]> git.bitcoin.ninja Git - ldk-java/commitdiff
[Java] Update auto-generated bindings with latest changes
authorMatt Corallo <git@bluematt.me>
Fri, 4 Mar 2022 06:47:46 +0000 (06:47 +0000)
committerMatt Corallo <git@bluematt.me>
Fri, 4 Mar 2022 06:48:23 +0000 (06:48 +0000)
src/main/jni/bindings.c
src/main/jni/bindings.c.body

index 129892124e9e2bd381389faf7a050e4f1ec289dd..930c0aa6c3f5496bc37182de37ee42cb0881174b 100644 (file)
@@ -918,7 +918,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommitmentSecretsDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ* owner_conv = (LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ*)(owner & ~1);
        LDKCounterpartyCommitmentSecrets ret_var = CResult_CounterpartyCommitmentSecretsDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -936,7 +936,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommitmentSecretsDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ* owner_conv = (LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_CounterpartyCommitmentSecretsDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -996,7 +996,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_TxCreationKeysDecodeErrorZ* owner_conv = (LDKCResult_TxCreationKeysDecodeErrorZ*)(owner & ~1);
        LDKTxCreationKeys ret_var = CResult_TxCreationKeysDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1014,7 +1014,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_TxCreationKeysDecodeErrorZ* owner_conv = (LDKCResult_TxCreationKeysDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_TxCreationKeysDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1032,7 +1032,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelPublicKeysDecodeErrorZ* owner_conv = (LDKCResult_ChannelPublicKeysDecodeErrorZ*)(owner & ~1);
        LDKChannelPublicKeys ret_var = CResult_ChannelPublicKeysDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1050,7 +1050,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelPublicKeysDecodeErrorZ* owner_conv = (LDKCResult_ChannelPublicKeysDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelPublicKeysDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1068,7 +1068,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_TxCreationKeysErrorZ* owner_conv = (LDKCResult_TxCreationKeysErrorZ*)(owner & ~1);
        LDKTxCreationKeys ret_var = CResult_TxCreationKeysErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1124,7 +1124,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommitmentDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_HTLCOutputInCommitmentDecodeErrorZ* owner_conv = (LDKCResult_HTLCOutputInCommitmentDecodeErrorZ*)(owner & ~1);
        LDKHTLCOutputInCommitment ret_var = CResult_HTLCOutputInCommitmentDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1142,7 +1142,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommitmentDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_HTLCOutputInCommitmentDecodeErrorZ* owner_conv = (LDKCResult_HTLCOutputInCommitmentDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_HTLCOutputInCommitmentDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1160,7 +1160,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChannelTransactionParametersDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ* owner_conv = (LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ*)(owner & ~1);
        LDKCounterpartyChannelTransactionParameters ret_var = CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1178,7 +1178,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChannelTransactionParametersDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ* owner_conv = (LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1196,7 +1196,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransactionParametersDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelTransactionParametersDecodeErrorZ* owner_conv = (LDKCResult_ChannelTransactionParametersDecodeErrorZ*)(owner & ~1);
        LDKChannelTransactionParameters ret_var = CResult_ChannelTransactionParametersDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1214,7 +1214,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransactionParametersDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelTransactionParametersDecodeErrorZ* owner_conv = (LDKCResult_ChannelTransactionParametersDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelTransactionParametersDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1232,7 +1232,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTransactionDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_HolderCommitmentTransactionDecodeErrorZ* owner_conv = (LDKCResult_HolderCommitmentTransactionDecodeErrorZ*)(owner & ~1);
        LDKHolderCommitmentTransaction ret_var = CResult_HolderCommitmentTransactionDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1250,7 +1250,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTransactionDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_HolderCommitmentTransactionDecodeErrorZ* owner_conv = (LDKCResult_HolderCommitmentTransactionDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_HolderCommitmentTransactionDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1268,7 +1268,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTransactionDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_BuiltCommitmentTransactionDecodeErrorZ* owner_conv = (LDKCResult_BuiltCommitmentTransactionDecodeErrorZ*)(owner & ~1);
        LDKBuiltCommitmentTransaction ret_var = CResult_BuiltCommitmentTransactionDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1286,7 +1286,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTransactionDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_BuiltCommitmentTransactionDecodeErrorZ* owner_conv = (LDKCResult_BuiltCommitmentTransactionDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_BuiltCommitmentTransactionDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1304,7 +1304,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedClosingTransactionNoneZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_TrustedClosingTransactionNoneZ* owner_conv = (LDKCResult_TrustedClosingTransactionNoneZ*)(owner & ~1);
        LDKTrustedClosingTransaction ret_var = *CResult_TrustedClosingTransactionNoneZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1328,7 +1328,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransactionDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CommitmentTransactionDecodeErrorZ* owner_conv = (LDKCResult_CommitmentTransactionDecodeErrorZ*)(owner & ~1);
        LDKCommitmentTransaction ret_var = CResult_CommitmentTransactionDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1346,7 +1346,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransactionDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CommitmentTransactionDecodeErrorZ* owner_conv = (LDKCResult_CommitmentTransactionDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_CommitmentTransactionDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1364,7 +1364,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedCommitmentTransactionNoneZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_TrustedCommitmentTransactionNoneZ* owner_conv = (LDKCResult_TrustedCommitmentTransactionNoneZ*)(owner & ~1);
        LDKTrustedCommitmentTransaction ret_var = *CResult_TrustedCommitmentTransactionNoneZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1416,7 +1416,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ShutdownScriptDecodeErrorZ* owner_conv = (LDKCResult_ShutdownScriptDecodeErrorZ*)(owner & ~1);
        LDKShutdownScript ret_var = CResult_ShutdownScriptDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1434,7 +1434,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ShutdownScriptDecodeErrorZ* owner_conv = (LDKCResult_ShutdownScriptDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ShutdownScriptDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1452,7 +1452,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* owner_conv = (LDKCResult_ShutdownScriptInvalidShutdownScriptZ*)(owner & ~1);
        LDKShutdownScript ret_var = CResult_ShutdownScriptInvalidShutdownScriptZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1470,7 +1470,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* owner_conv = (LDKCResult_ShutdownScriptInvalidShutdownScriptZ*)(owner & ~1);
        LDKInvalidShutdownScript ret_var = CResult_ShutdownScriptInvalidShutdownScriptZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1507,7 +1507,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteHopDecodeErrorZ* owner_conv = (LDKCResult_RouteHopDecodeErrorZ*)(owner & ~1);
        LDKRouteHop ret_var = CResult_RouteHopDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1525,7 +1525,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteHopDecodeErrorZ* owner_conv = (LDKCResult_RouteHopDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_RouteHopDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1557,7 +1557,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteDecodeErrorZ* owner_conv = (LDKCResult_RouteDecodeErrorZ*)(owner & ~1);
        LDKRoute ret_var = CResult_RouteDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1575,7 +1575,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteDecodeErrorZ* owner_conv = (LDKCResult_RouteDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_RouteDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1593,7 +1593,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteParametersDecodeErrorZ* owner_conv = (LDKCResult_RouteParametersDecodeErrorZ*)(owner & ~1);
        LDKRouteParameters ret_var = CResult_RouteParametersDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1611,7 +1611,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteParametersDecodeErrorZ* owner_conv = (LDKCResult_RouteParametersDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_RouteParametersDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1664,7 +1664,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PaymentParametersDecodeErrorZ* owner_conv = (LDKCResult_PaymentParametersDecodeErrorZ*)(owner & ~1);
        LDKPaymentParameters ret_var = CResult_PaymentParametersDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1682,7 +1682,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PaymentParametersDecodeErrorZ* owner_conv = (LDKCResult_PaymentParametersDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_PaymentParametersDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1707,7 +1707,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteHintDecodeErrorZ* owner_conv = (LDKCResult_RouteHintDecodeErrorZ*)(owner & ~1);
        LDKRouteHint ret_var = CResult_RouteHintDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1725,7 +1725,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteHintDecodeErrorZ* owner_conv = (LDKCResult_RouteHintDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_RouteHintDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1743,7 +1743,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteHintHopDecodeErrorZ* owner_conv = (LDKCResult_RouteHintHopDecodeErrorZ*)(owner & ~1);
        LDKRouteHintHop ret_var = CResult_RouteHintHopDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1761,7 +1761,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteHintHopDecodeErrorZ* owner_conv = (LDKCResult_RouteHintHopDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_RouteHintHopDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1786,7 +1786,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteLightningErrorZ* owner_conv = (LDKCResult_RouteLightningErrorZ*)(owner & ~1);
        LDKRoute ret_var = CResult_RouteLightningErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1804,7 +1804,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteLightningErrorZ* owner_conv = (LDKCResult_RouteLightningErrorZ*)(owner & ~1);
        LDKLightningError ret_var = CResult_RouteLightningErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1823,7 +1823,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_
        LDKCResult_TxOutAccessErrorZ* owner_conv = (LDKCResult_TxOutAccessErrorZ*)(owner & ~1);
        LDKTxOut* ret_ref = MALLOC(sizeof(LDKTxOut), "LDKTxOut");
        *ret_ref = CResult_TxOutAccessErrorZ_get_ok(owner_conv);
-       return (uintptr_t)ret_ref;
+       return (int64_t)ret_ref;
 }
 
 static inline enum LDKAccessError CResult_TxOutAccessErrorZ_get_err(LDKCResult_TxOutAccessErrorZ *NONNULL_PTR owner){
@@ -1839,9 +1839,9 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_1
 static inline uintptr_t C2Tuple_usizeTransactionZ_get_a(LDKC2Tuple_usizeTransactionZ *NONNULL_PTR owner){
        return owner->a;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_1get_1a(JNIEnv *env, jclass clz, int64_t owner) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_1get_1a(JNIEnv *env, jclass clz, int64_t owner) {
        LDKC2Tuple_usizeTransactionZ* owner_conv = (LDKC2Tuple_usizeTransactionZ*)(owner & ~1);
-       intptr_t ret_val = C2Tuple_usizeTransactionZ_get_a(owner_conv);
+       int64_t ret_val = C2Tuple_usizeTransactionZ_get_a(owner_conv);
        return ret_val;
 }
 
@@ -1924,7 +1924,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMonitorEvent_1ref_1from_
        switch(obj->tag) {
                case LDKMonitorEvent_HTLCEvent: {
                        LDKHTLCUpdate htlc_event_var = obj->htlc_event;
-                       uintptr_t htlc_event_ref = 0;
+                       int64_t htlc_event_ref = 0;
                        CHECK((((uintptr_t)htlc_event_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&htlc_event_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(htlc_event_var);
@@ -1933,7 +1933,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMonitorEvent_1ref_1from_
                }
                case LDKMonitorEvent_CommitmentTxConfirmed: {
                        LDKOutPoint commitment_tx_confirmed_var = obj->commitment_tx_confirmed;
-                       uintptr_t commitment_tx_confirmed_ref = 0;
+                       int64_t commitment_tx_confirmed_ref = 0;
                        CHECK((((uintptr_t)commitment_tx_confirmed_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&commitment_tx_confirmed_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(commitment_tx_confirmed_var);
@@ -1942,7 +1942,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMonitorEvent_1ref_1from_
                }
                case LDKMonitorEvent_UpdateCompleted: {
                        LDKOutPoint funding_txo_var = obj->update_completed.funding_txo;
-                       uintptr_t funding_txo_ref = 0;
+                       int64_t funding_txo_ref = 0;
                        CHECK((((uintptr_t)funding_txo_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&funding_txo_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(funding_txo_var);
@@ -1951,7 +1951,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMonitorEvent_1ref_1from_
                }
                case LDKMonitorEvent_UpdateFailed: {
                        LDKOutPoint update_failed_var = obj->update_failed;
-                       uintptr_t update_failed_ref = 0;
+                       int64_t update_failed_ref = 0;
                        CHECK((((uintptr_t)update_failed_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&update_failed_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(update_failed_var);
@@ -1991,7 +1991,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKCOption_1C2Tuple_1usizeT
                        LDKC2Tuple_usizeTransactionZ* some_conv = MALLOC(sizeof(LDKC2Tuple_usizeTransactionZ), "LDKC2Tuple_usizeTransactionZ");
                        *some_conv = obj->some;
                        *some_conv = C2Tuple_usizeTransactionZ_clone(some_conv);
-                       return (*env)->NewObject(env, LDKCOption_C2Tuple_usizeTransactionZZ_Some_class, LDKCOption_C2Tuple_usizeTransactionZZ_Some_meth, ((uintptr_t)some_conv));
+                       return (*env)->NewObject(env, LDKCOption_C2Tuple_usizeTransactionZZ_Some_class, LDKCOption_C2Tuple_usizeTransactionZZ_Some_meth, ((int64_t)some_conv));
                }
                case LDKCOption_C2Tuple_usizeTransactionZZ_None: {
                        return (*env)->NewObject(env, LDKCOption_C2Tuple_usizeTransactionZZ_None_class, LDKCOption_C2Tuple_usizeTransactionZZ_None_meth);
@@ -2111,7 +2111,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKCOption_1ClosureReasonZ_
        LDKCOption_ClosureReasonZ *obj = (LDKCOption_ClosureReasonZ*)(ptr & ~1);
        switch(obj->tag) {
                case LDKCOption_ClosureReasonZ_Some: {
-                       uintptr_t some_ref = ((uintptr_t)&obj->some) | 1;
+                       int64_t some_ref = ((uintptr_t)&obj->some) | 1;
                        return (*env)->NewObject(env, LDKCOption_ClosureReasonZ_Some_class, LDKCOption_ClosureReasonZ_Some_meth, some_ref);
                }
                case LDKCOption_ClosureReasonZ_None: {
@@ -2128,7 +2128,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureRe
        LDKCResult_COption_ClosureReasonZDecodeErrorZ* owner_conv = (LDKCResult_COption_ClosureReasonZDecodeErrorZ*)(owner & ~1);
        LDKCOption_ClosureReasonZ *ret_copy = MALLOC(sizeof(LDKCOption_ClosureReasonZ), "LDKCOption_ClosureReasonZ");
        *ret_copy = CResult_COption_ClosureReasonZDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -2139,7 +2139,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureReasonZDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_COption_ClosureReasonZDecodeErrorZ* owner_conv = (LDKCResult_COption_ClosureReasonZDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_COption_ClosureReasonZDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -2178,7 +2178,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKNetworkUpdate_1ref_1from
        switch(obj->tag) {
                case LDKNetworkUpdate_ChannelUpdateMessage: {
                        LDKChannelUpdate msg_var = obj->channel_update_message.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2216,7 +2216,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKCOption_1NetworkUpdateZ_
        LDKCOption_NetworkUpdateZ *obj = (LDKCOption_NetworkUpdateZ*)(ptr & ~1);
        switch(obj->tag) {
                case LDKCOption_NetworkUpdateZ_Some: {
-                       uintptr_t some_ref = ((uintptr_t)&obj->some) | 1;
+                       int64_t some_ref = ((uintptr_t)&obj->some) | 1;
                        return (*env)->NewObject(env, LDKCOption_NetworkUpdateZ_Some_class, LDKCOption_NetworkUpdateZ_Some_meth, some_ref);
                }
                case LDKCOption_NetworkUpdateZ_None: {
@@ -2253,17 +2253,17 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKSpendableOutputDescripto
        switch(obj->tag) {
                case LDKSpendableOutputDescriptor_StaticOutput: {
                        LDKOutPoint outpoint_var = obj->static_output.outpoint;
-                       uintptr_t outpoint_ref = 0;
+                       int64_t outpoint_ref = 0;
                        CHECK((((uintptr_t)outpoint_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&outpoint_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(outpoint_var);
                        outpoint_ref = (uintptr_t)outpoint_var.inner & ~1;
-                       uintptr_t output_ref = ((uintptr_t)&obj->static_output.output) | 1;
-                       return (*env)->NewObject(env, LDKSpendableOutputDescriptor_StaticOutput_class, LDKSpendableOutputDescriptor_StaticOutput_meth, outpoint_ref, (uintptr_t)output_ref);
+                       int64_t output_ref = ((uintptr_t)&obj->static_output.output) | 1;
+                       return (*env)->NewObject(env, LDKSpendableOutputDescriptor_StaticOutput_class, LDKSpendableOutputDescriptor_StaticOutput_meth, outpoint_ref, (int64_t)output_ref);
                }
                case LDKSpendableOutputDescriptor_DelayedPaymentOutput: {
                        LDKDelayedPaymentOutputDescriptor delayed_payment_output_var = obj->delayed_payment_output;
-                       uintptr_t delayed_payment_output_ref = 0;
+                       int64_t delayed_payment_output_ref = 0;
                        CHECK((((uintptr_t)delayed_payment_output_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&delayed_payment_output_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(delayed_payment_output_var);
@@ -2272,7 +2272,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKSpendableOutputDescripto
                }
                case LDKSpendableOutputDescriptor_StaticPaymentOutput: {
                        LDKStaticPaymentOutputDescriptor static_payment_output_var = obj->static_payment_output;
-                       uintptr_t static_payment_output_ref = 0;
+                       int64_t static_payment_output_ref = 0;
                        CHECK((((uintptr_t)static_payment_output_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&static_payment_output_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(static_payment_output_var);
@@ -2423,7 +2423,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKEvent_1ref_1from_1ptr(JN
                case LDKEvent_PaymentReceived: {
                        int8_tArray payment_hash_arr = (*env)->NewByteArray(env, 32);
                        (*env)->SetByteArrayRegion(env, payment_hash_arr, 0, 32, obj->payment_received.payment_hash.data);
-                       uintptr_t purpose_ref = ((uintptr_t)&obj->payment_received.purpose) | 1;
+                       int64_t purpose_ref = ((uintptr_t)&obj->payment_received.purpose) | 1;
                        return (*env)->NewObject(env, LDKEvent_PaymentReceived_class, LDKEvent_PaymentReceived_meth, payment_hash_arr, obj->payment_received.amt, purpose_ref);
                }
                case LDKEvent_PaymentSent: {
@@ -2433,7 +2433,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKEvent_1ref_1from_1ptr(JN
                        (*env)->SetByteArrayRegion(env, payment_preimage_arr, 0, 32, obj->payment_sent.payment_preimage.data);
                        int8_tArray payment_hash_arr = (*env)->NewByteArray(env, 32);
                        (*env)->SetByteArrayRegion(env, payment_hash_arr, 0, 32, obj->payment_sent.payment_hash.data);
-                       uintptr_t fee_paid_msat_ref = ((uintptr_t)&obj->payment_sent.fee_paid_msat) | 1;
+                       int64_t fee_paid_msat_ref = ((uintptr_t)&obj->payment_sent.fee_paid_msat) | 1;
                        return (*env)->NewObject(env, LDKEvent_PaymentSent_class, LDKEvent_PaymentSent_meth, payment_id_arr, payment_preimage_arr, payment_hash_arr, fee_paid_msat_ref);
                }
                case LDKEvent_PaymentPathFailed: {
@@ -2441,14 +2441,14 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKEvent_1ref_1from_1ptr(JN
                        (*env)->SetByteArrayRegion(env, payment_id_arr, 0, 32, obj->payment_path_failed.payment_id.data);
                        int8_tArray payment_hash_arr = (*env)->NewByteArray(env, 32);
                        (*env)->SetByteArrayRegion(env, payment_hash_arr, 0, 32, obj->payment_path_failed.payment_hash.data);
-                       uintptr_t network_update_ref = ((uintptr_t)&obj->payment_path_failed.network_update) | 1;
+                       int64_t network_update_ref = ((uintptr_t)&obj->payment_path_failed.network_update) | 1;
                        LDKCVec_RouteHopZ path_var = obj->payment_path_failed.path;
                        int64_tArray path_arr = NULL;
                        path_arr = (*env)->NewLongArray(env, path_var.datalen);
                        int64_t *path_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, path_arr, NULL);
                        for (size_t k = 0; k < path_var.datalen; k++) {
                                LDKRouteHop path_conv_10_var = path_var.data[k];
-                               uintptr_t path_conv_10_ref = 0;
+                               int64_t path_conv_10_ref = 0;
                                CHECK((((uintptr_t)path_conv_10_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                                CHECK((((uintptr_t)&path_conv_10_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                                CHECK_INNER_FIELD_ACCESS_OR_NULL(path_conv_10_var);
@@ -2456,9 +2456,9 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKEvent_1ref_1from_1ptr(JN
                                path_arr_ptr[k] = path_conv_10_ref;
                        }
                        (*env)->ReleasePrimitiveArrayCritical(env, path_arr, path_arr_ptr, 0);
-                       uintptr_t short_channel_id_ref = ((uintptr_t)&obj->payment_path_failed.short_channel_id) | 1;
+                       int64_t short_channel_id_ref = ((uintptr_t)&obj->payment_path_failed.short_channel_id) | 1;
                        LDKRouteParameters retry_var = obj->payment_path_failed.retry;
-                       uintptr_t retry_ref = 0;
+                       int64_t retry_ref = 0;
                        if ((uintptr_t)retry_var.inner > 4096) {
                                CHECK((((uintptr_t)retry_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                                CHECK((((uintptr_t)&retry_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -2483,20 +2483,20 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKEvent_1ref_1from_1ptr(JN
                        outputs_arr = (*env)->NewLongArray(env, outputs_var.datalen);
                        int64_t *outputs_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, outputs_arr, NULL);
                        for (size_t b = 0; b < outputs_var.datalen; b++) {
-                               uintptr_t outputs_conv_27_ref = ((uintptr_t)&outputs_var.data[b]) | 1;
+                               int64_t outputs_conv_27_ref = ((uintptr_t)&outputs_var.data[b]) | 1;
                                outputs_arr_ptr[b] = outputs_conv_27_ref;
                        }
                        (*env)->ReleasePrimitiveArrayCritical(env, outputs_arr, outputs_arr_ptr, 0);
                        return (*env)->NewObject(env, LDKEvent_SpendableOutputs_class, LDKEvent_SpendableOutputs_meth, outputs_arr);
                }
                case LDKEvent_PaymentForwarded: {
-                       uintptr_t fee_earned_msat_ref = ((uintptr_t)&obj->payment_forwarded.fee_earned_msat) | 1;
+                       int64_t fee_earned_msat_ref = ((uintptr_t)&obj->payment_forwarded.fee_earned_msat) | 1;
                        return (*env)->NewObject(env, LDKEvent_PaymentForwarded_class, LDKEvent_PaymentForwarded_meth, fee_earned_msat_ref, obj->payment_forwarded.claim_from_onchain_tx);
                }
                case LDKEvent_ChannelClosed: {
                        int8_tArray channel_id_arr = (*env)->NewByteArray(env, 32);
                        (*env)->SetByteArrayRegion(env, channel_id_arr, 0, 32, obj->channel_closed.channel_id.data);
-                       uintptr_t reason_ref = ((uintptr_t)&obj->channel_closed.reason) | 1;
+                       int64_t reason_ref = ((uintptr_t)&obj->channel_closed.reason) | 1;
                        return (*env)->NewObject(env, LDKEvent_ChannelClosed_class, LDKEvent_ChannelClosed_meth, channel_id_arr, obj->channel_closed.user_channel_id, reason_ref);
                }
                case LDKEvent_DiscardFunding: {
@@ -2518,7 +2518,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKEvent_1ref_1from_1ptr(JN
                        int64_t *path_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, path_arr, NULL);
                        for (size_t k = 0; k < path_var.datalen; k++) {
                                LDKRouteHop path_conv_10_var = path_var.data[k];
-                               uintptr_t path_conv_10_ref = 0;
+                               int64_t path_conv_10_ref = 0;
                                CHECK((((uintptr_t)path_conv_10_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                                CHECK((((uintptr_t)&path_conv_10_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                                CHECK_INNER_FIELD_ACCESS_OR_NULL(path_conv_10_var);
@@ -2558,7 +2558,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKCOption_1EventZ_1ref_1fr
        LDKCOption_EventZ *obj = (LDKCOption_EventZ*)(ptr & ~1);
        switch(obj->tag) {
                case LDKCOption_EventZ_Some: {
-                       uintptr_t some_ref = ((uintptr_t)&obj->some) | 1;
+                       int64_t some_ref = ((uintptr_t)&obj->some) | 1;
                        return (*env)->NewObject(env, LDKCOption_EventZ_Some_class, LDKCOption_EventZ_Some_meth, some_ref);
                }
                case LDKCOption_EventZ_None: {
@@ -2575,7 +2575,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDec
        LDKCResult_COption_EventZDecodeErrorZ* owner_conv = (LDKCResult_COption_EventZDecodeErrorZ*)(owner & ~1);
        LDKCOption_EventZ *ret_copy = MALLOC(sizeof(LDKCOption_EventZ), "LDKCOption_EventZ");
        *ret_copy = CResult_COption_EventZDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -2586,7 +2586,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_COption_EventZDecodeErrorZ* owner_conv = (LDKCResult_COption_EventZDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_COption_EventZDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -2646,7 +2646,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKErrorAction_1ref_1from_1
        switch(obj->tag) {
                case LDKErrorAction_DisconnectPeer: {
                        LDKErrorMessage msg_var = obj->disconnect_peer.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        if ((uintptr_t)msg_var.inner > 4096) {
                                CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                                CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -2667,7 +2667,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKErrorAction_1ref_1from_1
                }
                case LDKErrorAction_SendErrorMessage: {
                        LDKErrorMessage msg_var = obj->send_error_message.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2676,7 +2676,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKErrorAction_1ref_1from_1
                }
                case LDKErrorAction_SendWarningMessage: {
                        LDKWarningMessage msg_var = obj->send_warning_message.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2829,7 +2829,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_accept_channel.node_id.compressed_form);
                        LDKAcceptChannel msg_var = obj->send_accept_channel.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2840,7 +2840,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_open_channel.node_id.compressed_form);
                        LDKOpenChannel msg_var = obj->send_open_channel.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2851,7 +2851,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_funding_created.node_id.compressed_form);
                        LDKFundingCreated msg_var = obj->send_funding_created.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2862,7 +2862,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_funding_signed.node_id.compressed_form);
                        LDKFundingSigned msg_var = obj->send_funding_signed.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2873,7 +2873,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_funding_locked.node_id.compressed_form);
                        LDKFundingLocked msg_var = obj->send_funding_locked.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2884,7 +2884,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_announcement_signatures.node_id.compressed_form);
                        LDKAnnouncementSignatures msg_var = obj->send_announcement_signatures.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2895,7 +2895,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->update_htl_cs.node_id.compressed_form);
                        LDKCommitmentUpdate updates_var = obj->update_htl_cs.updates;
-                       uintptr_t updates_ref = 0;
+                       int64_t updates_ref = 0;
                        CHECK((((uintptr_t)updates_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&updates_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(updates_var);
@@ -2906,7 +2906,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_revoke_and_ack.node_id.compressed_form);
                        LDKRevokeAndACK msg_var = obj->send_revoke_and_ack.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2917,7 +2917,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_closing_signed.node_id.compressed_form);
                        LDKClosingSigned msg_var = obj->send_closing_signed.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2928,7 +2928,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_shutdown.node_id.compressed_form);
                        LDKShutdown msg_var = obj->send_shutdown.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2939,7 +2939,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_channel_reestablish.node_id.compressed_form);
                        LDKChannelReestablish msg_var = obj->send_channel_reestablish.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2948,13 +2948,13 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                }
                case LDKMessageSendEvent_BroadcastChannelAnnouncement: {
                        LDKChannelAnnouncement msg_var = obj->broadcast_channel_announcement.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
                        msg_ref = (uintptr_t)msg_var.inner & ~1;
                        LDKChannelUpdate update_msg_var = obj->broadcast_channel_announcement.update_msg;
-                       uintptr_t update_msg_ref = 0;
+                       int64_t update_msg_ref = 0;
                        CHECK((((uintptr_t)update_msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&update_msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(update_msg_var);
@@ -2963,7 +2963,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                }
                case LDKMessageSendEvent_BroadcastNodeAnnouncement: {
                        LDKNodeAnnouncement msg_var = obj->broadcast_node_announcement.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2972,7 +2972,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                }
                case LDKMessageSendEvent_BroadcastChannelUpdate: {
                        LDKChannelUpdate msg_var = obj->broadcast_channel_update.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2983,7 +2983,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_channel_update.node_id.compressed_form);
                        LDKChannelUpdate msg_var = obj->send_channel_update.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2993,14 +2993,14 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                case LDKMessageSendEvent_HandleError: {
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->handle_error.node_id.compressed_form);
-                       uintptr_t action_ref = ((uintptr_t)&obj->handle_error.action) | 1;
+                       int64_t action_ref = ((uintptr_t)&obj->handle_error.action) | 1;
                        return (*env)->NewObject(env, LDKMessageSendEvent_HandleError_class, LDKMessageSendEvent_HandleError_meth, node_id_arr, action_ref);
                }
                case LDKMessageSendEvent_SendChannelRangeQuery: {
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_channel_range_query.node_id.compressed_form);
                        LDKQueryChannelRange msg_var = obj->send_channel_range_query.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -3011,7 +3011,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_short_ids_query.node_id.compressed_form);
                        LDKQueryShortChannelIds msg_var = obj->send_short_ids_query.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -3022,7 +3022,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_reply_channel_range.node_id.compressed_form);
                        LDKReplyChannelRange msg_var = obj->send_reply_channel_range.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -3046,7 +3046,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorerDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_FixedPenaltyScorerDecodeErrorZ* owner_conv = (LDKCResult_FixedPenaltyScorerDecodeErrorZ*)(owner & ~1);
        LDKFixedPenaltyScorer ret_var = CResult_FixedPenaltyScorerDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3064,7 +3064,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorerDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_FixedPenaltyScorerDecodeErrorZ* owner_conv = (LDKCResult_FixedPenaltyScorerDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_FixedPenaltyScorerDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3082,7 +3082,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ScoringParametersDecodeErrorZ* owner_conv = (LDKCResult_ScoringParametersDecodeErrorZ*)(owner & ~1);
        LDKScoringParameters ret_var = CResult_ScoringParametersDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3100,7 +3100,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ScoringParametersDecodeErrorZ* owner_conv = (LDKCResult_ScoringParametersDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ScoringParametersDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3118,7 +3118,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScorerDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ScorerDecodeErrorZ* owner_conv = (LDKCResult_ScorerDecodeErrorZ*)(owner & ~1);
        LDKScorer ret_var = *CResult_ScorerDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3133,7 +3133,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScorerDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ScorerDecodeErrorZ* owner_conv = (LDKCResult_ScorerDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ScorerDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3151,7 +3151,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScoringParametersDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ProbabilisticScoringParametersDecodeErrorZ* owner_conv = (LDKCResult_ProbabilisticScoringParametersDecodeErrorZ*)(owner & ~1);
        LDKProbabilisticScoringParameters ret_var = CResult_ProbabilisticScoringParametersDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3169,7 +3169,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScoringParametersDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ProbabilisticScoringParametersDecodeErrorZ* owner_conv = (LDKCResult_ProbabilisticScoringParametersDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ProbabilisticScoringParametersDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3187,7 +3187,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitFeaturesDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InitFeaturesDecodeErrorZ* owner_conv = (LDKCResult_InitFeaturesDecodeErrorZ*)(owner & ~1);
        LDKInitFeatures ret_var = CResult_InitFeaturesDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3205,7 +3205,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitFeaturesDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InitFeaturesDecodeErrorZ* owner_conv = (LDKCResult_InitFeaturesDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_InitFeaturesDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3223,7 +3223,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelFeaturesDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelFeaturesDecodeErrorZ* owner_conv = (LDKCResult_ChannelFeaturesDecodeErrorZ*)(owner & ~1);
        LDKChannelFeatures ret_var = CResult_ChannelFeaturesDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3241,7 +3241,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelFeaturesDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelFeaturesDecodeErrorZ* owner_conv = (LDKCResult_ChannelFeaturesDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelFeaturesDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3259,7 +3259,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeFeaturesDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeFeaturesDecodeErrorZ* owner_conv = (LDKCResult_NodeFeaturesDecodeErrorZ*)(owner & ~1);
        LDKNodeFeatures ret_var = CResult_NodeFeaturesDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3277,7 +3277,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeFeaturesDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeFeaturesDecodeErrorZ* owner_conv = (LDKCResult_NodeFeaturesDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_NodeFeaturesDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3295,7 +3295,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceFeaturesDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InvoiceFeaturesDecodeErrorZ* owner_conv = (LDKCResult_InvoiceFeaturesDecodeErrorZ*)(owner & ~1);
        LDKInvoiceFeatures ret_var = CResult_InvoiceFeaturesDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3313,7 +3313,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceFeaturesDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InvoiceFeaturesDecodeErrorZ* owner_conv = (LDKCResult_InvoiceFeaturesDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_InvoiceFeaturesDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3331,7 +3331,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTypeFeaturesDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelTypeFeaturesDecodeErrorZ* owner_conv = (LDKCResult_ChannelTypeFeaturesDecodeErrorZ*)(owner & ~1);
        LDKChannelTypeFeatures ret_var = CResult_ChannelTypeFeaturesDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3349,7 +3349,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTypeFeaturesDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelTypeFeaturesDecodeErrorZ* owner_conv = (LDKCResult_ChannelTypeFeaturesDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelTypeFeaturesDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3367,7 +3367,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutputDescriptorDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ* owner_conv = (LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ*)(owner & ~1);
        LDKDelayedPaymentOutputDescriptor ret_var = CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3385,7 +3385,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutputDescriptorDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ* owner_conv = (LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3403,7 +3403,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutputDescriptorDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ* owner_conv = (LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ*)(owner & ~1);
        LDKStaticPaymentOutputDescriptor ret_var = CResult_StaticPaymentOutputDescriptorDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3421,7 +3421,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutputDescriptorDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ* owner_conv = (LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_StaticPaymentOutputDescriptorDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3440,7 +3440,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDes
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* owner_conv = (LDKCResult_SpendableOutputDescriptorDecodeErrorZ*)(owner & ~1);
        LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
        *ret_copy = CResult_SpendableOutputDescriptorDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -3451,7 +3451,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDescriptorDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* owner_conv = (LDKCResult_SpendableOutputDescriptorDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_SpendableOutputDescriptorDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3505,7 +3505,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1Signature
        LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ* owner_conv = (LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(owner & ~1);
        LDKC2Tuple_SignatureCVec_SignatureZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_SignatureCVec_SignatureZZ), "LDKC2Tuple_SignatureCVec_SignatureZZ");
        *ret_conv = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_get_ok(owner_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 static inline void CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_get_err(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ *NONNULL_PTR owner){
@@ -3565,7 +3565,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1Signature
        LDKCResult_C2Tuple_SignatureSignatureZNoneZ* owner_conv = (LDKCResult_C2Tuple_SignatureSignatureZNoneZ*)(owner & ~1);
        LDKC2Tuple_SignatureSignatureZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_SignatureSignatureZ), "LDKC2Tuple_SignatureSignatureZ");
        *ret_conv = CResult_C2Tuple_SignatureSignatureZNoneZ_get_ok(owner_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 static inline void CResult_C2Tuple_SignatureSignatureZNoneZ_get_err(LDKCResult_C2Tuple_SignatureSignatureZNoneZ *NONNULL_PTR owner){
@@ -3690,7 +3690,7 @@ LDKCResult_NoneNoneZ validate_holder_commitment_LDKBaseSign_jcall(const void* th
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKHolderCommitmentTransaction holder_tx_var = *holder_tx;
-       uintptr_t holder_tx_ref = 0;
+       int64_t holder_tx_ref = 0;
        holder_tx_var = HolderCommitmentTransaction_clone(holder_tx);
        CHECK((((uintptr_t)holder_tx_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&holder_tx_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -3760,7 +3760,7 @@ LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_counterparty_commitment_L
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKCommitmentTransaction commitment_tx_var = *commitment_tx;
-       uintptr_t commitment_tx_ref = 0;
+       int64_t commitment_tx_ref = 0;
        commitment_tx_var = CommitmentTransaction_clone(commitment_tx);
        CHECK((((uintptr_t)commitment_tx_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&commitment_tx_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -3833,7 +3833,7 @@ LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_holder_commitment_and_htl
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKHolderCommitmentTransaction commitment_tx_var = *commitment_tx;
-       uintptr_t commitment_tx_ref = 0;
+       int64_t commitment_tx_ref = 0;
        commitment_tx_var = HolderCommitmentTransaction_clone(commitment_tx);
        CHECK((((uintptr_t)commitment_tx_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&commitment_tx_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -3905,7 +3905,7 @@ LDKCResult_SignatureNoneZ sign_justice_revoked_htlc_LDKBaseSign_jcall(const void
        int8_tArray per_commitment_key_arr = (*env)->NewByteArray(env, 32);
        (*env)->SetByteArrayRegion(env, per_commitment_key_arr, 0, 32, *per_commitment_key);
        LDKHTLCOutputInCommitment htlc_var = *htlc;
-       uintptr_t htlc_ref = 0;
+       int64_t htlc_ref = 0;
        htlc_var = HTLCOutputInCommitment_clone(htlc);
        CHECK((((uintptr_t)htlc_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&htlc_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -3946,7 +3946,7 @@ LDKCResult_SignatureNoneZ sign_counterparty_htlc_transaction_LDKBaseSign_jcall(c
        int8_tArray per_commitment_point_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, per_commitment_point_arr, 0, 33, per_commitment_point.compressed_form);
        LDKHTLCOutputInCommitment htlc_var = *htlc;
-       uintptr_t htlc_ref = 0;
+       int64_t htlc_ref = 0;
        htlc_var = HTLCOutputInCommitment_clone(htlc);
        CHECK((((uintptr_t)htlc_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&htlc_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -3981,7 +3981,7 @@ LDKCResult_SignatureNoneZ sign_closing_transaction_LDKBaseSign_jcall(const void*
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKClosingTransaction closing_tx_var = *closing_tx;
-       uintptr_t closing_tx_ref = 0;
+       int64_t closing_tx_ref = 0;
        closing_tx_var = ClosingTransaction_clone(closing_tx);
        CHECK((((uintptr_t)closing_tx_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&closing_tx_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -4016,7 +4016,7 @@ LDKCResult_C2Tuple_SignatureSignatureZNoneZ sign_channel_announcement_LDKBaseSig
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKUnsignedChannelAnnouncement msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = UnsignedChannelAnnouncement_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -4051,7 +4051,7 @@ void ready_channel_LDKBaseSign_jcall(void* this_arg, const LDKChannelTransaction
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKChannelTransactionParameters channel_parameters_var = *channel_parameters;
-       uintptr_t channel_parameters_ref = 0;
+       int64_t channel_parameters_ref = 0;
        channel_parameters_var = ChannelTransactionParameters_clone(channel_parameters);
        CHECK((((uintptr_t)channel_parameters_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&channel_parameters_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -4177,7 +4177,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1validate_1holder_
        }
        LDKCResult_NoneNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneNoneZ), "LDKCResult_NoneNoneZ");
        *ret_conv = (this_arg_conv->validate_holder_commitment)(this_arg_conv->this_arg, &holder_tx_conv, preimages_constr);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_BaseSign_1channel_1keys_1id(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -4212,7 +4212,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1counterpart
        }
        LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ), "LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ");
        *ret_conv = (this_arg_conv->sign_counterparty_commitment)(this_arg_conv->this_arg, &commitment_tx_conv, preimages_constr);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1validate_1counterparty_1revocation(JNIEnv *env, jclass clz, int64_t this_arg, int64_t idx, int8_tArray secret) {
@@ -4225,7 +4225,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1validate_1counter
        unsigned char (*secret_ref)[32] = &secret_arr;
        LDKCResult_NoneNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneNoneZ), "LDKCResult_NoneNoneZ");
        *ret_conv = (this_arg_conv->validate_counterparty_revocation)(this_arg_conv->this_arg, idx, secret_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1holder_1commitment_1and_1htlcs(JNIEnv *env, jclass clz, int64_t this_arg, int64_t commitment_tx) {
@@ -4238,10 +4238,10 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1holder_1com
        CHECK_INNER_FIELD_ACCESS_OR_NULL(commitment_tx_conv);
        LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ), "LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ");
        *ret_conv = (this_arg_conv->sign_holder_commitment_and_htlcs)(this_arg_conv->this_arg, &commitment_tx_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1justice_1revoked_1output(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray justice_tx, intptr_t input, int64_t amount, int8_tArray per_commitment_key) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1justice_1revoked_1output(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray justice_tx, int64_t input, int64_t amount, int8_tArray per_commitment_key) {
        void* this_arg_ptr = (void*)(((uintptr_t)this_arg) & ~1);
        if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
        LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
@@ -4256,10 +4256,10 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1justice_1re
        unsigned char (*per_commitment_key_ref)[32] = &per_commitment_key_arr;
        LDKCResult_SignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignatureNoneZ), "LDKCResult_SignatureNoneZ");
        *ret_conv = (this_arg_conv->sign_justice_revoked_output)(this_arg_conv->this_arg, justice_tx_ref, input, amount, per_commitment_key_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1justice_1revoked_1htlc(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray justice_tx, intptr_t input, int64_t amount, int8_tArray per_commitment_key, int64_t htlc) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1justice_1revoked_1htlc(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray justice_tx, int64_t input, int64_t amount, int8_tArray per_commitment_key, int64_t htlc) {
        void* this_arg_ptr = (void*)(((uintptr_t)this_arg) & ~1);
        if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
        LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
@@ -4278,10 +4278,10 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1justice_1re
        CHECK_INNER_FIELD_ACCESS_OR_NULL(htlc_conv);
        LDKCResult_SignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignatureNoneZ), "LDKCResult_SignatureNoneZ");
        *ret_conv = (this_arg_conv->sign_justice_revoked_htlc)(this_arg_conv->this_arg, justice_tx_ref, input, amount, per_commitment_key_ref, &htlc_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1counterparty_1htlc_1transaction(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray htlc_tx, intptr_t input, int64_t amount, int8_tArray per_commitment_point, int64_t htlc) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1counterparty_1htlc_1transaction(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray htlc_tx, int64_t input, int64_t amount, int8_tArray per_commitment_point, int64_t htlc) {
        void* this_arg_ptr = (void*)(((uintptr_t)this_arg) & ~1);
        if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
        LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
@@ -4299,7 +4299,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1counterpart
        CHECK_INNER_FIELD_ACCESS_OR_NULL(htlc_conv);
        LDKCResult_SignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignatureNoneZ), "LDKCResult_SignatureNoneZ");
        *ret_conv = (this_arg_conv->sign_counterparty_htlc_transaction)(this_arg_conv->this_arg, htlc_tx_ref, input, amount, per_commitment_point_ref, &htlc_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1closing_1transaction(JNIEnv *env, jclass clz, int64_t this_arg, int64_t closing_tx) {
@@ -4312,7 +4312,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1closing_1tr
        CHECK_INNER_FIELD_ACCESS_OR_NULL(closing_tx_conv);
        LDKCResult_SignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignatureNoneZ), "LDKCResult_SignatureNoneZ");
        *ret_conv = (this_arg_conv->sign_closing_transaction)(this_arg_conv->this_arg, &closing_tx_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1channel_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
@@ -4325,7 +4325,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1channel_1an
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_conv);
        LDKCResult_C2Tuple_SignatureSignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureSignatureZNoneZ), "LDKCResult_C2Tuple_SignatureSignatureZNoneZ");
        *ret_conv = (this_arg_conv->sign_channel_announcement)(this_arg_conv->this_arg, &msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BaseSign_1ready_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int64_t channel_parameters) {
@@ -4349,7 +4349,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1get_1pubkeys(JNIE
        if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
        LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKChannelPublicKeys ret_var = LDKBaseSign_set_get_pubkeys(this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -4469,7 +4469,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1
        LDKCResult_SignDecodeErrorZ* owner_conv = (LDKCResult_SignDecodeErrorZ*)(owner & ~1);
        LDKSign* ret_ret = MALLOC(sizeof(LDKSign), "LDKSign");
        *ret_ret = CResult_SignDecodeErrorZ_get_ok(owner_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 static inline struct LDKDecodeError CResult_SignDecodeErrorZ_get_err(LDKCResult_SignDecodeErrorZ *NONNULL_PTR owner){
@@ -4479,7 +4479,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_SignDecodeErrorZ* owner_conv = (LDKCResult_SignDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_SignDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -4555,7 +4555,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InMemorySignerDecodeErrorZ* owner_conv = (LDKCResult_InMemorySignerDecodeErrorZ*)(owner & ~1);
        LDKInMemorySigner ret_var = CResult_InMemorySignerDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -4573,7 +4573,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InMemorySignerDecodeErrorZ* owner_conv = (LDKCResult_InMemorySignerDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_InMemorySignerDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -4628,7 +4628,7 @@ static inline struct LDKChannelMonitor C2Tuple_BlockHashChannelMonitorZ_get_b(LD
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMonitorZ_1get_1b(JNIEnv *env, jclass clz, int64_t owner) {
        LDKC2Tuple_BlockHashChannelMonitorZ* owner_conv = (LDKC2Tuple_BlockHashChannelMonitorZ*)(owner & ~1);
        LDKChannelMonitor ret_var = C2Tuple_BlockHashChannelMonitorZ_get_b(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -4659,7 +4659,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple
        for (size_t j = 0; j < ret_var.datalen; j++) {
                LDKC2Tuple_BlockHashChannelMonitorZ* ret_conv_35_conv = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelMonitorZ), "LDKC2Tuple_BlockHashChannelMonitorZ");
                *ret_conv_35_conv = ret_var.data[j];
-               ret_arr_ptr[j] = ((uintptr_t)ret_conv_35_conv);
+               ret_arr_ptr[j] = ((int64_t)ret_conv_35_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
        FREE(ret_var.data);
@@ -4776,7 +4776,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKAPIError_1ref_1from_1ptr
                }
                case LDKAPIError_IncompatibleShutdownScript: {
                        LDKShutdownScript script_var = obj->incompatible_shutdown_script.script;
-                       uintptr_t script_ref = 0;
+                       int64_t script_ref = 0;
                        CHECK((((uintptr_t)script_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&script_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(script_var);
@@ -4803,7 +4803,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1get
        LDKCResult_NoneAPIErrorZ* owner_conv = (LDKCResult_NoneAPIErrorZ*)(owner & ~1);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = CResult_NoneAPIErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -4840,7 +4840,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1g
        LDKCResult__u832APIErrorZ* owner_conv = (LDKCResult__u832APIErrorZ*)(owner & ~1);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = CResult__u832APIErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -4878,7 +4878,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKPaymentSendFailure_1ref_
        LDKPaymentSendFailure *obj = (LDKPaymentSendFailure*)(ptr & ~1);
        switch(obj->tag) {
                case LDKPaymentSendFailure_ParameterError: {
-                       uintptr_t parameter_error_ref = ((uintptr_t)&obj->parameter_error) | 1;
+                       int64_t parameter_error_ref = ((uintptr_t)&obj->parameter_error) | 1;
                        return (*env)->NewObject(env, LDKPaymentSendFailure_ParameterError_class, LDKPaymentSendFailure_ParameterError_meth, parameter_error_ref);
                }
                case LDKPaymentSendFailure_PathParameterError: {
@@ -4890,7 +4890,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKPaymentSendFailure_1ref_
                                LDKCResult_NoneAPIErrorZ* path_parameter_error_conv_22_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
                                *path_parameter_error_conv_22_conv = path_parameter_error_var.data[w];
                                *path_parameter_error_conv_22_conv = CResult_NoneAPIErrorZ_clone(path_parameter_error_conv_22_conv);
-                               path_parameter_error_arr_ptr[w] = (uintptr_t)path_parameter_error_conv_22_conv;
+                               path_parameter_error_arr_ptr[w] = (int64_t)path_parameter_error_conv_22_conv;
                        }
                        (*env)->ReleasePrimitiveArrayCritical(env, path_parameter_error_arr, path_parameter_error_arr_ptr, 0);
                        return (*env)->NewObject(env, LDKPaymentSendFailure_PathParameterError_class, LDKPaymentSendFailure_PathParameterError_meth, path_parameter_error_arr);
@@ -4901,7 +4901,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKPaymentSendFailure_1ref_
                        all_failed_retry_safe_arr = (*env)->NewLongArray(env, all_failed_retry_safe_var.datalen);
                        int64_t *all_failed_retry_safe_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, all_failed_retry_safe_arr, NULL);
                        for (size_t k = 0; k < all_failed_retry_safe_var.datalen; k++) {
-                               uintptr_t all_failed_retry_safe_conv_10_ref = ((uintptr_t)&all_failed_retry_safe_var.data[k]) | 1;
+                               int64_t all_failed_retry_safe_conv_10_ref = ((uintptr_t)&all_failed_retry_safe_var.data[k]) | 1;
                                all_failed_retry_safe_arr_ptr[k] = all_failed_retry_safe_conv_10_ref;
                        }
                        (*env)->ReleasePrimitiveArrayCritical(env, all_failed_retry_safe_arr, all_failed_retry_safe_arr_ptr, 0);
@@ -4916,11 +4916,11 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKPaymentSendFailure_1ref_
                                LDKCResult_NoneAPIErrorZ* results_conv_22_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
                                *results_conv_22_conv = results_var.data[w];
                                *results_conv_22_conv = CResult_NoneAPIErrorZ_clone(results_conv_22_conv);
-                               results_arr_ptr[w] = (uintptr_t)results_conv_22_conv;
+                               results_arr_ptr[w] = (int64_t)results_conv_22_conv;
                        }
                        (*env)->ReleasePrimitiveArrayCritical(env, results_arr, results_arr_ptr, 0);
                        LDKRouteParameters failed_paths_retry_var = obj->partial_failure.failed_paths_retry;
-                       uintptr_t failed_paths_retry_ref = 0;
+                       int64_t failed_paths_retry_ref = 0;
                        if ((uintptr_t)failed_paths_retry_var.inner > 4096) {
                                CHECK((((uintptr_t)failed_paths_retry_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                                CHECK((((uintptr_t)&failed_paths_retry_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -4953,7 +4953,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSe
        LDKCResult_PaymentIdPaymentSendFailureZ* owner_conv = (LDKCResult_PaymentIdPaymentSendFailureZ*)(owner & ~1);
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = CResult_PaymentIdPaymentSendFailureZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -4974,7 +4974,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFai
        LDKCResult_NonePaymentSendFailureZ* owner_conv = (LDKCResult_NonePaymentSendFailureZ*)(owner & ~1);
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = CResult_NonePaymentSendFailureZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -5006,7 +5006,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* owner_conv = (LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ*)(owner & ~1);
        LDKC2Tuple_PaymentHashPaymentIdZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentIdZ), "LDKC2Tuple_PaymentHashPaymentIdZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_get_ok(owner_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 static inline struct LDKPaymentSendFailure CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_get_err(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ *NONNULL_PTR owner){
@@ -5017,7 +5017,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* owner_conv = (LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ*)(owner & ~1);
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -5112,7 +5112,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ* owner_conv = (LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ*)(owner & ~1);
        LDKC2Tuple_PaymentHashPaymentSecretZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentSecretZ), "LDKC2Tuple_PaymentHashPaymentSecretZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_get_ok(owner_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 static inline void CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_get_err(LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ *NONNULL_PTR owner){
@@ -5132,7 +5132,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ* owner_conv = (LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ*)(owner & ~1);
        LDKC2Tuple_PaymentHashPaymentSecretZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentSecretZ), "LDKC2Tuple_PaymentHashPaymentSecretZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_get_ok(owner_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 static inline struct LDKAPIError CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_get_err(LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ *NONNULL_PTR owner){
@@ -5143,7 +5143,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ* owner_conv = (LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ*)(owner & ~1);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -5186,7 +5186,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIEr
        LDKCResult_PaymentSecretAPIErrorZ* owner_conv = (LDKCResult_PaymentSecretAPIErrorZ*)(owner & ~1);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = CResult_PaymentSecretAPIErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -5209,7 +5209,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPI
        LDKCResult_PaymentPreimageAPIErrorZ* owner_conv = (LDKCResult_PaymentPreimageAPIErrorZ*)(owner & ~1);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = CResult_PaymentPreimageAPIErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -5220,7 +5220,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwardingInfoDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CounterpartyForwardingInfoDecodeErrorZ* owner_conv = (LDKCResult_CounterpartyForwardingInfoDecodeErrorZ*)(owner & ~1);
        LDKCounterpartyForwardingInfo ret_var = CResult_CounterpartyForwardingInfoDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -5238,7 +5238,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwardingInfoDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CounterpartyForwardingInfoDecodeErrorZ* owner_conv = (LDKCResult_CounterpartyForwardingInfoDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_CounterpartyForwardingInfoDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -5256,7 +5256,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpartyDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelCounterpartyDecodeErrorZ* owner_conv = (LDKCResult_ChannelCounterpartyDecodeErrorZ*)(owner & ~1);
        LDKChannelCounterparty ret_var = CResult_ChannelCounterpartyDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -5274,7 +5274,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpartyDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelCounterpartyDecodeErrorZ* owner_conv = (LDKCResult_ChannelCounterpartyDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelCounterpartyDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -5292,7 +5292,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelDetailsDecodeErrorZ* owner_conv = (LDKCResult_ChannelDetailsDecodeErrorZ*)(owner & ~1);
        LDKChannelDetails ret_var = CResult_ChannelDetailsDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -5310,7 +5310,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelDetailsDecodeErrorZ* owner_conv = (LDKCResult_ChannelDetailsDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelDetailsDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -5328,7 +5328,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PhantomRouteHintsDecodeErrorZ* owner_conv = (LDKCResult_PhantomRouteHintsDecodeErrorZ*)(owner & ~1);
        LDKPhantomRouteHints ret_var = CResult_PhantomRouteHintsDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -5346,7 +5346,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PhantomRouteHintsDecodeErrorZ* owner_conv = (LDKCResult_PhantomRouteHintsDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_PhantomRouteHintsDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -5399,7 +5399,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ watch_channel_LDKWatch_jcall(const void*
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKOutPoint funding_txo_var = funding_txo;
-       uintptr_t funding_txo_ref = 0;
+       int64_t funding_txo_ref = 0;
        CHECK((((uintptr_t)funding_txo_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&funding_txo_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(funding_txo_var);
@@ -5408,7 +5408,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ watch_channel_LDKWatch_jcall(const void*
                funding_txo_ref |= 1;
        }
        LDKChannelMonitor monitor_var = monitor;
-       uintptr_t monitor_ref = 0;
+       int64_t monitor_ref = 0;
        CHECK((((uintptr_t)monitor_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&monitor_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(monitor_var);
@@ -5442,7 +5442,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_channel_LDKWatch_jcall(const void
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKOutPoint funding_txo_var = funding_txo;
-       uintptr_t funding_txo_ref = 0;
+       int64_t funding_txo_ref = 0;
        CHECK((((uintptr_t)funding_txo_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&funding_txo_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(funding_txo_var);
@@ -5451,7 +5451,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_channel_LDKWatch_jcall(const void
                funding_txo_ref |= 1;
        }
        LDKChannelMonitorUpdate update_var = update;
-       uintptr_t update_ref = 0;
+       int64_t update_ref = 0;
        CHECK((((uintptr_t)update_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&update_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(update_var);
@@ -5560,7 +5560,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Watch_1watch_1channel(JNIEn
        monitor_conv = ChannelMonitor_clone(&monitor_conv);
        LDKCResult_NoneChannelMonitorUpdateErrZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneChannelMonitorUpdateErrZ), "LDKCResult_NoneChannelMonitorUpdateErrZ");
        *ret_conv = (this_arg_conv->watch_channel)(this_arg_conv->this_arg, funding_txo_conv, monitor_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Watch_1update_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int64_t funding_txo, int64_t update) {
@@ -5579,7 +5579,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Watch_1update_1channel(JNIE
        update_conv = ChannelMonitorUpdate_clone(&update_conv);
        LDKCResult_NoneChannelMonitorUpdateErrZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneChannelMonitorUpdateErrZ), "LDKCResult_NoneChannelMonitorUpdateErrZ");
        *ret_conv = (this_arg_conv->update_channel)(this_arg_conv->this_arg, funding_txo_conv, update_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_Watch_1release_1pending_1monitor_1events(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -5593,7 +5593,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_Watch_1release_1pendin
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKMonitorEvent *ret_conv_14_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
                *ret_conv_14_copy = ret_var.data[o];
-               uintptr_t ret_conv_14_ref = (uintptr_t)ret_conv_14_copy;
+               int64_t ret_conv_14_ref = (uintptr_t)ret_conv_14_copy;
                ret_arr_ptr[o] = ret_conv_14_ref;
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
@@ -5986,7 +5986,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1node_1s
        LDKRecipient recipient_conv = LDKRecipient_from_java(env, recipient);
        LDKCResult_SecretKeyNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyNoneZ), "LDKCResult_SecretKeyNoneZ");
        *ret_conv = (this_arg_conv->get_node_secret)(this_arg_conv->this_arg, recipient_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1destination_1script(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -6005,7 +6005,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1shutdow
        if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
        LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        LDKShutdownScript ret_var = (this_arg_conv->get_shutdown_scriptpubkey)(this_arg_conv->this_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6022,7 +6022,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1channel
        LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        LDKSign* ret_ret = MALLOC(sizeof(LDKSign), "LDKSign");
        *ret_ret = (this_arg_conv->get_channel_signer)(this_arg_conv->this_arg, inbound, channel_value_satoshis);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1secure_1random_1bytes(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -6044,7 +6044,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1read_1chan_1
        LDKCResult_SignDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SignDecodeErrorZ), "LDKCResult_SignDecodeErrorZ");
        *ret_conv = (this_arg_conv->read_chan_signer)(this_arg_conv->this_arg, reader_ref);
        (*env)->ReleaseByteArrayElements(env, reader, (int8_t*)reader_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1sign_1invoice(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray hrp_bytes, jobjectArray invoice_data, jclass receipient) {
@@ -6071,7 +6071,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1sign_1invoic
        LDKCResult_RecoverableSignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_RecoverableSignatureNoneZ), "LDKCResult_RecoverableSignatureNoneZ");
        *ret_conv = (this_arg_conv->sign_invoice)(this_arg_conv->this_arg, hrp_bytes_ref, invoice_data_constr, receipient_conv);
        (*env)->ReleaseByteArrayElements(env, hrp_bytes, (int8_t*)hrp_bytes_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1inbound_1payment_1key_1material(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -6196,7 +6196,7 @@ void log_LDKLogger_jcall(const void* this_arg, const LDKRecord * record) {
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKRecord record_var = *record;
-       uintptr_t record_ref = 0;
+       int64_t record_ref = 0;
        record_var = Record_clone(record);
        CHECK((((uintptr_t)record_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&record_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -6258,7 +6258,7 @@ static inline struct LDKChannelManager *C2Tuple_BlockHashChannelManagerZ_get_b(L
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelManagerZ_1get_1b(JNIEnv *env, jclass clz, int64_t owner) {
        LDKC2Tuple_BlockHashChannelManagerZ* owner_conv = (LDKC2Tuple_BlockHashChannelManagerZ*)(owner & ~1);
        LDKChannelManager ret_var = *C2Tuple_BlockHashChannelManagerZ_get_b(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6272,7 +6272,7 @@ CHECK(owner->result_ok);
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelManagerZDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ* owner_conv = (LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ*)(owner & ~1);
-       uintptr_t ret_ret = (uintptr_t)CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_get_ok(owner_conv) | 1;
+       int64_t ret_ret = (uintptr_t)CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_get_ok(owner_conv) | 1;
        return ret_ret;
 }
 
@@ -6283,7 +6283,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelManagerZDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ* owner_conv = (LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6301,7 +6301,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelConfigDecodeErrorZ* owner_conv = (LDKCResult_ChannelConfigDecodeErrorZ*)(owner & ~1);
        LDKChannelConfig ret_var = CResult_ChannelConfigDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6319,7 +6319,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelConfigDecodeErrorZ* owner_conv = (LDKCResult_ChannelConfigDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelConfigDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6337,7 +6337,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_OutPointDecodeErrorZ* owner_conv = (LDKCResult_OutPointDecodeErrorZ*)(owner & ~1);
        LDKOutPoint ret_var = CResult_OutPointDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6355,7 +6355,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_OutPointDecodeErrorZ* owner_conv = (LDKCResult_OutPointDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_OutPointDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6543,7 +6543,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKCOption_1TypeZ_1ref_1fro
                case LDKCOption_TypeZ_Some: {
                        LDKType* some_ret = MALLOC(sizeof(LDKType), "LDKType");
                        *some_ret = Type_clone(&obj->some);
-                       return (*env)->NewObject(env, LDKCOption_TypeZ_Some_class, LDKCOption_TypeZ_Some_meth, (uintptr_t)some_ret);
+                       return (*env)->NewObject(env, LDKCOption_TypeZ_Some_class, LDKCOption_TypeZ_Some_meth, (int64_t)some_ret);
                }
                case LDKCOption_TypeZ_None: {
                        return (*env)->NewObject(env, LDKCOption_TypeZ_None_class, LDKCOption_TypeZ_None_meth);
@@ -6559,7 +6559,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDeco
        LDKCResult_COption_TypeZDecodeErrorZ* owner_conv = (LDKCResult_COption_TypeZDecodeErrorZ*)(owner & ~1);
        LDKCOption_TypeZ *ret_copy = MALLOC(sizeof(LDKCOption_TypeZ), "LDKCOption_TypeZ");
        *ret_copy = CResult_COption_TypeZDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -6570,7 +6570,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_COption_TypeZDecodeErrorZ* owner_conv = (LDKCResult_COption_TypeZDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_COption_TypeZDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6614,7 +6614,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKPaymentError_1ref_1from_
                }
                case LDKPaymentError_Routing: {
                        LDKLightningError routing_var = obj->routing;
-                       uintptr_t routing_ref = 0;
+                       int64_t routing_ref = 0;
                        CHECK((((uintptr_t)routing_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&routing_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(routing_var);
@@ -6622,7 +6622,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKPaymentError_1ref_1from_
                        return (*env)->NewObject(env, LDKPaymentError_Routing_class, LDKPaymentError_Routing_meth, routing_ref);
                }
                case LDKPaymentError_Sending: {
-                       uintptr_t sending_ref = ((uintptr_t)&obj->sending) | 1;
+                       int64_t sending_ref = ((uintptr_t)&obj->sending) | 1;
                        return (*env)->NewObject(env, LDKPaymentError_Sending_class, LDKPaymentError_Sending_meth, sending_ref);
                }
                default: abort();
@@ -6647,7 +6647,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentEr
        LDKCResult_PaymentIdPaymentErrorZ* owner_conv = (LDKCResult_PaymentIdPaymentErrorZ*)(owner & ~1);
        LDKPaymentError *ret_copy = MALLOC(sizeof(LDKPaymentError), "LDKPaymentError");
        *ret_copy = CResult_PaymentIdPaymentErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -6677,7 +6677,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InvoiceNoneZ* owner_conv = (LDKCResult_InvoiceNoneZ*)(owner & ~1);
        LDKInvoice ret_var = CResult_InvoiceNoneZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6704,7 +6704,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNoneZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_SignedRawInvoiceNoneZ* owner_conv = (LDKCResult_SignedRawInvoiceNoneZ*)(owner & ~1);
        LDKSignedRawInvoice ret_var = CResult_SignedRawInvoiceNoneZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6730,7 +6730,7 @@ static inline struct LDKRawInvoice C3Tuple_RawInvoice_u832InvoiceSignatureZ_get_
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832InvoiceSignatureZ_1get_1a(JNIEnv *env, jclass clz, int64_t owner) {
        LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* owner_conv = (LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ*)(owner & ~1);
        LDKRawInvoice ret_var = C3Tuple_RawInvoice_u832InvoiceSignatureZ_get_a(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6757,7 +6757,7 @@ static inline struct LDKInvoiceSignature C3Tuple_RawInvoice_u832InvoiceSignature
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832InvoiceSignatureZ_1get_1c(JNIEnv *env, jclass clz, int64_t owner) {
        LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* owner_conv = (LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ*)(owner & ~1);
        LDKInvoiceSignature ret_var = C3Tuple_RawInvoice_u832InvoiceSignatureZ_get_c(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6775,7 +6775,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PayeePubKeyErrorZ* owner_conv = (LDKCResult_PayeePubKeyErrorZ*)(owner & ~1);
        LDKPayeePubKey ret_var = CResult_PayeePubKeyErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6810,7 +6810,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampCreationErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PositiveTimestampCreationErrorZ* owner_conv = (LDKCResult_PositiveTimestampCreationErrorZ*)(owner & ~1);
        LDKPositiveTimestamp ret_var = CResult_PositiveTimestampCreationErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6857,7 +6857,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InvoiceSemanticErrorZ* owner_conv = (LDKCResult_InvoiceSemanticErrorZ*)(owner & ~1);
        LDKInvoice ret_var = CResult_InvoiceSemanticErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6885,7 +6885,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreationErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_DescriptionCreationErrorZ* owner_conv = (LDKCResult_DescriptionCreationErrorZ*)(owner & ~1);
        LDKDescription ret_var = CResult_DescriptionCreationErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6913,7 +6913,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreationErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PrivateRouteCreationErrorZ* owner_conv = (LDKCResult_PrivateRouteCreationErrorZ*)(owner & ~1);
        LDKPrivateRoute ret_var = CResult_PrivateRouteCreationErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6962,7 +6962,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpdateDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelMonitorUpdateDecodeErrorZ* owner_conv = (LDKCResult_ChannelMonitorUpdateDecodeErrorZ*)(owner & ~1);
        LDKChannelMonitorUpdate ret_var = CResult_ChannelMonitorUpdateDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6980,7 +6980,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpdateDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelMonitorUpdateDecodeErrorZ* owner_conv = (LDKCResult_ChannelMonitorUpdateDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelMonitorUpdateDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7011,7 +7011,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKCOption_1MonitorEventZ_1
        LDKCOption_MonitorEventZ *obj = (LDKCOption_MonitorEventZ*)(ptr & ~1);
        switch(obj->tag) {
                case LDKCOption_MonitorEventZ_Some: {
-                       uintptr_t some_ref = ((uintptr_t)&obj->some) | 1;
+                       int64_t some_ref = ((uintptr_t)&obj->some) | 1;
                        return (*env)->NewObject(env, LDKCOption_MonitorEventZ_Some_class, LDKCOption_MonitorEventZ_Some_meth, some_ref);
                }
                case LDKCOption_MonitorEventZ_None: {
@@ -7028,7 +7028,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEv
        LDKCResult_COption_MonitorEventZDecodeErrorZ* owner_conv = (LDKCResult_COption_MonitorEventZDecodeErrorZ*)(owner & ~1);
        LDKCOption_MonitorEventZ *ret_copy = MALLOC(sizeof(LDKCOption_MonitorEventZ), "LDKCOption_MonitorEventZ");
        *ret_copy = CResult_COption_MonitorEventZDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -7039,7 +7039,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEventZDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_COption_MonitorEventZDecodeErrorZ* owner_conv = (LDKCResult_COption_MonitorEventZDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_COption_MonitorEventZDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7057,7 +7057,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_HTLCUpdateDecodeErrorZ* owner_conv = (LDKCResult_HTLCUpdateDecodeErrorZ*)(owner & ~1);
        LDKHTLCUpdate ret_var = CResult_HTLCUpdateDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7075,7 +7075,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_HTLCUpdateDecodeErrorZ* owner_conv = (LDKCResult_HTLCUpdateDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_HTLCUpdateDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7092,7 +7092,7 @@ static inline struct LDKOutPoint C2Tuple_OutPointScriptZ_get_a(LDKC2Tuple_OutPoi
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1get_1a(JNIEnv *env, jclass clz, int64_t owner) {
        LDKC2Tuple_OutPointScriptZ* owner_conv = (LDKC2Tuple_OutPointScriptZ*)(owner & ~1);
        LDKOutPoint ret_var = C2Tuple_OutPointScriptZ_get_a(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7165,7 +7165,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2T
        for (size_t v = 0; v < ret_var.datalen; v++) {
                LDKC2Tuple_u32ScriptZ* ret_conv_21_conv = MALLOC(sizeof(LDKC2Tuple_u32ScriptZ), "LDKC2Tuple_u32ScriptZ");
                *ret_conv_21_conv = ret_var.data[v];
-               ret_arr_ptr[v] = ((uintptr_t)ret_conv_21_conv);
+               ret_arr_ptr[v] = ((int64_t)ret_conv_21_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
        FREE(ret_var.data);
@@ -7202,7 +7202,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1get_1b(
        LDKC2Tuple_u32TxOutZ* owner_conv = (LDKC2Tuple_u32TxOutZ*)(owner & ~1);
        LDKTxOut* ret_ref = MALLOC(sizeof(LDKTxOut), "LDKTxOut");
        *ret_ref = C2Tuple_u32TxOutZ_get_b(owner_conv);
-       return (uintptr_t)ret_ref;
+       return (int64_t)ret_ref;
 }
 
 static inline LDKCVec_C2Tuple_u32TxOutZZ CVec_C2Tuple_u32TxOutZZ_clone(const LDKCVec_C2Tuple_u32TxOutZZ *orig) {
@@ -7234,7 +7234,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2T
        for (size_t u = 0; u < ret_var.datalen; u++) {
                LDKC2Tuple_u32TxOutZ* ret_conv_20_conv = MALLOC(sizeof(LDKC2Tuple_u32TxOutZ), "LDKC2Tuple_u32TxOutZ");
                *ret_conv_20_conv = ret_var.data[u];
-               ret_arr_ptr[u] = ((uintptr_t)ret_conv_20_conv);
+               ret_arr_ptr[u] = ((int64_t)ret_conv_20_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
        FREE(ret_var.data);
@@ -7311,7 +7311,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHash
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* owner_conv = (LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ*)(owner & ~1);
        LDKC2Tuple_BlockHashChannelMonitorZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelMonitorZ), "LDKC2Tuple_BlockHashChannelMonitorZ");
        *ret_conv = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_get_ok(owner_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 static inline struct LDKDecodeError CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_get_err(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ *NONNULL_PTR owner){
@@ -7321,7 +7321,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelMonitorZDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* owner_conv = (LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7348,7 +7348,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NoneLightningErrorZ* owner_conv = (LDKCResult_NoneLightningErrorZ*)(owner & ~1);
        LDKLightningError ret_var = CResult_NoneLightningErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7376,7 +7376,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1ge
        LDKC2Tuple_PublicKeyTypeZ* owner_conv = (LDKC2Tuple_PublicKeyTypeZ*)(owner & ~1);
        LDKType* ret_ret = MALLOC(sizeof(LDKType), "LDKType");
        *ret_ret = C2Tuple_PublicKeyTypeZ_get_b(owner_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 static inline LDKCVec_C2Tuple_PublicKeyTypeZZ CVec_C2Tuple_PublicKeyTypeZZ_clone(const LDKCVec_C2Tuple_PublicKeyTypeZZ *orig) {
@@ -7403,7 +7403,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_boolLightningErrorZ* owner_conv = (LDKCResult_boolLightningErrorZ*)(owner & ~1);
        LDKLightningError ret_var = CResult_boolLightningErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7420,7 +7420,7 @@ static inline struct LDKChannelAnnouncement C3Tuple_ChannelAnnouncementChannelUp
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncementChannelUpdateChannelUpdateZ_1get_1a(JNIEnv *env, jclass clz, int64_t owner) {
        LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* owner_conv = (LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(owner & ~1);
        LDKChannelAnnouncement ret_var = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_a(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7437,7 +7437,7 @@ static inline struct LDKChannelUpdate C3Tuple_ChannelAnnouncementChannelUpdateCh
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncementChannelUpdateChannelUpdateZ_1get_1b(JNIEnv *env, jclass clz, int64_t owner) {
        LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* owner_conv = (LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(owner & ~1);
        LDKChannelUpdate ret_var = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_b(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7454,7 +7454,7 @@ static inline struct LDKChannelUpdate C3Tuple_ChannelAnnouncementChannelUpdateCh
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncementChannelUpdateChannelUpdateZ_1get_1c(JNIEnv *env, jclass clz, int64_t owner) {
        LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* owner_conv = (LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(owner & ~1);
        LDKChannelUpdate ret_var = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_c(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7499,7 +7499,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandleErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CVec_u8ZPeerHandleErrorZ* owner_conv = (LDKCResult_CVec_u8ZPeerHandleErrorZ*)(owner & ~1);
        LDKPeerHandleError ret_var = CResult_CVec_u8ZPeerHandleErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7526,7 +7526,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NonePeerHandleErrorZ* owner_conv = (LDKCResult_NonePeerHandleErrorZ*)(owner & ~1);
        LDKPeerHandleError ret_var = CResult_NonePeerHandleErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7554,7 +7554,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_boolPeerHandleErrorZ* owner_conv = (LDKCResult_boolPeerHandleErrorZ*)(owner & ~1);
        LDKPeerHandleError ret_var = CResult_boolPeerHandleErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7572,7 +7572,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeIdDecodeErrorZ* owner_conv = (LDKCResult_NodeIdDecodeErrorZ*)(owner & ~1);
        LDKNodeId ret_var = CResult_NodeIdDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7590,7 +7590,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeIdDecodeErrorZ* owner_conv = (LDKCResult_NodeIdDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_NodeIdDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7609,7 +7609,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUp
        LDKCResult_COption_NetworkUpdateZDecodeErrorZ* owner_conv = (LDKCResult_COption_NetworkUpdateZDecodeErrorZ*)(owner & ~1);
        LDKCOption_NetworkUpdateZ *ret_copy = MALLOC(sizeof(LDKCOption_NetworkUpdateZ), "LDKCOption_NetworkUpdateZ");
        *ret_copy = CResult_COption_NetworkUpdateZDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -7620,7 +7620,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUpdateZDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_COption_NetworkUpdateZDecodeErrorZ* owner_conv = (LDKCResult_COption_NetworkUpdateZDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_COption_NetworkUpdateZDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7717,7 +7717,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Access_1get_1utxo(JNIEnv *e
        unsigned char (*genesis_hash_ref)[32] = &genesis_hash_arr;
        LDKCResult_TxOutAccessErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxOutAccessErrorZ), "LDKCResult_TxOutAccessErrorZ");
        *ret_conv = (this_arg_conv->get_utxo)(this_arg_conv->this_arg, genesis_hash_ref, short_channel_id);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static jclass LDKCOption_AccessZ_Some_class = NULL;
@@ -7747,7 +7747,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKCOption_1AccessZ_1ref_1f
                                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                                LDKAccess_JCalls_cloned(&(*some_ret));
                        }
-                       return (*env)->NewObject(env, LDKCOption_AccessZ_Some_class, LDKCOption_AccessZ_Some_meth, (uintptr_t)some_ret);
+                       return (*env)->NewObject(env, LDKCOption_AccessZ_Some_class, LDKCOption_AccessZ_Some_meth, (int64_t)some_ret);
                }
                case LDKCOption_AccessZ_None: {
                        return (*env)->NewObject(env, LDKCOption_AccessZ_None_class, LDKCOption_AccessZ_None_meth);
@@ -7762,7 +7762,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelUpdateInfoDecodeErrorZ* owner_conv = (LDKCResult_ChannelUpdateInfoDecodeErrorZ*)(owner & ~1);
        LDKChannelUpdateInfo ret_var = CResult_ChannelUpdateInfoDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7780,7 +7780,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelUpdateInfoDecodeErrorZ* owner_conv = (LDKCResult_ChannelUpdateInfoDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelUpdateInfoDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7798,7 +7798,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelInfoDecodeErrorZ* owner_conv = (LDKCResult_ChannelInfoDecodeErrorZ*)(owner & ~1);
        LDKChannelInfo ret_var = CResult_ChannelInfoDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7816,7 +7816,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelInfoDecodeErrorZ* owner_conv = (LDKCResult_ChannelInfoDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelInfoDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7834,7 +7834,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RoutingFeesDecodeErrorZ* owner_conv = (LDKCResult_RoutingFeesDecodeErrorZ*)(owner & ~1);
        LDKRoutingFees ret_var = CResult_RoutingFeesDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7852,7 +7852,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RoutingFeesDecodeErrorZ* owner_conv = (LDKCResult_RoutingFeesDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_RoutingFeesDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7870,7 +7870,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementInfoDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeAnnouncementInfoDecodeErrorZ* owner_conv = (LDKCResult_NodeAnnouncementInfoDecodeErrorZ*)(owner & ~1);
        LDKNodeAnnouncementInfo ret_var = CResult_NodeAnnouncementInfoDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7888,7 +7888,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementInfoDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeAnnouncementInfoDecodeErrorZ* owner_conv = (LDKCResult_NodeAnnouncementInfoDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_NodeAnnouncementInfoDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7911,7 +7911,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeInfoDecodeErrorZ* owner_conv = (LDKCResult_NodeInfoDecodeErrorZ*)(owner & ~1);
        LDKNodeInfo ret_var = CResult_NodeInfoDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7929,7 +7929,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeInfoDecodeErrorZ* owner_conv = (LDKCResult_NodeInfoDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_NodeInfoDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7947,7 +7947,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NetworkGraphDecodeErrorZ* owner_conv = (LDKCResult_NetworkGraphDecodeErrorZ*)(owner & ~1);
        LDKNetworkGraph ret_var = CResult_NetworkGraphDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7965,7 +7965,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NetworkGraphDecodeErrorZ* owner_conv = (LDKCResult_NetworkGraphDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_NetworkGraphDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8001,7 +8001,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKCOption_1CVec_1NetAddres
                        some_arr = (*env)->NewLongArray(env, some_var.datalen);
                        int64_t *some_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, some_arr, NULL);
                        for (size_t m = 0; m < some_var.datalen; m++) {
-                               uintptr_t some_conv_12_ref = ((uintptr_t)&some_var.data[m]) | 1;
+                               int64_t some_conv_12_ref = ((uintptr_t)&some_var.data[m]) | 1;
                                some_arr_ptr[m] = some_conv_12_ref;
                        }
                        (*env)->ReleasePrimitiveArrayCritical(env, some_arr, some_arr_ptr, 0);
@@ -8021,7 +8021,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeEr
        LDKCResult_NetAddressDecodeErrorZ* owner_conv = (LDKCResult_NetAddressDecodeErrorZ*)(owner & ~1);
        LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
        *ret_copy = CResult_NetAddressDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -8032,7 +8032,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NetAddressDecodeErrorZ* owner_conv = (LDKCResult_NetAddressDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_NetAddressDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8078,7 +8078,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_AcceptChannelDecodeErrorZ* owner_conv = (LDKCResult_AcceptChannelDecodeErrorZ*)(owner & ~1);
        LDKAcceptChannel ret_var = CResult_AcceptChannelDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8096,7 +8096,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_AcceptChannelDecodeErrorZ* owner_conv = (LDKCResult_AcceptChannelDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_AcceptChannelDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8114,7 +8114,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignaturesDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_AnnouncementSignaturesDecodeErrorZ* owner_conv = (LDKCResult_AnnouncementSignaturesDecodeErrorZ*)(owner & ~1);
        LDKAnnouncementSignatures ret_var = CResult_AnnouncementSignaturesDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8132,7 +8132,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignaturesDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_AnnouncementSignaturesDecodeErrorZ* owner_conv = (LDKCResult_AnnouncementSignaturesDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_AnnouncementSignaturesDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8150,7 +8150,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablishDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelReestablishDecodeErrorZ* owner_conv = (LDKCResult_ChannelReestablishDecodeErrorZ*)(owner & ~1);
        LDKChannelReestablish ret_var = CResult_ChannelReestablishDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8168,7 +8168,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablishDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelReestablishDecodeErrorZ* owner_conv = (LDKCResult_ChannelReestablishDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelReestablishDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8186,7 +8186,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ClosingSignedDecodeErrorZ* owner_conv = (LDKCResult_ClosingSignedDecodeErrorZ*)(owner & ~1);
        LDKClosingSigned ret_var = CResult_ClosingSignedDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8204,7 +8204,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ClosingSignedDecodeErrorZ* owner_conv = (LDKCResult_ClosingSignedDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ClosingSignedDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8222,7 +8222,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRangeDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ClosingSignedFeeRangeDecodeErrorZ* owner_conv = (LDKCResult_ClosingSignedFeeRangeDecodeErrorZ*)(owner & ~1);
        LDKClosingSignedFeeRange ret_var = CResult_ClosingSignedFeeRangeDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8240,7 +8240,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRangeDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ClosingSignedFeeRangeDecodeErrorZ* owner_conv = (LDKCResult_ClosingSignedFeeRangeDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ClosingSignedFeeRangeDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8258,7 +8258,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CommitmentSignedDecodeErrorZ* owner_conv = (LDKCResult_CommitmentSignedDecodeErrorZ*)(owner & ~1);
        LDKCommitmentSigned ret_var = CResult_CommitmentSignedDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8276,7 +8276,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CommitmentSignedDecodeErrorZ* owner_conv = (LDKCResult_CommitmentSignedDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_CommitmentSignedDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8294,7 +8294,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_FundingCreatedDecodeErrorZ* owner_conv = (LDKCResult_FundingCreatedDecodeErrorZ*)(owner & ~1);
        LDKFundingCreated ret_var = CResult_FundingCreatedDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8312,7 +8312,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_FundingCreatedDecodeErrorZ* owner_conv = (LDKCResult_FundingCreatedDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_FundingCreatedDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8330,7 +8330,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_FundingSignedDecodeErrorZ* owner_conv = (LDKCResult_FundingSignedDecodeErrorZ*)(owner & ~1);
        LDKFundingSigned ret_var = CResult_FundingSignedDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8348,7 +8348,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_FundingSignedDecodeErrorZ* owner_conv = (LDKCResult_FundingSignedDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_FundingSignedDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8366,7 +8366,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_FundingLockedDecodeErrorZ* owner_conv = (LDKCResult_FundingLockedDecodeErrorZ*)(owner & ~1);
        LDKFundingLocked ret_var = CResult_FundingLockedDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8384,7 +8384,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_FundingLockedDecodeErrorZ* owner_conv = (LDKCResult_FundingLockedDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_FundingLockedDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8402,7 +8402,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InitDecodeErrorZ* owner_conv = (LDKCResult_InitDecodeErrorZ*)(owner & ~1);
        LDKInit ret_var = CResult_InitDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8420,7 +8420,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InitDecodeErrorZ* owner_conv = (LDKCResult_InitDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_InitDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8438,7 +8438,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_OpenChannelDecodeErrorZ* owner_conv = (LDKCResult_OpenChannelDecodeErrorZ*)(owner & ~1);
        LDKOpenChannel ret_var = CResult_OpenChannelDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8456,7 +8456,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_OpenChannelDecodeErrorZ* owner_conv = (LDKCResult_OpenChannelDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_OpenChannelDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8474,7 +8474,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RevokeAndACKDecodeErrorZ* owner_conv = (LDKCResult_RevokeAndACKDecodeErrorZ*)(owner & ~1);
        LDKRevokeAndACK ret_var = CResult_RevokeAndACKDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8492,7 +8492,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RevokeAndACKDecodeErrorZ* owner_conv = (LDKCResult_RevokeAndACKDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_RevokeAndACKDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8510,7 +8510,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ShutdownDecodeErrorZ* owner_conv = (LDKCResult_ShutdownDecodeErrorZ*)(owner & ~1);
        LDKShutdown ret_var = CResult_ShutdownDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8528,7 +8528,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ShutdownDecodeErrorZ* owner_conv = (LDKCResult_ShutdownDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ShutdownDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8546,7 +8546,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateFailHTLCDecodeErrorZ* owner_conv = (LDKCResult_UpdateFailHTLCDecodeErrorZ*)(owner & ~1);
        LDKUpdateFailHTLC ret_var = CResult_UpdateFailHTLCDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8564,7 +8564,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateFailHTLCDecodeErrorZ* owner_conv = (LDKCResult_UpdateFailHTLCDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_UpdateFailHTLCDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8582,7 +8582,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalformedHTLCDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ* owner_conv = (LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ*)(owner & ~1);
        LDKUpdateFailMalformedHTLC ret_var = CResult_UpdateFailMalformedHTLCDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8600,7 +8600,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalformedHTLCDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ* owner_conv = (LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_UpdateFailMalformedHTLCDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8618,7 +8618,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateFeeDecodeErrorZ* owner_conv = (LDKCResult_UpdateFeeDecodeErrorZ*)(owner & ~1);
        LDKUpdateFee ret_var = CResult_UpdateFeeDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8636,7 +8636,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateFeeDecodeErrorZ* owner_conv = (LDKCResult_UpdateFeeDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_UpdateFeeDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8654,7 +8654,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateFulfillHTLCDecodeErrorZ* owner_conv = (LDKCResult_UpdateFulfillHTLCDecodeErrorZ*)(owner & ~1);
        LDKUpdateFulfillHTLC ret_var = CResult_UpdateFulfillHTLCDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8672,7 +8672,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateFulfillHTLCDecodeErrorZ* owner_conv = (LDKCResult_UpdateFulfillHTLCDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_UpdateFulfillHTLCDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8690,7 +8690,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateAddHTLCDecodeErrorZ* owner_conv = (LDKCResult_UpdateAddHTLCDecodeErrorZ*)(owner & ~1);
        LDKUpdateAddHTLC ret_var = CResult_UpdateAddHTLCDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8708,7 +8708,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateAddHTLCDecodeErrorZ* owner_conv = (LDKCResult_UpdateAddHTLCDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_UpdateAddHTLCDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8726,7 +8726,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PingDecodeErrorZ* owner_conv = (LDKCResult_PingDecodeErrorZ*)(owner & ~1);
        LDKPing ret_var = CResult_PingDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8744,7 +8744,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PingDecodeErrorZ* owner_conv = (LDKCResult_PingDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_PingDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8762,7 +8762,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PongDecodeErrorZ* owner_conv = (LDKCResult_PongDecodeErrorZ*)(owner & ~1);
        LDKPong ret_var = CResult_PongDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8780,7 +8780,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PongDecodeErrorZ* owner_conv = (LDKCResult_PongDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_PongDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8798,7 +8798,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnnouncementDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ* owner_conv = (LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ*)(owner & ~1);
        LDKUnsignedChannelAnnouncement ret_var = CResult_UnsignedChannelAnnouncementDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8816,7 +8816,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnnouncementDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ* owner_conv = (LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_UnsignedChannelAnnouncementDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8834,7 +8834,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncementDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelAnnouncementDecodeErrorZ* owner_conv = (LDKCResult_ChannelAnnouncementDecodeErrorZ*)(owner & ~1);
        LDKChannelAnnouncement ret_var = CResult_ChannelAnnouncementDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8852,7 +8852,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncementDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelAnnouncementDecodeErrorZ* owner_conv = (LDKCResult_ChannelAnnouncementDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelAnnouncementDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8870,7 +8870,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpdateDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UnsignedChannelUpdateDecodeErrorZ* owner_conv = (LDKCResult_UnsignedChannelUpdateDecodeErrorZ*)(owner & ~1);
        LDKUnsignedChannelUpdate ret_var = CResult_UnsignedChannelUpdateDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8888,7 +8888,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpdateDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UnsignedChannelUpdateDecodeErrorZ* owner_conv = (LDKCResult_UnsignedChannelUpdateDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_UnsignedChannelUpdateDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8906,7 +8906,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelUpdateDecodeErrorZ* owner_conv = (LDKCResult_ChannelUpdateDecodeErrorZ*)(owner & ~1);
        LDKChannelUpdate ret_var = CResult_ChannelUpdateDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8924,7 +8924,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelUpdateDecodeErrorZ* owner_conv = (LDKCResult_ChannelUpdateDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelUpdateDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8942,7 +8942,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ErrorMessageDecodeErrorZ* owner_conv = (LDKCResult_ErrorMessageDecodeErrorZ*)(owner & ~1);
        LDKErrorMessage ret_var = CResult_ErrorMessageDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8960,7 +8960,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ErrorMessageDecodeErrorZ* owner_conv = (LDKCResult_ErrorMessageDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ErrorMessageDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8978,7 +8978,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_WarningMessageDecodeErrorZ* owner_conv = (LDKCResult_WarningMessageDecodeErrorZ*)(owner & ~1);
        LDKWarningMessage ret_var = CResult_WarningMessageDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8996,7 +8996,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_WarningMessageDecodeErrorZ* owner_conv = (LDKCResult_WarningMessageDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_WarningMessageDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9014,7 +9014,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnouncementDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ* owner_conv = (LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ*)(owner & ~1);
        LDKUnsignedNodeAnnouncement ret_var = CResult_UnsignedNodeAnnouncementDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9032,7 +9032,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnouncementDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ* owner_conv = (LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_UnsignedNodeAnnouncementDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9050,7 +9050,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeAnnouncementDecodeErrorZ* owner_conv = (LDKCResult_NodeAnnouncementDecodeErrorZ*)(owner & ~1);
        LDKNodeAnnouncement ret_var = CResult_NodeAnnouncementDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9068,7 +9068,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeAnnouncementDecodeErrorZ* owner_conv = (LDKCResult_NodeAnnouncementDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_NodeAnnouncementDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9086,7 +9086,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelIdsDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_QueryShortChannelIdsDecodeErrorZ* owner_conv = (LDKCResult_QueryShortChannelIdsDecodeErrorZ*)(owner & ~1);
        LDKQueryShortChannelIds ret_var = CResult_QueryShortChannelIdsDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9104,7 +9104,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelIdsDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_QueryShortChannelIdsDecodeErrorZ* owner_conv = (LDKCResult_QueryShortChannelIdsDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_QueryShortChannelIdsDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9122,7 +9122,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelIdsEndDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ* owner_conv = (LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ*)(owner & ~1);
        LDKReplyShortChannelIdsEnd ret_var = CResult_ReplyShortChannelIdsEndDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9140,7 +9140,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelIdsEndDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ* owner_conv = (LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ReplyShortChannelIdsEndDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9158,7 +9158,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_QueryChannelRangeDecodeErrorZ* owner_conv = (LDKCResult_QueryChannelRangeDecodeErrorZ*)(owner & ~1);
        LDKQueryChannelRange ret_var = CResult_QueryChannelRangeDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9176,7 +9176,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_QueryChannelRangeDecodeErrorZ* owner_conv = (LDKCResult_QueryChannelRangeDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_QueryChannelRangeDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9194,7 +9194,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ReplyChannelRangeDecodeErrorZ* owner_conv = (LDKCResult_ReplyChannelRangeDecodeErrorZ*)(owner & ~1);
        LDKReplyChannelRange ret_var = CResult_ReplyChannelRangeDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9212,7 +9212,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ReplyChannelRangeDecodeErrorZ* owner_conv = (LDKCResult_ReplyChannelRangeDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ReplyChannelRangeDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9230,7 +9230,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFilterDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_GossipTimestampFilterDecodeErrorZ* owner_conv = (LDKCResult_GossipTimestampFilterDecodeErrorZ*)(owner & ~1);
        LDKGossipTimestampFilter ret_var = CResult_GossipTimestampFilterDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9248,7 +9248,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFilterDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_GossipTimestampFilterDecodeErrorZ* owner_conv = (LDKCResult_GossipTimestampFilterDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_GossipTimestampFilterDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9302,7 +9302,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreationErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InvoiceSignOrCreationErrorZ* owner_conv = (LDKCResult_InvoiceSignOrCreationErrorZ*)(owner & ~1);
        LDKInvoice ret_var = CResult_InvoiceSignOrCreationErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9321,7 +9321,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreat
        LDKCResult_InvoiceSignOrCreationErrorZ* owner_conv = (LDKCResult_InvoiceSignOrCreationErrorZ*)(owner & ~1);
        LDKSignOrCreationError *ret_copy = MALLOC(sizeof(LDKSignOrCreationError), "LDKSignOrCreationError");
        *ret_copy = CResult_InvoiceSignOrCreationErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -9384,7 +9384,7 @@ LDKCOption_C2Tuple_usizeTransactionZZ register_output_LDKFilter_jcall(const void
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKWatchedOutput output_var = output;
-       uintptr_t output_ref = 0;
+       int64_t output_ref = 0;
        CHECK((((uintptr_t)output_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&output_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(output_var);
@@ -9463,7 +9463,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Filter_1register_1output(JN
        output_conv = WatchedOutput_clone(&output_conv);
        LDKCOption_C2Tuple_usizeTransactionZZ *ret_copy = MALLOC(sizeof(LDKCOption_C2Tuple_usizeTransactionZZ), "LDKCOption_C2Tuple_usizeTransactionZZ");
        *ret_copy = (this_arg_conv->register_output)(this_arg_conv->this_arg, output_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -9494,7 +9494,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKCOption_1FilterZ_1ref_1f
                                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                                LDKFilter_JCalls_cloned(&(*some_ret));
                        }
-                       return (*env)->NewObject(env, LDKCOption_FilterZ_Some_class, LDKCOption_FilterZ_Some_meth, (uintptr_t)some_ret);
+                       return (*env)->NewObject(env, LDKCOption_FilterZ_Some_class, LDKCOption_FilterZ_Some_meth, (int64_t)some_ret);
                }
                case LDKCOption_FilterZ_None: {
                        return (*env)->NewObject(env, LDKCOption_FilterZ_None_class, LDKCOption_FilterZ_None_meth);
@@ -9509,7 +9509,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1LockedChannelMonitorNoneZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_LockedChannelMonitorNoneZ* owner_conv = (LDKCResult_LockedChannelMonitorNoneZ*)(owner & ~1);
        LDKLockedChannelMonitor ret_var = *CResult_LockedChannelMonitorNoneZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9630,7 +9630,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_MessageSendEventsProvi
        for (size_t s = 0; s < ret_var.datalen; s++) {
                LDKMessageSendEvent *ret_conv_18_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
                *ret_conv_18_copy = ret_var.data[s];
-               uintptr_t ret_conv_18_ref = (uintptr_t)ret_conv_18_copy;
+               int64_t ret_conv_18_ref = (uintptr_t)ret_conv_18_copy;
                ret_arr_ptr[s] = ret_conv_18_ref;
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
@@ -9674,7 +9674,7 @@ void handle_event_LDKEventHandler_jcall(const void* this_arg, const LDKEvent * e
        *ret_event = Event_clone(event);
        jobject obj = (*env)->NewLocalRef(env, j_calls->o);
        CHECK(obj != NULL);
-       (*env)->CallVoidMethod(env, obj, j_calls->handle_event_meth, (uintptr_t)ret_event);
+       (*env)->CallVoidMethod(env, obj, j_calls->handle_event_meth, (int64_t)ret_event);
        if (UNLIKELY((*env)->ExceptionCheck(env))) {
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_event in LDKEventHandler from rust threw an exception.");
@@ -9753,7 +9753,7 @@ void process_pending_events_LDKEventsProvider_jcall(const void* this_arg, LDKEve
        *handler_ret = handler;
        jobject obj = (*env)->NewLocalRef(env, j_calls->o);
        CHECK(obj != NULL);
-       (*env)->CallVoidMethod(env, obj, j_calls->process_pending_events_meth, (uintptr_t)handler_ret);
+       (*env)->CallVoidMethod(env, obj, j_calls->process_pending_events_meth, (int64_t)handler_ret);
        if (UNLIKELY((*env)->ExceptionCheck(env))) {
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to process_pending_events in LDKEventsProvider from rust threw an exception.");
@@ -9966,7 +9966,7 @@ void transactions_confirmed_LDKConfirm_jcall(const void* this_arg, const uint8_t
        for (size_t c = 0; c < txdata_var.datalen; c++) {
                LDKC2Tuple_usizeTransactionZ* txdata_conv_28_conv = MALLOC(sizeof(LDKC2Tuple_usizeTransactionZ), "LDKC2Tuple_usizeTransactionZ");
                *txdata_conv_28_conv = txdata_var.data[c];
-               txdata_arr_ptr[c] = ((uintptr_t)txdata_conv_28_conv);
+               txdata_arr_ptr[c] = ((int64_t)txdata_conv_28_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, txdata_arr, txdata_arr_ptr, 0);
        FREE(txdata_var.data);
@@ -10195,7 +10195,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ persist_new_channel_LDKPersist_jcall(con
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKOutPoint channel_id_var = channel_id;
-       uintptr_t channel_id_ref = 0;
+       int64_t channel_id_ref = 0;
        CHECK((((uintptr_t)channel_id_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&channel_id_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(channel_id_var);
@@ -10204,7 +10204,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ persist_new_channel_LDKPersist_jcall(con
                channel_id_ref |= 1;
        }
        LDKChannelMonitor data_var = *data;
-       uintptr_t data_ref = 0;
+       int64_t data_ref = 0;
        data_var = ChannelMonitor_clone(data);
        CHECK((((uintptr_t)data_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&data_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10214,7 +10214,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ persist_new_channel_LDKPersist_jcall(con
                data_ref |= 1;
        }
        LDKMonitorUpdateId update_id_var = update_id;
-       uintptr_t update_id_ref = 0;
+       int64_t update_id_ref = 0;
        CHECK((((uintptr_t)update_id_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&update_id_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(update_id_var);
@@ -10248,7 +10248,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_persisted_channel_LDKPersist_jcal
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKOutPoint channel_id_var = channel_id;
-       uintptr_t channel_id_ref = 0;
+       int64_t channel_id_ref = 0;
        CHECK((((uintptr_t)channel_id_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&channel_id_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(channel_id_var);
@@ -10257,7 +10257,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_persisted_channel_LDKPersist_jcal
                channel_id_ref |= 1;
        }
        LDKChannelMonitorUpdate update_var = *update;
-       uintptr_t update_ref = 0;
+       int64_t update_ref = 0;
        if ((uintptr_t)update_var.inner > 4096) {
                update_var = ChannelMonitorUpdate_clone(update);
                CHECK((((uintptr_t)update_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -10269,7 +10269,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_persisted_channel_LDKPersist_jcal
                }
        }
        LDKChannelMonitor data_var = *data;
-       uintptr_t data_ref = 0;
+       int64_t data_ref = 0;
        data_var = ChannelMonitor_clone(data);
        CHECK((((uintptr_t)data_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&data_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10279,7 +10279,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_persisted_channel_LDKPersist_jcal
                data_ref |= 1;
        }
        LDKMonitorUpdateId update_id_var = update_id;
-       uintptr_t update_id_ref = 0;
+       int64_t update_id_ref = 0;
        CHECK((((uintptr_t)update_id_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&update_id_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(update_id_var);
@@ -10352,7 +10352,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Persist_1persist_1new_1chan
        update_id_conv = MonitorUpdateId_clone(&update_id_conv);
        LDKCResult_NoneChannelMonitorUpdateErrZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneChannelMonitorUpdateErrZ), "LDKCResult_NoneChannelMonitorUpdateErrZ");
        *ret_conv = (this_arg_conv->persist_new_channel)(this_arg_conv->this_arg, channel_id_conv, &data_conv, update_id_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Persist_1update_1persisted_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int64_t channel_id, int64_t update, int64_t data, int64_t update_id) {
@@ -10379,7 +10379,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Persist_1update_1persisted_
        update_id_conv = MonitorUpdateId_clone(&update_id_conv);
        LDKCResult_NoneChannelMonitorUpdateErrZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneChannelMonitorUpdateErrZ), "LDKCResult_NoneChannelMonitorUpdateErrZ");
        *ret_conv = (this_arg_conv->update_persisted_channel)(this_arg_conv->this_arg, channel_id_conv, &update_conv, &data_conv, update_id_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 typedef struct LDKChannelMessageHandler_JCalls {
@@ -10437,7 +10437,7 @@ void handle_open_channel_LDKChannelMessageHandler_jcall(const void* this_arg, LD
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKInitFeatures their_features_var = their_features;
-       uintptr_t their_features_ref = 0;
+       int64_t their_features_ref = 0;
        CHECK((((uintptr_t)their_features_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&their_features_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(their_features_var);
@@ -10446,7 +10446,7 @@ void handle_open_channel_LDKChannelMessageHandler_jcall(const void* this_arg, LD
                their_features_ref |= 1;
        }
        LDKOpenChannel msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = OpenChannel_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10478,7 +10478,7 @@ void handle_accept_channel_LDKChannelMessageHandler_jcall(const void* this_arg,
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKInitFeatures their_features_var = their_features;
-       uintptr_t their_features_ref = 0;
+       int64_t their_features_ref = 0;
        CHECK((((uintptr_t)their_features_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&their_features_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(their_features_var);
@@ -10487,7 +10487,7 @@ void handle_accept_channel_LDKChannelMessageHandler_jcall(const void* this_arg,
                their_features_ref |= 1;
        }
        LDKAcceptChannel msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = AcceptChannel_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10519,7 +10519,7 @@ void handle_funding_created_LDKChannelMessageHandler_jcall(const void* this_arg,
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKFundingCreated msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = FundingCreated_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10551,7 +10551,7 @@ void handle_funding_signed_LDKChannelMessageHandler_jcall(const void* this_arg,
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKFundingSigned msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = FundingSigned_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10583,7 +10583,7 @@ void handle_funding_locked_LDKChannelMessageHandler_jcall(const void* this_arg,
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKFundingLocked msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = FundingLocked_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10615,7 +10615,7 @@ void handle_shutdown_LDKChannelMessageHandler_jcall(const void* this_arg, LDKPub
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKInitFeatures their_features_var = *their_features;
-       uintptr_t their_features_ref = 0;
+       int64_t their_features_ref = 0;
        their_features_var = InitFeatures_clone(their_features);
        CHECK((((uintptr_t)their_features_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&their_features_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10625,7 +10625,7 @@ void handle_shutdown_LDKChannelMessageHandler_jcall(const void* this_arg, LDKPub
                their_features_ref |= 1;
        }
        LDKShutdown msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = Shutdown_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10657,7 +10657,7 @@ void handle_closing_signed_LDKChannelMessageHandler_jcall(const void* this_arg,
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKClosingSigned msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = ClosingSigned_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10689,7 +10689,7 @@ void handle_update_add_htlc_LDKChannelMessageHandler_jcall(const void* this_arg,
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKUpdateAddHTLC msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = UpdateAddHTLC_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10721,7 +10721,7 @@ void handle_update_fulfill_htlc_LDKChannelMessageHandler_jcall(const void* this_
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKUpdateFulfillHTLC msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = UpdateFulfillHTLC_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10753,7 +10753,7 @@ void handle_update_fail_htlc_LDKChannelMessageHandler_jcall(const void* this_arg
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKUpdateFailHTLC msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = UpdateFailHTLC_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10785,7 +10785,7 @@ void handle_update_fail_malformed_htlc_LDKChannelMessageHandler_jcall(const void
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKUpdateFailMalformedHTLC msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = UpdateFailMalformedHTLC_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10817,7 +10817,7 @@ void handle_commitment_signed_LDKChannelMessageHandler_jcall(const void* this_ar
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKCommitmentSigned msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = CommitmentSigned_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10849,7 +10849,7 @@ void handle_revoke_and_ack_LDKChannelMessageHandler_jcall(const void* this_arg,
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKRevokeAndACK msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = RevokeAndACK_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10881,7 +10881,7 @@ void handle_update_fee_LDKChannelMessageHandler_jcall(const void* this_arg, LDKP
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKUpdateFee msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = UpdateFee_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10913,7 +10913,7 @@ void handle_announcement_signatures_LDKChannelMessageHandler_jcall(const void* t
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKAnnouncementSignatures msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = AnnouncementSignatures_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10967,7 +10967,7 @@ void peer_connected_LDKChannelMessageHandler_jcall(const void* this_arg, LDKPubl
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKInit msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = Init_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10999,7 +10999,7 @@ void handle_channel_reestablish_LDKChannelMessageHandler_jcall(const void* this_
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKChannelReestablish msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = ChannelReestablish_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -11031,7 +11031,7 @@ void handle_channel_update_LDKChannelMessageHandler_jcall(const void* this_arg,
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKChannelUpdate msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = ChannelUpdate_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -11063,7 +11063,7 @@ void handle_error_LDKChannelMessageHandler_jcall(const void* this_arg, LDKPublic
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKErrorMessage msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = ErrorMessage_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -11508,7 +11508,7 @@ LDKCResult_boolLightningErrorZ handle_node_announcement_LDKRoutingMessageHandler
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKNodeAnnouncement msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = NodeAnnouncement_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -11543,7 +11543,7 @@ LDKCResult_boolLightningErrorZ handle_channel_announcement_LDKRoutingMessageHand
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKChannelAnnouncement msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = ChannelAnnouncement_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -11578,7 +11578,7 @@ LDKCResult_boolLightningErrorZ handle_channel_update_LDKRoutingMessageHandler_jc
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKChannelUpdate msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = ChannelUpdate_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -11691,7 +11691,7 @@ void sync_routing_table_LDKRoutingMessageHandler_jcall(const void* this_arg, LDK
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKInit init_var = *init;
-       uintptr_t init_ref = 0;
+       int64_t init_ref = 0;
        init_var = Init_clone(init);
        CHECK((((uintptr_t)init_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&init_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -11723,7 +11723,7 @@ LDKCResult_NoneLightningErrorZ handle_reply_channel_range_LDKRoutingMessageHandl
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKReplyChannelRange msg_var = msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -11759,7 +11759,7 @@ LDKCResult_NoneLightningErrorZ handle_reply_short_channel_ids_end_LDKRoutingMess
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKReplyShortChannelIdsEnd msg_var = msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -11795,7 +11795,7 @@ LDKCResult_NoneLightningErrorZ handle_query_channel_range_LDKRoutingMessageHandl
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKQueryChannelRange msg_var = msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -11831,7 +11831,7 @@ LDKCResult_NoneLightningErrorZ handle_query_short_channel_ids_LDKRoutingMessageH
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKQueryShortChannelIds msg_var = msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -11927,7 +11927,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_conv);
        LDKCResult_boolLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolLightningErrorZ), "LDKCResult_boolLightningErrorZ");
        *ret_conv = (this_arg_conv->handle_node_announcement)(this_arg_conv->this_arg, &msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1channel_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
@@ -11940,7 +11940,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_conv);
        LDKCResult_boolLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolLightningErrorZ), "LDKCResult_boolLightningErrorZ");
        *ret_conv = (this_arg_conv->handle_channel_announcement)(this_arg_conv->this_arg, &msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1channel_1update(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
@@ -11953,7 +11953,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_conv);
        LDKCResult_boolLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolLightningErrorZ), "LDKCResult_boolLightningErrorZ");
        *ret_conv = (this_arg_conv->handle_channel_update)(this_arg_conv->this_arg, &msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1get_1next_1channel_1announcements(JNIEnv *env, jclass clz, int64_t this_arg, int64_t starting_point, int8_t batch_amount) {
@@ -11967,7 +11967,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_
        for (size_t h = 0; h < ret_var.datalen; h++) {
                LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* ret_conv_59_conv = MALLOC(sizeof(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ), "LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ");
                *ret_conv_59_conv = ret_var.data[h];
-               ret_arr_ptr[h] = ((uintptr_t)ret_conv_59_conv);
+               ret_arr_ptr[h] = ((int64_t)ret_conv_59_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
        FREE(ret_var.data);
@@ -11987,7 +11987,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t s = 0; s < ret_var.datalen; s++) {
                LDKNodeAnnouncement ret_conv_18_var = ret_var.data[s];
-               uintptr_t ret_conv_18_ref = 0;
+               int64_t ret_conv_18_ref = 0;
                CHECK((((uintptr_t)ret_conv_18_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_18_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_18_var);
@@ -12030,7 +12030,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
        msg_conv = ReplyChannelRange_clone(&msg_conv);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = (this_arg_conv->handle_reply_channel_range)(this_arg_conv->this_arg, their_node_id_ref, msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1reply_1short_1channel_1ids_1end(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
@@ -12047,7 +12047,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
        msg_conv = ReplyShortChannelIdsEnd_clone(&msg_conv);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = (this_arg_conv->handle_reply_short_channel_ids_end)(this_arg_conv->this_arg, their_node_id_ref, msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1query_1channel_1range(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
@@ -12064,7 +12064,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
        msg_conv = QueryChannelRange_clone(&msg_conv);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = (this_arg_conv->handle_query_channel_range)(this_arg_conv->this_arg, their_node_id_ref, msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1query_1short_1channel_1ids(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
@@ -12081,7 +12081,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
        msg_conv = QueryShortChannelIds_clone(&msg_conv);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = (this_arg_conv->handle_query_short_channel_ids)(this_arg_conv->this_arg, their_node_id_ref, msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 typedef struct LDKCustomMessageReader_JCalls {
@@ -12171,7 +12171,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CustomMessageReader_1read(J
        LDKCResult_COption_TypeZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_TypeZDecodeErrorZ), "LDKCResult_COption_TypeZDecodeErrorZ");
        *ret_conv = (this_arg_conv->read)(this_arg_conv->this_arg, message_type, buffer_ref);
        (*env)->ReleaseByteArrayElements(env, buffer, (int8_t*)buffer_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 typedef struct LDKCustomMessageHandler_JCalls {
@@ -12214,7 +12214,7 @@ LDKCResult_NoneLightningErrorZ handle_custom_message_LDKCustomMessageHandler_jca
        (*env)->SetByteArrayRegion(env, sender_node_id_arr, 0, 33, sender_node_id.compressed_form);
        jobject obj = (*env)->NewLocalRef(env, j_calls->o);
        CHECK(obj != NULL);
-       uint64_t ret = (*env)->CallLongMethod(env, obj, j_calls->handle_custom_message_meth, (uintptr_t)msg_ret, sender_node_id_arr);
+       uint64_t ret = (*env)->CallLongMethod(env, obj, j_calls->handle_custom_message_meth, (int64_t)msg_ret, sender_node_id_arr);
        if (UNLIKELY((*env)->ExceptionCheck(env))) {
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_custom_message in LDKCustomMessageHandler from rust threw an exception.");
@@ -12319,7 +12319,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CustomMessageHandler_1handl
        (*env)->GetByteArrayRegion(env, sender_node_id, 0, 33, sender_node_id_ref.compressed_form);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = (this_arg_conv->handle_custom_message)(this_arg_conv->this_arg, msg_conv, sender_node_id_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_CustomMessageHandler_1get_1and_1clear_1pending_1msg(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -12333,7 +12333,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_CustomMessageHandler_1
        for (size_t z = 0; z < ret_var.datalen; z++) {
                LDKC2Tuple_PublicKeyTypeZ* ret_conv_25_conv = MALLOC(sizeof(LDKC2Tuple_PublicKeyTypeZ), "LDKC2Tuple_PublicKeyTypeZ");
                *ret_conv_25_conv = ret_var.data[z];
-               ret_arr_ptr[z] = ((uintptr_t)ret_conv_25_conv);
+               ret_arr_ptr[z] = ((int64_t)ret_conv_25_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
        FREE(ret_var.data);
@@ -12380,7 +12380,7 @@ uintptr_t send_data_LDKSocketDescriptor_jcall(void* this_arg, LDKu8slice data, b
        (*env)->SetByteArrayRegion(env, data_arr, 0, data_var.datalen, data_var.data);
        jobject obj = (*env)->NewLocalRef(env, j_calls->o);
        CHECK(obj != NULL);
-       intptr_t ret = (*env)->CallLongMethod(env, obj, j_calls->send_data_meth, data_arr, resume_read);
+       int64_t ret = (*env)->CallLongMethod(env, obj, j_calls->send_data_meth, data_arr, resume_read);
        if (UNLIKELY((*env)->ExceptionCheck(env))) {
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to send_data in LDKSocketDescriptor from rust threw an exception.");
@@ -12423,7 +12423,7 @@ bool eq_LDKSocketDescriptor_jcall(const void* this_arg, const LDKSocketDescripto
        *other_arg_clone = SocketDescriptor_clone(other_arg);
        jobject obj = (*env)->NewLocalRef(env, j_calls->o);
        CHECK(obj != NULL);
-       jboolean ret = (*env)->CallBooleanMethod(env, obj, j_calls->eq_meth, (uintptr_t)other_arg_clone);
+       jboolean ret = (*env)->CallBooleanMethod(env, obj, j_calls->eq_meth, (int64_t)other_arg_clone);
        if (UNLIKELY((*env)->ExceptionCheck(env))) {
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to eq in LDKSocketDescriptor from rust threw an exception.");
@@ -12490,14 +12490,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKSocketDescriptor_1new(JN
        *res_ptr = LDKSocketDescriptor_init(env, clz, o);
        return (uint64_t)res_ptr;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1send_1data(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray data, jboolean resume_read) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1send_1data(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray data, jboolean resume_read) {
        void* this_arg_ptr = (void*)(((uintptr_t)this_arg) & ~1);
        if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
        LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)this_arg_ptr;
        LDKu8slice data_ref;
        data_ref.datalen = (*env)->GetArrayLength(env, data);
        data_ref.data = (*env)->GetByteArrayElements (env, data, NULL);
-       intptr_t ret_val = (this_arg_conv->send_data)(this_arg_conv->this_arg, data_ref, resume_read);
+       int64_t ret_val = (this_arg_conv->send_data)(this_arg_conv->this_arg, data_ref, resume_read);
        (*env)->ReleaseByteArrayElements(env, data, (int8_t*)data_ref.data, 0);
        return ret_val;
 }
@@ -12611,7 +12611,7 @@ uint64_t channel_penalty_msat_LDKScore_jcall(const void* this_arg, uint64_t shor
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKNodeId source_var = *source;
-       uintptr_t source_ref = 0;
+       int64_t source_ref = 0;
        source_var = NodeId_clone(source);
        CHECK((((uintptr_t)source_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&source_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -12621,7 +12621,7 @@ uint64_t channel_penalty_msat_LDKScore_jcall(const void* this_arg, uint64_t shor
                source_ref |= 1;
        }
        LDKNodeId target_var = *target;
-       uintptr_t target_ref = 0;
+       int64_t target_ref = 0;
        target_var = NodeId_clone(target);
        CHECK((((uintptr_t)target_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&target_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -12657,7 +12657,7 @@ void payment_path_failed_LDKScore_jcall(void* this_arg, LDKCVec_RouteHopZ path,
        int64_t *path_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, path_arr, NULL);
        for (size_t k = 0; k < path_var.datalen; k++) {
                LDKRouteHop path_conv_10_var = path_var.data[k];
-               uintptr_t path_conv_10_ref = 0;
+               int64_t path_conv_10_ref = 0;
                CHECK((((uintptr_t)path_conv_10_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&path_conv_10_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(path_conv_10_var);
@@ -12695,7 +12695,7 @@ void payment_path_successful_LDKScore_jcall(void* this_arg, LDKCVec_RouteHopZ pa
        int64_t *path_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, path_arr, NULL);
        for (size_t k = 0; k < path_var.datalen; k++) {
                LDKRouteHop path_conv_10_var = path_var.data[k];
-               uintptr_t path_conv_10_ref = 0;
+               int64_t path_conv_10_ref = 0;
                CHECK((((uintptr_t)path_conv_10_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&path_conv_10_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(path_conv_10_var);
@@ -12937,7 +12937,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LockableScore_1lock(JNIEnv
        LDKLockableScore* this_arg_conv = (LDKLockableScore*)this_arg_ptr;
        LDKScore* ret_ret = MALLOC(sizeof(LDKScore), "LDKScore");
        *ret_ret = (this_arg_conv->lock)(this_arg_conv->this_arg);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 typedef struct LDKChannelManagerPersister_JCalls {
@@ -12973,7 +12973,7 @@ LDKCResult_NoneErrorZ persist_manager_LDKChannelManagerPersister_jcall(const voi
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKChannelManager channel_manager_var = *channel_manager;
-       uintptr_t channel_manager_ref = 0;
+       int64_t channel_manager_ref = 0;
        // WARNING: we may need a move here but no clone is available for LDKChannelManager
        CHECK((((uintptr_t)channel_manager_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&channel_manager_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -13034,7 +13034,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerPersister_1pe
        CHECK_INNER_FIELD_ACCESS_OR_NULL(channel_manager_conv);
        LDKCResult_NoneErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneErrorZ), "LDKCResult_NoneErrorZ");
        *ret_conv = (this_arg_conv->persist_manager)(this_arg_conv->this_arg, &channel_manager_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static jclass LDKFallback_SegWitProgram_class = NULL;
@@ -13182,7 +13182,7 @@ LDKCResult_PaymentIdPaymentSendFailureZ send_payment_LDKPayer_jcall(const void*
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKRoute route_var = *route;
-       uintptr_t route_ref = 0;
+       int64_t route_ref = 0;
        route_var = Route_clone(route);
        CHECK((((uintptr_t)route_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&route_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -13221,7 +13221,7 @@ LDKCResult_PaymentIdPaymentSendFailureZ send_spontaneous_payment_LDKPayer_jcall(
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKRoute route_var = *route;
-       uintptr_t route_ref = 0;
+       int64_t route_ref = 0;
        route_var = Route_clone(route);
        CHECK((((uintptr_t)route_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&route_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -13258,7 +13258,7 @@ LDKCResult_NonePaymentSendFailureZ retry_payment_LDKPayer_jcall(const void* this
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKRoute route_var = *route;
-       uintptr_t route_ref = 0;
+       int64_t route_ref = 0;
        route_var = Route_clone(route);
        CHECK((((uintptr_t)route_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&route_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -13367,7 +13367,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_Payer_1first_1hops(JNI
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t q = 0; q < ret_var.datalen; q++) {
                LDKChannelDetails ret_conv_16_var = ret_var.data[q];
-               uintptr_t ret_conv_16_ref = 0;
+               int64_t ret_conv_16_ref = 0;
                CHECK((((uintptr_t)ret_conv_16_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_16_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_16_var);
@@ -13398,7 +13398,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Payer_1send_1payment(JNIEnv
        (*env)->GetByteArrayRegion(env, payment_secret, 0, 32, payment_secret_ref.data);
        LDKCResult_PaymentIdPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentSendFailureZ), "LDKCResult_PaymentIdPaymentSendFailureZ");
        *ret_conv = (this_arg_conv->send_payment)(this_arg_conv->this_arg, &route_conv, payment_hash_ref, payment_secret_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Payer_1send_1spontaneous_1payment(JNIEnv *env, jclass clz, int64_t this_arg, int64_t route, int8_tArray payment_preimage) {
@@ -13414,7 +13414,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Payer_1send_1spontaneous_1p
        (*env)->GetByteArrayRegion(env, payment_preimage, 0, 32, payment_preimage_ref.data);
        LDKCResult_PaymentIdPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentSendFailureZ), "LDKCResult_PaymentIdPaymentSendFailureZ");
        *ret_conv = (this_arg_conv->send_spontaneous_payment)(this_arg_conv->this_arg, &route_conv, payment_preimage_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Payer_1retry_1payment(JNIEnv *env, jclass clz, int64_t this_arg, int64_t route, int8_tArray payment_id) {
@@ -13430,7 +13430,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Payer_1retry_1payment(JNIEn
        (*env)->GetByteArrayRegion(env, payment_id, 0, 32, payment_id_ref.data);
        LDKCResult_NonePaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePaymentSendFailureZ), "LDKCResult_NonePaymentSendFailureZ");
        *ret_conv = (this_arg_conv->retry_payment)(this_arg_conv->this_arg, &route_conv, payment_id_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Payer_1abandon_1payment(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray payment_id) {
@@ -13478,7 +13478,7 @@ LDKCResult_RouteLightningErrorZ find_route_LDKRouter_jcall(const void* this_arg,
        int8_tArray payer_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, payer_arr, 0, 33, payer.compressed_form);
        LDKRouteParameters route_params_var = *route_params;
-       uintptr_t route_params_ref = 0;
+       int64_t route_params_ref = 0;
        route_params_var = RouteParameters_clone(route_params);
        CHECK((((uintptr_t)route_params_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&route_params_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -13497,7 +13497,7 @@ LDKCResult_RouteLightningErrorZ find_route_LDKRouter_jcall(const void* this_arg,
                int64_t *first_hops_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, first_hops_arr, NULL);
                for (size_t q = 0; q < first_hops_var.datalen; q++) {
                        LDKChannelDetails first_hops_conv_16_var =      first_hops_var.data[q];
-                       uintptr_t first_hops_conv_16_ref = 0;
+                       int64_t first_hops_conv_16_ref = 0;
                        CHECK((((uintptr_t)first_hops_conv_16_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&first_hops_conv_16_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(first_hops_conv_16_var);
@@ -13510,7 +13510,7 @@ LDKCResult_RouteLightningErrorZ find_route_LDKRouter_jcall(const void* this_arg,
                (*env)->ReleasePrimitiveArrayCritical(env, first_hops_arr, first_hops_arr_ptr, 0);
        }
        // WARNING: This object doesn't live past this scope, needs clone!
-       uintptr_t ret_scorer = ((uintptr_t)scorer) | 1;
+       int64_t ret_scorer = ((uintptr_t)scorer) | 1;
        jobject obj = (*env)->NewLocalRef(env, j_calls->o);
        CHECK(obj != NULL);
        uint64_t ret = (*env)->CallLongMethod(env, obj, j_calls->find_route_meth, payer_arr, route_params_ref, payment_hash_arr, first_hops_arr, ret_scorer);
@@ -13594,7 +13594,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Router_1find_1route(JNIEnv
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = (this_arg_conv->find_route)(this_arg_conv->this_arg, payer_ref, &route_params_conv, payment_hash_ref, first_hops_ptr, scorer_conv);
        if (first_hops_ptr != NULL) { FREE(first_hops_constr.data); }
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings__1ldk_1get_1compiled_1version(JNIEnv *env, jclass clz) {
@@ -13627,7 +13627,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxOut_1new(JNIEnv *env, jcl
        (*env)->GetByteArrayRegion(env, script_pubkey, 0, script_pubkey_ref.datalen, script_pubkey_ref.data);
        LDKTxOut* ret_ref = MALLOC(sizeof(LDKTxOut), "LDKTxOut");
        *ret_ref = TxOut_new(script_pubkey_ref, value);
-       return (uintptr_t)ret_ref;
+       return (int64_t)ret_ref;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_TxOut_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -13642,11 +13642,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_TxOut_1free(JNIEnv *env, jclas
 static inline uintptr_t TxOut_clone_ptr(LDKTxOut *NONNULL_PTR arg) {
        LDKTxOut* ret_ref = MALLOC(sizeof(LDKTxOut), "LDKTxOut");
        *ret_ref = TxOut_clone(arg);
-       return (uintptr_t)ret_ref;
+       return (int64_t)ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_TxOut_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxOut_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKTxOut* arg_conv = (LDKTxOut*)(arg & ~1);
-       intptr_t ret_val = TxOut_clone_ptr(arg_conv);
+       int64_t ret_val = TxOut_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -13654,7 +13654,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxOut_1clone(JNIEnv *env, j
        LDKTxOut* orig_conv = (LDKTxOut*)(orig & ~1);
        LDKTxOut* ret_ref = MALLOC(sizeof(LDKTxOut), "LDKTxOut");
        *ret_ref = TxOut_clone(orig_conv);
-       return (uintptr_t)ret_ref;
+       return (int64_t)ret_ref;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Str_1free(JNIEnv *env, jclass clz, jstring _res) {
@@ -13665,13 +13665,13 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Str_1free(JNIEnv *env, jclass
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneNoneZ_1ok(JNIEnv *env, jclass clz) {
        LDKCResult_NoneNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneNoneZ), "LDKCResult_NoneNoneZ");
        *ret_conv = CResult_NoneNoneZ_ok();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_NoneNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneNoneZ), "LDKCResult_NoneNoneZ");
        *ret_conv = CResult_NoneNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NoneNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13692,11 +13692,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneNoneZ_1free(JNIEn
 static inline uintptr_t CResult_NoneNoneZ_clone_ptr(LDKCResult_NoneNoneZ *NONNULL_PTR arg) {
        LDKCResult_NoneNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneNoneZ), "LDKCResult_NoneNoneZ");
        *ret_conv = CResult_NoneNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NoneNoneZ* arg_conv = (LDKCResult_NoneNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NoneNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NoneNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -13704,7 +13704,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneNoneZ_1clone(J
        LDKCResult_NoneNoneZ* orig_conv = (LDKCResult_NoneNoneZ*)(orig & ~1);
        LDKCResult_NoneNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneNoneZ), "LDKCResult_NoneNoneZ");
        *ret_conv = CResult_NoneNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommitmentSecretsDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13715,7 +13715,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommit
        o_conv = CounterpartyCommitmentSecrets_clone(&o_conv);
        LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ), "LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ");
        *ret_conv = CResult_CounterpartyCommitmentSecretsDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommitmentSecretsDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -13726,7 +13726,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommit
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ), "LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ");
        *ret_conv = CResult_CounterpartyCommitmentSecretsDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommitmentSecretsDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13747,11 +13747,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommitmen
 static inline uintptr_t CResult_CounterpartyCommitmentSecretsDecodeErrorZ_clone_ptr(LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ), "LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ");
        *ret_conv = CResult_CounterpartyCommitmentSecretsDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommitmentSecretsDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommitmentSecretsDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ* arg_conv = (LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_CounterpartyCommitmentSecretsDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_CounterpartyCommitmentSecretsDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -13759,7 +13759,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommit
        LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ* orig_conv = (LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ*)(orig & ~1);
        LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ), "LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ");
        *ret_conv = CResult_CounterpartyCommitmentSecretsDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1ok(JNIEnv *env, jclass clz, int8_tArray o) {
@@ -13768,14 +13768,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1o
        (*env)->GetByteArrayRegion(env, o, 0, 32, o_ref.bytes);
        LDKCResult_SecretKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyErrorZ), "LDKCResult_SecretKeyErrorZ");
        *ret_conv = CResult_SecretKeyErrorZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKSecp256k1Error e_conv = LDKSecp256k1Error_from_java(env, e);
        LDKCResult_SecretKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyErrorZ), "LDKCResult_SecretKeyErrorZ");
        *ret_conv = CResult_SecretKeyErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13796,11 +13796,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1free
 static inline uintptr_t CResult_SecretKeyErrorZ_clone_ptr(LDKCResult_SecretKeyErrorZ *NONNULL_PTR arg) {
        LDKCResult_SecretKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyErrorZ), "LDKCResult_SecretKeyErrorZ");
        *ret_conv = CResult_SecretKeyErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_SecretKeyErrorZ* arg_conv = (LDKCResult_SecretKeyErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_SecretKeyErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_SecretKeyErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -13808,7 +13808,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1c
        LDKCResult_SecretKeyErrorZ* orig_conv = (LDKCResult_SecretKeyErrorZ*)(orig & ~1);
        LDKCResult_SecretKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyErrorZ), "LDKCResult_SecretKeyErrorZ");
        *ret_conv = CResult_SecretKeyErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1ok(JNIEnv *env, jclass clz, int8_tArray o) {
@@ -13817,14 +13817,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1o
        (*env)->GetByteArrayRegion(env, o, 0, 33, o_ref.compressed_form);
        LDKCResult_PublicKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PublicKeyErrorZ), "LDKCResult_PublicKeyErrorZ");
        *ret_conv = CResult_PublicKeyErrorZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKSecp256k1Error e_conv = LDKSecp256k1Error_from_java(env, e);
        LDKCResult_PublicKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PublicKeyErrorZ), "LDKCResult_PublicKeyErrorZ");
        *ret_conv = CResult_PublicKeyErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13845,11 +13845,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1free
 static inline uintptr_t CResult_PublicKeyErrorZ_clone_ptr(LDKCResult_PublicKeyErrorZ *NONNULL_PTR arg) {
        LDKCResult_PublicKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PublicKeyErrorZ), "LDKCResult_PublicKeyErrorZ");
        *ret_conv = CResult_PublicKeyErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PublicKeyErrorZ* arg_conv = (LDKCResult_PublicKeyErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PublicKeyErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PublicKeyErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -13857,7 +13857,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1c
        LDKCResult_PublicKeyErrorZ* orig_conv = (LDKCResult_PublicKeyErrorZ*)(orig & ~1);
        LDKCResult_PublicKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PublicKeyErrorZ), "LDKCResult_PublicKeyErrorZ");
        *ret_conv = CResult_PublicKeyErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13868,7 +13868,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDeco
        o_conv = TxCreationKeys_clone(&o_conv);
        LDKCResult_TxCreationKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysDecodeErrorZ), "LDKCResult_TxCreationKeysDecodeErrorZ");
        *ret_conv = CResult_TxCreationKeysDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -13879,7 +13879,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDeco
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_TxCreationKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysDecodeErrorZ), "LDKCResult_TxCreationKeysDecodeErrorZ");
        *ret_conv = CResult_TxCreationKeysDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13900,11 +13900,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDecodeE
 static inline uintptr_t CResult_TxCreationKeysDecodeErrorZ_clone_ptr(LDKCResult_TxCreationKeysDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_TxCreationKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysDecodeErrorZ), "LDKCResult_TxCreationKeysDecodeErrorZ");
        *ret_conv = CResult_TxCreationKeysDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_TxCreationKeysDecodeErrorZ* arg_conv = (LDKCResult_TxCreationKeysDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_TxCreationKeysDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_TxCreationKeysDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -13912,7 +13912,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDeco
        LDKCResult_TxCreationKeysDecodeErrorZ* orig_conv = (LDKCResult_TxCreationKeysDecodeErrorZ*)(orig & ~1);
        LDKCResult_TxCreationKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysDecodeErrorZ), "LDKCResult_TxCreationKeysDecodeErrorZ");
        *ret_conv = CResult_TxCreationKeysDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13923,7 +13923,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysD
        o_conv = ChannelPublicKeys_clone(&o_conv);
        LDKCResult_ChannelPublicKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelPublicKeysDecodeErrorZ), "LDKCResult_ChannelPublicKeysDecodeErrorZ");
        *ret_conv = CResult_ChannelPublicKeysDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -13934,7 +13934,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysD
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelPublicKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelPublicKeysDecodeErrorZ), "LDKCResult_ChannelPublicKeysDecodeErrorZ");
        *ret_conv = CResult_ChannelPublicKeysDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13955,11 +13955,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysDeco
 static inline uintptr_t CResult_ChannelPublicKeysDecodeErrorZ_clone_ptr(LDKCResult_ChannelPublicKeysDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelPublicKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelPublicKeysDecodeErrorZ), "LDKCResult_ChannelPublicKeysDecodeErrorZ");
        *ret_conv = CResult_ChannelPublicKeysDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelPublicKeysDecodeErrorZ* arg_conv = (LDKCResult_ChannelPublicKeysDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelPublicKeysDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelPublicKeysDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -13967,7 +13967,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysD
        LDKCResult_ChannelPublicKeysDecodeErrorZ* orig_conv = (LDKCResult_ChannelPublicKeysDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelPublicKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelPublicKeysDecodeErrorZ), "LDKCResult_ChannelPublicKeysDecodeErrorZ");
        *ret_conv = CResult_ChannelPublicKeysDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13978,14 +13978,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErro
        o_conv = TxCreationKeys_clone(&o_conv);
        LDKCResult_TxCreationKeysErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysErrorZ), "LDKCResult_TxCreationKeysErrorZ");
        *ret_conv = CResult_TxCreationKeysErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKSecp256k1Error e_conv = LDKSecp256k1Error_from_java(env, e);
        LDKCResult_TxCreationKeysErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysErrorZ), "LDKCResult_TxCreationKeysErrorZ");
        *ret_conv = CResult_TxCreationKeysErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14006,11 +14006,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErrorZ_
 static inline uintptr_t CResult_TxCreationKeysErrorZ_clone_ptr(LDKCResult_TxCreationKeysErrorZ *NONNULL_PTR arg) {
        LDKCResult_TxCreationKeysErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysErrorZ), "LDKCResult_TxCreationKeysErrorZ");
        *ret_conv = CResult_TxCreationKeysErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_TxCreationKeysErrorZ* arg_conv = (LDKCResult_TxCreationKeysErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_TxCreationKeysErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_TxCreationKeysErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14018,20 +14018,20 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErro
        LDKCResult_TxCreationKeysErrorZ* orig_conv = (LDKCResult_TxCreationKeysErrorZ*)(orig & ~1);
        LDKCResult_TxCreationKeysErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysErrorZ), "LDKCResult_TxCreationKeysErrorZ");
        *ret_conv = CResult_TxCreationKeysErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u32Z_1some(JNIEnv *env, jclass clz, int32_t o) {
        LDKCOption_u32Z *ret_copy = MALLOC(sizeof(LDKCOption_u32Z), "LDKCOption_u32Z");
        *ret_copy = COption_u32Z_some(o);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u32Z_1none(JNIEnv *env, jclass clz) {
        LDKCOption_u32Z *ret_copy = MALLOC(sizeof(LDKCOption_u32Z), "LDKCOption_u32Z");
        *ret_copy = COption_u32Z_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -14047,12 +14047,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1u32Z_1free(JNIEnv *en
 static inline uintptr_t COption_u32Z_clone_ptr(LDKCOption_u32Z *NONNULL_PTR arg) {
        LDKCOption_u32Z *ret_copy = MALLOC(sizeof(LDKCOption_u32Z), "LDKCOption_u32Z");
        *ret_copy = COption_u32Z_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1u32Z_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u32Z_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_u32Z* arg_conv = (LDKCOption_u32Z*)arg;
-       intptr_t ret_val = COption_u32Z_clone_ptr(arg_conv);
+       int64_t ret_val = COption_u32Z_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14060,7 +14060,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u32Z_1clone(JNIEnv
        LDKCOption_u32Z* orig_conv = (LDKCOption_u32Z*)orig;
        LDKCOption_u32Z *ret_copy = MALLOC(sizeof(LDKCOption_u32Z), "LDKCOption_u32Z");
        *ret_copy = COption_u32Z_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -14072,7 +14072,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommit
        o_conv = HTLCOutputInCommitment_clone(&o_conv);
        LDKCResult_HTLCOutputInCommitmentDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ), "LDKCResult_HTLCOutputInCommitmentDecodeErrorZ");
        *ret_conv = CResult_HTLCOutputInCommitmentDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommitmentDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14083,7 +14083,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommit
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_HTLCOutputInCommitmentDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ), "LDKCResult_HTLCOutputInCommitmentDecodeErrorZ");
        *ret_conv = CResult_HTLCOutputInCommitmentDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommitmentDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14104,11 +14104,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommitmen
 static inline uintptr_t CResult_HTLCOutputInCommitmentDecodeErrorZ_clone_ptr(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_HTLCOutputInCommitmentDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ), "LDKCResult_HTLCOutputInCommitmentDecodeErrorZ");
        *ret_conv = CResult_HTLCOutputInCommitmentDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommitmentDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommitmentDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_HTLCOutputInCommitmentDecodeErrorZ* arg_conv = (LDKCResult_HTLCOutputInCommitmentDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_HTLCOutputInCommitmentDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_HTLCOutputInCommitmentDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14116,7 +14116,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommit
        LDKCResult_HTLCOutputInCommitmentDecodeErrorZ* orig_conv = (LDKCResult_HTLCOutputInCommitmentDecodeErrorZ*)(orig & ~1);
        LDKCResult_HTLCOutputInCommitmentDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ), "LDKCResult_HTLCOutputInCommitmentDecodeErrorZ");
        *ret_conv = CResult_HTLCOutputInCommitmentDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_COption_1NoneZ_1some(JNIEnv *env, jclass clz) {
@@ -14142,7 +14142,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChanne
        o_conv = CounterpartyChannelTransactionParameters_clone(&o_conv);
        LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ), "LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ");
        *ret_conv = CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChannelTransactionParametersDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14153,7 +14153,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChanne
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ), "LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ");
        *ret_conv = CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChannelTransactionParametersDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14174,11 +14174,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChannelTr
 static inline uintptr_t CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_clone_ptr(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ), "LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ");
        *ret_conv = CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChannelTransactionParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChannelTransactionParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ* arg_conv = (LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14186,7 +14186,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChanne
        LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ* orig_conv = (LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ*)(orig & ~1);
        LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ), "LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ");
        *ret_conv = CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransactionParametersDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14197,7 +14197,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransaction
        o_conv = ChannelTransactionParameters_clone(&o_conv);
        LDKCResult_ChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelTransactionParametersDecodeErrorZ), "LDKCResult_ChannelTransactionParametersDecodeErrorZ");
        *ret_conv = CResult_ChannelTransactionParametersDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransactionParametersDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14208,7 +14208,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransaction
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelTransactionParametersDecodeErrorZ), "LDKCResult_ChannelTransactionParametersDecodeErrorZ");
        *ret_conv = CResult_ChannelTransactionParametersDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransactionParametersDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14229,11 +14229,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransactionPar
 static inline uintptr_t CResult_ChannelTransactionParametersDecodeErrorZ_clone_ptr(LDKCResult_ChannelTransactionParametersDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelTransactionParametersDecodeErrorZ), "LDKCResult_ChannelTransactionParametersDecodeErrorZ");
        *ret_conv = CResult_ChannelTransactionParametersDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransactionParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransactionParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelTransactionParametersDecodeErrorZ* arg_conv = (LDKCResult_ChannelTransactionParametersDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelTransactionParametersDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelTransactionParametersDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14241,7 +14241,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransaction
        LDKCResult_ChannelTransactionParametersDecodeErrorZ* orig_conv = (LDKCResult_ChannelTransactionParametersDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelTransactionParametersDecodeErrorZ), "LDKCResult_ChannelTransactionParametersDecodeErrorZ");
        *ret_conv = CResult_ChannelTransactionParametersDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1SignatureZ_1free(JNIEnv *env, jclass clz, jobjectArray _res) {
@@ -14269,7 +14269,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTr
        o_conv = HolderCommitmentTransaction_clone(&o_conv);
        LDKCResult_HolderCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HolderCommitmentTransactionDecodeErrorZ), "LDKCResult_HolderCommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_HolderCommitmentTransactionDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTransactionDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14280,7 +14280,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTr
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_HolderCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HolderCommitmentTransactionDecodeErrorZ), "LDKCResult_HolderCommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_HolderCommitmentTransactionDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTransactionDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14301,11 +14301,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTrans
 static inline uintptr_t CResult_HolderCommitmentTransactionDecodeErrorZ_clone_ptr(LDKCResult_HolderCommitmentTransactionDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_HolderCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HolderCommitmentTransactionDecodeErrorZ), "LDKCResult_HolderCommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_HolderCommitmentTransactionDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTransactionDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTransactionDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_HolderCommitmentTransactionDecodeErrorZ* arg_conv = (LDKCResult_HolderCommitmentTransactionDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_HolderCommitmentTransactionDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_HolderCommitmentTransactionDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14313,7 +14313,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTr
        LDKCResult_HolderCommitmentTransactionDecodeErrorZ* orig_conv = (LDKCResult_HolderCommitmentTransactionDecodeErrorZ*)(orig & ~1);
        LDKCResult_HolderCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HolderCommitmentTransactionDecodeErrorZ), "LDKCResult_HolderCommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_HolderCommitmentTransactionDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTransactionDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14324,7 +14324,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTra
        o_conv = BuiltCommitmentTransaction_clone(&o_conv);
        LDKCResult_BuiltCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ), "LDKCResult_BuiltCommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_BuiltCommitmentTransactionDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTransactionDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14335,7 +14335,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTra
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_BuiltCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ), "LDKCResult_BuiltCommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_BuiltCommitmentTransactionDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTransactionDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14356,11 +14356,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTransa
 static inline uintptr_t CResult_BuiltCommitmentTransactionDecodeErrorZ_clone_ptr(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_BuiltCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ), "LDKCResult_BuiltCommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_BuiltCommitmentTransactionDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTransactionDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTransactionDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_BuiltCommitmentTransactionDecodeErrorZ* arg_conv = (LDKCResult_BuiltCommitmentTransactionDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_BuiltCommitmentTransactionDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_BuiltCommitmentTransactionDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14368,7 +14368,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTra
        LDKCResult_BuiltCommitmentTransactionDecodeErrorZ* orig_conv = (LDKCResult_BuiltCommitmentTransactionDecodeErrorZ*)(orig & ~1);
        LDKCResult_BuiltCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ), "LDKCResult_BuiltCommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_BuiltCommitmentTransactionDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedClosingTransactionNoneZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14379,13 +14379,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedClosingTran
        // WARNING: we need a move here but no clone is available for LDKTrustedClosingTransaction
        LDKCResult_TrustedClosingTransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TrustedClosingTransactionNoneZ), "LDKCResult_TrustedClosingTransactionNoneZ");
        *ret_conv = CResult_TrustedClosingTransactionNoneZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedClosingTransactionNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_TrustedClosingTransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TrustedClosingTransactionNoneZ), "LDKCResult_TrustedClosingTransactionNoneZ");
        *ret_conv = CResult_TrustedClosingTransactionNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedClosingTransactionNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14411,7 +14411,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransact
        o_conv = CommitmentTransaction_clone(&o_conv);
        LDKCResult_CommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentTransactionDecodeErrorZ), "LDKCResult_CommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_CommitmentTransactionDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransactionDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14422,7 +14422,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransact
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_CommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentTransactionDecodeErrorZ), "LDKCResult_CommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_CommitmentTransactionDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransactionDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14443,11 +14443,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransaction
 static inline uintptr_t CResult_CommitmentTransactionDecodeErrorZ_clone_ptr(LDKCResult_CommitmentTransactionDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_CommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentTransactionDecodeErrorZ), "LDKCResult_CommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_CommitmentTransactionDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransactionDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransactionDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_CommitmentTransactionDecodeErrorZ* arg_conv = (LDKCResult_CommitmentTransactionDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_CommitmentTransactionDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_CommitmentTransactionDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14455,7 +14455,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransact
        LDKCResult_CommitmentTransactionDecodeErrorZ* orig_conv = (LDKCResult_CommitmentTransactionDecodeErrorZ*)(orig & ~1);
        LDKCResult_CommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentTransactionDecodeErrorZ), "LDKCResult_CommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_CommitmentTransactionDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedCommitmentTransactionNoneZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14466,13 +14466,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedCommitmentT
        // WARNING: we need a move here but no clone is available for LDKTrustedCommitmentTransaction
        LDKCResult_TrustedCommitmentTransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TrustedCommitmentTransactionNoneZ), "LDKCResult_TrustedCommitmentTransactionNoneZ");
        *ret_conv = CResult_TrustedCommitmentTransactionNoneZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedCommitmentTransactionNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_TrustedCommitmentTransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TrustedCommitmentTransactionNoneZ), "LDKCResult_TrustedCommitmentTransactionNoneZ");
        *ret_conv = CResult_TrustedCommitmentTransactionNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedCommitmentTransactionNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14506,13 +14506,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1SignatureZNo
        }
        LDKCResult_CVec_SignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_SignatureZNoneZ), "LDKCResult_CVec_SignatureZNoneZ");
        *ret_conv = CResult_CVec_SignatureZNoneZ_ok(o_constr);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1SignatureZNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_CVec_SignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_SignatureZNoneZ), "LDKCResult_CVec_SignatureZNoneZ");
        *ret_conv = CResult_CVec_SignatureZNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1SignatureZNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14533,11 +14533,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1SignatureZNoneZ
 static inline uintptr_t CResult_CVec_SignatureZNoneZ_clone_ptr(LDKCResult_CVec_SignatureZNoneZ *NONNULL_PTR arg) {
        LDKCResult_CVec_SignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_SignatureZNoneZ), "LDKCResult_CVec_SignatureZNoneZ");
        *ret_conv = CResult_CVec_SignatureZNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1SignatureZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1SignatureZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_CVec_SignatureZNoneZ* arg_conv = (LDKCResult_CVec_SignatureZNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_CVec_SignatureZNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_CVec_SignatureZNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14545,7 +14545,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1SignatureZNo
        LDKCResult_CVec_SignatureZNoneZ* orig_conv = (LDKCResult_CVec_SignatureZNoneZ*)(orig & ~1);
        LDKCResult_CVec_SignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_SignatureZNoneZ), "LDKCResult_CVec_SignatureZNoneZ");
        *ret_conv = CResult_CVec_SignatureZNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14556,7 +14556,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDeco
        o_conv = ShutdownScript_clone(&o_conv);
        LDKCResult_ShutdownScriptDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptDecodeErrorZ), "LDKCResult_ShutdownScriptDecodeErrorZ");
        *ret_conv = CResult_ShutdownScriptDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14567,7 +14567,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDeco
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ShutdownScriptDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptDecodeErrorZ), "LDKCResult_ShutdownScriptDecodeErrorZ");
        *ret_conv = CResult_ShutdownScriptDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14588,11 +14588,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDecodeE
 static inline uintptr_t CResult_ShutdownScriptDecodeErrorZ_clone_ptr(LDKCResult_ShutdownScriptDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ShutdownScriptDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptDecodeErrorZ), "LDKCResult_ShutdownScriptDecodeErrorZ");
        *ret_conv = CResult_ShutdownScriptDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ShutdownScriptDecodeErrorZ* arg_conv = (LDKCResult_ShutdownScriptDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ShutdownScriptDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ShutdownScriptDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14600,7 +14600,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDeco
        LDKCResult_ShutdownScriptDecodeErrorZ* orig_conv = (LDKCResult_ShutdownScriptDecodeErrorZ*)(orig & ~1);
        LDKCResult_ShutdownScriptDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptDecodeErrorZ), "LDKCResult_ShutdownScriptDecodeErrorZ");
        *ret_conv = CResult_ShutdownScriptDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14611,7 +14611,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInva
        o_conv = ShutdownScript_clone(&o_conv);
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptInvalidShutdownScriptZ), "LDKCResult_ShutdownScriptInvalidShutdownScriptZ");
        *ret_conv = CResult_ShutdownScriptInvalidShutdownScriptZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14622,7 +14622,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInva
        e_conv = InvalidShutdownScript_clone(&e_conv);
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptInvalidShutdownScriptZ), "LDKCResult_ShutdownScriptInvalidShutdownScriptZ");
        *ret_conv = CResult_ShutdownScriptInvalidShutdownScriptZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14643,11 +14643,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalid
 static inline uintptr_t CResult_ShutdownScriptInvalidShutdownScriptZ_clone_ptr(LDKCResult_ShutdownScriptInvalidShutdownScriptZ *NONNULL_PTR arg) {
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptInvalidShutdownScriptZ), "LDKCResult_ShutdownScriptInvalidShutdownScriptZ");
        *ret_conv = CResult_ShutdownScriptInvalidShutdownScriptZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* arg_conv = (LDKCResult_ShutdownScriptInvalidShutdownScriptZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ShutdownScriptInvalidShutdownScriptZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ShutdownScriptInvalidShutdownScriptZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14655,20 +14655,20 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInva
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* orig_conv = (LDKCResult_ShutdownScriptInvalidShutdownScriptZ*)(orig & ~1);
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptInvalidShutdownScriptZ), "LDKCResult_ShutdownScriptInvalidShutdownScriptZ");
        *ret_conv = CResult_ShutdownScriptInvalidShutdownScriptZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneErrorZ_1ok(JNIEnv *env, jclass clz) {
        LDKCResult_NoneErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneErrorZ), "LDKCResult_NoneErrorZ");
        *ret_conv = CResult_NoneErrorZ_ok();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKIOError e_conv = LDKIOError_from_java(env, e);
        LDKCResult_NoneErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneErrorZ), "LDKCResult_NoneErrorZ");
        *ret_conv = CResult_NoneErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NoneErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14689,11 +14689,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneErrorZ_1free(JNIE
 static inline uintptr_t CResult_NoneErrorZ_clone_ptr(LDKCResult_NoneErrorZ *NONNULL_PTR arg) {
        LDKCResult_NoneErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneErrorZ), "LDKCResult_NoneErrorZ");
        *ret_conv = CResult_NoneErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NoneErrorZ* arg_conv = (LDKCResult_NoneErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NoneErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NoneErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14701,7 +14701,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneErrorZ_1clone(
        LDKCResult_NoneErrorZ* orig_conv = (LDKCResult_NoneErrorZ*)(orig & ~1);
        LDKCResult_NoneErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneErrorZ), "LDKCResult_NoneErrorZ");
        *ret_conv = CResult_NoneErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14712,7 +14712,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErro
        o_conv = RouteHop_clone(&o_conv);
        LDKCResult_RouteHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHopDecodeErrorZ), "LDKCResult_RouteHopDecodeErrorZ");
        *ret_conv = CResult_RouteHopDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14723,7 +14723,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErro
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_RouteHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHopDecodeErrorZ), "LDKCResult_RouteHopDecodeErrorZ");
        *ret_conv = CResult_RouteHopDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14744,11 +14744,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErrorZ_
 static inline uintptr_t CResult_RouteHopDecodeErrorZ_clone_ptr(LDKCResult_RouteHopDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_RouteHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHopDecodeErrorZ), "LDKCResult_RouteHopDecodeErrorZ");
        *ret_conv = CResult_RouteHopDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_RouteHopDecodeErrorZ* arg_conv = (LDKCResult_RouteHopDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_RouteHopDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_RouteHopDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14756,7 +14756,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErro
        LDKCResult_RouteHopDecodeErrorZ* orig_conv = (LDKCResult_RouteHopDecodeErrorZ*)(orig & ~1);
        LDKCResult_RouteHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHopDecodeErrorZ), "LDKCResult_RouteHopDecodeErrorZ");
        *ret_conv = CResult_RouteHopDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1RouteHopZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -14817,7 +14817,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_
        o_conv = Route_clone(&o_conv);
        LDKCResult_RouteDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteDecodeErrorZ), "LDKCResult_RouteDecodeErrorZ");
        *ret_conv = CResult_RouteDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14828,7 +14828,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_RouteDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteDecodeErrorZ), "LDKCResult_RouteDecodeErrorZ");
        *ret_conv = CResult_RouteDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14849,11 +14849,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_1fr
 static inline uintptr_t CResult_RouteDecodeErrorZ_clone_ptr(LDKCResult_RouteDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_RouteDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteDecodeErrorZ), "LDKCResult_RouteDecodeErrorZ");
        *ret_conv = CResult_RouteDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_RouteDecodeErrorZ* arg_conv = (LDKCResult_RouteDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_RouteDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_RouteDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14861,7 +14861,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_
        LDKCResult_RouteDecodeErrorZ* orig_conv = (LDKCResult_RouteDecodeErrorZ*)(orig & ~1);
        LDKCResult_RouteDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteDecodeErrorZ), "LDKCResult_RouteDecodeErrorZ");
        *ret_conv = CResult_RouteDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14872,7 +14872,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDec
        o_conv = RouteParameters_clone(&o_conv);
        LDKCResult_RouteParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteParametersDecodeErrorZ), "LDKCResult_RouteParametersDecodeErrorZ");
        *ret_conv = CResult_RouteParametersDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14883,7 +14883,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDec
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_RouteParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteParametersDecodeErrorZ), "LDKCResult_RouteParametersDecodeErrorZ");
        *ret_conv = CResult_RouteParametersDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14904,11 +14904,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDecode
 static inline uintptr_t CResult_RouteParametersDecodeErrorZ_clone_ptr(LDKCResult_RouteParametersDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_RouteParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteParametersDecodeErrorZ), "LDKCResult_RouteParametersDecodeErrorZ");
        *ret_conv = CResult_RouteParametersDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_RouteParametersDecodeErrorZ* arg_conv = (LDKCResult_RouteParametersDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_RouteParametersDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_RouteParametersDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14916,7 +14916,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDec
        LDKCResult_RouteParametersDecodeErrorZ* orig_conv = (LDKCResult_RouteParametersDecodeErrorZ*)(orig & ~1);
        LDKCResult_RouteParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteParametersDecodeErrorZ), "LDKCResult_RouteParametersDecodeErrorZ");
        *ret_conv = CResult_RouteParametersDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1RouteHintZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -14942,14 +14942,14 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1RouteHintZ_1free(JNIEnv
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u64Z_1some(JNIEnv *env, jclass clz, int64_t o) {
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = COption_u64Z_some(o);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u64Z_1none(JNIEnv *env, jclass clz) {
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = COption_u64Z_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -14965,12 +14965,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1u64Z_1free(JNIEnv *en
 static inline uintptr_t COption_u64Z_clone_ptr(LDKCOption_u64Z *NONNULL_PTR arg) {
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = COption_u64Z_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1u64Z_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u64Z_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_u64Z* arg_conv = (LDKCOption_u64Z*)arg;
-       intptr_t ret_val = COption_u64Z_clone_ptr(arg_conv);
+       int64_t ret_val = COption_u64Z_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14978,7 +14978,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u64Z_1clone(JNIEnv
        LDKCOption_u64Z* orig_conv = (LDKCOption_u64Z*)orig;
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = COption_u64Z_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -14990,7 +14990,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersD
        o_conv = PaymentParameters_clone(&o_conv);
        LDKCResult_PaymentParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentParametersDecodeErrorZ), "LDKCResult_PaymentParametersDecodeErrorZ");
        *ret_conv = CResult_PaymentParametersDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15001,7 +15001,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersD
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_PaymentParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentParametersDecodeErrorZ), "LDKCResult_PaymentParametersDecodeErrorZ");
        *ret_conv = CResult_PaymentParametersDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15022,11 +15022,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersDeco
 static inline uintptr_t CResult_PaymentParametersDecodeErrorZ_clone_ptr(LDKCResult_PaymentParametersDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_PaymentParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentParametersDecodeErrorZ), "LDKCResult_PaymentParametersDecodeErrorZ");
        *ret_conv = CResult_PaymentParametersDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PaymentParametersDecodeErrorZ* arg_conv = (LDKCResult_PaymentParametersDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PaymentParametersDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PaymentParametersDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15034,7 +15034,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersD
        LDKCResult_PaymentParametersDecodeErrorZ* orig_conv = (LDKCResult_PaymentParametersDecodeErrorZ*)(orig & ~1);
        LDKCResult_PaymentParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentParametersDecodeErrorZ), "LDKCResult_PaymentParametersDecodeErrorZ");
        *ret_conv = CResult_PaymentParametersDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1RouteHintHopZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -15065,7 +15065,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErr
        o_conv = RouteHint_clone(&o_conv);
        LDKCResult_RouteHintDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintDecodeErrorZ), "LDKCResult_RouteHintDecodeErrorZ");
        *ret_conv = CResult_RouteHintDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15076,7 +15076,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErr
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_RouteHintDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintDecodeErrorZ), "LDKCResult_RouteHintDecodeErrorZ");
        *ret_conv = CResult_RouteHintDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15097,11 +15097,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErrorZ
 static inline uintptr_t CResult_RouteHintDecodeErrorZ_clone_ptr(LDKCResult_RouteHintDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_RouteHintDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintDecodeErrorZ), "LDKCResult_RouteHintDecodeErrorZ");
        *ret_conv = CResult_RouteHintDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_RouteHintDecodeErrorZ* arg_conv = (LDKCResult_RouteHintDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_RouteHintDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_RouteHintDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15109,7 +15109,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErr
        LDKCResult_RouteHintDecodeErrorZ* orig_conv = (LDKCResult_RouteHintDecodeErrorZ*)(orig & ~1);
        LDKCResult_RouteHintDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintDecodeErrorZ), "LDKCResult_RouteHintDecodeErrorZ");
        *ret_conv = CResult_RouteHintDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15120,7 +15120,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecode
        o_conv = RouteHintHop_clone(&o_conv);
        LDKCResult_RouteHintHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintHopDecodeErrorZ), "LDKCResult_RouteHintHopDecodeErrorZ");
        *ret_conv = CResult_RouteHintHopDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15131,7 +15131,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecode
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_RouteHintHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintHopDecodeErrorZ), "LDKCResult_RouteHintHopDecodeErrorZ");
        *ret_conv = CResult_RouteHintHopDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15152,11 +15152,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecodeErr
 static inline uintptr_t CResult_RouteHintHopDecodeErrorZ_clone_ptr(LDKCResult_RouteHintHopDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_RouteHintHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintHopDecodeErrorZ), "LDKCResult_RouteHintHopDecodeErrorZ");
        *ret_conv = CResult_RouteHintHopDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_RouteHintHopDecodeErrorZ* arg_conv = (LDKCResult_RouteHintHopDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_RouteHintHopDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_RouteHintHopDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15164,7 +15164,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecode
        LDKCResult_RouteHintHopDecodeErrorZ* orig_conv = (LDKCResult_RouteHintHopDecodeErrorZ*)(orig & ~1);
        LDKCResult_RouteHintHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintHopDecodeErrorZ), "LDKCResult_RouteHintHopDecodeErrorZ");
        *ret_conv = CResult_RouteHintHopDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1ChannelDetailsZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -15195,7 +15195,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErro
        o_conv = Route_clone(&o_conv);
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = CResult_RouteLightningErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15206,7 +15206,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErro
        e_conv = LightningError_clone(&e_conv);
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = CResult_RouteLightningErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15227,11 +15227,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErrorZ_
 static inline uintptr_t CResult_RouteLightningErrorZ_clone_ptr(LDKCResult_RouteLightningErrorZ *NONNULL_PTR arg) {
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = CResult_RouteLightningErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_RouteLightningErrorZ* arg_conv = (LDKCResult_RouteLightningErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_RouteLightningErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_RouteLightningErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15239,7 +15239,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErro
        LDKCResult_RouteLightningErrorZ* orig_conv = (LDKCResult_RouteLightningErrorZ*)(orig & ~1);
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = CResult_RouteLightningErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15249,14 +15249,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_
        o_conv = TxOut_clone((LDKTxOut*)(((uintptr_t)o) & ~1));
        LDKCResult_TxOutAccessErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxOutAccessErrorZ), "LDKCResult_TxOutAccessErrorZ");
        *ret_conv = CResult_TxOutAccessErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKAccessError e_conv = LDKAccessError_from_java(env, e);
        LDKCResult_TxOutAccessErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxOutAccessErrorZ), "LDKCResult_TxOutAccessErrorZ");
        *ret_conv = CResult_TxOutAccessErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15277,11 +15277,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_1fr
 static inline uintptr_t CResult_TxOutAccessErrorZ_clone_ptr(LDKCResult_TxOutAccessErrorZ *NONNULL_PTR arg) {
        LDKCResult_TxOutAccessErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxOutAccessErrorZ), "LDKCResult_TxOutAccessErrorZ");
        *ret_conv = CResult_TxOutAccessErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_TxOutAccessErrorZ* arg_conv = (LDKCResult_TxOutAccessErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_TxOutAccessErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_TxOutAccessErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15289,17 +15289,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_
        LDKCResult_TxOutAccessErrorZ* orig_conv = (LDKCResult_TxOutAccessErrorZ*)(orig & ~1);
        LDKCResult_TxOutAccessErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxOutAccessErrorZ), "LDKCResult_TxOutAccessErrorZ");
        *ret_conv = CResult_TxOutAccessErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static inline uintptr_t C2Tuple_usizeTransactionZ_clone_ptr(LDKC2Tuple_usizeTransactionZ *NONNULL_PTR arg) {
        LDKC2Tuple_usizeTransactionZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_usizeTransactionZ), "LDKC2Tuple_usizeTransactionZ");
        *ret_conv = C2Tuple_usizeTransactionZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_usizeTransactionZ* arg_conv = (LDKC2Tuple_usizeTransactionZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_usizeTransactionZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_usizeTransactionZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15307,10 +15307,10 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_
        LDKC2Tuple_usizeTransactionZ* orig_conv = (LDKC2Tuple_usizeTransactionZ*)(orig & ~1);
        LDKC2Tuple_usizeTransactionZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_usizeTransactionZ), "LDKC2Tuple_usizeTransactionZ");
        *ret_conv = C2Tuple_usizeTransactionZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_1new(JNIEnv *env, jclass clz, intptr_t a, int8_tArray b) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_1new(JNIEnv *env, jclass clz, int64_t a, int8_tArray b) {
        LDKTransaction b_ref;
        b_ref.datalen = (*env)->GetArrayLength(env, b);
        b_ref.data = MALLOC(b_ref.datalen, "LDKTransaction Bytes");
@@ -15318,7 +15318,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_
        b_ref.data_is_owned = true;
        LDKC2Tuple_usizeTransactionZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_usizeTransactionZ), "LDKC2Tuple_usizeTransactionZ");
        *ret_conv = C2Tuple_usizeTransactionZ_new(a, b_ref);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -15370,14 +15370,14 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1TxidZ_1free(JNIEnv *env,
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneChannelMonitorUpdateErrZ_1ok(JNIEnv *env, jclass clz) {
        LDKCResult_NoneChannelMonitorUpdateErrZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneChannelMonitorUpdateErrZ), "LDKCResult_NoneChannelMonitorUpdateErrZ");
        *ret_conv = CResult_NoneChannelMonitorUpdateErrZ_ok();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneChannelMonitorUpdateErrZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKChannelMonitorUpdateErr e_conv = LDKChannelMonitorUpdateErr_from_java(env, e);
        LDKCResult_NoneChannelMonitorUpdateErrZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneChannelMonitorUpdateErrZ), "LDKCResult_NoneChannelMonitorUpdateErrZ");
        *ret_conv = CResult_NoneChannelMonitorUpdateErrZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NoneChannelMonitorUpdateErrZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15398,11 +15398,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneChannelMonitorUpd
 static inline uintptr_t CResult_NoneChannelMonitorUpdateErrZ_clone_ptr(LDKCResult_NoneChannelMonitorUpdateErrZ *NONNULL_PTR arg) {
        LDKCResult_NoneChannelMonitorUpdateErrZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneChannelMonitorUpdateErrZ), "LDKCResult_NoneChannelMonitorUpdateErrZ");
        *ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneChannelMonitorUpdateErrZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneChannelMonitorUpdateErrZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NoneChannelMonitorUpdateErrZ* arg_conv = (LDKCResult_NoneChannelMonitorUpdateErrZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NoneChannelMonitorUpdateErrZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NoneChannelMonitorUpdateErrZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15410,7 +15410,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneChannelMonitor
        LDKCResult_NoneChannelMonitorUpdateErrZ* orig_conv = (LDKCResult_NoneChannelMonitorUpdateErrZ*)(orig & ~1);
        LDKCResult_NoneChannelMonitorUpdateErrZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneChannelMonitorUpdateErrZ), "LDKCResult_NoneChannelMonitorUpdateErrZ");
        *ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1MonitorEventZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -15440,14 +15440,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTran
        o_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uintptr_t)o) & ~1));
        LDKCOption_C2Tuple_usizeTransactionZZ *ret_copy = MALLOC(sizeof(LDKCOption_C2Tuple_usizeTransactionZZ), "LDKCOption_C2Tuple_usizeTransactionZZ");
        *ret_copy = COption_C2Tuple_usizeTransactionZZ_some(o_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTransactionZZ_1none(JNIEnv *env, jclass clz) {
        LDKCOption_C2Tuple_usizeTransactionZZ *ret_copy = MALLOC(sizeof(LDKCOption_C2Tuple_usizeTransactionZZ), "LDKCOption_C2Tuple_usizeTransactionZZ");
        *ret_copy = COption_C2Tuple_usizeTransactionZZ_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -15463,12 +15463,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTransac
 static inline uintptr_t COption_C2Tuple_usizeTransactionZZ_clone_ptr(LDKCOption_C2Tuple_usizeTransactionZZ *NONNULL_PTR arg) {
        LDKCOption_C2Tuple_usizeTransactionZZ *ret_copy = MALLOC(sizeof(LDKCOption_C2Tuple_usizeTransactionZZ), "LDKCOption_C2Tuple_usizeTransactionZZ");
        *ret_copy = COption_C2Tuple_usizeTransactionZZ_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTransactionZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTransactionZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_C2Tuple_usizeTransactionZZ* arg_conv = (LDKCOption_C2Tuple_usizeTransactionZZ*)arg;
-       intptr_t ret_val = COption_C2Tuple_usizeTransactionZZ_clone_ptr(arg_conv);
+       int64_t ret_val = COption_C2Tuple_usizeTransactionZZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15476,7 +15476,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTran
        LDKCOption_C2Tuple_usizeTransactionZZ* orig_conv = (LDKCOption_C2Tuple_usizeTransactionZZ*)orig;
        LDKCOption_C2Tuple_usizeTransactionZZ *ret_copy = MALLOC(sizeof(LDKCOption_C2Tuple_usizeTransactionZZ), "LDKCOption_C2Tuple_usizeTransactionZZ");
        *ret_copy = COption_C2Tuple_usizeTransactionZZ_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -15487,14 +15487,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1ClosureReasonZ_1so
        o_conv = ClosureReason_clone((LDKClosureReason*)(((uintptr_t)o) & ~1));
        LDKCOption_ClosureReasonZ *ret_copy = MALLOC(sizeof(LDKCOption_ClosureReasonZ), "LDKCOption_ClosureReasonZ");
        *ret_copy = COption_ClosureReasonZ_some(o_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1ClosureReasonZ_1none(JNIEnv *env, jclass clz) {
        LDKCOption_ClosureReasonZ *ret_copy = MALLOC(sizeof(LDKCOption_ClosureReasonZ), "LDKCOption_ClosureReasonZ");
        *ret_copy = COption_ClosureReasonZ_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -15510,12 +15510,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1ClosureReasonZ_1free(
 static inline uintptr_t COption_ClosureReasonZ_clone_ptr(LDKCOption_ClosureReasonZ *NONNULL_PTR arg) {
        LDKCOption_ClosureReasonZ *ret_copy = MALLOC(sizeof(LDKCOption_ClosureReasonZ), "LDKCOption_ClosureReasonZ");
        *ret_copy = COption_ClosureReasonZ_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1ClosureReasonZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1ClosureReasonZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_ClosureReasonZ* arg_conv = (LDKCOption_ClosureReasonZ*)arg;
-       intptr_t ret_val = COption_ClosureReasonZ_clone_ptr(arg_conv);
+       int64_t ret_val = COption_ClosureReasonZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15523,7 +15523,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1ClosureReasonZ_1cl
        LDKCOption_ClosureReasonZ* orig_conv = (LDKCOption_ClosureReasonZ*)orig;
        LDKCOption_ClosureReasonZ *ret_copy = MALLOC(sizeof(LDKCOption_ClosureReasonZ), "LDKCOption_ClosureReasonZ");
        *ret_copy = COption_ClosureReasonZ_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -15534,7 +15534,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureRe
        o_conv = COption_ClosureReasonZ_clone((LDKCOption_ClosureReasonZ*)(((uintptr_t)o) & ~1));
        LDKCResult_COption_ClosureReasonZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_ClosureReasonZDecodeErrorZ), "LDKCResult_COption_ClosureReasonZDecodeErrorZ");
        *ret_conv = CResult_COption_ClosureReasonZDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureReasonZDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15545,7 +15545,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureRe
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_COption_ClosureReasonZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_ClosureReasonZDecodeErrorZ), "LDKCResult_COption_ClosureReasonZDecodeErrorZ");
        *ret_conv = CResult_COption_ClosureReasonZDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureReasonZDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15566,11 +15566,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureReaso
 static inline uintptr_t CResult_COption_ClosureReasonZDecodeErrorZ_clone_ptr(LDKCResult_COption_ClosureReasonZDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_COption_ClosureReasonZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_ClosureReasonZDecodeErrorZ), "LDKCResult_COption_ClosureReasonZDecodeErrorZ");
        *ret_conv = CResult_COption_ClosureReasonZDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureReasonZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureReasonZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_COption_ClosureReasonZDecodeErrorZ* arg_conv = (LDKCResult_COption_ClosureReasonZDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_COption_ClosureReasonZDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_COption_ClosureReasonZDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15578,7 +15578,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureRe
        LDKCResult_COption_ClosureReasonZDecodeErrorZ* orig_conv = (LDKCResult_COption_ClosureReasonZDecodeErrorZ*)(orig & ~1);
        LDKCResult_COption_ClosureReasonZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_ClosureReasonZDecodeErrorZ), "LDKCResult_COption_ClosureReasonZDecodeErrorZ");
        *ret_conv = CResult_COption_ClosureReasonZDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1some(JNIEnv *env, jclass clz, int64_t o) {
@@ -15588,14 +15588,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1so
        o_conv = NetworkUpdate_clone((LDKNetworkUpdate*)(((uintptr_t)o) & ~1));
        LDKCOption_NetworkUpdateZ *ret_copy = MALLOC(sizeof(LDKCOption_NetworkUpdateZ), "LDKCOption_NetworkUpdateZ");
        *ret_copy = COption_NetworkUpdateZ_some(o_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1none(JNIEnv *env, jclass clz) {
        LDKCOption_NetworkUpdateZ *ret_copy = MALLOC(sizeof(LDKCOption_NetworkUpdateZ), "LDKCOption_NetworkUpdateZ");
        *ret_copy = COption_NetworkUpdateZ_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -15611,12 +15611,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1free(
 static inline uintptr_t COption_NetworkUpdateZ_clone_ptr(LDKCOption_NetworkUpdateZ *NONNULL_PTR arg) {
        LDKCOption_NetworkUpdateZ *ret_copy = MALLOC(sizeof(LDKCOption_NetworkUpdateZ), "LDKCOption_NetworkUpdateZ");
        *ret_copy = COption_NetworkUpdateZ_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_NetworkUpdateZ* arg_conv = (LDKCOption_NetworkUpdateZ*)arg;
-       intptr_t ret_val = COption_NetworkUpdateZ_clone_ptr(arg_conv);
+       int64_t ret_val = COption_NetworkUpdateZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15624,7 +15624,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1cl
        LDKCOption_NetworkUpdateZ* orig_conv = (LDKCOption_NetworkUpdateZ*)orig;
        LDKCOption_NetworkUpdateZ *ret_copy = MALLOC(sizeof(LDKCOption_NetworkUpdateZ), "LDKCOption_NetworkUpdateZ");
        *ret_copy = COption_NetworkUpdateZ_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -15655,14 +15655,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1EventZ_1some(JNIEn
        o_conv = Event_clone((LDKEvent*)(((uintptr_t)o) & ~1));
        LDKCOption_EventZ *ret_copy = MALLOC(sizeof(LDKCOption_EventZ), "LDKCOption_EventZ");
        *ret_copy = COption_EventZ_some(o_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1EventZ_1none(JNIEnv *env, jclass clz) {
        LDKCOption_EventZ *ret_copy = MALLOC(sizeof(LDKCOption_EventZ), "LDKCOption_EventZ");
        *ret_copy = COption_EventZ_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -15678,12 +15678,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1EventZ_1free(JNIEnv *
 static inline uintptr_t COption_EventZ_clone_ptr(LDKCOption_EventZ *NONNULL_PTR arg) {
        LDKCOption_EventZ *ret_copy = MALLOC(sizeof(LDKCOption_EventZ), "LDKCOption_EventZ");
        *ret_copy = COption_EventZ_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1EventZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1EventZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_EventZ* arg_conv = (LDKCOption_EventZ*)arg;
-       intptr_t ret_val = COption_EventZ_clone_ptr(arg_conv);
+       int64_t ret_val = COption_EventZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15691,7 +15691,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1EventZ_1clone(JNIE
        LDKCOption_EventZ* orig_conv = (LDKCOption_EventZ*)orig;
        LDKCOption_EventZ *ret_copy = MALLOC(sizeof(LDKCOption_EventZ), "LDKCOption_EventZ");
        *ret_copy = COption_EventZ_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -15702,7 +15702,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDec
        o_conv = COption_EventZ_clone((LDKCOption_EventZ*)(((uintptr_t)o) & ~1));
        LDKCResult_COption_EventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_EventZDecodeErrorZ), "LDKCResult_COption_EventZDecodeErrorZ");
        *ret_conv = CResult_COption_EventZDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15713,7 +15713,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDec
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_COption_EventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_EventZDecodeErrorZ), "LDKCResult_COption_EventZDecodeErrorZ");
        *ret_conv = CResult_COption_EventZDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15734,11 +15734,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDecode
 static inline uintptr_t CResult_COption_EventZDecodeErrorZ_clone_ptr(LDKCResult_COption_EventZDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_COption_EventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_EventZDecodeErrorZ), "LDKCResult_COption_EventZDecodeErrorZ");
        *ret_conv = CResult_COption_EventZDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_COption_EventZDecodeErrorZ* arg_conv = (LDKCResult_COption_EventZDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_COption_EventZDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_COption_EventZDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15746,7 +15746,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDec
        LDKCResult_COption_EventZDecodeErrorZ* orig_conv = (LDKCResult_COption_EventZDecodeErrorZ*)(orig & ~1);
        LDKCResult_COption_EventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_EventZDecodeErrorZ), "LDKCResult_COption_EventZDecodeErrorZ");
        *ret_conv = CResult_COption_EventZDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1MessageSendEventZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -15777,7 +15777,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorer
        o_conv = FixedPenaltyScorer_clone(&o_conv);
        LDKCResult_FixedPenaltyScorerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FixedPenaltyScorerDecodeErrorZ), "LDKCResult_FixedPenaltyScorerDecodeErrorZ");
        *ret_conv = CResult_FixedPenaltyScorerDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorerDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15788,7 +15788,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorer
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_FixedPenaltyScorerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FixedPenaltyScorerDecodeErrorZ), "LDKCResult_FixedPenaltyScorerDecodeErrorZ");
        *ret_conv = CResult_FixedPenaltyScorerDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorerDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15809,11 +15809,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorerDec
 static inline uintptr_t CResult_FixedPenaltyScorerDecodeErrorZ_clone_ptr(LDKCResult_FixedPenaltyScorerDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_FixedPenaltyScorerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FixedPenaltyScorerDecodeErrorZ), "LDKCResult_FixedPenaltyScorerDecodeErrorZ");
        *ret_conv = CResult_FixedPenaltyScorerDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorerDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorerDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_FixedPenaltyScorerDecodeErrorZ* arg_conv = (LDKCResult_FixedPenaltyScorerDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_FixedPenaltyScorerDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_FixedPenaltyScorerDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15821,7 +15821,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorer
        LDKCResult_FixedPenaltyScorerDecodeErrorZ* orig_conv = (LDKCResult_FixedPenaltyScorerDecodeErrorZ*)(orig & ~1);
        LDKCResult_FixedPenaltyScorerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FixedPenaltyScorerDecodeErrorZ), "LDKCResult_FixedPenaltyScorerDecodeErrorZ");
        *ret_conv = CResult_FixedPenaltyScorerDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15832,7 +15832,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersD
        o_conv = ScoringParameters_clone(&o_conv);
        LDKCResult_ScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ScoringParametersDecodeErrorZ), "LDKCResult_ScoringParametersDecodeErrorZ");
        *ret_conv = CResult_ScoringParametersDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15843,7 +15843,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersD
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ScoringParametersDecodeErrorZ), "LDKCResult_ScoringParametersDecodeErrorZ");
        *ret_conv = CResult_ScoringParametersDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15864,11 +15864,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersDeco
 static inline uintptr_t CResult_ScoringParametersDecodeErrorZ_clone_ptr(LDKCResult_ScoringParametersDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ScoringParametersDecodeErrorZ), "LDKCResult_ScoringParametersDecodeErrorZ");
        *ret_conv = CResult_ScoringParametersDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ScoringParametersDecodeErrorZ* arg_conv = (LDKCResult_ScoringParametersDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ScoringParametersDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ScoringParametersDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15876,7 +15876,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersD
        LDKCResult_ScoringParametersDecodeErrorZ* orig_conv = (LDKCResult_ScoringParametersDecodeErrorZ*)(orig & ~1);
        LDKCResult_ScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ScoringParametersDecodeErrorZ), "LDKCResult_ScoringParametersDecodeErrorZ");
        *ret_conv = CResult_ScoringParametersDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScorerDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15887,7 +15887,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScorerDecodeErrorZ
        // WARNING: we need a move here but no clone is available for LDKScorer
        LDKCResult_ScorerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ScorerDecodeErrorZ), "LDKCResult_ScorerDecodeErrorZ");
        *ret_conv = CResult_ScorerDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScorerDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15898,7 +15898,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScorerDecodeErrorZ
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ScorerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ScorerDecodeErrorZ), "LDKCResult_ScorerDecodeErrorZ");
        *ret_conv = CResult_ScorerDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ScorerDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15924,7 +15924,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScori
        o_conv = ProbabilisticScoringParameters_clone(&o_conv);
        LDKCResult_ProbabilisticScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ProbabilisticScoringParametersDecodeErrorZ), "LDKCResult_ProbabilisticScoringParametersDecodeErrorZ");
        *ret_conv = CResult_ProbabilisticScoringParametersDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScoringParametersDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15935,7 +15935,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScori
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ProbabilisticScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ProbabilisticScoringParametersDecodeErrorZ), "LDKCResult_ProbabilisticScoringParametersDecodeErrorZ");
        *ret_conv = CResult_ProbabilisticScoringParametersDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScoringParametersDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15956,11 +15956,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScoringP
 static inline uintptr_t CResult_ProbabilisticScoringParametersDecodeErrorZ_clone_ptr(LDKCResult_ProbabilisticScoringParametersDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ProbabilisticScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ProbabilisticScoringParametersDecodeErrorZ), "LDKCResult_ProbabilisticScoringParametersDecodeErrorZ");
        *ret_conv = CResult_ProbabilisticScoringParametersDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScoringParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScoringParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ProbabilisticScoringParametersDecodeErrorZ* arg_conv = (LDKCResult_ProbabilisticScoringParametersDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ProbabilisticScoringParametersDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ProbabilisticScoringParametersDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15968,7 +15968,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScori
        LDKCResult_ProbabilisticScoringParametersDecodeErrorZ* orig_conv = (LDKCResult_ProbabilisticScoringParametersDecodeErrorZ*)(orig & ~1);
        LDKCResult_ProbabilisticScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ProbabilisticScoringParametersDecodeErrorZ), "LDKCResult_ProbabilisticScoringParametersDecodeErrorZ");
        *ret_conv = CResult_ProbabilisticScoringParametersDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitFeaturesDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15979,7 +15979,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitFeaturesDecode
        o_conv = InitFeatures_clone(&o_conv);
        LDKCResult_InitFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InitFeaturesDecodeErrorZ), "LDKCResult_InitFeaturesDecodeErrorZ");
        *ret_conv = CResult_InitFeaturesDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitFeaturesDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15990,7 +15990,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitFeaturesDecode
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_InitFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InitFeaturesDecodeErrorZ), "LDKCResult_InitFeaturesDecodeErrorZ");
        *ret_conv = CResult_InitFeaturesDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1InitFeaturesDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16016,7 +16016,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelFeaturesDec
        o_conv = ChannelFeatures_clone(&o_conv);
        LDKCResult_ChannelFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelFeaturesDecodeErrorZ), "LDKCResult_ChannelFeaturesDecodeErrorZ");
        *ret_conv = CResult_ChannelFeaturesDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelFeaturesDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -16027,7 +16027,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelFeaturesDec
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelFeaturesDecodeErrorZ), "LDKCResult_ChannelFeaturesDecodeErrorZ");
        *ret_conv = CResult_ChannelFeaturesDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelFeaturesDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16053,7 +16053,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeFeaturesDecode
        o_conv = NodeFeatures_clone(&o_conv);
        LDKCResult_NodeFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeFeaturesDecodeErrorZ), "LDKCResult_NodeFeaturesDecodeErrorZ");
        *ret_conv = CResult_NodeFeaturesDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeFeaturesDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -16064,7 +16064,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeFeaturesDecode
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_NodeFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeFeaturesDecodeErrorZ), "LDKCResult_NodeFeaturesDecodeErrorZ");
        *ret_conv = CResult_NodeFeaturesDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NodeFeaturesDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16090,7 +16090,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceFeaturesDec
        o_conv = InvoiceFeatures_clone(&o_conv);
        LDKCResult_InvoiceFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceFeaturesDecodeErrorZ), "LDKCResult_InvoiceFeaturesDecodeErrorZ");
        *ret_conv = CResult_InvoiceFeaturesDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceFeaturesDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -16101,7 +16101,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceFeaturesDec
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_InvoiceFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceFeaturesDecodeErrorZ), "LDKCResult_InvoiceFeaturesDecodeErrorZ");
        *ret_conv = CResult_InvoiceFeaturesDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceFeaturesDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16127,7 +16127,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTypeFeature
        o_conv = ChannelTypeFeatures_clone(&o_conv);
        LDKCResult_ChannelTypeFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelTypeFeaturesDecodeErrorZ), "LDKCResult_ChannelTypeFeaturesDecodeErrorZ");
        *ret_conv = CResult_ChannelTypeFeaturesDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTypeFeaturesDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -16138,7 +16138,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTypeFeature
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelTypeFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelTypeFeaturesDecodeErrorZ), "LDKCResult_ChannelTypeFeaturesDecodeErrorZ");
        *ret_conv = CResult_ChannelTypeFeaturesDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTypeFeaturesDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16164,7 +16164,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutp
        o_conv = DelayedPaymentOutputDescriptor_clone(&o_conv);
        LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutputDescriptorDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -16175,7 +16175,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutp
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutputDescriptorDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16196,11 +16196,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutputD
 static inline uintptr_t CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_clone_ptr(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutputDescriptorDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutputDescriptorDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ* arg_conv = (LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16208,7 +16208,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutp
        LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ* orig_conv = (LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ*)(orig & ~1);
        LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutputDescriptorDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16219,7 +16219,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutpu
        o_conv = StaticPaymentOutputDescriptor_clone(&o_conv);
        LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_StaticPaymentOutputDescriptorDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutputDescriptorDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -16230,7 +16230,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutpu
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_StaticPaymentOutputDescriptorDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutputDescriptorDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16251,11 +16251,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutputDe
 static inline uintptr_t CResult_StaticPaymentOutputDescriptorDecodeErrorZ_clone_ptr(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_StaticPaymentOutputDescriptorDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutputDescriptorDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutputDescriptorDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ* arg_conv = (LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_StaticPaymentOutputDescriptorDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_StaticPaymentOutputDescriptorDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16263,7 +16263,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutpu
        LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ* orig_conv = (LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ*)(orig & ~1);
        LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_StaticPaymentOutputDescriptorDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDescriptorDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16273,7 +16273,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDes
        o_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uintptr_t)o) & ~1));
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SpendableOutputDescriptorDecodeErrorZ), "LDKCResult_SpendableOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_SpendableOutputDescriptorDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDescriptorDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -16284,7 +16284,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDes
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SpendableOutputDescriptorDecodeErrorZ), "LDKCResult_SpendableOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_SpendableOutputDescriptorDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDescriptorDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16305,11 +16305,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDescri
 static inline uintptr_t CResult_SpendableOutputDescriptorDecodeErrorZ_clone_ptr(LDKCResult_SpendableOutputDescriptorDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SpendableOutputDescriptorDecodeErrorZ), "LDKCResult_SpendableOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_SpendableOutputDescriptorDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDescriptorDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDescriptorDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* arg_conv = (LDKCResult_SpendableOutputDescriptorDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_SpendableOutputDescriptorDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_SpendableOutputDescriptorDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16317,7 +16317,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDes
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* orig_conv = (LDKCResult_SpendableOutputDescriptorDecodeErrorZ*)(orig & ~1);
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SpendableOutputDescriptorDecodeErrorZ), "LDKCResult_SpendableOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_SpendableOutputDescriptorDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1PaymentPreimageZ_1free(JNIEnv *env, jclass clz, jobjectArray _res) {
@@ -16340,11 +16340,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1PaymentPreimageZ_1free(J
 static inline uintptr_t C2Tuple_SignatureCVec_SignatureZZ_clone_ptr(LDKC2Tuple_SignatureCVec_SignatureZZ *NONNULL_PTR arg) {
        LDKC2Tuple_SignatureCVec_SignatureZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_SignatureCVec_SignatureZZ), "LDKC2Tuple_SignatureCVec_SignatureZZ");
        *ret_conv = C2Tuple_SignatureCVec_SignatureZZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureCVec_1SignatureZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureCVec_1SignatureZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_SignatureCVec_SignatureZZ* arg_conv = (LDKC2Tuple_SignatureCVec_SignatureZZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_SignatureCVec_SignatureZZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_SignatureCVec_SignatureZZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16352,7 +16352,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureCVec_1Sig
        LDKC2Tuple_SignatureCVec_SignatureZZ* orig_conv = (LDKC2Tuple_SignatureCVec_SignatureZZ*)(orig & ~1);
        LDKC2Tuple_SignatureCVec_SignatureZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_SignatureCVec_SignatureZZ), "LDKC2Tuple_SignatureCVec_SignatureZZ");
        *ret_conv = C2Tuple_SignatureCVec_SignatureZZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureCVec_1SignatureZZ_1new(JNIEnv *env, jclass clz, int8_tArray a, jobjectArray b) {
@@ -16374,7 +16374,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureCVec_1Sig
        }
        LDKC2Tuple_SignatureCVec_SignatureZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_SignatureCVec_SignatureZZ), "LDKC2Tuple_SignatureCVec_SignatureZZ");
        *ret_conv = C2Tuple_SignatureCVec_SignatureZZ_new(a_ref, b_constr);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureCVec_1SignatureZZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -16393,13 +16393,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1Signature
        o_conv = C2Tuple_SignatureCVec_SignatureZZ_clone((LDKC2Tuple_SignatureCVec_SignatureZZ*)(((uintptr_t)o) & ~1));
        LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ), "LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ");
        *ret_conv = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureCVec_1SignatureZZNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ), "LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ");
        *ret_conv = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureCVec_1SignatureZZNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16420,11 +16420,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureCVe
 static inline uintptr_t CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_clone_ptr(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ *NONNULL_PTR arg) {
        LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ), "LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ");
        *ret_conv = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureCVec_1SignatureZZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureCVec_1SignatureZZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ* arg_conv = (LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16432,7 +16432,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1Signature
        LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ* orig_conv = (LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(orig & ~1);
        LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ), "LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ");
        *ret_conv = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1ok(JNIEnv *env, jclass clz, int8_tArray o) {
@@ -16441,13 +16441,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1ok
        (*env)->GetByteArrayRegion(env, o, 0, 64, o_ref.compact_form);
        LDKCResult_SignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignatureNoneZ), "LDKCResult_SignatureNoneZ");
        *ret_conv = CResult_SignatureNoneZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_SignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignatureNoneZ), "LDKCResult_SignatureNoneZ");
        *ret_conv = CResult_SignatureNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16468,11 +16468,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1free(
 static inline uintptr_t CResult_SignatureNoneZ_clone_ptr(LDKCResult_SignatureNoneZ *NONNULL_PTR arg) {
        LDKCResult_SignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignatureNoneZ), "LDKCResult_SignatureNoneZ");
        *ret_conv = CResult_SignatureNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_SignatureNoneZ* arg_conv = (LDKCResult_SignatureNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_SignatureNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_SignatureNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16480,17 +16480,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1cl
        LDKCResult_SignatureNoneZ* orig_conv = (LDKCResult_SignatureNoneZ*)(orig & ~1);
        LDKCResult_SignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignatureNoneZ), "LDKCResult_SignatureNoneZ");
        *ret_conv = CResult_SignatureNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static inline uintptr_t C2Tuple_SignatureSignatureZ_clone_ptr(LDKC2Tuple_SignatureSignatureZ *NONNULL_PTR arg) {
        LDKC2Tuple_SignatureSignatureZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_SignatureSignatureZ), "LDKC2Tuple_SignatureSignatureZ");
        *ret_conv = C2Tuple_SignatureSignatureZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureSignatureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureSignatureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_SignatureSignatureZ* arg_conv = (LDKC2Tuple_SignatureSignatureZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_SignatureSignatureZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_SignatureSignatureZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16498,7 +16498,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureSignature
        LDKC2Tuple_SignatureSignatureZ* orig_conv = (LDKC2Tuple_SignatureSignatureZ*)(orig & ~1);
        LDKC2Tuple_SignatureSignatureZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_SignatureSignatureZ), "LDKC2Tuple_SignatureSignatureZ");
        *ret_conv = C2Tuple_SignatureSignatureZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureSignatureZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int8_tArray b) {
@@ -16510,7 +16510,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureSignature
        (*env)->GetByteArrayRegion(env, b, 0, 64, b_ref.compact_form);
        LDKC2Tuple_SignatureSignatureZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_SignatureSignatureZ), "LDKC2Tuple_SignatureSignatureZ");
        *ret_conv = C2Tuple_SignatureSignatureZ_new(a_ref, b_ref);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureSignatureZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -16529,13 +16529,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1Signature
        o_conv = C2Tuple_SignatureSignatureZ_clone((LDKC2Tuple_SignatureSignatureZ*)(((uintptr_t)o) & ~1));
        LDKCResult_C2Tuple_SignatureSignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureSignatureZNoneZ), "LDKCResult_C2Tuple_SignatureSignatureZNoneZ");
        *ret_conv = CResult_C2Tuple_SignatureSignatureZNoneZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureSignatureZNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_C2Tuple_SignatureSignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureSignatureZNoneZ), "LDKCResult_C2Tuple_SignatureSignatureZNoneZ");
        *ret_conv = CResult_C2Tuple_SignatureSignatureZNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureSignatureZNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16556,11 +16556,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureSig
 static inline uintptr_t CResult_C2Tuple_SignatureSignatureZNoneZ_clone_ptr(LDKCResult_C2Tuple_SignatureSignatureZNoneZ *NONNULL_PTR arg) {
        LDKCResult_C2Tuple_SignatureSignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureSignatureZNoneZ), "LDKCResult_C2Tuple_SignatureSignatureZNoneZ");
        *ret_conv = CResult_C2Tuple_SignatureSignatureZNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureSignatureZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureSignatureZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_C2Tuple_SignatureSignatureZNoneZ* arg_conv = (LDKCResult_C2Tuple_SignatureSignatureZNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_C2Tuple_SignatureSignatureZNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_C2Tuple_SignatureSignatureZNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16568,7 +16568,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1Signature
        LDKCResult_C2Tuple_SignatureSignatureZNoneZ* orig_conv = (LDKCResult_C2Tuple_SignatureSignatureZNoneZ*)(orig & ~1);
        LDKCResult_C2Tuple_SignatureSignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureSignatureZNoneZ), "LDKCResult_C2Tuple_SignatureSignatureZNoneZ");
        *ret_conv = CResult_C2Tuple_SignatureSignatureZNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyNoneZ_1ok(JNIEnv *env, jclass clz, int8_tArray o) {
@@ -16577,13 +16577,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyNoneZ_1ok
        (*env)->GetByteArrayRegion(env, o, 0, 32, o_ref.bytes);
        LDKCResult_SecretKeyNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyNoneZ), "LDKCResult_SecretKeyNoneZ");
        *ret_conv = CResult_SecretKeyNoneZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_SecretKeyNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyNoneZ), "LDKCResult_SecretKeyNoneZ");
        *ret_conv = CResult_SecretKeyNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16604,11 +16604,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyNoneZ_1free(
 static inline uintptr_t CResult_SecretKeyNoneZ_clone_ptr(LDKCResult_SecretKeyNoneZ *NONNULL_PTR arg) {
        LDKCResult_SecretKeyNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyNoneZ), "LDKCResult_SecretKeyNoneZ");
        *ret_conv = CResult_SecretKeyNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_SecretKeyNoneZ* arg_conv = (LDKCResult_SecretKeyNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_SecretKeyNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_SecretKeyNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16616,7 +16616,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyNoneZ_1cl
        LDKCResult_SecretKeyNoneZ* orig_conv = (LDKCResult_SecretKeyNoneZ*)(orig & ~1);
        LDKCResult_SecretKeyNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyNoneZ), "LDKCResult_SecretKeyNoneZ");
        *ret_conv = CResult_SecretKeyNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16629,7 +16629,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1
        }
        LDKCResult_SignDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SignDecodeErrorZ), "LDKCResult_SignDecodeErrorZ");
        *ret_conv = CResult_SignDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -16640,7 +16640,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_SignDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SignDecodeErrorZ), "LDKCResult_SignDecodeErrorZ");
        *ret_conv = CResult_SignDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16661,11 +16661,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1fre
 static inline uintptr_t CResult_SignDecodeErrorZ_clone_ptr(LDKCResult_SignDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_SignDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SignDecodeErrorZ), "LDKCResult_SignDecodeErrorZ");
        *ret_conv = CResult_SignDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_SignDecodeErrorZ* arg_conv = (LDKCResult_SignDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_SignDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_SignDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16673,7 +16673,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1
        LDKCResult_SignDecodeErrorZ* orig_conv = (LDKCResult_SignDecodeErrorZ*)(orig & ~1);
        LDKCResult_SignDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SignDecodeErrorZ), "LDKCResult_SignDecodeErrorZ");
        *ret_conv = CResult_SignDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1u5Z_1free(JNIEnv *env, jclass clz, jobjectArray _res) {
@@ -16699,13 +16699,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RecoverableSignatu
        (*env)->GetByteArrayRegion(env, o, 0, 68, o_ref.serialized_form);
        LDKCResult_RecoverableSignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_RecoverableSignatureNoneZ), "LDKCResult_RecoverableSignatureNoneZ");
        *ret_conv = CResult_RecoverableSignatureNoneZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RecoverableSignatureNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_RecoverableSignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_RecoverableSignatureNoneZ), "LDKCResult_RecoverableSignatureNoneZ");
        *ret_conv = CResult_RecoverableSignatureNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1RecoverableSignatureNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16726,11 +16726,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RecoverableSignatureN
 static inline uintptr_t CResult_RecoverableSignatureNoneZ_clone_ptr(LDKCResult_RecoverableSignatureNoneZ *NONNULL_PTR arg) {
        LDKCResult_RecoverableSignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_RecoverableSignatureNoneZ), "LDKCResult_RecoverableSignatureNoneZ");
        *ret_conv = CResult_RecoverableSignatureNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1RecoverableSignatureNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RecoverableSignatureNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_RecoverableSignatureNoneZ* arg_conv = (LDKCResult_RecoverableSignatureNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_RecoverableSignatureNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_RecoverableSignatureNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16738,7 +16738,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RecoverableSignatu
        LDKCResult_RecoverableSignatureNoneZ* orig_conv = (LDKCResult_RecoverableSignatureNoneZ*)(orig & ~1);
        LDKCResult_RecoverableSignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_RecoverableSignatureNoneZ), "LDKCResult_RecoverableSignatureNoneZ");
        *ret_conv = CResult_RecoverableSignatureNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1u8Z_1free(JNIEnv *env, jclass clz, int8_tArray _res) {
@@ -16784,13 +16784,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1CVec_1u8ZZNo
        }
        LDKCResult_CVec_CVec_u8ZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_CVec_u8ZZNoneZ), "LDKCResult_CVec_CVec_u8ZZNoneZ");
        *ret_conv = CResult_CVec_CVec_u8ZZNoneZ_ok(o_constr);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1CVec_1u8ZZNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_CVec_CVec_u8ZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_CVec_u8ZZNoneZ), "LDKCResult_CVec_CVec_u8ZZNoneZ");
        *ret_conv = CResult_CVec_CVec_u8ZZNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1CVec_1u8ZZNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16811,11 +16811,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1CVec_1u8ZZNoneZ
 static inline uintptr_t CResult_CVec_CVec_u8ZZNoneZ_clone_ptr(LDKCResult_CVec_CVec_u8ZZNoneZ *NONNULL_PTR arg) {
        LDKCResult_CVec_CVec_u8ZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_CVec_u8ZZNoneZ), "LDKCResult_CVec_CVec_u8ZZNoneZ");
        *ret_conv = CResult_CVec_CVec_u8ZZNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1CVec_1u8ZZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1CVec_1u8ZZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_CVec_CVec_u8ZZNoneZ* arg_conv = (LDKCResult_CVec_CVec_u8ZZNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_CVec_CVec_u8ZZNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_CVec_CVec_u8ZZNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16823,7 +16823,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1CVec_1u8ZZNo
        LDKCResult_CVec_CVec_u8ZZNoneZ* orig_conv = (LDKCResult_CVec_CVec_u8ZZNoneZ*)(orig & ~1);
        LDKCResult_CVec_CVec_u8ZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_CVec_u8ZZNoneZ), "LDKCResult_CVec_CVec_u8ZZNoneZ");
        *ret_conv = CResult_CVec_CVec_u8ZZNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16834,7 +16834,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDeco
        o_conv = InMemorySigner_clone(&o_conv);
        LDKCResult_InMemorySignerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InMemorySignerDecodeErrorZ), "LDKCResult_InMemorySignerDecodeErrorZ");
        *ret_conv = CResult_InMemorySignerDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -16845,7 +16845,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDeco
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_InMemorySignerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InMemorySignerDecodeErrorZ), "LDKCResult_InMemorySignerDecodeErrorZ");
        *ret_conv = CResult_InMemorySignerDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16866,11 +16866,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDecodeE
 static inline uintptr_t CResult_InMemorySignerDecodeErrorZ_clone_ptr(LDKCResult_InMemorySignerDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_InMemorySignerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InMemorySignerDecodeErrorZ), "LDKCResult_InMemorySignerDecodeErrorZ");
        *ret_conv = CResult_InMemorySignerDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_InMemorySignerDecodeErrorZ* arg_conv = (LDKCResult_InMemorySignerDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_InMemorySignerDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_InMemorySignerDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16878,7 +16878,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDeco
        LDKCResult_InMemorySignerDecodeErrorZ* orig_conv = (LDKCResult_InMemorySignerDecodeErrorZ*)(orig & ~1);
        LDKCResult_InMemorySignerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InMemorySignerDecodeErrorZ), "LDKCResult_InMemorySignerDecodeErrorZ");
        *ret_conv = CResult_InMemorySignerDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1TxOutZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -16909,13 +16909,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TransactionNoneZ_1
        o_ref.data_is_owned = true;
        LDKCResult_TransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TransactionNoneZ), "LDKCResult_TransactionNoneZ");
        *ret_conv = CResult_TransactionNoneZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TransactionNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_TransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TransactionNoneZ), "LDKCResult_TransactionNoneZ");
        *ret_conv = CResult_TransactionNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1TransactionNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16936,11 +16936,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TransactionNoneZ_1fre
 static inline uintptr_t CResult_TransactionNoneZ_clone_ptr(LDKCResult_TransactionNoneZ *NONNULL_PTR arg) {
        LDKCResult_TransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TransactionNoneZ), "LDKCResult_TransactionNoneZ");
        *ret_conv = CResult_TransactionNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1TransactionNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TransactionNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_TransactionNoneZ* arg_conv = (LDKCResult_TransactionNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_TransactionNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_TransactionNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16948,17 +16948,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TransactionNoneZ_1
        LDKCResult_TransactionNoneZ* orig_conv = (LDKCResult_TransactionNoneZ*)(orig & ~1);
        LDKCResult_TransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TransactionNoneZ), "LDKCResult_TransactionNoneZ");
        *ret_conv = CResult_TransactionNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static inline uintptr_t C2Tuple_BlockHashChannelMonitorZ_clone_ptr(LDKC2Tuple_BlockHashChannelMonitorZ *NONNULL_PTR arg) {
        LDKC2Tuple_BlockHashChannelMonitorZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelMonitorZ), "LDKC2Tuple_BlockHashChannelMonitorZ");
        *ret_conv = C2Tuple_BlockHashChannelMonitorZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMonitorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMonitorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_BlockHashChannelMonitorZ* arg_conv = (LDKC2Tuple_BlockHashChannelMonitorZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_BlockHashChannelMonitorZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_BlockHashChannelMonitorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16966,7 +16966,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMo
        LDKC2Tuple_BlockHashChannelMonitorZ* orig_conv = (LDKC2Tuple_BlockHashChannelMonitorZ*)(orig & ~1);
        LDKC2Tuple_BlockHashChannelMonitorZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelMonitorZ), "LDKC2Tuple_BlockHashChannelMonitorZ");
        *ret_conv = C2Tuple_BlockHashChannelMonitorZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMonitorZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_t b) {
@@ -16980,7 +16980,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMo
        b_conv = ChannelMonitor_clone(&b_conv);
        LDKC2Tuple_BlockHashChannelMonitorZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelMonitorZ), "LDKC2Tuple_BlockHashChannelMonitorZ");
        *ret_conv = C2Tuple_BlockHashChannelMonitorZ_new(a_ref, b_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMonitorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -17031,14 +17031,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1Blo
        (*env)->ReleaseLongArrayElements(env, o, o_vals, 0);
        LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ), "LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ");
        *ret_conv = CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_ok(o_constr);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1BlockHashChannelMonitorZZErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKIOError e_conv = LDKIOError_from_java(env, e);
        LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ), "LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ");
        *ret_conv = CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1BlockHashChannelMonitorZZErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17059,11 +17059,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1BlockH
 static inline uintptr_t CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_clone_ptr(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ *NONNULL_PTR arg) {
        LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ), "LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ");
        *ret_conv = CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1BlockHashChannelMonitorZZErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1BlockHashChannelMonitorZZErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ* arg_conv = (LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17071,20 +17071,20 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1Blo
        LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ* orig_conv = (LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ*)(orig & ~1);
        LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ), "LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ");
        *ret_conv = CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u16Z_1some(JNIEnv *env, jclass clz, int16_t o) {
        LDKCOption_u16Z *ret_copy = MALLOC(sizeof(LDKCOption_u16Z), "LDKCOption_u16Z");
        *ret_copy = COption_u16Z_some(o);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u16Z_1none(JNIEnv *env, jclass clz) {
        LDKCOption_u16Z *ret_copy = MALLOC(sizeof(LDKCOption_u16Z), "LDKCOption_u16Z");
        *ret_copy = COption_u16Z_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -17100,12 +17100,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1u16Z_1free(JNIEnv *en
 static inline uintptr_t COption_u16Z_clone_ptr(LDKCOption_u16Z *NONNULL_PTR arg) {
        LDKCOption_u16Z *ret_copy = MALLOC(sizeof(LDKCOption_u16Z), "LDKCOption_u16Z");
        *ret_copy = COption_u16Z_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1u16Z_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u16Z_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_u16Z* arg_conv = (LDKCOption_u16Z*)arg;
-       intptr_t ret_val = COption_u16Z_clone_ptr(arg_conv);
+       int64_t ret_val = COption_u16Z_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17113,14 +17113,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u16Z_1clone(JNIEnv
        LDKCOption_u16Z* orig_conv = (LDKCOption_u16Z*)orig;
        LDKCOption_u16Z *ret_copy = MALLOC(sizeof(LDKCOption_u16Z), "LDKCOption_u16Z");
        *ret_copy = COption_u16Z_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1ok(JNIEnv *env, jclass clz) {
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = CResult_NoneAPIErrorZ_ok();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17130,7 +17130,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1err
        e_conv = APIError_clone((LDKAPIError*)(((uintptr_t)e) & ~1));
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = CResult_NoneAPIErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17151,11 +17151,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1free(J
 static inline uintptr_t CResult_NoneAPIErrorZ_clone_ptr(LDKCResult_NoneAPIErrorZ *NONNULL_PTR arg) {
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = CResult_NoneAPIErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NoneAPIErrorZ* arg_conv = (LDKCResult_NoneAPIErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NoneAPIErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NoneAPIErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17163,7 +17163,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1clo
        LDKCResult_NoneAPIErrorZ* orig_conv = (LDKCResult_NoneAPIErrorZ*)(orig & ~1);
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = CResult_NoneAPIErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1CResult_1NoneAPIErrorZZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -17212,7 +17212,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1o
        (*env)->GetByteArrayRegion(env, o, 0, 32, o_ref.data);
        LDKCResult__u832APIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult__u832APIErrorZ), "LDKCResult__u832APIErrorZ");
        *ret_conv = CResult__u832APIErrorZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17222,7 +17222,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1e
        e_conv = APIError_clone((LDKAPIError*)(((uintptr_t)e) & ~1));
        LDKCResult__u832APIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult__u832APIErrorZ), "LDKCResult__u832APIErrorZ");
        *ret_conv = CResult__u832APIErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17243,11 +17243,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1free
 static inline uintptr_t CResult__u832APIErrorZ_clone_ptr(LDKCResult__u832APIErrorZ *NONNULL_PTR arg) {
        LDKCResult__u832APIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult__u832APIErrorZ), "LDKCResult__u832APIErrorZ");
        *ret_conv = CResult__u832APIErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult__u832APIErrorZ* arg_conv = (LDKCResult__u832APIErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult__u832APIErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult__u832APIErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17255,7 +17255,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1c
        LDKCResult__u832APIErrorZ* orig_conv = (LDKCResult__u832APIErrorZ*)(orig & ~1);
        LDKCResult__u832APIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult__u832APIErrorZ), "LDKCResult__u832APIErrorZ");
        *ret_conv = CResult__u832APIErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSendFailureZ_1ok(JNIEnv *env, jclass clz, int8_tArray o) {
@@ -17264,7 +17264,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSe
        (*env)->GetByteArrayRegion(env, o, 0, 32, o_ref.data);
        LDKCResult_PaymentIdPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentSendFailureZ), "LDKCResult_PaymentIdPaymentSendFailureZ");
        *ret_conv = CResult_PaymentIdPaymentSendFailureZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSendFailureZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17274,7 +17274,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSe
        e_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uintptr_t)e) & ~1));
        LDKCResult_PaymentIdPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentSendFailureZ), "LDKCResult_PaymentIdPaymentSendFailureZ");
        *ret_conv = CResult_PaymentIdPaymentSendFailureZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSendFailureZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17295,11 +17295,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSendF
 static inline uintptr_t CResult_PaymentIdPaymentSendFailureZ_clone_ptr(LDKCResult_PaymentIdPaymentSendFailureZ *NONNULL_PTR arg) {
        LDKCResult_PaymentIdPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentSendFailureZ), "LDKCResult_PaymentIdPaymentSendFailureZ");
        *ret_conv = CResult_PaymentIdPaymentSendFailureZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSendFailureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSendFailureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PaymentIdPaymentSendFailureZ* arg_conv = (LDKCResult_PaymentIdPaymentSendFailureZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PaymentIdPaymentSendFailureZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PaymentIdPaymentSendFailureZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17307,13 +17307,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSe
        LDKCResult_PaymentIdPaymentSendFailureZ* orig_conv = (LDKCResult_PaymentIdPaymentSendFailureZ*)(orig & ~1);
        LDKCResult_PaymentIdPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentSendFailureZ), "LDKCResult_PaymentIdPaymentSendFailureZ");
        *ret_conv = CResult_PaymentIdPaymentSendFailureZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFailureZ_1ok(JNIEnv *env, jclass clz) {
        LDKCResult_NonePaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePaymentSendFailureZ), "LDKCResult_NonePaymentSendFailureZ");
        *ret_conv = CResult_NonePaymentSendFailureZ_ok();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFailureZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17323,7 +17323,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFai
        e_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uintptr_t)e) & ~1));
        LDKCResult_NonePaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePaymentSendFailureZ), "LDKCResult_NonePaymentSendFailureZ");
        *ret_conv = CResult_NonePaymentSendFailureZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFailureZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17344,11 +17344,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFailur
 static inline uintptr_t CResult_NonePaymentSendFailureZ_clone_ptr(LDKCResult_NonePaymentSendFailureZ *NONNULL_PTR arg) {
        LDKCResult_NonePaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePaymentSendFailureZ), "LDKCResult_NonePaymentSendFailureZ");
        *ret_conv = CResult_NonePaymentSendFailureZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFailureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFailureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NonePaymentSendFailureZ* arg_conv = (LDKCResult_NonePaymentSendFailureZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NonePaymentSendFailureZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NonePaymentSendFailureZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17356,17 +17356,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFai
        LDKCResult_NonePaymentSendFailureZ* orig_conv = (LDKCResult_NonePaymentSendFailureZ*)(orig & ~1);
        LDKCResult_NonePaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePaymentSendFailureZ), "LDKCResult_NonePaymentSendFailureZ");
        *ret_conv = CResult_NonePaymentSendFailureZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static inline uintptr_t C2Tuple_PaymentHashPaymentIdZ_clone_ptr(LDKC2Tuple_PaymentHashPaymentIdZ *NONNULL_PTR arg) {
        LDKC2Tuple_PaymentHashPaymentIdZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentIdZ), "LDKC2Tuple_PaymentHashPaymentIdZ");
        *ret_conv = C2Tuple_PaymentHashPaymentIdZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentIdZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentIdZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_PaymentHashPaymentIdZ* arg_conv = (LDKC2Tuple_PaymentHashPaymentIdZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_PaymentHashPaymentIdZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_PaymentHashPaymentIdZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17374,7 +17374,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPayment
        LDKC2Tuple_PaymentHashPaymentIdZ* orig_conv = (LDKC2Tuple_PaymentHashPaymentIdZ*)(orig & ~1);
        LDKC2Tuple_PaymentHashPaymentIdZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentIdZ), "LDKC2Tuple_PaymentHashPaymentIdZ");
        *ret_conv = C2Tuple_PaymentHashPaymentIdZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentIdZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int8_tArray b) {
@@ -17386,7 +17386,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPayment
        (*env)->GetByteArrayRegion(env, b, 0, 32, b_ref.data);
        LDKC2Tuple_PaymentHashPaymentIdZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentIdZ), "LDKC2Tuple_PaymentHashPaymentIdZ");
        *ret_conv = C2Tuple_PaymentHashPaymentIdZ_new(a_ref, b_ref);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentIdZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -17405,7 +17405,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        o_conv = C2Tuple_PaymentHashPaymentIdZ_clone((LDKC2Tuple_PaymentHashPaymentIdZ*)(((uintptr_t)o) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ), "LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentIdZPaymentSendFailureZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17415,7 +17415,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        e_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uintptr_t)e) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ), "LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentIdZPaymentSendFailureZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17436,11 +17436,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashP
 static inline uintptr_t CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_clone_ptr(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ *NONNULL_PTR arg) {
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ), "LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentIdZPaymentSendFailureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentIdZPaymentSendFailureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* arg_conv = (LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ*)(arg & ~1);
-       intptr_t ret_val = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17448,7 +17448,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* orig_conv = (LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ*)(orig & ~1);
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ), "LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1NetAddressZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -17474,11 +17474,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1NetAddressZ_1free(JNIEnv
 static inline uintptr_t C2Tuple_PaymentHashPaymentSecretZ_clone_ptr(LDKC2Tuple_PaymentHashPaymentSecretZ *NONNULL_PTR arg) {
        LDKC2Tuple_PaymentHashPaymentSecretZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentSecretZ), "LDKC2Tuple_PaymentHashPaymentSecretZ");
        *ret_conv = C2Tuple_PaymentHashPaymentSecretZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentSecretZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentSecretZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_PaymentHashPaymentSecretZ* arg_conv = (LDKC2Tuple_PaymentHashPaymentSecretZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_PaymentHashPaymentSecretZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_PaymentHashPaymentSecretZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17486,7 +17486,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPayment
        LDKC2Tuple_PaymentHashPaymentSecretZ* orig_conv = (LDKC2Tuple_PaymentHashPaymentSecretZ*)(orig & ~1);
        LDKC2Tuple_PaymentHashPaymentSecretZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentSecretZ), "LDKC2Tuple_PaymentHashPaymentSecretZ");
        *ret_conv = C2Tuple_PaymentHashPaymentSecretZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentSecretZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int8_tArray b) {
@@ -17498,7 +17498,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPayment
        (*env)->GetByteArrayRegion(env, b, 0, 32, b_ref.data);
        LDKC2Tuple_PaymentHashPaymentSecretZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentSecretZ), "LDKC2Tuple_PaymentHashPaymentSecretZ");
        *ret_conv = C2Tuple_PaymentHashPaymentSecretZ_new(a_ref, b_ref);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentSecretZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -17517,13 +17517,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        o_conv = C2Tuple_PaymentHashPaymentSecretZ_clone((LDKC2Tuple_PaymentHashPaymentSecretZ*)(((uintptr_t)o) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentSecretZNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentSecretZNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17544,11 +17544,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashP
 static inline uintptr_t CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_clone_ptr(LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ *NONNULL_PTR arg) {
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentSecretZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentSecretZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ* arg_conv = (LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17556,7 +17556,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ* orig_conv = (LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ*)(orig & ~1);
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentSecretZAPIErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17566,7 +17566,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        o_conv = C2Tuple_PaymentHashPaymentSecretZ_clone((LDKC2Tuple_PaymentHashPaymentSecretZ*)(((uintptr_t)o) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentSecretZAPIErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17576,7 +17576,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        e_conv = APIError_clone((LDKAPIError*)(((uintptr_t)e) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentSecretZAPIErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17597,11 +17597,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashP
 static inline uintptr_t CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_clone_ptr(LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ *NONNULL_PTR arg) {
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentSecretZAPIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentSecretZAPIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ* arg_conv = (LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17609,7 +17609,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ* orig_conv = (LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ*)(orig & ~1);
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretNoneZ_1ok(JNIEnv *env, jclass clz, int8_tArray o) {
@@ -17618,13 +17618,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretNoneZ
        (*env)->GetByteArrayRegion(env, o, 0, 32, o_ref.data);
        LDKCResult_PaymentSecretNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretNoneZ), "LDKCResult_PaymentSecretNoneZ");
        *ret_conv = CResult_PaymentSecretNoneZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_PaymentSecretNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretNoneZ), "LDKCResult_PaymentSecretNoneZ");
        *ret_conv = CResult_PaymentSecretNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17645,11 +17645,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretNoneZ_1f
 static inline uintptr_t CResult_PaymentSecretNoneZ_clone_ptr(LDKCResult_PaymentSecretNoneZ *NONNULL_PTR arg) {
        LDKCResult_PaymentSecretNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretNoneZ), "LDKCResult_PaymentSecretNoneZ");
        *ret_conv = CResult_PaymentSecretNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PaymentSecretNoneZ* arg_conv = (LDKCResult_PaymentSecretNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PaymentSecretNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PaymentSecretNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17657,7 +17657,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretNoneZ
        LDKCResult_PaymentSecretNoneZ* orig_conv = (LDKCResult_PaymentSecretNoneZ*)(orig & ~1);
        LDKCResult_PaymentSecretNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretNoneZ), "LDKCResult_PaymentSecretNoneZ");
        *ret_conv = CResult_PaymentSecretNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIErrorZ_1ok(JNIEnv *env, jclass clz, int8_tArray o) {
@@ -17666,7 +17666,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIEr
        (*env)->GetByteArrayRegion(env, o, 0, 32, o_ref.data);
        LDKCResult_PaymentSecretAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretAPIErrorZ), "LDKCResult_PaymentSecretAPIErrorZ");
        *ret_conv = CResult_PaymentSecretAPIErrorZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17676,7 +17676,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIEr
        e_conv = APIError_clone((LDKAPIError*)(((uintptr_t)e) & ~1));
        LDKCResult_PaymentSecretAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretAPIErrorZ), "LDKCResult_PaymentSecretAPIErrorZ");
        *ret_conv = CResult_PaymentSecretAPIErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17697,11 +17697,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIError
 static inline uintptr_t CResult_PaymentSecretAPIErrorZ_clone_ptr(LDKCResult_PaymentSecretAPIErrorZ *NONNULL_PTR arg) {
        LDKCResult_PaymentSecretAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretAPIErrorZ), "LDKCResult_PaymentSecretAPIErrorZ");
        *ret_conv = CResult_PaymentSecretAPIErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PaymentSecretAPIErrorZ* arg_conv = (LDKCResult_PaymentSecretAPIErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PaymentSecretAPIErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PaymentSecretAPIErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17709,7 +17709,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIEr
        LDKCResult_PaymentSecretAPIErrorZ* orig_conv = (LDKCResult_PaymentSecretAPIErrorZ*)(orig & ~1);
        LDKCResult_PaymentSecretAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretAPIErrorZ), "LDKCResult_PaymentSecretAPIErrorZ");
        *ret_conv = CResult_PaymentSecretAPIErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPIErrorZ_1ok(JNIEnv *env, jclass clz, int8_tArray o) {
@@ -17718,7 +17718,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPI
        (*env)->GetByteArrayRegion(env, o, 0, 32, o_ref.data);
        LDKCResult_PaymentPreimageAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentPreimageAPIErrorZ), "LDKCResult_PaymentPreimageAPIErrorZ");
        *ret_conv = CResult_PaymentPreimageAPIErrorZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPIErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17728,7 +17728,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPI
        e_conv = APIError_clone((LDKAPIError*)(((uintptr_t)e) & ~1));
        LDKCResult_PaymentPreimageAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentPreimageAPIErrorZ), "LDKCResult_PaymentPreimageAPIErrorZ");
        *ret_conv = CResult_PaymentPreimageAPIErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPIErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17749,11 +17749,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPIErr
 static inline uintptr_t CResult_PaymentPreimageAPIErrorZ_clone_ptr(LDKCResult_PaymentPreimageAPIErrorZ *NONNULL_PTR arg) {
        LDKCResult_PaymentPreimageAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentPreimageAPIErrorZ), "LDKCResult_PaymentPreimageAPIErrorZ");
        *ret_conv = CResult_PaymentPreimageAPIErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PaymentPreimageAPIErrorZ* arg_conv = (LDKCResult_PaymentPreimageAPIErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PaymentPreimageAPIErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PaymentPreimageAPIErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17761,7 +17761,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPI
        LDKCResult_PaymentPreimageAPIErrorZ* orig_conv = (LDKCResult_PaymentPreimageAPIErrorZ*)(orig & ~1);
        LDKCResult_PaymentPreimageAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentPreimageAPIErrorZ), "LDKCResult_PaymentPreimageAPIErrorZ");
        *ret_conv = CResult_PaymentPreimageAPIErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwardingInfoDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17772,7 +17772,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwar
        o_conv = CounterpartyForwardingInfo_clone(&o_conv);
        LDKCResult_CounterpartyForwardingInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyForwardingInfoDecodeErrorZ), "LDKCResult_CounterpartyForwardingInfoDecodeErrorZ");
        *ret_conv = CResult_CounterpartyForwardingInfoDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwardingInfoDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17783,7 +17783,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwar
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_CounterpartyForwardingInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyForwardingInfoDecodeErrorZ), "LDKCResult_CounterpartyForwardingInfoDecodeErrorZ");
        *ret_conv = CResult_CounterpartyForwardingInfoDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwardingInfoDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17804,11 +17804,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwardin
 static inline uintptr_t CResult_CounterpartyForwardingInfoDecodeErrorZ_clone_ptr(LDKCResult_CounterpartyForwardingInfoDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_CounterpartyForwardingInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyForwardingInfoDecodeErrorZ), "LDKCResult_CounterpartyForwardingInfoDecodeErrorZ");
        *ret_conv = CResult_CounterpartyForwardingInfoDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwardingInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwardingInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_CounterpartyForwardingInfoDecodeErrorZ* arg_conv = (LDKCResult_CounterpartyForwardingInfoDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_CounterpartyForwardingInfoDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_CounterpartyForwardingInfoDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17816,7 +17816,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwar
        LDKCResult_CounterpartyForwardingInfoDecodeErrorZ* orig_conv = (LDKCResult_CounterpartyForwardingInfoDecodeErrorZ*)(orig & ~1);
        LDKCResult_CounterpartyForwardingInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyForwardingInfoDecodeErrorZ), "LDKCResult_CounterpartyForwardingInfoDecodeErrorZ");
        *ret_conv = CResult_CounterpartyForwardingInfoDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpartyDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17827,7 +17827,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpart
        o_conv = ChannelCounterparty_clone(&o_conv);
        LDKCResult_ChannelCounterpartyDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelCounterpartyDecodeErrorZ), "LDKCResult_ChannelCounterpartyDecodeErrorZ");
        *ret_conv = CResult_ChannelCounterpartyDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpartyDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17838,7 +17838,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpart
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelCounterpartyDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelCounterpartyDecodeErrorZ), "LDKCResult_ChannelCounterpartyDecodeErrorZ");
        *ret_conv = CResult_ChannelCounterpartyDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpartyDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17859,11 +17859,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpartyDe
 static inline uintptr_t CResult_ChannelCounterpartyDecodeErrorZ_clone_ptr(LDKCResult_ChannelCounterpartyDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelCounterpartyDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelCounterpartyDecodeErrorZ), "LDKCResult_ChannelCounterpartyDecodeErrorZ");
        *ret_conv = CResult_ChannelCounterpartyDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpartyDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpartyDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelCounterpartyDecodeErrorZ* arg_conv = (LDKCResult_ChannelCounterpartyDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelCounterpartyDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelCounterpartyDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17871,7 +17871,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpart
        LDKCResult_ChannelCounterpartyDecodeErrorZ* orig_conv = (LDKCResult_ChannelCounterpartyDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelCounterpartyDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelCounterpartyDecodeErrorZ), "LDKCResult_ChannelCounterpartyDecodeErrorZ");
        *ret_conv = CResult_ChannelCounterpartyDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17882,7 +17882,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDeco
        o_conv = ChannelDetails_clone(&o_conv);
        LDKCResult_ChannelDetailsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelDetailsDecodeErrorZ), "LDKCResult_ChannelDetailsDecodeErrorZ");
        *ret_conv = CResult_ChannelDetailsDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17893,7 +17893,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDeco
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelDetailsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelDetailsDecodeErrorZ), "LDKCResult_ChannelDetailsDecodeErrorZ");
        *ret_conv = CResult_ChannelDetailsDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17914,11 +17914,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDecodeE
 static inline uintptr_t CResult_ChannelDetailsDecodeErrorZ_clone_ptr(LDKCResult_ChannelDetailsDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelDetailsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelDetailsDecodeErrorZ), "LDKCResult_ChannelDetailsDecodeErrorZ");
        *ret_conv = CResult_ChannelDetailsDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelDetailsDecodeErrorZ* arg_conv = (LDKCResult_ChannelDetailsDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelDetailsDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelDetailsDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17926,7 +17926,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDeco
        LDKCResult_ChannelDetailsDecodeErrorZ* orig_conv = (LDKCResult_ChannelDetailsDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelDetailsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelDetailsDecodeErrorZ), "LDKCResult_ChannelDetailsDecodeErrorZ");
        *ret_conv = CResult_ChannelDetailsDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17937,7 +17937,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsD
        o_conv = PhantomRouteHints_clone(&o_conv);
        LDKCResult_PhantomRouteHintsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PhantomRouteHintsDecodeErrorZ), "LDKCResult_PhantomRouteHintsDecodeErrorZ");
        *ret_conv = CResult_PhantomRouteHintsDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17948,7 +17948,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsD
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_PhantomRouteHintsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PhantomRouteHintsDecodeErrorZ), "LDKCResult_PhantomRouteHintsDecodeErrorZ");
        *ret_conv = CResult_PhantomRouteHintsDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17969,11 +17969,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsDeco
 static inline uintptr_t CResult_PhantomRouteHintsDecodeErrorZ_clone_ptr(LDKCResult_PhantomRouteHintsDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_PhantomRouteHintsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PhantomRouteHintsDecodeErrorZ), "LDKCResult_PhantomRouteHintsDecodeErrorZ");
        *ret_conv = CResult_PhantomRouteHintsDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PhantomRouteHintsDecodeErrorZ* arg_conv = (LDKCResult_PhantomRouteHintsDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PhantomRouteHintsDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PhantomRouteHintsDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17981,7 +17981,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsD
        LDKCResult_PhantomRouteHintsDecodeErrorZ* orig_conv = (LDKCResult_PhantomRouteHintsDecodeErrorZ*)(orig & ~1);
        LDKCResult_PhantomRouteHintsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PhantomRouteHintsDecodeErrorZ), "LDKCResult_PhantomRouteHintsDecodeErrorZ");
        *ret_conv = CResult_PhantomRouteHintsDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1ChannelMonitorZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -18015,7 +18015,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMa
        // WARNING: we need a move here but no clone is available for LDKChannelManager
        LDKC2Tuple_BlockHashChannelManagerZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelManagerZ), "LDKC2Tuple_BlockHashChannelManagerZ");
        *ret_conv = C2Tuple_BlockHashChannelManagerZ_new(a_ref, b_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelManagerZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -18034,7 +18034,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHash
        // WARNING: we may need a move here but no clone is available for LDKC2Tuple_BlockHashChannelManagerZ
        LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ");
        *ret_conv = CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelManagerZDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -18045,7 +18045,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHash
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ");
        *ret_conv = CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelManagerZDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18071,7 +18071,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecod
        o_conv = ChannelConfig_clone(&o_conv);
        LDKCResult_ChannelConfigDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelConfigDecodeErrorZ), "LDKCResult_ChannelConfigDecodeErrorZ");
        *ret_conv = CResult_ChannelConfigDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -18082,7 +18082,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecod
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelConfigDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelConfigDecodeErrorZ), "LDKCResult_ChannelConfigDecodeErrorZ");
        *ret_conv = CResult_ChannelConfigDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18103,11 +18103,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecodeEr
 static inline uintptr_t CResult_ChannelConfigDecodeErrorZ_clone_ptr(LDKCResult_ChannelConfigDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelConfigDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelConfigDecodeErrorZ), "LDKCResult_ChannelConfigDecodeErrorZ");
        *ret_conv = CResult_ChannelConfigDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelConfigDecodeErrorZ* arg_conv = (LDKCResult_ChannelConfigDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelConfigDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelConfigDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18115,7 +18115,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecod
        LDKCResult_ChannelConfigDecodeErrorZ* orig_conv = (LDKCResult_ChannelConfigDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelConfigDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelConfigDecodeErrorZ), "LDKCResult_ChannelConfigDecodeErrorZ");
        *ret_conv = CResult_ChannelConfigDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18126,7 +18126,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErro
        o_conv = OutPoint_clone(&o_conv);
        LDKCResult_OutPointDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OutPointDecodeErrorZ), "LDKCResult_OutPointDecodeErrorZ");
        *ret_conv = CResult_OutPointDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -18137,7 +18137,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErro
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_OutPointDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OutPointDecodeErrorZ), "LDKCResult_OutPointDecodeErrorZ");
        *ret_conv = CResult_OutPointDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18158,11 +18158,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErrorZ_
 static inline uintptr_t CResult_OutPointDecodeErrorZ_clone_ptr(LDKCResult_OutPointDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_OutPointDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OutPointDecodeErrorZ), "LDKCResult_OutPointDecodeErrorZ");
        *ret_conv = CResult_OutPointDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_OutPointDecodeErrorZ* arg_conv = (LDKCResult_OutPointDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_OutPointDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_OutPointDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18170,7 +18170,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErro
        LDKCResult_OutPointDecodeErrorZ* orig_conv = (LDKCResult_OutPointDecodeErrorZ*)(orig & ~1);
        LDKCResult_OutPointDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OutPointDecodeErrorZ), "LDKCResult_OutPointDecodeErrorZ");
        *ret_conv = CResult_OutPointDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1some(JNIEnv *env, jclass clz, int64_t o) {
@@ -18183,14 +18183,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1some(JNIEnv
        }
        LDKCOption_TypeZ *ret_copy = MALLOC(sizeof(LDKCOption_TypeZ), "LDKCOption_TypeZ");
        *ret_copy = COption_TypeZ_some(o_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1none(JNIEnv *env, jclass clz) {
        LDKCOption_TypeZ *ret_copy = MALLOC(sizeof(LDKCOption_TypeZ), "LDKCOption_TypeZ");
        *ret_copy = COption_TypeZ_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -18206,12 +18206,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1free(JNIEnv *e
 static inline uintptr_t COption_TypeZ_clone_ptr(LDKCOption_TypeZ *NONNULL_PTR arg) {
        LDKCOption_TypeZ *ret_copy = MALLOC(sizeof(LDKCOption_TypeZ), "LDKCOption_TypeZ");
        *ret_copy = COption_TypeZ_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_TypeZ* arg_conv = (LDKCOption_TypeZ*)arg;
-       intptr_t ret_val = COption_TypeZ_clone_ptr(arg_conv);
+       int64_t ret_val = COption_TypeZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18219,7 +18219,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1clone(JNIEn
        LDKCOption_TypeZ* orig_conv = (LDKCOption_TypeZ*)orig;
        LDKCOption_TypeZ *ret_copy = MALLOC(sizeof(LDKCOption_TypeZ), "LDKCOption_TypeZ");
        *ret_copy = COption_TypeZ_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -18230,7 +18230,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDeco
        o_conv = COption_TypeZ_clone((LDKCOption_TypeZ*)(((uintptr_t)o) & ~1));
        LDKCResult_COption_TypeZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_TypeZDecodeErrorZ), "LDKCResult_COption_TypeZDecodeErrorZ");
        *ret_conv = CResult_COption_TypeZDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -18241,7 +18241,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDeco
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_COption_TypeZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_TypeZDecodeErrorZ), "LDKCResult_COption_TypeZDecodeErrorZ");
        *ret_conv = CResult_COption_TypeZDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18262,11 +18262,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDecodeE
 static inline uintptr_t CResult_COption_TypeZDecodeErrorZ_clone_ptr(LDKCResult_COption_TypeZDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_COption_TypeZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_TypeZDecodeErrorZ), "LDKCResult_COption_TypeZDecodeErrorZ");
        *ret_conv = CResult_COption_TypeZDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_COption_TypeZDecodeErrorZ* arg_conv = (LDKCResult_COption_TypeZDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_COption_TypeZDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_COption_TypeZDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18274,7 +18274,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDeco
        LDKCResult_COption_TypeZDecodeErrorZ* orig_conv = (LDKCResult_COption_TypeZDecodeErrorZ*)(orig & ~1);
        LDKCResult_COption_TypeZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_TypeZDecodeErrorZ), "LDKCResult_COption_TypeZDecodeErrorZ");
        *ret_conv = CResult_COption_TypeZDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentErrorZ_1ok(JNIEnv *env, jclass clz, int8_tArray o) {
@@ -18283,7 +18283,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentEr
        (*env)->GetByteArrayRegion(env, o, 0, 32, o_ref.data);
        LDKCResult_PaymentIdPaymentErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentErrorZ), "LDKCResult_PaymentIdPaymentErrorZ");
        *ret_conv = CResult_PaymentIdPaymentErrorZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -18293,7 +18293,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentEr
        e_conv = PaymentError_clone((LDKPaymentError*)(((uintptr_t)e) & ~1));
        LDKCResult_PaymentIdPaymentErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentErrorZ), "LDKCResult_PaymentIdPaymentErrorZ");
        *ret_conv = CResult_PaymentIdPaymentErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18314,11 +18314,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentError
 static inline uintptr_t CResult_PaymentIdPaymentErrorZ_clone_ptr(LDKCResult_PaymentIdPaymentErrorZ *NONNULL_PTR arg) {
        LDKCResult_PaymentIdPaymentErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentErrorZ), "LDKCResult_PaymentIdPaymentErrorZ");
        *ret_conv = CResult_PaymentIdPaymentErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PaymentIdPaymentErrorZ* arg_conv = (LDKCResult_PaymentIdPaymentErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PaymentIdPaymentErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PaymentIdPaymentErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18326,20 +18326,20 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentEr
        LDKCResult_PaymentIdPaymentErrorZ* orig_conv = (LDKCResult_PaymentIdPaymentErrorZ*)(orig & ~1);
        LDKCResult_PaymentIdPaymentErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentErrorZ), "LDKCResult_PaymentIdPaymentErrorZ");
        *ret_conv = CResult_PaymentIdPaymentErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SiPrefixNoneZ_1ok(JNIEnv *env, jclass clz, jclass o) {
        LDKSiPrefix o_conv = LDKSiPrefix_from_java(env, o);
        LDKCResult_SiPrefixNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SiPrefixNoneZ), "LDKCResult_SiPrefixNoneZ");
        *ret_conv = CResult_SiPrefixNoneZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SiPrefixNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_SiPrefixNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SiPrefixNoneZ), "LDKCResult_SiPrefixNoneZ");
        *ret_conv = CResult_SiPrefixNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1SiPrefixNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18360,11 +18360,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SiPrefixNoneZ_1free(J
 static inline uintptr_t CResult_SiPrefixNoneZ_clone_ptr(LDKCResult_SiPrefixNoneZ *NONNULL_PTR arg) {
        LDKCResult_SiPrefixNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SiPrefixNoneZ), "LDKCResult_SiPrefixNoneZ");
        *ret_conv = CResult_SiPrefixNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1SiPrefixNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SiPrefixNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_SiPrefixNoneZ* arg_conv = (LDKCResult_SiPrefixNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_SiPrefixNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_SiPrefixNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18372,7 +18372,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SiPrefixNoneZ_1clo
        LDKCResult_SiPrefixNoneZ* orig_conv = (LDKCResult_SiPrefixNoneZ*)(orig & ~1);
        LDKCResult_SiPrefixNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SiPrefixNoneZ), "LDKCResult_SiPrefixNoneZ");
        *ret_conv = CResult_SiPrefixNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18383,13 +18383,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1ok(J
        o_conv = Invoice_clone(&o_conv);
        LDKCResult_InvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceNoneZ), "LDKCResult_InvoiceNoneZ");
        *ret_conv = CResult_InvoiceNoneZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_InvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceNoneZ), "LDKCResult_InvoiceNoneZ");
        *ret_conv = CResult_InvoiceNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18410,11 +18410,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1free(JN
 static inline uintptr_t CResult_InvoiceNoneZ_clone_ptr(LDKCResult_InvoiceNoneZ *NONNULL_PTR arg) {
        LDKCResult_InvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceNoneZ), "LDKCResult_InvoiceNoneZ");
        *ret_conv = CResult_InvoiceNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_InvoiceNoneZ* arg_conv = (LDKCResult_InvoiceNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_InvoiceNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_InvoiceNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18422,7 +18422,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1clon
        LDKCResult_InvoiceNoneZ* orig_conv = (LDKCResult_InvoiceNoneZ*)(orig & ~1);
        LDKCResult_InvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceNoneZ), "LDKCResult_InvoiceNoneZ");
        *ret_conv = CResult_InvoiceNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNoneZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18433,13 +18433,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNo
        o_conv = SignedRawInvoice_clone(&o_conv);
        LDKCResult_SignedRawInvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignedRawInvoiceNoneZ), "LDKCResult_SignedRawInvoiceNoneZ");
        *ret_conv = CResult_SignedRawInvoiceNoneZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_SignedRawInvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignedRawInvoiceNoneZ), "LDKCResult_SignedRawInvoiceNoneZ");
        *ret_conv = CResult_SignedRawInvoiceNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18460,11 +18460,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNoneZ
 static inline uintptr_t CResult_SignedRawInvoiceNoneZ_clone_ptr(LDKCResult_SignedRawInvoiceNoneZ *NONNULL_PTR arg) {
        LDKCResult_SignedRawInvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignedRawInvoiceNoneZ), "LDKCResult_SignedRawInvoiceNoneZ");
        *ret_conv = CResult_SignedRawInvoiceNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_SignedRawInvoiceNoneZ* arg_conv = (LDKCResult_SignedRawInvoiceNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_SignedRawInvoiceNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_SignedRawInvoiceNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18472,17 +18472,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNo
        LDKCResult_SignedRawInvoiceNoneZ* orig_conv = (LDKCResult_SignedRawInvoiceNoneZ*)(orig & ~1);
        LDKCResult_SignedRawInvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignedRawInvoiceNoneZ), "LDKCResult_SignedRawInvoiceNoneZ");
        *ret_conv = CResult_SignedRawInvoiceNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static inline uintptr_t C3Tuple_RawInvoice_u832InvoiceSignatureZ_clone_ptr(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ *NONNULL_PTR arg) {
        LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* ret_conv = MALLOC(sizeof(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ), "LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ");
        *ret_conv = C3Tuple_RawInvoice_u832InvoiceSignatureZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832InvoiceSignatureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832InvoiceSignatureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* arg_conv = (LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ*)(arg & ~1);
-       intptr_t ret_val = C3Tuple_RawInvoice_u832InvoiceSignatureZ_clone_ptr(arg_conv);
+       int64_t ret_val = C3Tuple_RawInvoice_u832InvoiceSignatureZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18490,7 +18490,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832In
        LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* orig_conv = (LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ*)(orig & ~1);
        LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* ret_conv = MALLOC(sizeof(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ), "LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ");
        *ret_conv = C3Tuple_RawInvoice_u832InvoiceSignatureZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832InvoiceSignatureZ_1new(JNIEnv *env, jclass clz, int64_t a, int8_tArray b, int64_t c) {
@@ -18509,7 +18509,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832In
        c_conv = InvoiceSignature_clone(&c_conv);
        LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* ret_conv = MALLOC(sizeof(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ), "LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ");
        *ret_conv = C3Tuple_RawInvoice_u832InvoiceSignatureZ_new(a_conv, b_ref, c_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832InvoiceSignatureZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -18529,14 +18529,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_
        o_conv = PayeePubKey_clone(&o_conv);
        LDKCResult_PayeePubKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PayeePubKeyErrorZ), "LDKCResult_PayeePubKeyErrorZ");
        *ret_conv = CResult_PayeePubKeyErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKSecp256k1Error e_conv = LDKSecp256k1Error_from_java(env, e);
        LDKCResult_PayeePubKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PayeePubKeyErrorZ), "LDKCResult_PayeePubKeyErrorZ");
        *ret_conv = CResult_PayeePubKeyErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18557,11 +18557,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_1fr
 static inline uintptr_t CResult_PayeePubKeyErrorZ_clone_ptr(LDKCResult_PayeePubKeyErrorZ *NONNULL_PTR arg) {
        LDKCResult_PayeePubKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PayeePubKeyErrorZ), "LDKCResult_PayeePubKeyErrorZ");
        *ret_conv = CResult_PayeePubKeyErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PayeePubKeyErrorZ* arg_conv = (LDKCResult_PayeePubKeyErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PayeePubKeyErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PayeePubKeyErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18569,7 +18569,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_
        LDKCResult_PayeePubKeyErrorZ* orig_conv = (LDKCResult_PayeePubKeyErrorZ*)(orig & ~1);
        LDKCResult_PayeePubKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PayeePubKeyErrorZ), "LDKCResult_PayeePubKeyErrorZ");
        *ret_conv = CResult_PayeePubKeyErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1PrivateRouteZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -18600,14 +18600,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampC
        o_conv = PositiveTimestamp_clone(&o_conv);
        LDKCResult_PositiveTimestampCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PositiveTimestampCreationErrorZ), "LDKCResult_PositiveTimestampCreationErrorZ");
        *ret_conv = CResult_PositiveTimestampCreationErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampCreationErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKCreationError e_conv = LDKCreationError_from_java(env, e);
        LDKCResult_PositiveTimestampCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PositiveTimestampCreationErrorZ), "LDKCResult_PositiveTimestampCreationErrorZ");
        *ret_conv = CResult_PositiveTimestampCreationErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampCreationErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18628,11 +18628,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampCrea
 static inline uintptr_t CResult_PositiveTimestampCreationErrorZ_clone_ptr(LDKCResult_PositiveTimestampCreationErrorZ *NONNULL_PTR arg) {
        LDKCResult_PositiveTimestampCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PositiveTimestampCreationErrorZ), "LDKCResult_PositiveTimestampCreationErrorZ");
        *ret_conv = CResult_PositiveTimestampCreationErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampCreationErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampCreationErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PositiveTimestampCreationErrorZ* arg_conv = (LDKCResult_PositiveTimestampCreationErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PositiveTimestampCreationErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PositiveTimestampCreationErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18640,20 +18640,20 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampC
        LDKCResult_PositiveTimestampCreationErrorZ* orig_conv = (LDKCResult_PositiveTimestampCreationErrorZ*)(orig & ~1);
        LDKCResult_PositiveTimestampCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PositiveTimestampCreationErrorZ), "LDKCResult_PositiveTimestampCreationErrorZ");
        *ret_conv = CResult_PositiveTimestampCreationErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneSemanticErrorZ_1ok(JNIEnv *env, jclass clz) {
        LDKCResult_NoneSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneSemanticErrorZ), "LDKCResult_NoneSemanticErrorZ");
        *ret_conv = CResult_NoneSemanticErrorZ_ok();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneSemanticErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKSemanticError e_conv = LDKSemanticError_from_java(env, e);
        LDKCResult_NoneSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneSemanticErrorZ), "LDKCResult_NoneSemanticErrorZ");
        *ret_conv = CResult_NoneSemanticErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NoneSemanticErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18674,11 +18674,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneSemanticErrorZ_1f
 static inline uintptr_t CResult_NoneSemanticErrorZ_clone_ptr(LDKCResult_NoneSemanticErrorZ *NONNULL_PTR arg) {
        LDKCResult_NoneSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneSemanticErrorZ), "LDKCResult_NoneSemanticErrorZ");
        *ret_conv = CResult_NoneSemanticErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneSemanticErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneSemanticErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NoneSemanticErrorZ* arg_conv = (LDKCResult_NoneSemanticErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NoneSemanticErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NoneSemanticErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18686,7 +18686,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneSemanticErrorZ
        LDKCResult_NoneSemanticErrorZ* orig_conv = (LDKCResult_NoneSemanticErrorZ*)(orig & ~1);
        LDKCResult_NoneSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneSemanticErrorZ), "LDKCResult_NoneSemanticErrorZ");
        *ret_conv = CResult_NoneSemanticErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18697,14 +18697,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErr
        o_conv = Invoice_clone(&o_conv);
        LDKCResult_InvoiceSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSemanticErrorZ), "LDKCResult_InvoiceSemanticErrorZ");
        *ret_conv = CResult_InvoiceSemanticErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKSemanticError e_conv = LDKSemanticError_from_java(env, e);
        LDKCResult_InvoiceSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSemanticErrorZ), "LDKCResult_InvoiceSemanticErrorZ");
        *ret_conv = CResult_InvoiceSemanticErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18725,11 +18725,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErrorZ
 static inline uintptr_t CResult_InvoiceSemanticErrorZ_clone_ptr(LDKCResult_InvoiceSemanticErrorZ *NONNULL_PTR arg) {
        LDKCResult_InvoiceSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSemanticErrorZ), "LDKCResult_InvoiceSemanticErrorZ");
        *ret_conv = CResult_InvoiceSemanticErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_InvoiceSemanticErrorZ* arg_conv = (LDKCResult_InvoiceSemanticErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_InvoiceSemanticErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_InvoiceSemanticErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18737,7 +18737,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErr
        LDKCResult_InvoiceSemanticErrorZ* orig_conv = (LDKCResult_InvoiceSemanticErrorZ*)(orig & ~1);
        LDKCResult_InvoiceSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSemanticErrorZ), "LDKCResult_InvoiceSemanticErrorZ");
        *ret_conv = CResult_InvoiceSemanticErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreationErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18748,14 +18748,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreatio
        o_conv = Description_clone(&o_conv);
        LDKCResult_DescriptionCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DescriptionCreationErrorZ), "LDKCResult_DescriptionCreationErrorZ");
        *ret_conv = CResult_DescriptionCreationErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreationErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKCreationError e_conv = LDKCreationError_from_java(env, e);
        LDKCResult_DescriptionCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DescriptionCreationErrorZ), "LDKCResult_DescriptionCreationErrorZ");
        *ret_conv = CResult_DescriptionCreationErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreationErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18776,11 +18776,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreationEr
 static inline uintptr_t CResult_DescriptionCreationErrorZ_clone_ptr(LDKCResult_DescriptionCreationErrorZ *NONNULL_PTR arg) {
        LDKCResult_DescriptionCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DescriptionCreationErrorZ), "LDKCResult_DescriptionCreationErrorZ");
        *ret_conv = CResult_DescriptionCreationErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreationErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreationErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_DescriptionCreationErrorZ* arg_conv = (LDKCResult_DescriptionCreationErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_DescriptionCreationErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_DescriptionCreationErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18788,7 +18788,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreatio
        LDKCResult_DescriptionCreationErrorZ* orig_conv = (LDKCResult_DescriptionCreationErrorZ*)(orig & ~1);
        LDKCResult_DescriptionCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DescriptionCreationErrorZ), "LDKCResult_DescriptionCreationErrorZ");
        *ret_conv = CResult_DescriptionCreationErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreationErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18799,14 +18799,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreati
        o_conv = PrivateRoute_clone(&o_conv);
        LDKCResult_PrivateRouteCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PrivateRouteCreationErrorZ), "LDKCResult_PrivateRouteCreationErrorZ");
        *ret_conv = CResult_PrivateRouteCreationErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreationErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKCreationError e_conv = LDKCreationError_from_java(env, e);
        LDKCResult_PrivateRouteCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PrivateRouteCreationErrorZ), "LDKCResult_PrivateRouteCreationErrorZ");
        *ret_conv = CResult_PrivateRouteCreationErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreationErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18827,11 +18827,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreationE
 static inline uintptr_t CResult_PrivateRouteCreationErrorZ_clone_ptr(LDKCResult_PrivateRouteCreationErrorZ *NONNULL_PTR arg) {
        LDKCResult_PrivateRouteCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PrivateRouteCreationErrorZ), "LDKCResult_PrivateRouteCreationErrorZ");
        *ret_conv = CResult_PrivateRouteCreationErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreationErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreationErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PrivateRouteCreationErrorZ* arg_conv = (LDKCResult_PrivateRouteCreationErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PrivateRouteCreationErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PrivateRouteCreationErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18839,21 +18839,21 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreati
        LDKCResult_PrivateRouteCreationErrorZ* orig_conv = (LDKCResult_PrivateRouteCreationErrorZ*)(orig & ~1);
        LDKCResult_PrivateRouteCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PrivateRouteCreationErrorZ), "LDKCResult_PrivateRouteCreationErrorZ");
        *ret_conv = CResult_PrivateRouteCreationErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StringErrorZ_1ok(JNIEnv *env, jclass clz, jstring o) {
        LDKStr o_conv = java_to_owned_str(env, o);
        LDKCResult_StringErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_StringErrorZ), "LDKCResult_StringErrorZ");
        *ret_conv = CResult_StringErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StringErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKSecp256k1Error e_conv = LDKSecp256k1Error_from_java(env, e);
        LDKCResult_StringErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_StringErrorZ), "LDKCResult_StringErrorZ");
        *ret_conv = CResult_StringErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1StringErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18879,7 +18879,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpda
        o_conv = ChannelMonitorUpdate_clone(&o_conv);
        LDKCResult_ChannelMonitorUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelMonitorUpdateDecodeErrorZ), "LDKCResult_ChannelMonitorUpdateDecodeErrorZ");
        *ret_conv = CResult_ChannelMonitorUpdateDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpdateDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -18890,7 +18890,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpda
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelMonitorUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelMonitorUpdateDecodeErrorZ), "LDKCResult_ChannelMonitorUpdateDecodeErrorZ");
        *ret_conv = CResult_ChannelMonitorUpdateDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpdateDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18911,11 +18911,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpdateD
 static inline uintptr_t CResult_ChannelMonitorUpdateDecodeErrorZ_clone_ptr(LDKCResult_ChannelMonitorUpdateDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelMonitorUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelMonitorUpdateDecodeErrorZ), "LDKCResult_ChannelMonitorUpdateDecodeErrorZ");
        *ret_conv = CResult_ChannelMonitorUpdateDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpdateDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpdateDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelMonitorUpdateDecodeErrorZ* arg_conv = (LDKCResult_ChannelMonitorUpdateDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelMonitorUpdateDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelMonitorUpdateDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18923,7 +18923,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpda
        LDKCResult_ChannelMonitorUpdateDecodeErrorZ* orig_conv = (LDKCResult_ChannelMonitorUpdateDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelMonitorUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelMonitorUpdateDecodeErrorZ), "LDKCResult_ChannelMonitorUpdateDecodeErrorZ");
        *ret_conv = CResult_ChannelMonitorUpdateDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1MonitorEventZ_1some(JNIEnv *env, jclass clz, int64_t o) {
@@ -18933,14 +18933,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1MonitorEventZ_1som
        o_conv = MonitorEvent_clone((LDKMonitorEvent*)(((uintptr_t)o) & ~1));
        LDKCOption_MonitorEventZ *ret_copy = MALLOC(sizeof(LDKCOption_MonitorEventZ), "LDKCOption_MonitorEventZ");
        *ret_copy = COption_MonitorEventZ_some(o_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1MonitorEventZ_1none(JNIEnv *env, jclass clz) {
        LDKCOption_MonitorEventZ *ret_copy = MALLOC(sizeof(LDKCOption_MonitorEventZ), "LDKCOption_MonitorEventZ");
        *ret_copy = COption_MonitorEventZ_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -18956,12 +18956,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1MonitorEventZ_1free(J
 static inline uintptr_t COption_MonitorEventZ_clone_ptr(LDKCOption_MonitorEventZ *NONNULL_PTR arg) {
        LDKCOption_MonitorEventZ *ret_copy = MALLOC(sizeof(LDKCOption_MonitorEventZ), "LDKCOption_MonitorEventZ");
        *ret_copy = COption_MonitorEventZ_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1MonitorEventZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1MonitorEventZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_MonitorEventZ* arg_conv = (LDKCOption_MonitorEventZ*)arg;
-       intptr_t ret_val = COption_MonitorEventZ_clone_ptr(arg_conv);
+       int64_t ret_val = COption_MonitorEventZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18969,7 +18969,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1MonitorEventZ_1clo
        LDKCOption_MonitorEventZ* orig_conv = (LDKCOption_MonitorEventZ*)orig;
        LDKCOption_MonitorEventZ *ret_copy = MALLOC(sizeof(LDKCOption_MonitorEventZ), "LDKCOption_MonitorEventZ");
        *ret_copy = COption_MonitorEventZ_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -18980,7 +18980,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEv
        o_conv = COption_MonitorEventZ_clone((LDKCOption_MonitorEventZ*)(((uintptr_t)o) & ~1));
        LDKCResult_COption_MonitorEventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_MonitorEventZDecodeErrorZ), "LDKCResult_COption_MonitorEventZDecodeErrorZ");
        *ret_conv = CResult_COption_MonitorEventZDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEventZDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -18991,7 +18991,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEv
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_COption_MonitorEventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_MonitorEventZDecodeErrorZ), "LDKCResult_COption_MonitorEventZDecodeErrorZ");
        *ret_conv = CResult_COption_MonitorEventZDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEventZDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19012,11 +19012,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEvent
 static inline uintptr_t CResult_COption_MonitorEventZDecodeErrorZ_clone_ptr(LDKCResult_COption_MonitorEventZDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_COption_MonitorEventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_MonitorEventZDecodeErrorZ), "LDKCResult_COption_MonitorEventZDecodeErrorZ");
        *ret_conv = CResult_COption_MonitorEventZDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEventZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEventZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_COption_MonitorEventZDecodeErrorZ* arg_conv = (LDKCResult_COption_MonitorEventZDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_COption_MonitorEventZDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_COption_MonitorEventZDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19024,7 +19024,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEv
        LDKCResult_COption_MonitorEventZDecodeErrorZ* orig_conv = (LDKCResult_COption_MonitorEventZDecodeErrorZ*)(orig & ~1);
        LDKCResult_COption_MonitorEventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_MonitorEventZDecodeErrorZ), "LDKCResult_COption_MonitorEventZDecodeErrorZ");
        *ret_conv = CResult_COption_MonitorEventZDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19035,7 +19035,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeEr
        o_conv = HTLCUpdate_clone(&o_conv);
        LDKCResult_HTLCUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCUpdateDecodeErrorZ), "LDKCResult_HTLCUpdateDecodeErrorZ");
        *ret_conv = CResult_HTLCUpdateDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -19046,7 +19046,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeEr
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_HTLCUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCUpdateDecodeErrorZ), "LDKCResult_HTLCUpdateDecodeErrorZ");
        *ret_conv = CResult_HTLCUpdateDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19067,11 +19067,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeError
 static inline uintptr_t CResult_HTLCUpdateDecodeErrorZ_clone_ptr(LDKCResult_HTLCUpdateDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_HTLCUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCUpdateDecodeErrorZ), "LDKCResult_HTLCUpdateDecodeErrorZ");
        *ret_conv = CResult_HTLCUpdateDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_HTLCUpdateDecodeErrorZ* arg_conv = (LDKCResult_HTLCUpdateDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_HTLCUpdateDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_HTLCUpdateDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19079,17 +19079,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeEr
        LDKCResult_HTLCUpdateDecodeErrorZ* orig_conv = (LDKCResult_HTLCUpdateDecodeErrorZ*)(orig & ~1);
        LDKCResult_HTLCUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCUpdateDecodeErrorZ), "LDKCResult_HTLCUpdateDecodeErrorZ");
        *ret_conv = CResult_HTLCUpdateDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static inline uintptr_t C2Tuple_OutPointScriptZ_clone_ptr(LDKC2Tuple_OutPointScriptZ *NONNULL_PTR arg) {
        LDKC2Tuple_OutPointScriptZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_OutPointScriptZ), "LDKC2Tuple_OutPointScriptZ");
        *ret_conv = C2Tuple_OutPointScriptZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_OutPointScriptZ* arg_conv = (LDKC2Tuple_OutPointScriptZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_OutPointScriptZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_OutPointScriptZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19097,7 +19097,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1c
        LDKC2Tuple_OutPointScriptZ* orig_conv = (LDKC2Tuple_OutPointScriptZ*)(orig & ~1);
        LDKC2Tuple_OutPointScriptZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_OutPointScriptZ), "LDKC2Tuple_OutPointScriptZ");
        *ret_conv = C2Tuple_OutPointScriptZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1new(JNIEnv *env, jclass clz, int64_t a, int8_tArray b) {
@@ -19112,7 +19112,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1n
        (*env)->GetByteArrayRegion(env, b, 0, b_ref.datalen, b_ref.data);
        LDKC2Tuple_OutPointScriptZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_OutPointScriptZ), "LDKC2Tuple_OutPointScriptZ");
        *ret_conv = C2Tuple_OutPointScriptZ_new(a_conv, b_ref);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -19127,11 +19127,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1free
 static inline uintptr_t C2Tuple_u32ScriptZ_clone_ptr(LDKC2Tuple_u32ScriptZ *NONNULL_PTR arg) {
        LDKC2Tuple_u32ScriptZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_u32ScriptZ), "LDKC2Tuple_u32ScriptZ");
        *ret_conv = C2Tuple_u32ScriptZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32ScriptZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32ScriptZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_u32ScriptZ* arg_conv = (LDKC2Tuple_u32ScriptZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_u32ScriptZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_u32ScriptZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19139,7 +19139,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32ScriptZ_1clone(
        LDKC2Tuple_u32ScriptZ* orig_conv = (LDKC2Tuple_u32ScriptZ*)(orig & ~1);
        LDKC2Tuple_u32ScriptZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_u32ScriptZ), "LDKC2Tuple_u32ScriptZ");
        *ret_conv = C2Tuple_u32ScriptZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32ScriptZ_1new(JNIEnv *env, jclass clz, int32_t a, int8_tArray b) {
@@ -19149,7 +19149,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32ScriptZ_1new(JN
        (*env)->GetByteArrayRegion(env, b, 0, b_ref.datalen, b_ref.data);
        LDKC2Tuple_u32ScriptZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_u32ScriptZ), "LDKC2Tuple_u32ScriptZ");
        *ret_conv = C2Tuple_u32ScriptZ_new(a, b_ref);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32ScriptZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -19184,11 +19184,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1u32ScriptZZ_1fr
 static inline uintptr_t C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_clone_ptr(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ *NONNULL_PTR arg) {
        LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ");
        *ret_conv = C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32ScriptZZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32ScriptZZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ* arg_conv = (LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19196,7 +19196,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_
        LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ* orig_conv = (LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(orig & ~1);
        LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ");
        *ret_conv = C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32ScriptZZZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_tArray b) {
@@ -19221,7 +19221,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_
        (*env)->ReleaseLongArrayElements(env, b, b_vals, 0);
        LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ");
        *ret_conv = C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_new(a_ref, b_constr);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32ScriptZZZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -19295,11 +19295,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1TransactionZ_1free(JNIEn
 static inline uintptr_t C2Tuple_u32TxOutZ_clone_ptr(LDKC2Tuple_u32TxOutZ *NONNULL_PTR arg) {
        LDKC2Tuple_u32TxOutZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_u32TxOutZ), "LDKC2Tuple_u32TxOutZ");
        *ret_conv = C2Tuple_u32TxOutZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_u32TxOutZ* arg_conv = (LDKC2Tuple_u32TxOutZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_u32TxOutZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_u32TxOutZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19307,7 +19307,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1clone(J
        LDKC2Tuple_u32TxOutZ* orig_conv = (LDKC2Tuple_u32TxOutZ*)(orig & ~1);
        LDKC2Tuple_u32TxOutZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_u32TxOutZ), "LDKC2Tuple_u32TxOutZ");
        *ret_conv = C2Tuple_u32TxOutZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1new(JNIEnv *env, jclass clz, int32_t a, int64_t b) {
@@ -19317,7 +19317,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1new(JNI
        b_conv = TxOut_clone((LDKTxOut*)(((uintptr_t)b) & ~1));
        LDKC2Tuple_u32TxOutZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_u32TxOutZ), "LDKC2Tuple_u32TxOutZ");
        *ret_conv = C2Tuple_u32TxOutZ_new(a, b_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -19352,11 +19352,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1u32TxOutZZ_1fre
 static inline uintptr_t C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_clone_ptr(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ *NONNULL_PTR arg) {
        LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ");
        *ret_conv = C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32TxOutZZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32TxOutZZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* arg_conv = (LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19364,7 +19364,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_
        LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* orig_conv = (LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(orig & ~1);
        LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ");
        *ret_conv = C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32TxOutZZZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_tArray b) {
@@ -19389,7 +19389,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_
        (*env)->ReleaseLongArrayElements(env, b, b_vals, 0);
        LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ");
        *ret_conv = C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_new(a_ref, b_constr);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32TxOutZZZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -19448,7 +19448,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHash
        o_conv = C2Tuple_BlockHashChannelMonitorZ_clone((LDKC2Tuple_BlockHashChannelMonitorZ*)(((uintptr_t)o) & ~1));
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ");
        *ret_conv = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelMonitorZDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -19459,7 +19459,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHash
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ");
        *ret_conv = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelMonitorZDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19480,11 +19480,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashCha
 static inline uintptr_t CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_clone_ptr(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ");
        *ret_conv = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelMonitorZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelMonitorZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* arg_conv = (LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19492,13 +19492,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHash
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* orig_conv = (LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ*)(orig & ~1);
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ");
        *ret_conv = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningErrorZ_1ok(JNIEnv *env, jclass clz) {
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = CResult_NoneLightningErrorZ_ok();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -19509,7 +19509,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningError
        e_conv = LightningError_clone(&e_conv);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = CResult_NoneLightningErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19530,11 +19530,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningErrorZ_1
 static inline uintptr_t CResult_NoneLightningErrorZ_clone_ptr(LDKCResult_NoneLightningErrorZ *NONNULL_PTR arg) {
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = CResult_NoneLightningErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NoneLightningErrorZ* arg_conv = (LDKCResult_NoneLightningErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NoneLightningErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NoneLightningErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19542,17 +19542,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningError
        LDKCResult_NoneLightningErrorZ* orig_conv = (LDKCResult_NoneLightningErrorZ*)(orig & ~1);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = CResult_NoneLightningErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static inline uintptr_t C2Tuple_PublicKeyTypeZ_clone_ptr(LDKC2Tuple_PublicKeyTypeZ *NONNULL_PTR arg) {
        LDKC2Tuple_PublicKeyTypeZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PublicKeyTypeZ), "LDKC2Tuple_PublicKeyTypeZ");
        *ret_conv = C2Tuple_PublicKeyTypeZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_PublicKeyTypeZ* arg_conv = (LDKC2Tuple_PublicKeyTypeZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_PublicKeyTypeZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_PublicKeyTypeZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19560,7 +19560,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1cl
        LDKC2Tuple_PublicKeyTypeZ* orig_conv = (LDKC2Tuple_PublicKeyTypeZ*)(orig & ~1);
        LDKC2Tuple_PublicKeyTypeZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PublicKeyTypeZ), "LDKC2Tuple_PublicKeyTypeZ");
        *ret_conv = C2Tuple_PublicKeyTypeZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_t b) {
@@ -19576,7 +19576,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1ne
        }
        LDKC2Tuple_PublicKeyTypeZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PublicKeyTypeZ), "LDKC2Tuple_PublicKeyTypeZ");
        *ret_conv = C2Tuple_PublicKeyTypeZ_new(a_ref, b_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -19611,7 +19611,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1PublicKeyTypeZZ
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningErrorZ_1ok(JNIEnv *env, jclass clz, jboolean o) {
        LDKCResult_boolLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolLightningErrorZ), "LDKCResult_boolLightningErrorZ");
        *ret_conv = CResult_boolLightningErrorZ_ok(o);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -19622,7 +19622,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningError
        e_conv = LightningError_clone(&e_conv);
        LDKCResult_boolLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolLightningErrorZ), "LDKCResult_boolLightningErrorZ");
        *ret_conv = CResult_boolLightningErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19643,11 +19643,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningErrorZ_1
 static inline uintptr_t CResult_boolLightningErrorZ_clone_ptr(LDKCResult_boolLightningErrorZ *NONNULL_PTR arg) {
        LDKCResult_boolLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolLightningErrorZ), "LDKCResult_boolLightningErrorZ");
        *ret_conv = CResult_boolLightningErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_boolLightningErrorZ* arg_conv = (LDKCResult_boolLightningErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_boolLightningErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_boolLightningErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19655,17 +19655,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningError
        LDKCResult_boolLightningErrorZ* orig_conv = (LDKCResult_boolLightningErrorZ*)(orig & ~1);
        LDKCResult_boolLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolLightningErrorZ), "LDKCResult_boolLightningErrorZ");
        *ret_conv = CResult_boolLightningErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static inline uintptr_t C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_clone_ptr(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ *NONNULL_PTR arg) {
        LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* ret_conv = MALLOC(sizeof(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ), "LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ");
        *ret_conv = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncementChannelUpdateChannelUpdateZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncementChannelUpdateChannelUpdateZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* arg_conv = (LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(arg & ~1);
-       intptr_t ret_val = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_clone_ptr(arg_conv);
+       int64_t ret_val = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19673,7 +19673,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncemen
        LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* orig_conv = (LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(orig & ~1);
        LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* ret_conv = MALLOC(sizeof(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ), "LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ");
        *ret_conv = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncementChannelUpdateChannelUpdateZ_1new(JNIEnv *env, jclass clz, int64_t a, int64_t b, int64_t c) {
@@ -19694,7 +19694,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncemen
        c_conv = ChannelUpdate_clone(&c_conv);
        LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* ret_conv = MALLOC(sizeof(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ), "LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ");
        *ret_conv = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_new(a_conv, b_conv, c_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncementChannelUpdateChannelUpdateZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -19770,7 +19770,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandl
        (*env)->GetByteArrayRegion(env, o, 0, o_ref.datalen, o_ref.data);
        LDKCResult_CVec_u8ZPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_u8ZPeerHandleErrorZ), "LDKCResult_CVec_u8ZPeerHandleErrorZ");
        *ret_conv = CResult_CVec_u8ZPeerHandleErrorZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandleErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -19781,7 +19781,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandl
        e_conv = PeerHandleError_clone(&e_conv);
        LDKCResult_CVec_u8ZPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_u8ZPeerHandleErrorZ), "LDKCResult_CVec_u8ZPeerHandleErrorZ");
        *ret_conv = CResult_CVec_u8ZPeerHandleErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandleErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19802,11 +19802,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandleEr
 static inline uintptr_t CResult_CVec_u8ZPeerHandleErrorZ_clone_ptr(LDKCResult_CVec_u8ZPeerHandleErrorZ *NONNULL_PTR arg) {
        LDKCResult_CVec_u8ZPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_u8ZPeerHandleErrorZ), "LDKCResult_CVec_u8ZPeerHandleErrorZ");
        *ret_conv = CResult_CVec_u8ZPeerHandleErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandleErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandleErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_CVec_u8ZPeerHandleErrorZ* arg_conv = (LDKCResult_CVec_u8ZPeerHandleErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_CVec_u8ZPeerHandleErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_CVec_u8ZPeerHandleErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19814,13 +19814,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandl
        LDKCResult_CVec_u8ZPeerHandleErrorZ* orig_conv = (LDKCResult_CVec_u8ZPeerHandleErrorZ*)(orig & ~1);
        LDKCResult_CVec_u8ZPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_u8ZPeerHandleErrorZ), "LDKCResult_CVec_u8ZPeerHandleErrorZ");
        *ret_conv = CResult_CVec_u8ZPeerHandleErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErrorZ_1ok(JNIEnv *env, jclass clz) {
        LDKCResult_NonePeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePeerHandleErrorZ), "LDKCResult_NonePeerHandleErrorZ");
        *ret_conv = CResult_NonePeerHandleErrorZ_ok();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -19831,7 +19831,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErro
        e_conv = PeerHandleError_clone(&e_conv);
        LDKCResult_NonePeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePeerHandleErrorZ), "LDKCResult_NonePeerHandleErrorZ");
        *ret_conv = CResult_NonePeerHandleErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19852,11 +19852,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErrorZ_
 static inline uintptr_t CResult_NonePeerHandleErrorZ_clone_ptr(LDKCResult_NonePeerHandleErrorZ *NONNULL_PTR arg) {
        LDKCResult_NonePeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePeerHandleErrorZ), "LDKCResult_NonePeerHandleErrorZ");
        *ret_conv = CResult_NonePeerHandleErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NonePeerHandleErrorZ* arg_conv = (LDKCResult_NonePeerHandleErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NonePeerHandleErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NonePeerHandleErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19864,13 +19864,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErro
        LDKCResult_NonePeerHandleErrorZ* orig_conv = (LDKCResult_NonePeerHandleErrorZ*)(orig & ~1);
        LDKCResult_NonePeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePeerHandleErrorZ), "LDKCResult_NonePeerHandleErrorZ");
        *ret_conv = CResult_NonePeerHandleErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErrorZ_1ok(JNIEnv *env, jclass clz, jboolean o) {
        LDKCResult_boolPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolPeerHandleErrorZ), "LDKCResult_boolPeerHandleErrorZ");
        *ret_conv = CResult_boolPeerHandleErrorZ_ok(o);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -19881,7 +19881,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErro
        e_conv = PeerHandleError_clone(&e_conv);
        LDKCResult_boolPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolPeerHandleErrorZ), "LDKCResult_boolPeerHandleErrorZ");
        *ret_conv = CResult_boolPeerHandleErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19902,11 +19902,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErrorZ_
 static inline uintptr_t CResult_boolPeerHandleErrorZ_clone_ptr(LDKCResult_boolPeerHandleErrorZ *NONNULL_PTR arg) {
        LDKCResult_boolPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolPeerHandleErrorZ), "LDKCResult_boolPeerHandleErrorZ");
        *ret_conv = CResult_boolPeerHandleErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_boolPeerHandleErrorZ* arg_conv = (LDKCResult_boolPeerHandleErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_boolPeerHandleErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_boolPeerHandleErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19914,7 +19914,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErro
        LDKCResult_boolPeerHandleErrorZ* orig_conv = (LDKCResult_boolPeerHandleErrorZ*)(orig & ~1);
        LDKCResult_boolPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolPeerHandleErrorZ), "LDKCResult_boolPeerHandleErrorZ");
        *ret_conv = CResult_boolPeerHandleErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19925,7 +19925,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ
        o_conv = NodeId_clone(&o_conv);
        LDKCResult_NodeIdDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeIdDecodeErrorZ), "LDKCResult_NodeIdDecodeErrorZ");
        *ret_conv = CResult_NodeIdDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -19936,7 +19936,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_NodeIdDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeIdDecodeErrorZ), "LDKCResult_NodeIdDecodeErrorZ");
        *ret_conv = CResult_NodeIdDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19957,11 +19957,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ_1f
 static inline uintptr_t CResult_NodeIdDecodeErrorZ_clone_ptr(LDKCResult_NodeIdDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_NodeIdDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeIdDecodeErrorZ), "LDKCResult_NodeIdDecodeErrorZ");
        *ret_conv = CResult_NodeIdDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NodeIdDecodeErrorZ* arg_conv = (LDKCResult_NodeIdDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NodeIdDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NodeIdDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19969,7 +19969,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ
        LDKCResult_NodeIdDecodeErrorZ* orig_conv = (LDKCResult_NodeIdDecodeErrorZ*)(orig & ~1);
        LDKCResult_NodeIdDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeIdDecodeErrorZ), "LDKCResult_NodeIdDecodeErrorZ");
        *ret_conv = CResult_NodeIdDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUpdateZDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19979,7 +19979,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUp
        o_conv = COption_NetworkUpdateZ_clone((LDKCOption_NetworkUpdateZ*)(((uintptr_t)o) & ~1));
        LDKCResult_COption_NetworkUpdateZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_NetworkUpdateZDecodeErrorZ), "LDKCResult_COption_NetworkUpdateZDecodeErrorZ");
        *ret_conv = CResult_COption_NetworkUpdateZDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUpdateZDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -19990,7 +19990,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUp
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_COption_NetworkUpdateZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_NetworkUpdateZDecodeErrorZ), "LDKCResult_COption_NetworkUpdateZDecodeErrorZ");
        *ret_conv = CResult_COption_NetworkUpdateZDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUpdateZDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20011,11 +20011,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUpdat
 static inline uintptr_t CResult_COption_NetworkUpdateZDecodeErrorZ_clone_ptr(LDKCResult_COption_NetworkUpdateZDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_COption_NetworkUpdateZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_NetworkUpdateZDecodeErrorZ), "LDKCResult_COption_NetworkUpdateZDecodeErrorZ");
        *ret_conv = CResult_COption_NetworkUpdateZDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUpdateZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUpdateZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_COption_NetworkUpdateZDecodeErrorZ* arg_conv = (LDKCResult_COption_NetworkUpdateZDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_COption_NetworkUpdateZDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_COption_NetworkUpdateZDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20023,7 +20023,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUp
        LDKCResult_COption_NetworkUpdateZDecodeErrorZ* orig_conv = (LDKCResult_COption_NetworkUpdateZDecodeErrorZ*)(orig & ~1);
        LDKCResult_COption_NetworkUpdateZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_NetworkUpdateZDecodeErrorZ), "LDKCResult_COption_NetworkUpdateZDecodeErrorZ");
        *ret_conv = CResult_COption_NetworkUpdateZDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1AccessZ_1some(JNIEnv *env, jclass clz, int64_t o) {
@@ -20036,14 +20036,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1AccessZ_1some(JNIE
        }
        LDKCOption_AccessZ *ret_copy = MALLOC(sizeof(LDKCOption_AccessZ), "LDKCOption_AccessZ");
        *ret_copy = COption_AccessZ_some(o_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1AccessZ_1none(JNIEnv *env, jclass clz) {
        LDKCOption_AccessZ *ret_copy = MALLOC(sizeof(LDKCOption_AccessZ), "LDKCOption_AccessZ");
        *ret_copy = COption_AccessZ_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -20064,7 +20064,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoD
        o_conv = ChannelUpdateInfo_clone(&o_conv);
        LDKCResult_ChannelUpdateInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateInfoDecodeErrorZ), "LDKCResult_ChannelUpdateInfoDecodeErrorZ");
        *ret_conv = CResult_ChannelUpdateInfoDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20075,7 +20075,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoD
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelUpdateInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateInfoDecodeErrorZ), "LDKCResult_ChannelUpdateInfoDecodeErrorZ");
        *ret_conv = CResult_ChannelUpdateInfoDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20096,11 +20096,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoDeco
 static inline uintptr_t CResult_ChannelUpdateInfoDecodeErrorZ_clone_ptr(LDKCResult_ChannelUpdateInfoDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelUpdateInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateInfoDecodeErrorZ), "LDKCResult_ChannelUpdateInfoDecodeErrorZ");
        *ret_conv = CResult_ChannelUpdateInfoDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelUpdateInfoDecodeErrorZ* arg_conv = (LDKCResult_ChannelUpdateInfoDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelUpdateInfoDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelUpdateInfoDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20108,7 +20108,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoD
        LDKCResult_ChannelUpdateInfoDecodeErrorZ* orig_conv = (LDKCResult_ChannelUpdateInfoDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelUpdateInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateInfoDecodeErrorZ), "LDKCResult_ChannelUpdateInfoDecodeErrorZ");
        *ret_conv = CResult_ChannelUpdateInfoDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20119,7 +20119,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeE
        o_conv = ChannelInfo_clone(&o_conv);
        LDKCResult_ChannelInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelInfoDecodeErrorZ), "LDKCResult_ChannelInfoDecodeErrorZ");
        *ret_conv = CResult_ChannelInfoDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20130,7 +20130,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeE
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelInfoDecodeErrorZ), "LDKCResult_ChannelInfoDecodeErrorZ");
        *ret_conv = CResult_ChannelInfoDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20151,11 +20151,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeErro
 static inline uintptr_t CResult_ChannelInfoDecodeErrorZ_clone_ptr(LDKCResult_ChannelInfoDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelInfoDecodeErrorZ), "LDKCResult_ChannelInfoDecodeErrorZ");
        *ret_conv = CResult_ChannelInfoDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelInfoDecodeErrorZ* arg_conv = (LDKCResult_ChannelInfoDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelInfoDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelInfoDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20163,7 +20163,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeE
        LDKCResult_ChannelInfoDecodeErrorZ* orig_conv = (LDKCResult_ChannelInfoDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelInfoDecodeErrorZ), "LDKCResult_ChannelInfoDecodeErrorZ");
        *ret_conv = CResult_ChannelInfoDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20174,7 +20174,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeE
        o_conv = RoutingFees_clone(&o_conv);
        LDKCResult_RoutingFeesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RoutingFeesDecodeErrorZ), "LDKCResult_RoutingFeesDecodeErrorZ");
        *ret_conv = CResult_RoutingFeesDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20185,7 +20185,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeE
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_RoutingFeesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RoutingFeesDecodeErrorZ), "LDKCResult_RoutingFeesDecodeErrorZ");
        *ret_conv = CResult_RoutingFeesDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20206,11 +20206,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeErro
 static inline uintptr_t CResult_RoutingFeesDecodeErrorZ_clone_ptr(LDKCResult_RoutingFeesDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_RoutingFeesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RoutingFeesDecodeErrorZ), "LDKCResult_RoutingFeesDecodeErrorZ");
        *ret_conv = CResult_RoutingFeesDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_RoutingFeesDecodeErrorZ* arg_conv = (LDKCResult_RoutingFeesDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_RoutingFeesDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_RoutingFeesDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20218,7 +20218,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeE
        LDKCResult_RoutingFeesDecodeErrorZ* orig_conv = (LDKCResult_RoutingFeesDecodeErrorZ*)(orig & ~1);
        LDKCResult_RoutingFeesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RoutingFeesDecodeErrorZ), "LDKCResult_RoutingFeesDecodeErrorZ");
        *ret_conv = CResult_RoutingFeesDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementInfoDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20229,7 +20229,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementIn
        o_conv = NodeAnnouncementInfo_clone(&o_conv);
        LDKCResult_NodeAnnouncementInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementInfoDecodeErrorZ), "LDKCResult_NodeAnnouncementInfoDecodeErrorZ");
        *ret_conv = CResult_NodeAnnouncementInfoDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementInfoDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20240,7 +20240,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementIn
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_NodeAnnouncementInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementInfoDecodeErrorZ), "LDKCResult_NodeAnnouncementInfoDecodeErrorZ");
        *ret_conv = CResult_NodeAnnouncementInfoDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementInfoDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20261,11 +20261,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementInfoD
 static inline uintptr_t CResult_NodeAnnouncementInfoDecodeErrorZ_clone_ptr(LDKCResult_NodeAnnouncementInfoDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_NodeAnnouncementInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementInfoDecodeErrorZ), "LDKCResult_NodeAnnouncementInfoDecodeErrorZ");
        *ret_conv = CResult_NodeAnnouncementInfoDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NodeAnnouncementInfoDecodeErrorZ* arg_conv = (LDKCResult_NodeAnnouncementInfoDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NodeAnnouncementInfoDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NodeAnnouncementInfoDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20273,7 +20273,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementIn
        LDKCResult_NodeAnnouncementInfoDecodeErrorZ* orig_conv = (LDKCResult_NodeAnnouncementInfoDecodeErrorZ*)(orig & ~1);
        LDKCResult_NodeAnnouncementInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementInfoDecodeErrorZ), "LDKCResult_NodeAnnouncementInfoDecodeErrorZ");
        *ret_conv = CResult_NodeAnnouncementInfoDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1u64Z_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -20300,7 +20300,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErro
        o_conv = NodeInfo_clone(&o_conv);
        LDKCResult_NodeInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeInfoDecodeErrorZ), "LDKCResult_NodeInfoDecodeErrorZ");
        *ret_conv = CResult_NodeInfoDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20311,7 +20311,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErro
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_NodeInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeInfoDecodeErrorZ), "LDKCResult_NodeInfoDecodeErrorZ");
        *ret_conv = CResult_NodeInfoDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20332,11 +20332,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErrorZ_
 static inline uintptr_t CResult_NodeInfoDecodeErrorZ_clone_ptr(LDKCResult_NodeInfoDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_NodeInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeInfoDecodeErrorZ), "LDKCResult_NodeInfoDecodeErrorZ");
        *ret_conv = CResult_NodeInfoDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NodeInfoDecodeErrorZ* arg_conv = (LDKCResult_NodeInfoDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NodeInfoDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NodeInfoDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20344,7 +20344,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErro
        LDKCResult_NodeInfoDecodeErrorZ* orig_conv = (LDKCResult_NodeInfoDecodeErrorZ*)(orig & ~1);
        LDKCResult_NodeInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeInfoDecodeErrorZ), "LDKCResult_NodeInfoDecodeErrorZ");
        *ret_conv = CResult_NodeInfoDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20355,7 +20355,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecode
        o_conv = NetworkGraph_clone(&o_conv);
        LDKCResult_NetworkGraphDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetworkGraphDecodeErrorZ), "LDKCResult_NetworkGraphDecodeErrorZ");
        *ret_conv = CResult_NetworkGraphDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20366,7 +20366,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecode
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_NetworkGraphDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetworkGraphDecodeErrorZ), "LDKCResult_NetworkGraphDecodeErrorZ");
        *ret_conv = CResult_NetworkGraphDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20387,11 +20387,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecodeErr
 static inline uintptr_t CResult_NetworkGraphDecodeErrorZ_clone_ptr(LDKCResult_NetworkGraphDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_NetworkGraphDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetworkGraphDecodeErrorZ), "LDKCResult_NetworkGraphDecodeErrorZ");
        *ret_conv = CResult_NetworkGraphDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NetworkGraphDecodeErrorZ* arg_conv = (LDKCResult_NetworkGraphDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NetworkGraphDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NetworkGraphDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20399,7 +20399,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecode
        LDKCResult_NetworkGraphDecodeErrorZ* orig_conv = (LDKCResult_NetworkGraphDecodeErrorZ*)(orig & ~1);
        LDKCResult_NetworkGraphDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetworkGraphDecodeErrorZ), "LDKCResult_NetworkGraphDecodeErrorZ");
        *ret_conv = CResult_NetworkGraphDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ_1some(JNIEnv *env, jclass clz, int64_tArray o) {
@@ -20421,14 +20421,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ
        (*env)->ReleaseLongArrayElements(env, o, o_vals, 0);
        LDKCOption_CVec_NetAddressZZ *ret_copy = MALLOC(sizeof(LDKCOption_CVec_NetAddressZZ), "LDKCOption_CVec_NetAddressZZ");
        *ret_copy = COption_CVec_NetAddressZZ_some(o_constr);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ_1none(JNIEnv *env, jclass clz) {
        LDKCOption_CVec_NetAddressZZ *ret_copy = MALLOC(sizeof(LDKCOption_CVec_NetAddressZZ), "LDKCOption_CVec_NetAddressZZ");
        *ret_copy = COption_CVec_NetAddressZZ_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -20444,12 +20444,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ_1f
 static inline uintptr_t COption_CVec_NetAddressZZ_clone_ptr(LDKCOption_CVec_NetAddressZZ *NONNULL_PTR arg) {
        LDKCOption_CVec_NetAddressZZ *ret_copy = MALLOC(sizeof(LDKCOption_CVec_NetAddressZZ), "LDKCOption_CVec_NetAddressZZ");
        *ret_copy = COption_CVec_NetAddressZZ_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_CVec_NetAddressZZ* arg_conv = (LDKCOption_CVec_NetAddressZZ*)arg;
-       intptr_t ret_val = COption_CVec_NetAddressZZ_clone_ptr(arg_conv);
+       int64_t ret_val = COption_CVec_NetAddressZZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20457,7 +20457,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ
        LDKCOption_CVec_NetAddressZZ* orig_conv = (LDKCOption_CVec_NetAddressZZ*)orig;
        LDKCOption_CVec_NetAddressZZ *ret_copy = MALLOC(sizeof(LDKCOption_CVec_NetAddressZZ), "LDKCOption_CVec_NetAddressZZ");
        *ret_copy = COption_CVec_NetAddressZZ_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -20468,7 +20468,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeEr
        o_conv = NetAddress_clone((LDKNetAddress*)(((uintptr_t)o) & ~1));
        LDKCResult_NetAddressDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetAddressDecodeErrorZ), "LDKCResult_NetAddressDecodeErrorZ");
        *ret_conv = CResult_NetAddressDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20479,7 +20479,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeEr
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_NetAddressDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetAddressDecodeErrorZ), "LDKCResult_NetAddressDecodeErrorZ");
        *ret_conv = CResult_NetAddressDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20500,11 +20500,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeError
 static inline uintptr_t CResult_NetAddressDecodeErrorZ_clone_ptr(LDKCResult_NetAddressDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_NetAddressDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetAddressDecodeErrorZ), "LDKCResult_NetAddressDecodeErrorZ");
        *ret_conv = CResult_NetAddressDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NetAddressDecodeErrorZ* arg_conv = (LDKCResult_NetAddressDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NetAddressDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NetAddressDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20512,7 +20512,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeEr
        LDKCResult_NetAddressDecodeErrorZ* orig_conv = (LDKCResult_NetAddressDecodeErrorZ*)(orig & ~1);
        LDKCResult_NetAddressDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetAddressDecodeErrorZ), "LDKCResult_NetAddressDecodeErrorZ");
        *ret_conv = CResult_NetAddressDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1UpdateAddHTLCZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -20603,7 +20603,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecod
        o_conv = AcceptChannel_clone(&o_conv);
        LDKCResult_AcceptChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AcceptChannelDecodeErrorZ), "LDKCResult_AcceptChannelDecodeErrorZ");
        *ret_conv = CResult_AcceptChannelDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20614,7 +20614,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecod
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_AcceptChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AcceptChannelDecodeErrorZ), "LDKCResult_AcceptChannelDecodeErrorZ");
        *ret_conv = CResult_AcceptChannelDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20635,11 +20635,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecodeEr
 static inline uintptr_t CResult_AcceptChannelDecodeErrorZ_clone_ptr(LDKCResult_AcceptChannelDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_AcceptChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AcceptChannelDecodeErrorZ), "LDKCResult_AcceptChannelDecodeErrorZ");
        *ret_conv = CResult_AcceptChannelDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_AcceptChannelDecodeErrorZ* arg_conv = (LDKCResult_AcceptChannelDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_AcceptChannelDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_AcceptChannelDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20647,7 +20647,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecod
        LDKCResult_AcceptChannelDecodeErrorZ* orig_conv = (LDKCResult_AcceptChannelDecodeErrorZ*)(orig & ~1);
        LDKCResult_AcceptChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AcceptChannelDecodeErrorZ), "LDKCResult_AcceptChannelDecodeErrorZ");
        *ret_conv = CResult_AcceptChannelDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignaturesDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20658,7 +20658,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignat
        o_conv = AnnouncementSignatures_clone(&o_conv);
        LDKCResult_AnnouncementSignaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AnnouncementSignaturesDecodeErrorZ), "LDKCResult_AnnouncementSignaturesDecodeErrorZ");
        *ret_conv = CResult_AnnouncementSignaturesDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignaturesDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20669,7 +20669,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignat
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_AnnouncementSignaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AnnouncementSignaturesDecodeErrorZ), "LDKCResult_AnnouncementSignaturesDecodeErrorZ");
        *ret_conv = CResult_AnnouncementSignaturesDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignaturesDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20690,11 +20690,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignature
 static inline uintptr_t CResult_AnnouncementSignaturesDecodeErrorZ_clone_ptr(LDKCResult_AnnouncementSignaturesDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_AnnouncementSignaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AnnouncementSignaturesDecodeErrorZ), "LDKCResult_AnnouncementSignaturesDecodeErrorZ");
        *ret_conv = CResult_AnnouncementSignaturesDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignaturesDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignaturesDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_AnnouncementSignaturesDecodeErrorZ* arg_conv = (LDKCResult_AnnouncementSignaturesDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_AnnouncementSignaturesDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_AnnouncementSignaturesDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20702,7 +20702,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignat
        LDKCResult_AnnouncementSignaturesDecodeErrorZ* orig_conv = (LDKCResult_AnnouncementSignaturesDecodeErrorZ*)(orig & ~1);
        LDKCResult_AnnouncementSignaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AnnouncementSignaturesDecodeErrorZ), "LDKCResult_AnnouncementSignaturesDecodeErrorZ");
        *ret_conv = CResult_AnnouncementSignaturesDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablishDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20713,7 +20713,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablish
        o_conv = ChannelReestablish_clone(&o_conv);
        LDKCResult_ChannelReestablishDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelReestablishDecodeErrorZ), "LDKCResult_ChannelReestablishDecodeErrorZ");
        *ret_conv = CResult_ChannelReestablishDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablishDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20724,7 +20724,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablish
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelReestablishDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelReestablishDecodeErrorZ), "LDKCResult_ChannelReestablishDecodeErrorZ");
        *ret_conv = CResult_ChannelReestablishDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablishDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20745,11 +20745,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablishDec
 static inline uintptr_t CResult_ChannelReestablishDecodeErrorZ_clone_ptr(LDKCResult_ChannelReestablishDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelReestablishDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelReestablishDecodeErrorZ), "LDKCResult_ChannelReestablishDecodeErrorZ");
        *ret_conv = CResult_ChannelReestablishDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablishDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablishDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelReestablishDecodeErrorZ* arg_conv = (LDKCResult_ChannelReestablishDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelReestablishDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelReestablishDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20757,7 +20757,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablish
        LDKCResult_ChannelReestablishDecodeErrorZ* orig_conv = (LDKCResult_ChannelReestablishDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelReestablishDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelReestablishDecodeErrorZ), "LDKCResult_ChannelReestablishDecodeErrorZ");
        *ret_conv = CResult_ChannelReestablishDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20768,7 +20768,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecod
        o_conv = ClosingSigned_clone(&o_conv);
        LDKCResult_ClosingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedDecodeErrorZ), "LDKCResult_ClosingSignedDecodeErrorZ");
        *ret_conv = CResult_ClosingSignedDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20779,7 +20779,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecod
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ClosingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedDecodeErrorZ), "LDKCResult_ClosingSignedDecodeErrorZ");
        *ret_conv = CResult_ClosingSignedDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20800,11 +20800,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecodeEr
 static inline uintptr_t CResult_ClosingSignedDecodeErrorZ_clone_ptr(LDKCResult_ClosingSignedDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ClosingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedDecodeErrorZ), "LDKCResult_ClosingSignedDecodeErrorZ");
        *ret_conv = CResult_ClosingSignedDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ClosingSignedDecodeErrorZ* arg_conv = (LDKCResult_ClosingSignedDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ClosingSignedDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ClosingSignedDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20812,7 +20812,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecod
        LDKCResult_ClosingSignedDecodeErrorZ* orig_conv = (LDKCResult_ClosingSignedDecodeErrorZ*)(orig & ~1);
        LDKCResult_ClosingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedDecodeErrorZ), "LDKCResult_ClosingSignedDecodeErrorZ");
        *ret_conv = CResult_ClosingSignedDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRangeDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20823,7 +20823,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRa
        o_conv = ClosingSignedFeeRange_clone(&o_conv);
        LDKCResult_ClosingSignedFeeRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ), "LDKCResult_ClosingSignedFeeRangeDecodeErrorZ");
        *ret_conv = CResult_ClosingSignedFeeRangeDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRangeDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20834,7 +20834,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRa
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ClosingSignedFeeRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ), "LDKCResult_ClosingSignedFeeRangeDecodeErrorZ");
        *ret_conv = CResult_ClosingSignedFeeRangeDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRangeDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20855,11 +20855,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRange
 static inline uintptr_t CResult_ClosingSignedFeeRangeDecodeErrorZ_clone_ptr(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ClosingSignedFeeRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ), "LDKCResult_ClosingSignedFeeRangeDecodeErrorZ");
        *ret_conv = CResult_ClosingSignedFeeRangeDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRangeDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRangeDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ClosingSignedFeeRangeDecodeErrorZ* arg_conv = (LDKCResult_ClosingSignedFeeRangeDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ClosingSignedFeeRangeDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ClosingSignedFeeRangeDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20867,7 +20867,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRa
        LDKCResult_ClosingSignedFeeRangeDecodeErrorZ* orig_conv = (LDKCResult_ClosingSignedFeeRangeDecodeErrorZ*)(orig & ~1);
        LDKCResult_ClosingSignedFeeRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ), "LDKCResult_ClosingSignedFeeRangeDecodeErrorZ");
        *ret_conv = CResult_ClosingSignedFeeRangeDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20878,7 +20878,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDe
        o_conv = CommitmentSigned_clone(&o_conv);
        LDKCResult_CommitmentSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentSignedDecodeErrorZ), "LDKCResult_CommitmentSignedDecodeErrorZ");
        *ret_conv = CResult_CommitmentSignedDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20889,7 +20889,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDe
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_CommitmentSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentSignedDecodeErrorZ), "LDKCResult_CommitmentSignedDecodeErrorZ");
        *ret_conv = CResult_CommitmentSignedDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20910,11 +20910,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDecod
 static inline uintptr_t CResult_CommitmentSignedDecodeErrorZ_clone_ptr(LDKCResult_CommitmentSignedDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_CommitmentSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentSignedDecodeErrorZ), "LDKCResult_CommitmentSignedDecodeErrorZ");
        *ret_conv = CResult_CommitmentSignedDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_CommitmentSignedDecodeErrorZ* arg_conv = (LDKCResult_CommitmentSignedDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_CommitmentSignedDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_CommitmentSignedDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20922,7 +20922,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDe
        LDKCResult_CommitmentSignedDecodeErrorZ* orig_conv = (LDKCResult_CommitmentSignedDecodeErrorZ*)(orig & ~1);
        LDKCResult_CommitmentSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentSignedDecodeErrorZ), "LDKCResult_CommitmentSignedDecodeErrorZ");
        *ret_conv = CResult_CommitmentSignedDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20933,7 +20933,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDeco
        o_conv = FundingCreated_clone(&o_conv);
        LDKCResult_FundingCreatedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingCreatedDecodeErrorZ), "LDKCResult_FundingCreatedDecodeErrorZ");
        *ret_conv = CResult_FundingCreatedDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20944,7 +20944,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDeco
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_FundingCreatedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingCreatedDecodeErrorZ), "LDKCResult_FundingCreatedDecodeErrorZ");
        *ret_conv = CResult_FundingCreatedDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20965,11 +20965,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDecodeE
 static inline uintptr_t CResult_FundingCreatedDecodeErrorZ_clone_ptr(LDKCResult_FundingCreatedDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_FundingCreatedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingCreatedDecodeErrorZ), "LDKCResult_FundingCreatedDecodeErrorZ");
        *ret_conv = CResult_FundingCreatedDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_FundingCreatedDecodeErrorZ* arg_conv = (LDKCResult_FundingCreatedDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_FundingCreatedDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_FundingCreatedDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20977,7 +20977,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDeco
        LDKCResult_FundingCreatedDecodeErrorZ* orig_conv = (LDKCResult_FundingCreatedDecodeErrorZ*)(orig & ~1);
        LDKCResult_FundingCreatedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingCreatedDecodeErrorZ), "LDKCResult_FundingCreatedDecodeErrorZ");
        *ret_conv = CResult_FundingCreatedDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20988,7 +20988,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecod
        o_conv = FundingSigned_clone(&o_conv);
        LDKCResult_FundingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingSignedDecodeErrorZ), "LDKCResult_FundingSignedDecodeErrorZ");
        *ret_conv = CResult_FundingSignedDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20999,7 +20999,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecod
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_FundingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingSignedDecodeErrorZ), "LDKCResult_FundingSignedDecodeErrorZ");
        *ret_conv = CResult_FundingSignedDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21020,11 +21020,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecodeEr
 static inline uintptr_t CResult_FundingSignedDecodeErrorZ_clone_ptr(LDKCResult_FundingSignedDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_FundingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingSignedDecodeErrorZ), "LDKCResult_FundingSignedDecodeErrorZ");
        *ret_conv = CResult_FundingSignedDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_FundingSignedDecodeErrorZ* arg_conv = (LDKCResult_FundingSignedDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_FundingSignedDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_FundingSignedDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21032,7 +21032,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecod
        LDKCResult_FundingSignedDecodeErrorZ* orig_conv = (LDKCResult_FundingSignedDecodeErrorZ*)(orig & ~1);
        LDKCResult_FundingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingSignedDecodeErrorZ), "LDKCResult_FundingSignedDecodeErrorZ");
        *ret_conv = CResult_FundingSignedDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21043,7 +21043,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecod
        o_conv = FundingLocked_clone(&o_conv);
        LDKCResult_FundingLockedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingLockedDecodeErrorZ), "LDKCResult_FundingLockedDecodeErrorZ");
        *ret_conv = CResult_FundingLockedDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21054,7 +21054,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecod
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_FundingLockedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingLockedDecodeErrorZ), "LDKCResult_FundingLockedDecodeErrorZ");
        *ret_conv = CResult_FundingLockedDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21075,11 +21075,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecodeEr
 static inline uintptr_t CResult_FundingLockedDecodeErrorZ_clone_ptr(LDKCResult_FundingLockedDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_FundingLockedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingLockedDecodeErrorZ), "LDKCResult_FundingLockedDecodeErrorZ");
        *ret_conv = CResult_FundingLockedDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_FundingLockedDecodeErrorZ* arg_conv = (LDKCResult_FundingLockedDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_FundingLockedDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_FundingLockedDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21087,7 +21087,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecod
        LDKCResult_FundingLockedDecodeErrorZ* orig_conv = (LDKCResult_FundingLockedDecodeErrorZ*)(orig & ~1);
        LDKCResult_FundingLockedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingLockedDecodeErrorZ), "LDKCResult_FundingLockedDecodeErrorZ");
        *ret_conv = CResult_FundingLockedDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21098,7 +21098,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1
        o_conv = Init_clone(&o_conv);
        LDKCResult_InitDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InitDecodeErrorZ), "LDKCResult_InitDecodeErrorZ");
        *ret_conv = CResult_InitDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21109,7 +21109,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_InitDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InitDecodeErrorZ), "LDKCResult_InitDecodeErrorZ");
        *ret_conv = CResult_InitDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21130,11 +21130,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1fre
 static inline uintptr_t CResult_InitDecodeErrorZ_clone_ptr(LDKCResult_InitDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_InitDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InitDecodeErrorZ), "LDKCResult_InitDecodeErrorZ");
        *ret_conv = CResult_InitDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_InitDecodeErrorZ* arg_conv = (LDKCResult_InitDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_InitDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_InitDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21142,7 +21142,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1
        LDKCResult_InitDecodeErrorZ* orig_conv = (LDKCResult_InitDecodeErrorZ*)(orig & ~1);
        LDKCResult_InitDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InitDecodeErrorZ), "LDKCResult_InitDecodeErrorZ");
        *ret_conv = CResult_InitDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21153,7 +21153,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeE
        o_conv = OpenChannel_clone(&o_conv);
        LDKCResult_OpenChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OpenChannelDecodeErrorZ), "LDKCResult_OpenChannelDecodeErrorZ");
        *ret_conv = CResult_OpenChannelDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21164,7 +21164,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeE
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_OpenChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OpenChannelDecodeErrorZ), "LDKCResult_OpenChannelDecodeErrorZ");
        *ret_conv = CResult_OpenChannelDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21185,11 +21185,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeErro
 static inline uintptr_t CResult_OpenChannelDecodeErrorZ_clone_ptr(LDKCResult_OpenChannelDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_OpenChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OpenChannelDecodeErrorZ), "LDKCResult_OpenChannelDecodeErrorZ");
        *ret_conv = CResult_OpenChannelDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_OpenChannelDecodeErrorZ* arg_conv = (LDKCResult_OpenChannelDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_OpenChannelDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_OpenChannelDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21197,7 +21197,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeE
        LDKCResult_OpenChannelDecodeErrorZ* orig_conv = (LDKCResult_OpenChannelDecodeErrorZ*)(orig & ~1);
        LDKCResult_OpenChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OpenChannelDecodeErrorZ), "LDKCResult_OpenChannelDecodeErrorZ");
        *ret_conv = CResult_OpenChannelDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21208,7 +21208,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecode
        o_conv = RevokeAndACK_clone(&o_conv);
        LDKCResult_RevokeAndACKDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RevokeAndACKDecodeErrorZ), "LDKCResult_RevokeAndACKDecodeErrorZ");
        *ret_conv = CResult_RevokeAndACKDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21219,7 +21219,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecode
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_RevokeAndACKDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RevokeAndACKDecodeErrorZ), "LDKCResult_RevokeAndACKDecodeErrorZ");
        *ret_conv = CResult_RevokeAndACKDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21240,11 +21240,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecodeErr
 static inline uintptr_t CResult_RevokeAndACKDecodeErrorZ_clone_ptr(LDKCResult_RevokeAndACKDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_RevokeAndACKDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RevokeAndACKDecodeErrorZ), "LDKCResult_RevokeAndACKDecodeErrorZ");
        *ret_conv = CResult_RevokeAndACKDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_RevokeAndACKDecodeErrorZ* arg_conv = (LDKCResult_RevokeAndACKDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_RevokeAndACKDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_RevokeAndACKDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21252,7 +21252,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecode
        LDKCResult_RevokeAndACKDecodeErrorZ* orig_conv = (LDKCResult_RevokeAndACKDecodeErrorZ*)(orig & ~1);
        LDKCResult_RevokeAndACKDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RevokeAndACKDecodeErrorZ), "LDKCResult_RevokeAndACKDecodeErrorZ");
        *ret_conv = CResult_RevokeAndACKDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21263,7 +21263,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErro
        o_conv = Shutdown_clone(&o_conv);
        LDKCResult_ShutdownDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownDecodeErrorZ), "LDKCResult_ShutdownDecodeErrorZ");
        *ret_conv = CResult_ShutdownDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21274,7 +21274,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErro
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ShutdownDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownDecodeErrorZ), "LDKCResult_ShutdownDecodeErrorZ");
        *ret_conv = CResult_ShutdownDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21295,11 +21295,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErrorZ_
 static inline uintptr_t CResult_ShutdownDecodeErrorZ_clone_ptr(LDKCResult_ShutdownDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ShutdownDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownDecodeErrorZ), "LDKCResult_ShutdownDecodeErrorZ");
        *ret_conv = CResult_ShutdownDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ShutdownDecodeErrorZ* arg_conv = (LDKCResult_ShutdownDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ShutdownDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ShutdownDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21307,7 +21307,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErro
        LDKCResult_ShutdownDecodeErrorZ* orig_conv = (LDKCResult_ShutdownDecodeErrorZ*)(orig & ~1);
        LDKCResult_ShutdownDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownDecodeErrorZ), "LDKCResult_ShutdownDecodeErrorZ");
        *ret_conv = CResult_ShutdownDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21318,7 +21318,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDeco
        o_conv = UpdateFailHTLC_clone(&o_conv);
        LDKCResult_UpdateFailHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailHTLCDecodeErrorZ), "LDKCResult_UpdateFailHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFailHTLCDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21329,7 +21329,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDeco
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_UpdateFailHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailHTLCDecodeErrorZ), "LDKCResult_UpdateFailHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFailHTLCDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21350,11 +21350,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDecodeE
 static inline uintptr_t CResult_UpdateFailHTLCDecodeErrorZ_clone_ptr(LDKCResult_UpdateFailHTLCDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_UpdateFailHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailHTLCDecodeErrorZ), "LDKCResult_UpdateFailHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFailHTLCDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_UpdateFailHTLCDecodeErrorZ* arg_conv = (LDKCResult_UpdateFailHTLCDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_UpdateFailHTLCDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_UpdateFailHTLCDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21362,7 +21362,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDeco
        LDKCResult_UpdateFailHTLCDecodeErrorZ* orig_conv = (LDKCResult_UpdateFailHTLCDecodeErrorZ*)(orig & ~1);
        LDKCResult_UpdateFailHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailHTLCDecodeErrorZ), "LDKCResult_UpdateFailHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFailHTLCDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalformedHTLCDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21373,7 +21373,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalforme
        o_conv = UpdateFailMalformedHTLC_clone(&o_conv);
        LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ), "LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFailMalformedHTLCDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalformedHTLCDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21384,7 +21384,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalforme
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ), "LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFailMalformedHTLCDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalformedHTLCDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21405,11 +21405,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalformedHT
 static inline uintptr_t CResult_UpdateFailMalformedHTLCDecodeErrorZ_clone_ptr(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ), "LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFailMalformedHTLCDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalformedHTLCDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalformedHTLCDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ* arg_conv = (LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_UpdateFailMalformedHTLCDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_UpdateFailMalformedHTLCDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21417,7 +21417,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalforme
        LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ* orig_conv = (LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ*)(orig & ~1);
        LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ), "LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFailMalformedHTLCDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21428,7 +21428,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErr
        o_conv = UpdateFee_clone(&o_conv);
        LDKCResult_UpdateFeeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFeeDecodeErrorZ), "LDKCResult_UpdateFeeDecodeErrorZ");
        *ret_conv = CResult_UpdateFeeDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21439,7 +21439,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErr
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_UpdateFeeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFeeDecodeErrorZ), "LDKCResult_UpdateFeeDecodeErrorZ");
        *ret_conv = CResult_UpdateFeeDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21460,11 +21460,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErrorZ
 static inline uintptr_t CResult_UpdateFeeDecodeErrorZ_clone_ptr(LDKCResult_UpdateFeeDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_UpdateFeeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFeeDecodeErrorZ), "LDKCResult_UpdateFeeDecodeErrorZ");
        *ret_conv = CResult_UpdateFeeDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_UpdateFeeDecodeErrorZ* arg_conv = (LDKCResult_UpdateFeeDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_UpdateFeeDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_UpdateFeeDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21472,7 +21472,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErr
        LDKCResult_UpdateFeeDecodeErrorZ* orig_conv = (LDKCResult_UpdateFeeDecodeErrorZ*)(orig & ~1);
        LDKCResult_UpdateFeeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFeeDecodeErrorZ), "LDKCResult_UpdateFeeDecodeErrorZ");
        *ret_conv = CResult_UpdateFeeDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21483,7 +21483,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCD
        o_conv = UpdateFulfillHTLC_clone(&o_conv);
        LDKCResult_UpdateFulfillHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFulfillHTLCDecodeErrorZ), "LDKCResult_UpdateFulfillHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFulfillHTLCDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21494,7 +21494,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCD
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_UpdateFulfillHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFulfillHTLCDecodeErrorZ), "LDKCResult_UpdateFulfillHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFulfillHTLCDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21515,11 +21515,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCDeco
 static inline uintptr_t CResult_UpdateFulfillHTLCDecodeErrorZ_clone_ptr(LDKCResult_UpdateFulfillHTLCDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_UpdateFulfillHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFulfillHTLCDecodeErrorZ), "LDKCResult_UpdateFulfillHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFulfillHTLCDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_UpdateFulfillHTLCDecodeErrorZ* arg_conv = (LDKCResult_UpdateFulfillHTLCDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_UpdateFulfillHTLCDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_UpdateFulfillHTLCDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21527,7 +21527,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCD
        LDKCResult_UpdateFulfillHTLCDecodeErrorZ* orig_conv = (LDKCResult_UpdateFulfillHTLCDecodeErrorZ*)(orig & ~1);
        LDKCResult_UpdateFulfillHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFulfillHTLCDecodeErrorZ), "LDKCResult_UpdateFulfillHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFulfillHTLCDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21538,7 +21538,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecod
        o_conv = UpdateAddHTLC_clone(&o_conv);
        LDKCResult_UpdateAddHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateAddHTLCDecodeErrorZ), "LDKCResult_UpdateAddHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateAddHTLCDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21549,7 +21549,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecod
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_UpdateAddHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateAddHTLCDecodeErrorZ), "LDKCResult_UpdateAddHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateAddHTLCDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21570,11 +21570,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecodeEr
 static inline uintptr_t CResult_UpdateAddHTLCDecodeErrorZ_clone_ptr(LDKCResult_UpdateAddHTLCDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_UpdateAddHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateAddHTLCDecodeErrorZ), "LDKCResult_UpdateAddHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateAddHTLCDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_UpdateAddHTLCDecodeErrorZ* arg_conv = (LDKCResult_UpdateAddHTLCDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_UpdateAddHTLCDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_UpdateAddHTLCDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21582,7 +21582,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecod
        LDKCResult_UpdateAddHTLCDecodeErrorZ* orig_conv = (LDKCResult_UpdateAddHTLCDecodeErrorZ*)(orig & ~1);
        LDKCResult_UpdateAddHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateAddHTLCDecodeErrorZ), "LDKCResult_UpdateAddHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateAddHTLCDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21593,7 +21593,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1
        o_conv = Ping_clone(&o_conv);
        LDKCResult_PingDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PingDecodeErrorZ), "LDKCResult_PingDecodeErrorZ");
        *ret_conv = CResult_PingDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21604,7 +21604,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_PingDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PingDecodeErrorZ), "LDKCResult_PingDecodeErrorZ");
        *ret_conv = CResult_PingDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21625,11 +21625,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1fre
 static inline uintptr_t CResult_PingDecodeErrorZ_clone_ptr(LDKCResult_PingDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_PingDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PingDecodeErrorZ), "LDKCResult_PingDecodeErrorZ");
        *ret_conv = CResult_PingDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PingDecodeErrorZ* arg_conv = (LDKCResult_PingDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PingDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PingDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21637,7 +21637,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1
        LDKCResult_PingDecodeErrorZ* orig_conv = (LDKCResult_PingDecodeErrorZ*)(orig & ~1);
        LDKCResult_PingDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PingDecodeErrorZ), "LDKCResult_PingDecodeErrorZ");
        *ret_conv = CResult_PingDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21648,7 +21648,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1
        o_conv = Pong_clone(&o_conv);
        LDKCResult_PongDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PongDecodeErrorZ), "LDKCResult_PongDecodeErrorZ");
        *ret_conv = CResult_PongDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21659,7 +21659,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_PongDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PongDecodeErrorZ), "LDKCResult_PongDecodeErrorZ");
        *ret_conv = CResult_PongDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21680,11 +21680,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1fre
 static inline uintptr_t CResult_PongDecodeErrorZ_clone_ptr(LDKCResult_PongDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_PongDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PongDecodeErrorZ), "LDKCResult_PongDecodeErrorZ");
        *ret_conv = CResult_PongDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PongDecodeErrorZ* arg_conv = (LDKCResult_PongDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PongDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PongDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21692,7 +21692,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1
        LDKCResult_PongDecodeErrorZ* orig_conv = (LDKCResult_PongDecodeErrorZ*)(orig & ~1);
        LDKCResult_PongDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PongDecodeErrorZ), "LDKCResult_PongDecodeErrorZ");
        *ret_conv = CResult_PongDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnnouncementDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21703,7 +21703,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnn
        o_conv = UnsignedChannelAnnouncement_clone(&o_conv);
        LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ), "LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ");
        *ret_conv = CResult_UnsignedChannelAnnouncementDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnnouncementDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21714,7 +21714,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnn
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ), "LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ");
        *ret_conv = CResult_UnsignedChannelAnnouncementDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnnouncementDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21735,11 +21735,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnnoun
 static inline uintptr_t CResult_UnsignedChannelAnnouncementDecodeErrorZ_clone_ptr(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ), "LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ");
        *ret_conv = CResult_UnsignedChannelAnnouncementDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnnouncementDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnnouncementDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ* arg_conv = (LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_UnsignedChannelAnnouncementDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_UnsignedChannelAnnouncementDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21747,7 +21747,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnn
        LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ* orig_conv = (LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ*)(orig & ~1);
        LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ), "LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ");
        *ret_conv = CResult_UnsignedChannelAnnouncementDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncementDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21758,7 +21758,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncemen
        o_conv = ChannelAnnouncement_clone(&o_conv);
        LDKCResult_ChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelAnnouncementDecodeErrorZ), "LDKCResult_ChannelAnnouncementDecodeErrorZ");
        *ret_conv = CResult_ChannelAnnouncementDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncementDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21769,7 +21769,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncemen
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelAnnouncementDecodeErrorZ), "LDKCResult_ChannelAnnouncementDecodeErrorZ");
        *ret_conv = CResult_ChannelAnnouncementDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncementDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21790,11 +21790,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncementDe
 static inline uintptr_t CResult_ChannelAnnouncementDecodeErrorZ_clone_ptr(LDKCResult_ChannelAnnouncementDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelAnnouncementDecodeErrorZ), "LDKCResult_ChannelAnnouncementDecodeErrorZ");
        *ret_conv = CResult_ChannelAnnouncementDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncementDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncementDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelAnnouncementDecodeErrorZ* arg_conv = (LDKCResult_ChannelAnnouncementDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelAnnouncementDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelAnnouncementDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21802,7 +21802,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncemen
        LDKCResult_ChannelAnnouncementDecodeErrorZ* orig_conv = (LDKCResult_ChannelAnnouncementDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelAnnouncementDecodeErrorZ), "LDKCResult_ChannelAnnouncementDecodeErrorZ");
        *ret_conv = CResult_ChannelAnnouncementDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpdateDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21813,7 +21813,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpd
        o_conv = UnsignedChannelUpdate_clone(&o_conv);
        LDKCResult_UnsignedChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelUpdateDecodeErrorZ), "LDKCResult_UnsignedChannelUpdateDecodeErrorZ");
        *ret_conv = CResult_UnsignedChannelUpdateDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpdateDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21824,7 +21824,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpd
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_UnsignedChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelUpdateDecodeErrorZ), "LDKCResult_UnsignedChannelUpdateDecodeErrorZ");
        *ret_conv = CResult_UnsignedChannelUpdateDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpdateDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21845,11 +21845,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpdate
 static inline uintptr_t CResult_UnsignedChannelUpdateDecodeErrorZ_clone_ptr(LDKCResult_UnsignedChannelUpdateDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_UnsignedChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelUpdateDecodeErrorZ), "LDKCResult_UnsignedChannelUpdateDecodeErrorZ");
        *ret_conv = CResult_UnsignedChannelUpdateDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpdateDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpdateDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_UnsignedChannelUpdateDecodeErrorZ* arg_conv = (LDKCResult_UnsignedChannelUpdateDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_UnsignedChannelUpdateDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_UnsignedChannelUpdateDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21857,7 +21857,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpd
        LDKCResult_UnsignedChannelUpdateDecodeErrorZ* orig_conv = (LDKCResult_UnsignedChannelUpdateDecodeErrorZ*)(orig & ~1);
        LDKCResult_UnsignedChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelUpdateDecodeErrorZ), "LDKCResult_UnsignedChannelUpdateDecodeErrorZ");
        *ret_conv = CResult_UnsignedChannelUpdateDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21868,7 +21868,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecod
        o_conv = ChannelUpdate_clone(&o_conv);
        LDKCResult_ChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateDecodeErrorZ), "LDKCResult_ChannelUpdateDecodeErrorZ");
        *ret_conv = CResult_ChannelUpdateDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21879,7 +21879,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecod
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateDecodeErrorZ), "LDKCResult_ChannelUpdateDecodeErrorZ");
        *ret_conv = CResult_ChannelUpdateDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21900,11 +21900,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecodeEr
 static inline uintptr_t CResult_ChannelUpdateDecodeErrorZ_clone_ptr(LDKCResult_ChannelUpdateDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateDecodeErrorZ), "LDKCResult_ChannelUpdateDecodeErrorZ");
        *ret_conv = CResult_ChannelUpdateDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelUpdateDecodeErrorZ* arg_conv = (LDKCResult_ChannelUpdateDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelUpdateDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelUpdateDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21912,7 +21912,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecod
        LDKCResult_ChannelUpdateDecodeErrorZ* orig_conv = (LDKCResult_ChannelUpdateDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateDecodeErrorZ), "LDKCResult_ChannelUpdateDecodeErrorZ");
        *ret_conv = CResult_ChannelUpdateDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21923,7 +21923,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecode
        o_conv = ErrorMessage_clone(&o_conv);
        LDKCResult_ErrorMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ErrorMessageDecodeErrorZ), "LDKCResult_ErrorMessageDecodeErrorZ");
        *ret_conv = CResult_ErrorMessageDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21934,7 +21934,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecode
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ErrorMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ErrorMessageDecodeErrorZ), "LDKCResult_ErrorMessageDecodeErrorZ");
        *ret_conv = CResult_ErrorMessageDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21955,11 +21955,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecodeErr
 static inline uintptr_t CResult_ErrorMessageDecodeErrorZ_clone_ptr(LDKCResult_ErrorMessageDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ErrorMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ErrorMessageDecodeErrorZ), "LDKCResult_ErrorMessageDecodeErrorZ");
        *ret_conv = CResult_ErrorMessageDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ErrorMessageDecodeErrorZ* arg_conv = (LDKCResult_ErrorMessageDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ErrorMessageDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ErrorMessageDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21967,7 +21967,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecode
        LDKCResult_ErrorMessageDecodeErrorZ* orig_conv = (LDKCResult_ErrorMessageDecodeErrorZ*)(orig & ~1);
        LDKCResult_ErrorMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ErrorMessageDecodeErrorZ), "LDKCResult_ErrorMessageDecodeErrorZ");
        *ret_conv = CResult_ErrorMessageDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21978,7 +21978,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDeco
        o_conv = WarningMessage_clone(&o_conv);
        LDKCResult_WarningMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_WarningMessageDecodeErrorZ), "LDKCResult_WarningMessageDecodeErrorZ");
        *ret_conv = CResult_WarningMessageDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21989,7 +21989,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDeco
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_WarningMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_WarningMessageDecodeErrorZ), "LDKCResult_WarningMessageDecodeErrorZ");
        *ret_conv = CResult_WarningMessageDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22010,11 +22010,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDecodeE
 static inline uintptr_t CResult_WarningMessageDecodeErrorZ_clone_ptr(LDKCResult_WarningMessageDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_WarningMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_WarningMessageDecodeErrorZ), "LDKCResult_WarningMessageDecodeErrorZ");
        *ret_conv = CResult_WarningMessageDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_WarningMessageDecodeErrorZ* arg_conv = (LDKCResult_WarningMessageDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_WarningMessageDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_WarningMessageDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22022,7 +22022,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDeco
        LDKCResult_WarningMessageDecodeErrorZ* orig_conv = (LDKCResult_WarningMessageDecodeErrorZ*)(orig & ~1);
        LDKCResult_WarningMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_WarningMessageDecodeErrorZ), "LDKCResult_WarningMessageDecodeErrorZ");
        *ret_conv = CResult_WarningMessageDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnouncementDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22033,7 +22033,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnoun
        o_conv = UnsignedNodeAnnouncement_clone(&o_conv);
        LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ), "LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ");
        *ret_conv = CResult_UnsignedNodeAnnouncementDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnouncementDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -22044,7 +22044,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnoun
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ), "LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ");
        *ret_conv = CResult_UnsignedNodeAnnouncementDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnouncementDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22065,11 +22065,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnouncem
 static inline uintptr_t CResult_UnsignedNodeAnnouncementDecodeErrorZ_clone_ptr(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ), "LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ");
        *ret_conv = CResult_UnsignedNodeAnnouncementDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnouncementDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnouncementDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ* arg_conv = (LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_UnsignedNodeAnnouncementDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_UnsignedNodeAnnouncementDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22077,7 +22077,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnoun
        LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ* orig_conv = (LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ*)(orig & ~1);
        LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ), "LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ");
        *ret_conv = CResult_UnsignedNodeAnnouncementDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22088,7 +22088,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDe
        o_conv = NodeAnnouncement_clone(&o_conv);
        LDKCResult_NodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementDecodeErrorZ), "LDKCResult_NodeAnnouncementDecodeErrorZ");
        *ret_conv = CResult_NodeAnnouncementDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -22099,7 +22099,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDe
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_NodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementDecodeErrorZ), "LDKCResult_NodeAnnouncementDecodeErrorZ");
        *ret_conv = CResult_NodeAnnouncementDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22120,11 +22120,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDecod
 static inline uintptr_t CResult_NodeAnnouncementDecodeErrorZ_clone_ptr(LDKCResult_NodeAnnouncementDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_NodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementDecodeErrorZ), "LDKCResult_NodeAnnouncementDecodeErrorZ");
        *ret_conv = CResult_NodeAnnouncementDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NodeAnnouncementDecodeErrorZ* arg_conv = (LDKCResult_NodeAnnouncementDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NodeAnnouncementDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NodeAnnouncementDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22132,7 +22132,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDe
        LDKCResult_NodeAnnouncementDecodeErrorZ* orig_conv = (LDKCResult_NodeAnnouncementDecodeErrorZ*)(orig & ~1);
        LDKCResult_NodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementDecodeErrorZ), "LDKCResult_NodeAnnouncementDecodeErrorZ");
        *ret_conv = CResult_NodeAnnouncementDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelIdsDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22143,7 +22143,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelI
        o_conv = QueryShortChannelIds_clone(&o_conv);
        LDKCResult_QueryShortChannelIdsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryShortChannelIdsDecodeErrorZ), "LDKCResult_QueryShortChannelIdsDecodeErrorZ");
        *ret_conv = CResult_QueryShortChannelIdsDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelIdsDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -22154,7 +22154,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelI
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_QueryShortChannelIdsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryShortChannelIdsDecodeErrorZ), "LDKCResult_QueryShortChannelIdsDecodeErrorZ");
        *ret_conv = CResult_QueryShortChannelIdsDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelIdsDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22175,11 +22175,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelIdsD
 static inline uintptr_t CResult_QueryShortChannelIdsDecodeErrorZ_clone_ptr(LDKCResult_QueryShortChannelIdsDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_QueryShortChannelIdsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryShortChannelIdsDecodeErrorZ), "LDKCResult_QueryShortChannelIdsDecodeErrorZ");
        *ret_conv = CResult_QueryShortChannelIdsDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelIdsDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelIdsDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_QueryShortChannelIdsDecodeErrorZ* arg_conv = (LDKCResult_QueryShortChannelIdsDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_QueryShortChannelIdsDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_QueryShortChannelIdsDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22187,7 +22187,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelI
        LDKCResult_QueryShortChannelIdsDecodeErrorZ* orig_conv = (LDKCResult_QueryShortChannelIdsDecodeErrorZ*)(orig & ~1);
        LDKCResult_QueryShortChannelIdsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryShortChannelIdsDecodeErrorZ), "LDKCResult_QueryShortChannelIdsDecodeErrorZ");
        *ret_conv = CResult_QueryShortChannelIdsDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelIdsEndDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22198,7 +22198,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelI
        o_conv = ReplyShortChannelIdsEnd_clone(&o_conv);
        LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ), "LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ");
        *ret_conv = CResult_ReplyShortChannelIdsEndDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelIdsEndDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -22209,7 +22209,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelI
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ), "LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ");
        *ret_conv = CResult_ReplyShortChannelIdsEndDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelIdsEndDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22230,11 +22230,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelIdsE
 static inline uintptr_t CResult_ReplyShortChannelIdsEndDecodeErrorZ_clone_ptr(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ), "LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ");
        *ret_conv = CResult_ReplyShortChannelIdsEndDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelIdsEndDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelIdsEndDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ* arg_conv = (LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ReplyShortChannelIdsEndDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ReplyShortChannelIdsEndDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22242,7 +22242,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelI
        LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ* orig_conv = (LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ*)(orig & ~1);
        LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ), "LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ");
        *ret_conv = CResult_ReplyShortChannelIdsEndDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22253,7 +22253,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeD
        o_conv = QueryChannelRange_clone(&o_conv);
        LDKCResult_QueryChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryChannelRangeDecodeErrorZ), "LDKCResult_QueryChannelRangeDecodeErrorZ");
        *ret_conv = CResult_QueryChannelRangeDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -22264,7 +22264,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeD
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_QueryChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryChannelRangeDecodeErrorZ), "LDKCResult_QueryChannelRangeDecodeErrorZ");
        *ret_conv = CResult_QueryChannelRangeDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22285,11 +22285,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeDeco
 static inline uintptr_t CResult_QueryChannelRangeDecodeErrorZ_clone_ptr(LDKCResult_QueryChannelRangeDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_QueryChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryChannelRangeDecodeErrorZ), "LDKCResult_QueryChannelRangeDecodeErrorZ");
        *ret_conv = CResult_QueryChannelRangeDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_QueryChannelRangeDecodeErrorZ* arg_conv = (LDKCResult_QueryChannelRangeDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_QueryChannelRangeDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_QueryChannelRangeDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22297,7 +22297,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeD
        LDKCResult_QueryChannelRangeDecodeErrorZ* orig_conv = (LDKCResult_QueryChannelRangeDecodeErrorZ*)(orig & ~1);
        LDKCResult_QueryChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryChannelRangeDecodeErrorZ), "LDKCResult_QueryChannelRangeDecodeErrorZ");
        *ret_conv = CResult_QueryChannelRangeDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22308,7 +22308,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeD
        o_conv = ReplyChannelRange_clone(&o_conv);
        LDKCResult_ReplyChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyChannelRangeDecodeErrorZ), "LDKCResult_ReplyChannelRangeDecodeErrorZ");
        *ret_conv = CResult_ReplyChannelRangeDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -22319,7 +22319,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeD
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ReplyChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyChannelRangeDecodeErrorZ), "LDKCResult_ReplyChannelRangeDecodeErrorZ");
        *ret_conv = CResult_ReplyChannelRangeDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22340,11 +22340,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeDeco
 static inline uintptr_t CResult_ReplyChannelRangeDecodeErrorZ_clone_ptr(LDKCResult_ReplyChannelRangeDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ReplyChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyChannelRangeDecodeErrorZ), "LDKCResult_ReplyChannelRangeDecodeErrorZ");
        *ret_conv = CResult_ReplyChannelRangeDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ReplyChannelRangeDecodeErrorZ* arg_conv = (LDKCResult_ReplyChannelRangeDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ReplyChannelRangeDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ReplyChannelRangeDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22352,7 +22352,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeD
        LDKCResult_ReplyChannelRangeDecodeErrorZ* orig_conv = (LDKCResult_ReplyChannelRangeDecodeErrorZ*)(orig & ~1);
        LDKCResult_ReplyChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyChannelRangeDecodeErrorZ), "LDKCResult_ReplyChannelRangeDecodeErrorZ");
        *ret_conv = CResult_ReplyChannelRangeDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFilterDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22363,7 +22363,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFil
        o_conv = GossipTimestampFilter_clone(&o_conv);
        LDKCResult_GossipTimestampFilterDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_GossipTimestampFilterDecodeErrorZ), "LDKCResult_GossipTimestampFilterDecodeErrorZ");
        *ret_conv = CResult_GossipTimestampFilterDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFilterDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -22374,7 +22374,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFil
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_GossipTimestampFilterDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_GossipTimestampFilterDecodeErrorZ), "LDKCResult_GossipTimestampFilterDecodeErrorZ");
        *ret_conv = CResult_GossipTimestampFilterDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFilterDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22395,11 +22395,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFilter
 static inline uintptr_t CResult_GossipTimestampFilterDecodeErrorZ_clone_ptr(LDKCResult_GossipTimestampFilterDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_GossipTimestampFilterDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_GossipTimestampFilterDecodeErrorZ), "LDKCResult_GossipTimestampFilterDecodeErrorZ");
        *ret_conv = CResult_GossipTimestampFilterDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFilterDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFilterDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_GossipTimestampFilterDecodeErrorZ* arg_conv = (LDKCResult_GossipTimestampFilterDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_GossipTimestampFilterDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_GossipTimestampFilterDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22407,7 +22407,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFil
        LDKCResult_GossipTimestampFilterDecodeErrorZ* orig_conv = (LDKCResult_GossipTimestampFilterDecodeErrorZ*)(orig & ~1);
        LDKCResult_GossipTimestampFilterDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_GossipTimestampFilterDecodeErrorZ), "LDKCResult_GossipTimestampFilterDecodeErrorZ");
        *ret_conv = CResult_GossipTimestampFilterDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1PhantomRouteHintsZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -22438,7 +22438,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreat
        o_conv = Invoice_clone(&o_conv);
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
        *ret_conv = CResult_InvoiceSignOrCreationErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreationErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -22448,7 +22448,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreat
        e_conv = SignOrCreationError_clone((LDKSignOrCreationError*)(((uintptr_t)e) & ~1));
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
        *ret_conv = CResult_InvoiceSignOrCreationErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreationErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22469,11 +22469,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreation
 static inline uintptr_t CResult_InvoiceSignOrCreationErrorZ_clone_ptr(LDKCResult_InvoiceSignOrCreationErrorZ *NONNULL_PTR arg) {
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
        *ret_conv = CResult_InvoiceSignOrCreationErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreationErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreationErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_InvoiceSignOrCreationErrorZ* arg_conv = (LDKCResult_InvoiceSignOrCreationErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_InvoiceSignOrCreationErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_InvoiceSignOrCreationErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22481,7 +22481,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreat
        LDKCResult_InvoiceSignOrCreationErrorZ* orig_conv = (LDKCResult_InvoiceSignOrCreationErrorZ*)(orig & ~1);
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
        *ret_conv = CResult_InvoiceSignOrCreationErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1FilterZ_1some(JNIEnv *env, jclass clz, int64_t o) {
@@ -22494,14 +22494,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1FilterZ_1some(JNIE
        }
        LDKCOption_FilterZ *ret_copy = MALLOC(sizeof(LDKCOption_FilterZ), "LDKCOption_FilterZ");
        *ret_copy = COption_FilterZ_some(o_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1FilterZ_1none(JNIEnv *env, jclass clz) {
        LDKCOption_FilterZ *ret_copy = MALLOC(sizeof(LDKCOption_FilterZ), "LDKCOption_FilterZ");
        *ret_copy = COption_FilterZ_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22522,13 +22522,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1LockedChannelMonit
        // WARNING: we need a move here but no clone is available for LDKLockedChannelMonitor
        LDKCResult_LockedChannelMonitorNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_LockedChannelMonitorNoneZ), "LDKCResult_LockedChannelMonitorNoneZ");
        *ret_conv = CResult_LockedChannelMonitorNoneZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1LockedChannelMonitorNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_LockedChannelMonitorNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_LockedChannelMonitorNoneZ), "LDKCResult_LockedChannelMonitorNoneZ");
        *ret_conv = CResult_LockedChannelMonitorNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1LockedChannelMonitorNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22578,12 +22578,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PaymentPurpose_1free(JNIEnv *e
 static inline uintptr_t PaymentPurpose_clone_ptr(LDKPaymentPurpose *NONNULL_PTR arg) {
        LDKPaymentPurpose *ret_copy = MALLOC(sizeof(LDKPaymentPurpose), "LDKPaymentPurpose");
        *ret_copy = PaymentPurpose_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_PaymentPurpose_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentPurpose_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPaymentPurpose* arg_conv = (LDKPaymentPurpose*)arg;
-       intptr_t ret_val = PaymentPurpose_clone_ptr(arg_conv);
+       int64_t ret_val = PaymentPurpose_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22591,7 +22591,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentPurpose_1clone(JNIEn
        LDKPaymentPurpose* orig_conv = (LDKPaymentPurpose*)orig;
        LDKPaymentPurpose *ret_copy = MALLOC(sizeof(LDKPaymentPurpose), "LDKPaymentPurpose");
        *ret_copy = PaymentPurpose_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22604,7 +22604,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentPurpose_1invoice_1pa
        (*env)->GetByteArrayRegion(env, payment_secret, 0, 32, payment_secret_ref.data);
        LDKPaymentPurpose *ret_copy = MALLOC(sizeof(LDKPaymentPurpose), "LDKPaymentPurpose");
        *ret_copy = PaymentPurpose_invoice_payment(payment_preimage_ref, payment_secret_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22614,7 +22614,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentPurpose_1spontaneous
        (*env)->GetByteArrayRegion(env, a, 0, 32, a_ref.data);
        LDKPaymentPurpose *ret_copy = MALLOC(sizeof(LDKPaymentPurpose), "LDKPaymentPurpose");
        *ret_copy = PaymentPurpose_spontaneous_payment(a_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22630,12 +22630,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ClosureReason_1free(JNIEnv *en
 static inline uintptr_t ClosureReason_clone_ptr(LDKClosureReason *NONNULL_PTR arg) {
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKClosureReason* arg_conv = (LDKClosureReason*)arg;
-       intptr_t ret_val = ClosureReason_clone_ptr(arg_conv);
+       int64_t ret_val = ClosureReason_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22643,7 +22643,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1clone(JNIEnv
        LDKClosureReason* orig_conv = (LDKClosureReason*)orig;
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22651,35 +22651,35 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1counterparty
        LDKStr peer_msg_conv = java_to_owned_str(env, peer_msg);
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_counterparty_force_closed(peer_msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1holder_1force_1closed(JNIEnv *env, jclass clz) {
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_holder_force_closed();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1cooperative_1closure(JNIEnv *env, jclass clz) {
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_cooperative_closure();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1commitment_1tx_1confirmed(JNIEnv *env, jclass clz) {
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_commitment_tx_confirmed();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1funding_1timed_1out(JNIEnv *env, jclass clz) {
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_funding_timed_out();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22687,21 +22687,21 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1processing_1
        LDKStr err_conv = java_to_owned_str(env, err);
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_processing_error(err_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1disconnected_1peer(JNIEnv *env, jclass clz) {
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_disconnected_peer();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1outdated_1channel_1manager(JNIEnv *env, jclass clz) {
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_outdated_channel_manager();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22721,7 +22721,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1read(JNIEnv
        LDKCResult_COption_ClosureReasonZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_ClosureReasonZDecodeErrorZ), "LDKCResult_COption_ClosureReasonZDecodeErrorZ");
        *ret_conv = ClosureReason_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Event_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -22736,12 +22736,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Event_1free(JNIEnv *env, jclas
 static inline uintptr_t Event_clone_ptr(LDKEvent *NONNULL_PTR arg) {
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Event_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKEvent* arg_conv = (LDKEvent*)arg;
-       intptr_t ret_val = Event_clone_ptr(arg_conv);
+       int64_t ret_val = Event_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22749,7 +22749,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1clone(JNIEnv *env, j
        LDKEvent* orig_conv = (LDKEvent*)orig;
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22763,7 +22763,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1funding_1generation_
        (*env)->GetByteArrayRegion(env, output_script, 0, output_script_ref.datalen, output_script_ref.data);
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_funding_generation_ready(temporary_channel_id_ref, channel_value_satoshis, output_script_ref, user_channel_id);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22777,7 +22777,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1received(JN
        purpose_conv = PaymentPurpose_clone((LDKPaymentPurpose*)(((uintptr_t)purpose) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_received(payment_hash_ref, amt, purpose_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22797,7 +22797,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1sent(JNIEnv
        fee_paid_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uintptr_t)fee_paid_msat) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_sent(payment_id_ref, payment_preimage_ref, payment_hash_ref, fee_paid_msat_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22840,7 +22840,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1path_1faile
        retry_conv = RouteParameters_clone(&retry_conv);
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_path_failed(payment_id_ref, payment_hash_ref, rejected_by_dest, network_update_conv, all_paths_failed, path_constr, short_channel_id_conv, retry_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22853,14 +22853,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1failed(JNIE
        (*env)->GetByteArrayRegion(env, payment_hash, 0, 32, payment_hash_ref.data);
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_failed(payment_id_ref, payment_hash_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1pending_1htlcs_1forwardable(JNIEnv *env, jclass clz, int64_t time_forwardable) {
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_pending_htlcs_forwardable(time_forwardable);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22883,7 +22883,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1spendable_1outputs(J
        (*env)->ReleaseLongArrayElements(env, outputs, outputs_vals, 0);
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_spendable_outputs(outputs_constr);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22894,7 +22894,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1forwarded(J
        fee_earned_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uintptr_t)fee_earned_msat) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_forwarded(fee_earned_msat_conv, claim_from_onchain_tx);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22908,7 +22908,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1channel_1closed(JNIE
        reason_conv = ClosureReason_clone((LDKClosureReason*)(((uintptr_t)reason) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_channel_closed(channel_id_ref, user_channel_id, reason_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22923,7 +22923,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1discard_1funding(JNI
        transaction_ref.data_is_owned = true;
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_discard_funding(channel_id_ref, transaction_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22953,7 +22953,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1path_1succe
        (*env)->ReleaseLongArrayElements(env, path, path_vals, 0);
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_path_successful(payment_id_ref, payment_hash_ref, path_constr);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22966,7 +22966,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1open_1channel_1reque
        (*env)->GetByteArrayRegion(env, counterparty_node_id, 0, 33, counterparty_node_id_ref.compressed_form);
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_open_channel_request(temporary_channel_id_ref, counterparty_node_id_ref, funding_satoshis, push_msat);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22986,7 +22986,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1read(JNIEnv *env, jc
        LDKCResult_COption_EventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_EventZDecodeErrorZ), "LDKCResult_COption_EventZDecodeErrorZ");
        *ret_conv = Event_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -23001,12 +23001,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1free(JNIEnv
 static inline uintptr_t MessageSendEvent_clone_ptr(LDKMessageSendEvent *NONNULL_PTR arg) {
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKMessageSendEvent* arg_conv = (LDKMessageSendEvent*)arg;
-       intptr_t ret_val = MessageSendEvent_clone_ptr(arg_conv);
+       int64_t ret_val = MessageSendEvent_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -23014,7 +23014,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1clone(JNI
        LDKMessageSendEvent* orig_conv = (LDKMessageSendEvent*)orig;
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23029,7 +23029,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1acc
        msg_conv = AcceptChannel_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_accept_channel(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23044,7 +23044,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1ope
        msg_conv = OpenChannel_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_open_channel(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23059,7 +23059,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1fun
        msg_conv = FundingCreated_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_funding_created(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23074,7 +23074,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1fun
        msg_conv = FundingSigned_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_funding_signed(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23089,7 +23089,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1fun
        msg_conv = FundingLocked_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_funding_locked(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23104,7 +23104,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1ann
        msg_conv = AnnouncementSignatures_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_announcement_signatures(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23119,7 +23119,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1update_1h
        updates_conv = CommitmentUpdate_clone(&updates_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_update_htlcs(node_id_ref, updates_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23134,7 +23134,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1rev
        msg_conv = RevokeAndACK_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_revoke_and_ack(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23149,7 +23149,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1clo
        msg_conv = ClosingSigned_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_closing_signed(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23164,7 +23164,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1shu
        msg_conv = Shutdown_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_shutdown(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23179,7 +23179,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1cha
        msg_conv = ChannelReestablish_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_channel_reestablish(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23196,7 +23196,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1broadcast
        update_msg_conv = ChannelUpdate_clone(&update_msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_broadcast_channel_announcement(msg_conv, update_msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23208,7 +23208,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1broadcast
        msg_conv = NodeAnnouncement_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_broadcast_node_announcement(msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23220,7 +23220,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1broadcast
        msg_conv = ChannelUpdate_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_broadcast_channel_update(msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23235,7 +23235,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1cha
        msg_conv = ChannelUpdate_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_channel_update(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23249,7 +23249,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1handle_1e
        action_conv = ErrorAction_clone((LDKErrorAction*)(((uintptr_t)action) & ~1));
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_handle_error(node_id_ref, action_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23264,7 +23264,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1cha
        msg_conv = QueryChannelRange_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_channel_range_query(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23279,7 +23279,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1sho
        msg_conv = QueryShortChannelIds_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_short_ids_query(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23294,7 +23294,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1rep
        msg_conv = ReplyChannelRange_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_reply_channel_range(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23337,12 +23337,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_APIError_1free(JNIEnv *env, jc
 static inline uintptr_t APIError_clone_ptr(LDKAPIError *NONNULL_PTR arg) {
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = APIError_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_APIError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKAPIError* arg_conv = (LDKAPIError*)arg;
-       intptr_t ret_val = APIError_clone_ptr(arg_conv);
+       int64_t ret_val = APIError_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -23350,7 +23350,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1clone(JNIEnv *env
        LDKAPIError* orig_conv = (LDKAPIError*)orig;
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = APIError_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23358,7 +23358,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1apimisuse_1error(
        LDKStr err_conv = java_to_owned_str(env, err);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = APIError_apimisuse_error(err_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23366,7 +23366,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1fee_1rate_1too_1h
        LDKStr err_conv = java_to_owned_str(env, err);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = APIError_fee_rate_too_high(err_conv, feerate);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23374,7 +23374,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1route_1error(JNIE
        LDKStr err_conv = java_to_owned_str(env, err);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = APIError_route_error(err_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23382,14 +23382,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1channel_1unavaila
        LDKStr err_conv = java_to_owned_str(env, err);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = APIError_channel_unavailable(err_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1monitor_1update_1failed(JNIEnv *env, jclass clz) {
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = APIError_monitor_update_failed();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23401,7 +23401,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1incompatible_1shu
        script_conv = ShutdownScript_clone(&script_conv);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = APIError_incompatible_shutdown_script(script_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23416,7 +23416,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_sign(JNIEnv *env, jclass cl
        LDKCResult_StringErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_StringErrorZ), "LDKCResult_StringErrorZ");
        *ret_conv = sign(msg_ref, sk_ref);
        (*env)->ReleaseByteArrayElements(env, msg, (int8_t*)msg_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_recover_1pk(JNIEnv *env, jclass clz, int8_tArray msg, jstring sig) {
@@ -23427,7 +23427,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_recover_1pk(JNIEnv *env, jc
        LDKCResult_PublicKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PublicKeyErrorZ), "LDKCResult_PublicKeyErrorZ");
        *ret_conv = recover_pk(msg_ref, sig_conv);
        (*env)->ReleaseByteArrayElements(env, msg, (int8_t*)msg_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_verify(JNIEnv *env, jclass clz, int8_tArray msg, jstring sig, int8_tArray pk) {
@@ -23627,7 +23627,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Record_1set_1line(JNIEnv *env,
 
 static inline uintptr_t Record_clone_ptr(LDKRecord *NONNULL_PTR arg) {
        LDKRecord ret_var = Record_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -23637,12 +23637,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Record_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Record_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRecord arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = Record_clone_ptr(&arg_conv);
+       int64_t ret_val = Record_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -23652,7 +23652,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Record_1clone(JNIEnv *env,
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRecord ret_var = Record_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -23733,7 +23733,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeConfig_1set_1o
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeConfig_1new(JNIEnv *env, jclass clz, int32_t minimum_depth_arg, int16_t our_to_self_delay_arg, int64_t our_htlc_minimum_msat_arg) {
        LDKChannelHandshakeConfig ret_var = ChannelHandshakeConfig_new(minimum_depth_arg, our_to_self_delay_arg, our_htlc_minimum_msat_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -23746,7 +23746,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeConfig_1new
 
 static inline uintptr_t ChannelHandshakeConfig_clone_ptr(LDKChannelHandshakeConfig *NONNULL_PTR arg) {
        LDKChannelHandshakeConfig ret_var = ChannelHandshakeConfig_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -23756,12 +23756,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeConfig_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeConfig_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelHandshakeConfig arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelHandshakeConfig_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelHandshakeConfig_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -23771,7 +23771,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeConfig_1clo
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelHandshakeConfig ret_var = ChannelHandshakeConfig_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -23784,7 +23784,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeConfig_1clo
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeConfig_1default(JNIEnv *env, jclass clz) {
        LDKChannelHandshakeConfig ret_var = ChannelHandshakeConfig_default();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -23941,7 +23941,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeLimits_1set_1t
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeLimits_1new(JNIEnv *env, jclass clz, int64_t min_funding_satoshis_arg, int64_t max_htlc_minimum_msat_arg, int64_t min_max_htlc_value_in_flight_msat_arg, int64_t max_channel_reserve_satoshis_arg, int16_t min_max_accepted_htlcs_arg, int32_t max_minimum_depth_arg, jboolean force_announced_channel_preference_arg, int16_t their_to_self_delay_arg) {
        LDKChannelHandshakeLimits ret_var = ChannelHandshakeLimits_new(min_funding_satoshis_arg, max_htlc_minimum_msat_arg, min_max_htlc_value_in_flight_msat_arg, max_channel_reserve_satoshis_arg, min_max_accepted_htlcs_arg, max_minimum_depth_arg, force_announced_channel_preference_arg, their_to_self_delay_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -23954,7 +23954,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeLimits_1new
 
 static inline uintptr_t ChannelHandshakeLimits_clone_ptr(LDKChannelHandshakeLimits *NONNULL_PTR arg) {
        LDKChannelHandshakeLimits ret_var = ChannelHandshakeLimits_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -23964,12 +23964,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeLimits_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeLimits_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelHandshakeLimits arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelHandshakeLimits_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelHandshakeLimits_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -23979,7 +23979,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeLimits_1clo
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelHandshakeLimits ret_var = ChannelHandshakeLimits_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -23992,7 +23992,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeLimits_1clo
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeLimits_1default(JNIEnv *env, jclass clz) {
        LDKChannelHandshakeLimits ret_var = ChannelHandshakeLimits_default();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24132,7 +24132,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelConfig_1set_1force_1clo
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelConfig_1new(JNIEnv *env, jclass clz, int32_t forwarding_fee_proportional_millionths_arg, int32_t forwarding_fee_base_msat_arg, int16_t cltv_expiry_delta_arg, jboolean announced_channel_arg, jboolean commit_upfront_shutdown_pubkey_arg, int64_t max_dust_htlc_exposure_msat_arg, int64_t force_close_avoidance_max_fee_satoshis_arg) {
        LDKChannelConfig ret_var = ChannelConfig_new(forwarding_fee_proportional_millionths_arg, forwarding_fee_base_msat_arg, cltv_expiry_delta_arg, announced_channel_arg, commit_upfront_shutdown_pubkey_arg, max_dust_htlc_exposure_msat_arg, force_close_avoidance_max_fee_satoshis_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24145,7 +24145,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelConfig_1new(JNIEnv *
 
 static inline uintptr_t ChannelConfig_clone_ptr(LDKChannelConfig *NONNULL_PTR arg) {
        LDKChannelConfig ret_var = ChannelConfig_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24155,12 +24155,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelConfig_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelConfig_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelConfig arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelConfig_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelConfig_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -24170,7 +24170,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelConfig_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelConfig ret_var = ChannelConfig_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24183,7 +24183,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelConfig_1clone(JNIEnv
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelConfig_1default(JNIEnv *env, jclass clz) {
        LDKChannelConfig ret_var = ChannelConfig_default();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24213,7 +24213,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelConfig_1read(JNIEnv
        LDKCResult_ChannelConfigDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelConfigDecodeErrorZ), "LDKCResult_ChannelConfigDecodeErrorZ");
        *ret_conv = ChannelConfig_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_UserConfig_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -24230,7 +24230,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1get_1own_1chann
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelHandshakeConfig ret_var = UserConfig_get_own_channel_config(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24260,7 +24260,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1get_1peer_1chan
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelHandshakeLimits ret_var = UserConfig_get_peer_channel_config_limits(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24290,7 +24290,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1get_1channel_1o
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelConfig ret_var = UserConfig_get_channel_options(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24382,7 +24382,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1new(JNIEnv *env
        CHECK_INNER_FIELD_ACCESS_OR_NULL(channel_options_arg_conv);
        channel_options_arg_conv = ChannelConfig_clone(&channel_options_arg_conv);
        LDKUserConfig ret_var = UserConfig_new(own_channel_config_arg_conv, peer_channel_config_limits_arg_conv, channel_options_arg_conv, accept_forwards_to_priv_channels_arg, accept_inbound_channels_arg, manually_accept_inbound_channels_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24395,7 +24395,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1new(JNIEnv *env
 
 static inline uintptr_t UserConfig_clone_ptr(LDKUserConfig *NONNULL_PTR arg) {
        LDKUserConfig ret_var = UserConfig_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24405,12 +24405,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKUserConfig arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = UserConfig_clone_ptr(&arg_conv);
+       int64_t ret_val = UserConfig_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -24420,7 +24420,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1clone(JNIEnv *e
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKUserConfig ret_var = UserConfig_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24433,7 +24433,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1clone(JNIEnv *e
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1default(JNIEnv *env, jclass clz) {
        LDKUserConfig ret_var = UserConfig_default();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24454,7 +24454,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BestBlock_1free(JNIEnv *env, j
 
 static inline uintptr_t BestBlock_clone_ptr(LDKBestBlock *NONNULL_PTR arg) {
        LDKBestBlock ret_var = BestBlock_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24464,12 +24464,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_BestBlock_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BestBlock_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKBestBlock arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = BestBlock_clone_ptr(&arg_conv);
+       int64_t ret_val = BestBlock_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -24479,7 +24479,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BestBlock_1clone(JNIEnv *en
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKBestBlock ret_var = BestBlock_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24493,7 +24493,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BestBlock_1clone(JNIEnv *en
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BestBlock_1from_1genesis(JNIEnv *env, jclass clz, jclass network) {
        LDKNetwork network_conv = LDKNetwork_from_java(env, network);
        LDKBestBlock ret_var = BestBlock_from_genesis(network_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24509,7 +24509,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BestBlock_1new(JNIEnv *env,
        CHECK((*env)->GetArrayLength(env, block_hash) == 32);
        (*env)->GetByteArrayRegion(env, block_hash, 0, 32, block_hash_ref.data);
        LDKBestBlock ret_var = BestBlock_new(block_hash_ref, height);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24651,7 +24651,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WatchedOutput_1get_1outpoin
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKOutPoint ret_var = WatchedOutput_get_outpoint(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24712,7 +24712,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WatchedOutput_1new(JNIEnv *
        script_pubkey_arg_ref.data = MALLOC(script_pubkey_arg_ref.datalen, "LDKCVec_u8Z Bytes");
        (*env)->GetByteArrayRegion(env, script_pubkey_arg, 0, script_pubkey_arg_ref.datalen, script_pubkey_arg_ref.data);
        LDKWatchedOutput ret_var = WatchedOutput_new(block_hash_arg_ref, outpoint_arg_conv, script_pubkey_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24725,7 +24725,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WatchedOutput_1new(JNIEnv *
 
 static inline uintptr_t WatchedOutput_clone_ptr(LDKWatchedOutput *NONNULL_PTR arg) {
        LDKWatchedOutput ret_var = WatchedOutput_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24735,12 +24735,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_WatchedOutput_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WatchedOutput_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKWatchedOutput arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = WatchedOutput_clone_ptr(&arg_conv);
+       int64_t ret_val = WatchedOutput_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -24750,7 +24750,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WatchedOutput_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKWatchedOutput ret_var = WatchedOutput_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24826,7 +24826,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MonitorUpdateId_1free(JNIEnv *
 
 static inline uintptr_t MonitorUpdateId_clone_ptr(LDKMonitorUpdateId *NONNULL_PTR arg) {
        LDKMonitorUpdateId ret_var = MonitorUpdateId_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24836,12 +24836,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_MonitorUpdateId_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorUpdateId_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKMonitorUpdateId arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = MonitorUpdateId_clone_ptr(&arg_conv);
+       int64_t ret_val = MonitorUpdateId_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -24851,7 +24851,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorUpdateId_1clone(JNIE
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKMonitorUpdateId ret_var = MonitorUpdateId_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24950,7 +24950,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1new(JNIEnv *e
                LDKPersist_JCalls_cloned(&persister_conv);
        }
        LDKChainMonitor ret_var = ChainMonitor_new(chain_source_conv, broadcaster_conv, logger_conv, feeest_conv, persister_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24990,7 +24990,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1get_1cla
        for (size_t j = 0; j < ret_var.datalen; j++) {
                LDKBalance *ret_conv_9_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
                *ret_conv_9_copy = ret_var.data[j];
-               uintptr_t ret_conv_9_ref = (uintptr_t)ret_conv_9_copy;
+               int64_t ret_conv_9_ref = (uintptr_t)ret_conv_9_copy;
                ret_arr_ptr[j] = ret_conv_9_ref;
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
@@ -25010,7 +25010,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1get_1monitor(
        funding_txo_conv = OutPoint_clone(&funding_txo_conv);
        LDKCResult_LockedChannelMonitorNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_LockedChannelMonitorNoneZ), "LDKCResult_LockedChannelMonitorNoneZ");
        *ret_conv = ChainMonitor_get_monitor(&this_arg_conv, funding_txo_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1list_1monitors(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -25024,7 +25024,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1list_1mo
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t k = 0; k < ret_var.datalen; k++) {
                LDKOutPoint ret_conv_10_var = ret_var.data[k];
-               uintptr_t ret_conv_10_ref = 0;
+               int64_t ret_conv_10_ref = 0;
                CHECK((((uintptr_t)ret_conv_10_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_10_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_10_var);
@@ -25056,7 +25056,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1channel_1moni
        completed_update_id_conv = MonitorUpdateId_clone(&completed_update_id_conv);
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = ChainMonitor_channel_monitor_updated(&this_arg_conv, funding_txo_conv, completed_update_id_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1as_1Listen(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -25066,7 +25066,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1as_1Listen(JN
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKListen* ret_ret = MALLOC(sizeof(LDKListen), "LDKListen");
        *ret_ret = ChainMonitor_as_Listen(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1as_1Confirm(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -25076,7 +25076,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1as_1Confirm(J
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKConfirm* ret_ret = MALLOC(sizeof(LDKConfirm), "LDKConfirm");
        *ret_ret = ChainMonitor_as_Confirm(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1as_1Watch(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -25086,7 +25086,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1as_1Watch(JNI
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKWatch* ret_ret = MALLOC(sizeof(LDKWatch), "LDKWatch");
        *ret_ret = ChainMonitor_as_Watch(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1as_1EventsProvider(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -25096,7 +25096,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1as_1EventsPro
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKEventsProvider* ret_ret = MALLOC(sizeof(LDKEventsProvider), "LDKEventsProvider");
        *ret_ret = ChainMonitor_as_EventsProvider(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdate_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -25126,7 +25126,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdate_1set_1upd
 
 static inline uintptr_t ChannelMonitorUpdate_clone_ptr(LDKChannelMonitorUpdate *NONNULL_PTR arg) {
        LDKChannelMonitorUpdate ret_var = ChannelMonitorUpdate_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -25136,12 +25136,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelMonitorUpdate arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelMonitorUpdate_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelMonitorUpdate_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -25151,7 +25151,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdate_1clone
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelMonitorUpdate ret_var = ChannelMonitorUpdate_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -25181,7 +25181,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdate_1read(
        LDKCResult_ChannelMonitorUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelMonitorUpdateDecodeErrorZ), "LDKCResult_ChannelMonitorUpdateDecodeErrorZ");
        *ret_conv = ChannelMonitorUpdate_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -25196,12 +25196,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1free(JNIEnv *env
 static inline uintptr_t MonitorEvent_clone_ptr(LDKMonitorEvent *NONNULL_PTR arg) {
        LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
        *ret_copy = MonitorEvent_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKMonitorEvent* arg_conv = (LDKMonitorEvent*)arg;
-       intptr_t ret_val = MonitorEvent_clone_ptr(arg_conv);
+       int64_t ret_val = MonitorEvent_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -25209,7 +25209,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1clone(JNIEnv
        LDKMonitorEvent* orig_conv = (LDKMonitorEvent*)orig;
        LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
        *ret_copy = MonitorEvent_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -25221,7 +25221,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1htlcevent(JNI
        a_conv = HTLCUpdate_clone(&a_conv);
        LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
        *ret_copy = MonitorEvent_htlcevent(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -25233,7 +25233,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1commitment_1t
        a_conv = OutPoint_clone(&a_conv);
        LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
        *ret_copy = MonitorEvent_commitment_tx_confirmed(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -25245,7 +25245,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1update_1compl
        funding_txo_conv = OutPoint_clone(&funding_txo_conv);
        LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
        *ret_copy = MonitorEvent_update_completed(funding_txo_conv, monitor_update_id);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -25257,7 +25257,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1update_1faile
        a_conv = OutPoint_clone(&a_conv);
        LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
        *ret_copy = MonitorEvent_update_failed(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -25277,7 +25277,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1read(JNIEnv *
        LDKCResult_COption_MonitorEventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_MonitorEventZDecodeErrorZ), "LDKCResult_COption_MonitorEventZDecodeErrorZ");
        *ret_conv = MonitorEvent_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_HTLCUpdate_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -25290,7 +25290,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_HTLCUpdate_1free(JNIEnv *env,
 
 static inline uintptr_t HTLCUpdate_clone_ptr(LDKHTLCUpdate *NONNULL_PTR arg) {
        LDKHTLCUpdate ret_var = HTLCUpdate_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -25300,12 +25300,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_HTLCUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKHTLCUpdate arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = HTLCUpdate_clone_ptr(&arg_conv);
+       int64_t ret_val = HTLCUpdate_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -25315,7 +25315,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCUpdate_1clone(JNIEnv *e
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKHTLCUpdate ret_var = HTLCUpdate_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -25345,7 +25345,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCUpdate_1read(JNIEnv *en
        LDKCResult_HTLCUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCUpdateDecodeErrorZ), "LDKCResult_HTLCUpdateDecodeErrorZ");
        *ret_conv = HTLCUpdate_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Balance_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -25360,12 +25360,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Balance_1free(JNIEnv *env, jcl
 static inline uintptr_t Balance_clone_ptr(LDKBalance *NONNULL_PTR arg) {
        LDKBalance *ret_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
        *ret_copy = Balance_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Balance_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Balance_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKBalance* arg_conv = (LDKBalance*)arg;
-       intptr_t ret_val = Balance_clone_ptr(arg_conv);
+       int64_t ret_val = Balance_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -25373,35 +25373,35 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Balance_1clone(JNIEnv *env,
        LDKBalance* orig_conv = (LDKBalance*)orig;
        LDKBalance *ret_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
        *ret_copy = Balance_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Balance_1claimable_1on_1channel_1close(JNIEnv *env, jclass clz, int64_t claimable_amount_satoshis) {
        LDKBalance *ret_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
        *ret_copy = Balance_claimable_on_channel_close(claimable_amount_satoshis);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Balance_1claimable_1awaiting_1confirmations(JNIEnv *env, jclass clz, int64_t claimable_amount_satoshis, int32_t confirmation_height) {
        LDKBalance *ret_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
        *ret_copy = Balance_claimable_awaiting_confirmations(claimable_amount_satoshis, confirmation_height);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Balance_1contentious_1claimable(JNIEnv *env, jclass clz, int64_t claimable_amount_satoshis, int32_t timeout_height) {
        LDKBalance *ret_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
        *ret_copy = Balance_contentious_claimable(claimable_amount_satoshis, timeout_height);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Balance_1maybe_1claimable_1htlcawaiting_1timeout(JNIEnv *env, jclass clz, int64_t claimable_amount_satoshis, int32_t claimable_height) {
        LDKBalance *ret_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
        *ret_copy = Balance_maybe_claimable_htlcawaiting_timeout(claimable_amount_satoshis, claimable_height);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -25422,7 +25422,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1free(JNIEnv *e
 
 static inline uintptr_t ChannelMonitor_clone_ptr(LDKChannelMonitor *NONNULL_PTR arg) {
        LDKChannelMonitor ret_var = ChannelMonitor_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -25432,12 +25432,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelMonitor arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelMonitor_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelMonitor_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -25447,7 +25447,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1clone(JNIEn
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelMonitor ret_var = ChannelMonitor_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -25490,7 +25490,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1update_1mon
        LDKLogger* logger_conv = (LDKLogger*)logger_ptr;
        LDKCResult_NoneNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneNoneZ), "LDKCResult_NoneNoneZ");
        *ret_conv = ChannelMonitor_update_monitor(&this_arg_conv, &updates_conv, broadcaster_conv, fee_estimator_conv, logger_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1latest_1update_1id(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -25509,7 +25509,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1fundin
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKC2Tuple_OutPointScriptZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_OutPointScriptZ), "LDKC2Tuple_OutPointScriptZ");
        *ret_conv = ChannelMonitor_get_funding_txo(&this_arg_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1outputs_1to_1watch(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -25524,7 +25524,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1o
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ* ret_conv_40_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ");
                *ret_conv_40_conv = ret_var.data[o];
-               ret_arr_ptr[o] = ((uintptr_t)ret_conv_40_conv);
+               ret_arr_ptr[o] = ((int64_t)ret_conv_40_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
        FREE(ret_var.data);
@@ -25554,7 +25554,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1a
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKMonitorEvent *ret_conv_14_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
                *ret_conv_14_copy = ret_var.data[o];
-               uintptr_t ret_conv_14_ref = (uintptr_t)ret_conv_14_copy;
+               int64_t ret_conv_14_ref = (uintptr_t)ret_conv_14_copy;
                ret_arr_ptr[o] = ret_conv_14_ref;
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
@@ -25574,7 +25574,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1a
        for (size_t h = 0; h < ret_var.datalen; h++) {
                LDKEvent *ret_conv_7_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
                *ret_conv_7_copy = ret_var.data[h];
-               uintptr_t ret_conv_7_ref = (uintptr_t)ret_conv_7_copy;
+               int64_t ret_conv_7_ref = (uintptr_t)ret_conv_7_copy;
                ret_arr_ptr[h] = ret_conv_7_ref;
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
@@ -25659,7 +25659,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1block_
        for (size_t n = 0; n < ret_var.datalen; n++) {
                LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* ret_conv_39_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ");
                *ret_conv_39_conv = ret_var.data[n];
-               ret_arr_ptr[n] = ((uintptr_t)ret_conv_39_conv);
+               ret_arr_ptr[n] = ((int64_t)ret_conv_39_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
        FREE(ret_var.data);
@@ -25752,7 +25752,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1transa
        for (size_t n = 0; n < ret_var.datalen; n++) {
                LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* ret_conv_39_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ");
                *ret_conv_39_conv = ret_var.data[n];
-               ret_arr_ptr[n] = ((uintptr_t)ret_conv_39_conv);
+               ret_arr_ptr[n] = ((int64_t)ret_conv_39_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
        FREE(ret_var.data);
@@ -25829,7 +25829,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1best_1
        for (size_t n = 0; n < ret_var.datalen; n++) {
                LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* ret_conv_39_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ");
                *ret_conv_39_conv = ret_var.data[n];
-               ret_arr_ptr[n] = ((uintptr_t)ret_conv_39_conv);
+               ret_arr_ptr[n] = ((int64_t)ret_conv_39_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
        FREE(ret_var.data);
@@ -25861,7 +25861,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1current_1be
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKBestBlock ret_var = ChannelMonitor_current_best_block(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -25884,7 +25884,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1c
        for (size_t j = 0; j < ret_var.datalen; j++) {
                LDKBalance *ret_conv_9_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
                *ret_conv_9_copy = ret_var.data[j];
-               uintptr_t ret_conv_9_ref = (uintptr_t)ret_conv_9_copy;
+               int64_t ret_conv_9_ref = (uintptr_t)ret_conv_9_copy;
                ret_arr_ptr[j] = ret_conv_9_ref;
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
@@ -25902,7 +25902,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMo
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ");
        *ret_conv = C2Tuple_BlockHashChannelMonitorZ_read(ser_ref, arg_conv);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_OutPoint_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -25956,7 +25956,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_OutPoint_1new(JNIEnv *env,
        CHECK((*env)->GetArrayLength(env, txid_arg) == 32);
        (*env)->GetByteArrayRegion(env, txid_arg, 0, 32, txid_arg_ref.data);
        LDKOutPoint ret_var = OutPoint_new(txid_arg_ref, index_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -25969,7 +25969,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_OutPoint_1new(JNIEnv *env,
 
 static inline uintptr_t OutPoint_clone_ptr(LDKOutPoint *NONNULL_PTR arg) {
        LDKOutPoint ret_var = OutPoint_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -25979,12 +25979,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_OutPoint_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_OutPoint_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKOutPoint arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = OutPoint_clone_ptr(&arg_conv);
+       int64_t ret_val = OutPoint_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -25994,7 +25994,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_OutPoint_1clone(JNIEnv *env
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKOutPoint ret_var = OutPoint_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26056,7 +26056,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_OutPoint_1read(JNIEnv *env,
        LDKCResult_OutPointDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OutPointDecodeErrorZ), "LDKCResult_OutPointDecodeErrorZ");
        *ret_conv = OutPoint_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescriptor_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -26073,7 +26073,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescrip
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKOutPoint ret_var = DelayedPaymentOutputDescriptor_get_outpoint(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26226,7 +26226,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescrip
        CHECK((*env)->GetArrayLength(env, channel_keys_id_arg) == 32);
        (*env)->GetByteArrayRegion(env, channel_keys_id_arg, 0, 32, channel_keys_id_arg_ref.data);
        LDKDelayedPaymentOutputDescriptor ret_var = DelayedPaymentOutputDescriptor_new(outpoint_arg_conv, per_commitment_point_arg_ref, to_self_delay_arg, output_arg_conv, revocation_pubkey_arg_ref, channel_keys_id_arg_ref, channel_value_satoshis_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26239,7 +26239,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescrip
 
 static inline uintptr_t DelayedPaymentOutputDescriptor_clone_ptr(LDKDelayedPaymentOutputDescriptor *NONNULL_PTR arg) {
        LDKDelayedPaymentOutputDescriptor ret_var = DelayedPaymentOutputDescriptor_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26249,12 +26249,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescriptor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescriptor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKDelayedPaymentOutputDescriptor arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = DelayedPaymentOutputDescriptor_clone_ptr(&arg_conv);
+       int64_t ret_val = DelayedPaymentOutputDescriptor_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -26264,7 +26264,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescrip
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKDelayedPaymentOutputDescriptor ret_var = DelayedPaymentOutputDescriptor_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26294,7 +26294,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescrip
        LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = DelayedPaymentOutputDescriptor_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescriptor_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -26311,7 +26311,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescript
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKOutPoint ret_var = StaticPaymentOutputDescriptor_get_outpoint(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26399,7 +26399,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescript
        CHECK((*env)->GetArrayLength(env, channel_keys_id_arg) == 32);
        (*env)->GetByteArrayRegion(env, channel_keys_id_arg, 0, 32, channel_keys_id_arg_ref.data);
        LDKStaticPaymentOutputDescriptor ret_var = StaticPaymentOutputDescriptor_new(outpoint_arg_conv, output_arg_conv, channel_keys_id_arg_ref, channel_value_satoshis_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26412,7 +26412,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescript
 
 static inline uintptr_t StaticPaymentOutputDescriptor_clone_ptr(LDKStaticPaymentOutputDescriptor *NONNULL_PTR arg) {
        LDKStaticPaymentOutputDescriptor ret_var = StaticPaymentOutputDescriptor_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26422,12 +26422,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescriptor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescriptor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKStaticPaymentOutputDescriptor arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = StaticPaymentOutputDescriptor_clone_ptr(&arg_conv);
+       int64_t ret_val = StaticPaymentOutputDescriptor_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -26437,7 +26437,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescript
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKStaticPaymentOutputDescriptor ret_var = StaticPaymentOutputDescriptor_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26467,7 +26467,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescript
        LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = StaticPaymentOutputDescriptor_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -26482,12 +26482,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1fre
 static inline uintptr_t SpendableOutputDescriptor_clone_ptr(LDKSpendableOutputDescriptor *NONNULL_PTR arg) {
        LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
        *ret_copy = SpendableOutputDescriptor_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKSpendableOutputDescriptor* arg_conv = (LDKSpendableOutputDescriptor*)arg;
-       intptr_t ret_val = SpendableOutputDescriptor_clone_ptr(arg_conv);
+       int64_t ret_val = SpendableOutputDescriptor_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -26495,7 +26495,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1
        LDKSpendableOutputDescriptor* orig_conv = (LDKSpendableOutputDescriptor*)orig;
        LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
        *ret_copy = SpendableOutputDescriptor_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -26511,7 +26511,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1
        output_conv = TxOut_clone((LDKTxOut*)(((uintptr_t)output) & ~1));
        LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
        *ret_copy = SpendableOutputDescriptor_static_output(outpoint_conv, output_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -26523,7 +26523,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1
        a_conv = DelayedPaymentOutputDescriptor_clone(&a_conv);
        LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
        *ret_copy = SpendableOutputDescriptor_delayed_payment_output(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -26535,7 +26535,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1
        a_conv = StaticPaymentOutputDescriptor_clone(&a_conv);
        LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
        *ret_copy = SpendableOutputDescriptor_static_payment_output(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -26555,7 +26555,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SpendableOutputDescriptorDecodeErrorZ), "LDKCResult_SpendableOutputDescriptorDecodeErrorZ");
        *ret_conv = SpendableOutputDescriptor_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BaseSign_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -26570,13 +26570,13 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BaseSign_1free(JNIEnv *env, jc
 static inline uintptr_t Sign_clone_ptr(LDKSign *NONNULL_PTR arg) {
        LDKSign* ret_ret = MALLOC(sizeof(LDKSign), "LDKSign");
        *ret_ret = Sign_clone(arg);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Sign_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Sign_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        void* arg_ptr = (void*)(((uintptr_t)arg) & ~1);
        if (!(arg & 1)) { CHECK_ACCESS(arg_ptr); }
        LDKSign* arg_conv = (LDKSign*)arg_ptr;
-       intptr_t ret_val = Sign_clone_ptr(arg_conv);
+       int64_t ret_val = Sign_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -26586,7 +26586,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Sign_1clone(JNIEnv *env, jc
        LDKSign* orig_conv = (LDKSign*)orig_ptr;
        LDKSign* ret_ret = MALLOC(sizeof(LDKSign), "LDKSign");
        *ret_ret = Sign_clone(orig_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Sign_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -26759,7 +26759,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1set_1commitmen
 
 static inline uintptr_t InMemorySigner_clone_ptr(LDKInMemorySigner *NONNULL_PTR arg) {
        LDKInMemorySigner ret_var = InMemorySigner_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26769,12 +26769,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKInMemorySigner arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = InMemorySigner_clone_ptr(&arg_conv);
+       int64_t ret_val = InMemorySigner_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -26784,7 +26784,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1clone(JNIEn
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKInMemorySigner ret_var = InMemorySigner_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26821,7 +26821,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1new(JNIEnv
        CHECK((*env)->GetArrayLength(env, channel_keys_id) == 32);
        (*env)->GetByteArrayRegion(env, channel_keys_id, 0, 32, channel_keys_id_ref.data);
        LDKInMemorySigner ret_var = InMemorySigner_new(node_secret_ref, funding_key_ref, revocation_base_key_ref, payment_key_ref, delayed_payment_base_key_ref, htlc_base_key_ref, commitment_seed_ref, channel_value_satoshis, channel_keys_id_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26838,7 +26838,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1counterpart
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKChannelPublicKeys ret_var = InMemorySigner_counterparty_pubkeys(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26882,7 +26882,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1funding_1ou
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKOutPoint ret_var = InMemorySigner_funding_outpoint(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26899,7 +26899,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1get_1channe
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKChannelTransactionParameters ret_var = InMemorySigner_get_channel_parameters(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26919,7 +26919,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1opt_1ancho
        return ret_val;
 }
 
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1sign_1counterparty_1payment_1input(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray spend_tx, intptr_t input_idx, int64_t descriptor) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1sign_1counterparty_1payment_1input(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray spend_tx, int64_t input_idx, int64_t descriptor) {
        LDKInMemorySigner this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
@@ -26935,10 +26935,10 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1sign_1count
        CHECK_INNER_FIELD_ACCESS_OR_NULL(descriptor_conv);
        LDKCResult_CVec_CVec_u8ZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_CVec_u8ZZNoneZ), "LDKCResult_CVec_CVec_u8ZZNoneZ");
        *ret_conv = InMemorySigner_sign_counterparty_payment_input(&this_arg_conv, spend_tx_ref, input_idx, &descriptor_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1sign_1dynamic_1p2wsh_1input(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray spend_tx, intptr_t input_idx, int64_t descriptor) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1sign_1dynamic_1p2wsh_1input(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray spend_tx, int64_t input_idx, int64_t descriptor) {
        LDKInMemorySigner this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
@@ -26954,7 +26954,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1sign_1dynam
        CHECK_INNER_FIELD_ACCESS_OR_NULL(descriptor_conv);
        LDKCResult_CVec_CVec_u8ZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_CVec_u8ZZNoneZ), "LDKCResult_CVec_CVec_u8ZZNoneZ");
        *ret_conv = InMemorySigner_sign_dynamic_p2wsh_input(&this_arg_conv, spend_tx_ref, input_idx, &descriptor_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1as_1BaseSign(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -26964,7 +26964,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1as_1BaseSig
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKBaseSign* ret_ret = MALLOC(sizeof(LDKBaseSign), "LDKBaseSign");
        *ret_ret = InMemorySigner_as_BaseSign(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1as_1Sign(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -26974,7 +26974,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1as_1Sign(JN
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKSign* ret_ret = MALLOC(sizeof(LDKSign), "LDKSign");
        *ret_ret = InMemorySigner_as_Sign(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -26999,7 +26999,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1read(JNIEnv
        LDKCResult_InMemorySignerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InMemorySignerDecodeErrorZ), "LDKCResult_InMemorySignerDecodeErrorZ");
        *ret_conv = InMemorySigner_read(ser_ref, arg_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_KeysManager_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -27016,7 +27016,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysManager_1new(JNIEnv *en
        (*env)->GetByteArrayRegion(env, seed, 0, 32, seed_arr);
        unsigned char (*seed_ref)[32] = &seed_arr;
        LDKKeysManager ret_var = KeysManager_new(seed_ref, starting_time_secs, starting_time_nanos);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27037,7 +27037,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysManager_1derive_1channe
        (*env)->GetByteArrayRegion(env, params, 0, 32, params_arr);
        unsigned char (*params_ref)[32] = &params_arr;
        LDKInMemorySigner ret_var = KeysManager_derive_channel_keys(&this_arg_conv, channel_value_satoshis, params_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27091,7 +27091,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysManager_1spend_1spendab
        (*env)->GetByteArrayRegion(env, change_destination_script, 0, change_destination_script_ref.datalen, change_destination_script_ref.data);
        LDKCResult_TransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TransactionNoneZ), "LDKCResult_TransactionNoneZ");
        *ret_conv = KeysManager_spend_spendable_outputs(&this_arg_conv, descriptors_constr, outputs_constr, change_destination_script_ref, feerate_sat_per_1000_weight);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysManager_1as_1KeysInterface(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -27101,7 +27101,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysManager_1as_1KeysInterf
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKKeysInterface* ret_ret = MALLOC(sizeof(LDKKeysInterface), "LDKKeysInterface");
        *ret_ret = KeysManager_as_KeysInterface(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PhantomKeysManager_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -27119,7 +27119,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomKeysManager_1as_1Key
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKKeysInterface* ret_ret = MALLOC(sizeof(LDKKeysInterface), "LDKKeysInterface");
        *ret_ret = PhantomKeysManager_as_KeysInterface(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomKeysManager_1new(JNIEnv *env, jclass clz, int8_tArray seed, int64_t starting_time_secs, int32_t starting_time_nanos, int8_tArray cross_node_seed) {
@@ -27132,7 +27132,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomKeysManager_1new(JNI
        (*env)->GetByteArrayRegion(env, cross_node_seed, 0, 32, cross_node_seed_arr);
        unsigned char (*cross_node_seed_ref)[32] = &cross_node_seed_arr;
        LDKPhantomKeysManager ret_var = PhantomKeysManager_new(seed_ref, starting_time_secs, starting_time_nanos, cross_node_seed_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27186,7 +27186,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomKeysManager_1spend_1
        (*env)->GetByteArrayRegion(env, change_destination_script, 0, change_destination_script_ref.datalen, change_destination_script_ref.data);
        LDKCResult_TransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TransactionNoneZ), "LDKCResult_TransactionNoneZ");
        *ret_conv = PhantomKeysManager_spend_spendable_outputs(&this_arg_conv, descriptors_constr, outputs_constr, change_destination_script_ref, feerate_sat_per_1000_weight);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomKeysManager_1derive_1channel_1keys(JNIEnv *env, jclass clz, int64_t this_arg, int64_t channel_value_satoshis, int8_tArray params) {
@@ -27199,7 +27199,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomKeysManager_1derive_
        (*env)->GetByteArrayRegion(env, params, 0, 32, params_arr);
        unsigned char (*params_ref)[32] = &params_arr;
        LDKInMemorySigner ret_var = PhantomKeysManager_derive_channel_keys(&this_arg_conv, channel_value_satoshis, params_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27250,7 +27250,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainParameters_1get_1best_
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKBestBlock ret_var = ChainParameters_get_best_block(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27282,7 +27282,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainParameters_1new(JNIEnv
        CHECK_INNER_FIELD_ACCESS_OR_NULL(best_block_arg_conv);
        best_block_arg_conv = BestBlock_clone(&best_block_arg_conv);
        LDKChainParameters ret_var = ChainParameters_new(network_arg_conv, best_block_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27295,7 +27295,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainParameters_1new(JNIEnv
 
 static inline uintptr_t ChainParameters_clone_ptr(LDKChainParameters *NONNULL_PTR arg) {
        LDKChainParameters ret_var = ChainParameters_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27305,12 +27305,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChainParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChainParameters arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChainParameters_clone_ptr(&arg_conv);
+       int64_t ret_val = ChainParameters_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -27320,7 +27320,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainParameters_1clone(JNIE
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChainParameters ret_var = ChainParameters_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27392,7 +27392,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CounterpartyForwardingInfo_1se
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyForwardingInfo_1new(JNIEnv *env, jclass clz, int32_t fee_base_msat_arg, int32_t fee_proportional_millionths_arg, int16_t cltv_expiry_delta_arg) {
        LDKCounterpartyForwardingInfo ret_var = CounterpartyForwardingInfo_new(fee_base_msat_arg, fee_proportional_millionths_arg, cltv_expiry_delta_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27405,7 +27405,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyForwardingInfo_
 
 static inline uintptr_t CounterpartyForwardingInfo_clone_ptr(LDKCounterpartyForwardingInfo *NONNULL_PTR arg) {
        LDKCounterpartyForwardingInfo ret_var = CounterpartyForwardingInfo_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27415,12 +27415,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CounterpartyForwardingInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyForwardingInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCounterpartyForwardingInfo arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = CounterpartyForwardingInfo_clone_ptr(&arg_conv);
+       int64_t ret_val = CounterpartyForwardingInfo_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -27430,7 +27430,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyForwardingInfo_
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKCounterpartyForwardingInfo ret_var = CounterpartyForwardingInfo_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27476,7 +27476,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelCounterparty_1get_1f
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKInitFeatures ret_var = ChannelCounterparty_get_features(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27523,7 +27523,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelCounterparty_1get_1f
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCounterpartyForwardingInfo ret_var = ChannelCounterparty_get_forwarding_info(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -27564,7 +27564,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelCounterparty_1new(JN
        CHECK_INNER_FIELD_ACCESS_OR_NULL(forwarding_info_arg_conv);
        forwarding_info_arg_conv = CounterpartyForwardingInfo_clone(&forwarding_info_arg_conv);
        LDKChannelCounterparty ret_var = ChannelCounterparty_new(node_id_arg_ref, features_arg_conv, unspendable_punishment_reserve_arg, forwarding_info_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27577,7 +27577,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelCounterparty_1new(JN
 
 static inline uintptr_t ChannelCounterparty_clone_ptr(LDKChannelCounterparty *NONNULL_PTR arg) {
        LDKChannelCounterparty ret_var = ChannelCounterparty_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27587,12 +27587,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelCounterparty_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelCounterparty_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelCounterparty arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelCounterparty_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelCounterparty_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -27602,7 +27602,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelCounterparty_1clone(
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelCounterparty ret_var = ChannelCounterparty_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27648,7 +27648,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1get_1counte
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelCounterparty ret_var = ChannelDetails_get_counterparty(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27678,7 +27678,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1get_1fundin
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKOutPoint ret_var = ChannelDetails_get_funding_txo(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -27711,7 +27711,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1get_1short_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = ChannelDetails_get_short_channel_id(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -27751,7 +27751,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1get_1unspen
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = ChannelDetails_get_unspendable_punishment_reserve(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -27842,7 +27842,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1get_1confir
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u32Z *ret_copy = MALLOC(sizeof(LDKCOption_u32Z), "LDKCOption_u32Z");
        *ret_copy = ChannelDetails_get_confirmations_required(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -27865,7 +27865,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1get_1force_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u16Z *ret_copy = MALLOC(sizeof(LDKCOption_u16Z), "LDKCOption_u16Z");
        *ret_copy = ChannelDetails_get_force_close_spend_delay(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -27979,7 +27979,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1new(JNIEnv
        LDKCOption_u16Z force_close_spend_delay_arg_conv = *(LDKCOption_u16Z*)(force_close_spend_delay_arg_ptr);
        force_close_spend_delay_arg_conv = COption_u16Z_clone((LDKCOption_u16Z*)(((uintptr_t)force_close_spend_delay_arg) & ~1));
        LDKChannelDetails ret_var = ChannelDetails_new(channel_id_arg_ref, counterparty_arg_conv, funding_txo_arg_conv, short_channel_id_arg_conv, channel_value_satoshis_arg, unspendable_punishment_reserve_arg_conv, user_channel_id_arg, balance_msat_arg, outbound_capacity_msat_arg, inbound_capacity_msat_arg, confirmations_required_arg_conv, force_close_spend_delay_arg_conv, is_outbound_arg, is_funding_locked_arg, is_usable_arg, is_public_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27992,7 +27992,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1new(JNIEnv
 
 static inline uintptr_t ChannelDetails_clone_ptr(LDKChannelDetails *NONNULL_PTR arg) {
        LDKChannelDetails ret_var = ChannelDetails_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -28002,12 +28002,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelDetails arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelDetails_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelDetails_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -28017,7 +28017,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1clone(JNIEn
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelDetails ret_var = ChannelDetails_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -28040,12 +28040,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1free(JNIEn
 static inline uintptr_t PaymentSendFailure_clone_ptr(LDKPaymentSendFailure *NONNULL_PTR arg) {
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = PaymentSendFailure_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPaymentSendFailure* arg_conv = (LDKPaymentSendFailure*)arg;
-       intptr_t ret_val = PaymentSendFailure_clone_ptr(arg_conv);
+       int64_t ret_val = PaymentSendFailure_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -28053,7 +28053,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1clone(J
        LDKPaymentSendFailure* orig_conv = (LDKPaymentSendFailure*)orig;
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = PaymentSendFailure_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -28064,7 +28064,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1paramet
        a_conv = APIError_clone((LDKAPIError*)(((uintptr_t)a) & ~1));
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = PaymentSendFailure_parameter_error(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -28087,7 +28087,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1path_1p
        (*env)->ReleaseLongArrayElements(env, a, a_vals, 0);
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = PaymentSendFailure_path_parameter_error(a_constr);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -28110,7 +28110,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1all_1fa
        (*env)->ReleaseLongArrayElements(env, a, a_vals, 0);
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = PaymentSendFailure_all_failed_retry_safe(a_constr);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -28140,7 +28140,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1partial
        (*env)->GetByteArrayRegion(env, payment_id, 0, 32, payment_id_ref.data);
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = PaymentSendFailure_partial_failure(results_constr, failed_paths_retry_conv, payment_id_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -28163,7 +28163,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_PhantomRouteHints_1get
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t q = 0; q < ret_var.datalen; q++) {
                LDKChannelDetails ret_conv_16_var = ret_var.data[q];
-               uintptr_t ret_conv_16_ref = 0;
+               int64_t ret_conv_16_ref = 0;
                CHECK((((uintptr_t)ret_conv_16_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_16_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_16_var);
@@ -28263,7 +28263,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomRouteHints_1new(JNIE
        CHECK((*env)->GetArrayLength(env, real_node_pubkey_arg) == 33);
        (*env)->GetByteArrayRegion(env, real_node_pubkey_arg, 0, 33, real_node_pubkey_arg_ref.compressed_form);
        LDKPhantomRouteHints ret_var = PhantomRouteHints_new(channels_arg_constr, phantom_scid_arg, real_node_pubkey_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -28276,7 +28276,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomRouteHints_1new(JNIE
 
 static inline uintptr_t PhantomRouteHints_clone_ptr(LDKPhantomRouteHints *NONNULL_PTR arg) {
        LDKPhantomRouteHints ret_var = PhantomRouteHints_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -28286,12 +28286,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_PhantomRouteHints_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomRouteHints_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPhantomRouteHints arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = PhantomRouteHints_clone_ptr(&arg_conv);
+       int64_t ret_val = PhantomRouteHints_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -28301,7 +28301,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomRouteHints_1clone(JN
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKPhantomRouteHints ret_var = PhantomRouteHints_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -28359,7 +28359,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1new(JNIEnv
        CHECK_INNER_FIELD_ACCESS_OR_NULL(params_conv);
        params_conv = ChainParameters_clone(&params_conv);
        LDKChannelManager ret_var = ChannelManager_new(fee_est_conv, chain_monitor_conv, tx_broadcaster_conv, logger_conv, keys_manager_conv, config_conv, params_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -28376,7 +28376,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1get_1curren
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKUserConfig ret_var = ChannelManager_get_current_default_configuration(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -28402,7 +28402,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1cha
        override_config_conv = UserConfig_clone(&override_config_conv);
        LDKCResult__u832APIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult__u832APIErrorZ), "LDKCResult__u832APIErrorZ");
        *ret_conv = ChannelManager_create_channel(&this_arg_conv, their_network_key_ref, channel_value_satoshis, push_msat, user_channel_id, override_config_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelManager_1list_1channels(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -28416,7 +28416,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelManager_1list_1
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t q = 0; q < ret_var.datalen; q++) {
                LDKChannelDetails ret_conv_16_var = ret_var.data[q];
-               uintptr_t ret_conv_16_ref = 0;
+               int64_t ret_conv_16_ref = 0;
                CHECK((((uintptr_t)ret_conv_16_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_16_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_16_var);
@@ -28442,7 +28442,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelManager_1list_1
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t q = 0; q < ret_var.datalen; q++) {
                LDKChannelDetails ret_conv_16_var = ret_var.data[q];
-               uintptr_t ret_conv_16_ref = 0;
+               int64_t ret_conv_16_ref = 0;
                CHECK((((uintptr_t)ret_conv_16_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_16_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_16_var);
@@ -28468,7 +28468,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1close_1chan
        unsigned char (*channel_id_ref)[32] = &channel_id_arr;
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = ChannelManager_close_channel(&this_arg_conv, channel_id_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1close_1channel_1with_1target_1feerate(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray channel_id, int32_t target_feerate_sats_per_1000_weight) {
@@ -28482,7 +28482,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1close_1chan
        unsigned char (*channel_id_ref)[32] = &channel_id_arr;
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = ChannelManager_close_channel_with_target_feerate(&this_arg_conv, channel_id_ref, target_feerate_sats_per_1000_weight);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1force_1close_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray channel_id) {
@@ -28496,7 +28496,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1force_1clos
        unsigned char (*channel_id_ref)[32] = &channel_id_arr;
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = ChannelManager_force_close_channel(&this_arg_conv, channel_id_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManager_1force_1close_1all_1channels(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -28524,7 +28524,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1send_1payme
        (*env)->GetByteArrayRegion(env, payment_secret, 0, 32, payment_secret_ref.data);
        LDKCResult_PaymentIdPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentSendFailureZ), "LDKCResult_PaymentIdPaymentSendFailureZ");
        *ret_conv = ChannelManager_send_payment(&this_arg_conv, &route_conv, payment_hash_ref, payment_secret_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1retry_1payment(JNIEnv *env, jclass clz, int64_t this_arg, int64_t route, int8_tArray payment_id) {
@@ -28541,7 +28541,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1retry_1paym
        (*env)->GetByteArrayRegion(env, payment_id, 0, 32, payment_id_ref.data);
        LDKCResult_NonePaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePaymentSendFailureZ), "LDKCResult_NonePaymentSendFailureZ");
        *ret_conv = ChannelManager_retry_payment(&this_arg_conv, &route_conv, payment_id_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManager_1abandon_1payment(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray payment_id) {
@@ -28569,7 +28569,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1send_1spont
        (*env)->GetByteArrayRegion(env, payment_preimage, 0, 32, payment_preimage_ref.data);
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ), "LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ");
        *ret_conv = ChannelManager_send_spontaneous_payment(&this_arg_conv, &route_conv, payment_preimage_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1funding_1transaction_1generated(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray temporary_channel_id, int8_tArray funding_transaction) {
@@ -28588,7 +28588,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1funding_1tr
        funding_transaction_ref.data_is_owned = true;
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = ChannelManager_funding_transaction_generated(&this_arg_conv, temporary_channel_id_ref, funding_transaction_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManager_1broadcast_1node_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray rgb, int8_tArray alias, int64_tArray addresses) {
@@ -28682,7 +28682,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1accept_1inb
        unsigned char (*temporary_channel_id_ref)[32] = &temporary_channel_id_arr;
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = ChannelManager_accept_inbound_channel(&this_arg_conv, temporary_channel_id_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inbound_1payment(JNIEnv *env, jclass clz, int64_t this_arg, int64_t min_value_msat, int32_t invoice_expiry_delta_secs) {
@@ -28696,7 +28696,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inb
        min_value_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uintptr_t)min_value_msat) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ");
        *ret_conv = ChannelManager_create_inbound_payment(&this_arg_conv, min_value_msat_conv, invoice_expiry_delta_secs);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inbound_1payment_1legacy(JNIEnv *env, jclass clz, int64_t this_arg, int64_t min_value_msat, int32_t invoice_expiry_delta_secs) {
@@ -28710,7 +28710,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inb
        min_value_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uintptr_t)min_value_msat) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ");
        *ret_conv = ChannelManager_create_inbound_payment_legacy(&this_arg_conv, min_value_msat_conv, invoice_expiry_delta_secs);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inbound_1payment_1for_1hash(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray payment_hash, int64_t min_value_msat, int32_t invoice_expiry_delta_secs) {
@@ -28727,7 +28727,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inb
        min_value_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uintptr_t)min_value_msat) & ~1));
        LDKCResult_PaymentSecretNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretNoneZ), "LDKCResult_PaymentSecretNoneZ");
        *ret_conv = ChannelManager_create_inbound_payment_for_hash(&this_arg_conv, payment_hash_ref, min_value_msat_conv, invoice_expiry_delta_secs);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inbound_1payment_1for_1hash_1legacy(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray payment_hash, int64_t min_value_msat, int32_t invoice_expiry_delta_secs) {
@@ -28744,7 +28744,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inb
        min_value_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uintptr_t)min_value_msat) & ~1));
        LDKCResult_PaymentSecretAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretAPIErrorZ), "LDKCResult_PaymentSecretAPIErrorZ");
        *ret_conv = ChannelManager_create_inbound_payment_for_hash_legacy(&this_arg_conv, payment_hash_ref, min_value_msat_conv, invoice_expiry_delta_secs);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1get_1payment_1preimage(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray payment_hash, int8_tArray payment_secret) {
@@ -28760,7 +28760,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1get_1paymen
        (*env)->GetByteArrayRegion(env, payment_secret, 0, 32, payment_secret_ref.data);
        LDKCResult_PaymentPreimageAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentPreimageAPIErrorZ), "LDKCResult_PaymentPreimageAPIErrorZ");
        *ret_conv = ChannelManager_get_payment_preimage(&this_arg_conv, payment_hash_ref, payment_secret_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1get_1phantom_1scid(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -28778,7 +28778,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1get_1phanto
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKPhantomRouteHints ret_var = ChannelManager_get_phantom_route_hints(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -28796,7 +28796,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1Message
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKMessageSendEventsProvider* ret_ret = MALLOC(sizeof(LDKMessageSendEventsProvider), "LDKMessageSendEventsProvider");
        *ret_ret = ChannelManager_as_MessageSendEventsProvider(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1EventsProvider(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -28806,7 +28806,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1EventsP
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKEventsProvider* ret_ret = MALLOC(sizeof(LDKEventsProvider), "LDKEventsProvider");
        *ret_ret = ChannelManager_as_EventsProvider(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1Listen(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -28816,7 +28816,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1Listen(
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKListen* ret_ret = MALLOC(sizeof(LDKListen), "LDKListen");
        *ret_ret = ChannelManager_as_Listen(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1Confirm(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -28826,7 +28826,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1Confirm
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKConfirm* ret_ret = MALLOC(sizeof(LDKConfirm), "LDKConfirm");
        *ret_ret = ChannelManager_as_Confirm(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_ChannelManager_1await_1persistable_1update_1timeout(JNIEnv *env, jclass clz, int64_t this_arg, int64_t max_wait) {
@@ -28852,7 +28852,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1current_1be
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKBestBlock ret_var = ChannelManager_current_best_block(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -28870,7 +28870,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1Channel
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKChannelMessageHandler* ret_ret = MALLOC(sizeof(LDKChannelMessageHandler), "LDKChannelMessageHandler");
        *ret_ret = ChannelManager_as_ChannelMessageHandler(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_CounterpartyForwardingInfo_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -28892,7 +28892,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyForwardingInfo_
        LDKCResult_CounterpartyForwardingInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyForwardingInfoDecodeErrorZ), "LDKCResult_CounterpartyForwardingInfoDecodeErrorZ");
        *ret_conv = CounterpartyForwardingInfo_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ChannelCounterparty_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -28914,7 +28914,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelCounterparty_1read(J
        LDKCResult_ChannelCounterpartyDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelCounterpartyDecodeErrorZ), "LDKCResult_ChannelCounterpartyDecodeErrorZ");
        *ret_conv = ChannelCounterparty_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -28936,7 +28936,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1read(JNIEnv
        LDKCResult_ChannelDetailsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelDetailsDecodeErrorZ), "LDKCResult_ChannelDetailsDecodeErrorZ");
        *ret_conv = ChannelDetails_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_PhantomRouteHints_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -28958,7 +28958,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomRouteHints_1read(JNI
        LDKCResult_PhantomRouteHintsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PhantomRouteHintsDecodeErrorZ), "LDKCResult_PhantomRouteHintsDecodeErrorZ");
        *ret_conv = PhantomRouteHints_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ChannelManager_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -28987,7 +28987,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1get
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        // WARNING: This object doesn't live past this scope, needs clone!
-       uintptr_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_keys_manager(&this_ptr_conv)) | 1;
+       int64_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_keys_manager(&this_ptr_conv)) | 1;
        return ret_ret;
 }
 
@@ -29012,7 +29012,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1get
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        // WARNING: This object doesn't live past this scope, needs clone!
-       uintptr_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_fee_estimator(&this_ptr_conv)) | 1;
+       int64_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_fee_estimator(&this_ptr_conv)) | 1;
        return ret_ret;
 }
 
@@ -29037,7 +29037,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1get
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        // WARNING: This object doesn't live past this scope, needs clone!
-       uintptr_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_chain_monitor(&this_ptr_conv)) | 1;
+       int64_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_chain_monitor(&this_ptr_conv)) | 1;
        return ret_ret;
 }
 
@@ -29062,7 +29062,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1get
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        // WARNING: This object doesn't live past this scope, needs clone!
-       uintptr_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_tx_broadcaster(&this_ptr_conv)) | 1;
+       int64_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_tx_broadcaster(&this_ptr_conv)) | 1;
        return ret_ret;
 }
 
@@ -29087,7 +29087,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1get
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        // WARNING: This object doesn't live past this scope, needs clone!
-       uintptr_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_logger(&this_ptr_conv)) | 1;
+       int64_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_logger(&this_ptr_conv)) | 1;
        return ret_ret;
 }
 
@@ -29112,7 +29112,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1get
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKUserConfig ret_var = ChannelManagerReadArgs_get_default_config(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29194,7 +29194,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1new
        }
        (*env)->ReleaseLongArrayElements(env, channel_monitors, channel_monitors_vals, 0);
        LDKChannelManagerReadArgs ret_var = ChannelManagerReadArgs_new(keys_manager_conv, fee_estimator_conv, chain_monitor_conv, tx_broadcaster_conv, logger_conv, default_config_conv, channel_monitors_constr);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29217,7 +29217,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMa
        LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ");
        *ret_conv = C2Tuple_BlockHashChannelManagerZ_read(ser_ref, arg_conv);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DecodeError_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -29230,7 +29230,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DecodeError_1free(JNIEnv *env,
 
 static inline uintptr_t DecodeError_clone_ptr(LDKDecodeError *NONNULL_PTR arg) {
        LDKDecodeError ret_var = DecodeError_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29240,12 +29240,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_DecodeError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DecodeError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKDecodeError arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = DecodeError_clone_ptr(&arg_conv);
+       int64_t ret_val = DecodeError_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -29255,7 +29255,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DecodeError_1clone(JNIEnv *
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKDecodeError ret_var = DecodeError_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29280,7 +29280,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Init_1get_1features(JNIEnv
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKInitFeatures ret_var = Init_get_features(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29311,7 +29311,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Init_1new(JNIEnv *env, jcla
        CHECK_INNER_FIELD_ACCESS_OR_NULL(features_arg_conv);
        features_arg_conv = InitFeatures_clone(&features_arg_conv);
        LDKInit ret_var = Init_new(features_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29324,7 +29324,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Init_1new(JNIEnv *env, jcla
 
 static inline uintptr_t Init_clone_ptr(LDKInit *NONNULL_PTR arg) {
        LDKInit ret_var = Init_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29334,12 +29334,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Init_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Init_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKInit arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = Init_clone_ptr(&arg_conv);
+       int64_t ret_val = Init_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -29349,7 +29349,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Init_1clone(JNIEnv *env, jc
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKInit ret_var = Init_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29415,7 +29415,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorMessage_1new(JNIEnv *e
        (*env)->GetByteArrayRegion(env, channel_id_arg, 0, 32, channel_id_arg_ref.data);
        LDKStr data_arg_conv = java_to_owned_str(env, data_arg);
        LDKErrorMessage ret_var = ErrorMessage_new(channel_id_arg_ref, data_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29428,7 +29428,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorMessage_1new(JNIEnv *e
 
 static inline uintptr_t ErrorMessage_clone_ptr(LDKErrorMessage *NONNULL_PTR arg) {
        LDKErrorMessage ret_var = ErrorMessage_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29438,12 +29438,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ErrorMessage_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorMessage_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKErrorMessage arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ErrorMessage_clone_ptr(&arg_conv);
+       int64_t ret_val = ErrorMessage_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -29453,7 +29453,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorMessage_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKErrorMessage ret_var = ErrorMessage_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29519,7 +29519,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WarningMessage_1new(JNIEnv
        (*env)->GetByteArrayRegion(env, channel_id_arg, 0, 32, channel_id_arg_ref.data);
        LDKStr data_arg_conv = java_to_owned_str(env, data_arg);
        LDKWarningMessage ret_var = WarningMessage_new(channel_id_arg_ref, data_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29532,7 +29532,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WarningMessage_1new(JNIEnv
 
 static inline uintptr_t WarningMessage_clone_ptr(LDKWarningMessage *NONNULL_PTR arg) {
        LDKWarningMessage ret_var = WarningMessage_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29542,12 +29542,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_WarningMessage_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WarningMessage_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKWarningMessage arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = WarningMessage_clone_ptr(&arg_conv);
+       int64_t ret_val = WarningMessage_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -29557,7 +29557,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WarningMessage_1clone(JNIEn
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKWarningMessage ret_var = WarningMessage_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29612,7 +29612,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Ping_1set_1byteslen(JNIEnv *en
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Ping_1new(JNIEnv *env, jclass clz, int16_t ponglen_arg, int16_t byteslen_arg) {
        LDKPing ret_var = Ping_new(ponglen_arg, byteslen_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29625,7 +29625,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Ping_1new(JNIEnv *env, jcla
 
 static inline uintptr_t Ping_clone_ptr(LDKPing *NONNULL_PTR arg) {
        LDKPing ret_var = Ping_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29635,12 +29635,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Ping_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Ping_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPing arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = Ping_clone_ptr(&arg_conv);
+       int64_t ret_val = Ping_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -29650,7 +29650,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Ping_1clone(JNIEnv *env, jc
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKPing ret_var = Ping_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29688,7 +29688,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Pong_1set_1byteslen(JNIEnv *en
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Pong_1new(JNIEnv *env, jclass clz, int16_t byteslen_arg) {
        LDKPong ret_var = Pong_new(byteslen_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29701,7 +29701,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Pong_1new(JNIEnv *env, jcla
 
 static inline uintptr_t Pong_clone_ptr(LDKPong *NONNULL_PTR arg) {
        LDKPong ret_var = Pong_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29711,12 +29711,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Pong_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Pong_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPong arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = Pong_clone_ptr(&arg_conv);
+       int64_t ret_val = Pong_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -29726,7 +29726,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Pong_1clone(JNIEnv *env, jc
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKPong ret_var = Pong_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30089,7 +30089,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_OpenChannel_1get_1channel_1
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelTypeFeatures ret_var = OpenChannel_get_channel_type(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -30117,7 +30117,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_OpenChannel_1set_1channel_1typ
 
 static inline uintptr_t OpenChannel_clone_ptr(LDKOpenChannel *NONNULL_PTR arg) {
        LDKOpenChannel ret_var = OpenChannel_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30127,12 +30127,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_OpenChannel_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_OpenChannel_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKOpenChannel arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = OpenChannel_clone_ptr(&arg_conv);
+       int64_t ret_val = OpenChannel_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -30142,7 +30142,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_OpenChannel_1clone(JNIEnv *
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKOpenChannel ret_var = OpenChannel_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30433,7 +30433,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AcceptChannel_1get_1channel
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelTypeFeatures ret_var = AcceptChannel_get_channel_type(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -30461,7 +30461,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_AcceptChannel_1set_1channel_1t
 
 static inline uintptr_t AcceptChannel_clone_ptr(LDKAcceptChannel *NONNULL_PTR arg) {
        LDKAcceptChannel ret_var = AcceptChannel_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30471,12 +30471,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_AcceptChannel_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AcceptChannel_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKAcceptChannel arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = AcceptChannel_clone_ptr(&arg_conv);
+       int64_t ret_val = AcceptChannel_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -30486,7 +30486,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AcceptChannel_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKAcceptChannel ret_var = AcceptChannel_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30596,7 +30596,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingCreated_1new(JNIEnv
        CHECK((*env)->GetArrayLength(env, signature_arg) == 64);
        (*env)->GetByteArrayRegion(env, signature_arg, 0, 64, signature_arg_ref.compact_form);
        LDKFundingCreated ret_var = FundingCreated_new(temporary_channel_id_arg_ref, funding_txid_arg_ref, funding_output_index_arg, signature_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30609,7 +30609,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingCreated_1new(JNIEnv
 
 static inline uintptr_t FundingCreated_clone_ptr(LDKFundingCreated *NONNULL_PTR arg) {
        LDKFundingCreated ret_var = FundingCreated_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30619,12 +30619,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_FundingCreated_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingCreated_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKFundingCreated arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = FundingCreated_clone_ptr(&arg_conv);
+       int64_t ret_val = FundingCreated_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -30634,7 +30634,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingCreated_1clone(JNIEn
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKFundingCreated ret_var = FundingCreated_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30703,7 +30703,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingSigned_1new(JNIEnv *
        CHECK((*env)->GetArrayLength(env, signature_arg) == 64);
        (*env)->GetByteArrayRegion(env, signature_arg, 0, 64, signature_arg_ref.compact_form);
        LDKFundingSigned ret_var = FundingSigned_new(channel_id_arg_ref, signature_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30716,7 +30716,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingSigned_1new(JNIEnv *
 
 static inline uintptr_t FundingSigned_clone_ptr(LDKFundingSigned *NONNULL_PTR arg) {
        LDKFundingSigned ret_var = FundingSigned_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30726,12 +30726,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_FundingSigned_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingSigned_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKFundingSigned arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = FundingSigned_clone_ptr(&arg_conv);
+       int64_t ret_val = FundingSigned_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -30741,7 +30741,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingSigned_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKFundingSigned ret_var = FundingSigned_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30810,7 +30810,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingLocked_1new(JNIEnv *
        CHECK((*env)->GetArrayLength(env, next_per_commitment_point_arg) == 33);
        (*env)->GetByteArrayRegion(env, next_per_commitment_point_arg, 0, 33, next_per_commitment_point_arg_ref.compressed_form);
        LDKFundingLocked ret_var = FundingLocked_new(channel_id_arg_ref, next_per_commitment_point_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30823,7 +30823,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingLocked_1new(JNIEnv *
 
 static inline uintptr_t FundingLocked_clone_ptr(LDKFundingLocked *NONNULL_PTR arg) {
        LDKFundingLocked ret_var = FundingLocked_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30833,12 +30833,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_FundingLocked_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingLocked_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKFundingLocked arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = FundingLocked_clone_ptr(&arg_conv);
+       int64_t ret_val = FundingLocked_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -30848,7 +30848,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingLocked_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKFundingLocked ret_var = FundingLocked_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30920,7 +30920,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Shutdown_1new(JNIEnv *env,
        scriptpubkey_arg_ref.data = MALLOC(scriptpubkey_arg_ref.datalen, "LDKCVec_u8Z Bytes");
        (*env)->GetByteArrayRegion(env, scriptpubkey_arg, 0, scriptpubkey_arg_ref.datalen, scriptpubkey_arg_ref.data);
        LDKShutdown ret_var = Shutdown_new(channel_id_arg_ref, scriptpubkey_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30933,7 +30933,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Shutdown_1new(JNIEnv *env,
 
 static inline uintptr_t Shutdown_clone_ptr(LDKShutdown *NONNULL_PTR arg) {
        LDKShutdown ret_var = Shutdown_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30943,12 +30943,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Shutdown_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Shutdown_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKShutdown arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = Shutdown_clone_ptr(&arg_conv);
+       int64_t ret_val = Shutdown_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -30958,7 +30958,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Shutdown_1clone(JNIEnv *env
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKShutdown ret_var = Shutdown_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31013,7 +31013,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ClosingSignedFeeRange_1set_1ma
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSignedFeeRange_1new(JNIEnv *env, jclass clz, int64_t min_fee_satoshis_arg, int64_t max_fee_satoshis_arg) {
        LDKClosingSignedFeeRange ret_var = ClosingSignedFeeRange_new(min_fee_satoshis_arg, max_fee_satoshis_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31026,7 +31026,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSignedFeeRange_1new(
 
 static inline uintptr_t ClosingSignedFeeRange_clone_ptr(LDKClosingSignedFeeRange *NONNULL_PTR arg) {
        LDKClosingSignedFeeRange ret_var = ClosingSignedFeeRange_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31036,12 +31036,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ClosingSignedFeeRange_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSignedFeeRange_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKClosingSignedFeeRange arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ClosingSignedFeeRange_clone_ptr(&arg_conv);
+       int64_t ret_val = ClosingSignedFeeRange_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -31051,7 +31051,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSignedFeeRange_1clon
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKClosingSignedFeeRange ret_var = ClosingSignedFeeRange_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31135,7 +31135,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSigned_1get_1fee_1ra
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKClosingSignedFeeRange ret_var = ClosingSigned_get_fee_range(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -31174,7 +31174,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSigned_1new(JNIEnv *
        CHECK_INNER_FIELD_ACCESS_OR_NULL(fee_range_arg_conv);
        fee_range_arg_conv = ClosingSignedFeeRange_clone(&fee_range_arg_conv);
        LDKClosingSigned ret_var = ClosingSigned_new(channel_id_arg_ref, fee_satoshis_arg, signature_arg_ref, fee_range_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31187,7 +31187,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSigned_1new(JNIEnv *
 
 static inline uintptr_t ClosingSigned_clone_ptr(LDKClosingSigned *NONNULL_PTR arg) {
        LDKClosingSigned ret_var = ClosingSigned_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31197,12 +31197,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ClosingSigned_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSigned_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKClosingSigned arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ClosingSigned_clone_ptr(&arg_conv);
+       int64_t ret_val = ClosingSigned_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -31212,7 +31212,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSigned_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKClosingSigned ret_var = ClosingSigned_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31326,7 +31326,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_UpdateAddHTLC_1set_1cltv_1expi
 
 static inline uintptr_t UpdateAddHTLC_clone_ptr(LDKUpdateAddHTLC *NONNULL_PTR arg) {
        LDKUpdateAddHTLC ret_var = UpdateAddHTLC_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31336,12 +31336,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_UpdateAddHTLC_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateAddHTLC_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKUpdateAddHTLC arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = UpdateAddHTLC_clone_ptr(&arg_conv);
+       int64_t ret_val = UpdateAddHTLC_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -31351,7 +31351,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateAddHTLC_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKUpdateAddHTLC ret_var = UpdateAddHTLC_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31437,7 +31437,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFulfillHTLC_1new(JNIE
        CHECK((*env)->GetArrayLength(env, payment_preimage_arg) == 32);
        (*env)->GetByteArrayRegion(env, payment_preimage_arg, 0, 32, payment_preimage_arg_ref.data);
        LDKUpdateFulfillHTLC ret_var = UpdateFulfillHTLC_new(channel_id_arg_ref, htlc_id_arg, payment_preimage_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31450,7 +31450,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFulfillHTLC_1new(JNIE
 
 static inline uintptr_t UpdateFulfillHTLC_clone_ptr(LDKUpdateFulfillHTLC *NONNULL_PTR arg) {
        LDKUpdateFulfillHTLC ret_var = UpdateFulfillHTLC_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31460,12 +31460,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_UpdateFulfillHTLC_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFulfillHTLC_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKUpdateFulfillHTLC arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = UpdateFulfillHTLC_clone_ptr(&arg_conv);
+       int64_t ret_val = UpdateFulfillHTLC_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -31475,7 +31475,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFulfillHTLC_1clone(JN
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKUpdateFulfillHTLC ret_var = UpdateFulfillHTLC_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31534,7 +31534,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_UpdateFailHTLC_1set_1htlc_1id(
 
 static inline uintptr_t UpdateFailHTLC_clone_ptr(LDKUpdateFailHTLC *NONNULL_PTR arg) {
        LDKUpdateFailHTLC ret_var = UpdateFailHTLC_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31544,12 +31544,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_UpdateFailHTLC_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFailHTLC_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKUpdateFailHTLC arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = UpdateFailHTLC_clone_ptr(&arg_conv);
+       int64_t ret_val = UpdateFailHTLC_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -31559,7 +31559,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFailHTLC_1clone(JNIEn
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKUpdateFailHTLC ret_var = UpdateFailHTLC_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31635,7 +31635,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_UpdateFailMalformedHTLC_1set_1
 
 static inline uintptr_t UpdateFailMalformedHTLC_clone_ptr(LDKUpdateFailMalformedHTLC *NONNULL_PTR arg) {
        LDKUpdateFailMalformedHTLC ret_var = UpdateFailMalformedHTLC_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31645,12 +31645,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_UpdateFailMalformedHTLC_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFailMalformedHTLC_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKUpdateFailMalformedHTLC arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = UpdateFailMalformedHTLC_clone_ptr(&arg_conv);
+       int64_t ret_val = UpdateFailMalformedHTLC_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -31660,7 +31660,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFailMalformedHTLC_1cl
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKUpdateFailMalformedHTLC ret_var = UpdateFailMalformedHTLC_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31763,7 +31763,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentSigned_1new(JNIEn
                htlc_signatures_arg_constr.data[i] = htlc_signatures_arg_conv_8_ref;
        }
        LDKCommitmentSigned ret_var = CommitmentSigned_new(channel_id_arg_ref, signature_arg_ref, htlc_signatures_arg_constr);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31776,7 +31776,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentSigned_1new(JNIEn
 
 static inline uintptr_t CommitmentSigned_clone_ptr(LDKCommitmentSigned *NONNULL_PTR arg) {
        LDKCommitmentSigned ret_var = CommitmentSigned_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31786,12 +31786,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CommitmentSigned_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentSigned_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCommitmentSigned arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = CommitmentSigned_clone_ptr(&arg_conv);
+       int64_t ret_val = CommitmentSigned_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -31801,7 +31801,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentSigned_1clone(JNI
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKCommitmentSigned ret_var = CommitmentSigned_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31894,7 +31894,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RevokeAndACK_1new(JNIEnv *e
        CHECK((*env)->GetArrayLength(env, next_per_commitment_point_arg) == 33);
        (*env)->GetByteArrayRegion(env, next_per_commitment_point_arg, 0, 33, next_per_commitment_point_arg_ref.compressed_form);
        LDKRevokeAndACK ret_var = RevokeAndACK_new(channel_id_arg_ref, per_commitment_secret_arg_ref, next_per_commitment_point_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31907,7 +31907,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RevokeAndACK_1new(JNIEnv *e
 
 static inline uintptr_t RevokeAndACK_clone_ptr(LDKRevokeAndACK *NONNULL_PTR arg) {
        LDKRevokeAndACK ret_var = RevokeAndACK_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31917,12 +31917,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RevokeAndACK_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RevokeAndACK_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRevokeAndACK arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = RevokeAndACK_clone_ptr(&arg_conv);
+       int64_t ret_val = RevokeAndACK_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -31932,7 +31932,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RevokeAndACK_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRevokeAndACK ret_var = RevokeAndACK_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31994,7 +31994,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFee_1new(JNIEnv *env,
        CHECK((*env)->GetArrayLength(env, channel_id_arg) == 32);
        (*env)->GetByteArrayRegion(env, channel_id_arg, 0, 32, channel_id_arg_ref.data);
        LDKUpdateFee ret_var = UpdateFee_new(channel_id_arg_ref, feerate_per_kw_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32007,7 +32007,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFee_1new(JNIEnv *env,
 
 static inline uintptr_t UpdateFee_clone_ptr(LDKUpdateFee *NONNULL_PTR arg) {
        LDKUpdateFee ret_var = UpdateFee_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32017,12 +32017,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_UpdateFee_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFee_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKUpdateFee arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = UpdateFee_clone_ptr(&arg_conv);
+       int64_t ret_val = UpdateFee_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -32032,7 +32032,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFee_1clone(JNIEnv *en
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKUpdateFee ret_var = UpdateFee_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32101,7 +32101,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DataLossProtect_1new(JNIEnv
        CHECK((*env)->GetArrayLength(env, my_current_per_commitment_point_arg) == 33);
        (*env)->GetByteArrayRegion(env, my_current_per_commitment_point_arg, 0, 33, my_current_per_commitment_point_arg_ref.compressed_form);
        LDKDataLossProtect ret_var = DataLossProtect_new(your_last_per_commitment_secret_arg_ref, my_current_per_commitment_point_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32114,7 +32114,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DataLossProtect_1new(JNIEnv
 
 static inline uintptr_t DataLossProtect_clone_ptr(LDKDataLossProtect *NONNULL_PTR arg) {
        LDKDataLossProtect ret_var = DataLossProtect_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32124,12 +32124,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_DataLossProtect_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DataLossProtect_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKDataLossProtect arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = DataLossProtect_clone_ptr(&arg_conv);
+       int64_t ret_val = DataLossProtect_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -32139,7 +32139,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DataLossProtect_1clone(JNIE
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKDataLossProtect ret_var = DataLossProtect_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32215,7 +32215,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelReestablish_1set_1next_
 
 static inline uintptr_t ChannelReestablish_clone_ptr(LDKChannelReestablish *NONNULL_PTR arg) {
        LDKChannelReestablish ret_var = ChannelReestablish_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32225,12 +32225,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelReestablish_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelReestablish_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelReestablish arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelReestablish_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelReestablish_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -32240,7 +32240,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelReestablish_1clone(J
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelReestablish ret_var = ChannelReestablish_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32350,7 +32350,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AnnouncementSignatures_1new
        CHECK((*env)->GetArrayLength(env, bitcoin_signature_arg) == 64);
        (*env)->GetByteArrayRegion(env, bitcoin_signature_arg, 0, 64, bitcoin_signature_arg_ref.compact_form);
        LDKAnnouncementSignatures ret_var = AnnouncementSignatures_new(channel_id_arg_ref, short_channel_id_arg, node_signature_arg_ref, bitcoin_signature_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32363,7 +32363,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AnnouncementSignatures_1new
 
 static inline uintptr_t AnnouncementSignatures_clone_ptr(LDKAnnouncementSignatures *NONNULL_PTR arg) {
        LDKAnnouncementSignatures ret_var = AnnouncementSignatures_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32373,12 +32373,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_AnnouncementSignatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AnnouncementSignatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKAnnouncementSignatures arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = AnnouncementSignatures_clone_ptr(&arg_conv);
+       int64_t ret_val = AnnouncementSignatures_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -32388,7 +32388,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AnnouncementSignatures_1clo
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKAnnouncementSignatures ret_var = AnnouncementSignatures_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32411,12 +32411,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetAddress_1free(JNIEnv *env,
 static inline uintptr_t NetAddress_clone_ptr(LDKNetAddress *NONNULL_PTR arg) {
        LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
        *ret_copy = NetAddress_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKNetAddress* arg_conv = (LDKNetAddress*)arg;
-       intptr_t ret_val = NetAddress_clone_ptr(arg_conv);
+       int64_t ret_val = NetAddress_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -32424,7 +32424,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1clone(JNIEnv *e
        LDKNetAddress* orig_conv = (LDKNetAddress*)orig;
        LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
        *ret_copy = NetAddress_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -32434,7 +32434,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1ipv4(JNIEnv *en
        (*env)->GetByteArrayRegion(env, addr, 0, 4, addr_ref.data);
        LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
        *ret_copy = NetAddress_ipv4(addr_ref, port);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -32444,7 +32444,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1ipv6(JNIEnv *en
        (*env)->GetByteArrayRegion(env, addr, 0, 16, addr_ref.data);
        LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
        *ret_copy = NetAddress_ipv6(addr_ref, port);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -32454,7 +32454,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1onion_1v2(JNIEn
        (*env)->GetByteArrayRegion(env, a, 0, 12, a_ref.data);
        LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
        *ret_copy = NetAddress_onion_v2(a_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -32464,7 +32464,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1onion_1v3(JNIEn
        (*env)->GetByteArrayRegion(env, ed25519_pubkey, 0, 32, ed25519_pubkey_ref.data);
        LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
        *ret_copy = NetAddress_onion_v3(ed25519_pubkey_ref, checksum, version, port);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -32484,7 +32484,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1read(JNIEnv *en
        LDKCResult_NetAddressDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetAddressDecodeErrorZ), "LDKCResult_NetAddressDecodeErrorZ");
        *ret_conv = NetAddress_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_UnsignedNodeAnnouncement_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -32501,7 +32501,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedNodeAnnouncement_1g
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKNodeFeatures ret_var = UnsignedNodeAnnouncement_get_features(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32631,7 +32631,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_UnsignedNodeAnnouncement_1set_
 
 static inline uintptr_t UnsignedNodeAnnouncement_clone_ptr(LDKUnsignedNodeAnnouncement *NONNULL_PTR arg) {
        LDKUnsignedNodeAnnouncement ret_var = UnsignedNodeAnnouncement_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32641,12 +32641,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_UnsignedNodeAnnouncement_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedNodeAnnouncement_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKUnsignedNodeAnnouncement arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = UnsignedNodeAnnouncement_clone_ptr(&arg_conv);
+       int64_t ret_val = UnsignedNodeAnnouncement_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -32656,7 +32656,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedNodeAnnouncement_1c
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKUnsignedNodeAnnouncement ret_var = UnsignedNodeAnnouncement_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32702,7 +32702,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncement_1get_1cont
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKUnsignedNodeAnnouncement ret_var = NodeAnnouncement_get_contents(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32736,7 +32736,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncement_1new(JNIEn
        CHECK_INNER_FIELD_ACCESS_OR_NULL(contents_arg_conv);
        contents_arg_conv = UnsignedNodeAnnouncement_clone(&contents_arg_conv);
        LDKNodeAnnouncement ret_var = NodeAnnouncement_new(signature_arg_ref, contents_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32749,7 +32749,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncement_1new(JNIEn
 
 static inline uintptr_t NodeAnnouncement_clone_ptr(LDKNodeAnnouncement *NONNULL_PTR arg) {
        LDKNodeAnnouncement ret_var = NodeAnnouncement_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32759,12 +32759,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncement_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncement_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKNodeAnnouncement arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = NodeAnnouncement_clone_ptr(&arg_conv);
+       int64_t ret_val = NodeAnnouncement_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -32774,7 +32774,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncement_1clone(JNI
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKNodeAnnouncement ret_var = NodeAnnouncement_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32799,7 +32799,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedChannelAnnouncement
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelFeatures ret_var = UnsignedChannelAnnouncement_get_features(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32947,7 +32947,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_UnsignedChannelAnnouncement_1s
 
 static inline uintptr_t UnsignedChannelAnnouncement_clone_ptr(LDKUnsignedChannelAnnouncement *NONNULL_PTR arg) {
        LDKUnsignedChannelAnnouncement ret_var = UnsignedChannelAnnouncement_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32957,12 +32957,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_UnsignedChannelAnnouncement_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedChannelAnnouncement_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKUnsignedChannelAnnouncement arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = UnsignedChannelAnnouncement_clone_ptr(&arg_conv);
+       int64_t ret_val = UnsignedChannelAnnouncement_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -32972,7 +32972,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedChannelAnnouncement
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKUnsignedChannelAnnouncement ret_var = UnsignedChannelAnnouncement_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33081,7 +33081,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelAnnouncement_1get_1c
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKUnsignedChannelAnnouncement ret_var = ChannelAnnouncement_get_contents(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33124,7 +33124,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelAnnouncement_1new(JN
        CHECK_INNER_FIELD_ACCESS_OR_NULL(contents_arg_conv);
        contents_arg_conv = UnsignedChannelAnnouncement_clone(&contents_arg_conv);
        LDKChannelAnnouncement ret_var = ChannelAnnouncement_new(node_signature_1_arg_ref, node_signature_2_arg_ref, bitcoin_signature_1_arg_ref, bitcoin_signature_2_arg_ref, contents_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33137,7 +33137,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelAnnouncement_1new(JN
 
 static inline uintptr_t ChannelAnnouncement_clone_ptr(LDKChannelAnnouncement *NONNULL_PTR arg) {
        LDKChannelAnnouncement ret_var = ChannelAnnouncement_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33147,12 +33147,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelAnnouncement_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelAnnouncement_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelAnnouncement arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelAnnouncement_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelAnnouncement_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -33162,7 +33162,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelAnnouncement_1clone(
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelAnnouncement ret_var = ChannelAnnouncement_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33323,7 +33323,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_UnsignedChannelUpdate_1set_1fe
 
 static inline uintptr_t UnsignedChannelUpdate_clone_ptr(LDKUnsignedChannelUpdate *NONNULL_PTR arg) {
        LDKUnsignedChannelUpdate ret_var = UnsignedChannelUpdate_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33333,12 +33333,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_UnsignedChannelUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedChannelUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKUnsignedChannelUpdate arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = UnsignedChannelUpdate_clone_ptr(&arg_conv);
+       int64_t ret_val = UnsignedChannelUpdate_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -33348,7 +33348,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedChannelUpdate_1clon
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKUnsignedChannelUpdate ret_var = UnsignedChannelUpdate_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33394,7 +33394,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdate_1get_1content
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKUnsignedChannelUpdate ret_var = ChannelUpdate_get_contents(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33428,7 +33428,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdate_1new(JNIEnv *
        CHECK_INNER_FIELD_ACCESS_OR_NULL(contents_arg_conv);
        contents_arg_conv = UnsignedChannelUpdate_clone(&contents_arg_conv);
        LDKChannelUpdate ret_var = ChannelUpdate_new(signature_arg_ref, contents_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33441,7 +33441,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdate_1new(JNIEnv *
 
 static inline uintptr_t ChannelUpdate_clone_ptr(LDKChannelUpdate *NONNULL_PTR arg) {
        LDKChannelUpdate ret_var = ChannelUpdate_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33451,12 +33451,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelUpdate arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelUpdate_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelUpdate_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -33466,7 +33466,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdate_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelUpdate ret_var = ChannelUpdate_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33545,7 +33545,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryChannelRange_1new(JNIE
        CHECK((*env)->GetArrayLength(env, chain_hash_arg) == 32);
        (*env)->GetByteArrayRegion(env, chain_hash_arg, 0, 32, chain_hash_arg_ref.data);
        LDKQueryChannelRange ret_var = QueryChannelRange_new(chain_hash_arg_ref, first_blocknum_arg, number_of_blocks_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33558,7 +33558,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryChannelRange_1new(JNIE
 
 static inline uintptr_t QueryChannelRange_clone_ptr(LDKQueryChannelRange *NONNULL_PTR arg) {
        LDKQueryChannelRange ret_var = QueryChannelRange_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33568,12 +33568,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_QueryChannelRange_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryChannelRange_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKQueryChannelRange arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = QueryChannelRange_clone_ptr(&arg_conv);
+       int64_t ret_val = QueryChannelRange_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -33583,7 +33583,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryChannelRange_1clone(JN
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKQueryChannelRange ret_var = QueryChannelRange_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33711,7 +33711,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyChannelRange_1new(JNIE
        }
        (*env)->ReleaseLongArrayElements(env, short_channel_ids_arg, short_channel_ids_arg_vals, 0);
        LDKReplyChannelRange ret_var = ReplyChannelRange_new(chain_hash_arg_ref, first_blocknum_arg, number_of_blocks_arg, sync_complete_arg, short_channel_ids_arg_constr);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33724,7 +33724,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyChannelRange_1new(JNIE
 
 static inline uintptr_t ReplyChannelRange_clone_ptr(LDKReplyChannelRange *NONNULL_PTR arg) {
        LDKReplyChannelRange ret_var = ReplyChannelRange_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33734,12 +33734,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ReplyChannelRange_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyChannelRange_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKReplyChannelRange arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ReplyChannelRange_clone_ptr(&arg_conv);
+       int64_t ret_val = ReplyChannelRange_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -33749,7 +33749,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyChannelRange_1clone(JN
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKReplyChannelRange ret_var = ReplyChannelRange_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33826,7 +33826,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryShortChannelIds_1new(J
        }
        (*env)->ReleaseLongArrayElements(env, short_channel_ids_arg, short_channel_ids_arg_vals, 0);
        LDKQueryShortChannelIds ret_var = QueryShortChannelIds_new(chain_hash_arg_ref, short_channel_ids_arg_constr);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33839,7 +33839,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryShortChannelIds_1new(J
 
 static inline uintptr_t QueryShortChannelIds_clone_ptr(LDKQueryShortChannelIds *NONNULL_PTR arg) {
        LDKQueryShortChannelIds ret_var = QueryShortChannelIds_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33849,12 +33849,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_QueryShortChannelIds_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryShortChannelIds_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKQueryShortChannelIds arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = QueryShortChannelIds_clone_ptr(&arg_conv);
+       int64_t ret_val = QueryShortChannelIds_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -33864,7 +33864,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryShortChannelIds_1clone
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKQueryShortChannelIds ret_var = QueryShortChannelIds_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33926,7 +33926,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyShortChannelIdsEnd_1ne
        CHECK((*env)->GetArrayLength(env, chain_hash_arg) == 32);
        (*env)->GetByteArrayRegion(env, chain_hash_arg, 0, 32, chain_hash_arg_ref.data);
        LDKReplyShortChannelIdsEnd ret_var = ReplyShortChannelIdsEnd_new(chain_hash_arg_ref, full_information_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33939,7 +33939,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyShortChannelIdsEnd_1ne
 
 static inline uintptr_t ReplyShortChannelIdsEnd_clone_ptr(LDKReplyShortChannelIdsEnd *NONNULL_PTR arg) {
        LDKReplyShortChannelIdsEnd ret_var = ReplyShortChannelIdsEnd_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33949,12 +33949,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ReplyShortChannelIdsEnd_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyShortChannelIdsEnd_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKReplyShortChannelIdsEnd arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ReplyShortChannelIdsEnd_clone_ptr(&arg_conv);
+       int64_t ret_val = ReplyShortChannelIdsEnd_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -33964,7 +33964,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyShortChannelIdsEnd_1cl
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKReplyShortChannelIdsEnd ret_var = ReplyShortChannelIdsEnd_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34043,7 +34043,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_GossipTimestampFilter_1new(
        CHECK((*env)->GetArrayLength(env, chain_hash_arg) == 32);
        (*env)->GetByteArrayRegion(env, chain_hash_arg, 0, 32, chain_hash_arg_ref.data);
        LDKGossipTimestampFilter ret_var = GossipTimestampFilter_new(chain_hash_arg_ref, first_timestamp_arg, timestamp_range_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34056,7 +34056,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_GossipTimestampFilter_1new(
 
 static inline uintptr_t GossipTimestampFilter_clone_ptr(LDKGossipTimestampFilter *NONNULL_PTR arg) {
        LDKGossipTimestampFilter ret_var = GossipTimestampFilter_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34066,12 +34066,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_GossipTimestampFilter_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_GossipTimestampFilter_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKGossipTimestampFilter arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = GossipTimestampFilter_clone_ptr(&arg_conv);
+       int64_t ret_val = GossipTimestampFilter_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -34081,7 +34081,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_GossipTimestampFilter_1clon
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKGossipTimestampFilter ret_var = GossipTimestampFilter_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34104,12 +34104,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ErrorAction_1free(JNIEnv *env,
 static inline uintptr_t ErrorAction_clone_ptr(LDKErrorAction *NONNULL_PTR arg) {
        LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
        *ret_copy = ErrorAction_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKErrorAction* arg_conv = (LDKErrorAction*)arg;
-       intptr_t ret_val = ErrorAction_clone_ptr(arg_conv);
+       int64_t ret_val = ErrorAction_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -34117,7 +34117,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1clone(JNIEnv *
        LDKErrorAction* orig_conv = (LDKErrorAction*)orig;
        LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
        *ret_copy = ErrorAction_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -34129,14 +34129,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1disconnect_1pe
        msg_conv = ErrorMessage_clone(&msg_conv);
        LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
        *ret_copy = ErrorAction_disconnect_peer(msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1ignore_1error(JNIEnv *env, jclass clz) {
        LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
        *ret_copy = ErrorAction_ignore_error();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -34144,14 +34144,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1ignore_1and_1l
        LDKLevel a_conv = LDKLevel_from_java(env, a);
        LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
        *ret_copy = ErrorAction_ignore_and_log(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1ignore_1duplicate_1gossip(JNIEnv *env, jclass clz) {
        LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
        *ret_copy = ErrorAction_ignore_duplicate_gossip();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -34163,7 +34163,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1send_1error_1m
        msg_conv = ErrorMessage_clone(&msg_conv);
        LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
        *ret_copy = ErrorAction_send_error_message(msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -34176,7 +34176,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1send_1warning_
        LDKLevel log_level_conv = LDKLevel_from_java(env, log_level);
        LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
        *ret_copy = ErrorAction_send_warning_message(msg_conv, log_level_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -34215,7 +34215,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LightningError_1get_1action
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
        *ret_copy = LightningError_get_action(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -34238,7 +34238,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LightningError_1new(JNIEnv
        LDKErrorAction action_arg_conv = *(LDKErrorAction*)(action_arg_ptr);
        action_arg_conv = ErrorAction_clone((LDKErrorAction*)(((uintptr_t)action_arg) & ~1));
        LDKLightningError ret_var = LightningError_new(err_arg_conv, action_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34251,7 +34251,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LightningError_1new(JNIEnv
 
 static inline uintptr_t LightningError_clone_ptr(LDKLightningError *NONNULL_PTR arg) {
        LDKLightningError ret_var = LightningError_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34261,12 +34261,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_LightningError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LightningError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKLightningError arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = LightningError_clone_ptr(&arg_conv);
+       int64_t ret_val = LightningError_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -34276,7 +34276,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LightningError_1clone(JNIEn
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKLightningError ret_var = LightningError_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34306,7 +34306,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1get_
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t p = 0; p < ret_var.datalen; p++) {
                LDKUpdateAddHTLC ret_conv_15_var = ret_var.data[p];
-               uintptr_t ret_conv_15_ref = 0;
+               int64_t ret_conv_15_ref = 0;
                CHECK((((uintptr_t)ret_conv_15_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_15_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_15_var);
@@ -34357,7 +34357,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1get_
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t t = 0; t < ret_var.datalen; t++) {
                LDKUpdateFulfillHTLC ret_conv_19_var = ret_var.data[t];
-               uintptr_t ret_conv_19_ref = 0;
+               int64_t ret_conv_19_ref = 0;
                CHECK((((uintptr_t)ret_conv_19_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_19_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_19_var);
@@ -34408,7 +34408,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1get_
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t q = 0; q < ret_var.datalen; q++) {
                LDKUpdateFailHTLC ret_conv_16_var = ret_var.data[q];
-               uintptr_t ret_conv_16_ref = 0;
+               int64_t ret_conv_16_ref = 0;
                CHECK((((uintptr_t)ret_conv_16_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_16_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_16_var);
@@ -34459,7 +34459,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1get_
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t z = 0; z < ret_var.datalen; z++) {
                LDKUpdateFailMalformedHTLC ret_conv_25_var = ret_var.data[z];
-               uintptr_t ret_conv_25_ref = 0;
+               int64_t ret_conv_25_ref = 0;
                CHECK((((uintptr_t)ret_conv_25_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_25_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_25_var);
@@ -34505,7 +34505,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1get_1upda
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKUpdateFee ret_var = CommitmentUpdate_get_update_fee(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -34537,7 +34537,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1get_1comm
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCommitmentSigned ret_var = CommitmentUpdate_get_commitment_signed(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34641,7 +34641,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1new(JNIEn
        CHECK_INNER_FIELD_ACCESS_OR_NULL(commitment_signed_arg_conv);
        commitment_signed_arg_conv = CommitmentSigned_clone(&commitment_signed_arg_conv);
        LDKCommitmentUpdate ret_var = CommitmentUpdate_new(update_add_htlcs_arg_constr, update_fulfill_htlcs_arg_constr, update_fail_htlcs_arg_constr, update_fail_malformed_htlcs_arg_constr, update_fee_arg_conv, commitment_signed_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34654,7 +34654,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1new(JNIEn
 
 static inline uintptr_t CommitmentUpdate_clone_ptr(LDKCommitmentUpdate *NONNULL_PTR arg) {
        LDKCommitmentUpdate ret_var = CommitmentUpdate_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34664,12 +34664,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCommitmentUpdate arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = CommitmentUpdate_clone_ptr(&arg_conv);
+       int64_t ret_val = CommitmentUpdate_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -34679,7 +34679,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1clone(JNI
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKCommitmentUpdate ret_var = CommitmentUpdate_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34727,7 +34727,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AcceptChannel_1read(JNIEnv
        LDKCResult_AcceptChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AcceptChannelDecodeErrorZ), "LDKCResult_AcceptChannelDecodeErrorZ");
        *ret_conv = AcceptChannel_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_AnnouncementSignatures_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34749,7 +34749,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AnnouncementSignatures_1rea
        LDKCResult_AnnouncementSignaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AnnouncementSignaturesDecodeErrorZ), "LDKCResult_AnnouncementSignaturesDecodeErrorZ");
        *ret_conv = AnnouncementSignatures_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ChannelReestablish_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34771,7 +34771,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelReestablish_1read(JN
        LDKCResult_ChannelReestablishDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelReestablishDecodeErrorZ), "LDKCResult_ChannelReestablishDecodeErrorZ");
        *ret_conv = ChannelReestablish_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ClosingSigned_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34793,7 +34793,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSigned_1read(JNIEnv
        LDKCResult_ClosingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedDecodeErrorZ), "LDKCResult_ClosingSignedDecodeErrorZ");
        *ret_conv = ClosingSigned_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ClosingSignedFeeRange_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34815,7 +34815,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSignedFeeRange_1read
        LDKCResult_ClosingSignedFeeRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ), "LDKCResult_ClosingSignedFeeRangeDecodeErrorZ");
        *ret_conv = ClosingSignedFeeRange_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_CommitmentSigned_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34837,7 +34837,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentSigned_1read(JNIE
        LDKCResult_CommitmentSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentSignedDecodeErrorZ), "LDKCResult_CommitmentSignedDecodeErrorZ");
        *ret_conv = CommitmentSigned_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_FundingCreated_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34859,7 +34859,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingCreated_1read(JNIEnv
        LDKCResult_FundingCreatedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingCreatedDecodeErrorZ), "LDKCResult_FundingCreatedDecodeErrorZ");
        *ret_conv = FundingCreated_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_FundingSigned_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34881,7 +34881,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingSigned_1read(JNIEnv
        LDKCResult_FundingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingSignedDecodeErrorZ), "LDKCResult_FundingSignedDecodeErrorZ");
        *ret_conv = FundingSigned_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_FundingLocked_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34903,7 +34903,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingLocked_1read(JNIEnv
        LDKCResult_FundingLockedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingLockedDecodeErrorZ), "LDKCResult_FundingLockedDecodeErrorZ");
        *ret_conv = FundingLocked_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Init_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34925,7 +34925,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Init_1read(JNIEnv *env, jcl
        LDKCResult_InitDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InitDecodeErrorZ), "LDKCResult_InitDecodeErrorZ");
        *ret_conv = Init_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_OpenChannel_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34947,7 +34947,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_OpenChannel_1read(JNIEnv *e
        LDKCResult_OpenChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OpenChannelDecodeErrorZ), "LDKCResult_OpenChannelDecodeErrorZ");
        *ret_conv = OpenChannel_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_RevokeAndACK_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34969,7 +34969,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RevokeAndACK_1read(JNIEnv *
        LDKCResult_RevokeAndACKDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RevokeAndACKDecodeErrorZ), "LDKCResult_RevokeAndACKDecodeErrorZ");
        *ret_conv = RevokeAndACK_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Shutdown_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34991,7 +34991,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Shutdown_1read(JNIEnv *env,
        LDKCResult_ShutdownDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownDecodeErrorZ), "LDKCResult_ShutdownDecodeErrorZ");
        *ret_conv = Shutdown_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_UpdateFailHTLC_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35013,7 +35013,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFailHTLC_1read(JNIEnv
        LDKCResult_UpdateFailHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailHTLCDecodeErrorZ), "LDKCResult_UpdateFailHTLCDecodeErrorZ");
        *ret_conv = UpdateFailHTLC_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_UpdateFailMalformedHTLC_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35035,7 +35035,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFailMalformedHTLC_1re
        LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ), "LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ");
        *ret_conv = UpdateFailMalformedHTLC_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_UpdateFee_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35057,7 +35057,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFee_1read(JNIEnv *env
        LDKCResult_UpdateFeeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFeeDecodeErrorZ), "LDKCResult_UpdateFeeDecodeErrorZ");
        *ret_conv = UpdateFee_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_UpdateFulfillHTLC_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35079,7 +35079,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFulfillHTLC_1read(JNI
        LDKCResult_UpdateFulfillHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFulfillHTLCDecodeErrorZ), "LDKCResult_UpdateFulfillHTLCDecodeErrorZ");
        *ret_conv = UpdateFulfillHTLC_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_UpdateAddHTLC_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35101,7 +35101,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateAddHTLC_1read(JNIEnv
        LDKCResult_UpdateAddHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateAddHTLCDecodeErrorZ), "LDKCResult_UpdateAddHTLCDecodeErrorZ");
        *ret_conv = UpdateAddHTLC_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Ping_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35123,7 +35123,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Ping_1read(JNIEnv *env, jcl
        LDKCResult_PingDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PingDecodeErrorZ), "LDKCResult_PingDecodeErrorZ");
        *ret_conv = Ping_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Pong_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35145,7 +35145,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Pong_1read(JNIEnv *env, jcl
        LDKCResult_PongDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PongDecodeErrorZ), "LDKCResult_PongDecodeErrorZ");
        *ret_conv = Pong_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_UnsignedChannelAnnouncement_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35167,7 +35167,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedChannelAnnouncement
        LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ), "LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ");
        *ret_conv = UnsignedChannelAnnouncement_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ChannelAnnouncement_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35189,7 +35189,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelAnnouncement_1read(J
        LDKCResult_ChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelAnnouncementDecodeErrorZ), "LDKCResult_ChannelAnnouncementDecodeErrorZ");
        *ret_conv = ChannelAnnouncement_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_UnsignedChannelUpdate_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35211,7 +35211,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedChannelUpdate_1read
        LDKCResult_UnsignedChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelUpdateDecodeErrorZ), "LDKCResult_UnsignedChannelUpdateDecodeErrorZ");
        *ret_conv = UnsignedChannelUpdate_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ChannelUpdate_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35233,7 +35233,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdate_1read(JNIEnv
        LDKCResult_ChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateDecodeErrorZ), "LDKCResult_ChannelUpdateDecodeErrorZ");
        *ret_conv = ChannelUpdate_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ErrorMessage_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35255,7 +35255,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorMessage_1read(JNIEnv *
        LDKCResult_ErrorMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ErrorMessageDecodeErrorZ), "LDKCResult_ErrorMessageDecodeErrorZ");
        *ret_conv = ErrorMessage_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_WarningMessage_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35277,7 +35277,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WarningMessage_1read(JNIEnv
        LDKCResult_WarningMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_WarningMessageDecodeErrorZ), "LDKCResult_WarningMessageDecodeErrorZ");
        *ret_conv = WarningMessage_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_UnsignedNodeAnnouncement_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35299,7 +35299,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedNodeAnnouncement_1r
        LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ), "LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ");
        *ret_conv = UnsignedNodeAnnouncement_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_NodeAnnouncement_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35321,7 +35321,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncement_1read(JNIE
        LDKCResult_NodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementDecodeErrorZ), "LDKCResult_NodeAnnouncementDecodeErrorZ");
        *ret_conv = NodeAnnouncement_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryShortChannelIds_1read(JNIEnv *env, jclass clz, int8_tArray ser) {
@@ -35331,7 +35331,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryShortChannelIds_1read(
        LDKCResult_QueryShortChannelIdsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryShortChannelIdsDecodeErrorZ), "LDKCResult_QueryShortChannelIdsDecodeErrorZ");
        *ret_conv = QueryShortChannelIds_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_QueryShortChannelIds_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35365,7 +35365,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyShortChannelIdsEnd_1re
        LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ), "LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ");
        *ret_conv = ReplyShortChannelIdsEnd_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int32_t JNICALL Java_org_ldk_impl_bindings_QueryChannelRange_1end_1blocknum(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -35396,7 +35396,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryChannelRange_1read(JNI
        LDKCResult_QueryChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryChannelRangeDecodeErrorZ), "LDKCResult_QueryChannelRangeDecodeErrorZ");
        *ret_conv = QueryChannelRange_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyChannelRange_1read(JNIEnv *env, jclass clz, int8_tArray ser) {
@@ -35406,7 +35406,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyChannelRange_1read(JNI
        LDKCResult_ReplyChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyChannelRangeDecodeErrorZ), "LDKCResult_ReplyChannelRangeDecodeErrorZ");
        *ret_conv = ReplyChannelRange_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ReplyChannelRange_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35440,7 +35440,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_GossipTimestampFilter_1read
        LDKCResult_GossipTimestampFilterDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_GossipTimestampFilterDecodeErrorZ), "LDKCResult_GossipTimestampFilterDecodeErrorZ");
        *ret_conv = GossipTimestampFilter_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CustomMessageHandler_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -35462,7 +35462,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_IgnoringMessageHandler_1free(J
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_IgnoringMessageHandler_1new(JNIEnv *env, jclass clz) {
        LDKIgnoringMessageHandler ret_var = IgnoringMessageHandler_new();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -35480,7 +35480,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_IgnoringMessageHandler_1as_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKMessageSendEventsProvider* ret_ret = MALLOC(sizeof(LDKMessageSendEventsProvider), "LDKMessageSendEventsProvider");
        *ret_ret = IgnoringMessageHandler_as_MessageSendEventsProvider(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_IgnoringMessageHandler_1as_1RoutingMessageHandler(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -35490,7 +35490,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_IgnoringMessageHandler_1as_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKRoutingMessageHandler* ret_ret = MALLOC(sizeof(LDKRoutingMessageHandler), "LDKRoutingMessageHandler");
        *ret_ret = IgnoringMessageHandler_as_RoutingMessageHandler(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_IgnoringMessageHandler_1as_1CustomMessageReader(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -35500,7 +35500,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_IgnoringMessageHandler_1as_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKCustomMessageReader* ret_ret = MALLOC(sizeof(LDKCustomMessageReader), "LDKCustomMessageReader");
        *ret_ret = IgnoringMessageHandler_as_CustomMessageReader(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_IgnoringMessageHandler_1as_1CustomMessageHandler(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -35510,7 +35510,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_IgnoringMessageHandler_1as_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKCustomMessageHandler* ret_ret = MALLOC(sizeof(LDKCustomMessageHandler), "LDKCustomMessageHandler");
        *ret_ret = IgnoringMessageHandler_as_CustomMessageHandler(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ErroringMessageHandler_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -35523,7 +35523,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ErroringMessageHandler_1free(J
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErroringMessageHandler_1new(JNIEnv *env, jclass clz) {
        LDKErroringMessageHandler ret_var = ErroringMessageHandler_new();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -35541,7 +35541,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErroringMessageHandler_1as_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKMessageSendEventsProvider* ret_ret = MALLOC(sizeof(LDKMessageSendEventsProvider), "LDKMessageSendEventsProvider");
        *ret_ret = ErroringMessageHandler_as_MessageSendEventsProvider(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErroringMessageHandler_1as_1ChannelMessageHandler(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -35551,7 +35551,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErroringMessageHandler_1as_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKChannelMessageHandler* ret_ret = MALLOC(sizeof(LDKChannelMessageHandler), "LDKChannelMessageHandler");
        *ret_ret = ErroringMessageHandler_as_ChannelMessageHandler(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageHandler_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -35568,7 +35568,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageHandler_1get_1chan_1
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        // WARNING: This object doesn't live past this scope, needs clone!
-       uintptr_t ret_ret = ((uintptr_t)MessageHandler_get_chan_handler(&this_ptr_conv)) | 1;
+       int64_t ret_ret = ((uintptr_t)MessageHandler_get_chan_handler(&this_ptr_conv)) | 1;
        return ret_ret;
 }
 
@@ -35593,7 +35593,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageHandler_1get_1route_
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        // WARNING: This object doesn't live past this scope, needs clone!
-       uintptr_t ret_ret = ((uintptr_t)MessageHandler_get_route_handler(&this_ptr_conv)) | 1;
+       int64_t ret_ret = ((uintptr_t)MessageHandler_get_route_handler(&this_ptr_conv)) | 1;
        return ret_ret;
 }
 
@@ -35628,7 +35628,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageHandler_1new(JNIEnv
                LDKRoutingMessageHandler_JCalls_cloned(&route_handler_arg_conv);
        }
        LDKMessageHandler ret_var = MessageHandler_new(chan_handler_arg_conv, route_handler_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -35642,13 +35642,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageHandler_1new(JNIEnv
 static inline uintptr_t SocketDescriptor_clone_ptr(LDKSocketDescriptor *NONNULL_PTR arg) {
        LDKSocketDescriptor* ret_ret = MALLOC(sizeof(LDKSocketDescriptor), "LDKSocketDescriptor");
        *ret_ret = SocketDescriptor_clone(arg);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        void* arg_ptr = (void*)(((uintptr_t)arg) & ~1);
        if (!(arg & 1)) { CHECK_ACCESS(arg_ptr); }
        LDKSocketDescriptor* arg_conv = (LDKSocketDescriptor*)arg_ptr;
-       intptr_t ret_val = SocketDescriptor_clone_ptr(arg_conv);
+       int64_t ret_val = SocketDescriptor_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -35658,7 +35658,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1clone(JNI
        LDKSocketDescriptor* orig_conv = (LDKSocketDescriptor*)orig_ptr;
        LDKSocketDescriptor* ret_ret = MALLOC(sizeof(LDKSocketDescriptor), "LDKSocketDescriptor");
        *ret_ret = SocketDescriptor_clone(orig_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -35697,7 +35697,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PeerHandleError_1set_1no_1conn
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerHandleError_1new(JNIEnv *env, jclass clz, jboolean no_connection_possible_arg) {
        LDKPeerHandleError ret_var = PeerHandleError_new(no_connection_possible_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -35710,7 +35710,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerHandleError_1new(JNIEnv
 
 static inline uintptr_t PeerHandleError_clone_ptr(LDKPeerHandleError *NONNULL_PTR arg) {
        LDKPeerHandleError ret_var = PeerHandleError_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -35720,12 +35720,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_PeerHandleError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerHandleError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPeerHandleError arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = PeerHandleError_clone_ptr(&arg_conv);
+       int64_t ret_val = PeerHandleError_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -35735,7 +35735,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerHandleError_1clone(JNIE
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKPeerHandleError ret_var = PeerHandleError_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -35782,7 +35782,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new(JNIEnv *en
                LDKCustomMessageHandler_JCalls_cloned(&custom_message_handler_conv);
        }
        LDKPeerManager ret_var = PeerManager_new(message_handler_conv, our_node_secret_ref, ephemeral_random_data_ref, logger_conv, custom_message_handler_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -35829,7 +35829,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new_1outbound_
        }
        LDKCResult_CVec_u8ZPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_u8ZPeerHandleErrorZ), "LDKCResult_CVec_u8ZPeerHandleErrorZ");
        *ret_conv = PeerManager_new_outbound_connection(&this_arg_conv, their_node_id_ref, descriptor_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new_1inbound_1connection(JNIEnv *env, jclass clz, int64_t this_arg, int64_t descriptor) {
@@ -35846,7 +35846,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new_1inbound_1
        }
        LDKCResult_NonePeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePeerHandleErrorZ), "LDKCResult_NonePeerHandleErrorZ");
        *ret_conv = PeerManager_new_inbound_connection(&this_arg_conv, descriptor_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1write_1buffer_1space_1avail(JNIEnv *env, jclass clz, int64_t this_arg, int64_t descriptor) {
@@ -35859,7 +35859,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1write_1buffer_
        LDKSocketDescriptor* descriptor_conv = (LDKSocketDescriptor*)descriptor_ptr;
        LDKCResult_NonePeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePeerHandleErrorZ), "LDKCResult_NonePeerHandleErrorZ");
        *ret_conv = PeerManager_write_buffer_space_avail(&this_arg_conv, descriptor_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1read_1event(JNIEnv *env, jclass clz, int64_t this_arg, int64_t peer_descriptor, int8_tArray data) {
@@ -35876,7 +35876,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1read_1event(JN
        LDKCResult_boolPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolPeerHandleErrorZ), "LDKCResult_boolPeerHandleErrorZ");
        *ret_conv = PeerManager_read_event(&this_arg_conv, peer_descriptor_conv, data_ref);
        (*env)->ReleaseByteArrayElements(env, data, (int8_t*)data_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PeerManager_1process_1events(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -35976,7 +35976,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CounterpartyCommitmentSecrets_
 
 static inline uintptr_t CounterpartyCommitmentSecrets_clone_ptr(LDKCounterpartyCommitmentSecrets *NONNULL_PTR arg) {
        LDKCounterpartyCommitmentSecrets ret_var = CounterpartyCommitmentSecrets_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -35986,12 +35986,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CounterpartyCommitmentSecrets_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyCommitmentSecrets_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCounterpartyCommitmentSecrets arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = CounterpartyCommitmentSecrets_clone_ptr(&arg_conv);
+       int64_t ret_val = CounterpartyCommitmentSecrets_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -36001,7 +36001,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyCommitmentSecre
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKCounterpartyCommitmentSecrets ret_var = CounterpartyCommitmentSecrets_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36014,7 +36014,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyCommitmentSecre
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyCommitmentSecrets_1new(JNIEnv *env, jclass clz) {
        LDKCounterpartyCommitmentSecrets ret_var = CounterpartyCommitmentSecrets_new();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36044,7 +36044,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyCommitmentSecre
        (*env)->GetByteArrayRegion(env, secret, 0, 32, secret_ref.data);
        LDKCResult_NoneNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneNoneZ), "LDKCResult_NoneNoneZ");
        *ret_conv = CounterpartyCommitmentSecrets_provide_secret(&this_arg_conv, idx, secret_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_CounterpartyCommitmentSecrets_1get_1secret(JNIEnv *env, jclass clz, int64_t this_arg, int64_t idx) {
@@ -36076,7 +36076,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyCommitmentSecre
        LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ), "LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ");
        *ret_conv = CounterpartyCommitmentSecrets_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_derive_1private_1key(JNIEnv *env, jclass clz, int8_tArray per_commitment_point, int8_tArray base_secret) {
@@ -36089,7 +36089,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_derive_1private_1key(JNIEnv
        unsigned char (*base_secret_ref)[32] = &base_secret_arr;
        LDKCResult_SecretKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyErrorZ), "LDKCResult_SecretKeyErrorZ");
        *ret_conv = derive_private_key(per_commitment_point_ref, base_secret_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_derive_1public_1key(JNIEnv *env, jclass clz, int8_tArray per_commitment_point, int8_tArray base_point) {
@@ -36101,7 +36101,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_derive_1public_1key(JNIEnv
        (*env)->GetByteArrayRegion(env, base_point, 0, 33, base_point_ref.compressed_form);
        LDKCResult_PublicKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PublicKeyErrorZ), "LDKCResult_PublicKeyErrorZ");
        *ret_conv = derive_public_key(per_commitment_point_ref, base_point_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_derive_1private_1revocation_1key(JNIEnv *env, jclass clz, int8_tArray per_commitment_secret, int8_tArray countersignatory_revocation_base_secret) {
@@ -36115,7 +36115,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_derive_1private_1revocation
        unsigned char (*countersignatory_revocation_base_secret_ref)[32] = &countersignatory_revocation_base_secret_arr;
        LDKCResult_SecretKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyErrorZ), "LDKCResult_SecretKeyErrorZ");
        *ret_conv = derive_private_revocation_key(per_commitment_secret_ref, countersignatory_revocation_base_secret_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_derive_1public_1revocation_1key(JNIEnv *env, jclass clz, int8_tArray per_commitment_point, int8_tArray countersignatory_revocation_base_point) {
@@ -36127,7 +36127,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_derive_1public_1revocation_
        (*env)->GetByteArrayRegion(env, countersignatory_revocation_base_point, 0, 33, countersignatory_revocation_base_point_ref.compressed_form);
        LDKCResult_PublicKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PublicKeyErrorZ), "LDKCResult_PublicKeyErrorZ");
        *ret_conv = derive_public_revocation_key(per_commitment_point_ref, countersignatory_revocation_base_point_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -36260,7 +36260,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1new(JNIEnv
        CHECK((*env)->GetArrayLength(env, broadcaster_delayed_payment_key_arg) == 33);
        (*env)->GetByteArrayRegion(env, broadcaster_delayed_payment_key_arg, 0, 33, broadcaster_delayed_payment_key_arg_ref.compressed_form);
        LDKTxCreationKeys ret_var = TxCreationKeys_new(per_commitment_point_arg_ref, revocation_key_arg_ref, broadcaster_htlc_key_arg_ref, countersignatory_htlc_key_arg_ref, broadcaster_delayed_payment_key_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36273,7 +36273,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1new(JNIEnv
 
 static inline uintptr_t TxCreationKeys_clone_ptr(LDKTxCreationKeys *NONNULL_PTR arg) {
        LDKTxCreationKeys ret_var = TxCreationKeys_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36283,12 +36283,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKTxCreationKeys arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = TxCreationKeys_clone_ptr(&arg_conv);
+       int64_t ret_val = TxCreationKeys_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -36298,7 +36298,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1clone(JNIEn
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKTxCreationKeys ret_var = TxCreationKeys_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36328,7 +36328,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1read(JNIEnv
        LDKCResult_TxCreationKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysDecodeErrorZ), "LDKCResult_TxCreationKeysDecodeErrorZ");
        *ret_conv = TxCreationKeys_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelPublicKeys_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -36461,7 +36461,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelPublicKeys_1new(JNIE
        CHECK((*env)->GetArrayLength(env, htlc_basepoint_arg) == 33);
        (*env)->GetByteArrayRegion(env, htlc_basepoint_arg, 0, 33, htlc_basepoint_arg_ref.compressed_form);
        LDKChannelPublicKeys ret_var = ChannelPublicKeys_new(funding_pubkey_arg_ref, revocation_basepoint_arg_ref, payment_point_arg_ref, delayed_payment_basepoint_arg_ref, htlc_basepoint_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36474,7 +36474,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelPublicKeys_1new(JNIE
 
 static inline uintptr_t ChannelPublicKeys_clone_ptr(LDKChannelPublicKeys *NONNULL_PTR arg) {
        LDKChannelPublicKeys ret_var = ChannelPublicKeys_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36484,12 +36484,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelPublicKeys_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelPublicKeys_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelPublicKeys arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelPublicKeys_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelPublicKeys_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -36499,7 +36499,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelPublicKeys_1clone(JN
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelPublicKeys ret_var = ChannelPublicKeys_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36529,7 +36529,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelPublicKeys_1read(JNI
        LDKCResult_ChannelPublicKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelPublicKeysDecodeErrorZ), "LDKCResult_ChannelPublicKeysDecodeErrorZ");
        *ret_conv = ChannelPublicKeys_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1derive_1new(JNIEnv *env, jclass clz, int8_tArray per_commitment_point, int8_tArray broadcaster_delayed_payment_base, int8_tArray broadcaster_htlc_base, int8_tArray countersignatory_revocation_base, int8_tArray countersignatory_htlc_base) {
@@ -36550,7 +36550,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1derive_1new
        (*env)->GetByteArrayRegion(env, countersignatory_htlc_base, 0, 33, countersignatory_htlc_base_ref.compressed_form);
        LDKCResult_TxCreationKeysErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysErrorZ), "LDKCResult_TxCreationKeysErrorZ");
        *ret_conv = TxCreationKeys_derive_new(per_commitment_point_ref, broadcaster_delayed_payment_base_ref, broadcaster_htlc_base_ref, countersignatory_revocation_base_ref, countersignatory_htlc_base_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1from_1channel_1static_1keys(JNIEnv *env, jclass clz, int8_tArray per_commitment_point, int64_t broadcaster_keys, int64_t countersignatory_keys) {
@@ -36567,7 +36567,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1from_1chann
        CHECK_INNER_FIELD_ACCESS_OR_NULL(countersignatory_keys_conv);
        LDKCResult_TxCreationKeysErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysErrorZ), "LDKCResult_TxCreationKeysErrorZ");
        *ret_conv = TxCreationKeys_from_channel_static_keys(per_commitment_point_ref, &broadcaster_keys_conv, &countersignatory_keys_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_get_1revokeable_1redeemscript(JNIEnv *env, jclass clz, int8_tArray revocation_key, int16_t contest_delay, int8_tArray broadcaster_delayed_payment_key) {
@@ -36671,7 +36671,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCOutputInCommitment_1get
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u32Z *ret_copy = MALLOC(sizeof(LDKCOption_u32Z), "LDKCOption_u32Z");
        *ret_copy = HTLCOutputInCommitment_get_transaction_output_index(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -36696,7 +36696,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCOutputInCommitment_1new
        LDKCOption_u32Z transaction_output_index_arg_conv = *(LDKCOption_u32Z*)(transaction_output_index_arg_ptr);
        transaction_output_index_arg_conv = COption_u32Z_clone((LDKCOption_u32Z*)(((uintptr_t)transaction_output_index_arg) & ~1));
        LDKHTLCOutputInCommitment ret_var = HTLCOutputInCommitment_new(offered_arg, amount_msat_arg, cltv_expiry_arg, payment_hash_arg_ref, transaction_output_index_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36709,7 +36709,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCOutputInCommitment_1new
 
 static inline uintptr_t HTLCOutputInCommitment_clone_ptr(LDKHTLCOutputInCommitment *NONNULL_PTR arg) {
        LDKHTLCOutputInCommitment ret_var = HTLCOutputInCommitment_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36719,12 +36719,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_HTLCOutputInCommitment_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCOutputInCommitment_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKHTLCOutputInCommitment arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = HTLCOutputInCommitment_clone_ptr(&arg_conv);
+       int64_t ret_val = HTLCOutputInCommitment_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -36734,7 +36734,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCOutputInCommitment_1clo
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKHTLCOutputInCommitment ret_var = HTLCOutputInCommitment_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36764,7 +36764,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCOutputInCommitment_1rea
        LDKCResult_HTLCOutputInCommitmentDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ), "LDKCResult_HTLCOutputInCommitmentDecodeErrorZ");
        *ret_conv = HTLCOutputInCommitment_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_get_1htlc_1redeemscript(JNIEnv *env, jclass clz, int64_t htlc, jboolean opt_anchors, int64_t keys) {
@@ -36844,7 +36844,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameter
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelPublicKeys ret_var = ChannelTransactionParameters_get_holder_pubkeys(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36908,7 +36908,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameter
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCounterpartyChannelTransactionParameters ret_var = ChannelTransactionParameters_get_counterparty_parameters(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -36940,7 +36940,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameter
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKOutPoint ret_var = ChannelTransactionParameters_get_funding_outpoint(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -37002,7 +37002,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameter
        funding_outpoint_arg_conv = OutPoint_clone(&funding_outpoint_arg_conv);
        LDKCOption_NoneZ opt_anchors_arg_conv = LDKCOption_NoneZ_from_java(env, opt_anchors_arg);
        LDKChannelTransactionParameters ret_var = ChannelTransactionParameters_new(holder_pubkeys_arg_conv, holder_selected_contest_delay_arg, is_outbound_from_holder_arg, counterparty_parameters_arg_conv, funding_outpoint_arg_conv, opt_anchors_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37015,7 +37015,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameter
 
 static inline uintptr_t ChannelTransactionParameters_clone_ptr(LDKChannelTransactionParameters *NONNULL_PTR arg) {
        LDKChannelTransactionParameters ret_var = ChannelTransactionParameters_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37025,12 +37025,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelTransactionParameters arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelTransactionParameters_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelTransactionParameters_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -37040,7 +37040,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameter
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelTransactionParameters ret_var = ChannelTransactionParameters_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37065,7 +37065,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyChannelTransact
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelPublicKeys ret_var = CounterpartyChannelTransactionParameters_get_pubkeys(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37113,7 +37113,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyChannelTransact
        CHECK_INNER_FIELD_ACCESS_OR_NULL(pubkeys_arg_conv);
        pubkeys_arg_conv = ChannelPublicKeys_clone(&pubkeys_arg_conv);
        LDKCounterpartyChannelTransactionParameters ret_var = CounterpartyChannelTransactionParameters_new(pubkeys_arg_conv, selected_contest_delay_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37126,7 +37126,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyChannelTransact
 
 static inline uintptr_t CounterpartyChannelTransactionParameters_clone_ptr(LDKCounterpartyChannelTransactionParameters *NONNULL_PTR arg) {
        LDKCounterpartyChannelTransactionParameters ret_var = CounterpartyChannelTransactionParameters_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37136,12 +37136,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CounterpartyChannelTransactionParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyChannelTransactionParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCounterpartyChannelTransactionParameters arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = CounterpartyChannelTransactionParameters_clone_ptr(&arg_conv);
+       int64_t ret_val = CounterpartyChannelTransactionParameters_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -37151,7 +37151,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyChannelTransact
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKCounterpartyChannelTransactionParameters ret_var = CounterpartyChannelTransactionParameters_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37177,7 +37177,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameter
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKDirectedChannelTransactionParameters ret_var = ChannelTransactionParameters_as_holder_broadcastable(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37194,7 +37194,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameter
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKDirectedChannelTransactionParameters ret_var = ChannelTransactionParameters_as_counterparty_broadcastable(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37224,7 +37224,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyChannelTransact
        LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ), "LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ");
        *ret_conv = CounterpartyChannelTransactionParameters_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameters_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -37246,7 +37246,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameter
        LDKCResult_ChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelTransactionParametersDecodeErrorZ), "LDKCResult_ChannelTransactionParametersDecodeErrorZ");
        *ret_conv = ChannelTransactionParameters_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DirectedChannelTransactionParameters_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -37263,7 +37263,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DirectedChannelTransactionP
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKChannelPublicKeys ret_var = DirectedChannelTransactionParameters_broadcaster_pubkeys(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37280,7 +37280,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DirectedChannelTransactionP
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKChannelPublicKeys ret_var = DirectedChannelTransactionParameters_countersignatory_pubkeys(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37315,7 +37315,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DirectedChannelTransactionP
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKOutPoint ret_var = DirectedChannelTransactionParameters_funding_outpoint(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37387,7 +37387,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_HolderCommitmentTransaction_1s
 
 static inline uintptr_t HolderCommitmentTransaction_clone_ptr(LDKHolderCommitmentTransaction *NONNULL_PTR arg) {
        LDKHolderCommitmentTransaction ret_var = HolderCommitmentTransaction_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37397,12 +37397,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_HolderCommitmentTransaction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HolderCommitmentTransaction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKHolderCommitmentTransaction arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = HolderCommitmentTransaction_clone_ptr(&arg_conv);
+       int64_t ret_val = HolderCommitmentTransaction_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -37412,7 +37412,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HolderCommitmentTransaction
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKHolderCommitmentTransaction ret_var = HolderCommitmentTransaction_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37442,7 +37442,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HolderCommitmentTransaction
        LDKCResult_HolderCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HolderCommitmentTransactionDecodeErrorZ), "LDKCResult_HolderCommitmentTransactionDecodeErrorZ");
        *ret_conv = HolderCommitmentTransaction_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HolderCommitmentTransaction_1new(JNIEnv *env, jclass clz, int64_t commitment_tx, int8_tArray counterparty_sig, jobjectArray counterparty_htlc_sigs, int8_tArray holder_funding_key, int8_tArray counterparty_funding_key) {
@@ -37474,7 +37474,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HolderCommitmentTransaction
        CHECK((*env)->GetArrayLength(env, counterparty_funding_key) == 33);
        (*env)->GetByteArrayRegion(env, counterparty_funding_key, 0, 33, counterparty_funding_key_ref.compressed_form);
        LDKHolderCommitmentTransaction ret_var = HolderCommitmentTransaction_new(commitment_tx_conv, counterparty_sig_ref, counterparty_htlc_sigs_constr, holder_funding_key_ref, counterparty_funding_key_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37549,7 +37549,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BuiltCommitmentTransaction_
        CHECK((*env)->GetArrayLength(env, txid_arg) == 32);
        (*env)->GetByteArrayRegion(env, txid_arg, 0, 32, txid_arg_ref.data);
        LDKBuiltCommitmentTransaction ret_var = BuiltCommitmentTransaction_new(transaction_arg_ref, txid_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37562,7 +37562,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BuiltCommitmentTransaction_
 
 static inline uintptr_t BuiltCommitmentTransaction_clone_ptr(LDKBuiltCommitmentTransaction *NONNULL_PTR arg) {
        LDKBuiltCommitmentTransaction ret_var = BuiltCommitmentTransaction_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37572,12 +37572,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_BuiltCommitmentTransaction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BuiltCommitmentTransaction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKBuiltCommitmentTransaction arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = BuiltCommitmentTransaction_clone_ptr(&arg_conv);
+       int64_t ret_val = BuiltCommitmentTransaction_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -37587,7 +37587,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BuiltCommitmentTransaction_
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKBuiltCommitmentTransaction ret_var = BuiltCommitmentTransaction_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37617,7 +37617,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BuiltCommitmentTransaction_
        LDKCResult_BuiltCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ), "LDKCResult_BuiltCommitmentTransactionDecodeErrorZ");
        *ret_conv = BuiltCommitmentTransaction_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_BuiltCommitmentTransaction_1get_1sighash_1all(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray funding_redeemscript, int64_t channel_value_satoshis) {
@@ -37662,7 +37662,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1free(JNIEn
 
 static inline uintptr_t ClosingTransaction_clone_ptr(LDKClosingTransaction *NONNULL_PTR arg) {
        LDKClosingTransaction ret_var = ClosingTransaction_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37672,12 +37672,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKClosingTransaction arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ClosingTransaction_clone_ptr(&arg_conv);
+       int64_t ret_val = ClosingTransaction_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -37687,7 +37687,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1clone(J
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKClosingTransaction ret_var = ClosingTransaction_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37722,7 +37722,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1new(JNI
        CHECK_INNER_FIELD_ACCESS_OR_NULL(funding_outpoint_conv);
        funding_outpoint_conv = OutPoint_clone(&funding_outpoint_conv);
        LDKClosingTransaction ret_var = ClosingTransaction_new(to_holder_value_sat, to_counterparty_value_sat, to_holder_script_ref, to_counterparty_script_ref, funding_outpoint_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37739,7 +37739,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1trust(J
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKTrustedClosingTransaction ret_var = ClosingTransaction_trust(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37762,7 +37762,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1verify(
        funding_outpoint_conv = OutPoint_clone(&funding_outpoint_conv);
        LDKCResult_TrustedClosingTransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TrustedClosingTransactionNoneZ), "LDKCResult_TrustedClosingTransactionNoneZ");
        *ret_conv = ClosingTransaction_verify(&this_arg_conv, funding_outpoint_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1to_1holder_1value_1sat(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -37867,7 +37867,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CommitmentTransaction_1free(JN
 
 static inline uintptr_t CommitmentTransaction_clone_ptr(LDKCommitmentTransaction *NONNULL_PTR arg) {
        LDKCommitmentTransaction ret_var = CommitmentTransaction_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37877,12 +37877,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CommitmentTransaction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentTransaction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCommitmentTransaction arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = CommitmentTransaction_clone_ptr(&arg_conv);
+       int64_t ret_val = CommitmentTransaction_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -37892,7 +37892,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentTransaction_1clon
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKCommitmentTransaction ret_var = CommitmentTransaction_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37922,7 +37922,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentTransaction_1read
        LDKCResult_CommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentTransactionDecodeErrorZ), "LDKCResult_CommitmentTransactionDecodeErrorZ");
        *ret_conv = CommitmentTransaction_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentTransaction_1commitment_1number(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -37967,7 +37967,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentTransaction_1trus
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKTrustedCommitmentTransaction ret_var = CommitmentTransaction_trust(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37997,7 +37997,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentTransaction_1veri
        CHECK_INNER_FIELD_ACCESS_OR_NULL(countersignatory_keys_conv);
        LDKCResult_TrustedCommitmentTransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TrustedCommitmentTransactionNoneZ), "LDKCResult_TrustedCommitmentTransactionNoneZ");
        *ret_conv = CommitmentTransaction_verify(&this_arg_conv, &channel_parameters_conv, &broadcaster_keys_conv, &countersignatory_keys_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_TrustedCommitmentTransaction_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -38024,7 +38024,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TrustedCommitmentTransactio
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKBuiltCommitmentTransaction ret_var = TrustedCommitmentTransaction_built_transaction(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38041,7 +38041,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TrustedCommitmentTransactio
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKTxCreationKeys ret_var = TrustedCommitmentTransaction_keys(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38076,7 +38076,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TrustedCommitmentTransactio
        CHECK_INNER_FIELD_ACCESS_OR_NULL(channel_parameters_conv);
        LDKCResult_CVec_SignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_SignatureZNoneZ), "LDKCResult_CVec_SignatureZNoneZ");
        *ret_conv = TrustedCommitmentTransaction_get_htlc_sigs(&this_arg_conv, htlc_base_key_ref, &channel_parameters_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_get_1commitment_1transaction_1number_1obscure_1factor(JNIEnv *env, jclass clz, int8_tArray broadcaster_payment_basepoint, int8_tArray countersignatory_payment_basepoint, jboolean outbound_from_broadcaster) {
@@ -38157,7 +38157,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1eq(JN
 
 static inline uintptr_t InitFeatures_clone_ptr(LDKInitFeatures *NONNULL_PTR arg) {
        LDKInitFeatures ret_var = InitFeatures_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38167,12 +38167,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_InitFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InitFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKInitFeatures arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = InitFeatures_clone_ptr(&arg_conv);
+       int64_t ret_val = InitFeatures_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -38182,7 +38182,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InitFeatures_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKInitFeatures ret_var = InitFeatures_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38195,7 +38195,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InitFeatures_1clone(JNIEnv
 
 static inline uintptr_t NodeFeatures_clone_ptr(LDKNodeFeatures *NONNULL_PTR arg) {
        LDKNodeFeatures ret_var = NodeFeatures_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38205,12 +38205,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKNodeFeatures arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = NodeFeatures_clone_ptr(&arg_conv);
+       int64_t ret_val = NodeFeatures_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -38220,7 +38220,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKNodeFeatures ret_var = NodeFeatures_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38233,7 +38233,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1clone(JNIEnv
 
 static inline uintptr_t ChannelFeatures_clone_ptr(LDKChannelFeatures *NONNULL_PTR arg) {
        LDKChannelFeatures ret_var = ChannelFeatures_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38243,12 +38243,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelFeatures arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelFeatures_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelFeatures_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -38258,7 +38258,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1clone(JNIE
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelFeatures ret_var = ChannelFeatures_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38271,7 +38271,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1clone(JNIE
 
 static inline uintptr_t InvoiceFeatures_clone_ptr(LDKInvoiceFeatures *NONNULL_PTR arg) {
        LDKInvoiceFeatures ret_var = InvoiceFeatures_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38281,12 +38281,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKInvoiceFeatures arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = InvoiceFeatures_clone_ptr(&arg_conv);
+       int64_t ret_val = InvoiceFeatures_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -38296,7 +38296,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1clone(JNIE
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKInvoiceFeatures ret_var = InvoiceFeatures_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38309,7 +38309,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1clone(JNIE
 
 static inline uintptr_t ChannelTypeFeatures_clone_ptr(LDKChannelTypeFeatures *NONNULL_PTR arg) {
        LDKChannelTypeFeatures ret_var = ChannelTypeFeatures_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38319,12 +38319,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelTypeFeatures arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelTypeFeatures_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelTypeFeatures_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -38334,7 +38334,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1clone(
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelTypeFeatures ret_var = ChannelTypeFeatures_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38387,7 +38387,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1free(JNIE
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InitFeatures_1empty(JNIEnv *env, jclass clz) {
        LDKInitFeatures ret_var = InitFeatures_empty();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38400,7 +38400,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InitFeatures_1empty(JNIEnv
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InitFeatures_1known(JNIEnv *env, jclass clz) {
        LDKInitFeatures ret_var = InitFeatures_known();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38422,7 +38422,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_InitFeatures_1requires_1un
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1empty(JNIEnv *env, jclass clz) {
        LDKNodeFeatures ret_var = NodeFeatures_empty();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38435,7 +38435,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1empty(JNIEnv
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1known(JNIEnv *env, jclass clz) {
        LDKNodeFeatures ret_var = NodeFeatures_known();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38457,7 +38457,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1requires_1un
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1empty(JNIEnv *env, jclass clz) {
        LDKChannelFeatures ret_var = ChannelFeatures_empty();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38470,7 +38470,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1empty(JNIE
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1known(JNIEnv *env, jclass clz) {
        LDKChannelFeatures ret_var = ChannelFeatures_known();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38492,7 +38492,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1requires_
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1empty(JNIEnv *env, jclass clz) {
        LDKInvoiceFeatures ret_var = InvoiceFeatures_empty();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38505,7 +38505,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1empty(JNIE
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1known(JNIEnv *env, jclass clz) {
        LDKInvoiceFeatures ret_var = InvoiceFeatures_known();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38527,7 +38527,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1requires_
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1empty(JNIEnv *env, jclass clz) {
        LDKChannelTypeFeatures ret_var = ChannelTypeFeatures_empty();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38540,7 +38540,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1empty(
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1known(JNIEnv *env, jclass clz) {
        LDKChannelTypeFeatures ret_var = ChannelTypeFeatures_known();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38579,7 +38579,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InitFeatures_1read(JNIEnv *
        LDKCResult_InitFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InitFeaturesDecodeErrorZ), "LDKCResult_InitFeaturesDecodeErrorZ");
        *ret_conv = InitFeatures_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -38601,7 +38601,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1read(JNIEn
        LDKCResult_ChannelFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelFeaturesDecodeErrorZ), "LDKCResult_ChannelFeaturesDecodeErrorZ");
        *ret_conv = ChannelFeatures_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -38623,7 +38623,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1read(JNIEnv *
        LDKCResult_NodeFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeFeaturesDecodeErrorZ), "LDKCResult_NodeFeaturesDecodeErrorZ");
        *ret_conv = NodeFeatures_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -38645,7 +38645,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1read(JNIEn
        LDKCResult_InvoiceFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceFeaturesDecodeErrorZ), "LDKCResult_InvoiceFeaturesDecodeErrorZ");
        *ret_conv = InvoiceFeatures_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -38667,7 +38667,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1read(J
        LDKCResult_ChannelTypeFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelTypeFeaturesDecodeErrorZ), "LDKCResult_ChannelTypeFeaturesDecodeErrorZ");
        *ret_conv = ChannelTypeFeatures_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -38680,7 +38680,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1free(JNIEnv *e
 
 static inline uintptr_t ShutdownScript_clone_ptr(LDKShutdownScript *NONNULL_PTR arg) {
        LDKShutdownScript ret_var = ShutdownScript_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38690,12 +38690,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKShutdownScript arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ShutdownScript_clone_ptr(&arg_conv);
+       int64_t ret_val = ShutdownScript_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -38705,7 +38705,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1clone(JNIEn
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKShutdownScript ret_var = ShutdownScript_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38753,7 +38753,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvalidShutdownScript_1new(
        script_arg_ref.data = MALLOC(script_arg_ref.datalen, "LDKCVec_u8Z Bytes");
        (*env)->GetByteArrayRegion(env, script_arg, 0, script_arg_ref.datalen, script_arg_ref.data);
        LDKInvalidShutdownScript ret_var = InvalidShutdownScript_new(script_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38766,7 +38766,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvalidShutdownScript_1new(
 
 static inline uintptr_t InvalidShutdownScript_clone_ptr(LDKInvalidShutdownScript *NONNULL_PTR arg) {
        LDKInvalidShutdownScript ret_var = InvalidShutdownScript_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38776,12 +38776,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_InvalidShutdownScript_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvalidShutdownScript_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKInvalidShutdownScript arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = InvalidShutdownScript_clone_ptr(&arg_conv);
+       int64_t ret_val = InvalidShutdownScript_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -38791,7 +38791,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvalidShutdownScript_1clon
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKInvalidShutdownScript ret_var = InvalidShutdownScript_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38821,7 +38821,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1read(JNIEnv
        LDKCResult_ShutdownScriptDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptDecodeErrorZ), "LDKCResult_ShutdownScriptDecodeErrorZ");
        *ret_conv = ShutdownScript_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1new_1p2wpkh(JNIEnv *env, jclass clz, int8_tArray pubkey_hash) {
@@ -38830,7 +38830,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1new_1p2wpkh
        (*env)->GetByteArrayRegion(env, pubkey_hash, 0, 20, pubkey_hash_arr);
        unsigned char (*pubkey_hash_ref)[20] = &pubkey_hash_arr;
        LDKShutdownScript ret_var = ShutdownScript_new_p2wpkh(pubkey_hash_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38847,7 +38847,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1new_1p2wsh(
        (*env)->GetByteArrayRegion(env, script_hash, 0, 32, script_hash_arr);
        unsigned char (*script_hash_ref)[32] = &script_hash_arr;
        LDKShutdownScript ret_var = ShutdownScript_new_p2wsh(script_hash_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38865,7 +38865,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1new_1witnes
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptInvalidShutdownScriptZ), "LDKCResult_ShutdownScriptInvalidShutdownScriptZ");
        *ret_conv = ShutdownScript_new_witness_program(version, program_ref);
        (*env)->ReleaseByteArrayElements(env, program, (int8_t*)program_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1into_1inner(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -38916,13 +38916,13 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CustomMessageReader_1free(JNIE
 static inline uintptr_t Type_clone_ptr(LDKType *NONNULL_PTR arg) {
        LDKType* ret_ret = MALLOC(sizeof(LDKType), "LDKType");
        *ret_ret = Type_clone(arg);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Type_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Type_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        void* arg_ptr = (void*)(((uintptr_t)arg) & ~1);
        if (!(arg & 1)) { CHECK_ACCESS(arg_ptr); }
        LDKType* arg_conv = (LDKType*)arg_ptr;
-       intptr_t ret_val = Type_clone_ptr(arg_conv);
+       int64_t ret_val = Type_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -38932,7 +38932,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Type_1clone(JNIEnv *env, jc
        LDKType* orig_conv = (LDKType*)orig_ptr;
        LDKType* ret_ret = MALLOC(sizeof(LDKType), "LDKType");
        *ret_ret = Type_clone(orig_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Type_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -38954,7 +38954,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NodeId_1free(JNIEnv *env, jcla
 
 static inline uintptr_t NodeId_clone_ptr(LDKNodeId *NONNULL_PTR arg) {
        LDKNodeId ret_var = NodeId_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38964,12 +38964,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_NodeId_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeId_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKNodeId arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = NodeId_clone_ptr(&arg_conv);
+       int64_t ret_val = NodeId_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -38979,7 +38979,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeId_1clone(JNIEnv *env,
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKNodeId ret_var = NodeId_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38995,7 +38995,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeId_1from_1pubkey(JNIEnv
        CHECK((*env)->GetArrayLength(env, pubkey) == 33);
        (*env)->GetByteArrayRegion(env, pubkey, 0, 33, pubkey_ref.compressed_form);
        LDKNodeId ret_var = NodeId_from_pubkey(pubkey_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39045,7 +39045,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeId_1read(JNIEnv *env, j
        LDKCResult_NodeIdDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeIdDecodeErrorZ), "LDKCResult_NodeIdDecodeErrorZ");
        *ret_conv = NodeId_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -39058,7 +39058,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1free(JNIEnv *env
 
 static inline uintptr_t NetworkGraph_clone_ptr(LDKNetworkGraph *NONNULL_PTR arg) {
        LDKNetworkGraph ret_var = NetworkGraph_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39068,12 +39068,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKNetworkGraph arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = NetworkGraph_clone_ptr(&arg_conv);
+       int64_t ret_val = NetworkGraph_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -39083,7 +39083,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKNetworkGraph ret_var = NetworkGraph_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39114,12 +39114,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetworkUpdate_1free(JNIEnv *en
 static inline uintptr_t NetworkUpdate_clone_ptr(LDKNetworkUpdate *NONNULL_PTR arg) {
        LDKNetworkUpdate *ret_copy = MALLOC(sizeof(LDKNetworkUpdate), "LDKNetworkUpdate");
        *ret_copy = NetworkUpdate_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_NetworkUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKNetworkUpdate* arg_conv = (LDKNetworkUpdate*)arg;
-       intptr_t ret_val = NetworkUpdate_clone_ptr(arg_conv);
+       int64_t ret_val = NetworkUpdate_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -39127,7 +39127,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkUpdate_1clone(JNIEnv
        LDKNetworkUpdate* orig_conv = (LDKNetworkUpdate*)orig;
        LDKNetworkUpdate *ret_copy = MALLOC(sizeof(LDKNetworkUpdate), "LDKNetworkUpdate");
        *ret_copy = NetworkUpdate_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -39139,14 +39139,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkUpdate_1channel_1upd
        msg_conv = ChannelUpdate_clone(&msg_conv);
        LDKNetworkUpdate *ret_copy = MALLOC(sizeof(LDKNetworkUpdate), "LDKNetworkUpdate");
        *ret_copy = NetworkUpdate_channel_update_message(msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkUpdate_1channel_1closed(JNIEnv *env, jclass clz, int64_t short_channel_id, jboolean is_permanent) {
        LDKNetworkUpdate *ret_copy = MALLOC(sizeof(LDKNetworkUpdate), "LDKNetworkUpdate");
        *ret_copy = NetworkUpdate_channel_closed(short_channel_id, is_permanent);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -39156,7 +39156,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkUpdate_1node_1failur
        (*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
        LDKNetworkUpdate *ret_copy = MALLOC(sizeof(LDKNetworkUpdate), "LDKNetworkUpdate");
        *ret_copy = NetworkUpdate_node_failure(node_id_ref, is_permanent);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -39176,7 +39176,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkUpdate_1read(JNIEnv
        LDKCResult_COption_NetworkUpdateZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_NetworkUpdateZDecodeErrorZ), "LDKCResult_COption_NetworkUpdateZDecodeErrorZ");
        *ret_conv = NetworkUpdate_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1as_1EventHandler(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -39186,7 +39186,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1as_1Eve
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKEventHandler* ret_ret = MALLOC(sizeof(LDKEventHandler), "LDKEventHandler");
        *ret_ret = NetGraphMsgHandler_as_EventHandler(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -39221,7 +39221,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1new(JNI
                LDKLogger_JCalls_cloned(&logger_conv);
        }
        LDKNetGraphMsgHandler ret_var = NetGraphMsgHandler_new(&network_graph_conv, chain_access_conv, logger_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39258,7 +39258,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1as_1Rou
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKRoutingMessageHandler* ret_ret = MALLOC(sizeof(LDKRoutingMessageHandler), "LDKRoutingMessageHandler");
        *ret_ret = NetGraphMsgHandler_as_RoutingMessageHandler(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1as_1MessageSendEventsProvider(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -39268,7 +39268,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1as_1Mes
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKMessageSendEventsProvider* ret_ret = MALLOC(sizeof(LDKMessageSendEventsProvider), "LDKMessageSendEventsProvider");
        *ret_ret = NetGraphMsgHandler_as_MessageSendEventsProvider(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -39354,7 +39354,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1get_1htl
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = ChannelUpdateInfo_get_htlc_maximum_msat(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -39376,7 +39376,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1get_1fee
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKRoutingFees ret_var = ChannelUpdateInfo_get_fees(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39406,7 +39406,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1get_1las
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelUpdate ret_var = ChannelUpdateInfo_get_last_update_message(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -39448,7 +39448,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1new(JNIE
        CHECK_INNER_FIELD_ACCESS_OR_NULL(last_update_message_arg_conv);
        last_update_message_arg_conv = ChannelUpdate_clone(&last_update_message_arg_conv);
        LDKChannelUpdateInfo ret_var = ChannelUpdateInfo_new(last_update_arg, enabled_arg, cltv_expiry_delta_arg, htlc_minimum_msat_arg, htlc_maximum_msat_arg_conv, fees_arg_conv, last_update_message_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39461,7 +39461,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1new(JNIE
 
 static inline uintptr_t ChannelUpdateInfo_clone_ptr(LDKChannelUpdateInfo *NONNULL_PTR arg) {
        LDKChannelUpdateInfo ret_var = ChannelUpdateInfo_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39471,12 +39471,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelUpdateInfo arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelUpdateInfo_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelUpdateInfo_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -39486,7 +39486,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1clone(JN
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelUpdateInfo ret_var = ChannelUpdateInfo_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39516,7 +39516,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1read(JNI
        LDKCResult_ChannelUpdateInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateInfoDecodeErrorZ), "LDKCResult_ChannelUpdateInfoDecodeErrorZ");
        *ret_conv = ChannelUpdateInfo_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -39533,7 +39533,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1get_1features(
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelFeatures ret_var = ChannelInfo_get_features(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39563,7 +39563,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1get_1node_1one
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKNodeId ret_var = ChannelInfo_get_node_one(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39593,7 +39593,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1get_1one_1to_1
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelUpdateInfo ret_var = ChannelInfo_get_one_to_two(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -39625,7 +39625,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1get_1node_1two
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKNodeId ret_var = ChannelInfo_get_node_two(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39655,7 +39655,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1get_1two_1to_1
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelUpdateInfo ret_var = ChannelInfo_get_two_to_one(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -39688,7 +39688,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1get_1capacity_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = ChannelInfo_get_capacity_sats(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -39710,7 +39710,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1get_1announcem
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelAnnouncement ret_var = ChannelInfo_get_announcement_message(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -39738,7 +39738,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1set_1announcement
 
 static inline uintptr_t ChannelInfo_clone_ptr(LDKChannelInfo *NONNULL_PTR arg) {
        LDKChannelInfo ret_var = ChannelInfo_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39748,12 +39748,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelInfo arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelInfo_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelInfo_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -39763,7 +39763,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1clone(JNIEnv *
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelInfo ret_var = ChannelInfo_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39793,7 +39793,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1read(JNIEnv *e
        LDKCResult_ChannelInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelInfoDecodeErrorZ), "LDKCResult_ChannelInfoDecodeErrorZ");
        *ret_conv = ChannelInfo_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DirectedChannelInfo_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -39806,7 +39806,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DirectedChannelInfo_1free(JNIE
 
 static inline uintptr_t DirectedChannelInfo_clone_ptr(LDKDirectedChannelInfo *NONNULL_PTR arg) {
        LDKDirectedChannelInfo ret_var = DirectedChannelInfo_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39816,12 +39816,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_DirectedChannelInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DirectedChannelInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKDirectedChannelInfo arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = DirectedChannelInfo_clone_ptr(&arg_conv);
+       int64_t ret_val = DirectedChannelInfo_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -39831,7 +39831,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DirectedChannelInfo_1clone(
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKDirectedChannelInfo ret_var = DirectedChannelInfo_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39848,7 +39848,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DirectedChannelInfo_1channe
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKChannelInfo ret_var = DirectedChannelInfo_channel(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39865,7 +39865,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DirectedChannelInfo_1direct
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKChannelUpdateInfo ret_var = DirectedChannelInfo_direction(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -39885,7 +39885,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DirectedChannelInfo_1effect
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKEffectiveCapacity *ret_copy = MALLOC(sizeof(LDKEffectiveCapacity), "LDKEffectiveCapacity");
        *ret_copy = DirectedChannelInfo_effective_capacity(&this_arg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -39901,12 +39901,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_EffectiveCapacity_1free(JNIEnv
 static inline uintptr_t EffectiveCapacity_clone_ptr(LDKEffectiveCapacity *NONNULL_PTR arg) {
        LDKEffectiveCapacity *ret_copy = MALLOC(sizeof(LDKEffectiveCapacity), "LDKEffectiveCapacity");
        *ret_copy = EffectiveCapacity_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_EffectiveCapacity_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_EffectiveCapacity_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKEffectiveCapacity* arg_conv = (LDKEffectiveCapacity*)arg;
-       intptr_t ret_val = EffectiveCapacity_clone_ptr(arg_conv);
+       int64_t ret_val = EffectiveCapacity_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -39914,42 +39914,42 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_EffectiveCapacity_1clone(JN
        LDKEffectiveCapacity* orig_conv = (LDKEffectiveCapacity*)orig;
        LDKEffectiveCapacity *ret_copy = MALLOC(sizeof(LDKEffectiveCapacity), "LDKEffectiveCapacity");
        *ret_copy = EffectiveCapacity_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_EffectiveCapacity_1exact_1liquidity(JNIEnv *env, jclass clz, int64_t liquidity_msat) {
        LDKEffectiveCapacity *ret_copy = MALLOC(sizeof(LDKEffectiveCapacity), "LDKEffectiveCapacity");
        *ret_copy = EffectiveCapacity_exact_liquidity(liquidity_msat);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_EffectiveCapacity_1maximum_1htlc(JNIEnv *env, jclass clz, int64_t amount_msat) {
        LDKEffectiveCapacity *ret_copy = MALLOC(sizeof(LDKEffectiveCapacity), "LDKEffectiveCapacity");
        *ret_copy = EffectiveCapacity_maximum_htlc(amount_msat);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_EffectiveCapacity_1total(JNIEnv *env, jclass clz, int64_t capacity_msat) {
        LDKEffectiveCapacity *ret_copy = MALLOC(sizeof(LDKEffectiveCapacity), "LDKEffectiveCapacity");
        *ret_copy = EffectiveCapacity_total(capacity_msat);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_EffectiveCapacity_1infinite(JNIEnv *env, jclass clz) {
        LDKEffectiveCapacity *ret_copy = MALLOC(sizeof(LDKEffectiveCapacity), "LDKEffectiveCapacity");
        *ret_copy = EffectiveCapacity_infinite();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_EffectiveCapacity_1unknown(JNIEnv *env, jclass clz) {
        LDKEffectiveCapacity *ret_copy = MALLOC(sizeof(LDKEffectiveCapacity), "LDKEffectiveCapacity");
        *ret_copy = EffectiveCapacity_unknown();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -40003,7 +40003,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RoutingFees_1set_1proportional
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingFees_1new(JNIEnv *env, jclass clz, int32_t base_msat_arg, int32_t proportional_millionths_arg) {
        LDKRoutingFees ret_var = RoutingFees_new(base_msat_arg, proportional_millionths_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40029,7 +40029,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_RoutingFees_1eq(JNIEnv *en
 
 static inline uintptr_t RoutingFees_clone_ptr(LDKRoutingFees *NONNULL_PTR arg) {
        LDKRoutingFees ret_var = RoutingFees_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40039,12 +40039,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RoutingFees_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingFees_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRoutingFees arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = RoutingFees_clone_ptr(&arg_conv);
+       int64_t ret_val = RoutingFees_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -40054,7 +40054,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingFees_1clone(JNIEnv *
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRoutingFees ret_var = RoutingFees_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40093,7 +40093,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingFees_1read(JNIEnv *e
        LDKCResult_RoutingFeesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RoutingFeesDecodeErrorZ), "LDKCResult_RoutingFeesDecodeErrorZ");
        *ret_conv = RoutingFees_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -40110,7 +40110,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1get_1
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKNodeFeatures ret_var = NodeAnnouncementInfo_get_features(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40223,7 +40223,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1get_1
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKNodeAnnouncement ret_var = NodeAnnouncementInfo_get_announcement_message(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -40282,7 +40282,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1new(J
        CHECK_INNER_FIELD_ACCESS_OR_NULL(announcement_message_arg_conv);
        announcement_message_arg_conv = NodeAnnouncement_clone(&announcement_message_arg_conv);
        LDKNodeAnnouncementInfo ret_var = NodeAnnouncementInfo_new(features_arg_conv, last_update_arg, rgb_arg_ref, alias_arg_ref, addresses_arg_constr, announcement_message_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40295,7 +40295,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1new(J
 
 static inline uintptr_t NodeAnnouncementInfo_clone_ptr(LDKNodeAnnouncementInfo *NONNULL_PTR arg) {
        LDKNodeAnnouncementInfo ret_var = NodeAnnouncementInfo_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40305,12 +40305,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKNodeAnnouncementInfo arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = NodeAnnouncementInfo_clone_ptr(&arg_conv);
+       int64_t ret_val = NodeAnnouncementInfo_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -40320,7 +40320,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1clone
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKNodeAnnouncementInfo ret_var = NodeAnnouncementInfo_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40350,7 +40350,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1read(
        LDKCResult_NodeAnnouncementInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementInfoDecodeErrorZ), "LDKCResult_NodeAnnouncementInfoDecodeErrorZ");
        *ret_conv = NodeAnnouncementInfo_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NodeInfo_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -40387,7 +40387,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeInfo_1get_1lowest_1inbo
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKRoutingFees ret_var = NodeInfo_get_lowest_inbound_channel_fees(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -40419,7 +40419,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeInfo_1get_1announcement
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKNodeAnnouncementInfo ret_var = NodeInfo_get_announcement_info(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -40469,7 +40469,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeInfo_1new(JNIEnv *env,
        CHECK_INNER_FIELD_ACCESS_OR_NULL(announcement_info_arg_conv);
        announcement_info_arg_conv = NodeAnnouncementInfo_clone(&announcement_info_arg_conv);
        LDKNodeInfo ret_var = NodeInfo_new(channels_arg_constr, lowest_inbound_channel_fees_arg_conv, announcement_info_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40482,7 +40482,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeInfo_1new(JNIEnv *env,
 
 static inline uintptr_t NodeInfo_clone_ptr(LDKNodeInfo *NONNULL_PTR arg) {
        LDKNodeInfo ret_var = NodeInfo_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40492,12 +40492,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_NodeInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKNodeInfo arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = NodeInfo_clone_ptr(&arg_conv);
+       int64_t ret_val = NodeInfo_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -40507,7 +40507,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeInfo_1clone(JNIEnv *env
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKNodeInfo ret_var = NodeInfo_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40537,7 +40537,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeInfo_1read(JNIEnv *env,
        LDKCResult_NodeInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeInfoDecodeErrorZ), "LDKCResult_NodeInfoDecodeErrorZ");
        *ret_conv = NodeInfo_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -40559,7 +40559,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1read(JNIEnv *
        LDKCResult_NetworkGraphDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetworkGraphDecodeErrorZ), "LDKCResult_NetworkGraphDecodeErrorZ");
        *ret_conv = NetworkGraph_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1new(JNIEnv *env, jclass clz, int8_tArray genesis_hash) {
@@ -40567,7 +40567,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1new(JNIEnv *e
        CHECK((*env)->GetArrayLength(env, genesis_hash) == 32);
        (*env)->GetByteArrayRegion(env, genesis_hash, 0, 32, genesis_hash_ref.data);
        LDKNetworkGraph ret_var = NetworkGraph_new(genesis_hash_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40584,7 +40584,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1read_1only(JN
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKReadOnlyNetworkGraph ret_var = NetworkGraph_read_only(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40606,7 +40606,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1node_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_conv);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = NetworkGraph_update_node_from_announcement(&this_arg_conv, &msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1node_1from_1unsigned_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
@@ -40620,7 +40620,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1node_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_conv);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = NetworkGraph_update_node_from_unsigned_announcement(&this_arg_conv, &msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1channel_1from_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg, int64_t chain_access) {
@@ -40645,7 +40645,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1chann
        }
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = NetworkGraph_update_channel_from_announcement(&this_arg_conv, &msg_conv, chain_access_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1channel_1from_1unsigned_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg, int64_t chain_access) {
@@ -40670,7 +40670,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1chann
        }
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = NetworkGraph_update_channel_from_unsigned_announcement(&this_arg_conv, &msg_conv, chain_access_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1close_1channel_1from_1update(JNIEnv *env, jclass clz, int64_t this_arg, int64_t short_channel_id, jboolean is_permanent) {
@@ -40719,7 +40719,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1chann
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_conv);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = NetworkGraph_update_channel(&this_arg_conv, &msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1channel_1unsigned(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
@@ -40733,7 +40733,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1chann
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_conv);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = NetworkGraph_update_channel_unsigned(&this_arg_conv, &msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReadOnlyNetworkGraph_1get_1addresses(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray pubkey) {
@@ -40746,7 +40746,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReadOnlyNetworkGraph_1get_1
        (*env)->GetByteArrayRegion(env, pubkey, 0, 33, pubkey_ref.compressed_form);
        LDKCOption_CVec_NetAddressZZ *ret_copy = MALLOC(sizeof(LDKCOption_CVec_NetAddressZZ), "LDKCOption_CVec_NetAddressZZ");
        *ret_copy = ReadOnlyNetworkGraph_get_addresses(&this_arg_conv, pubkey_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -40785,7 +40785,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHop_1get_1node_1featur
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKNodeFeatures ret_var = RouteHop_get_node_features(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40832,7 +40832,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHop_1get_1channel_1fea
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelFeatures ret_var = RouteHop_get_channel_features(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40905,7 +40905,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHop_1new(JNIEnv *env,
        CHECK_INNER_FIELD_ACCESS_OR_NULL(channel_features_arg_conv);
        channel_features_arg_conv = ChannelFeatures_clone(&channel_features_arg_conv);
        LDKRouteHop ret_var = RouteHop_new(pubkey_arg_ref, node_features_arg_conv, short_channel_id_arg, channel_features_arg_conv, fee_msat_arg, cltv_expiry_delta_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40918,7 +40918,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHop_1new(JNIEnv *env,
 
 static inline uintptr_t RouteHop_clone_ptr(LDKRouteHop *NONNULL_PTR arg) {
        LDKRouteHop ret_var = RouteHop_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40928,12 +40928,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RouteHop_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHop_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRouteHop arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = RouteHop_clone_ptr(&arg_conv);
+       int64_t ret_val = RouteHop_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -40943,7 +40943,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHop_1clone(JNIEnv *env
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRouteHop ret_var = RouteHop_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40995,7 +40995,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHop_1read(JNIEnv *env,
        LDKCResult_RouteHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHopDecodeErrorZ), "LDKCResult_RouteHopDecodeErrorZ");
        *ret_conv = RouteHop_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Route_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -41022,7 +41022,7 @@ JNIEXPORT jobjectArray JNICALL Java_org_ldk_impl_bindings_Route_1get_1paths(JNIE
                int64_t *ret_conv_12_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_conv_12_arr, NULL);
                for (size_t k = 0; k < ret_conv_12_var.datalen; k++) {
                        LDKRouteHop ret_conv_12_conv_10_var = ret_conv_12_var.data[k];
-                       uintptr_t ret_conv_12_conv_10_ref = 0;
+                       int64_t ret_conv_12_conv_10_ref = 0;
                        CHECK((((uintptr_t)ret_conv_12_conv_10_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&ret_conv_12_conv_10_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_12_conv_10_var);
@@ -41082,7 +41082,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Route_1get_1payment_1params
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKPaymentParameters ret_var = Route_get_payment_params(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -41142,7 +41142,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Route_1new(JNIEnv *env, jcl
        CHECK_INNER_FIELD_ACCESS_OR_NULL(payment_params_arg_conv);
        payment_params_arg_conv = PaymentParameters_clone(&payment_params_arg_conv);
        LDKRoute ret_var = Route_new(paths_arg_constr, payment_params_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41155,7 +41155,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Route_1new(JNIEnv *env, jcl
 
 static inline uintptr_t Route_clone_ptr(LDKRoute *NONNULL_PTR arg) {
        LDKRoute ret_var = Route_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41165,12 +41165,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Route_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Route_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRoute arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = Route_clone_ptr(&arg_conv);
+       int64_t ret_val = Route_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -41180,7 +41180,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Route_1clone(JNIEnv *env, j
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRoute ret_var = Route_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41250,7 +41250,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Route_1read(JNIEnv *env, jc
        LDKCResult_RouteDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteDecodeErrorZ), "LDKCResult_RouteDecodeErrorZ");
        *ret_conv = Route_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RouteParameters_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -41267,7 +41267,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteParameters_1get_1payme
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKPaymentParameters ret_var = RouteParameters_get_payment_params(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41332,7 +41332,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteParameters_1new(JNIEnv
        CHECK_INNER_FIELD_ACCESS_OR_NULL(payment_params_arg_conv);
        payment_params_arg_conv = PaymentParameters_clone(&payment_params_arg_conv);
        LDKRouteParameters ret_var = RouteParameters_new(payment_params_arg_conv, final_value_msat_arg, final_cltv_expiry_delta_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41345,7 +41345,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteParameters_1new(JNIEnv
 
 static inline uintptr_t RouteParameters_clone_ptr(LDKRouteParameters *NONNULL_PTR arg) {
        LDKRouteParameters ret_var = RouteParameters_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41355,12 +41355,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RouteParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRouteParameters arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = RouteParameters_clone_ptr(&arg_conv);
+       int64_t ret_val = RouteParameters_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -41370,7 +41370,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteParameters_1clone(JNIE
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRouteParameters ret_var = RouteParameters_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41400,7 +41400,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteParameters_1read(JNIEn
        LDKCResult_RouteParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteParametersDecodeErrorZ), "LDKCResult_RouteParametersDecodeErrorZ");
        *ret_conv = RouteParameters_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -41438,7 +41438,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1get_1fea
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKInvoiceFeatures ret_var = PaymentParameters_get_features(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -41475,7 +41475,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1get
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t l = 0; l < ret_var.datalen; l++) {
                LDKRouteHint ret_conv_11_var = ret_var.data[l];
-               uintptr_t ret_conv_11_ref = 0;
+               int64_t ret_conv_11_ref = 0;
                CHECK((((uintptr_t)ret_conv_11_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_11_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_11_var);
@@ -41522,7 +41522,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1get_1exp
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = PaymentParameters_get_expiry_time(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -41586,7 +41586,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1new(JNIE
        LDKCOption_u64Z expiry_time_arg_conv = *(LDKCOption_u64Z*)(expiry_time_arg_ptr);
        expiry_time_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uintptr_t)expiry_time_arg) & ~1));
        LDKPaymentParameters ret_var = PaymentParameters_new(payee_pubkey_arg_ref, features_arg_conv, route_hints_arg_constr, expiry_time_arg_conv, max_total_cltv_expiry_delta_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41599,7 +41599,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1new(JNIE
 
 static inline uintptr_t PaymentParameters_clone_ptr(LDKPaymentParameters *NONNULL_PTR arg) {
        LDKPaymentParameters ret_var = PaymentParameters_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41609,12 +41609,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPaymentParameters arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = PaymentParameters_clone_ptr(&arg_conv);
+       int64_t ret_val = PaymentParameters_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -41624,7 +41624,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1clone(JN
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKPaymentParameters ret_var = PaymentParameters_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41676,7 +41676,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1read(JNI
        LDKCResult_PaymentParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentParametersDecodeErrorZ), "LDKCResult_PaymentParametersDecodeErrorZ");
        *ret_conv = PaymentParameters_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1from_1node_1id(JNIEnv *env, jclass clz, int8_tArray payee_pubkey) {
@@ -41684,7 +41684,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1from_1no
        CHECK((*env)->GetArrayLength(env, payee_pubkey) == 33);
        (*env)->GetByteArrayRegion(env, payee_pubkey, 0, 33, payee_pubkey_ref.compressed_form);
        LDKPaymentParameters ret_var = PaymentParameters_from_node_id(payee_pubkey_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41700,7 +41700,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1for_1key
        CHECK((*env)->GetArrayLength(env, payee_pubkey) == 33);
        (*env)->GetByteArrayRegion(env, payee_pubkey, 0, 33, payee_pubkey_ref.compressed_form);
        LDKPaymentParameters ret_var = PaymentParameters_for_keysend(payee_pubkey_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41730,7 +41730,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_RouteHint_1get_1a(JNIE
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKRouteHintHop ret_conv_14_var = ret_var.data[o];
-               uintptr_t ret_conv_14_ref = 0;
+               int64_t ret_conv_14_ref = 0;
                CHECK((((uintptr_t)ret_conv_14_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_14_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_14_var);
@@ -41789,7 +41789,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHint_1new(JNIEnv *env,
        }
        (*env)->ReleaseLongArrayElements(env, a_arg, a_arg_vals, 0);
        LDKRouteHint ret_var = RouteHint_new(a_arg_constr);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41802,7 +41802,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHint_1new(JNIEnv *env,
 
 static inline uintptr_t RouteHint_clone_ptr(LDKRouteHint *NONNULL_PTR arg) {
        LDKRouteHint ret_var = RouteHint_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41812,12 +41812,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RouteHint_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHint_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRouteHint arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = RouteHint_clone_ptr(&arg_conv);
+       int64_t ret_val = RouteHint_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -41827,7 +41827,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHint_1clone(JNIEnv *en
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRouteHint ret_var = RouteHint_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41879,7 +41879,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHint_1read(JNIEnv *env
        LDKCResult_RouteHintDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintDecodeErrorZ), "LDKCResult_RouteHintDecodeErrorZ");
        *ret_conv = RouteHint_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -41934,7 +41934,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1get_1fees(JNI
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKRoutingFees ret_var = RouteHintHop_get_fees(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41982,7 +41982,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1get_1htlc_1mi
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = RouteHintHop_get_htlc_minimum_msat(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -42005,7 +42005,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1get_1htlc_1ma
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = RouteHintHop_get_htlc_maximum_msat(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -42039,7 +42039,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1new(JNIEnv *e
        LDKCOption_u64Z htlc_maximum_msat_arg_conv = *(LDKCOption_u64Z*)(htlc_maximum_msat_arg_ptr);
        htlc_maximum_msat_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uintptr_t)htlc_maximum_msat_arg) & ~1));
        LDKRouteHintHop ret_var = RouteHintHop_new(src_node_id_arg_ref, short_channel_id_arg, fees_arg_conv, cltv_expiry_delta_arg, htlc_minimum_msat_arg_conv, htlc_maximum_msat_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42052,7 +42052,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1new(JNIEnv *e
 
 static inline uintptr_t RouteHintHop_clone_ptr(LDKRouteHintHop *NONNULL_PTR arg) {
        LDKRouteHintHop ret_var = RouteHintHop_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42062,12 +42062,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRouteHintHop arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = RouteHintHop_clone_ptr(&arg_conv);
+       int64_t ret_val = RouteHintHop_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -42077,7 +42077,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRouteHintHop ret_var = RouteHintHop_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42129,7 +42129,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1read(JNIEnv *
        LDKCResult_RouteHintHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintHopDecodeErrorZ), "LDKCResult_RouteHintHopDecodeErrorZ");
        *ret_conv = RouteHintHop_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_find_1route(JNIEnv *env, jclass clz, int8_tArray our_node_pubkey, int64_t route_params, int64_t network, int64_tArray first_hops, int64_t logger, int64_t scorer) {
@@ -42177,7 +42177,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_find_1route(JNIEnv *env, jc
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = find_route(our_node_pubkey_ref, &route_params_conv, &network_conv, first_hops_ptr, logger_conv, scorer_conv);
        if (first_hops_ptr != NULL) { FREE(first_hops_constr.data); }
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Score_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -42215,7 +42215,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MultiThreadedLockableScore_
                LDKScore_JCalls_cloned(&score_conv);
        }
        LDKMultiThreadedLockableScore ret_var = MultiThreadedLockableScore_new(score_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42236,7 +42236,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_FixedPenaltyScorer_1free(JNIEn
 
 static inline uintptr_t FixedPenaltyScorer_clone_ptr(LDKFixedPenaltyScorer *NONNULL_PTR arg) {
        LDKFixedPenaltyScorer ret_var = FixedPenaltyScorer_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42246,12 +42246,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_FixedPenaltyScorer_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FixedPenaltyScorer_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKFixedPenaltyScorer arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = FixedPenaltyScorer_clone_ptr(&arg_conv);
+       int64_t ret_val = FixedPenaltyScorer_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -42261,7 +42261,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FixedPenaltyScorer_1clone(J
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKFixedPenaltyScorer ret_var = FixedPenaltyScorer_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42291,12 +42291,12 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FixedPenaltyScorer_1read(JN
        LDKCResult_FixedPenaltyScorerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FixedPenaltyScorerDecodeErrorZ), "LDKCResult_FixedPenaltyScorerDecodeErrorZ");
        *ret_conv = FixedPenaltyScorer_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FixedPenaltyScorer_1with_1penalty(JNIEnv *env, jclass clz, int64_t penalty_msat) {
        LDKFixedPenaltyScorer ret_var = FixedPenaltyScorer_with_penalty(penalty_msat);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42314,7 +42314,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FixedPenaltyScorer_1as_1Sco
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKScore* ret_ret = MALLOC(sizeof(LDKScore), "LDKScore");
        *ret_ret = FixedPenaltyScorer_as_Score(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Scorer_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -42420,7 +42420,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ScoringParameters_1set_1failur
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ScoringParameters_1new(JNIEnv *env, jclass clz, int64_t base_penalty_msat_arg, int64_t failure_penalty_msat_arg, int16_t overuse_penalty_start_1024th_arg, int64_t overuse_penalty_msat_per_1024th_arg, int64_t failure_penalty_half_life_arg) {
        LDKScoringParameters ret_var = ScoringParameters_new(base_penalty_msat_arg, failure_penalty_msat_arg, overuse_penalty_start_1024th_arg, overuse_penalty_msat_per_1024th_arg, failure_penalty_half_life_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42433,7 +42433,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ScoringParameters_1new(JNIE
 
 static inline uintptr_t ScoringParameters_clone_ptr(LDKScoringParameters *NONNULL_PTR arg) {
        LDKScoringParameters ret_var = ScoringParameters_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42443,12 +42443,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ScoringParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ScoringParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKScoringParameters arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ScoringParameters_clone_ptr(&arg_conv);
+       int64_t ret_val = ScoringParameters_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -42458,7 +42458,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ScoringParameters_1clone(JN
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKScoringParameters ret_var = ScoringParameters_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42488,7 +42488,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ScoringParameters_1read(JNI
        LDKCResult_ScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ScoringParametersDecodeErrorZ), "LDKCResult_ScoringParametersDecodeErrorZ");
        *ret_conv = ScoringParameters_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Scorer_1new(JNIEnv *env, jclass clz, int64_t params) {
@@ -42498,7 +42498,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Scorer_1new(JNIEnv *env, jc
        CHECK_INNER_FIELD_ACCESS_OR_NULL(params_conv);
        params_conv = ScoringParameters_clone(&params_conv);
        LDKScorer ret_var = Scorer_new(params_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42511,7 +42511,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Scorer_1new(JNIEnv *env, jc
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Scorer_1default(JNIEnv *env, jclass clz) {
        LDKScorer ret_var = Scorer_default();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42524,7 +42524,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Scorer_1default(JNIEnv *env
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ScoringParameters_1default(JNIEnv *env, jclass clz) {
        LDKScoringParameters ret_var = ScoringParameters_default();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42542,7 +42542,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Scorer_1as_1Score(JNIEnv *e
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKScore* ret_ret = MALLOC(sizeof(LDKScore), "LDKScore");
        *ret_ret = Scorer_as_Score(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Scorer_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -42564,7 +42564,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Scorer_1read(JNIEnv *env, j
        LDKCResult_ScorerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ScorerDecodeErrorZ), "LDKCResult_ScorerDecodeErrorZ");
        *ret_conv = Scorer_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ProbabilisticScoringParameters_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -42611,7 +42611,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ProbabilisticScoringParameters
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ProbabilisticScoringParameters_1new(JNIEnv *env, jclass clz, int64_t liquidity_penalty_multiplier_msat_arg, int64_t liquidity_offset_half_life_arg) {
        LDKProbabilisticScoringParameters ret_var = ProbabilisticScoringParameters_new(liquidity_penalty_multiplier_msat_arg, liquidity_offset_half_life_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42624,7 +42624,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ProbabilisticScoringParamet
 
 static inline uintptr_t ProbabilisticScoringParameters_clone_ptr(LDKProbabilisticScoringParameters *NONNULL_PTR arg) {
        LDKProbabilisticScoringParameters ret_var = ProbabilisticScoringParameters_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42634,12 +42634,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ProbabilisticScoringParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ProbabilisticScoringParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKProbabilisticScoringParameters arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ProbabilisticScoringParameters_clone_ptr(&arg_conv);
+       int64_t ret_val = ProbabilisticScoringParameters_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -42649,7 +42649,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ProbabilisticScoringParamet
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKProbabilisticScoringParameters ret_var = ProbabilisticScoringParameters_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42679,12 +42679,12 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ProbabilisticScoringParamet
        LDKCResult_ProbabilisticScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ProbabilisticScoringParametersDecodeErrorZ), "LDKCResult_ProbabilisticScoringParametersDecodeErrorZ");
        *ret_conv = ProbabilisticScoringParameters_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ProbabilisticScoringParameters_1default(JNIEnv *env, jclass clz) {
        LDKProbabilisticScoringParameters ret_var = ProbabilisticScoringParameters_default();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42706,7 +42706,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1free(JNIE
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1new(JNIEnv *env, jclass clz, jstring path_to_channel_data) {
        LDKStr path_to_channel_data_conv = java_to_owned_str(env, path_to_channel_data);
        LDKFilesystemPersister ret_var = FilesystemPersister_new(path_to_channel_data_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42736,7 +42736,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1persis
        CHECK_INNER_FIELD_ACCESS_OR_NULL(manager_conv);
        LDKCResult_NoneErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneErrorZ), "LDKCResult_NoneErrorZ");
        *ret_conv = FilesystemPersister_persist_manager(data_dir_conv, &manager_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1read_1channelmonitors(JNIEnv *env, jclass clz, int64_t this_arg, int64_t keys_manager) {
@@ -42753,7 +42753,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1read_1
        }
        LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ), "LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ");
        *ret_conv = FilesystemPersister_read_channelmonitors(&this_arg_conv, keys_manager_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1as_1Persist(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -42763,7 +42763,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1as_1Pe
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKPersist* ret_ret = MALLOC(sizeof(LDKPersist), "LDKPersist");
        *ret_ret = FilesystemPersister_as_Persist(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -42822,7 +42822,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1start(
                LDKLogger_JCalls_cloned(&logger_conv);
        }
        LDKBackgroundProcessor ret_var = BackgroundProcessor_start(persister_conv, event_handler_conv, &chain_monitor_conv, &channel_manager_conv, net_graph_msg_handler_conv, &peer_manager_conv, logger_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42841,7 +42841,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1join(J
        // WARNING: we need a move here but no clone is available for LDKBackgroundProcessor
        LDKCResult_NoneErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneErrorZ), "LDKCResult_NoneErrorZ");
        *ret_conv = BackgroundProcessor_join(this_arg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1stop(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -42852,7 +42852,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1stop(J
        // WARNING: we need a move here but no clone is available for LDKBackgroundProcessor
        LDKCResult_NoneErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneErrorZ), "LDKCResult_NoneErrorZ");
        *ret_conv = BackgroundProcessor_stop(this_arg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Invoice_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -42878,7 +42878,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_Invoice_1eq(JNIEnv *env, j
 
 static inline uintptr_t Invoice_clone_ptr(LDKInvoice *NONNULL_PTR arg) {
        LDKInvoice ret_var = Invoice_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42888,12 +42888,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Invoice_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKInvoice arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = Invoice_clone_ptr(&arg_conv);
+       int64_t ret_val = Invoice_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -42903,7 +42903,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1clone(JNIEnv *env,
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKInvoice ret_var = Invoice_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42937,7 +42937,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1eq(JNIEn
 
 static inline uintptr_t SignedRawInvoice_clone_ptr(LDKSignedRawInvoice *NONNULL_PTR arg) {
        LDKSignedRawInvoice ret_var = SignedRawInvoice_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42947,12 +42947,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKSignedRawInvoice arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = SignedRawInvoice_clone_ptr(&arg_conv);
+       int64_t ret_val = SignedRawInvoice_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -42962,7 +42962,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1clone(JNI
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKSignedRawInvoice ret_var = SignedRawInvoice_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42987,7 +42987,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1get_1data(JNIEn
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKRawDataPart ret_var = RawInvoice_get_data(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43026,7 +43026,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_RawInvoice_1eq(JNIEnv *env
 
 static inline uintptr_t RawInvoice_clone_ptr(LDKRawInvoice *NONNULL_PTR arg) {
        LDKRawInvoice ret_var = RawInvoice_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43036,12 +43036,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRawInvoice arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = RawInvoice_clone_ptr(&arg_conv);
+       int64_t ret_val = RawInvoice_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43051,7 +43051,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1clone(JNIEnv *e
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRawInvoice ret_var = RawInvoice_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43076,7 +43076,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawDataPart_1get_1timestamp
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKPositiveTimestamp ret_var = RawDataPart_get_timestamp(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43115,7 +43115,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_RawDataPart_1eq(JNIEnv *en
 
 static inline uintptr_t RawDataPart_clone_ptr(LDKRawDataPart *NONNULL_PTR arg) {
        LDKRawDataPart ret_var = RawDataPart_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43125,12 +43125,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RawDataPart_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawDataPart_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRawDataPart arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = RawDataPart_clone_ptr(&arg_conv);
+       int64_t ret_val = RawDataPart_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43140,7 +43140,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawDataPart_1clone(JNIEnv *
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRawDataPart ret_var = RawDataPart_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43174,7 +43174,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_PositiveTimestamp_1eq(JNIE
 
 static inline uintptr_t PositiveTimestamp_clone_ptr(LDKPositiveTimestamp *NONNULL_PTR arg) {
        LDKPositiveTimestamp ret_var = PositiveTimestamp_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43184,12 +43184,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_PositiveTimestamp_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PositiveTimestamp_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPositiveTimestamp arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = PositiveTimestamp_clone_ptr(&arg_conv);
+       int64_t ret_val = PositiveTimestamp_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43199,7 +43199,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PositiveTimestamp_1clone(JN
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKPositiveTimestamp ret_var = PositiveTimestamp_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43303,7 +43303,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Sha256_1free(JNIEnv *env, jcla
 
 static inline uintptr_t Sha256_clone_ptr(LDKSha256 *NONNULL_PTR arg) {
        LDKSha256 ret_var = Sha256_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43313,12 +43313,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Sha256_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Sha256_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKSha256 arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = Sha256_clone_ptr(&arg_conv);
+       int64_t ret_val = Sha256_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43328,7 +43328,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Sha256_1clone(JNIEnv *env,
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKSha256 ret_var = Sha256_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43371,7 +43371,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Description_1free(JNIEnv *env,
 
 static inline uintptr_t Description_clone_ptr(LDKDescription *NONNULL_PTR arg) {
        LDKDescription ret_var = Description_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43381,12 +43381,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Description_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Description_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKDescription arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = Description_clone_ptr(&arg_conv);
+       int64_t ret_val = Description_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43396,7 +43396,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Description_1clone(JNIEnv *
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKDescription ret_var = Description_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43463,7 +43463,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PayeePubKey_1new(JNIEnv *en
        CHECK((*env)->GetArrayLength(env, a_arg) == 33);
        (*env)->GetByteArrayRegion(env, a_arg, 0, 33, a_arg_ref.compressed_form);
        LDKPayeePubKey ret_var = PayeePubKey_new(a_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43476,7 +43476,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PayeePubKey_1new(JNIEnv *en
 
 static inline uintptr_t PayeePubKey_clone_ptr(LDKPayeePubKey *NONNULL_PTR arg) {
        LDKPayeePubKey ret_var = PayeePubKey_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43486,12 +43486,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_PayeePubKey_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PayeePubKey_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPayeePubKey arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = PayeePubKey_clone_ptr(&arg_conv);
+       int64_t ret_val = PayeePubKey_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43501,7 +43501,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PayeePubKey_1clone(JNIEnv *
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKPayeePubKey ret_var = PayeePubKey_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43544,7 +43544,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ExpiryTime_1free(JNIEnv *env,
 
 static inline uintptr_t ExpiryTime_clone_ptr(LDKExpiryTime *NONNULL_PTR arg) {
        LDKExpiryTime ret_var = ExpiryTime_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43554,12 +43554,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ExpiryTime_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ExpiryTime_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKExpiryTime arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ExpiryTime_clone_ptr(&arg_conv);
+       int64_t ret_val = ExpiryTime_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43569,7 +43569,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ExpiryTime_1clone(JNIEnv *e
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKExpiryTime ret_var = ExpiryTime_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43629,7 +43629,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MinFinalCltvExpiry_1set_1a(JNI
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MinFinalCltvExpiry_1new(JNIEnv *env, jclass clz, int64_t a_arg) {
        LDKMinFinalCltvExpiry ret_var = MinFinalCltvExpiry_new(a_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43642,7 +43642,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MinFinalCltvExpiry_1new(JNI
 
 static inline uintptr_t MinFinalCltvExpiry_clone_ptr(LDKMinFinalCltvExpiry *NONNULL_PTR arg) {
        LDKMinFinalCltvExpiry ret_var = MinFinalCltvExpiry_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43652,12 +43652,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_MinFinalCltvExpiry_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MinFinalCltvExpiry_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKMinFinalCltvExpiry arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = MinFinalCltvExpiry_clone_ptr(&arg_conv);
+       int64_t ret_val = MinFinalCltvExpiry_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43667,7 +43667,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MinFinalCltvExpiry_1clone(J
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKMinFinalCltvExpiry ret_var = MinFinalCltvExpiry_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43712,12 +43712,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Fallback_1free(JNIEnv *env, jc
 static inline uintptr_t Fallback_clone_ptr(LDKFallback *NONNULL_PTR arg) {
        LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
        *ret_copy = Fallback_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Fallback_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Fallback_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKFallback* arg_conv = (LDKFallback*)arg;
-       intptr_t ret_val = Fallback_clone_ptr(arg_conv);
+       int64_t ret_val = Fallback_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -43725,7 +43725,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Fallback_1clone(JNIEnv *env
        LDKFallback* orig_conv = (LDKFallback*)orig;
        LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
        *ret_copy = Fallback_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -43737,7 +43737,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Fallback_1seg_1wit_1program
        (*env)->GetByteArrayRegion(env, program, 0, program_ref.datalen, program_ref.data);
        LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
        *ret_copy = Fallback_seg_wit_program((LDKu5){ ._0 = version }, program_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -43747,7 +43747,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Fallback_1pub_1key_1hash(JN
        (*env)->GetByteArrayRegion(env, a, 0, 20, a_ref.data);
        LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
        *ret_copy = Fallback_pub_key_hash(a_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -43757,7 +43757,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Fallback_1script_1hash(JNIE
        (*env)->GetByteArrayRegion(env, a, 0, 20, a_ref.data);
        LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
        *ret_copy = Fallback_script_hash(a_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -43784,7 +43784,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_InvoiceSignature_1free(JNIEnv
 
 static inline uintptr_t InvoiceSignature_clone_ptr(LDKInvoiceSignature *NONNULL_PTR arg) {
        LDKInvoiceSignature ret_var = InvoiceSignature_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43794,12 +43794,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_InvoiceSignature_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoiceSignature_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKInvoiceSignature arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = InvoiceSignature_clone_ptr(&arg_conv);
+       int64_t ret_val = InvoiceSignature_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43809,7 +43809,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoiceSignature_1clone(JNI
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKInvoiceSignature ret_var = InvoiceSignature_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43843,7 +43843,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PrivateRoute_1free(JNIEnv *env
 
 static inline uintptr_t PrivateRoute_clone_ptr(LDKPrivateRoute *NONNULL_PTR arg) {
        LDKPrivateRoute ret_var = PrivateRoute_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43853,12 +43853,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_PrivateRoute_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PrivateRoute_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPrivateRoute arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = PrivateRoute_clone_ptr(&arg_conv);
+       int64_t ret_val = PrivateRoute_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43868,7 +43868,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PrivateRoute_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKPrivateRoute ret_var = PrivateRoute_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43909,7 +43909,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1into_1par
        this_arg_conv = SignedRawInvoice_clone(&this_arg_conv);
        LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* ret_conv = MALLOC(sizeof(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ), "LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ");
        *ret_conv = SignedRawInvoice_into_parts(this_arg_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1raw_1invoice(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -43918,7 +43918,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1raw_1invo
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKRawInvoice ret_var = SignedRawInvoice_raw_invoice(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43945,7 +43945,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1signature
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKInvoiceSignature ret_var = SignedRawInvoice_signature(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43963,7 +43963,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1recover_1
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKCResult_PayeePubKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PayeePubKeyErrorZ), "LDKCResult_PayeePubKeyErrorZ");
        *ret_conv = SignedRawInvoice_recover_payee_pub_key(&this_arg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1check_1signature(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -43991,7 +43991,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1payment_1hash(J
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKSha256 ret_var = RawInvoice_payment_hash(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -44010,7 +44010,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1description(JNI
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKDescription ret_var = RawInvoice_description(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -44029,7 +44029,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1payee_1pub_1key
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKPayeePubKey ret_var = RawInvoice_payee_pub_key(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -44048,7 +44048,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1description_1ha
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKSha256 ret_var = RawInvoice_description_hash(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -44067,7 +44067,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1expiry_1time(JN
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKExpiryTime ret_var = RawInvoice_expiry_time(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -44086,7 +44086,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1min_1final_1clt
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKMinFinalCltvExpiry ret_var = RawInvoice_min_final_cltv_expiry(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -44115,7 +44115,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1features(JNIEnv
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKInvoiceFeatures ret_var = RawInvoice_features(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -44139,7 +44139,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_RawInvoice_1private_1r
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKPrivateRoute ret_conv_14_var = ret_var.data[o];
-               uintptr_t ret_conv_14_ref = 0;
+               int64_t ret_conv_14_ref = 0;
                CHECK((((uintptr_t)ret_conv_14_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_14_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_14_var);
@@ -44161,7 +44161,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1amount_1pico_1b
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = RawInvoice_amount_pico_btc(&this_arg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -44177,19 +44177,19 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_RawInvoice_1currency(JNIEnv
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PositiveTimestamp_1from_1unix_1timestamp(JNIEnv *env, jclass clz, int64_t unix_seconds) {
        LDKCResult_PositiveTimestampCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PositiveTimestampCreationErrorZ), "LDKCResult_PositiveTimestampCreationErrorZ");
        *ret_conv = PositiveTimestamp_from_unix_timestamp(unix_seconds);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PositiveTimestamp_1from_1system_1time(JNIEnv *env, jclass clz, int64_t time) {
        LDKCResult_PositiveTimestampCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PositiveTimestampCreationErrorZ), "LDKCResult_PositiveTimestampCreationErrorZ");
        *ret_conv = PositiveTimestamp_from_system_time(time);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PositiveTimestamp_1from_1duration_1since_1epoch(JNIEnv *env, jclass clz, int64_t duration) {
        LDKCResult_PositiveTimestampCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PositiveTimestampCreationErrorZ), "LDKCResult_PositiveTimestampCreationErrorZ");
        *ret_conv = PositiveTimestamp_from_duration_since_epoch(duration);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PositiveTimestamp_1as_1unix_1timestamp(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -44226,7 +44226,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1into_1signed_1raw(
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        this_arg_conv = Invoice_clone(&this_arg_conv);
        LDKSignedRawInvoice ret_var = Invoice_into_signed_raw(this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -44244,7 +44244,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1check_1signature(J
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKCResult_NoneSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneSemanticErrorZ), "LDKCResult_NoneSemanticErrorZ");
        *ret_conv = Invoice_check_signature(&this_arg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1from_1signed(JNIEnv *env, jclass clz, int64_t signed_invoice) {
@@ -44255,7 +44255,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1from_1signed(JNIEn
        signed_invoice_conv = SignedRawInvoice_clone(&signed_invoice_conv);
        LDKCResult_InvoiceSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSemanticErrorZ), "LDKCResult_InvoiceSemanticErrorZ");
        *ret_conv = Invoice_from_signed(signed_invoice_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1timestamp(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -44312,7 +44312,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1features(JNIEnv *e
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKInvoiceFeatures ret_var = Invoice_features(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -44382,7 +44382,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_Invoice_1private_1rout
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKPrivateRoute ret_conv_14_var = ret_var.data[o];
-               uintptr_t ret_conv_14_ref = 0;
+               int64_t ret_conv_14_ref = 0;
                CHECK((((uintptr_t)ret_conv_14_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_14_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_14_var);
@@ -44408,7 +44408,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_Invoice_1route_1hints(
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t l = 0; l < ret_var.datalen; l++) {
                LDKRouteHint ret_conv_11_var = ret_var.data[l];
-               uintptr_t ret_conv_11_ref = 0;
+               int64_t ret_conv_11_ref = 0;
                CHECK((((uintptr_t)ret_conv_11_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_11_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_11_var);
@@ -44439,7 +44439,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1amount_1milli_1sat
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = Invoice_amount_milli_satoshis(&this_arg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -44447,7 +44447,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Description_1new(JNIEnv *en
        LDKStr description_conv = java_to_owned_str(env, description);
        LDKCResult_DescriptionCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DescriptionCreationErrorZ), "LDKCResult_DescriptionCreationErrorZ");
        *ret_conv = Description_new(description_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_Description_1into_1inner(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -44464,7 +44464,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_Description_1into_1inner(JN
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ExpiryTime_1from_1seconds(JNIEnv *env, jclass clz, int64_t seconds) {
        LDKExpiryTime ret_var = ExpiryTime_from_seconds(seconds);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -44477,7 +44477,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ExpiryTime_1from_1seconds(J
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ExpiryTime_1from_1duration(JNIEnv *env, jclass clz, int64_t duration) {
        LDKExpiryTime ret_var = ExpiryTime_from_duration(duration);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -44514,7 +44514,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PrivateRoute_1new(JNIEnv *e
        hops_conv = RouteHint_clone(&hops_conv);
        LDKCResult_PrivateRouteCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PrivateRouteCreationErrorZ), "LDKCResult_PrivateRouteCreationErrorZ");
        *ret_conv = PrivateRoute_new(hops_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PrivateRoute_1into_1inner(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -44524,7 +44524,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PrivateRoute_1into_1inner(J
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        this_arg_conv = PrivateRoute_clone(&this_arg_conv);
        LDKRouteHint ret_var = PrivateRoute_into_inner(this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -44664,12 +44664,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1free(JNIE
 static inline uintptr_t SignOrCreationError_clone_ptr(LDKSignOrCreationError *NONNULL_PTR arg) {
        LDKSignOrCreationError *ret_copy = MALLOC(sizeof(LDKSignOrCreationError), "LDKSignOrCreationError");
        *ret_copy = SignOrCreationError_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKSignOrCreationError* arg_conv = (LDKSignOrCreationError*)arg;
-       intptr_t ret_val = SignOrCreationError_clone_ptr(arg_conv);
+       int64_t ret_val = SignOrCreationError_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -44677,14 +44677,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1clone(
        LDKSignOrCreationError* orig_conv = (LDKSignOrCreationError*)orig;
        LDKSignOrCreationError *ret_copy = MALLOC(sizeof(LDKSignOrCreationError), "LDKSignOrCreationError");
        *ret_copy = SignOrCreationError_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1sign_1error(JNIEnv *env, jclass clz) {
        LDKSignOrCreationError *ret_copy = MALLOC(sizeof(LDKSignOrCreationError), "LDKSignOrCreationError");
        *ret_copy = SignOrCreationError_sign_error();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -44692,7 +44692,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1creati
        LDKCreationError a_conv = LDKCreationError_from_java(env, a);
        LDKSignOrCreationError *ret_copy = MALLOC(sizeof(LDKSignOrCreationError), "LDKSignOrCreationError");
        *ret_copy = SignOrCreationError_creation_error(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -44745,16 +44745,16 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1free(JNIEnv *en
        RetryAttempts_free(this_obj_conv);
 }
 
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1get_1a(JNIEnv *env, jclass clz, int64_t this_ptr) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1get_1a(JNIEnv *env, jclass clz, int64_t this_ptr) {
        LDKRetryAttempts this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
-       intptr_t ret_val = RetryAttempts_get_a(&this_ptr_conv);
+       int64_t ret_val = RetryAttempts_get_a(&this_ptr_conv);
        return ret_val;
 }
 
-JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1set_1a(JNIEnv *env, jclass clz, int64_t this_ptr, intptr_t val) {
+JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1set_1a(JNIEnv *env, jclass clz, int64_t this_ptr, int64_t val) {
        LDKRetryAttempts this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
@@ -44762,9 +44762,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1set_1a(JNIEnv *
        RetryAttempts_set_a(&this_ptr_conv, val);
 }
 
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1new(JNIEnv *env, jclass clz, intptr_t a_arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1new(JNIEnv *env, jclass clz, int64_t a_arg) {
        LDKRetryAttempts ret_var = RetryAttempts_new(a_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -44777,7 +44777,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1new(JNIEnv *
 
 static inline uintptr_t RetryAttempts_clone_ptr(LDKRetryAttempts *NONNULL_PTR arg) {
        LDKRetryAttempts ret_var = RetryAttempts_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -44787,12 +44787,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRetryAttempts arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = RetryAttempts_clone_ptr(&arg_conv);
+       int64_t ret_val = RetryAttempts_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -44802,7 +44802,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRetryAttempts ret_var = RetryAttempts_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -44847,12 +44847,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PaymentError_1free(JNIEnv *env
 static inline uintptr_t PaymentError_clone_ptr(LDKPaymentError *NONNULL_PTR arg) {
        LDKPaymentError *ret_copy = MALLOC(sizeof(LDKPaymentError), "LDKPaymentError");
        *ret_copy = PaymentError_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_PaymentError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPaymentError* arg_conv = (LDKPaymentError*)arg;
-       intptr_t ret_val = PaymentError_clone_ptr(arg_conv);
+       int64_t ret_val = PaymentError_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -44860,7 +44860,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentError_1clone(JNIEnv
        LDKPaymentError* orig_conv = (LDKPaymentError*)orig;
        LDKPaymentError *ret_copy = MALLOC(sizeof(LDKPaymentError), "LDKPaymentError");
        *ret_copy = PaymentError_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -44868,7 +44868,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentError_1invoice(JNIEn
        LDKStr a_conv = java_to_owned_str(env, a);
        LDKPaymentError *ret_copy = MALLOC(sizeof(LDKPaymentError), "LDKPaymentError");
        *ret_copy = PaymentError_invoice(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -44880,7 +44880,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentError_1routing(JNIEn
        a_conv = LightningError_clone(&a_conv);
        LDKPaymentError *ret_copy = MALLOC(sizeof(LDKPaymentError), "LDKPaymentError");
        *ret_copy = PaymentError_routing(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -44891,7 +44891,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentError_1sending(JNIEn
        a_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uintptr_t)a) & ~1));
        LDKPaymentError *ret_copy = MALLOC(sizeof(LDKPaymentError), "LDKPaymentError");
        *ret_copy = PaymentError_sending(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -44934,7 +44934,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoicePayer_1new(JNIEnv *e
        CHECK_INNER_FIELD_ACCESS_OR_NULL(retry_attempts_conv);
        retry_attempts_conv = RetryAttempts_clone(&retry_attempts_conv);
        LDKInvoicePayer ret_var = InvoicePayer_new(payer_conv, router_conv, &scorer_conv, logger_conv, event_handler_conv, retry_attempts_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -44956,7 +44956,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoicePayer_1pay_1invoice(
        CHECK_INNER_FIELD_ACCESS_OR_NULL(invoice_conv);
        LDKCResult_PaymentIdPaymentErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentErrorZ), "LDKCResult_PaymentIdPaymentErrorZ");
        *ret_conv = InvoicePayer_pay_invoice(&this_arg_conv, &invoice_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoicePayer_1pay_1zero_1value_1invoice(JNIEnv *env, jclass clz, int64_t this_arg, int64_t invoice, int64_t amount_msats) {
@@ -44970,7 +44970,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoicePayer_1pay_1zero_1va
        CHECK_INNER_FIELD_ACCESS_OR_NULL(invoice_conv);
        LDKCResult_PaymentIdPaymentErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentErrorZ), "LDKCResult_PaymentIdPaymentErrorZ");
        *ret_conv = InvoicePayer_pay_zero_value_invoice(&this_arg_conv, &invoice_conv, amount_msats);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoicePayer_1pay_1pubkey(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray pubkey, int8_tArray payment_preimage, int64_t amount_msats, int32_t final_cltv_expiry_delta) {
@@ -44986,7 +44986,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoicePayer_1pay_1pubkey(J
        (*env)->GetByteArrayRegion(env, payment_preimage, 0, 32, payment_preimage_ref.data);
        LDKCResult_PaymentIdPaymentErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentErrorZ), "LDKCResult_PaymentIdPaymentErrorZ");
        *ret_conv = InvoicePayer_pay_pubkey(&this_arg_conv, pubkey_ref, payment_preimage_ref, amount_msats, final_cltv_expiry_delta);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_InvoicePayer_1remove_1cached_1payment(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray payment_hash) {
@@ -45008,7 +45008,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoicePayer_1as_1EventHand
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKEventHandler* ret_ret = MALLOC(sizeof(LDKEventHandler), "LDKEventHandler");
        *ret_ret = InvoicePayer_as_EventHandler(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_create_1phantom_1invoice(JNIEnv *env, jclass clz, int64_t amt_msat, jstring description, int8_tArray payment_hash, int8_tArray payment_secret, int64_tArray phantom_route_hints, int64_t keys_manager, jclass network) {
@@ -45050,7 +45050,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_create_1phantom_1invoice(JN
        LDKCurrency network_conv = LDKCurrency_from_java(env, network);
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
        *ret_conv = create_phantom_invoice(amt_msat_conv, description_conv, payment_hash_ref, payment_secret_ref, phantom_route_hints_constr, keys_manager_conv, network_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_create_1invoice_1from_1channelmanager(JNIEnv *env, jclass clz, int64_t channelmanager, int64_t keys_manager, jclass network, int64_t amt_msat, jstring description) {
@@ -45073,7 +45073,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_create_1invoice_1from_1chan
        LDKStr description_conv = java_to_owned_str(env, description);
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
        *ret_conv = create_invoice_from_channelmanager(&channelmanager_conv, keys_manager_conv, network_conv, amt_msat_conv, description_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_create_1invoice_1from_1channelmanager_1and_1duration_1since_1epoch(JNIEnv *env, jclass clz, int64_t channelmanager, int64_t keys_manager, jclass network, int64_t amt_msat, jstring description, int64_t duration_since_epoch) {
@@ -45096,7 +45096,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_create_1invoice_1from_1chan
        LDKStr description_conv = java_to_owned_str(env, description);
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
        *ret_conv = create_invoice_from_channelmanager_and_duration_since_epoch(&channelmanager_conv, keys_manager_conv, network_conv, amt_msat_conv, description_conv, duration_since_epoch);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DefaultRouter_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -45120,7 +45120,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DefaultRouter_1new(JNIEnv *
                LDKLogger_JCalls_cloned(&logger_conv);
        }
        LDKDefaultRouter ret_var = DefaultRouter_new(&network_graph_conv, logger_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -45138,7 +45138,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DefaultRouter_1as_1Router(J
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKRouter* ret_ret = MALLOC(sizeof(LDKRouter), "LDKRouter");
        *ret_ret = DefaultRouter_as_Router(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1Payer(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -45148,28 +45148,28 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1Payer(J
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKPayer* ret_ret = MALLOC(sizeof(LDKPayer), "LDKPayer");
        *ret_ret = ChannelManager_as_Payer(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SiPrefix_1from_1str(JNIEnv *env, jclass clz, jstring s) {
        LDKStr s_conv = java_to_owned_str(env, s);
        LDKCResult_SiPrefixNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SiPrefixNoneZ), "LDKCResult_SiPrefixNoneZ");
        *ret_conv = SiPrefix_from_str(s_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1from_1str(JNIEnv *env, jclass clz, jstring s) {
        LDKStr s_conv = java_to_owned_str(env, s);
        LDKCResult_InvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceNoneZ), "LDKCResult_InvoiceNoneZ");
        *ret_conv = Invoice_from_str(s_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1from_1str(JNIEnv *env, jclass clz, jstring s) {
        LDKStr s_conv = java_to_owned_str(env, s);
        LDKCResult_SignedRawInvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignedRawInvoiceNoneZ), "LDKCResult_SignedRawInvoiceNoneZ");
        *ret_conv = SignedRawInvoice_from_str(s_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_Invoice_1to_1str(JNIEnv *env, jclass clz, int64_t o) {
index 3824739870a91ce01de6866217e3834ba26a377d..47d0e4b28af83c311a9878ba979a1299793b575f 100644 (file)
@@ -916,7 +916,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommitmentSecretsDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ* owner_conv = (LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ*)(owner & ~1);
        LDKCounterpartyCommitmentSecrets ret_var = CResult_CounterpartyCommitmentSecretsDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -934,7 +934,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommitmentSecretsDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ* owner_conv = (LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_CounterpartyCommitmentSecretsDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -994,7 +994,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_TxCreationKeysDecodeErrorZ* owner_conv = (LDKCResult_TxCreationKeysDecodeErrorZ*)(owner & ~1);
        LDKTxCreationKeys ret_var = CResult_TxCreationKeysDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1012,7 +1012,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_TxCreationKeysDecodeErrorZ* owner_conv = (LDKCResult_TxCreationKeysDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_TxCreationKeysDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1030,7 +1030,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelPublicKeysDecodeErrorZ* owner_conv = (LDKCResult_ChannelPublicKeysDecodeErrorZ*)(owner & ~1);
        LDKChannelPublicKeys ret_var = CResult_ChannelPublicKeysDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1048,7 +1048,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelPublicKeysDecodeErrorZ* owner_conv = (LDKCResult_ChannelPublicKeysDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelPublicKeysDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1066,7 +1066,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_TxCreationKeysErrorZ* owner_conv = (LDKCResult_TxCreationKeysErrorZ*)(owner & ~1);
        LDKTxCreationKeys ret_var = CResult_TxCreationKeysErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1122,7 +1122,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommitmentDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_HTLCOutputInCommitmentDecodeErrorZ* owner_conv = (LDKCResult_HTLCOutputInCommitmentDecodeErrorZ*)(owner & ~1);
        LDKHTLCOutputInCommitment ret_var = CResult_HTLCOutputInCommitmentDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1140,7 +1140,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommitmentDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_HTLCOutputInCommitmentDecodeErrorZ* owner_conv = (LDKCResult_HTLCOutputInCommitmentDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_HTLCOutputInCommitmentDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1158,7 +1158,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChannelTransactionParametersDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ* owner_conv = (LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ*)(owner & ~1);
        LDKCounterpartyChannelTransactionParameters ret_var = CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1176,7 +1176,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChannelTransactionParametersDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ* owner_conv = (LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1194,7 +1194,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransactionParametersDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelTransactionParametersDecodeErrorZ* owner_conv = (LDKCResult_ChannelTransactionParametersDecodeErrorZ*)(owner & ~1);
        LDKChannelTransactionParameters ret_var = CResult_ChannelTransactionParametersDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1212,7 +1212,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransactionParametersDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelTransactionParametersDecodeErrorZ* owner_conv = (LDKCResult_ChannelTransactionParametersDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelTransactionParametersDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1230,7 +1230,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTransactionDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_HolderCommitmentTransactionDecodeErrorZ* owner_conv = (LDKCResult_HolderCommitmentTransactionDecodeErrorZ*)(owner & ~1);
        LDKHolderCommitmentTransaction ret_var = CResult_HolderCommitmentTransactionDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1248,7 +1248,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTransactionDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_HolderCommitmentTransactionDecodeErrorZ* owner_conv = (LDKCResult_HolderCommitmentTransactionDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_HolderCommitmentTransactionDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1266,7 +1266,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTransactionDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_BuiltCommitmentTransactionDecodeErrorZ* owner_conv = (LDKCResult_BuiltCommitmentTransactionDecodeErrorZ*)(owner & ~1);
        LDKBuiltCommitmentTransaction ret_var = CResult_BuiltCommitmentTransactionDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1284,7 +1284,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTransactionDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_BuiltCommitmentTransactionDecodeErrorZ* owner_conv = (LDKCResult_BuiltCommitmentTransactionDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_BuiltCommitmentTransactionDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1302,7 +1302,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedClosingTransactionNoneZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_TrustedClosingTransactionNoneZ* owner_conv = (LDKCResult_TrustedClosingTransactionNoneZ*)(owner & ~1);
        LDKTrustedClosingTransaction ret_var = *CResult_TrustedClosingTransactionNoneZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1326,7 +1326,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransactionDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CommitmentTransactionDecodeErrorZ* owner_conv = (LDKCResult_CommitmentTransactionDecodeErrorZ*)(owner & ~1);
        LDKCommitmentTransaction ret_var = CResult_CommitmentTransactionDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1344,7 +1344,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransactionDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CommitmentTransactionDecodeErrorZ* owner_conv = (LDKCResult_CommitmentTransactionDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_CommitmentTransactionDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1362,7 +1362,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedCommitmentTransactionNoneZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_TrustedCommitmentTransactionNoneZ* owner_conv = (LDKCResult_TrustedCommitmentTransactionNoneZ*)(owner & ~1);
        LDKTrustedCommitmentTransaction ret_var = *CResult_TrustedCommitmentTransactionNoneZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1414,7 +1414,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ShutdownScriptDecodeErrorZ* owner_conv = (LDKCResult_ShutdownScriptDecodeErrorZ*)(owner & ~1);
        LDKShutdownScript ret_var = CResult_ShutdownScriptDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1432,7 +1432,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ShutdownScriptDecodeErrorZ* owner_conv = (LDKCResult_ShutdownScriptDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ShutdownScriptDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1450,7 +1450,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* owner_conv = (LDKCResult_ShutdownScriptInvalidShutdownScriptZ*)(owner & ~1);
        LDKShutdownScript ret_var = CResult_ShutdownScriptInvalidShutdownScriptZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1468,7 +1468,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* owner_conv = (LDKCResult_ShutdownScriptInvalidShutdownScriptZ*)(owner & ~1);
        LDKInvalidShutdownScript ret_var = CResult_ShutdownScriptInvalidShutdownScriptZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1505,7 +1505,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteHopDecodeErrorZ* owner_conv = (LDKCResult_RouteHopDecodeErrorZ*)(owner & ~1);
        LDKRouteHop ret_var = CResult_RouteHopDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1523,7 +1523,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteHopDecodeErrorZ* owner_conv = (LDKCResult_RouteHopDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_RouteHopDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1555,7 +1555,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteDecodeErrorZ* owner_conv = (LDKCResult_RouteDecodeErrorZ*)(owner & ~1);
        LDKRoute ret_var = CResult_RouteDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1573,7 +1573,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteDecodeErrorZ* owner_conv = (LDKCResult_RouteDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_RouteDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1591,7 +1591,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteParametersDecodeErrorZ* owner_conv = (LDKCResult_RouteParametersDecodeErrorZ*)(owner & ~1);
        LDKRouteParameters ret_var = CResult_RouteParametersDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1609,7 +1609,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteParametersDecodeErrorZ* owner_conv = (LDKCResult_RouteParametersDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_RouteParametersDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1662,7 +1662,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PaymentParametersDecodeErrorZ* owner_conv = (LDKCResult_PaymentParametersDecodeErrorZ*)(owner & ~1);
        LDKPaymentParameters ret_var = CResult_PaymentParametersDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1680,7 +1680,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PaymentParametersDecodeErrorZ* owner_conv = (LDKCResult_PaymentParametersDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_PaymentParametersDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1705,7 +1705,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteHintDecodeErrorZ* owner_conv = (LDKCResult_RouteHintDecodeErrorZ*)(owner & ~1);
        LDKRouteHint ret_var = CResult_RouteHintDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1723,7 +1723,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteHintDecodeErrorZ* owner_conv = (LDKCResult_RouteHintDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_RouteHintDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1741,7 +1741,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteHintHopDecodeErrorZ* owner_conv = (LDKCResult_RouteHintHopDecodeErrorZ*)(owner & ~1);
        LDKRouteHintHop ret_var = CResult_RouteHintHopDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1759,7 +1759,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteHintHopDecodeErrorZ* owner_conv = (LDKCResult_RouteHintHopDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_RouteHintHopDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1784,7 +1784,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteLightningErrorZ* owner_conv = (LDKCResult_RouteLightningErrorZ*)(owner & ~1);
        LDKRoute ret_var = CResult_RouteLightningErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1802,7 +1802,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RouteLightningErrorZ* owner_conv = (LDKCResult_RouteLightningErrorZ*)(owner & ~1);
        LDKLightningError ret_var = CResult_RouteLightningErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -1821,7 +1821,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_
        LDKCResult_TxOutAccessErrorZ* owner_conv = (LDKCResult_TxOutAccessErrorZ*)(owner & ~1);
        LDKTxOut* ret_ref = MALLOC(sizeof(LDKTxOut), "LDKTxOut");
        *ret_ref = CResult_TxOutAccessErrorZ_get_ok(owner_conv);
-       return (uintptr_t)ret_ref;
+       return (int64_t)ret_ref;
 }
 
 static inline enum LDKAccessError CResult_TxOutAccessErrorZ_get_err(LDKCResult_TxOutAccessErrorZ *NONNULL_PTR owner){
@@ -1837,9 +1837,9 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_1
 static inline uintptr_t C2Tuple_usizeTransactionZ_get_a(LDKC2Tuple_usizeTransactionZ *NONNULL_PTR owner){
        return owner->a;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_1get_1a(JNIEnv *env, jclass clz, int64_t owner) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_1get_1a(JNIEnv *env, jclass clz, int64_t owner) {
        LDKC2Tuple_usizeTransactionZ* owner_conv = (LDKC2Tuple_usizeTransactionZ*)(owner & ~1);
-       intptr_t ret_val = C2Tuple_usizeTransactionZ_get_a(owner_conv);
+       int64_t ret_val = C2Tuple_usizeTransactionZ_get_a(owner_conv);
        return ret_val;
 }
 
@@ -1922,7 +1922,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMonitorEvent_1ref_1from_
        switch(obj->tag) {
                case LDKMonitorEvent_HTLCEvent: {
                        LDKHTLCUpdate htlc_event_var = obj->htlc_event;
-                       uintptr_t htlc_event_ref = 0;
+                       int64_t htlc_event_ref = 0;
                        CHECK((((uintptr_t)htlc_event_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&htlc_event_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(htlc_event_var);
@@ -1931,7 +1931,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMonitorEvent_1ref_1from_
                }
                case LDKMonitorEvent_CommitmentTxConfirmed: {
                        LDKOutPoint commitment_tx_confirmed_var = obj->commitment_tx_confirmed;
-                       uintptr_t commitment_tx_confirmed_ref = 0;
+                       int64_t commitment_tx_confirmed_ref = 0;
                        CHECK((((uintptr_t)commitment_tx_confirmed_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&commitment_tx_confirmed_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(commitment_tx_confirmed_var);
@@ -1940,7 +1940,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMonitorEvent_1ref_1from_
                }
                case LDKMonitorEvent_UpdateCompleted: {
                        LDKOutPoint funding_txo_var = obj->update_completed.funding_txo;
-                       uintptr_t funding_txo_ref = 0;
+                       int64_t funding_txo_ref = 0;
                        CHECK((((uintptr_t)funding_txo_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&funding_txo_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(funding_txo_var);
@@ -1949,7 +1949,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMonitorEvent_1ref_1from_
                }
                case LDKMonitorEvent_UpdateFailed: {
                        LDKOutPoint update_failed_var = obj->update_failed;
-                       uintptr_t update_failed_ref = 0;
+                       int64_t update_failed_ref = 0;
                        CHECK((((uintptr_t)update_failed_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&update_failed_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(update_failed_var);
@@ -1989,7 +1989,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKCOption_1C2Tuple_1usizeT
                        LDKC2Tuple_usizeTransactionZ* some_conv = MALLOC(sizeof(LDKC2Tuple_usizeTransactionZ), "LDKC2Tuple_usizeTransactionZ");
                        *some_conv = obj->some;
                        *some_conv = C2Tuple_usizeTransactionZ_clone(some_conv);
-                       return (*env)->NewObject(env, LDKCOption_C2Tuple_usizeTransactionZZ_Some_class, LDKCOption_C2Tuple_usizeTransactionZZ_Some_meth, ((uintptr_t)some_conv));
+                       return (*env)->NewObject(env, LDKCOption_C2Tuple_usizeTransactionZZ_Some_class, LDKCOption_C2Tuple_usizeTransactionZZ_Some_meth, ((int64_t)some_conv));
                }
                case LDKCOption_C2Tuple_usizeTransactionZZ_None: {
                        return (*env)->NewObject(env, LDKCOption_C2Tuple_usizeTransactionZZ_None_class, LDKCOption_C2Tuple_usizeTransactionZZ_None_meth);
@@ -2109,7 +2109,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKCOption_1ClosureReasonZ_
        LDKCOption_ClosureReasonZ *obj = (LDKCOption_ClosureReasonZ*)(ptr & ~1);
        switch(obj->tag) {
                case LDKCOption_ClosureReasonZ_Some: {
-                       uintptr_t some_ref = ((uintptr_t)&obj->some) | 1;
+                       int64_t some_ref = ((uintptr_t)&obj->some) | 1;
                        return (*env)->NewObject(env, LDKCOption_ClosureReasonZ_Some_class, LDKCOption_ClosureReasonZ_Some_meth, some_ref);
                }
                case LDKCOption_ClosureReasonZ_None: {
@@ -2126,7 +2126,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureRe
        LDKCResult_COption_ClosureReasonZDecodeErrorZ* owner_conv = (LDKCResult_COption_ClosureReasonZDecodeErrorZ*)(owner & ~1);
        LDKCOption_ClosureReasonZ *ret_copy = MALLOC(sizeof(LDKCOption_ClosureReasonZ), "LDKCOption_ClosureReasonZ");
        *ret_copy = CResult_COption_ClosureReasonZDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -2137,7 +2137,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureReasonZDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_COption_ClosureReasonZDecodeErrorZ* owner_conv = (LDKCResult_COption_ClosureReasonZDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_COption_ClosureReasonZDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -2176,7 +2176,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKNetworkUpdate_1ref_1from
        switch(obj->tag) {
                case LDKNetworkUpdate_ChannelUpdateMessage: {
                        LDKChannelUpdate msg_var = obj->channel_update_message.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2214,7 +2214,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKCOption_1NetworkUpdateZ_
        LDKCOption_NetworkUpdateZ *obj = (LDKCOption_NetworkUpdateZ*)(ptr & ~1);
        switch(obj->tag) {
                case LDKCOption_NetworkUpdateZ_Some: {
-                       uintptr_t some_ref = ((uintptr_t)&obj->some) | 1;
+                       int64_t some_ref = ((uintptr_t)&obj->some) | 1;
                        return (*env)->NewObject(env, LDKCOption_NetworkUpdateZ_Some_class, LDKCOption_NetworkUpdateZ_Some_meth, some_ref);
                }
                case LDKCOption_NetworkUpdateZ_None: {
@@ -2251,17 +2251,17 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKSpendableOutputDescripto
        switch(obj->tag) {
                case LDKSpendableOutputDescriptor_StaticOutput: {
                        LDKOutPoint outpoint_var = obj->static_output.outpoint;
-                       uintptr_t outpoint_ref = 0;
+                       int64_t outpoint_ref = 0;
                        CHECK((((uintptr_t)outpoint_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&outpoint_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(outpoint_var);
                        outpoint_ref = (uintptr_t)outpoint_var.inner & ~1;
-                       uintptr_t output_ref = ((uintptr_t)&obj->static_output.output) | 1;
-                       return (*env)->NewObject(env, LDKSpendableOutputDescriptor_StaticOutput_class, LDKSpendableOutputDescriptor_StaticOutput_meth, outpoint_ref, (uintptr_t)output_ref);
+                       int64_t output_ref = ((uintptr_t)&obj->static_output.output) | 1;
+                       return (*env)->NewObject(env, LDKSpendableOutputDescriptor_StaticOutput_class, LDKSpendableOutputDescriptor_StaticOutput_meth, outpoint_ref, (int64_t)output_ref);
                }
                case LDKSpendableOutputDescriptor_DelayedPaymentOutput: {
                        LDKDelayedPaymentOutputDescriptor delayed_payment_output_var = obj->delayed_payment_output;
-                       uintptr_t delayed_payment_output_ref = 0;
+                       int64_t delayed_payment_output_ref = 0;
                        CHECK((((uintptr_t)delayed_payment_output_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&delayed_payment_output_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(delayed_payment_output_var);
@@ -2270,7 +2270,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKSpendableOutputDescripto
                }
                case LDKSpendableOutputDescriptor_StaticPaymentOutput: {
                        LDKStaticPaymentOutputDescriptor static_payment_output_var = obj->static_payment_output;
-                       uintptr_t static_payment_output_ref = 0;
+                       int64_t static_payment_output_ref = 0;
                        CHECK((((uintptr_t)static_payment_output_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&static_payment_output_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(static_payment_output_var);
@@ -2421,7 +2421,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKEvent_1ref_1from_1ptr(JN
                case LDKEvent_PaymentReceived: {
                        int8_tArray payment_hash_arr = (*env)->NewByteArray(env, 32);
                        (*env)->SetByteArrayRegion(env, payment_hash_arr, 0, 32, obj->payment_received.payment_hash.data);
-                       uintptr_t purpose_ref = ((uintptr_t)&obj->payment_received.purpose) | 1;
+                       int64_t purpose_ref = ((uintptr_t)&obj->payment_received.purpose) | 1;
                        return (*env)->NewObject(env, LDKEvent_PaymentReceived_class, LDKEvent_PaymentReceived_meth, payment_hash_arr, obj->payment_received.amt, purpose_ref);
                }
                case LDKEvent_PaymentSent: {
@@ -2431,7 +2431,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKEvent_1ref_1from_1ptr(JN
                        (*env)->SetByteArrayRegion(env, payment_preimage_arr, 0, 32, obj->payment_sent.payment_preimage.data);
                        int8_tArray payment_hash_arr = (*env)->NewByteArray(env, 32);
                        (*env)->SetByteArrayRegion(env, payment_hash_arr, 0, 32, obj->payment_sent.payment_hash.data);
-                       uintptr_t fee_paid_msat_ref = ((uintptr_t)&obj->payment_sent.fee_paid_msat) | 1;
+                       int64_t fee_paid_msat_ref = ((uintptr_t)&obj->payment_sent.fee_paid_msat) | 1;
                        return (*env)->NewObject(env, LDKEvent_PaymentSent_class, LDKEvent_PaymentSent_meth, payment_id_arr, payment_preimage_arr, payment_hash_arr, fee_paid_msat_ref);
                }
                case LDKEvent_PaymentPathFailed: {
@@ -2439,14 +2439,14 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKEvent_1ref_1from_1ptr(JN
                        (*env)->SetByteArrayRegion(env, payment_id_arr, 0, 32, obj->payment_path_failed.payment_id.data);
                        int8_tArray payment_hash_arr = (*env)->NewByteArray(env, 32);
                        (*env)->SetByteArrayRegion(env, payment_hash_arr, 0, 32, obj->payment_path_failed.payment_hash.data);
-                       uintptr_t network_update_ref = ((uintptr_t)&obj->payment_path_failed.network_update) | 1;
+                       int64_t network_update_ref = ((uintptr_t)&obj->payment_path_failed.network_update) | 1;
                        LDKCVec_RouteHopZ path_var = obj->payment_path_failed.path;
                        int64_tArray path_arr = NULL;
                        path_arr = (*env)->NewLongArray(env, path_var.datalen);
                        int64_t *path_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, path_arr, NULL);
                        for (size_t k = 0; k < path_var.datalen; k++) {
                                LDKRouteHop path_conv_10_var = path_var.data[k];
-                               uintptr_t path_conv_10_ref = 0;
+                               int64_t path_conv_10_ref = 0;
                                CHECK((((uintptr_t)path_conv_10_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                                CHECK((((uintptr_t)&path_conv_10_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                                CHECK_INNER_FIELD_ACCESS_OR_NULL(path_conv_10_var);
@@ -2454,9 +2454,9 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKEvent_1ref_1from_1ptr(JN
                                path_arr_ptr[k] = path_conv_10_ref;
                        }
                        (*env)->ReleasePrimitiveArrayCritical(env, path_arr, path_arr_ptr, 0);
-                       uintptr_t short_channel_id_ref = ((uintptr_t)&obj->payment_path_failed.short_channel_id) | 1;
+                       int64_t short_channel_id_ref = ((uintptr_t)&obj->payment_path_failed.short_channel_id) | 1;
                        LDKRouteParameters retry_var = obj->payment_path_failed.retry;
-                       uintptr_t retry_ref = 0;
+                       int64_t retry_ref = 0;
                        if ((uintptr_t)retry_var.inner > 4096) {
                                CHECK((((uintptr_t)retry_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                                CHECK((((uintptr_t)&retry_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -2481,20 +2481,20 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKEvent_1ref_1from_1ptr(JN
                        outputs_arr = (*env)->NewLongArray(env, outputs_var.datalen);
                        int64_t *outputs_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, outputs_arr, NULL);
                        for (size_t b = 0; b < outputs_var.datalen; b++) {
-                               uintptr_t outputs_conv_27_ref = ((uintptr_t)&outputs_var.data[b]) | 1;
+                               int64_t outputs_conv_27_ref = ((uintptr_t)&outputs_var.data[b]) | 1;
                                outputs_arr_ptr[b] = outputs_conv_27_ref;
                        }
                        (*env)->ReleasePrimitiveArrayCritical(env, outputs_arr, outputs_arr_ptr, 0);
                        return (*env)->NewObject(env, LDKEvent_SpendableOutputs_class, LDKEvent_SpendableOutputs_meth, outputs_arr);
                }
                case LDKEvent_PaymentForwarded: {
-                       uintptr_t fee_earned_msat_ref = ((uintptr_t)&obj->payment_forwarded.fee_earned_msat) | 1;
+                       int64_t fee_earned_msat_ref = ((uintptr_t)&obj->payment_forwarded.fee_earned_msat) | 1;
                        return (*env)->NewObject(env, LDKEvent_PaymentForwarded_class, LDKEvent_PaymentForwarded_meth, fee_earned_msat_ref, obj->payment_forwarded.claim_from_onchain_tx);
                }
                case LDKEvent_ChannelClosed: {
                        int8_tArray channel_id_arr = (*env)->NewByteArray(env, 32);
                        (*env)->SetByteArrayRegion(env, channel_id_arr, 0, 32, obj->channel_closed.channel_id.data);
-                       uintptr_t reason_ref = ((uintptr_t)&obj->channel_closed.reason) | 1;
+                       int64_t reason_ref = ((uintptr_t)&obj->channel_closed.reason) | 1;
                        return (*env)->NewObject(env, LDKEvent_ChannelClosed_class, LDKEvent_ChannelClosed_meth, channel_id_arr, obj->channel_closed.user_channel_id, reason_ref);
                }
                case LDKEvent_DiscardFunding: {
@@ -2516,7 +2516,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKEvent_1ref_1from_1ptr(JN
                        int64_t *path_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, path_arr, NULL);
                        for (size_t k = 0; k < path_var.datalen; k++) {
                                LDKRouteHop path_conv_10_var = path_var.data[k];
-                               uintptr_t path_conv_10_ref = 0;
+                               int64_t path_conv_10_ref = 0;
                                CHECK((((uintptr_t)path_conv_10_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                                CHECK((((uintptr_t)&path_conv_10_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                                CHECK_INNER_FIELD_ACCESS_OR_NULL(path_conv_10_var);
@@ -2556,7 +2556,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKCOption_1EventZ_1ref_1fr
        LDKCOption_EventZ *obj = (LDKCOption_EventZ*)(ptr & ~1);
        switch(obj->tag) {
                case LDKCOption_EventZ_Some: {
-                       uintptr_t some_ref = ((uintptr_t)&obj->some) | 1;
+                       int64_t some_ref = ((uintptr_t)&obj->some) | 1;
                        return (*env)->NewObject(env, LDKCOption_EventZ_Some_class, LDKCOption_EventZ_Some_meth, some_ref);
                }
                case LDKCOption_EventZ_None: {
@@ -2573,7 +2573,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDec
        LDKCResult_COption_EventZDecodeErrorZ* owner_conv = (LDKCResult_COption_EventZDecodeErrorZ*)(owner & ~1);
        LDKCOption_EventZ *ret_copy = MALLOC(sizeof(LDKCOption_EventZ), "LDKCOption_EventZ");
        *ret_copy = CResult_COption_EventZDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -2584,7 +2584,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_COption_EventZDecodeErrorZ* owner_conv = (LDKCResult_COption_EventZDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_COption_EventZDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -2644,7 +2644,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKErrorAction_1ref_1from_1
        switch(obj->tag) {
                case LDKErrorAction_DisconnectPeer: {
                        LDKErrorMessage msg_var = obj->disconnect_peer.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        if ((uintptr_t)msg_var.inner > 4096) {
                                CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                                CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -2665,7 +2665,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKErrorAction_1ref_1from_1
                }
                case LDKErrorAction_SendErrorMessage: {
                        LDKErrorMessage msg_var = obj->send_error_message.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2674,7 +2674,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKErrorAction_1ref_1from_1
                }
                case LDKErrorAction_SendWarningMessage: {
                        LDKWarningMessage msg_var = obj->send_warning_message.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2827,7 +2827,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_accept_channel.node_id.compressed_form);
                        LDKAcceptChannel msg_var = obj->send_accept_channel.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2838,7 +2838,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_open_channel.node_id.compressed_form);
                        LDKOpenChannel msg_var = obj->send_open_channel.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2849,7 +2849,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_funding_created.node_id.compressed_form);
                        LDKFundingCreated msg_var = obj->send_funding_created.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2860,7 +2860,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_funding_signed.node_id.compressed_form);
                        LDKFundingSigned msg_var = obj->send_funding_signed.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2871,7 +2871,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_funding_locked.node_id.compressed_form);
                        LDKFundingLocked msg_var = obj->send_funding_locked.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2882,7 +2882,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_announcement_signatures.node_id.compressed_form);
                        LDKAnnouncementSignatures msg_var = obj->send_announcement_signatures.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2893,7 +2893,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->update_htl_cs.node_id.compressed_form);
                        LDKCommitmentUpdate updates_var = obj->update_htl_cs.updates;
-                       uintptr_t updates_ref = 0;
+                       int64_t updates_ref = 0;
                        CHECK((((uintptr_t)updates_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&updates_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(updates_var);
@@ -2904,7 +2904,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_revoke_and_ack.node_id.compressed_form);
                        LDKRevokeAndACK msg_var = obj->send_revoke_and_ack.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2915,7 +2915,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_closing_signed.node_id.compressed_form);
                        LDKClosingSigned msg_var = obj->send_closing_signed.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2926,7 +2926,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_shutdown.node_id.compressed_form);
                        LDKShutdown msg_var = obj->send_shutdown.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2937,7 +2937,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_channel_reestablish.node_id.compressed_form);
                        LDKChannelReestablish msg_var = obj->send_channel_reestablish.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2946,13 +2946,13 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                }
                case LDKMessageSendEvent_BroadcastChannelAnnouncement: {
                        LDKChannelAnnouncement msg_var = obj->broadcast_channel_announcement.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
                        msg_ref = (uintptr_t)msg_var.inner & ~1;
                        LDKChannelUpdate update_msg_var = obj->broadcast_channel_announcement.update_msg;
-                       uintptr_t update_msg_ref = 0;
+                       int64_t update_msg_ref = 0;
                        CHECK((((uintptr_t)update_msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&update_msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(update_msg_var);
@@ -2961,7 +2961,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                }
                case LDKMessageSendEvent_BroadcastNodeAnnouncement: {
                        LDKNodeAnnouncement msg_var = obj->broadcast_node_announcement.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2970,7 +2970,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                }
                case LDKMessageSendEvent_BroadcastChannelUpdate: {
                        LDKChannelUpdate msg_var = obj->broadcast_channel_update.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2981,7 +2981,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_channel_update.node_id.compressed_form);
                        LDKChannelUpdate msg_var = obj->send_channel_update.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -2991,14 +2991,14 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                case LDKMessageSendEvent_HandleError: {
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->handle_error.node_id.compressed_form);
-                       uintptr_t action_ref = ((uintptr_t)&obj->handle_error.action) | 1;
+                       int64_t action_ref = ((uintptr_t)&obj->handle_error.action) | 1;
                        return (*env)->NewObject(env, LDKMessageSendEvent_HandleError_class, LDKMessageSendEvent_HandleError_meth, node_id_arr, action_ref);
                }
                case LDKMessageSendEvent_SendChannelRangeQuery: {
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_channel_range_query.node_id.compressed_form);
                        LDKQueryChannelRange msg_var = obj->send_channel_range_query.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -3009,7 +3009,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_short_ids_query.node_id.compressed_form);
                        LDKQueryShortChannelIds msg_var = obj->send_short_ids_query.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -3020,7 +3020,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEvent_1ref_1f
                        int8_tArray node_id_arr = (*env)->NewByteArray(env, 33);
                        (*env)->SetByteArrayRegion(env, node_id_arr, 0, 33, obj->send_reply_channel_range.node_id.compressed_form);
                        LDKReplyChannelRange msg_var = obj->send_reply_channel_range.msg;
-                       uintptr_t msg_ref = 0;
+                       int64_t msg_ref = 0;
                        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -3044,7 +3044,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorerDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_FixedPenaltyScorerDecodeErrorZ* owner_conv = (LDKCResult_FixedPenaltyScorerDecodeErrorZ*)(owner & ~1);
        LDKFixedPenaltyScorer ret_var = CResult_FixedPenaltyScorerDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3062,7 +3062,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorerDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_FixedPenaltyScorerDecodeErrorZ* owner_conv = (LDKCResult_FixedPenaltyScorerDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_FixedPenaltyScorerDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3080,7 +3080,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ScoringParametersDecodeErrorZ* owner_conv = (LDKCResult_ScoringParametersDecodeErrorZ*)(owner & ~1);
        LDKScoringParameters ret_var = CResult_ScoringParametersDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3098,7 +3098,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ScoringParametersDecodeErrorZ* owner_conv = (LDKCResult_ScoringParametersDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ScoringParametersDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3116,7 +3116,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScorerDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ScorerDecodeErrorZ* owner_conv = (LDKCResult_ScorerDecodeErrorZ*)(owner & ~1);
        LDKScorer ret_var = *CResult_ScorerDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3131,7 +3131,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScorerDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ScorerDecodeErrorZ* owner_conv = (LDKCResult_ScorerDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ScorerDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3149,7 +3149,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScoringParametersDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ProbabilisticScoringParametersDecodeErrorZ* owner_conv = (LDKCResult_ProbabilisticScoringParametersDecodeErrorZ*)(owner & ~1);
        LDKProbabilisticScoringParameters ret_var = CResult_ProbabilisticScoringParametersDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3167,7 +3167,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScoringParametersDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ProbabilisticScoringParametersDecodeErrorZ* owner_conv = (LDKCResult_ProbabilisticScoringParametersDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ProbabilisticScoringParametersDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3185,7 +3185,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitFeaturesDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InitFeaturesDecodeErrorZ* owner_conv = (LDKCResult_InitFeaturesDecodeErrorZ*)(owner & ~1);
        LDKInitFeatures ret_var = CResult_InitFeaturesDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3203,7 +3203,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitFeaturesDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InitFeaturesDecodeErrorZ* owner_conv = (LDKCResult_InitFeaturesDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_InitFeaturesDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3221,7 +3221,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelFeaturesDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelFeaturesDecodeErrorZ* owner_conv = (LDKCResult_ChannelFeaturesDecodeErrorZ*)(owner & ~1);
        LDKChannelFeatures ret_var = CResult_ChannelFeaturesDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3239,7 +3239,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelFeaturesDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelFeaturesDecodeErrorZ* owner_conv = (LDKCResult_ChannelFeaturesDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelFeaturesDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3257,7 +3257,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeFeaturesDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeFeaturesDecodeErrorZ* owner_conv = (LDKCResult_NodeFeaturesDecodeErrorZ*)(owner & ~1);
        LDKNodeFeatures ret_var = CResult_NodeFeaturesDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3275,7 +3275,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeFeaturesDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeFeaturesDecodeErrorZ* owner_conv = (LDKCResult_NodeFeaturesDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_NodeFeaturesDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3293,7 +3293,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceFeaturesDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InvoiceFeaturesDecodeErrorZ* owner_conv = (LDKCResult_InvoiceFeaturesDecodeErrorZ*)(owner & ~1);
        LDKInvoiceFeatures ret_var = CResult_InvoiceFeaturesDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3311,7 +3311,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceFeaturesDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InvoiceFeaturesDecodeErrorZ* owner_conv = (LDKCResult_InvoiceFeaturesDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_InvoiceFeaturesDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3329,7 +3329,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTypeFeaturesDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelTypeFeaturesDecodeErrorZ* owner_conv = (LDKCResult_ChannelTypeFeaturesDecodeErrorZ*)(owner & ~1);
        LDKChannelTypeFeatures ret_var = CResult_ChannelTypeFeaturesDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3347,7 +3347,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTypeFeaturesDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelTypeFeaturesDecodeErrorZ* owner_conv = (LDKCResult_ChannelTypeFeaturesDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelTypeFeaturesDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3365,7 +3365,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutputDescriptorDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ* owner_conv = (LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ*)(owner & ~1);
        LDKDelayedPaymentOutputDescriptor ret_var = CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3383,7 +3383,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutputDescriptorDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ* owner_conv = (LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3401,7 +3401,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutputDescriptorDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ* owner_conv = (LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ*)(owner & ~1);
        LDKStaticPaymentOutputDescriptor ret_var = CResult_StaticPaymentOutputDescriptorDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3419,7 +3419,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutputDescriptorDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ* owner_conv = (LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_StaticPaymentOutputDescriptorDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3438,7 +3438,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDes
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* owner_conv = (LDKCResult_SpendableOutputDescriptorDecodeErrorZ*)(owner & ~1);
        LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
        *ret_copy = CResult_SpendableOutputDescriptorDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -3449,7 +3449,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDescriptorDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* owner_conv = (LDKCResult_SpendableOutputDescriptorDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_SpendableOutputDescriptorDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -3503,7 +3503,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1Signature
        LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ* owner_conv = (LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(owner & ~1);
        LDKC2Tuple_SignatureCVec_SignatureZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_SignatureCVec_SignatureZZ), "LDKC2Tuple_SignatureCVec_SignatureZZ");
        *ret_conv = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_get_ok(owner_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 static inline void CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_get_err(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ *NONNULL_PTR owner){
@@ -3563,7 +3563,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1Signature
        LDKCResult_C2Tuple_SignatureSignatureZNoneZ* owner_conv = (LDKCResult_C2Tuple_SignatureSignatureZNoneZ*)(owner & ~1);
        LDKC2Tuple_SignatureSignatureZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_SignatureSignatureZ), "LDKC2Tuple_SignatureSignatureZ");
        *ret_conv = CResult_C2Tuple_SignatureSignatureZNoneZ_get_ok(owner_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 static inline void CResult_C2Tuple_SignatureSignatureZNoneZ_get_err(LDKCResult_C2Tuple_SignatureSignatureZNoneZ *NONNULL_PTR owner){
@@ -3688,7 +3688,7 @@ LDKCResult_NoneNoneZ validate_holder_commitment_LDKBaseSign_jcall(const void* th
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKHolderCommitmentTransaction holder_tx_var = *holder_tx;
-       uintptr_t holder_tx_ref = 0;
+       int64_t holder_tx_ref = 0;
        holder_tx_var = HolderCommitmentTransaction_clone(holder_tx);
        CHECK((((uintptr_t)holder_tx_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&holder_tx_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -3758,7 +3758,7 @@ LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_counterparty_commitment_L
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKCommitmentTransaction commitment_tx_var = *commitment_tx;
-       uintptr_t commitment_tx_ref = 0;
+       int64_t commitment_tx_ref = 0;
        commitment_tx_var = CommitmentTransaction_clone(commitment_tx);
        CHECK((((uintptr_t)commitment_tx_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&commitment_tx_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -3831,7 +3831,7 @@ LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_holder_commitment_and_htl
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKHolderCommitmentTransaction commitment_tx_var = *commitment_tx;
-       uintptr_t commitment_tx_ref = 0;
+       int64_t commitment_tx_ref = 0;
        commitment_tx_var = HolderCommitmentTransaction_clone(commitment_tx);
        CHECK((((uintptr_t)commitment_tx_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&commitment_tx_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -3903,7 +3903,7 @@ LDKCResult_SignatureNoneZ sign_justice_revoked_htlc_LDKBaseSign_jcall(const void
        int8_tArray per_commitment_key_arr = (*env)->NewByteArray(env, 32);
        (*env)->SetByteArrayRegion(env, per_commitment_key_arr, 0, 32, *per_commitment_key);
        LDKHTLCOutputInCommitment htlc_var = *htlc;
-       uintptr_t htlc_ref = 0;
+       int64_t htlc_ref = 0;
        htlc_var = HTLCOutputInCommitment_clone(htlc);
        CHECK((((uintptr_t)htlc_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&htlc_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -3944,7 +3944,7 @@ LDKCResult_SignatureNoneZ sign_counterparty_htlc_transaction_LDKBaseSign_jcall(c
        int8_tArray per_commitment_point_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, per_commitment_point_arr, 0, 33, per_commitment_point.compressed_form);
        LDKHTLCOutputInCommitment htlc_var = *htlc;
-       uintptr_t htlc_ref = 0;
+       int64_t htlc_ref = 0;
        htlc_var = HTLCOutputInCommitment_clone(htlc);
        CHECK((((uintptr_t)htlc_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&htlc_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -3979,7 +3979,7 @@ LDKCResult_SignatureNoneZ sign_closing_transaction_LDKBaseSign_jcall(const void*
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKClosingTransaction closing_tx_var = *closing_tx;
-       uintptr_t closing_tx_ref = 0;
+       int64_t closing_tx_ref = 0;
        closing_tx_var = ClosingTransaction_clone(closing_tx);
        CHECK((((uintptr_t)closing_tx_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&closing_tx_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -4014,7 +4014,7 @@ LDKCResult_C2Tuple_SignatureSignatureZNoneZ sign_channel_announcement_LDKBaseSig
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKUnsignedChannelAnnouncement msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = UnsignedChannelAnnouncement_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -4049,7 +4049,7 @@ void ready_channel_LDKBaseSign_jcall(void* this_arg, const LDKChannelTransaction
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKChannelTransactionParameters channel_parameters_var = *channel_parameters;
-       uintptr_t channel_parameters_ref = 0;
+       int64_t channel_parameters_ref = 0;
        channel_parameters_var = ChannelTransactionParameters_clone(channel_parameters);
        CHECK((((uintptr_t)channel_parameters_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&channel_parameters_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -4175,7 +4175,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1validate_1holder_
        }
        LDKCResult_NoneNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneNoneZ), "LDKCResult_NoneNoneZ");
        *ret_conv = (this_arg_conv->validate_holder_commitment)(this_arg_conv->this_arg, &holder_tx_conv, preimages_constr);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_BaseSign_1channel_1keys_1id(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -4210,7 +4210,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1counterpart
        }
        LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ), "LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ");
        *ret_conv = (this_arg_conv->sign_counterparty_commitment)(this_arg_conv->this_arg, &commitment_tx_conv, preimages_constr);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1validate_1counterparty_1revocation(JNIEnv *env, jclass clz, int64_t this_arg, int64_t idx, int8_tArray secret) {
@@ -4223,7 +4223,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1validate_1counter
        unsigned char (*secret_ref)[32] = &secret_arr;
        LDKCResult_NoneNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneNoneZ), "LDKCResult_NoneNoneZ");
        *ret_conv = (this_arg_conv->validate_counterparty_revocation)(this_arg_conv->this_arg, idx, secret_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1holder_1commitment_1and_1htlcs(JNIEnv *env, jclass clz, int64_t this_arg, int64_t commitment_tx) {
@@ -4236,10 +4236,10 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1holder_1com
        CHECK_INNER_FIELD_ACCESS_OR_NULL(commitment_tx_conv);
        LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ), "LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ");
        *ret_conv = (this_arg_conv->sign_holder_commitment_and_htlcs)(this_arg_conv->this_arg, &commitment_tx_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1justice_1revoked_1output(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray justice_tx, intptr_t input, int64_t amount, int8_tArray per_commitment_key) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1justice_1revoked_1output(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray justice_tx, int64_t input, int64_t amount, int8_tArray per_commitment_key) {
        void* this_arg_ptr = (void*)(((uintptr_t)this_arg) & ~1);
        if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
        LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
@@ -4254,10 +4254,10 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1justice_1re
        unsigned char (*per_commitment_key_ref)[32] = &per_commitment_key_arr;
        LDKCResult_SignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignatureNoneZ), "LDKCResult_SignatureNoneZ");
        *ret_conv = (this_arg_conv->sign_justice_revoked_output)(this_arg_conv->this_arg, justice_tx_ref, input, amount, per_commitment_key_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1justice_1revoked_1htlc(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray justice_tx, intptr_t input, int64_t amount, int8_tArray per_commitment_key, int64_t htlc) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1justice_1revoked_1htlc(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray justice_tx, int64_t input, int64_t amount, int8_tArray per_commitment_key, int64_t htlc) {
        void* this_arg_ptr = (void*)(((uintptr_t)this_arg) & ~1);
        if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
        LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
@@ -4276,10 +4276,10 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1justice_1re
        CHECK_INNER_FIELD_ACCESS_OR_NULL(htlc_conv);
        LDKCResult_SignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignatureNoneZ), "LDKCResult_SignatureNoneZ");
        *ret_conv = (this_arg_conv->sign_justice_revoked_htlc)(this_arg_conv->this_arg, justice_tx_ref, input, amount, per_commitment_key_ref, &htlc_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1counterparty_1htlc_1transaction(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray htlc_tx, intptr_t input, int64_t amount, int8_tArray per_commitment_point, int64_t htlc) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1counterparty_1htlc_1transaction(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray htlc_tx, int64_t input, int64_t amount, int8_tArray per_commitment_point, int64_t htlc) {
        void* this_arg_ptr = (void*)(((uintptr_t)this_arg) & ~1);
        if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
        LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
@@ -4297,7 +4297,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1counterpart
        CHECK_INNER_FIELD_ACCESS_OR_NULL(htlc_conv);
        LDKCResult_SignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignatureNoneZ), "LDKCResult_SignatureNoneZ");
        *ret_conv = (this_arg_conv->sign_counterparty_htlc_transaction)(this_arg_conv->this_arg, htlc_tx_ref, input, amount, per_commitment_point_ref, &htlc_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1closing_1transaction(JNIEnv *env, jclass clz, int64_t this_arg, int64_t closing_tx) {
@@ -4310,7 +4310,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1closing_1tr
        CHECK_INNER_FIELD_ACCESS_OR_NULL(closing_tx_conv);
        LDKCResult_SignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignatureNoneZ), "LDKCResult_SignatureNoneZ");
        *ret_conv = (this_arg_conv->sign_closing_transaction)(this_arg_conv->this_arg, &closing_tx_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1channel_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
@@ -4323,7 +4323,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1channel_1an
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_conv);
        LDKCResult_C2Tuple_SignatureSignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureSignatureZNoneZ), "LDKCResult_C2Tuple_SignatureSignatureZNoneZ");
        *ret_conv = (this_arg_conv->sign_channel_announcement)(this_arg_conv->this_arg, &msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BaseSign_1ready_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int64_t channel_parameters) {
@@ -4347,7 +4347,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1get_1pubkeys(JNIE
        if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
        LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKChannelPublicKeys ret_var = LDKBaseSign_set_get_pubkeys(this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -4467,7 +4467,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1
        LDKCResult_SignDecodeErrorZ* owner_conv = (LDKCResult_SignDecodeErrorZ*)(owner & ~1);
        LDKSign* ret_ret = MALLOC(sizeof(LDKSign), "LDKSign");
        *ret_ret = CResult_SignDecodeErrorZ_get_ok(owner_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 static inline struct LDKDecodeError CResult_SignDecodeErrorZ_get_err(LDKCResult_SignDecodeErrorZ *NONNULL_PTR owner){
@@ -4477,7 +4477,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_SignDecodeErrorZ* owner_conv = (LDKCResult_SignDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_SignDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -4553,7 +4553,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InMemorySignerDecodeErrorZ* owner_conv = (LDKCResult_InMemorySignerDecodeErrorZ*)(owner & ~1);
        LDKInMemorySigner ret_var = CResult_InMemorySignerDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -4571,7 +4571,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InMemorySignerDecodeErrorZ* owner_conv = (LDKCResult_InMemorySignerDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_InMemorySignerDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -4626,7 +4626,7 @@ static inline struct LDKChannelMonitor C2Tuple_BlockHashChannelMonitorZ_get_b(LD
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMonitorZ_1get_1b(JNIEnv *env, jclass clz, int64_t owner) {
        LDKC2Tuple_BlockHashChannelMonitorZ* owner_conv = (LDKC2Tuple_BlockHashChannelMonitorZ*)(owner & ~1);
        LDKChannelMonitor ret_var = C2Tuple_BlockHashChannelMonitorZ_get_b(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -4657,7 +4657,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple
        for (size_t j = 0; j < ret_var.datalen; j++) {
                LDKC2Tuple_BlockHashChannelMonitorZ* ret_conv_35_conv = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelMonitorZ), "LDKC2Tuple_BlockHashChannelMonitorZ");
                *ret_conv_35_conv = ret_var.data[j];
-               ret_arr_ptr[j] = ((uintptr_t)ret_conv_35_conv);
+               ret_arr_ptr[j] = ((int64_t)ret_conv_35_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
        FREE(ret_var.data);
@@ -4774,7 +4774,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKAPIError_1ref_1from_1ptr
                }
                case LDKAPIError_IncompatibleShutdownScript: {
                        LDKShutdownScript script_var = obj->incompatible_shutdown_script.script;
-                       uintptr_t script_ref = 0;
+                       int64_t script_ref = 0;
                        CHECK((((uintptr_t)script_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&script_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(script_var);
@@ -4801,7 +4801,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1get
        LDKCResult_NoneAPIErrorZ* owner_conv = (LDKCResult_NoneAPIErrorZ*)(owner & ~1);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = CResult_NoneAPIErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -4838,7 +4838,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1g
        LDKCResult__u832APIErrorZ* owner_conv = (LDKCResult__u832APIErrorZ*)(owner & ~1);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = CResult__u832APIErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -4876,7 +4876,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKPaymentSendFailure_1ref_
        LDKPaymentSendFailure *obj = (LDKPaymentSendFailure*)(ptr & ~1);
        switch(obj->tag) {
                case LDKPaymentSendFailure_ParameterError: {
-                       uintptr_t parameter_error_ref = ((uintptr_t)&obj->parameter_error) | 1;
+                       int64_t parameter_error_ref = ((uintptr_t)&obj->parameter_error) | 1;
                        return (*env)->NewObject(env, LDKPaymentSendFailure_ParameterError_class, LDKPaymentSendFailure_ParameterError_meth, parameter_error_ref);
                }
                case LDKPaymentSendFailure_PathParameterError: {
@@ -4888,7 +4888,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKPaymentSendFailure_1ref_
                                LDKCResult_NoneAPIErrorZ* path_parameter_error_conv_22_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
                                *path_parameter_error_conv_22_conv = path_parameter_error_var.data[w];
                                *path_parameter_error_conv_22_conv = CResult_NoneAPIErrorZ_clone(path_parameter_error_conv_22_conv);
-                               path_parameter_error_arr_ptr[w] = (uintptr_t)path_parameter_error_conv_22_conv;
+                               path_parameter_error_arr_ptr[w] = (int64_t)path_parameter_error_conv_22_conv;
                        }
                        (*env)->ReleasePrimitiveArrayCritical(env, path_parameter_error_arr, path_parameter_error_arr_ptr, 0);
                        return (*env)->NewObject(env, LDKPaymentSendFailure_PathParameterError_class, LDKPaymentSendFailure_PathParameterError_meth, path_parameter_error_arr);
@@ -4899,7 +4899,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKPaymentSendFailure_1ref_
                        all_failed_retry_safe_arr = (*env)->NewLongArray(env, all_failed_retry_safe_var.datalen);
                        int64_t *all_failed_retry_safe_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, all_failed_retry_safe_arr, NULL);
                        for (size_t k = 0; k < all_failed_retry_safe_var.datalen; k++) {
-                               uintptr_t all_failed_retry_safe_conv_10_ref = ((uintptr_t)&all_failed_retry_safe_var.data[k]) | 1;
+                               int64_t all_failed_retry_safe_conv_10_ref = ((uintptr_t)&all_failed_retry_safe_var.data[k]) | 1;
                                all_failed_retry_safe_arr_ptr[k] = all_failed_retry_safe_conv_10_ref;
                        }
                        (*env)->ReleasePrimitiveArrayCritical(env, all_failed_retry_safe_arr, all_failed_retry_safe_arr_ptr, 0);
@@ -4914,11 +4914,11 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKPaymentSendFailure_1ref_
                                LDKCResult_NoneAPIErrorZ* results_conv_22_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
                                *results_conv_22_conv = results_var.data[w];
                                *results_conv_22_conv = CResult_NoneAPIErrorZ_clone(results_conv_22_conv);
-                               results_arr_ptr[w] = (uintptr_t)results_conv_22_conv;
+                               results_arr_ptr[w] = (int64_t)results_conv_22_conv;
                        }
                        (*env)->ReleasePrimitiveArrayCritical(env, results_arr, results_arr_ptr, 0);
                        LDKRouteParameters failed_paths_retry_var = obj->partial_failure.failed_paths_retry;
-                       uintptr_t failed_paths_retry_ref = 0;
+                       int64_t failed_paths_retry_ref = 0;
                        if ((uintptr_t)failed_paths_retry_var.inner > 4096) {
                                CHECK((((uintptr_t)failed_paths_retry_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                                CHECK((((uintptr_t)&failed_paths_retry_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -4951,7 +4951,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSe
        LDKCResult_PaymentIdPaymentSendFailureZ* owner_conv = (LDKCResult_PaymentIdPaymentSendFailureZ*)(owner & ~1);
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = CResult_PaymentIdPaymentSendFailureZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -4972,7 +4972,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFai
        LDKCResult_NonePaymentSendFailureZ* owner_conv = (LDKCResult_NonePaymentSendFailureZ*)(owner & ~1);
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = CResult_NonePaymentSendFailureZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -5004,7 +5004,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* owner_conv = (LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ*)(owner & ~1);
        LDKC2Tuple_PaymentHashPaymentIdZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentIdZ), "LDKC2Tuple_PaymentHashPaymentIdZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_get_ok(owner_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 static inline struct LDKPaymentSendFailure CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_get_err(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ *NONNULL_PTR owner){
@@ -5015,7 +5015,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* owner_conv = (LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ*)(owner & ~1);
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -5110,7 +5110,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ* owner_conv = (LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ*)(owner & ~1);
        LDKC2Tuple_PaymentHashPaymentSecretZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentSecretZ), "LDKC2Tuple_PaymentHashPaymentSecretZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_get_ok(owner_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 static inline void CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_get_err(LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ *NONNULL_PTR owner){
@@ -5130,7 +5130,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ* owner_conv = (LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ*)(owner & ~1);
        LDKC2Tuple_PaymentHashPaymentSecretZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentSecretZ), "LDKC2Tuple_PaymentHashPaymentSecretZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_get_ok(owner_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 static inline struct LDKAPIError CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_get_err(LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ *NONNULL_PTR owner){
@@ -5141,7 +5141,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ* owner_conv = (LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ*)(owner & ~1);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -5184,7 +5184,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIEr
        LDKCResult_PaymentSecretAPIErrorZ* owner_conv = (LDKCResult_PaymentSecretAPIErrorZ*)(owner & ~1);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = CResult_PaymentSecretAPIErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -5207,7 +5207,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPI
        LDKCResult_PaymentPreimageAPIErrorZ* owner_conv = (LDKCResult_PaymentPreimageAPIErrorZ*)(owner & ~1);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = CResult_PaymentPreimageAPIErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -5218,7 +5218,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwardingInfoDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CounterpartyForwardingInfoDecodeErrorZ* owner_conv = (LDKCResult_CounterpartyForwardingInfoDecodeErrorZ*)(owner & ~1);
        LDKCounterpartyForwardingInfo ret_var = CResult_CounterpartyForwardingInfoDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -5236,7 +5236,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwardingInfoDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CounterpartyForwardingInfoDecodeErrorZ* owner_conv = (LDKCResult_CounterpartyForwardingInfoDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_CounterpartyForwardingInfoDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -5254,7 +5254,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpartyDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelCounterpartyDecodeErrorZ* owner_conv = (LDKCResult_ChannelCounterpartyDecodeErrorZ*)(owner & ~1);
        LDKChannelCounterparty ret_var = CResult_ChannelCounterpartyDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -5272,7 +5272,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpartyDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelCounterpartyDecodeErrorZ* owner_conv = (LDKCResult_ChannelCounterpartyDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelCounterpartyDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -5290,7 +5290,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelDetailsDecodeErrorZ* owner_conv = (LDKCResult_ChannelDetailsDecodeErrorZ*)(owner & ~1);
        LDKChannelDetails ret_var = CResult_ChannelDetailsDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -5308,7 +5308,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelDetailsDecodeErrorZ* owner_conv = (LDKCResult_ChannelDetailsDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelDetailsDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -5326,7 +5326,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PhantomRouteHintsDecodeErrorZ* owner_conv = (LDKCResult_PhantomRouteHintsDecodeErrorZ*)(owner & ~1);
        LDKPhantomRouteHints ret_var = CResult_PhantomRouteHintsDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -5344,7 +5344,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PhantomRouteHintsDecodeErrorZ* owner_conv = (LDKCResult_PhantomRouteHintsDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_PhantomRouteHintsDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -5397,7 +5397,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ watch_channel_LDKWatch_jcall(const void*
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKOutPoint funding_txo_var = funding_txo;
-       uintptr_t funding_txo_ref = 0;
+       int64_t funding_txo_ref = 0;
        CHECK((((uintptr_t)funding_txo_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&funding_txo_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(funding_txo_var);
@@ -5406,7 +5406,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ watch_channel_LDKWatch_jcall(const void*
                funding_txo_ref |= 1;
        }
        LDKChannelMonitor monitor_var = monitor;
-       uintptr_t monitor_ref = 0;
+       int64_t monitor_ref = 0;
        CHECK((((uintptr_t)monitor_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&monitor_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(monitor_var);
@@ -5440,7 +5440,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_channel_LDKWatch_jcall(const void
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKOutPoint funding_txo_var = funding_txo;
-       uintptr_t funding_txo_ref = 0;
+       int64_t funding_txo_ref = 0;
        CHECK((((uintptr_t)funding_txo_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&funding_txo_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(funding_txo_var);
@@ -5449,7 +5449,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_channel_LDKWatch_jcall(const void
                funding_txo_ref |= 1;
        }
        LDKChannelMonitorUpdate update_var = update;
-       uintptr_t update_ref = 0;
+       int64_t update_ref = 0;
        CHECK((((uintptr_t)update_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&update_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(update_var);
@@ -5558,7 +5558,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Watch_1watch_1channel(JNIEn
        monitor_conv = ChannelMonitor_clone(&monitor_conv);
        LDKCResult_NoneChannelMonitorUpdateErrZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneChannelMonitorUpdateErrZ), "LDKCResult_NoneChannelMonitorUpdateErrZ");
        *ret_conv = (this_arg_conv->watch_channel)(this_arg_conv->this_arg, funding_txo_conv, monitor_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Watch_1update_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int64_t funding_txo, int64_t update) {
@@ -5577,7 +5577,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Watch_1update_1channel(JNIE
        update_conv = ChannelMonitorUpdate_clone(&update_conv);
        LDKCResult_NoneChannelMonitorUpdateErrZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneChannelMonitorUpdateErrZ), "LDKCResult_NoneChannelMonitorUpdateErrZ");
        *ret_conv = (this_arg_conv->update_channel)(this_arg_conv->this_arg, funding_txo_conv, update_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_Watch_1release_1pending_1monitor_1events(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -5591,7 +5591,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_Watch_1release_1pendin
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKMonitorEvent *ret_conv_14_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
                *ret_conv_14_copy = ret_var.data[o];
-               uintptr_t ret_conv_14_ref = (uintptr_t)ret_conv_14_copy;
+               int64_t ret_conv_14_ref = (uintptr_t)ret_conv_14_copy;
                ret_arr_ptr[o] = ret_conv_14_ref;
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
@@ -5984,7 +5984,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1node_1s
        LDKRecipient recipient_conv = LDKRecipient_from_java(env, recipient);
        LDKCResult_SecretKeyNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyNoneZ), "LDKCResult_SecretKeyNoneZ");
        *ret_conv = (this_arg_conv->get_node_secret)(this_arg_conv->this_arg, recipient_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1destination_1script(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -6003,7 +6003,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1shutdow
        if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
        LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        LDKShutdownScript ret_var = (this_arg_conv->get_shutdown_scriptpubkey)(this_arg_conv->this_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6020,7 +6020,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1channel
        LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        LDKSign* ret_ret = MALLOC(sizeof(LDKSign), "LDKSign");
        *ret_ret = (this_arg_conv->get_channel_signer)(this_arg_conv->this_arg, inbound, channel_value_satoshis);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1secure_1random_1bytes(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -6042,7 +6042,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1read_1chan_1
        LDKCResult_SignDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SignDecodeErrorZ), "LDKCResult_SignDecodeErrorZ");
        *ret_conv = (this_arg_conv->read_chan_signer)(this_arg_conv->this_arg, reader_ref);
        (*env)->ReleaseByteArrayElements(env, reader, (int8_t*)reader_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1sign_1invoice(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray hrp_bytes, jobjectArray invoice_data, jclass receipient) {
@@ -6069,7 +6069,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1sign_1invoic
        LDKCResult_RecoverableSignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_RecoverableSignatureNoneZ), "LDKCResult_RecoverableSignatureNoneZ");
        *ret_conv = (this_arg_conv->sign_invoice)(this_arg_conv->this_arg, hrp_bytes_ref, invoice_data_constr, receipient_conv);
        (*env)->ReleaseByteArrayElements(env, hrp_bytes, (int8_t*)hrp_bytes_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1inbound_1payment_1key_1material(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -6194,7 +6194,7 @@ void log_LDKLogger_jcall(const void* this_arg, const LDKRecord * record) {
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKRecord record_var = *record;
-       uintptr_t record_ref = 0;
+       int64_t record_ref = 0;
        record_var = Record_clone(record);
        CHECK((((uintptr_t)record_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&record_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -6256,7 +6256,7 @@ static inline struct LDKChannelManager *C2Tuple_BlockHashChannelManagerZ_get_b(L
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelManagerZ_1get_1b(JNIEnv *env, jclass clz, int64_t owner) {
        LDKC2Tuple_BlockHashChannelManagerZ* owner_conv = (LDKC2Tuple_BlockHashChannelManagerZ*)(owner & ~1);
        LDKChannelManager ret_var = *C2Tuple_BlockHashChannelManagerZ_get_b(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6270,7 +6270,7 @@ CHECK(owner->result_ok);
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelManagerZDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ* owner_conv = (LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ*)(owner & ~1);
-       uintptr_t ret_ret = (uintptr_t)CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_get_ok(owner_conv) | 1;
+       int64_t ret_ret = (uintptr_t)CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_get_ok(owner_conv) | 1;
        return ret_ret;
 }
 
@@ -6281,7 +6281,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelManagerZDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ* owner_conv = (LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6299,7 +6299,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelConfigDecodeErrorZ* owner_conv = (LDKCResult_ChannelConfigDecodeErrorZ*)(owner & ~1);
        LDKChannelConfig ret_var = CResult_ChannelConfigDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6317,7 +6317,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelConfigDecodeErrorZ* owner_conv = (LDKCResult_ChannelConfigDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelConfigDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6335,7 +6335,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_OutPointDecodeErrorZ* owner_conv = (LDKCResult_OutPointDecodeErrorZ*)(owner & ~1);
        LDKOutPoint ret_var = CResult_OutPointDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6353,7 +6353,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_OutPointDecodeErrorZ* owner_conv = (LDKCResult_OutPointDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_OutPointDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6541,7 +6541,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKCOption_1TypeZ_1ref_1fro
                case LDKCOption_TypeZ_Some: {
                        LDKType* some_ret = MALLOC(sizeof(LDKType), "LDKType");
                        *some_ret = Type_clone(&obj->some);
-                       return (*env)->NewObject(env, LDKCOption_TypeZ_Some_class, LDKCOption_TypeZ_Some_meth, (uintptr_t)some_ret);
+                       return (*env)->NewObject(env, LDKCOption_TypeZ_Some_class, LDKCOption_TypeZ_Some_meth, (int64_t)some_ret);
                }
                case LDKCOption_TypeZ_None: {
                        return (*env)->NewObject(env, LDKCOption_TypeZ_None_class, LDKCOption_TypeZ_None_meth);
@@ -6557,7 +6557,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDeco
        LDKCResult_COption_TypeZDecodeErrorZ* owner_conv = (LDKCResult_COption_TypeZDecodeErrorZ*)(owner & ~1);
        LDKCOption_TypeZ *ret_copy = MALLOC(sizeof(LDKCOption_TypeZ), "LDKCOption_TypeZ");
        *ret_copy = CResult_COption_TypeZDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -6568,7 +6568,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_COption_TypeZDecodeErrorZ* owner_conv = (LDKCResult_COption_TypeZDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_COption_TypeZDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6612,7 +6612,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKPaymentError_1ref_1from_
                }
                case LDKPaymentError_Routing: {
                        LDKLightningError routing_var = obj->routing;
-                       uintptr_t routing_ref = 0;
+                       int64_t routing_ref = 0;
                        CHECK((((uintptr_t)routing_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&routing_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(routing_var);
@@ -6620,7 +6620,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKPaymentError_1ref_1from_
                        return (*env)->NewObject(env, LDKPaymentError_Routing_class, LDKPaymentError_Routing_meth, routing_ref);
                }
                case LDKPaymentError_Sending: {
-                       uintptr_t sending_ref = ((uintptr_t)&obj->sending) | 1;
+                       int64_t sending_ref = ((uintptr_t)&obj->sending) | 1;
                        return (*env)->NewObject(env, LDKPaymentError_Sending_class, LDKPaymentError_Sending_meth, sending_ref);
                }
                default: abort();
@@ -6645,7 +6645,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentEr
        LDKCResult_PaymentIdPaymentErrorZ* owner_conv = (LDKCResult_PaymentIdPaymentErrorZ*)(owner & ~1);
        LDKPaymentError *ret_copy = MALLOC(sizeof(LDKPaymentError), "LDKPaymentError");
        *ret_copy = CResult_PaymentIdPaymentErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -6675,7 +6675,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InvoiceNoneZ* owner_conv = (LDKCResult_InvoiceNoneZ*)(owner & ~1);
        LDKInvoice ret_var = CResult_InvoiceNoneZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6702,7 +6702,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNoneZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_SignedRawInvoiceNoneZ* owner_conv = (LDKCResult_SignedRawInvoiceNoneZ*)(owner & ~1);
        LDKSignedRawInvoice ret_var = CResult_SignedRawInvoiceNoneZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6728,7 +6728,7 @@ static inline struct LDKRawInvoice C3Tuple_RawInvoice_u832InvoiceSignatureZ_get_
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832InvoiceSignatureZ_1get_1a(JNIEnv *env, jclass clz, int64_t owner) {
        LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* owner_conv = (LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ*)(owner & ~1);
        LDKRawInvoice ret_var = C3Tuple_RawInvoice_u832InvoiceSignatureZ_get_a(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6755,7 +6755,7 @@ static inline struct LDKInvoiceSignature C3Tuple_RawInvoice_u832InvoiceSignature
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832InvoiceSignatureZ_1get_1c(JNIEnv *env, jclass clz, int64_t owner) {
        LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* owner_conv = (LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ*)(owner & ~1);
        LDKInvoiceSignature ret_var = C3Tuple_RawInvoice_u832InvoiceSignatureZ_get_c(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6773,7 +6773,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PayeePubKeyErrorZ* owner_conv = (LDKCResult_PayeePubKeyErrorZ*)(owner & ~1);
        LDKPayeePubKey ret_var = CResult_PayeePubKeyErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6808,7 +6808,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampCreationErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PositiveTimestampCreationErrorZ* owner_conv = (LDKCResult_PositiveTimestampCreationErrorZ*)(owner & ~1);
        LDKPositiveTimestamp ret_var = CResult_PositiveTimestampCreationErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6855,7 +6855,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InvoiceSemanticErrorZ* owner_conv = (LDKCResult_InvoiceSemanticErrorZ*)(owner & ~1);
        LDKInvoice ret_var = CResult_InvoiceSemanticErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6883,7 +6883,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreationErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_DescriptionCreationErrorZ* owner_conv = (LDKCResult_DescriptionCreationErrorZ*)(owner & ~1);
        LDKDescription ret_var = CResult_DescriptionCreationErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6911,7 +6911,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreationErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PrivateRouteCreationErrorZ* owner_conv = (LDKCResult_PrivateRouteCreationErrorZ*)(owner & ~1);
        LDKPrivateRoute ret_var = CResult_PrivateRouteCreationErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6960,7 +6960,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpdateDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelMonitorUpdateDecodeErrorZ* owner_conv = (LDKCResult_ChannelMonitorUpdateDecodeErrorZ*)(owner & ~1);
        LDKChannelMonitorUpdate ret_var = CResult_ChannelMonitorUpdateDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -6978,7 +6978,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpdateDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelMonitorUpdateDecodeErrorZ* owner_conv = (LDKCResult_ChannelMonitorUpdateDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelMonitorUpdateDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7009,7 +7009,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKCOption_1MonitorEventZ_1
        LDKCOption_MonitorEventZ *obj = (LDKCOption_MonitorEventZ*)(ptr & ~1);
        switch(obj->tag) {
                case LDKCOption_MonitorEventZ_Some: {
-                       uintptr_t some_ref = ((uintptr_t)&obj->some) | 1;
+                       int64_t some_ref = ((uintptr_t)&obj->some) | 1;
                        return (*env)->NewObject(env, LDKCOption_MonitorEventZ_Some_class, LDKCOption_MonitorEventZ_Some_meth, some_ref);
                }
                case LDKCOption_MonitorEventZ_None: {
@@ -7026,7 +7026,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEv
        LDKCResult_COption_MonitorEventZDecodeErrorZ* owner_conv = (LDKCResult_COption_MonitorEventZDecodeErrorZ*)(owner & ~1);
        LDKCOption_MonitorEventZ *ret_copy = MALLOC(sizeof(LDKCOption_MonitorEventZ), "LDKCOption_MonitorEventZ");
        *ret_copy = CResult_COption_MonitorEventZDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -7037,7 +7037,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEventZDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_COption_MonitorEventZDecodeErrorZ* owner_conv = (LDKCResult_COption_MonitorEventZDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_COption_MonitorEventZDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7055,7 +7055,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_HTLCUpdateDecodeErrorZ* owner_conv = (LDKCResult_HTLCUpdateDecodeErrorZ*)(owner & ~1);
        LDKHTLCUpdate ret_var = CResult_HTLCUpdateDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7073,7 +7073,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_HTLCUpdateDecodeErrorZ* owner_conv = (LDKCResult_HTLCUpdateDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_HTLCUpdateDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7090,7 +7090,7 @@ static inline struct LDKOutPoint C2Tuple_OutPointScriptZ_get_a(LDKC2Tuple_OutPoi
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1get_1a(JNIEnv *env, jclass clz, int64_t owner) {
        LDKC2Tuple_OutPointScriptZ* owner_conv = (LDKC2Tuple_OutPointScriptZ*)(owner & ~1);
        LDKOutPoint ret_var = C2Tuple_OutPointScriptZ_get_a(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7163,7 +7163,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2T
        for (size_t v = 0; v < ret_var.datalen; v++) {
                LDKC2Tuple_u32ScriptZ* ret_conv_21_conv = MALLOC(sizeof(LDKC2Tuple_u32ScriptZ), "LDKC2Tuple_u32ScriptZ");
                *ret_conv_21_conv = ret_var.data[v];
-               ret_arr_ptr[v] = ((uintptr_t)ret_conv_21_conv);
+               ret_arr_ptr[v] = ((int64_t)ret_conv_21_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
        FREE(ret_var.data);
@@ -7200,7 +7200,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1get_1b(
        LDKC2Tuple_u32TxOutZ* owner_conv = (LDKC2Tuple_u32TxOutZ*)(owner & ~1);
        LDKTxOut* ret_ref = MALLOC(sizeof(LDKTxOut), "LDKTxOut");
        *ret_ref = C2Tuple_u32TxOutZ_get_b(owner_conv);
-       return (uintptr_t)ret_ref;
+       return (int64_t)ret_ref;
 }
 
 static inline LDKCVec_C2Tuple_u32TxOutZZ CVec_C2Tuple_u32TxOutZZ_clone(const LDKCVec_C2Tuple_u32TxOutZZ *orig) {
@@ -7232,7 +7232,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2T
        for (size_t u = 0; u < ret_var.datalen; u++) {
                LDKC2Tuple_u32TxOutZ* ret_conv_20_conv = MALLOC(sizeof(LDKC2Tuple_u32TxOutZ), "LDKC2Tuple_u32TxOutZ");
                *ret_conv_20_conv = ret_var.data[u];
-               ret_arr_ptr[u] = ((uintptr_t)ret_conv_20_conv);
+               ret_arr_ptr[u] = ((int64_t)ret_conv_20_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
        FREE(ret_var.data);
@@ -7309,7 +7309,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHash
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* owner_conv = (LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ*)(owner & ~1);
        LDKC2Tuple_BlockHashChannelMonitorZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelMonitorZ), "LDKC2Tuple_BlockHashChannelMonitorZ");
        *ret_conv = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_get_ok(owner_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 static inline struct LDKDecodeError CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_get_err(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ *NONNULL_PTR owner){
@@ -7319,7 +7319,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelMonitorZDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* owner_conv = (LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7346,7 +7346,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NoneLightningErrorZ* owner_conv = (LDKCResult_NoneLightningErrorZ*)(owner & ~1);
        LDKLightningError ret_var = CResult_NoneLightningErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7374,7 +7374,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1ge
        LDKC2Tuple_PublicKeyTypeZ* owner_conv = (LDKC2Tuple_PublicKeyTypeZ*)(owner & ~1);
        LDKType* ret_ret = MALLOC(sizeof(LDKType), "LDKType");
        *ret_ret = C2Tuple_PublicKeyTypeZ_get_b(owner_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 static inline LDKCVec_C2Tuple_PublicKeyTypeZZ CVec_C2Tuple_PublicKeyTypeZZ_clone(const LDKCVec_C2Tuple_PublicKeyTypeZZ *orig) {
@@ -7401,7 +7401,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_boolLightningErrorZ* owner_conv = (LDKCResult_boolLightningErrorZ*)(owner & ~1);
        LDKLightningError ret_var = CResult_boolLightningErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7418,7 +7418,7 @@ static inline struct LDKChannelAnnouncement C3Tuple_ChannelAnnouncementChannelUp
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncementChannelUpdateChannelUpdateZ_1get_1a(JNIEnv *env, jclass clz, int64_t owner) {
        LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* owner_conv = (LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(owner & ~1);
        LDKChannelAnnouncement ret_var = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_a(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7435,7 +7435,7 @@ static inline struct LDKChannelUpdate C3Tuple_ChannelAnnouncementChannelUpdateCh
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncementChannelUpdateChannelUpdateZ_1get_1b(JNIEnv *env, jclass clz, int64_t owner) {
        LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* owner_conv = (LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(owner & ~1);
        LDKChannelUpdate ret_var = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_b(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7452,7 +7452,7 @@ static inline struct LDKChannelUpdate C3Tuple_ChannelAnnouncementChannelUpdateCh
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncementChannelUpdateChannelUpdateZ_1get_1c(JNIEnv *env, jclass clz, int64_t owner) {
        LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* owner_conv = (LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(owner & ~1);
        LDKChannelUpdate ret_var = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_c(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7497,7 +7497,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandleErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CVec_u8ZPeerHandleErrorZ* owner_conv = (LDKCResult_CVec_u8ZPeerHandleErrorZ*)(owner & ~1);
        LDKPeerHandleError ret_var = CResult_CVec_u8ZPeerHandleErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7524,7 +7524,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NonePeerHandleErrorZ* owner_conv = (LDKCResult_NonePeerHandleErrorZ*)(owner & ~1);
        LDKPeerHandleError ret_var = CResult_NonePeerHandleErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7552,7 +7552,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_boolPeerHandleErrorZ* owner_conv = (LDKCResult_boolPeerHandleErrorZ*)(owner & ~1);
        LDKPeerHandleError ret_var = CResult_boolPeerHandleErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7570,7 +7570,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeIdDecodeErrorZ* owner_conv = (LDKCResult_NodeIdDecodeErrorZ*)(owner & ~1);
        LDKNodeId ret_var = CResult_NodeIdDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7588,7 +7588,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeIdDecodeErrorZ* owner_conv = (LDKCResult_NodeIdDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_NodeIdDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7607,7 +7607,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUp
        LDKCResult_COption_NetworkUpdateZDecodeErrorZ* owner_conv = (LDKCResult_COption_NetworkUpdateZDecodeErrorZ*)(owner & ~1);
        LDKCOption_NetworkUpdateZ *ret_copy = MALLOC(sizeof(LDKCOption_NetworkUpdateZ), "LDKCOption_NetworkUpdateZ");
        *ret_copy = CResult_COption_NetworkUpdateZDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -7618,7 +7618,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUpdateZDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_COption_NetworkUpdateZDecodeErrorZ* owner_conv = (LDKCResult_COption_NetworkUpdateZDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_COption_NetworkUpdateZDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7715,7 +7715,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Access_1get_1utxo(JNIEnv *e
        unsigned char (*genesis_hash_ref)[32] = &genesis_hash_arr;
        LDKCResult_TxOutAccessErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxOutAccessErrorZ), "LDKCResult_TxOutAccessErrorZ");
        *ret_conv = (this_arg_conv->get_utxo)(this_arg_conv->this_arg, genesis_hash_ref, short_channel_id);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static jclass LDKCOption_AccessZ_Some_class = NULL;
@@ -7745,7 +7745,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKCOption_1AccessZ_1ref_1f
                                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                                LDKAccess_JCalls_cloned(&(*some_ret));
                        }
-                       return (*env)->NewObject(env, LDKCOption_AccessZ_Some_class, LDKCOption_AccessZ_Some_meth, (uintptr_t)some_ret);
+                       return (*env)->NewObject(env, LDKCOption_AccessZ_Some_class, LDKCOption_AccessZ_Some_meth, (int64_t)some_ret);
                }
                case LDKCOption_AccessZ_None: {
                        return (*env)->NewObject(env, LDKCOption_AccessZ_None_class, LDKCOption_AccessZ_None_meth);
@@ -7760,7 +7760,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelUpdateInfoDecodeErrorZ* owner_conv = (LDKCResult_ChannelUpdateInfoDecodeErrorZ*)(owner & ~1);
        LDKChannelUpdateInfo ret_var = CResult_ChannelUpdateInfoDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7778,7 +7778,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelUpdateInfoDecodeErrorZ* owner_conv = (LDKCResult_ChannelUpdateInfoDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelUpdateInfoDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7796,7 +7796,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelInfoDecodeErrorZ* owner_conv = (LDKCResult_ChannelInfoDecodeErrorZ*)(owner & ~1);
        LDKChannelInfo ret_var = CResult_ChannelInfoDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7814,7 +7814,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelInfoDecodeErrorZ* owner_conv = (LDKCResult_ChannelInfoDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelInfoDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7832,7 +7832,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RoutingFeesDecodeErrorZ* owner_conv = (LDKCResult_RoutingFeesDecodeErrorZ*)(owner & ~1);
        LDKRoutingFees ret_var = CResult_RoutingFeesDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7850,7 +7850,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RoutingFeesDecodeErrorZ* owner_conv = (LDKCResult_RoutingFeesDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_RoutingFeesDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7868,7 +7868,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementInfoDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeAnnouncementInfoDecodeErrorZ* owner_conv = (LDKCResult_NodeAnnouncementInfoDecodeErrorZ*)(owner & ~1);
        LDKNodeAnnouncementInfo ret_var = CResult_NodeAnnouncementInfoDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7886,7 +7886,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementInfoDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeAnnouncementInfoDecodeErrorZ* owner_conv = (LDKCResult_NodeAnnouncementInfoDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_NodeAnnouncementInfoDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7909,7 +7909,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeInfoDecodeErrorZ* owner_conv = (LDKCResult_NodeInfoDecodeErrorZ*)(owner & ~1);
        LDKNodeInfo ret_var = CResult_NodeInfoDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7927,7 +7927,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeInfoDecodeErrorZ* owner_conv = (LDKCResult_NodeInfoDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_NodeInfoDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7945,7 +7945,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NetworkGraphDecodeErrorZ* owner_conv = (LDKCResult_NetworkGraphDecodeErrorZ*)(owner & ~1);
        LDKNetworkGraph ret_var = CResult_NetworkGraphDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7963,7 +7963,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NetworkGraphDecodeErrorZ* owner_conv = (LDKCResult_NetworkGraphDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_NetworkGraphDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -7999,7 +7999,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKCOption_1CVec_1NetAddres
                        some_arr = (*env)->NewLongArray(env, some_var.datalen);
                        int64_t *some_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, some_arr, NULL);
                        for (size_t m = 0; m < some_var.datalen; m++) {
-                               uintptr_t some_conv_12_ref = ((uintptr_t)&some_var.data[m]) | 1;
+                               int64_t some_conv_12_ref = ((uintptr_t)&some_var.data[m]) | 1;
                                some_arr_ptr[m] = some_conv_12_ref;
                        }
                        (*env)->ReleasePrimitiveArrayCritical(env, some_arr, some_arr_ptr, 0);
@@ -8019,7 +8019,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeEr
        LDKCResult_NetAddressDecodeErrorZ* owner_conv = (LDKCResult_NetAddressDecodeErrorZ*)(owner & ~1);
        LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
        *ret_copy = CResult_NetAddressDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -8030,7 +8030,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NetAddressDecodeErrorZ* owner_conv = (LDKCResult_NetAddressDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_NetAddressDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8076,7 +8076,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_AcceptChannelDecodeErrorZ* owner_conv = (LDKCResult_AcceptChannelDecodeErrorZ*)(owner & ~1);
        LDKAcceptChannel ret_var = CResult_AcceptChannelDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8094,7 +8094,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_AcceptChannelDecodeErrorZ* owner_conv = (LDKCResult_AcceptChannelDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_AcceptChannelDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8112,7 +8112,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignaturesDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_AnnouncementSignaturesDecodeErrorZ* owner_conv = (LDKCResult_AnnouncementSignaturesDecodeErrorZ*)(owner & ~1);
        LDKAnnouncementSignatures ret_var = CResult_AnnouncementSignaturesDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8130,7 +8130,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignaturesDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_AnnouncementSignaturesDecodeErrorZ* owner_conv = (LDKCResult_AnnouncementSignaturesDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_AnnouncementSignaturesDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8148,7 +8148,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablishDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelReestablishDecodeErrorZ* owner_conv = (LDKCResult_ChannelReestablishDecodeErrorZ*)(owner & ~1);
        LDKChannelReestablish ret_var = CResult_ChannelReestablishDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8166,7 +8166,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablishDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelReestablishDecodeErrorZ* owner_conv = (LDKCResult_ChannelReestablishDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelReestablishDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8184,7 +8184,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ClosingSignedDecodeErrorZ* owner_conv = (LDKCResult_ClosingSignedDecodeErrorZ*)(owner & ~1);
        LDKClosingSigned ret_var = CResult_ClosingSignedDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8202,7 +8202,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ClosingSignedDecodeErrorZ* owner_conv = (LDKCResult_ClosingSignedDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ClosingSignedDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8220,7 +8220,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRangeDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ClosingSignedFeeRangeDecodeErrorZ* owner_conv = (LDKCResult_ClosingSignedFeeRangeDecodeErrorZ*)(owner & ~1);
        LDKClosingSignedFeeRange ret_var = CResult_ClosingSignedFeeRangeDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8238,7 +8238,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRangeDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ClosingSignedFeeRangeDecodeErrorZ* owner_conv = (LDKCResult_ClosingSignedFeeRangeDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ClosingSignedFeeRangeDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8256,7 +8256,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CommitmentSignedDecodeErrorZ* owner_conv = (LDKCResult_CommitmentSignedDecodeErrorZ*)(owner & ~1);
        LDKCommitmentSigned ret_var = CResult_CommitmentSignedDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8274,7 +8274,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_CommitmentSignedDecodeErrorZ* owner_conv = (LDKCResult_CommitmentSignedDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_CommitmentSignedDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8292,7 +8292,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_FundingCreatedDecodeErrorZ* owner_conv = (LDKCResult_FundingCreatedDecodeErrorZ*)(owner & ~1);
        LDKFundingCreated ret_var = CResult_FundingCreatedDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8310,7 +8310,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_FundingCreatedDecodeErrorZ* owner_conv = (LDKCResult_FundingCreatedDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_FundingCreatedDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8328,7 +8328,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_FundingSignedDecodeErrorZ* owner_conv = (LDKCResult_FundingSignedDecodeErrorZ*)(owner & ~1);
        LDKFundingSigned ret_var = CResult_FundingSignedDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8346,7 +8346,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_FundingSignedDecodeErrorZ* owner_conv = (LDKCResult_FundingSignedDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_FundingSignedDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8364,7 +8364,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_FundingLockedDecodeErrorZ* owner_conv = (LDKCResult_FundingLockedDecodeErrorZ*)(owner & ~1);
        LDKFundingLocked ret_var = CResult_FundingLockedDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8382,7 +8382,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_FundingLockedDecodeErrorZ* owner_conv = (LDKCResult_FundingLockedDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_FundingLockedDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8400,7 +8400,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InitDecodeErrorZ* owner_conv = (LDKCResult_InitDecodeErrorZ*)(owner & ~1);
        LDKInit ret_var = CResult_InitDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8418,7 +8418,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InitDecodeErrorZ* owner_conv = (LDKCResult_InitDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_InitDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8436,7 +8436,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_OpenChannelDecodeErrorZ* owner_conv = (LDKCResult_OpenChannelDecodeErrorZ*)(owner & ~1);
        LDKOpenChannel ret_var = CResult_OpenChannelDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8454,7 +8454,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_OpenChannelDecodeErrorZ* owner_conv = (LDKCResult_OpenChannelDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_OpenChannelDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8472,7 +8472,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RevokeAndACKDecodeErrorZ* owner_conv = (LDKCResult_RevokeAndACKDecodeErrorZ*)(owner & ~1);
        LDKRevokeAndACK ret_var = CResult_RevokeAndACKDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8490,7 +8490,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_RevokeAndACKDecodeErrorZ* owner_conv = (LDKCResult_RevokeAndACKDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_RevokeAndACKDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8508,7 +8508,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ShutdownDecodeErrorZ* owner_conv = (LDKCResult_ShutdownDecodeErrorZ*)(owner & ~1);
        LDKShutdown ret_var = CResult_ShutdownDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8526,7 +8526,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ShutdownDecodeErrorZ* owner_conv = (LDKCResult_ShutdownDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ShutdownDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8544,7 +8544,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateFailHTLCDecodeErrorZ* owner_conv = (LDKCResult_UpdateFailHTLCDecodeErrorZ*)(owner & ~1);
        LDKUpdateFailHTLC ret_var = CResult_UpdateFailHTLCDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8562,7 +8562,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateFailHTLCDecodeErrorZ* owner_conv = (LDKCResult_UpdateFailHTLCDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_UpdateFailHTLCDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8580,7 +8580,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalformedHTLCDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ* owner_conv = (LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ*)(owner & ~1);
        LDKUpdateFailMalformedHTLC ret_var = CResult_UpdateFailMalformedHTLCDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8598,7 +8598,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalformedHTLCDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ* owner_conv = (LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_UpdateFailMalformedHTLCDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8616,7 +8616,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateFeeDecodeErrorZ* owner_conv = (LDKCResult_UpdateFeeDecodeErrorZ*)(owner & ~1);
        LDKUpdateFee ret_var = CResult_UpdateFeeDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8634,7 +8634,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateFeeDecodeErrorZ* owner_conv = (LDKCResult_UpdateFeeDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_UpdateFeeDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8652,7 +8652,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateFulfillHTLCDecodeErrorZ* owner_conv = (LDKCResult_UpdateFulfillHTLCDecodeErrorZ*)(owner & ~1);
        LDKUpdateFulfillHTLC ret_var = CResult_UpdateFulfillHTLCDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8670,7 +8670,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateFulfillHTLCDecodeErrorZ* owner_conv = (LDKCResult_UpdateFulfillHTLCDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_UpdateFulfillHTLCDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8688,7 +8688,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateAddHTLCDecodeErrorZ* owner_conv = (LDKCResult_UpdateAddHTLCDecodeErrorZ*)(owner & ~1);
        LDKUpdateAddHTLC ret_var = CResult_UpdateAddHTLCDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8706,7 +8706,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UpdateAddHTLCDecodeErrorZ* owner_conv = (LDKCResult_UpdateAddHTLCDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_UpdateAddHTLCDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8724,7 +8724,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PingDecodeErrorZ* owner_conv = (LDKCResult_PingDecodeErrorZ*)(owner & ~1);
        LDKPing ret_var = CResult_PingDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8742,7 +8742,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PingDecodeErrorZ* owner_conv = (LDKCResult_PingDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_PingDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8760,7 +8760,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PongDecodeErrorZ* owner_conv = (LDKCResult_PongDecodeErrorZ*)(owner & ~1);
        LDKPong ret_var = CResult_PongDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8778,7 +8778,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_PongDecodeErrorZ* owner_conv = (LDKCResult_PongDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_PongDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8796,7 +8796,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnnouncementDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ* owner_conv = (LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ*)(owner & ~1);
        LDKUnsignedChannelAnnouncement ret_var = CResult_UnsignedChannelAnnouncementDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8814,7 +8814,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnnouncementDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ* owner_conv = (LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_UnsignedChannelAnnouncementDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8832,7 +8832,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncementDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelAnnouncementDecodeErrorZ* owner_conv = (LDKCResult_ChannelAnnouncementDecodeErrorZ*)(owner & ~1);
        LDKChannelAnnouncement ret_var = CResult_ChannelAnnouncementDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8850,7 +8850,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncementDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelAnnouncementDecodeErrorZ* owner_conv = (LDKCResult_ChannelAnnouncementDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelAnnouncementDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8868,7 +8868,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpdateDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UnsignedChannelUpdateDecodeErrorZ* owner_conv = (LDKCResult_UnsignedChannelUpdateDecodeErrorZ*)(owner & ~1);
        LDKUnsignedChannelUpdate ret_var = CResult_UnsignedChannelUpdateDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8886,7 +8886,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpdateDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UnsignedChannelUpdateDecodeErrorZ* owner_conv = (LDKCResult_UnsignedChannelUpdateDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_UnsignedChannelUpdateDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8904,7 +8904,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelUpdateDecodeErrorZ* owner_conv = (LDKCResult_ChannelUpdateDecodeErrorZ*)(owner & ~1);
        LDKChannelUpdate ret_var = CResult_ChannelUpdateDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8922,7 +8922,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ChannelUpdateDecodeErrorZ* owner_conv = (LDKCResult_ChannelUpdateDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ChannelUpdateDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8940,7 +8940,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ErrorMessageDecodeErrorZ* owner_conv = (LDKCResult_ErrorMessageDecodeErrorZ*)(owner & ~1);
        LDKErrorMessage ret_var = CResult_ErrorMessageDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8958,7 +8958,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ErrorMessageDecodeErrorZ* owner_conv = (LDKCResult_ErrorMessageDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ErrorMessageDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8976,7 +8976,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_WarningMessageDecodeErrorZ* owner_conv = (LDKCResult_WarningMessageDecodeErrorZ*)(owner & ~1);
        LDKWarningMessage ret_var = CResult_WarningMessageDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -8994,7 +8994,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_WarningMessageDecodeErrorZ* owner_conv = (LDKCResult_WarningMessageDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_WarningMessageDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9012,7 +9012,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnouncementDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ* owner_conv = (LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ*)(owner & ~1);
        LDKUnsignedNodeAnnouncement ret_var = CResult_UnsignedNodeAnnouncementDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9030,7 +9030,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnouncementDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ* owner_conv = (LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_UnsignedNodeAnnouncementDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9048,7 +9048,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeAnnouncementDecodeErrorZ* owner_conv = (LDKCResult_NodeAnnouncementDecodeErrorZ*)(owner & ~1);
        LDKNodeAnnouncement ret_var = CResult_NodeAnnouncementDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9066,7 +9066,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_NodeAnnouncementDecodeErrorZ* owner_conv = (LDKCResult_NodeAnnouncementDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_NodeAnnouncementDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9084,7 +9084,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelIdsDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_QueryShortChannelIdsDecodeErrorZ* owner_conv = (LDKCResult_QueryShortChannelIdsDecodeErrorZ*)(owner & ~1);
        LDKQueryShortChannelIds ret_var = CResult_QueryShortChannelIdsDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9102,7 +9102,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelIdsDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_QueryShortChannelIdsDecodeErrorZ* owner_conv = (LDKCResult_QueryShortChannelIdsDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_QueryShortChannelIdsDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9120,7 +9120,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelIdsEndDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ* owner_conv = (LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ*)(owner & ~1);
        LDKReplyShortChannelIdsEnd ret_var = CResult_ReplyShortChannelIdsEndDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9138,7 +9138,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelIdsEndDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ* owner_conv = (LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ReplyShortChannelIdsEndDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9156,7 +9156,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_QueryChannelRangeDecodeErrorZ* owner_conv = (LDKCResult_QueryChannelRangeDecodeErrorZ*)(owner & ~1);
        LDKQueryChannelRange ret_var = CResult_QueryChannelRangeDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9174,7 +9174,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_QueryChannelRangeDecodeErrorZ* owner_conv = (LDKCResult_QueryChannelRangeDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_QueryChannelRangeDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9192,7 +9192,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ReplyChannelRangeDecodeErrorZ* owner_conv = (LDKCResult_ReplyChannelRangeDecodeErrorZ*)(owner & ~1);
        LDKReplyChannelRange ret_var = CResult_ReplyChannelRangeDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9210,7 +9210,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_ReplyChannelRangeDecodeErrorZ* owner_conv = (LDKCResult_ReplyChannelRangeDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_ReplyChannelRangeDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9228,7 +9228,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFilterDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_GossipTimestampFilterDecodeErrorZ* owner_conv = (LDKCResult_GossipTimestampFilterDecodeErrorZ*)(owner & ~1);
        LDKGossipTimestampFilter ret_var = CResult_GossipTimestampFilterDecodeErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9246,7 +9246,7 @@ CHECK(!owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFilterDecodeErrorZ_1get_1err(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_GossipTimestampFilterDecodeErrorZ* owner_conv = (LDKCResult_GossipTimestampFilterDecodeErrorZ*)(owner & ~1);
        LDKDecodeError ret_var = CResult_GossipTimestampFilterDecodeErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9300,7 +9300,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreationErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_InvoiceSignOrCreationErrorZ* owner_conv = (LDKCResult_InvoiceSignOrCreationErrorZ*)(owner & ~1);
        LDKInvoice ret_var = CResult_InvoiceSignOrCreationErrorZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9319,7 +9319,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreat
        LDKCResult_InvoiceSignOrCreationErrorZ* owner_conv = (LDKCResult_InvoiceSignOrCreationErrorZ*)(owner & ~1);
        LDKSignOrCreationError *ret_copy = MALLOC(sizeof(LDKSignOrCreationError), "LDKSignOrCreationError");
        *ret_copy = CResult_InvoiceSignOrCreationErrorZ_get_err(owner_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -9382,7 +9382,7 @@ LDKCOption_C2Tuple_usizeTransactionZZ register_output_LDKFilter_jcall(const void
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKWatchedOutput output_var = output;
-       uintptr_t output_ref = 0;
+       int64_t output_ref = 0;
        CHECK((((uintptr_t)output_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&output_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(output_var);
@@ -9461,7 +9461,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Filter_1register_1output(JN
        output_conv = WatchedOutput_clone(&output_conv);
        LDKCOption_C2Tuple_usizeTransactionZZ *ret_copy = MALLOC(sizeof(LDKCOption_C2Tuple_usizeTransactionZZ), "LDKCOption_C2Tuple_usizeTransactionZZ");
        *ret_copy = (this_arg_conv->register_output)(this_arg_conv->this_arg, output_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -9492,7 +9492,7 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKCOption_1FilterZ_1ref_1f
                                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                                LDKFilter_JCalls_cloned(&(*some_ret));
                        }
-                       return (*env)->NewObject(env, LDKCOption_FilterZ_Some_class, LDKCOption_FilterZ_Some_meth, (uintptr_t)some_ret);
+                       return (*env)->NewObject(env, LDKCOption_FilterZ_Some_class, LDKCOption_FilterZ_Some_meth, (int64_t)some_ret);
                }
                case LDKCOption_FilterZ_None: {
                        return (*env)->NewObject(env, LDKCOption_FilterZ_None_class, LDKCOption_FilterZ_None_meth);
@@ -9507,7 +9507,7 @@ CHECK(owner->result_ok);
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1LockedChannelMonitorNoneZ_1get_1ok(JNIEnv *env, jclass clz, int64_t owner) {
        LDKCResult_LockedChannelMonitorNoneZ* owner_conv = (LDKCResult_LockedChannelMonitorNoneZ*)(owner & ~1);
        LDKLockedChannelMonitor ret_var = *CResult_LockedChannelMonitorNoneZ_get_ok(owner_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -9628,7 +9628,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_MessageSendEventsProvi
        for (size_t s = 0; s < ret_var.datalen; s++) {
                LDKMessageSendEvent *ret_conv_18_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
                *ret_conv_18_copy = ret_var.data[s];
-               uintptr_t ret_conv_18_ref = (uintptr_t)ret_conv_18_copy;
+               int64_t ret_conv_18_ref = (uintptr_t)ret_conv_18_copy;
                ret_arr_ptr[s] = ret_conv_18_ref;
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
@@ -9672,7 +9672,7 @@ void handle_event_LDKEventHandler_jcall(const void* this_arg, const LDKEvent * e
        *ret_event = Event_clone(event);
        jobject obj = (*env)->NewLocalRef(env, j_calls->o);
        CHECK(obj != NULL);
-       (*env)->CallVoidMethod(env, obj, j_calls->handle_event_meth, (uintptr_t)ret_event);
+       (*env)->CallVoidMethod(env, obj, j_calls->handle_event_meth, (int64_t)ret_event);
        if (UNLIKELY((*env)->ExceptionCheck(env))) {
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_event in LDKEventHandler from rust threw an exception.");
@@ -9751,7 +9751,7 @@ void process_pending_events_LDKEventsProvider_jcall(const void* this_arg, LDKEve
        *handler_ret = handler;
        jobject obj = (*env)->NewLocalRef(env, j_calls->o);
        CHECK(obj != NULL);
-       (*env)->CallVoidMethod(env, obj, j_calls->process_pending_events_meth, (uintptr_t)handler_ret);
+       (*env)->CallVoidMethod(env, obj, j_calls->process_pending_events_meth, (int64_t)handler_ret);
        if (UNLIKELY((*env)->ExceptionCheck(env))) {
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to process_pending_events in LDKEventsProvider from rust threw an exception.");
@@ -9964,7 +9964,7 @@ void transactions_confirmed_LDKConfirm_jcall(const void* this_arg, const uint8_t
        for (size_t c = 0; c < txdata_var.datalen; c++) {
                LDKC2Tuple_usizeTransactionZ* txdata_conv_28_conv = MALLOC(sizeof(LDKC2Tuple_usizeTransactionZ), "LDKC2Tuple_usizeTransactionZ");
                *txdata_conv_28_conv = txdata_var.data[c];
-               txdata_arr_ptr[c] = ((uintptr_t)txdata_conv_28_conv);
+               txdata_arr_ptr[c] = ((int64_t)txdata_conv_28_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, txdata_arr, txdata_arr_ptr, 0);
        FREE(txdata_var.data);
@@ -10193,7 +10193,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ persist_new_channel_LDKPersist_jcall(con
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKOutPoint channel_id_var = channel_id;
-       uintptr_t channel_id_ref = 0;
+       int64_t channel_id_ref = 0;
        CHECK((((uintptr_t)channel_id_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&channel_id_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(channel_id_var);
@@ -10202,7 +10202,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ persist_new_channel_LDKPersist_jcall(con
                channel_id_ref |= 1;
        }
        LDKChannelMonitor data_var = *data;
-       uintptr_t data_ref = 0;
+       int64_t data_ref = 0;
        data_var = ChannelMonitor_clone(data);
        CHECK((((uintptr_t)data_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&data_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10212,7 +10212,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ persist_new_channel_LDKPersist_jcall(con
                data_ref |= 1;
        }
        LDKMonitorUpdateId update_id_var = update_id;
-       uintptr_t update_id_ref = 0;
+       int64_t update_id_ref = 0;
        CHECK((((uintptr_t)update_id_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&update_id_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(update_id_var);
@@ -10246,7 +10246,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_persisted_channel_LDKPersist_jcal
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKOutPoint channel_id_var = channel_id;
-       uintptr_t channel_id_ref = 0;
+       int64_t channel_id_ref = 0;
        CHECK((((uintptr_t)channel_id_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&channel_id_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(channel_id_var);
@@ -10255,7 +10255,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_persisted_channel_LDKPersist_jcal
                channel_id_ref |= 1;
        }
        LDKChannelMonitorUpdate update_var = *update;
-       uintptr_t update_ref = 0;
+       int64_t update_ref = 0;
        if ((uintptr_t)update_var.inner > 4096) {
                update_var = ChannelMonitorUpdate_clone(update);
                CHECK((((uintptr_t)update_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -10267,7 +10267,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_persisted_channel_LDKPersist_jcal
                }
        }
        LDKChannelMonitor data_var = *data;
-       uintptr_t data_ref = 0;
+       int64_t data_ref = 0;
        data_var = ChannelMonitor_clone(data);
        CHECK((((uintptr_t)data_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&data_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10277,7 +10277,7 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_persisted_channel_LDKPersist_jcal
                data_ref |= 1;
        }
        LDKMonitorUpdateId update_id_var = update_id;
-       uintptr_t update_id_ref = 0;
+       int64_t update_id_ref = 0;
        CHECK((((uintptr_t)update_id_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&update_id_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(update_id_var);
@@ -10350,7 +10350,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Persist_1persist_1new_1chan
        update_id_conv = MonitorUpdateId_clone(&update_id_conv);
        LDKCResult_NoneChannelMonitorUpdateErrZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneChannelMonitorUpdateErrZ), "LDKCResult_NoneChannelMonitorUpdateErrZ");
        *ret_conv = (this_arg_conv->persist_new_channel)(this_arg_conv->this_arg, channel_id_conv, &data_conv, update_id_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Persist_1update_1persisted_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int64_t channel_id, int64_t update, int64_t data, int64_t update_id) {
@@ -10377,7 +10377,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Persist_1update_1persisted_
        update_id_conv = MonitorUpdateId_clone(&update_id_conv);
        LDKCResult_NoneChannelMonitorUpdateErrZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneChannelMonitorUpdateErrZ), "LDKCResult_NoneChannelMonitorUpdateErrZ");
        *ret_conv = (this_arg_conv->update_persisted_channel)(this_arg_conv->this_arg, channel_id_conv, &update_conv, &data_conv, update_id_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 typedef struct LDKChannelMessageHandler_JCalls {
@@ -10435,7 +10435,7 @@ void handle_open_channel_LDKChannelMessageHandler_jcall(const void* this_arg, LD
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKInitFeatures their_features_var = their_features;
-       uintptr_t their_features_ref = 0;
+       int64_t their_features_ref = 0;
        CHECK((((uintptr_t)their_features_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&their_features_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(their_features_var);
@@ -10444,7 +10444,7 @@ void handle_open_channel_LDKChannelMessageHandler_jcall(const void* this_arg, LD
                their_features_ref |= 1;
        }
        LDKOpenChannel msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = OpenChannel_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10476,7 +10476,7 @@ void handle_accept_channel_LDKChannelMessageHandler_jcall(const void* this_arg,
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKInitFeatures their_features_var = their_features;
-       uintptr_t their_features_ref = 0;
+       int64_t their_features_ref = 0;
        CHECK((((uintptr_t)their_features_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&their_features_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(their_features_var);
@@ -10485,7 +10485,7 @@ void handle_accept_channel_LDKChannelMessageHandler_jcall(const void* this_arg,
                their_features_ref |= 1;
        }
        LDKAcceptChannel msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = AcceptChannel_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10517,7 +10517,7 @@ void handle_funding_created_LDKChannelMessageHandler_jcall(const void* this_arg,
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKFundingCreated msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = FundingCreated_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10549,7 +10549,7 @@ void handle_funding_signed_LDKChannelMessageHandler_jcall(const void* this_arg,
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKFundingSigned msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = FundingSigned_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10581,7 +10581,7 @@ void handle_funding_locked_LDKChannelMessageHandler_jcall(const void* this_arg,
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKFundingLocked msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = FundingLocked_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10613,7 +10613,7 @@ void handle_shutdown_LDKChannelMessageHandler_jcall(const void* this_arg, LDKPub
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKInitFeatures their_features_var = *their_features;
-       uintptr_t their_features_ref = 0;
+       int64_t their_features_ref = 0;
        their_features_var = InitFeatures_clone(their_features);
        CHECK((((uintptr_t)their_features_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&their_features_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10623,7 +10623,7 @@ void handle_shutdown_LDKChannelMessageHandler_jcall(const void* this_arg, LDKPub
                their_features_ref |= 1;
        }
        LDKShutdown msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = Shutdown_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10655,7 +10655,7 @@ void handle_closing_signed_LDKChannelMessageHandler_jcall(const void* this_arg,
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKClosingSigned msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = ClosingSigned_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10687,7 +10687,7 @@ void handle_update_add_htlc_LDKChannelMessageHandler_jcall(const void* this_arg,
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKUpdateAddHTLC msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = UpdateAddHTLC_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10719,7 +10719,7 @@ void handle_update_fulfill_htlc_LDKChannelMessageHandler_jcall(const void* this_
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKUpdateFulfillHTLC msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = UpdateFulfillHTLC_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10751,7 +10751,7 @@ void handle_update_fail_htlc_LDKChannelMessageHandler_jcall(const void* this_arg
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKUpdateFailHTLC msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = UpdateFailHTLC_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10783,7 +10783,7 @@ void handle_update_fail_malformed_htlc_LDKChannelMessageHandler_jcall(const void
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKUpdateFailMalformedHTLC msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = UpdateFailMalformedHTLC_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10815,7 +10815,7 @@ void handle_commitment_signed_LDKChannelMessageHandler_jcall(const void* this_ar
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKCommitmentSigned msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = CommitmentSigned_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10847,7 +10847,7 @@ void handle_revoke_and_ack_LDKChannelMessageHandler_jcall(const void* this_arg,
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKRevokeAndACK msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = RevokeAndACK_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10879,7 +10879,7 @@ void handle_update_fee_LDKChannelMessageHandler_jcall(const void* this_arg, LDKP
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKUpdateFee msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = UpdateFee_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10911,7 +10911,7 @@ void handle_announcement_signatures_LDKChannelMessageHandler_jcall(const void* t
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKAnnouncementSignatures msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = AnnouncementSignatures_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10965,7 +10965,7 @@ void peer_connected_LDKChannelMessageHandler_jcall(const void* this_arg, LDKPubl
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKInit msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = Init_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -10997,7 +10997,7 @@ void handle_channel_reestablish_LDKChannelMessageHandler_jcall(const void* this_
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKChannelReestablish msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = ChannelReestablish_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -11029,7 +11029,7 @@ void handle_channel_update_LDKChannelMessageHandler_jcall(const void* this_arg,
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKChannelUpdate msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = ChannelUpdate_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -11061,7 +11061,7 @@ void handle_error_LDKChannelMessageHandler_jcall(const void* this_arg, LDKPublic
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKErrorMessage msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = ErrorMessage_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -11506,7 +11506,7 @@ LDKCResult_boolLightningErrorZ handle_node_announcement_LDKRoutingMessageHandler
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKNodeAnnouncement msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = NodeAnnouncement_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -11541,7 +11541,7 @@ LDKCResult_boolLightningErrorZ handle_channel_announcement_LDKRoutingMessageHand
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKChannelAnnouncement msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = ChannelAnnouncement_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -11576,7 +11576,7 @@ LDKCResult_boolLightningErrorZ handle_channel_update_LDKRoutingMessageHandler_jc
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKChannelUpdate msg_var = *msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        msg_var = ChannelUpdate_clone(msg);
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -11689,7 +11689,7 @@ void sync_routing_table_LDKRoutingMessageHandler_jcall(const void* this_arg, LDK
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKInit init_var = *init;
-       uintptr_t init_ref = 0;
+       int64_t init_ref = 0;
        init_var = Init_clone(init);
        CHECK((((uintptr_t)init_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&init_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -11721,7 +11721,7 @@ LDKCResult_NoneLightningErrorZ handle_reply_channel_range_LDKRoutingMessageHandl
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKReplyChannelRange msg_var = msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -11757,7 +11757,7 @@ LDKCResult_NoneLightningErrorZ handle_reply_short_channel_ids_end_LDKRoutingMess
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKReplyShortChannelIdsEnd msg_var = msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -11793,7 +11793,7 @@ LDKCResult_NoneLightningErrorZ handle_query_channel_range_LDKRoutingMessageHandl
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKQueryChannelRange msg_var = msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -11829,7 +11829,7 @@ LDKCResult_NoneLightningErrorZ handle_query_short_channel_ids_LDKRoutingMessageH
        int8_tArray their_node_id_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, their_node_id_arr, 0, 33, their_node_id.compressed_form);
        LDKQueryShortChannelIds msg_var = msg;
-       uintptr_t msg_ref = 0;
+       int64_t msg_ref = 0;
        CHECK((((uintptr_t)msg_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&msg_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_var);
@@ -11925,7 +11925,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_conv);
        LDKCResult_boolLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolLightningErrorZ), "LDKCResult_boolLightningErrorZ");
        *ret_conv = (this_arg_conv->handle_node_announcement)(this_arg_conv->this_arg, &msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1channel_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
@@ -11938,7 +11938,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_conv);
        LDKCResult_boolLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolLightningErrorZ), "LDKCResult_boolLightningErrorZ");
        *ret_conv = (this_arg_conv->handle_channel_announcement)(this_arg_conv->this_arg, &msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1channel_1update(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
@@ -11951,7 +11951,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_conv);
        LDKCResult_boolLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolLightningErrorZ), "LDKCResult_boolLightningErrorZ");
        *ret_conv = (this_arg_conv->handle_channel_update)(this_arg_conv->this_arg, &msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1get_1next_1channel_1announcements(JNIEnv *env, jclass clz, int64_t this_arg, int64_t starting_point, int8_t batch_amount) {
@@ -11965,7 +11965,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_
        for (size_t h = 0; h < ret_var.datalen; h++) {
                LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* ret_conv_59_conv = MALLOC(sizeof(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ), "LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ");
                *ret_conv_59_conv = ret_var.data[h];
-               ret_arr_ptr[h] = ((uintptr_t)ret_conv_59_conv);
+               ret_arr_ptr[h] = ((int64_t)ret_conv_59_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
        FREE(ret_var.data);
@@ -11985,7 +11985,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t s = 0; s < ret_var.datalen; s++) {
                LDKNodeAnnouncement ret_conv_18_var = ret_var.data[s];
-               uintptr_t ret_conv_18_ref = 0;
+               int64_t ret_conv_18_ref = 0;
                CHECK((((uintptr_t)ret_conv_18_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_18_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_18_var);
@@ -12028,7 +12028,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
        msg_conv = ReplyChannelRange_clone(&msg_conv);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = (this_arg_conv->handle_reply_channel_range)(this_arg_conv->this_arg, their_node_id_ref, msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1reply_1short_1channel_1ids_1end(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
@@ -12045,7 +12045,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
        msg_conv = ReplyShortChannelIdsEnd_clone(&msg_conv);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = (this_arg_conv->handle_reply_short_channel_ids_end)(this_arg_conv->this_arg, their_node_id_ref, msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1query_1channel_1range(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
@@ -12062,7 +12062,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
        msg_conv = QueryChannelRange_clone(&msg_conv);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = (this_arg_conv->handle_query_channel_range)(this_arg_conv->this_arg, their_node_id_ref, msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1query_1short_1channel_1ids(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
@@ -12079,7 +12079,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
        msg_conv = QueryShortChannelIds_clone(&msg_conv);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = (this_arg_conv->handle_query_short_channel_ids)(this_arg_conv->this_arg, their_node_id_ref, msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 typedef struct LDKCustomMessageReader_JCalls {
@@ -12169,7 +12169,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CustomMessageReader_1read(J
        LDKCResult_COption_TypeZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_TypeZDecodeErrorZ), "LDKCResult_COption_TypeZDecodeErrorZ");
        *ret_conv = (this_arg_conv->read)(this_arg_conv->this_arg, message_type, buffer_ref);
        (*env)->ReleaseByteArrayElements(env, buffer, (int8_t*)buffer_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 typedef struct LDKCustomMessageHandler_JCalls {
@@ -12212,7 +12212,7 @@ LDKCResult_NoneLightningErrorZ handle_custom_message_LDKCustomMessageHandler_jca
        (*env)->SetByteArrayRegion(env, sender_node_id_arr, 0, 33, sender_node_id.compressed_form);
        jobject obj = (*env)->NewLocalRef(env, j_calls->o);
        CHECK(obj != NULL);
-       uint64_t ret = (*env)->CallLongMethod(env, obj, j_calls->handle_custom_message_meth, (uintptr_t)msg_ret, sender_node_id_arr);
+       uint64_t ret = (*env)->CallLongMethod(env, obj, j_calls->handle_custom_message_meth, (int64_t)msg_ret, sender_node_id_arr);
        if (UNLIKELY((*env)->ExceptionCheck(env))) {
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_custom_message in LDKCustomMessageHandler from rust threw an exception.");
@@ -12317,7 +12317,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CustomMessageHandler_1handl
        (*env)->GetByteArrayRegion(env, sender_node_id, 0, 33, sender_node_id_ref.compressed_form);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = (this_arg_conv->handle_custom_message)(this_arg_conv->this_arg, msg_conv, sender_node_id_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_CustomMessageHandler_1get_1and_1clear_1pending_1msg(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -12331,7 +12331,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_CustomMessageHandler_1
        for (size_t z = 0; z < ret_var.datalen; z++) {
                LDKC2Tuple_PublicKeyTypeZ* ret_conv_25_conv = MALLOC(sizeof(LDKC2Tuple_PublicKeyTypeZ), "LDKC2Tuple_PublicKeyTypeZ");
                *ret_conv_25_conv = ret_var.data[z];
-               ret_arr_ptr[z] = ((uintptr_t)ret_conv_25_conv);
+               ret_arr_ptr[z] = ((int64_t)ret_conv_25_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
        FREE(ret_var.data);
@@ -12378,7 +12378,7 @@ uintptr_t send_data_LDKSocketDescriptor_jcall(void* this_arg, LDKu8slice data, b
        (*env)->SetByteArrayRegion(env, data_arr, 0, data_var.datalen, data_var.data);
        jobject obj = (*env)->NewLocalRef(env, j_calls->o);
        CHECK(obj != NULL);
-       intptr_t ret = (*env)->CallLongMethod(env, obj, j_calls->send_data_meth, data_arr, resume_read);
+       int64_t ret = (*env)->CallLongMethod(env, obj, j_calls->send_data_meth, data_arr, resume_read);
        if (UNLIKELY((*env)->ExceptionCheck(env))) {
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to send_data in LDKSocketDescriptor from rust threw an exception.");
@@ -12421,7 +12421,7 @@ bool eq_LDKSocketDescriptor_jcall(const void* this_arg, const LDKSocketDescripto
        *other_arg_clone = SocketDescriptor_clone(other_arg);
        jobject obj = (*env)->NewLocalRef(env, j_calls->o);
        CHECK(obj != NULL);
-       jboolean ret = (*env)->CallBooleanMethod(env, obj, j_calls->eq_meth, (uintptr_t)other_arg_clone);
+       jboolean ret = (*env)->CallBooleanMethod(env, obj, j_calls->eq_meth, (int64_t)other_arg_clone);
        if (UNLIKELY((*env)->ExceptionCheck(env))) {
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to eq in LDKSocketDescriptor from rust threw an exception.");
@@ -12488,14 +12488,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKSocketDescriptor_1new(JN
        *res_ptr = LDKSocketDescriptor_init(env, clz, o);
        return (uint64_t)res_ptr;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1send_1data(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray data, jboolean resume_read) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1send_1data(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray data, jboolean resume_read) {
        void* this_arg_ptr = (void*)(((uintptr_t)this_arg) & ~1);
        if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
        LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)this_arg_ptr;
        LDKu8slice data_ref;
        data_ref.datalen = (*env)->GetArrayLength(env, data);
        data_ref.data = (*env)->GetByteArrayElements (env, data, NULL);
-       intptr_t ret_val = (this_arg_conv->send_data)(this_arg_conv->this_arg, data_ref, resume_read);
+       int64_t ret_val = (this_arg_conv->send_data)(this_arg_conv->this_arg, data_ref, resume_read);
        (*env)->ReleaseByteArrayElements(env, data, (int8_t*)data_ref.data, 0);
        return ret_val;
 }
@@ -12609,7 +12609,7 @@ uint64_t channel_penalty_msat_LDKScore_jcall(const void* this_arg, uint64_t shor
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKNodeId source_var = *source;
-       uintptr_t source_ref = 0;
+       int64_t source_ref = 0;
        source_var = NodeId_clone(source);
        CHECK((((uintptr_t)source_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&source_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -12619,7 +12619,7 @@ uint64_t channel_penalty_msat_LDKScore_jcall(const void* this_arg, uint64_t shor
                source_ref |= 1;
        }
        LDKNodeId target_var = *target;
-       uintptr_t target_ref = 0;
+       int64_t target_ref = 0;
        target_var = NodeId_clone(target);
        CHECK((((uintptr_t)target_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&target_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -12655,7 +12655,7 @@ void payment_path_failed_LDKScore_jcall(void* this_arg, LDKCVec_RouteHopZ path,
        int64_t *path_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, path_arr, NULL);
        for (size_t k = 0; k < path_var.datalen; k++) {
                LDKRouteHop path_conv_10_var = path_var.data[k];
-               uintptr_t path_conv_10_ref = 0;
+               int64_t path_conv_10_ref = 0;
                CHECK((((uintptr_t)path_conv_10_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&path_conv_10_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(path_conv_10_var);
@@ -12693,7 +12693,7 @@ void payment_path_successful_LDKScore_jcall(void* this_arg, LDKCVec_RouteHopZ pa
        int64_t *path_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, path_arr, NULL);
        for (size_t k = 0; k < path_var.datalen; k++) {
                LDKRouteHop path_conv_10_var = path_var.data[k];
-               uintptr_t path_conv_10_ref = 0;
+               int64_t path_conv_10_ref = 0;
                CHECK((((uintptr_t)path_conv_10_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&path_conv_10_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(path_conv_10_var);
@@ -12935,7 +12935,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LockableScore_1lock(JNIEnv
        LDKLockableScore* this_arg_conv = (LDKLockableScore*)this_arg_ptr;
        LDKScore* ret_ret = MALLOC(sizeof(LDKScore), "LDKScore");
        *ret_ret = (this_arg_conv->lock)(this_arg_conv->this_arg);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 typedef struct LDKChannelManagerPersister_JCalls {
@@ -12971,7 +12971,7 @@ LDKCResult_NoneErrorZ persist_manager_LDKChannelManagerPersister_jcall(const voi
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKChannelManager channel_manager_var = *channel_manager;
-       uintptr_t channel_manager_ref = 0;
+       int64_t channel_manager_ref = 0;
        // WARNING: we may need a move here but no clone is available for LDKChannelManager
        CHECK((((uintptr_t)channel_manager_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&channel_manager_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -13032,7 +13032,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerPersister_1pe
        CHECK_INNER_FIELD_ACCESS_OR_NULL(channel_manager_conv);
        LDKCResult_NoneErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneErrorZ), "LDKCResult_NoneErrorZ");
        *ret_conv = (this_arg_conv->persist_manager)(this_arg_conv->this_arg, &channel_manager_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static jclass LDKFallback_SegWitProgram_class = NULL;
@@ -13180,7 +13180,7 @@ LDKCResult_PaymentIdPaymentSendFailureZ send_payment_LDKPayer_jcall(const void*
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKRoute route_var = *route;
-       uintptr_t route_ref = 0;
+       int64_t route_ref = 0;
        route_var = Route_clone(route);
        CHECK((((uintptr_t)route_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&route_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -13219,7 +13219,7 @@ LDKCResult_PaymentIdPaymentSendFailureZ send_spontaneous_payment_LDKPayer_jcall(
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKRoute route_var = *route;
-       uintptr_t route_ref = 0;
+       int64_t route_ref = 0;
        route_var = Route_clone(route);
        CHECK((((uintptr_t)route_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&route_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -13256,7 +13256,7 @@ LDKCResult_NonePaymentSendFailureZ retry_payment_LDKPayer_jcall(const void* this
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKRoute route_var = *route;
-       uintptr_t route_ref = 0;
+       int64_t route_ref = 0;
        route_var = Route_clone(route);
        CHECK((((uintptr_t)route_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&route_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -13365,7 +13365,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_Payer_1first_1hops(JNI
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t q = 0; q < ret_var.datalen; q++) {
                LDKChannelDetails ret_conv_16_var = ret_var.data[q];
-               uintptr_t ret_conv_16_ref = 0;
+               int64_t ret_conv_16_ref = 0;
                CHECK((((uintptr_t)ret_conv_16_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_16_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_16_var);
@@ -13396,7 +13396,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Payer_1send_1payment(JNIEnv
        (*env)->GetByteArrayRegion(env, payment_secret, 0, 32, payment_secret_ref.data);
        LDKCResult_PaymentIdPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentSendFailureZ), "LDKCResult_PaymentIdPaymentSendFailureZ");
        *ret_conv = (this_arg_conv->send_payment)(this_arg_conv->this_arg, &route_conv, payment_hash_ref, payment_secret_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Payer_1send_1spontaneous_1payment(JNIEnv *env, jclass clz, int64_t this_arg, int64_t route, int8_tArray payment_preimage) {
@@ -13412,7 +13412,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Payer_1send_1spontaneous_1p
        (*env)->GetByteArrayRegion(env, payment_preimage, 0, 32, payment_preimage_ref.data);
        LDKCResult_PaymentIdPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentSendFailureZ), "LDKCResult_PaymentIdPaymentSendFailureZ");
        *ret_conv = (this_arg_conv->send_spontaneous_payment)(this_arg_conv->this_arg, &route_conv, payment_preimage_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Payer_1retry_1payment(JNIEnv *env, jclass clz, int64_t this_arg, int64_t route, int8_tArray payment_id) {
@@ -13428,7 +13428,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Payer_1retry_1payment(JNIEn
        (*env)->GetByteArrayRegion(env, payment_id, 0, 32, payment_id_ref.data);
        LDKCResult_NonePaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePaymentSendFailureZ), "LDKCResult_NonePaymentSendFailureZ");
        *ret_conv = (this_arg_conv->retry_payment)(this_arg_conv->this_arg, &route_conv, payment_id_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Payer_1abandon_1payment(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray payment_id) {
@@ -13476,7 +13476,7 @@ LDKCResult_RouteLightningErrorZ find_route_LDKRouter_jcall(const void* this_arg,
        int8_tArray payer_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, payer_arr, 0, 33, payer.compressed_form);
        LDKRouteParameters route_params_var = *route_params;
-       uintptr_t route_params_ref = 0;
+       int64_t route_params_ref = 0;
        route_params_var = RouteParameters_clone(route_params);
        CHECK((((uintptr_t)route_params_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&route_params_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -13495,7 +13495,7 @@ LDKCResult_RouteLightningErrorZ find_route_LDKRouter_jcall(const void* this_arg,
                int64_t *first_hops_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, first_hops_arr, NULL);
                for (size_t q = 0; q < first_hops_var.datalen; q++) {
                        LDKChannelDetails first_hops_conv_16_var =      first_hops_var.data[q];
-                       uintptr_t first_hops_conv_16_ref = 0;
+                       int64_t first_hops_conv_16_ref = 0;
                        CHECK((((uintptr_t)first_hops_conv_16_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&first_hops_conv_16_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(first_hops_conv_16_var);
@@ -13508,7 +13508,7 @@ LDKCResult_RouteLightningErrorZ find_route_LDKRouter_jcall(const void* this_arg,
                (*env)->ReleasePrimitiveArrayCritical(env, first_hops_arr, first_hops_arr_ptr, 0);
        }
        // WARNING: This object doesn't live past this scope, needs clone!
-       uintptr_t ret_scorer = ((uintptr_t)scorer) | 1;
+       int64_t ret_scorer = ((uintptr_t)scorer) | 1;
        jobject obj = (*env)->NewLocalRef(env, j_calls->o);
        CHECK(obj != NULL);
        uint64_t ret = (*env)->CallLongMethod(env, obj, j_calls->find_route_meth, payer_arr, route_params_ref, payment_hash_arr, first_hops_arr, ret_scorer);
@@ -13592,7 +13592,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Router_1find_1route(JNIEnv
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = (this_arg_conv->find_route)(this_arg_conv->this_arg, payer_ref, &route_params_conv, payment_hash_ref, first_hops_ptr, scorer_conv);
        if (first_hops_ptr != NULL) { FREE(first_hops_constr.data); }
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings__1ldk_1get_1compiled_1version(JNIEnv *env, jclass clz) {
@@ -13625,7 +13625,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxOut_1new(JNIEnv *env, jcl
        (*env)->GetByteArrayRegion(env, script_pubkey, 0, script_pubkey_ref.datalen, script_pubkey_ref.data);
        LDKTxOut* ret_ref = MALLOC(sizeof(LDKTxOut), "LDKTxOut");
        *ret_ref = TxOut_new(script_pubkey_ref, value);
-       return (uintptr_t)ret_ref;
+       return (int64_t)ret_ref;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_TxOut_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -13640,11 +13640,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_TxOut_1free(JNIEnv *env, jclas
 static inline uintptr_t TxOut_clone_ptr(LDKTxOut *NONNULL_PTR arg) {
        LDKTxOut* ret_ref = MALLOC(sizeof(LDKTxOut), "LDKTxOut");
        *ret_ref = TxOut_clone(arg);
-       return (uintptr_t)ret_ref;
+       return (int64_t)ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_TxOut_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxOut_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKTxOut* arg_conv = (LDKTxOut*)(arg & ~1);
-       intptr_t ret_val = TxOut_clone_ptr(arg_conv);
+       int64_t ret_val = TxOut_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -13652,7 +13652,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxOut_1clone(JNIEnv *env, j
        LDKTxOut* orig_conv = (LDKTxOut*)(orig & ~1);
        LDKTxOut* ret_ref = MALLOC(sizeof(LDKTxOut), "LDKTxOut");
        *ret_ref = TxOut_clone(orig_conv);
-       return (uintptr_t)ret_ref;
+       return (int64_t)ret_ref;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Str_1free(JNIEnv *env, jclass clz, jstring _res) {
@@ -13663,13 +13663,13 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Str_1free(JNIEnv *env, jclass
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneNoneZ_1ok(JNIEnv *env, jclass clz) {
        LDKCResult_NoneNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneNoneZ), "LDKCResult_NoneNoneZ");
        *ret_conv = CResult_NoneNoneZ_ok();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_NoneNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneNoneZ), "LDKCResult_NoneNoneZ");
        *ret_conv = CResult_NoneNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NoneNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13690,11 +13690,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneNoneZ_1free(JNIEn
 static inline uintptr_t CResult_NoneNoneZ_clone_ptr(LDKCResult_NoneNoneZ *NONNULL_PTR arg) {
        LDKCResult_NoneNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneNoneZ), "LDKCResult_NoneNoneZ");
        *ret_conv = CResult_NoneNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NoneNoneZ* arg_conv = (LDKCResult_NoneNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NoneNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NoneNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -13702,7 +13702,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneNoneZ_1clone(J
        LDKCResult_NoneNoneZ* orig_conv = (LDKCResult_NoneNoneZ*)(orig & ~1);
        LDKCResult_NoneNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneNoneZ), "LDKCResult_NoneNoneZ");
        *ret_conv = CResult_NoneNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommitmentSecretsDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13713,7 +13713,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommit
        o_conv = CounterpartyCommitmentSecrets_clone(&o_conv);
        LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ), "LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ");
        *ret_conv = CResult_CounterpartyCommitmentSecretsDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommitmentSecretsDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -13724,7 +13724,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommit
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ), "LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ");
        *ret_conv = CResult_CounterpartyCommitmentSecretsDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommitmentSecretsDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13745,11 +13745,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommitmen
 static inline uintptr_t CResult_CounterpartyCommitmentSecretsDecodeErrorZ_clone_ptr(LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ), "LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ");
        *ret_conv = CResult_CounterpartyCommitmentSecretsDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommitmentSecretsDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommitmentSecretsDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ* arg_conv = (LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_CounterpartyCommitmentSecretsDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_CounterpartyCommitmentSecretsDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -13757,7 +13757,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyCommit
        LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ* orig_conv = (LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ*)(orig & ~1);
        LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ), "LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ");
        *ret_conv = CResult_CounterpartyCommitmentSecretsDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1ok(JNIEnv *env, jclass clz, int8_tArray o) {
@@ -13766,14 +13766,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1o
        (*env)->GetByteArrayRegion(env, o, 0, 32, o_ref.bytes);
        LDKCResult_SecretKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyErrorZ), "LDKCResult_SecretKeyErrorZ");
        *ret_conv = CResult_SecretKeyErrorZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKSecp256k1Error e_conv = LDKSecp256k1Error_from_java(env, e);
        LDKCResult_SecretKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyErrorZ), "LDKCResult_SecretKeyErrorZ");
        *ret_conv = CResult_SecretKeyErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13794,11 +13794,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1free
 static inline uintptr_t CResult_SecretKeyErrorZ_clone_ptr(LDKCResult_SecretKeyErrorZ *NONNULL_PTR arg) {
        LDKCResult_SecretKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyErrorZ), "LDKCResult_SecretKeyErrorZ");
        *ret_conv = CResult_SecretKeyErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_SecretKeyErrorZ* arg_conv = (LDKCResult_SecretKeyErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_SecretKeyErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_SecretKeyErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -13806,7 +13806,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1c
        LDKCResult_SecretKeyErrorZ* orig_conv = (LDKCResult_SecretKeyErrorZ*)(orig & ~1);
        LDKCResult_SecretKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyErrorZ), "LDKCResult_SecretKeyErrorZ");
        *ret_conv = CResult_SecretKeyErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1ok(JNIEnv *env, jclass clz, int8_tArray o) {
@@ -13815,14 +13815,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1o
        (*env)->GetByteArrayRegion(env, o, 0, 33, o_ref.compressed_form);
        LDKCResult_PublicKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PublicKeyErrorZ), "LDKCResult_PublicKeyErrorZ");
        *ret_conv = CResult_PublicKeyErrorZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKSecp256k1Error e_conv = LDKSecp256k1Error_from_java(env, e);
        LDKCResult_PublicKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PublicKeyErrorZ), "LDKCResult_PublicKeyErrorZ");
        *ret_conv = CResult_PublicKeyErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13843,11 +13843,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1free
 static inline uintptr_t CResult_PublicKeyErrorZ_clone_ptr(LDKCResult_PublicKeyErrorZ *NONNULL_PTR arg) {
        LDKCResult_PublicKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PublicKeyErrorZ), "LDKCResult_PublicKeyErrorZ");
        *ret_conv = CResult_PublicKeyErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PublicKeyErrorZ* arg_conv = (LDKCResult_PublicKeyErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PublicKeyErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PublicKeyErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -13855,7 +13855,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1c
        LDKCResult_PublicKeyErrorZ* orig_conv = (LDKCResult_PublicKeyErrorZ*)(orig & ~1);
        LDKCResult_PublicKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PublicKeyErrorZ), "LDKCResult_PublicKeyErrorZ");
        *ret_conv = CResult_PublicKeyErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13866,7 +13866,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDeco
        o_conv = TxCreationKeys_clone(&o_conv);
        LDKCResult_TxCreationKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysDecodeErrorZ), "LDKCResult_TxCreationKeysDecodeErrorZ");
        *ret_conv = CResult_TxCreationKeysDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -13877,7 +13877,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDeco
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_TxCreationKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysDecodeErrorZ), "LDKCResult_TxCreationKeysDecodeErrorZ");
        *ret_conv = CResult_TxCreationKeysDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13898,11 +13898,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDecodeE
 static inline uintptr_t CResult_TxCreationKeysDecodeErrorZ_clone_ptr(LDKCResult_TxCreationKeysDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_TxCreationKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysDecodeErrorZ), "LDKCResult_TxCreationKeysDecodeErrorZ");
        *ret_conv = CResult_TxCreationKeysDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_TxCreationKeysDecodeErrorZ* arg_conv = (LDKCResult_TxCreationKeysDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_TxCreationKeysDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_TxCreationKeysDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -13910,7 +13910,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDeco
        LDKCResult_TxCreationKeysDecodeErrorZ* orig_conv = (LDKCResult_TxCreationKeysDecodeErrorZ*)(orig & ~1);
        LDKCResult_TxCreationKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysDecodeErrorZ), "LDKCResult_TxCreationKeysDecodeErrorZ");
        *ret_conv = CResult_TxCreationKeysDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13921,7 +13921,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysD
        o_conv = ChannelPublicKeys_clone(&o_conv);
        LDKCResult_ChannelPublicKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelPublicKeysDecodeErrorZ), "LDKCResult_ChannelPublicKeysDecodeErrorZ");
        *ret_conv = CResult_ChannelPublicKeysDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -13932,7 +13932,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysD
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelPublicKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelPublicKeysDecodeErrorZ), "LDKCResult_ChannelPublicKeysDecodeErrorZ");
        *ret_conv = CResult_ChannelPublicKeysDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13953,11 +13953,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysDeco
 static inline uintptr_t CResult_ChannelPublicKeysDecodeErrorZ_clone_ptr(LDKCResult_ChannelPublicKeysDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelPublicKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelPublicKeysDecodeErrorZ), "LDKCResult_ChannelPublicKeysDecodeErrorZ");
        *ret_conv = CResult_ChannelPublicKeysDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelPublicKeysDecodeErrorZ* arg_conv = (LDKCResult_ChannelPublicKeysDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelPublicKeysDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelPublicKeysDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -13965,7 +13965,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysD
        LDKCResult_ChannelPublicKeysDecodeErrorZ* orig_conv = (LDKCResult_ChannelPublicKeysDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelPublicKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelPublicKeysDecodeErrorZ), "LDKCResult_ChannelPublicKeysDecodeErrorZ");
        *ret_conv = CResult_ChannelPublicKeysDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -13976,14 +13976,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErro
        o_conv = TxCreationKeys_clone(&o_conv);
        LDKCResult_TxCreationKeysErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysErrorZ), "LDKCResult_TxCreationKeysErrorZ");
        *ret_conv = CResult_TxCreationKeysErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKSecp256k1Error e_conv = LDKSecp256k1Error_from_java(env, e);
        LDKCResult_TxCreationKeysErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysErrorZ), "LDKCResult_TxCreationKeysErrorZ");
        *ret_conv = CResult_TxCreationKeysErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14004,11 +14004,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErrorZ_
 static inline uintptr_t CResult_TxCreationKeysErrorZ_clone_ptr(LDKCResult_TxCreationKeysErrorZ *NONNULL_PTR arg) {
        LDKCResult_TxCreationKeysErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysErrorZ), "LDKCResult_TxCreationKeysErrorZ");
        *ret_conv = CResult_TxCreationKeysErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_TxCreationKeysErrorZ* arg_conv = (LDKCResult_TxCreationKeysErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_TxCreationKeysErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_TxCreationKeysErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14016,20 +14016,20 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErro
        LDKCResult_TxCreationKeysErrorZ* orig_conv = (LDKCResult_TxCreationKeysErrorZ*)(orig & ~1);
        LDKCResult_TxCreationKeysErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysErrorZ), "LDKCResult_TxCreationKeysErrorZ");
        *ret_conv = CResult_TxCreationKeysErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u32Z_1some(JNIEnv *env, jclass clz, int32_t o) {
        LDKCOption_u32Z *ret_copy = MALLOC(sizeof(LDKCOption_u32Z), "LDKCOption_u32Z");
        *ret_copy = COption_u32Z_some(o);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u32Z_1none(JNIEnv *env, jclass clz) {
        LDKCOption_u32Z *ret_copy = MALLOC(sizeof(LDKCOption_u32Z), "LDKCOption_u32Z");
        *ret_copy = COption_u32Z_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -14045,12 +14045,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1u32Z_1free(JNIEnv *en
 static inline uintptr_t COption_u32Z_clone_ptr(LDKCOption_u32Z *NONNULL_PTR arg) {
        LDKCOption_u32Z *ret_copy = MALLOC(sizeof(LDKCOption_u32Z), "LDKCOption_u32Z");
        *ret_copy = COption_u32Z_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1u32Z_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u32Z_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_u32Z* arg_conv = (LDKCOption_u32Z*)arg;
-       intptr_t ret_val = COption_u32Z_clone_ptr(arg_conv);
+       int64_t ret_val = COption_u32Z_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14058,7 +14058,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u32Z_1clone(JNIEnv
        LDKCOption_u32Z* orig_conv = (LDKCOption_u32Z*)orig;
        LDKCOption_u32Z *ret_copy = MALLOC(sizeof(LDKCOption_u32Z), "LDKCOption_u32Z");
        *ret_copy = COption_u32Z_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -14070,7 +14070,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommit
        o_conv = HTLCOutputInCommitment_clone(&o_conv);
        LDKCResult_HTLCOutputInCommitmentDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ), "LDKCResult_HTLCOutputInCommitmentDecodeErrorZ");
        *ret_conv = CResult_HTLCOutputInCommitmentDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommitmentDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14081,7 +14081,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommit
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_HTLCOutputInCommitmentDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ), "LDKCResult_HTLCOutputInCommitmentDecodeErrorZ");
        *ret_conv = CResult_HTLCOutputInCommitmentDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommitmentDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14102,11 +14102,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommitmen
 static inline uintptr_t CResult_HTLCOutputInCommitmentDecodeErrorZ_clone_ptr(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_HTLCOutputInCommitmentDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ), "LDKCResult_HTLCOutputInCommitmentDecodeErrorZ");
        *ret_conv = CResult_HTLCOutputInCommitmentDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommitmentDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommitmentDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_HTLCOutputInCommitmentDecodeErrorZ* arg_conv = (LDKCResult_HTLCOutputInCommitmentDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_HTLCOutputInCommitmentDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_HTLCOutputInCommitmentDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14114,7 +14114,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommit
        LDKCResult_HTLCOutputInCommitmentDecodeErrorZ* orig_conv = (LDKCResult_HTLCOutputInCommitmentDecodeErrorZ*)(orig & ~1);
        LDKCResult_HTLCOutputInCommitmentDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ), "LDKCResult_HTLCOutputInCommitmentDecodeErrorZ");
        *ret_conv = CResult_HTLCOutputInCommitmentDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_COption_1NoneZ_1some(JNIEnv *env, jclass clz) {
@@ -14140,7 +14140,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChanne
        o_conv = CounterpartyChannelTransactionParameters_clone(&o_conv);
        LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ), "LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ");
        *ret_conv = CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChannelTransactionParametersDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14151,7 +14151,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChanne
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ), "LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ");
        *ret_conv = CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChannelTransactionParametersDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14172,11 +14172,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChannelTr
 static inline uintptr_t CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_clone_ptr(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ), "LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ");
        *ret_conv = CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChannelTransactionParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChannelTransactionParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ* arg_conv = (LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14184,7 +14184,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChanne
        LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ* orig_conv = (LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ*)(orig & ~1);
        LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ), "LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ");
        *ret_conv = CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransactionParametersDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14195,7 +14195,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransaction
        o_conv = ChannelTransactionParameters_clone(&o_conv);
        LDKCResult_ChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelTransactionParametersDecodeErrorZ), "LDKCResult_ChannelTransactionParametersDecodeErrorZ");
        *ret_conv = CResult_ChannelTransactionParametersDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransactionParametersDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14206,7 +14206,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransaction
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelTransactionParametersDecodeErrorZ), "LDKCResult_ChannelTransactionParametersDecodeErrorZ");
        *ret_conv = CResult_ChannelTransactionParametersDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransactionParametersDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14227,11 +14227,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransactionPar
 static inline uintptr_t CResult_ChannelTransactionParametersDecodeErrorZ_clone_ptr(LDKCResult_ChannelTransactionParametersDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelTransactionParametersDecodeErrorZ), "LDKCResult_ChannelTransactionParametersDecodeErrorZ");
        *ret_conv = CResult_ChannelTransactionParametersDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransactionParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransactionParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelTransactionParametersDecodeErrorZ* arg_conv = (LDKCResult_ChannelTransactionParametersDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelTransactionParametersDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelTransactionParametersDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14239,7 +14239,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransaction
        LDKCResult_ChannelTransactionParametersDecodeErrorZ* orig_conv = (LDKCResult_ChannelTransactionParametersDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelTransactionParametersDecodeErrorZ), "LDKCResult_ChannelTransactionParametersDecodeErrorZ");
        *ret_conv = CResult_ChannelTransactionParametersDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1SignatureZ_1free(JNIEnv *env, jclass clz, jobjectArray _res) {
@@ -14267,7 +14267,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTr
        o_conv = HolderCommitmentTransaction_clone(&o_conv);
        LDKCResult_HolderCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HolderCommitmentTransactionDecodeErrorZ), "LDKCResult_HolderCommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_HolderCommitmentTransactionDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTransactionDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14278,7 +14278,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTr
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_HolderCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HolderCommitmentTransactionDecodeErrorZ), "LDKCResult_HolderCommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_HolderCommitmentTransactionDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTransactionDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14299,11 +14299,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTrans
 static inline uintptr_t CResult_HolderCommitmentTransactionDecodeErrorZ_clone_ptr(LDKCResult_HolderCommitmentTransactionDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_HolderCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HolderCommitmentTransactionDecodeErrorZ), "LDKCResult_HolderCommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_HolderCommitmentTransactionDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTransactionDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTransactionDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_HolderCommitmentTransactionDecodeErrorZ* arg_conv = (LDKCResult_HolderCommitmentTransactionDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_HolderCommitmentTransactionDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_HolderCommitmentTransactionDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14311,7 +14311,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTr
        LDKCResult_HolderCommitmentTransactionDecodeErrorZ* orig_conv = (LDKCResult_HolderCommitmentTransactionDecodeErrorZ*)(orig & ~1);
        LDKCResult_HolderCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HolderCommitmentTransactionDecodeErrorZ), "LDKCResult_HolderCommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_HolderCommitmentTransactionDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTransactionDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14322,7 +14322,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTra
        o_conv = BuiltCommitmentTransaction_clone(&o_conv);
        LDKCResult_BuiltCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ), "LDKCResult_BuiltCommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_BuiltCommitmentTransactionDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTransactionDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14333,7 +14333,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTra
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_BuiltCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ), "LDKCResult_BuiltCommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_BuiltCommitmentTransactionDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTransactionDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14354,11 +14354,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTransa
 static inline uintptr_t CResult_BuiltCommitmentTransactionDecodeErrorZ_clone_ptr(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_BuiltCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ), "LDKCResult_BuiltCommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_BuiltCommitmentTransactionDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTransactionDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTransactionDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_BuiltCommitmentTransactionDecodeErrorZ* arg_conv = (LDKCResult_BuiltCommitmentTransactionDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_BuiltCommitmentTransactionDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_BuiltCommitmentTransactionDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14366,7 +14366,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTra
        LDKCResult_BuiltCommitmentTransactionDecodeErrorZ* orig_conv = (LDKCResult_BuiltCommitmentTransactionDecodeErrorZ*)(orig & ~1);
        LDKCResult_BuiltCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ), "LDKCResult_BuiltCommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_BuiltCommitmentTransactionDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedClosingTransactionNoneZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14377,13 +14377,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedClosingTran
        // WARNING: we need a move here but no clone is available for LDKTrustedClosingTransaction
        LDKCResult_TrustedClosingTransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TrustedClosingTransactionNoneZ), "LDKCResult_TrustedClosingTransactionNoneZ");
        *ret_conv = CResult_TrustedClosingTransactionNoneZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedClosingTransactionNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_TrustedClosingTransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TrustedClosingTransactionNoneZ), "LDKCResult_TrustedClosingTransactionNoneZ");
        *ret_conv = CResult_TrustedClosingTransactionNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedClosingTransactionNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14409,7 +14409,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransact
        o_conv = CommitmentTransaction_clone(&o_conv);
        LDKCResult_CommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentTransactionDecodeErrorZ), "LDKCResult_CommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_CommitmentTransactionDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransactionDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14420,7 +14420,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransact
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_CommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentTransactionDecodeErrorZ), "LDKCResult_CommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_CommitmentTransactionDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransactionDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14441,11 +14441,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransaction
 static inline uintptr_t CResult_CommitmentTransactionDecodeErrorZ_clone_ptr(LDKCResult_CommitmentTransactionDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_CommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentTransactionDecodeErrorZ), "LDKCResult_CommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_CommitmentTransactionDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransactionDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransactionDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_CommitmentTransactionDecodeErrorZ* arg_conv = (LDKCResult_CommitmentTransactionDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_CommitmentTransactionDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_CommitmentTransactionDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14453,7 +14453,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransact
        LDKCResult_CommitmentTransactionDecodeErrorZ* orig_conv = (LDKCResult_CommitmentTransactionDecodeErrorZ*)(orig & ~1);
        LDKCResult_CommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentTransactionDecodeErrorZ), "LDKCResult_CommitmentTransactionDecodeErrorZ");
        *ret_conv = CResult_CommitmentTransactionDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedCommitmentTransactionNoneZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14464,13 +14464,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedCommitmentT
        // WARNING: we need a move here but no clone is available for LDKTrustedCommitmentTransaction
        LDKCResult_TrustedCommitmentTransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TrustedCommitmentTransactionNoneZ), "LDKCResult_TrustedCommitmentTransactionNoneZ");
        *ret_conv = CResult_TrustedCommitmentTransactionNoneZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedCommitmentTransactionNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_TrustedCommitmentTransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TrustedCommitmentTransactionNoneZ), "LDKCResult_TrustedCommitmentTransactionNoneZ");
        *ret_conv = CResult_TrustedCommitmentTransactionNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedCommitmentTransactionNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14504,13 +14504,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1SignatureZNo
        }
        LDKCResult_CVec_SignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_SignatureZNoneZ), "LDKCResult_CVec_SignatureZNoneZ");
        *ret_conv = CResult_CVec_SignatureZNoneZ_ok(o_constr);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1SignatureZNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_CVec_SignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_SignatureZNoneZ), "LDKCResult_CVec_SignatureZNoneZ");
        *ret_conv = CResult_CVec_SignatureZNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1SignatureZNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14531,11 +14531,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1SignatureZNoneZ
 static inline uintptr_t CResult_CVec_SignatureZNoneZ_clone_ptr(LDKCResult_CVec_SignatureZNoneZ *NONNULL_PTR arg) {
        LDKCResult_CVec_SignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_SignatureZNoneZ), "LDKCResult_CVec_SignatureZNoneZ");
        *ret_conv = CResult_CVec_SignatureZNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1SignatureZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1SignatureZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_CVec_SignatureZNoneZ* arg_conv = (LDKCResult_CVec_SignatureZNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_CVec_SignatureZNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_CVec_SignatureZNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14543,7 +14543,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1SignatureZNo
        LDKCResult_CVec_SignatureZNoneZ* orig_conv = (LDKCResult_CVec_SignatureZNoneZ*)(orig & ~1);
        LDKCResult_CVec_SignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_SignatureZNoneZ), "LDKCResult_CVec_SignatureZNoneZ");
        *ret_conv = CResult_CVec_SignatureZNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14554,7 +14554,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDeco
        o_conv = ShutdownScript_clone(&o_conv);
        LDKCResult_ShutdownScriptDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptDecodeErrorZ), "LDKCResult_ShutdownScriptDecodeErrorZ");
        *ret_conv = CResult_ShutdownScriptDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14565,7 +14565,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDeco
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ShutdownScriptDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptDecodeErrorZ), "LDKCResult_ShutdownScriptDecodeErrorZ");
        *ret_conv = CResult_ShutdownScriptDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14586,11 +14586,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDecodeE
 static inline uintptr_t CResult_ShutdownScriptDecodeErrorZ_clone_ptr(LDKCResult_ShutdownScriptDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ShutdownScriptDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptDecodeErrorZ), "LDKCResult_ShutdownScriptDecodeErrorZ");
        *ret_conv = CResult_ShutdownScriptDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ShutdownScriptDecodeErrorZ* arg_conv = (LDKCResult_ShutdownScriptDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ShutdownScriptDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ShutdownScriptDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14598,7 +14598,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDeco
        LDKCResult_ShutdownScriptDecodeErrorZ* orig_conv = (LDKCResult_ShutdownScriptDecodeErrorZ*)(orig & ~1);
        LDKCResult_ShutdownScriptDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptDecodeErrorZ), "LDKCResult_ShutdownScriptDecodeErrorZ");
        *ret_conv = CResult_ShutdownScriptDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14609,7 +14609,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInva
        o_conv = ShutdownScript_clone(&o_conv);
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptInvalidShutdownScriptZ), "LDKCResult_ShutdownScriptInvalidShutdownScriptZ");
        *ret_conv = CResult_ShutdownScriptInvalidShutdownScriptZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14620,7 +14620,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInva
        e_conv = InvalidShutdownScript_clone(&e_conv);
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptInvalidShutdownScriptZ), "LDKCResult_ShutdownScriptInvalidShutdownScriptZ");
        *ret_conv = CResult_ShutdownScriptInvalidShutdownScriptZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14641,11 +14641,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalid
 static inline uintptr_t CResult_ShutdownScriptInvalidShutdownScriptZ_clone_ptr(LDKCResult_ShutdownScriptInvalidShutdownScriptZ *NONNULL_PTR arg) {
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptInvalidShutdownScriptZ), "LDKCResult_ShutdownScriptInvalidShutdownScriptZ");
        *ret_conv = CResult_ShutdownScriptInvalidShutdownScriptZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* arg_conv = (LDKCResult_ShutdownScriptInvalidShutdownScriptZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ShutdownScriptInvalidShutdownScriptZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ShutdownScriptInvalidShutdownScriptZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14653,20 +14653,20 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInva
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* orig_conv = (LDKCResult_ShutdownScriptInvalidShutdownScriptZ*)(orig & ~1);
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptInvalidShutdownScriptZ), "LDKCResult_ShutdownScriptInvalidShutdownScriptZ");
        *ret_conv = CResult_ShutdownScriptInvalidShutdownScriptZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneErrorZ_1ok(JNIEnv *env, jclass clz) {
        LDKCResult_NoneErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneErrorZ), "LDKCResult_NoneErrorZ");
        *ret_conv = CResult_NoneErrorZ_ok();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKIOError e_conv = LDKIOError_from_java(env, e);
        LDKCResult_NoneErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneErrorZ), "LDKCResult_NoneErrorZ");
        *ret_conv = CResult_NoneErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NoneErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14687,11 +14687,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneErrorZ_1free(JNIE
 static inline uintptr_t CResult_NoneErrorZ_clone_ptr(LDKCResult_NoneErrorZ *NONNULL_PTR arg) {
        LDKCResult_NoneErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneErrorZ), "LDKCResult_NoneErrorZ");
        *ret_conv = CResult_NoneErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NoneErrorZ* arg_conv = (LDKCResult_NoneErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NoneErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NoneErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14699,7 +14699,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneErrorZ_1clone(
        LDKCResult_NoneErrorZ* orig_conv = (LDKCResult_NoneErrorZ*)(orig & ~1);
        LDKCResult_NoneErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneErrorZ), "LDKCResult_NoneErrorZ");
        *ret_conv = CResult_NoneErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14710,7 +14710,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErro
        o_conv = RouteHop_clone(&o_conv);
        LDKCResult_RouteHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHopDecodeErrorZ), "LDKCResult_RouteHopDecodeErrorZ");
        *ret_conv = CResult_RouteHopDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14721,7 +14721,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErro
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_RouteHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHopDecodeErrorZ), "LDKCResult_RouteHopDecodeErrorZ");
        *ret_conv = CResult_RouteHopDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14742,11 +14742,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErrorZ_
 static inline uintptr_t CResult_RouteHopDecodeErrorZ_clone_ptr(LDKCResult_RouteHopDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_RouteHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHopDecodeErrorZ), "LDKCResult_RouteHopDecodeErrorZ");
        *ret_conv = CResult_RouteHopDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_RouteHopDecodeErrorZ* arg_conv = (LDKCResult_RouteHopDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_RouteHopDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_RouteHopDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14754,7 +14754,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErro
        LDKCResult_RouteHopDecodeErrorZ* orig_conv = (LDKCResult_RouteHopDecodeErrorZ*)(orig & ~1);
        LDKCResult_RouteHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHopDecodeErrorZ), "LDKCResult_RouteHopDecodeErrorZ");
        *ret_conv = CResult_RouteHopDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1RouteHopZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -14815,7 +14815,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_
        o_conv = Route_clone(&o_conv);
        LDKCResult_RouteDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteDecodeErrorZ), "LDKCResult_RouteDecodeErrorZ");
        *ret_conv = CResult_RouteDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14826,7 +14826,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_RouteDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteDecodeErrorZ), "LDKCResult_RouteDecodeErrorZ");
        *ret_conv = CResult_RouteDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14847,11 +14847,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_1fr
 static inline uintptr_t CResult_RouteDecodeErrorZ_clone_ptr(LDKCResult_RouteDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_RouteDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteDecodeErrorZ), "LDKCResult_RouteDecodeErrorZ");
        *ret_conv = CResult_RouteDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_RouteDecodeErrorZ* arg_conv = (LDKCResult_RouteDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_RouteDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_RouteDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14859,7 +14859,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_
        LDKCResult_RouteDecodeErrorZ* orig_conv = (LDKCResult_RouteDecodeErrorZ*)(orig & ~1);
        LDKCResult_RouteDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteDecodeErrorZ), "LDKCResult_RouteDecodeErrorZ");
        *ret_conv = CResult_RouteDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14870,7 +14870,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDec
        o_conv = RouteParameters_clone(&o_conv);
        LDKCResult_RouteParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteParametersDecodeErrorZ), "LDKCResult_RouteParametersDecodeErrorZ");
        *ret_conv = CResult_RouteParametersDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14881,7 +14881,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDec
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_RouteParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteParametersDecodeErrorZ), "LDKCResult_RouteParametersDecodeErrorZ");
        *ret_conv = CResult_RouteParametersDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -14902,11 +14902,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDecode
 static inline uintptr_t CResult_RouteParametersDecodeErrorZ_clone_ptr(LDKCResult_RouteParametersDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_RouteParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteParametersDecodeErrorZ), "LDKCResult_RouteParametersDecodeErrorZ");
        *ret_conv = CResult_RouteParametersDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_RouteParametersDecodeErrorZ* arg_conv = (LDKCResult_RouteParametersDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_RouteParametersDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_RouteParametersDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14914,7 +14914,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteParametersDec
        LDKCResult_RouteParametersDecodeErrorZ* orig_conv = (LDKCResult_RouteParametersDecodeErrorZ*)(orig & ~1);
        LDKCResult_RouteParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteParametersDecodeErrorZ), "LDKCResult_RouteParametersDecodeErrorZ");
        *ret_conv = CResult_RouteParametersDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1RouteHintZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -14940,14 +14940,14 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1RouteHintZ_1free(JNIEnv
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u64Z_1some(JNIEnv *env, jclass clz, int64_t o) {
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = COption_u64Z_some(o);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u64Z_1none(JNIEnv *env, jclass clz) {
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = COption_u64Z_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -14963,12 +14963,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1u64Z_1free(JNIEnv *en
 static inline uintptr_t COption_u64Z_clone_ptr(LDKCOption_u64Z *NONNULL_PTR arg) {
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = COption_u64Z_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1u64Z_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u64Z_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_u64Z* arg_conv = (LDKCOption_u64Z*)arg;
-       intptr_t ret_val = COption_u64Z_clone_ptr(arg_conv);
+       int64_t ret_val = COption_u64Z_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -14976,7 +14976,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u64Z_1clone(JNIEnv
        LDKCOption_u64Z* orig_conv = (LDKCOption_u64Z*)orig;
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = COption_u64Z_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -14988,7 +14988,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersD
        o_conv = PaymentParameters_clone(&o_conv);
        LDKCResult_PaymentParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentParametersDecodeErrorZ), "LDKCResult_PaymentParametersDecodeErrorZ");
        *ret_conv = CResult_PaymentParametersDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -14999,7 +14999,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersD
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_PaymentParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentParametersDecodeErrorZ), "LDKCResult_PaymentParametersDecodeErrorZ");
        *ret_conv = CResult_PaymentParametersDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15020,11 +15020,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersDeco
 static inline uintptr_t CResult_PaymentParametersDecodeErrorZ_clone_ptr(LDKCResult_PaymentParametersDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_PaymentParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentParametersDecodeErrorZ), "LDKCResult_PaymentParametersDecodeErrorZ");
        *ret_conv = CResult_PaymentParametersDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PaymentParametersDecodeErrorZ* arg_conv = (LDKCResult_PaymentParametersDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PaymentParametersDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PaymentParametersDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15032,7 +15032,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentParametersD
        LDKCResult_PaymentParametersDecodeErrorZ* orig_conv = (LDKCResult_PaymentParametersDecodeErrorZ*)(orig & ~1);
        LDKCResult_PaymentParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentParametersDecodeErrorZ), "LDKCResult_PaymentParametersDecodeErrorZ");
        *ret_conv = CResult_PaymentParametersDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1RouteHintHopZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -15063,7 +15063,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErr
        o_conv = RouteHint_clone(&o_conv);
        LDKCResult_RouteHintDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintDecodeErrorZ), "LDKCResult_RouteHintDecodeErrorZ");
        *ret_conv = CResult_RouteHintDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15074,7 +15074,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErr
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_RouteHintDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintDecodeErrorZ), "LDKCResult_RouteHintDecodeErrorZ");
        *ret_conv = CResult_RouteHintDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15095,11 +15095,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErrorZ
 static inline uintptr_t CResult_RouteHintDecodeErrorZ_clone_ptr(LDKCResult_RouteHintDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_RouteHintDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintDecodeErrorZ), "LDKCResult_RouteHintDecodeErrorZ");
        *ret_conv = CResult_RouteHintDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_RouteHintDecodeErrorZ* arg_conv = (LDKCResult_RouteHintDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_RouteHintDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_RouteHintDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15107,7 +15107,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintDecodeErr
        LDKCResult_RouteHintDecodeErrorZ* orig_conv = (LDKCResult_RouteHintDecodeErrorZ*)(orig & ~1);
        LDKCResult_RouteHintDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintDecodeErrorZ), "LDKCResult_RouteHintDecodeErrorZ");
        *ret_conv = CResult_RouteHintDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15118,7 +15118,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecode
        o_conv = RouteHintHop_clone(&o_conv);
        LDKCResult_RouteHintHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintHopDecodeErrorZ), "LDKCResult_RouteHintHopDecodeErrorZ");
        *ret_conv = CResult_RouteHintHopDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15129,7 +15129,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecode
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_RouteHintHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintHopDecodeErrorZ), "LDKCResult_RouteHintHopDecodeErrorZ");
        *ret_conv = CResult_RouteHintHopDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15150,11 +15150,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecodeErr
 static inline uintptr_t CResult_RouteHintHopDecodeErrorZ_clone_ptr(LDKCResult_RouteHintHopDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_RouteHintHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintHopDecodeErrorZ), "LDKCResult_RouteHintHopDecodeErrorZ");
        *ret_conv = CResult_RouteHintHopDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_RouteHintHopDecodeErrorZ* arg_conv = (LDKCResult_RouteHintHopDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_RouteHintHopDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_RouteHintHopDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15162,7 +15162,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHintHopDecode
        LDKCResult_RouteHintHopDecodeErrorZ* orig_conv = (LDKCResult_RouteHintHopDecodeErrorZ*)(orig & ~1);
        LDKCResult_RouteHintHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintHopDecodeErrorZ), "LDKCResult_RouteHintHopDecodeErrorZ");
        *ret_conv = CResult_RouteHintHopDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1ChannelDetailsZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -15193,7 +15193,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErro
        o_conv = Route_clone(&o_conv);
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = CResult_RouteLightningErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15204,7 +15204,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErro
        e_conv = LightningError_clone(&e_conv);
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = CResult_RouteLightningErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15225,11 +15225,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErrorZ_
 static inline uintptr_t CResult_RouteLightningErrorZ_clone_ptr(LDKCResult_RouteLightningErrorZ *NONNULL_PTR arg) {
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = CResult_RouteLightningErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_RouteLightningErrorZ* arg_conv = (LDKCResult_RouteLightningErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_RouteLightningErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_RouteLightningErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15237,7 +15237,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErro
        LDKCResult_RouteLightningErrorZ* orig_conv = (LDKCResult_RouteLightningErrorZ*)(orig & ~1);
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = CResult_RouteLightningErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15247,14 +15247,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_
        o_conv = TxOut_clone((LDKTxOut*)(((uintptr_t)o) & ~1));
        LDKCResult_TxOutAccessErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxOutAccessErrorZ), "LDKCResult_TxOutAccessErrorZ");
        *ret_conv = CResult_TxOutAccessErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKAccessError e_conv = LDKAccessError_from_java(env, e);
        LDKCResult_TxOutAccessErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxOutAccessErrorZ), "LDKCResult_TxOutAccessErrorZ");
        *ret_conv = CResult_TxOutAccessErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15275,11 +15275,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_1fr
 static inline uintptr_t CResult_TxOutAccessErrorZ_clone_ptr(LDKCResult_TxOutAccessErrorZ *NONNULL_PTR arg) {
        LDKCResult_TxOutAccessErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxOutAccessErrorZ), "LDKCResult_TxOutAccessErrorZ");
        *ret_conv = CResult_TxOutAccessErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_TxOutAccessErrorZ* arg_conv = (LDKCResult_TxOutAccessErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_TxOutAccessErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_TxOutAccessErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15287,17 +15287,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_
        LDKCResult_TxOutAccessErrorZ* orig_conv = (LDKCResult_TxOutAccessErrorZ*)(orig & ~1);
        LDKCResult_TxOutAccessErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxOutAccessErrorZ), "LDKCResult_TxOutAccessErrorZ");
        *ret_conv = CResult_TxOutAccessErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static inline uintptr_t C2Tuple_usizeTransactionZ_clone_ptr(LDKC2Tuple_usizeTransactionZ *NONNULL_PTR arg) {
        LDKC2Tuple_usizeTransactionZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_usizeTransactionZ), "LDKC2Tuple_usizeTransactionZ");
        *ret_conv = C2Tuple_usizeTransactionZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_usizeTransactionZ* arg_conv = (LDKC2Tuple_usizeTransactionZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_usizeTransactionZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_usizeTransactionZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15305,10 +15305,10 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_
        LDKC2Tuple_usizeTransactionZ* orig_conv = (LDKC2Tuple_usizeTransactionZ*)(orig & ~1);
        LDKC2Tuple_usizeTransactionZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_usizeTransactionZ), "LDKC2Tuple_usizeTransactionZ");
        *ret_conv = C2Tuple_usizeTransactionZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_1new(JNIEnv *env, jclass clz, intptr_t a, int8_tArray b) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_1new(JNIEnv *env, jclass clz, int64_t a, int8_tArray b) {
        LDKTransaction b_ref;
        b_ref.datalen = (*env)->GetArrayLength(env, b);
        b_ref.data = MALLOC(b_ref.datalen, "LDKTransaction Bytes");
@@ -15316,7 +15316,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_
        b_ref.data_is_owned = true;
        LDKC2Tuple_usizeTransactionZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_usizeTransactionZ), "LDKC2Tuple_usizeTransactionZ");
        *ret_conv = C2Tuple_usizeTransactionZ_new(a, b_ref);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -15368,14 +15368,14 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1TxidZ_1free(JNIEnv *env,
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneChannelMonitorUpdateErrZ_1ok(JNIEnv *env, jclass clz) {
        LDKCResult_NoneChannelMonitorUpdateErrZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneChannelMonitorUpdateErrZ), "LDKCResult_NoneChannelMonitorUpdateErrZ");
        *ret_conv = CResult_NoneChannelMonitorUpdateErrZ_ok();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneChannelMonitorUpdateErrZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKChannelMonitorUpdateErr e_conv = LDKChannelMonitorUpdateErr_from_java(env, e);
        LDKCResult_NoneChannelMonitorUpdateErrZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneChannelMonitorUpdateErrZ), "LDKCResult_NoneChannelMonitorUpdateErrZ");
        *ret_conv = CResult_NoneChannelMonitorUpdateErrZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NoneChannelMonitorUpdateErrZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15396,11 +15396,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneChannelMonitorUpd
 static inline uintptr_t CResult_NoneChannelMonitorUpdateErrZ_clone_ptr(LDKCResult_NoneChannelMonitorUpdateErrZ *NONNULL_PTR arg) {
        LDKCResult_NoneChannelMonitorUpdateErrZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneChannelMonitorUpdateErrZ), "LDKCResult_NoneChannelMonitorUpdateErrZ");
        *ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneChannelMonitorUpdateErrZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneChannelMonitorUpdateErrZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NoneChannelMonitorUpdateErrZ* arg_conv = (LDKCResult_NoneChannelMonitorUpdateErrZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NoneChannelMonitorUpdateErrZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NoneChannelMonitorUpdateErrZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15408,7 +15408,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneChannelMonitor
        LDKCResult_NoneChannelMonitorUpdateErrZ* orig_conv = (LDKCResult_NoneChannelMonitorUpdateErrZ*)(orig & ~1);
        LDKCResult_NoneChannelMonitorUpdateErrZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneChannelMonitorUpdateErrZ), "LDKCResult_NoneChannelMonitorUpdateErrZ");
        *ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1MonitorEventZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -15438,14 +15438,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTran
        o_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uintptr_t)o) & ~1));
        LDKCOption_C2Tuple_usizeTransactionZZ *ret_copy = MALLOC(sizeof(LDKCOption_C2Tuple_usizeTransactionZZ), "LDKCOption_C2Tuple_usizeTransactionZZ");
        *ret_copy = COption_C2Tuple_usizeTransactionZZ_some(o_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTransactionZZ_1none(JNIEnv *env, jclass clz) {
        LDKCOption_C2Tuple_usizeTransactionZZ *ret_copy = MALLOC(sizeof(LDKCOption_C2Tuple_usizeTransactionZZ), "LDKCOption_C2Tuple_usizeTransactionZZ");
        *ret_copy = COption_C2Tuple_usizeTransactionZZ_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -15461,12 +15461,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTransac
 static inline uintptr_t COption_C2Tuple_usizeTransactionZZ_clone_ptr(LDKCOption_C2Tuple_usizeTransactionZZ *NONNULL_PTR arg) {
        LDKCOption_C2Tuple_usizeTransactionZZ *ret_copy = MALLOC(sizeof(LDKCOption_C2Tuple_usizeTransactionZZ), "LDKCOption_C2Tuple_usizeTransactionZZ");
        *ret_copy = COption_C2Tuple_usizeTransactionZZ_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTransactionZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTransactionZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_C2Tuple_usizeTransactionZZ* arg_conv = (LDKCOption_C2Tuple_usizeTransactionZZ*)arg;
-       intptr_t ret_val = COption_C2Tuple_usizeTransactionZZ_clone_ptr(arg_conv);
+       int64_t ret_val = COption_C2Tuple_usizeTransactionZZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15474,7 +15474,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTran
        LDKCOption_C2Tuple_usizeTransactionZZ* orig_conv = (LDKCOption_C2Tuple_usizeTransactionZZ*)orig;
        LDKCOption_C2Tuple_usizeTransactionZZ *ret_copy = MALLOC(sizeof(LDKCOption_C2Tuple_usizeTransactionZZ), "LDKCOption_C2Tuple_usizeTransactionZZ");
        *ret_copy = COption_C2Tuple_usizeTransactionZZ_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -15485,14 +15485,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1ClosureReasonZ_1so
        o_conv = ClosureReason_clone((LDKClosureReason*)(((uintptr_t)o) & ~1));
        LDKCOption_ClosureReasonZ *ret_copy = MALLOC(sizeof(LDKCOption_ClosureReasonZ), "LDKCOption_ClosureReasonZ");
        *ret_copy = COption_ClosureReasonZ_some(o_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1ClosureReasonZ_1none(JNIEnv *env, jclass clz) {
        LDKCOption_ClosureReasonZ *ret_copy = MALLOC(sizeof(LDKCOption_ClosureReasonZ), "LDKCOption_ClosureReasonZ");
        *ret_copy = COption_ClosureReasonZ_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -15508,12 +15508,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1ClosureReasonZ_1free(
 static inline uintptr_t COption_ClosureReasonZ_clone_ptr(LDKCOption_ClosureReasonZ *NONNULL_PTR arg) {
        LDKCOption_ClosureReasonZ *ret_copy = MALLOC(sizeof(LDKCOption_ClosureReasonZ), "LDKCOption_ClosureReasonZ");
        *ret_copy = COption_ClosureReasonZ_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1ClosureReasonZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1ClosureReasonZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_ClosureReasonZ* arg_conv = (LDKCOption_ClosureReasonZ*)arg;
-       intptr_t ret_val = COption_ClosureReasonZ_clone_ptr(arg_conv);
+       int64_t ret_val = COption_ClosureReasonZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15521,7 +15521,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1ClosureReasonZ_1cl
        LDKCOption_ClosureReasonZ* orig_conv = (LDKCOption_ClosureReasonZ*)orig;
        LDKCOption_ClosureReasonZ *ret_copy = MALLOC(sizeof(LDKCOption_ClosureReasonZ), "LDKCOption_ClosureReasonZ");
        *ret_copy = COption_ClosureReasonZ_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -15532,7 +15532,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureRe
        o_conv = COption_ClosureReasonZ_clone((LDKCOption_ClosureReasonZ*)(((uintptr_t)o) & ~1));
        LDKCResult_COption_ClosureReasonZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_ClosureReasonZDecodeErrorZ), "LDKCResult_COption_ClosureReasonZDecodeErrorZ");
        *ret_conv = CResult_COption_ClosureReasonZDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureReasonZDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15543,7 +15543,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureRe
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_COption_ClosureReasonZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_ClosureReasonZDecodeErrorZ), "LDKCResult_COption_ClosureReasonZDecodeErrorZ");
        *ret_conv = CResult_COption_ClosureReasonZDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureReasonZDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15564,11 +15564,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureReaso
 static inline uintptr_t CResult_COption_ClosureReasonZDecodeErrorZ_clone_ptr(LDKCResult_COption_ClosureReasonZDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_COption_ClosureReasonZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_ClosureReasonZDecodeErrorZ), "LDKCResult_COption_ClosureReasonZDecodeErrorZ");
        *ret_conv = CResult_COption_ClosureReasonZDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureReasonZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureReasonZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_COption_ClosureReasonZDecodeErrorZ* arg_conv = (LDKCResult_COption_ClosureReasonZDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_COption_ClosureReasonZDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_COption_ClosureReasonZDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15576,7 +15576,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1ClosureRe
        LDKCResult_COption_ClosureReasonZDecodeErrorZ* orig_conv = (LDKCResult_COption_ClosureReasonZDecodeErrorZ*)(orig & ~1);
        LDKCResult_COption_ClosureReasonZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_ClosureReasonZDecodeErrorZ), "LDKCResult_COption_ClosureReasonZDecodeErrorZ");
        *ret_conv = CResult_COption_ClosureReasonZDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1some(JNIEnv *env, jclass clz, int64_t o) {
@@ -15586,14 +15586,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1so
        o_conv = NetworkUpdate_clone((LDKNetworkUpdate*)(((uintptr_t)o) & ~1));
        LDKCOption_NetworkUpdateZ *ret_copy = MALLOC(sizeof(LDKCOption_NetworkUpdateZ), "LDKCOption_NetworkUpdateZ");
        *ret_copy = COption_NetworkUpdateZ_some(o_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1none(JNIEnv *env, jclass clz) {
        LDKCOption_NetworkUpdateZ *ret_copy = MALLOC(sizeof(LDKCOption_NetworkUpdateZ), "LDKCOption_NetworkUpdateZ");
        *ret_copy = COption_NetworkUpdateZ_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -15609,12 +15609,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1free(
 static inline uintptr_t COption_NetworkUpdateZ_clone_ptr(LDKCOption_NetworkUpdateZ *NONNULL_PTR arg) {
        LDKCOption_NetworkUpdateZ *ret_copy = MALLOC(sizeof(LDKCOption_NetworkUpdateZ), "LDKCOption_NetworkUpdateZ");
        *ret_copy = COption_NetworkUpdateZ_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_NetworkUpdateZ* arg_conv = (LDKCOption_NetworkUpdateZ*)arg;
-       intptr_t ret_val = COption_NetworkUpdateZ_clone_ptr(arg_conv);
+       int64_t ret_val = COption_NetworkUpdateZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15622,7 +15622,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1cl
        LDKCOption_NetworkUpdateZ* orig_conv = (LDKCOption_NetworkUpdateZ*)orig;
        LDKCOption_NetworkUpdateZ *ret_copy = MALLOC(sizeof(LDKCOption_NetworkUpdateZ), "LDKCOption_NetworkUpdateZ");
        *ret_copy = COption_NetworkUpdateZ_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -15653,14 +15653,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1EventZ_1some(JNIEn
        o_conv = Event_clone((LDKEvent*)(((uintptr_t)o) & ~1));
        LDKCOption_EventZ *ret_copy = MALLOC(sizeof(LDKCOption_EventZ), "LDKCOption_EventZ");
        *ret_copy = COption_EventZ_some(o_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1EventZ_1none(JNIEnv *env, jclass clz) {
        LDKCOption_EventZ *ret_copy = MALLOC(sizeof(LDKCOption_EventZ), "LDKCOption_EventZ");
        *ret_copy = COption_EventZ_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -15676,12 +15676,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1EventZ_1free(JNIEnv *
 static inline uintptr_t COption_EventZ_clone_ptr(LDKCOption_EventZ *NONNULL_PTR arg) {
        LDKCOption_EventZ *ret_copy = MALLOC(sizeof(LDKCOption_EventZ), "LDKCOption_EventZ");
        *ret_copy = COption_EventZ_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1EventZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1EventZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_EventZ* arg_conv = (LDKCOption_EventZ*)arg;
-       intptr_t ret_val = COption_EventZ_clone_ptr(arg_conv);
+       int64_t ret_val = COption_EventZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15689,7 +15689,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1EventZ_1clone(JNIE
        LDKCOption_EventZ* orig_conv = (LDKCOption_EventZ*)orig;
        LDKCOption_EventZ *ret_copy = MALLOC(sizeof(LDKCOption_EventZ), "LDKCOption_EventZ");
        *ret_copy = COption_EventZ_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -15700,7 +15700,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDec
        o_conv = COption_EventZ_clone((LDKCOption_EventZ*)(((uintptr_t)o) & ~1));
        LDKCResult_COption_EventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_EventZDecodeErrorZ), "LDKCResult_COption_EventZDecodeErrorZ");
        *ret_conv = CResult_COption_EventZDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15711,7 +15711,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDec
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_COption_EventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_EventZDecodeErrorZ), "LDKCResult_COption_EventZDecodeErrorZ");
        *ret_conv = CResult_COption_EventZDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15732,11 +15732,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDecode
 static inline uintptr_t CResult_COption_EventZDecodeErrorZ_clone_ptr(LDKCResult_COption_EventZDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_COption_EventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_EventZDecodeErrorZ), "LDKCResult_COption_EventZDecodeErrorZ");
        *ret_conv = CResult_COption_EventZDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_COption_EventZDecodeErrorZ* arg_conv = (LDKCResult_COption_EventZDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_COption_EventZDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_COption_EventZDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15744,7 +15744,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1EventZDec
        LDKCResult_COption_EventZDecodeErrorZ* orig_conv = (LDKCResult_COption_EventZDecodeErrorZ*)(orig & ~1);
        LDKCResult_COption_EventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_EventZDecodeErrorZ), "LDKCResult_COption_EventZDecodeErrorZ");
        *ret_conv = CResult_COption_EventZDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1MessageSendEventZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -15775,7 +15775,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorer
        o_conv = FixedPenaltyScorer_clone(&o_conv);
        LDKCResult_FixedPenaltyScorerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FixedPenaltyScorerDecodeErrorZ), "LDKCResult_FixedPenaltyScorerDecodeErrorZ");
        *ret_conv = CResult_FixedPenaltyScorerDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorerDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15786,7 +15786,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorer
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_FixedPenaltyScorerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FixedPenaltyScorerDecodeErrorZ), "LDKCResult_FixedPenaltyScorerDecodeErrorZ");
        *ret_conv = CResult_FixedPenaltyScorerDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorerDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15807,11 +15807,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorerDec
 static inline uintptr_t CResult_FixedPenaltyScorerDecodeErrorZ_clone_ptr(LDKCResult_FixedPenaltyScorerDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_FixedPenaltyScorerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FixedPenaltyScorerDecodeErrorZ), "LDKCResult_FixedPenaltyScorerDecodeErrorZ");
        *ret_conv = CResult_FixedPenaltyScorerDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorerDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorerDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_FixedPenaltyScorerDecodeErrorZ* arg_conv = (LDKCResult_FixedPenaltyScorerDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_FixedPenaltyScorerDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_FixedPenaltyScorerDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15819,7 +15819,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FixedPenaltyScorer
        LDKCResult_FixedPenaltyScorerDecodeErrorZ* orig_conv = (LDKCResult_FixedPenaltyScorerDecodeErrorZ*)(orig & ~1);
        LDKCResult_FixedPenaltyScorerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FixedPenaltyScorerDecodeErrorZ), "LDKCResult_FixedPenaltyScorerDecodeErrorZ");
        *ret_conv = CResult_FixedPenaltyScorerDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15830,7 +15830,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersD
        o_conv = ScoringParameters_clone(&o_conv);
        LDKCResult_ScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ScoringParametersDecodeErrorZ), "LDKCResult_ScoringParametersDecodeErrorZ");
        *ret_conv = CResult_ScoringParametersDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15841,7 +15841,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersD
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ScoringParametersDecodeErrorZ), "LDKCResult_ScoringParametersDecodeErrorZ");
        *ret_conv = CResult_ScoringParametersDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15862,11 +15862,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersDeco
 static inline uintptr_t CResult_ScoringParametersDecodeErrorZ_clone_ptr(LDKCResult_ScoringParametersDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ScoringParametersDecodeErrorZ), "LDKCResult_ScoringParametersDecodeErrorZ");
        *ret_conv = CResult_ScoringParametersDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ScoringParametersDecodeErrorZ* arg_conv = (LDKCResult_ScoringParametersDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ScoringParametersDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ScoringParametersDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15874,7 +15874,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScoringParametersD
        LDKCResult_ScoringParametersDecodeErrorZ* orig_conv = (LDKCResult_ScoringParametersDecodeErrorZ*)(orig & ~1);
        LDKCResult_ScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ScoringParametersDecodeErrorZ), "LDKCResult_ScoringParametersDecodeErrorZ");
        *ret_conv = CResult_ScoringParametersDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScorerDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15885,7 +15885,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScorerDecodeErrorZ
        // WARNING: we need a move here but no clone is available for LDKScorer
        LDKCResult_ScorerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ScorerDecodeErrorZ), "LDKCResult_ScorerDecodeErrorZ");
        *ret_conv = CResult_ScorerDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScorerDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15896,7 +15896,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ScorerDecodeErrorZ
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ScorerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ScorerDecodeErrorZ), "LDKCResult_ScorerDecodeErrorZ");
        *ret_conv = CResult_ScorerDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ScorerDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15922,7 +15922,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScori
        o_conv = ProbabilisticScoringParameters_clone(&o_conv);
        LDKCResult_ProbabilisticScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ProbabilisticScoringParametersDecodeErrorZ), "LDKCResult_ProbabilisticScoringParametersDecodeErrorZ");
        *ret_conv = CResult_ProbabilisticScoringParametersDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScoringParametersDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15933,7 +15933,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScori
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ProbabilisticScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ProbabilisticScoringParametersDecodeErrorZ), "LDKCResult_ProbabilisticScoringParametersDecodeErrorZ");
        *ret_conv = CResult_ProbabilisticScoringParametersDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScoringParametersDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15954,11 +15954,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScoringP
 static inline uintptr_t CResult_ProbabilisticScoringParametersDecodeErrorZ_clone_ptr(LDKCResult_ProbabilisticScoringParametersDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ProbabilisticScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ProbabilisticScoringParametersDecodeErrorZ), "LDKCResult_ProbabilisticScoringParametersDecodeErrorZ");
        *ret_conv = CResult_ProbabilisticScoringParametersDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScoringParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScoringParametersDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ProbabilisticScoringParametersDecodeErrorZ* arg_conv = (LDKCResult_ProbabilisticScoringParametersDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ProbabilisticScoringParametersDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ProbabilisticScoringParametersDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -15966,7 +15966,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ProbabilisticScori
        LDKCResult_ProbabilisticScoringParametersDecodeErrorZ* orig_conv = (LDKCResult_ProbabilisticScoringParametersDecodeErrorZ*)(orig & ~1);
        LDKCResult_ProbabilisticScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ProbabilisticScoringParametersDecodeErrorZ), "LDKCResult_ProbabilisticScoringParametersDecodeErrorZ");
        *ret_conv = CResult_ProbabilisticScoringParametersDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitFeaturesDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -15977,7 +15977,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitFeaturesDecode
        o_conv = InitFeatures_clone(&o_conv);
        LDKCResult_InitFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InitFeaturesDecodeErrorZ), "LDKCResult_InitFeaturesDecodeErrorZ");
        *ret_conv = CResult_InitFeaturesDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitFeaturesDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -15988,7 +15988,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitFeaturesDecode
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_InitFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InitFeaturesDecodeErrorZ), "LDKCResult_InitFeaturesDecodeErrorZ");
        *ret_conv = CResult_InitFeaturesDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1InitFeaturesDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16014,7 +16014,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelFeaturesDec
        o_conv = ChannelFeatures_clone(&o_conv);
        LDKCResult_ChannelFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelFeaturesDecodeErrorZ), "LDKCResult_ChannelFeaturesDecodeErrorZ");
        *ret_conv = CResult_ChannelFeaturesDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelFeaturesDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -16025,7 +16025,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelFeaturesDec
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelFeaturesDecodeErrorZ), "LDKCResult_ChannelFeaturesDecodeErrorZ");
        *ret_conv = CResult_ChannelFeaturesDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelFeaturesDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16051,7 +16051,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeFeaturesDecode
        o_conv = NodeFeatures_clone(&o_conv);
        LDKCResult_NodeFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeFeaturesDecodeErrorZ), "LDKCResult_NodeFeaturesDecodeErrorZ");
        *ret_conv = CResult_NodeFeaturesDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeFeaturesDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -16062,7 +16062,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeFeaturesDecode
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_NodeFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeFeaturesDecodeErrorZ), "LDKCResult_NodeFeaturesDecodeErrorZ");
        *ret_conv = CResult_NodeFeaturesDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NodeFeaturesDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16088,7 +16088,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceFeaturesDec
        o_conv = InvoiceFeatures_clone(&o_conv);
        LDKCResult_InvoiceFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceFeaturesDecodeErrorZ), "LDKCResult_InvoiceFeaturesDecodeErrorZ");
        *ret_conv = CResult_InvoiceFeaturesDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceFeaturesDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -16099,7 +16099,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceFeaturesDec
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_InvoiceFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceFeaturesDecodeErrorZ), "LDKCResult_InvoiceFeaturesDecodeErrorZ");
        *ret_conv = CResult_InvoiceFeaturesDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceFeaturesDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16125,7 +16125,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTypeFeature
        o_conv = ChannelTypeFeatures_clone(&o_conv);
        LDKCResult_ChannelTypeFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelTypeFeaturesDecodeErrorZ), "LDKCResult_ChannelTypeFeaturesDecodeErrorZ");
        *ret_conv = CResult_ChannelTypeFeaturesDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTypeFeaturesDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -16136,7 +16136,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTypeFeature
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelTypeFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelTypeFeaturesDecodeErrorZ), "LDKCResult_ChannelTypeFeaturesDecodeErrorZ");
        *ret_conv = CResult_ChannelTypeFeaturesDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTypeFeaturesDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16162,7 +16162,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutp
        o_conv = DelayedPaymentOutputDescriptor_clone(&o_conv);
        LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutputDescriptorDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -16173,7 +16173,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutp
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutputDescriptorDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16194,11 +16194,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutputD
 static inline uintptr_t CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_clone_ptr(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutputDescriptorDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutputDescriptorDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ* arg_conv = (LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16206,7 +16206,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutp
        LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ* orig_conv = (LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ*)(orig & ~1);
        LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutputDescriptorDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16217,7 +16217,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutpu
        o_conv = StaticPaymentOutputDescriptor_clone(&o_conv);
        LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_StaticPaymentOutputDescriptorDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutputDescriptorDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -16228,7 +16228,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutpu
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_StaticPaymentOutputDescriptorDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutputDescriptorDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16249,11 +16249,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutputDe
 static inline uintptr_t CResult_StaticPaymentOutputDescriptorDecodeErrorZ_clone_ptr(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_StaticPaymentOutputDescriptorDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutputDescriptorDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutputDescriptorDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ* arg_conv = (LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_StaticPaymentOutputDescriptorDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_StaticPaymentOutputDescriptorDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16261,7 +16261,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutpu
        LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ* orig_conv = (LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ*)(orig & ~1);
        LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_StaticPaymentOutputDescriptorDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDescriptorDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16271,7 +16271,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDes
        o_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uintptr_t)o) & ~1));
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SpendableOutputDescriptorDecodeErrorZ), "LDKCResult_SpendableOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_SpendableOutputDescriptorDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDescriptorDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -16282,7 +16282,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDes
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SpendableOutputDescriptorDecodeErrorZ), "LDKCResult_SpendableOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_SpendableOutputDescriptorDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDescriptorDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16303,11 +16303,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDescri
 static inline uintptr_t CResult_SpendableOutputDescriptorDecodeErrorZ_clone_ptr(LDKCResult_SpendableOutputDescriptorDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SpendableOutputDescriptorDecodeErrorZ), "LDKCResult_SpendableOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_SpendableOutputDescriptorDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDescriptorDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDescriptorDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* arg_conv = (LDKCResult_SpendableOutputDescriptorDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_SpendableOutputDescriptorDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_SpendableOutputDescriptorDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16315,7 +16315,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDes
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* orig_conv = (LDKCResult_SpendableOutputDescriptorDecodeErrorZ*)(orig & ~1);
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SpendableOutputDescriptorDecodeErrorZ), "LDKCResult_SpendableOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_SpendableOutputDescriptorDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1PaymentPreimageZ_1free(JNIEnv *env, jclass clz, jobjectArray _res) {
@@ -16338,11 +16338,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1PaymentPreimageZ_1free(J
 static inline uintptr_t C2Tuple_SignatureCVec_SignatureZZ_clone_ptr(LDKC2Tuple_SignatureCVec_SignatureZZ *NONNULL_PTR arg) {
        LDKC2Tuple_SignatureCVec_SignatureZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_SignatureCVec_SignatureZZ), "LDKC2Tuple_SignatureCVec_SignatureZZ");
        *ret_conv = C2Tuple_SignatureCVec_SignatureZZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureCVec_1SignatureZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureCVec_1SignatureZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_SignatureCVec_SignatureZZ* arg_conv = (LDKC2Tuple_SignatureCVec_SignatureZZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_SignatureCVec_SignatureZZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_SignatureCVec_SignatureZZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16350,7 +16350,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureCVec_1Sig
        LDKC2Tuple_SignatureCVec_SignatureZZ* orig_conv = (LDKC2Tuple_SignatureCVec_SignatureZZ*)(orig & ~1);
        LDKC2Tuple_SignatureCVec_SignatureZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_SignatureCVec_SignatureZZ), "LDKC2Tuple_SignatureCVec_SignatureZZ");
        *ret_conv = C2Tuple_SignatureCVec_SignatureZZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureCVec_1SignatureZZ_1new(JNIEnv *env, jclass clz, int8_tArray a, jobjectArray b) {
@@ -16372,7 +16372,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureCVec_1Sig
        }
        LDKC2Tuple_SignatureCVec_SignatureZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_SignatureCVec_SignatureZZ), "LDKC2Tuple_SignatureCVec_SignatureZZ");
        *ret_conv = C2Tuple_SignatureCVec_SignatureZZ_new(a_ref, b_constr);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureCVec_1SignatureZZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -16391,13 +16391,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1Signature
        o_conv = C2Tuple_SignatureCVec_SignatureZZ_clone((LDKC2Tuple_SignatureCVec_SignatureZZ*)(((uintptr_t)o) & ~1));
        LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ), "LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ");
        *ret_conv = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureCVec_1SignatureZZNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ), "LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ");
        *ret_conv = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureCVec_1SignatureZZNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16418,11 +16418,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureCVe
 static inline uintptr_t CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_clone_ptr(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ *NONNULL_PTR arg) {
        LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ), "LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ");
        *ret_conv = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureCVec_1SignatureZZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureCVec_1SignatureZZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ* arg_conv = (LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16430,7 +16430,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1Signature
        LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ* orig_conv = (LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(orig & ~1);
        LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ), "LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ");
        *ret_conv = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1ok(JNIEnv *env, jclass clz, int8_tArray o) {
@@ -16439,13 +16439,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1ok
        (*env)->GetByteArrayRegion(env, o, 0, 64, o_ref.compact_form);
        LDKCResult_SignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignatureNoneZ), "LDKCResult_SignatureNoneZ");
        *ret_conv = CResult_SignatureNoneZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_SignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignatureNoneZ), "LDKCResult_SignatureNoneZ");
        *ret_conv = CResult_SignatureNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16466,11 +16466,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1free(
 static inline uintptr_t CResult_SignatureNoneZ_clone_ptr(LDKCResult_SignatureNoneZ *NONNULL_PTR arg) {
        LDKCResult_SignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignatureNoneZ), "LDKCResult_SignatureNoneZ");
        *ret_conv = CResult_SignatureNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_SignatureNoneZ* arg_conv = (LDKCResult_SignatureNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_SignatureNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_SignatureNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16478,17 +16478,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1cl
        LDKCResult_SignatureNoneZ* orig_conv = (LDKCResult_SignatureNoneZ*)(orig & ~1);
        LDKCResult_SignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignatureNoneZ), "LDKCResult_SignatureNoneZ");
        *ret_conv = CResult_SignatureNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static inline uintptr_t C2Tuple_SignatureSignatureZ_clone_ptr(LDKC2Tuple_SignatureSignatureZ *NONNULL_PTR arg) {
        LDKC2Tuple_SignatureSignatureZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_SignatureSignatureZ), "LDKC2Tuple_SignatureSignatureZ");
        *ret_conv = C2Tuple_SignatureSignatureZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureSignatureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureSignatureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_SignatureSignatureZ* arg_conv = (LDKC2Tuple_SignatureSignatureZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_SignatureSignatureZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_SignatureSignatureZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16496,7 +16496,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureSignature
        LDKC2Tuple_SignatureSignatureZ* orig_conv = (LDKC2Tuple_SignatureSignatureZ*)(orig & ~1);
        LDKC2Tuple_SignatureSignatureZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_SignatureSignatureZ), "LDKC2Tuple_SignatureSignatureZ");
        *ret_conv = C2Tuple_SignatureSignatureZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureSignatureZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int8_tArray b) {
@@ -16508,7 +16508,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureSignature
        (*env)->GetByteArrayRegion(env, b, 0, 64, b_ref.compact_form);
        LDKC2Tuple_SignatureSignatureZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_SignatureSignatureZ), "LDKC2Tuple_SignatureSignatureZ");
        *ret_conv = C2Tuple_SignatureSignatureZ_new(a_ref, b_ref);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureSignatureZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -16527,13 +16527,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1Signature
        o_conv = C2Tuple_SignatureSignatureZ_clone((LDKC2Tuple_SignatureSignatureZ*)(((uintptr_t)o) & ~1));
        LDKCResult_C2Tuple_SignatureSignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureSignatureZNoneZ), "LDKCResult_C2Tuple_SignatureSignatureZNoneZ");
        *ret_conv = CResult_C2Tuple_SignatureSignatureZNoneZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureSignatureZNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_C2Tuple_SignatureSignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureSignatureZNoneZ), "LDKCResult_C2Tuple_SignatureSignatureZNoneZ");
        *ret_conv = CResult_C2Tuple_SignatureSignatureZNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureSignatureZNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16554,11 +16554,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureSig
 static inline uintptr_t CResult_C2Tuple_SignatureSignatureZNoneZ_clone_ptr(LDKCResult_C2Tuple_SignatureSignatureZNoneZ *NONNULL_PTR arg) {
        LDKCResult_C2Tuple_SignatureSignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureSignatureZNoneZ), "LDKCResult_C2Tuple_SignatureSignatureZNoneZ");
        *ret_conv = CResult_C2Tuple_SignatureSignatureZNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureSignatureZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureSignatureZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_C2Tuple_SignatureSignatureZNoneZ* arg_conv = (LDKCResult_C2Tuple_SignatureSignatureZNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_C2Tuple_SignatureSignatureZNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_C2Tuple_SignatureSignatureZNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16566,7 +16566,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1Signature
        LDKCResult_C2Tuple_SignatureSignatureZNoneZ* orig_conv = (LDKCResult_C2Tuple_SignatureSignatureZNoneZ*)(orig & ~1);
        LDKCResult_C2Tuple_SignatureSignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_SignatureSignatureZNoneZ), "LDKCResult_C2Tuple_SignatureSignatureZNoneZ");
        *ret_conv = CResult_C2Tuple_SignatureSignatureZNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyNoneZ_1ok(JNIEnv *env, jclass clz, int8_tArray o) {
@@ -16575,13 +16575,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyNoneZ_1ok
        (*env)->GetByteArrayRegion(env, o, 0, 32, o_ref.bytes);
        LDKCResult_SecretKeyNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyNoneZ), "LDKCResult_SecretKeyNoneZ");
        *ret_conv = CResult_SecretKeyNoneZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_SecretKeyNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyNoneZ), "LDKCResult_SecretKeyNoneZ");
        *ret_conv = CResult_SecretKeyNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16602,11 +16602,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyNoneZ_1free(
 static inline uintptr_t CResult_SecretKeyNoneZ_clone_ptr(LDKCResult_SecretKeyNoneZ *NONNULL_PTR arg) {
        LDKCResult_SecretKeyNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyNoneZ), "LDKCResult_SecretKeyNoneZ");
        *ret_conv = CResult_SecretKeyNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_SecretKeyNoneZ* arg_conv = (LDKCResult_SecretKeyNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_SecretKeyNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_SecretKeyNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16614,7 +16614,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyNoneZ_1cl
        LDKCResult_SecretKeyNoneZ* orig_conv = (LDKCResult_SecretKeyNoneZ*)(orig & ~1);
        LDKCResult_SecretKeyNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyNoneZ), "LDKCResult_SecretKeyNoneZ");
        *ret_conv = CResult_SecretKeyNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16627,7 +16627,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1
        }
        LDKCResult_SignDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SignDecodeErrorZ), "LDKCResult_SignDecodeErrorZ");
        *ret_conv = CResult_SignDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -16638,7 +16638,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_SignDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SignDecodeErrorZ), "LDKCResult_SignDecodeErrorZ");
        *ret_conv = CResult_SignDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16659,11 +16659,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1fre
 static inline uintptr_t CResult_SignDecodeErrorZ_clone_ptr(LDKCResult_SignDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_SignDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SignDecodeErrorZ), "LDKCResult_SignDecodeErrorZ");
        *ret_conv = CResult_SignDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_SignDecodeErrorZ* arg_conv = (LDKCResult_SignDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_SignDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_SignDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16671,7 +16671,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1
        LDKCResult_SignDecodeErrorZ* orig_conv = (LDKCResult_SignDecodeErrorZ*)(orig & ~1);
        LDKCResult_SignDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SignDecodeErrorZ), "LDKCResult_SignDecodeErrorZ");
        *ret_conv = CResult_SignDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1u5Z_1free(JNIEnv *env, jclass clz, jobjectArray _res) {
@@ -16697,13 +16697,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RecoverableSignatu
        (*env)->GetByteArrayRegion(env, o, 0, 68, o_ref.serialized_form);
        LDKCResult_RecoverableSignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_RecoverableSignatureNoneZ), "LDKCResult_RecoverableSignatureNoneZ");
        *ret_conv = CResult_RecoverableSignatureNoneZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RecoverableSignatureNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_RecoverableSignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_RecoverableSignatureNoneZ), "LDKCResult_RecoverableSignatureNoneZ");
        *ret_conv = CResult_RecoverableSignatureNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1RecoverableSignatureNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16724,11 +16724,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RecoverableSignatureN
 static inline uintptr_t CResult_RecoverableSignatureNoneZ_clone_ptr(LDKCResult_RecoverableSignatureNoneZ *NONNULL_PTR arg) {
        LDKCResult_RecoverableSignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_RecoverableSignatureNoneZ), "LDKCResult_RecoverableSignatureNoneZ");
        *ret_conv = CResult_RecoverableSignatureNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1RecoverableSignatureNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RecoverableSignatureNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_RecoverableSignatureNoneZ* arg_conv = (LDKCResult_RecoverableSignatureNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_RecoverableSignatureNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_RecoverableSignatureNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16736,7 +16736,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RecoverableSignatu
        LDKCResult_RecoverableSignatureNoneZ* orig_conv = (LDKCResult_RecoverableSignatureNoneZ*)(orig & ~1);
        LDKCResult_RecoverableSignatureNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_RecoverableSignatureNoneZ), "LDKCResult_RecoverableSignatureNoneZ");
        *ret_conv = CResult_RecoverableSignatureNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1u8Z_1free(JNIEnv *env, jclass clz, int8_tArray _res) {
@@ -16782,13 +16782,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1CVec_1u8ZZNo
        }
        LDKCResult_CVec_CVec_u8ZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_CVec_u8ZZNoneZ), "LDKCResult_CVec_CVec_u8ZZNoneZ");
        *ret_conv = CResult_CVec_CVec_u8ZZNoneZ_ok(o_constr);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1CVec_1u8ZZNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_CVec_CVec_u8ZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_CVec_u8ZZNoneZ), "LDKCResult_CVec_CVec_u8ZZNoneZ");
        *ret_conv = CResult_CVec_CVec_u8ZZNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1CVec_1u8ZZNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16809,11 +16809,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1CVec_1u8ZZNoneZ
 static inline uintptr_t CResult_CVec_CVec_u8ZZNoneZ_clone_ptr(LDKCResult_CVec_CVec_u8ZZNoneZ *NONNULL_PTR arg) {
        LDKCResult_CVec_CVec_u8ZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_CVec_u8ZZNoneZ), "LDKCResult_CVec_CVec_u8ZZNoneZ");
        *ret_conv = CResult_CVec_CVec_u8ZZNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1CVec_1u8ZZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1CVec_1u8ZZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_CVec_CVec_u8ZZNoneZ* arg_conv = (LDKCResult_CVec_CVec_u8ZZNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_CVec_CVec_u8ZZNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_CVec_CVec_u8ZZNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16821,7 +16821,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1CVec_1u8ZZNo
        LDKCResult_CVec_CVec_u8ZZNoneZ* orig_conv = (LDKCResult_CVec_CVec_u8ZZNoneZ*)(orig & ~1);
        LDKCResult_CVec_CVec_u8ZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_CVec_u8ZZNoneZ), "LDKCResult_CVec_CVec_u8ZZNoneZ");
        *ret_conv = CResult_CVec_CVec_u8ZZNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16832,7 +16832,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDeco
        o_conv = InMemorySigner_clone(&o_conv);
        LDKCResult_InMemorySignerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InMemorySignerDecodeErrorZ), "LDKCResult_InMemorySignerDecodeErrorZ");
        *ret_conv = CResult_InMemorySignerDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -16843,7 +16843,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDeco
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_InMemorySignerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InMemorySignerDecodeErrorZ), "LDKCResult_InMemorySignerDecodeErrorZ");
        *ret_conv = CResult_InMemorySignerDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16864,11 +16864,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDecodeE
 static inline uintptr_t CResult_InMemorySignerDecodeErrorZ_clone_ptr(LDKCResult_InMemorySignerDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_InMemorySignerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InMemorySignerDecodeErrorZ), "LDKCResult_InMemorySignerDecodeErrorZ");
        *ret_conv = CResult_InMemorySignerDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_InMemorySignerDecodeErrorZ* arg_conv = (LDKCResult_InMemorySignerDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_InMemorySignerDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_InMemorySignerDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16876,7 +16876,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDeco
        LDKCResult_InMemorySignerDecodeErrorZ* orig_conv = (LDKCResult_InMemorySignerDecodeErrorZ*)(orig & ~1);
        LDKCResult_InMemorySignerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InMemorySignerDecodeErrorZ), "LDKCResult_InMemorySignerDecodeErrorZ");
        *ret_conv = CResult_InMemorySignerDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1TxOutZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -16907,13 +16907,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TransactionNoneZ_1
        o_ref.data_is_owned = true;
        LDKCResult_TransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TransactionNoneZ), "LDKCResult_TransactionNoneZ");
        *ret_conv = CResult_TransactionNoneZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TransactionNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_TransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TransactionNoneZ), "LDKCResult_TransactionNoneZ");
        *ret_conv = CResult_TransactionNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1TransactionNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -16934,11 +16934,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TransactionNoneZ_1fre
 static inline uintptr_t CResult_TransactionNoneZ_clone_ptr(LDKCResult_TransactionNoneZ *NONNULL_PTR arg) {
        LDKCResult_TransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TransactionNoneZ), "LDKCResult_TransactionNoneZ");
        *ret_conv = CResult_TransactionNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1TransactionNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TransactionNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_TransactionNoneZ* arg_conv = (LDKCResult_TransactionNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_TransactionNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_TransactionNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16946,17 +16946,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TransactionNoneZ_1
        LDKCResult_TransactionNoneZ* orig_conv = (LDKCResult_TransactionNoneZ*)(orig & ~1);
        LDKCResult_TransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TransactionNoneZ), "LDKCResult_TransactionNoneZ");
        *ret_conv = CResult_TransactionNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static inline uintptr_t C2Tuple_BlockHashChannelMonitorZ_clone_ptr(LDKC2Tuple_BlockHashChannelMonitorZ *NONNULL_PTR arg) {
        LDKC2Tuple_BlockHashChannelMonitorZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelMonitorZ), "LDKC2Tuple_BlockHashChannelMonitorZ");
        *ret_conv = C2Tuple_BlockHashChannelMonitorZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMonitorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMonitorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_BlockHashChannelMonitorZ* arg_conv = (LDKC2Tuple_BlockHashChannelMonitorZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_BlockHashChannelMonitorZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_BlockHashChannelMonitorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -16964,7 +16964,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMo
        LDKC2Tuple_BlockHashChannelMonitorZ* orig_conv = (LDKC2Tuple_BlockHashChannelMonitorZ*)(orig & ~1);
        LDKC2Tuple_BlockHashChannelMonitorZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelMonitorZ), "LDKC2Tuple_BlockHashChannelMonitorZ");
        *ret_conv = C2Tuple_BlockHashChannelMonitorZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMonitorZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_t b) {
@@ -16978,7 +16978,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMo
        b_conv = ChannelMonitor_clone(&b_conv);
        LDKC2Tuple_BlockHashChannelMonitorZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelMonitorZ), "LDKC2Tuple_BlockHashChannelMonitorZ");
        *ret_conv = C2Tuple_BlockHashChannelMonitorZ_new(a_ref, b_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMonitorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -17029,14 +17029,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1Blo
        (*env)->ReleaseLongArrayElements(env, o, o_vals, 0);
        LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ), "LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ");
        *ret_conv = CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_ok(o_constr);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1BlockHashChannelMonitorZZErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKIOError e_conv = LDKIOError_from_java(env, e);
        LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ), "LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ");
        *ret_conv = CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1BlockHashChannelMonitorZZErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17057,11 +17057,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1BlockH
 static inline uintptr_t CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_clone_ptr(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ *NONNULL_PTR arg) {
        LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ), "LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ");
        *ret_conv = CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1BlockHashChannelMonitorZZErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1BlockHashChannelMonitorZZErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ* arg_conv = (LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17069,20 +17069,20 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1Blo
        LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ* orig_conv = (LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ*)(orig & ~1);
        LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ), "LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ");
        *ret_conv = CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u16Z_1some(JNIEnv *env, jclass clz, int16_t o) {
        LDKCOption_u16Z *ret_copy = MALLOC(sizeof(LDKCOption_u16Z), "LDKCOption_u16Z");
        *ret_copy = COption_u16Z_some(o);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u16Z_1none(JNIEnv *env, jclass clz) {
        LDKCOption_u16Z *ret_copy = MALLOC(sizeof(LDKCOption_u16Z), "LDKCOption_u16Z");
        *ret_copy = COption_u16Z_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -17098,12 +17098,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1u16Z_1free(JNIEnv *en
 static inline uintptr_t COption_u16Z_clone_ptr(LDKCOption_u16Z *NONNULL_PTR arg) {
        LDKCOption_u16Z *ret_copy = MALLOC(sizeof(LDKCOption_u16Z), "LDKCOption_u16Z");
        *ret_copy = COption_u16Z_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1u16Z_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u16Z_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_u16Z* arg_conv = (LDKCOption_u16Z*)arg;
-       intptr_t ret_val = COption_u16Z_clone_ptr(arg_conv);
+       int64_t ret_val = COption_u16Z_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17111,14 +17111,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u16Z_1clone(JNIEnv
        LDKCOption_u16Z* orig_conv = (LDKCOption_u16Z*)orig;
        LDKCOption_u16Z *ret_copy = MALLOC(sizeof(LDKCOption_u16Z), "LDKCOption_u16Z");
        *ret_copy = COption_u16Z_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1ok(JNIEnv *env, jclass clz) {
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = CResult_NoneAPIErrorZ_ok();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17128,7 +17128,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1err
        e_conv = APIError_clone((LDKAPIError*)(((uintptr_t)e) & ~1));
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = CResult_NoneAPIErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17149,11 +17149,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1free(J
 static inline uintptr_t CResult_NoneAPIErrorZ_clone_ptr(LDKCResult_NoneAPIErrorZ *NONNULL_PTR arg) {
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = CResult_NoneAPIErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NoneAPIErrorZ* arg_conv = (LDKCResult_NoneAPIErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NoneAPIErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NoneAPIErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17161,7 +17161,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1clo
        LDKCResult_NoneAPIErrorZ* orig_conv = (LDKCResult_NoneAPIErrorZ*)(orig & ~1);
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = CResult_NoneAPIErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1CResult_1NoneAPIErrorZZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -17210,7 +17210,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1o
        (*env)->GetByteArrayRegion(env, o, 0, 32, o_ref.data);
        LDKCResult__u832APIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult__u832APIErrorZ), "LDKCResult__u832APIErrorZ");
        *ret_conv = CResult__u832APIErrorZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17220,7 +17220,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1e
        e_conv = APIError_clone((LDKAPIError*)(((uintptr_t)e) & ~1));
        LDKCResult__u832APIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult__u832APIErrorZ), "LDKCResult__u832APIErrorZ");
        *ret_conv = CResult__u832APIErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17241,11 +17241,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1free
 static inline uintptr_t CResult__u832APIErrorZ_clone_ptr(LDKCResult__u832APIErrorZ *NONNULL_PTR arg) {
        LDKCResult__u832APIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult__u832APIErrorZ), "LDKCResult__u832APIErrorZ");
        *ret_conv = CResult__u832APIErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult__u832APIErrorZ* arg_conv = (LDKCResult__u832APIErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult__u832APIErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult__u832APIErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17253,7 +17253,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1c
        LDKCResult__u832APIErrorZ* orig_conv = (LDKCResult__u832APIErrorZ*)(orig & ~1);
        LDKCResult__u832APIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult__u832APIErrorZ), "LDKCResult__u832APIErrorZ");
        *ret_conv = CResult__u832APIErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSendFailureZ_1ok(JNIEnv *env, jclass clz, int8_tArray o) {
@@ -17262,7 +17262,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSe
        (*env)->GetByteArrayRegion(env, o, 0, 32, o_ref.data);
        LDKCResult_PaymentIdPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentSendFailureZ), "LDKCResult_PaymentIdPaymentSendFailureZ");
        *ret_conv = CResult_PaymentIdPaymentSendFailureZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSendFailureZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17272,7 +17272,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSe
        e_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uintptr_t)e) & ~1));
        LDKCResult_PaymentIdPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentSendFailureZ), "LDKCResult_PaymentIdPaymentSendFailureZ");
        *ret_conv = CResult_PaymentIdPaymentSendFailureZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSendFailureZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17293,11 +17293,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSendF
 static inline uintptr_t CResult_PaymentIdPaymentSendFailureZ_clone_ptr(LDKCResult_PaymentIdPaymentSendFailureZ *NONNULL_PTR arg) {
        LDKCResult_PaymentIdPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentSendFailureZ), "LDKCResult_PaymentIdPaymentSendFailureZ");
        *ret_conv = CResult_PaymentIdPaymentSendFailureZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSendFailureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSendFailureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PaymentIdPaymentSendFailureZ* arg_conv = (LDKCResult_PaymentIdPaymentSendFailureZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PaymentIdPaymentSendFailureZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PaymentIdPaymentSendFailureZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17305,13 +17305,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSe
        LDKCResult_PaymentIdPaymentSendFailureZ* orig_conv = (LDKCResult_PaymentIdPaymentSendFailureZ*)(orig & ~1);
        LDKCResult_PaymentIdPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentSendFailureZ), "LDKCResult_PaymentIdPaymentSendFailureZ");
        *ret_conv = CResult_PaymentIdPaymentSendFailureZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFailureZ_1ok(JNIEnv *env, jclass clz) {
        LDKCResult_NonePaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePaymentSendFailureZ), "LDKCResult_NonePaymentSendFailureZ");
        *ret_conv = CResult_NonePaymentSendFailureZ_ok();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFailureZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17321,7 +17321,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFai
        e_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uintptr_t)e) & ~1));
        LDKCResult_NonePaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePaymentSendFailureZ), "LDKCResult_NonePaymentSendFailureZ");
        *ret_conv = CResult_NonePaymentSendFailureZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFailureZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17342,11 +17342,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFailur
 static inline uintptr_t CResult_NonePaymentSendFailureZ_clone_ptr(LDKCResult_NonePaymentSendFailureZ *NONNULL_PTR arg) {
        LDKCResult_NonePaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePaymentSendFailureZ), "LDKCResult_NonePaymentSendFailureZ");
        *ret_conv = CResult_NonePaymentSendFailureZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFailureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFailureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NonePaymentSendFailureZ* arg_conv = (LDKCResult_NonePaymentSendFailureZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NonePaymentSendFailureZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NonePaymentSendFailureZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17354,17 +17354,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFai
        LDKCResult_NonePaymentSendFailureZ* orig_conv = (LDKCResult_NonePaymentSendFailureZ*)(orig & ~1);
        LDKCResult_NonePaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePaymentSendFailureZ), "LDKCResult_NonePaymentSendFailureZ");
        *ret_conv = CResult_NonePaymentSendFailureZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static inline uintptr_t C2Tuple_PaymentHashPaymentIdZ_clone_ptr(LDKC2Tuple_PaymentHashPaymentIdZ *NONNULL_PTR arg) {
        LDKC2Tuple_PaymentHashPaymentIdZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentIdZ), "LDKC2Tuple_PaymentHashPaymentIdZ");
        *ret_conv = C2Tuple_PaymentHashPaymentIdZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentIdZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentIdZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_PaymentHashPaymentIdZ* arg_conv = (LDKC2Tuple_PaymentHashPaymentIdZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_PaymentHashPaymentIdZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_PaymentHashPaymentIdZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17372,7 +17372,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPayment
        LDKC2Tuple_PaymentHashPaymentIdZ* orig_conv = (LDKC2Tuple_PaymentHashPaymentIdZ*)(orig & ~1);
        LDKC2Tuple_PaymentHashPaymentIdZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentIdZ), "LDKC2Tuple_PaymentHashPaymentIdZ");
        *ret_conv = C2Tuple_PaymentHashPaymentIdZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentIdZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int8_tArray b) {
@@ -17384,7 +17384,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPayment
        (*env)->GetByteArrayRegion(env, b, 0, 32, b_ref.data);
        LDKC2Tuple_PaymentHashPaymentIdZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentIdZ), "LDKC2Tuple_PaymentHashPaymentIdZ");
        *ret_conv = C2Tuple_PaymentHashPaymentIdZ_new(a_ref, b_ref);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentIdZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -17403,7 +17403,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        o_conv = C2Tuple_PaymentHashPaymentIdZ_clone((LDKC2Tuple_PaymentHashPaymentIdZ*)(((uintptr_t)o) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ), "LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentIdZPaymentSendFailureZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17413,7 +17413,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        e_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uintptr_t)e) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ), "LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentIdZPaymentSendFailureZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17434,11 +17434,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashP
 static inline uintptr_t CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_clone_ptr(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ *NONNULL_PTR arg) {
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ), "LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentIdZPaymentSendFailureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentIdZPaymentSendFailureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* arg_conv = (LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ*)(arg & ~1);
-       intptr_t ret_val = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17446,7 +17446,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* orig_conv = (LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ*)(orig & ~1);
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ), "LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1NetAddressZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -17472,11 +17472,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1NetAddressZ_1free(JNIEnv
 static inline uintptr_t C2Tuple_PaymentHashPaymentSecretZ_clone_ptr(LDKC2Tuple_PaymentHashPaymentSecretZ *NONNULL_PTR arg) {
        LDKC2Tuple_PaymentHashPaymentSecretZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentSecretZ), "LDKC2Tuple_PaymentHashPaymentSecretZ");
        *ret_conv = C2Tuple_PaymentHashPaymentSecretZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentSecretZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentSecretZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_PaymentHashPaymentSecretZ* arg_conv = (LDKC2Tuple_PaymentHashPaymentSecretZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_PaymentHashPaymentSecretZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_PaymentHashPaymentSecretZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17484,7 +17484,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPayment
        LDKC2Tuple_PaymentHashPaymentSecretZ* orig_conv = (LDKC2Tuple_PaymentHashPaymentSecretZ*)(orig & ~1);
        LDKC2Tuple_PaymentHashPaymentSecretZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentSecretZ), "LDKC2Tuple_PaymentHashPaymentSecretZ");
        *ret_conv = C2Tuple_PaymentHashPaymentSecretZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentSecretZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int8_tArray b) {
@@ -17496,7 +17496,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPayment
        (*env)->GetByteArrayRegion(env, b, 0, 32, b_ref.data);
        LDKC2Tuple_PaymentHashPaymentSecretZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentSecretZ), "LDKC2Tuple_PaymentHashPaymentSecretZ");
        *ret_conv = C2Tuple_PaymentHashPaymentSecretZ_new(a_ref, b_ref);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentSecretZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -17515,13 +17515,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        o_conv = C2Tuple_PaymentHashPaymentSecretZ_clone((LDKC2Tuple_PaymentHashPaymentSecretZ*)(((uintptr_t)o) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentSecretZNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentSecretZNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17542,11 +17542,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashP
 static inline uintptr_t CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_clone_ptr(LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ *NONNULL_PTR arg) {
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentSecretZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentSecretZNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ* arg_conv = (LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17554,7 +17554,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ* orig_conv = (LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ*)(orig & ~1);
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentSecretZAPIErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17564,7 +17564,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        o_conv = C2Tuple_PaymentHashPaymentSecretZ_clone((LDKC2Tuple_PaymentHashPaymentSecretZ*)(((uintptr_t)o) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentSecretZAPIErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17574,7 +17574,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        e_conv = APIError_clone((LDKAPIError*)(((uintptr_t)e) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentSecretZAPIErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17595,11 +17595,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashP
 static inline uintptr_t CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_clone_ptr(LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ *NONNULL_PTR arg) {
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentSecretZAPIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentSecretZAPIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ* arg_conv = (LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17607,7 +17607,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ* orig_conv = (LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ*)(orig & ~1);
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretNoneZ_1ok(JNIEnv *env, jclass clz, int8_tArray o) {
@@ -17616,13 +17616,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretNoneZ
        (*env)->GetByteArrayRegion(env, o, 0, 32, o_ref.data);
        LDKCResult_PaymentSecretNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretNoneZ), "LDKCResult_PaymentSecretNoneZ");
        *ret_conv = CResult_PaymentSecretNoneZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_PaymentSecretNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretNoneZ), "LDKCResult_PaymentSecretNoneZ");
        *ret_conv = CResult_PaymentSecretNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17643,11 +17643,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretNoneZ_1f
 static inline uintptr_t CResult_PaymentSecretNoneZ_clone_ptr(LDKCResult_PaymentSecretNoneZ *NONNULL_PTR arg) {
        LDKCResult_PaymentSecretNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretNoneZ), "LDKCResult_PaymentSecretNoneZ");
        *ret_conv = CResult_PaymentSecretNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PaymentSecretNoneZ* arg_conv = (LDKCResult_PaymentSecretNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PaymentSecretNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PaymentSecretNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17655,7 +17655,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretNoneZ
        LDKCResult_PaymentSecretNoneZ* orig_conv = (LDKCResult_PaymentSecretNoneZ*)(orig & ~1);
        LDKCResult_PaymentSecretNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretNoneZ), "LDKCResult_PaymentSecretNoneZ");
        *ret_conv = CResult_PaymentSecretNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIErrorZ_1ok(JNIEnv *env, jclass clz, int8_tArray o) {
@@ -17664,7 +17664,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIEr
        (*env)->GetByteArrayRegion(env, o, 0, 32, o_ref.data);
        LDKCResult_PaymentSecretAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretAPIErrorZ), "LDKCResult_PaymentSecretAPIErrorZ");
        *ret_conv = CResult_PaymentSecretAPIErrorZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17674,7 +17674,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIEr
        e_conv = APIError_clone((LDKAPIError*)(((uintptr_t)e) & ~1));
        LDKCResult_PaymentSecretAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretAPIErrorZ), "LDKCResult_PaymentSecretAPIErrorZ");
        *ret_conv = CResult_PaymentSecretAPIErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17695,11 +17695,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIError
 static inline uintptr_t CResult_PaymentSecretAPIErrorZ_clone_ptr(LDKCResult_PaymentSecretAPIErrorZ *NONNULL_PTR arg) {
        LDKCResult_PaymentSecretAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretAPIErrorZ), "LDKCResult_PaymentSecretAPIErrorZ");
        *ret_conv = CResult_PaymentSecretAPIErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PaymentSecretAPIErrorZ* arg_conv = (LDKCResult_PaymentSecretAPIErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PaymentSecretAPIErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PaymentSecretAPIErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17707,7 +17707,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIEr
        LDKCResult_PaymentSecretAPIErrorZ* orig_conv = (LDKCResult_PaymentSecretAPIErrorZ*)(orig & ~1);
        LDKCResult_PaymentSecretAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretAPIErrorZ), "LDKCResult_PaymentSecretAPIErrorZ");
        *ret_conv = CResult_PaymentSecretAPIErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPIErrorZ_1ok(JNIEnv *env, jclass clz, int8_tArray o) {
@@ -17716,7 +17716,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPI
        (*env)->GetByteArrayRegion(env, o, 0, 32, o_ref.data);
        LDKCResult_PaymentPreimageAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentPreimageAPIErrorZ), "LDKCResult_PaymentPreimageAPIErrorZ");
        *ret_conv = CResult_PaymentPreimageAPIErrorZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPIErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17726,7 +17726,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPI
        e_conv = APIError_clone((LDKAPIError*)(((uintptr_t)e) & ~1));
        LDKCResult_PaymentPreimageAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentPreimageAPIErrorZ), "LDKCResult_PaymentPreimageAPIErrorZ");
        *ret_conv = CResult_PaymentPreimageAPIErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPIErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17747,11 +17747,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPIErr
 static inline uintptr_t CResult_PaymentPreimageAPIErrorZ_clone_ptr(LDKCResult_PaymentPreimageAPIErrorZ *NONNULL_PTR arg) {
        LDKCResult_PaymentPreimageAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentPreimageAPIErrorZ), "LDKCResult_PaymentPreimageAPIErrorZ");
        *ret_conv = CResult_PaymentPreimageAPIErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPIErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PaymentPreimageAPIErrorZ* arg_conv = (LDKCResult_PaymentPreimageAPIErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PaymentPreimageAPIErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PaymentPreimageAPIErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17759,7 +17759,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentPreimageAPI
        LDKCResult_PaymentPreimageAPIErrorZ* orig_conv = (LDKCResult_PaymentPreimageAPIErrorZ*)(orig & ~1);
        LDKCResult_PaymentPreimageAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentPreimageAPIErrorZ), "LDKCResult_PaymentPreimageAPIErrorZ");
        *ret_conv = CResult_PaymentPreimageAPIErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwardingInfoDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17770,7 +17770,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwar
        o_conv = CounterpartyForwardingInfo_clone(&o_conv);
        LDKCResult_CounterpartyForwardingInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyForwardingInfoDecodeErrorZ), "LDKCResult_CounterpartyForwardingInfoDecodeErrorZ");
        *ret_conv = CResult_CounterpartyForwardingInfoDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwardingInfoDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17781,7 +17781,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwar
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_CounterpartyForwardingInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyForwardingInfoDecodeErrorZ), "LDKCResult_CounterpartyForwardingInfoDecodeErrorZ");
        *ret_conv = CResult_CounterpartyForwardingInfoDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwardingInfoDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17802,11 +17802,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwardin
 static inline uintptr_t CResult_CounterpartyForwardingInfoDecodeErrorZ_clone_ptr(LDKCResult_CounterpartyForwardingInfoDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_CounterpartyForwardingInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyForwardingInfoDecodeErrorZ), "LDKCResult_CounterpartyForwardingInfoDecodeErrorZ");
        *ret_conv = CResult_CounterpartyForwardingInfoDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwardingInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwardingInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_CounterpartyForwardingInfoDecodeErrorZ* arg_conv = (LDKCResult_CounterpartyForwardingInfoDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_CounterpartyForwardingInfoDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_CounterpartyForwardingInfoDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17814,7 +17814,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyForwar
        LDKCResult_CounterpartyForwardingInfoDecodeErrorZ* orig_conv = (LDKCResult_CounterpartyForwardingInfoDecodeErrorZ*)(orig & ~1);
        LDKCResult_CounterpartyForwardingInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyForwardingInfoDecodeErrorZ), "LDKCResult_CounterpartyForwardingInfoDecodeErrorZ");
        *ret_conv = CResult_CounterpartyForwardingInfoDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpartyDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17825,7 +17825,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpart
        o_conv = ChannelCounterparty_clone(&o_conv);
        LDKCResult_ChannelCounterpartyDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelCounterpartyDecodeErrorZ), "LDKCResult_ChannelCounterpartyDecodeErrorZ");
        *ret_conv = CResult_ChannelCounterpartyDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpartyDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17836,7 +17836,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpart
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelCounterpartyDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelCounterpartyDecodeErrorZ), "LDKCResult_ChannelCounterpartyDecodeErrorZ");
        *ret_conv = CResult_ChannelCounterpartyDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpartyDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17857,11 +17857,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpartyDe
 static inline uintptr_t CResult_ChannelCounterpartyDecodeErrorZ_clone_ptr(LDKCResult_ChannelCounterpartyDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelCounterpartyDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelCounterpartyDecodeErrorZ), "LDKCResult_ChannelCounterpartyDecodeErrorZ");
        *ret_conv = CResult_ChannelCounterpartyDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpartyDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpartyDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelCounterpartyDecodeErrorZ* arg_conv = (LDKCResult_ChannelCounterpartyDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelCounterpartyDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelCounterpartyDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17869,7 +17869,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelCounterpart
        LDKCResult_ChannelCounterpartyDecodeErrorZ* orig_conv = (LDKCResult_ChannelCounterpartyDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelCounterpartyDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelCounterpartyDecodeErrorZ), "LDKCResult_ChannelCounterpartyDecodeErrorZ");
        *ret_conv = CResult_ChannelCounterpartyDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17880,7 +17880,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDeco
        o_conv = ChannelDetails_clone(&o_conv);
        LDKCResult_ChannelDetailsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelDetailsDecodeErrorZ), "LDKCResult_ChannelDetailsDecodeErrorZ");
        *ret_conv = CResult_ChannelDetailsDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17891,7 +17891,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDeco
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelDetailsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelDetailsDecodeErrorZ), "LDKCResult_ChannelDetailsDecodeErrorZ");
        *ret_conv = CResult_ChannelDetailsDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17912,11 +17912,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDecodeE
 static inline uintptr_t CResult_ChannelDetailsDecodeErrorZ_clone_ptr(LDKCResult_ChannelDetailsDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelDetailsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelDetailsDecodeErrorZ), "LDKCResult_ChannelDetailsDecodeErrorZ");
        *ret_conv = CResult_ChannelDetailsDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelDetailsDecodeErrorZ* arg_conv = (LDKCResult_ChannelDetailsDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelDetailsDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelDetailsDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17924,7 +17924,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelDetailsDeco
        LDKCResult_ChannelDetailsDecodeErrorZ* orig_conv = (LDKCResult_ChannelDetailsDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelDetailsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelDetailsDecodeErrorZ), "LDKCResult_ChannelDetailsDecodeErrorZ");
        *ret_conv = CResult_ChannelDetailsDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17935,7 +17935,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsD
        o_conv = PhantomRouteHints_clone(&o_conv);
        LDKCResult_PhantomRouteHintsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PhantomRouteHintsDecodeErrorZ), "LDKCResult_PhantomRouteHintsDecodeErrorZ");
        *ret_conv = CResult_PhantomRouteHintsDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -17946,7 +17946,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsD
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_PhantomRouteHintsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PhantomRouteHintsDecodeErrorZ), "LDKCResult_PhantomRouteHintsDecodeErrorZ");
        *ret_conv = CResult_PhantomRouteHintsDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -17967,11 +17967,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsDeco
 static inline uintptr_t CResult_PhantomRouteHintsDecodeErrorZ_clone_ptr(LDKCResult_PhantomRouteHintsDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_PhantomRouteHintsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PhantomRouteHintsDecodeErrorZ), "LDKCResult_PhantomRouteHintsDecodeErrorZ");
        *ret_conv = CResult_PhantomRouteHintsDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PhantomRouteHintsDecodeErrorZ* arg_conv = (LDKCResult_PhantomRouteHintsDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PhantomRouteHintsDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PhantomRouteHintsDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -17979,7 +17979,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PhantomRouteHintsD
        LDKCResult_PhantomRouteHintsDecodeErrorZ* orig_conv = (LDKCResult_PhantomRouteHintsDecodeErrorZ*)(orig & ~1);
        LDKCResult_PhantomRouteHintsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PhantomRouteHintsDecodeErrorZ), "LDKCResult_PhantomRouteHintsDecodeErrorZ");
        *ret_conv = CResult_PhantomRouteHintsDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1ChannelMonitorZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -18013,7 +18013,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMa
        // WARNING: we need a move here but no clone is available for LDKChannelManager
        LDKC2Tuple_BlockHashChannelManagerZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelManagerZ), "LDKC2Tuple_BlockHashChannelManagerZ");
        *ret_conv = C2Tuple_BlockHashChannelManagerZ_new(a_ref, b_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelManagerZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -18032,7 +18032,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHash
        // WARNING: we may need a move here but no clone is available for LDKC2Tuple_BlockHashChannelManagerZ
        LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ");
        *ret_conv = CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelManagerZDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -18043,7 +18043,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHash
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ");
        *ret_conv = CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelManagerZDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18069,7 +18069,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecod
        o_conv = ChannelConfig_clone(&o_conv);
        LDKCResult_ChannelConfigDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelConfigDecodeErrorZ), "LDKCResult_ChannelConfigDecodeErrorZ");
        *ret_conv = CResult_ChannelConfigDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -18080,7 +18080,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecod
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelConfigDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelConfigDecodeErrorZ), "LDKCResult_ChannelConfigDecodeErrorZ");
        *ret_conv = CResult_ChannelConfigDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18101,11 +18101,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecodeEr
 static inline uintptr_t CResult_ChannelConfigDecodeErrorZ_clone_ptr(LDKCResult_ChannelConfigDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelConfigDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelConfigDecodeErrorZ), "LDKCResult_ChannelConfigDecodeErrorZ");
        *ret_conv = CResult_ChannelConfigDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelConfigDecodeErrorZ* arg_conv = (LDKCResult_ChannelConfigDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelConfigDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelConfigDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18113,7 +18113,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecod
        LDKCResult_ChannelConfigDecodeErrorZ* orig_conv = (LDKCResult_ChannelConfigDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelConfigDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelConfigDecodeErrorZ), "LDKCResult_ChannelConfigDecodeErrorZ");
        *ret_conv = CResult_ChannelConfigDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18124,7 +18124,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErro
        o_conv = OutPoint_clone(&o_conv);
        LDKCResult_OutPointDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OutPointDecodeErrorZ), "LDKCResult_OutPointDecodeErrorZ");
        *ret_conv = CResult_OutPointDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -18135,7 +18135,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErro
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_OutPointDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OutPointDecodeErrorZ), "LDKCResult_OutPointDecodeErrorZ");
        *ret_conv = CResult_OutPointDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18156,11 +18156,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErrorZ_
 static inline uintptr_t CResult_OutPointDecodeErrorZ_clone_ptr(LDKCResult_OutPointDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_OutPointDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OutPointDecodeErrorZ), "LDKCResult_OutPointDecodeErrorZ");
        *ret_conv = CResult_OutPointDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_OutPointDecodeErrorZ* arg_conv = (LDKCResult_OutPointDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_OutPointDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_OutPointDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18168,7 +18168,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErro
        LDKCResult_OutPointDecodeErrorZ* orig_conv = (LDKCResult_OutPointDecodeErrorZ*)(orig & ~1);
        LDKCResult_OutPointDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OutPointDecodeErrorZ), "LDKCResult_OutPointDecodeErrorZ");
        *ret_conv = CResult_OutPointDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1some(JNIEnv *env, jclass clz, int64_t o) {
@@ -18181,14 +18181,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1some(JNIEnv
        }
        LDKCOption_TypeZ *ret_copy = MALLOC(sizeof(LDKCOption_TypeZ), "LDKCOption_TypeZ");
        *ret_copy = COption_TypeZ_some(o_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1none(JNIEnv *env, jclass clz) {
        LDKCOption_TypeZ *ret_copy = MALLOC(sizeof(LDKCOption_TypeZ), "LDKCOption_TypeZ");
        *ret_copy = COption_TypeZ_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -18204,12 +18204,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1free(JNIEnv *e
 static inline uintptr_t COption_TypeZ_clone_ptr(LDKCOption_TypeZ *NONNULL_PTR arg) {
        LDKCOption_TypeZ *ret_copy = MALLOC(sizeof(LDKCOption_TypeZ), "LDKCOption_TypeZ");
        *ret_copy = COption_TypeZ_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_TypeZ* arg_conv = (LDKCOption_TypeZ*)arg;
-       intptr_t ret_val = COption_TypeZ_clone_ptr(arg_conv);
+       int64_t ret_val = COption_TypeZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18217,7 +18217,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1clone(JNIEn
        LDKCOption_TypeZ* orig_conv = (LDKCOption_TypeZ*)orig;
        LDKCOption_TypeZ *ret_copy = MALLOC(sizeof(LDKCOption_TypeZ), "LDKCOption_TypeZ");
        *ret_copy = COption_TypeZ_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -18228,7 +18228,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDeco
        o_conv = COption_TypeZ_clone((LDKCOption_TypeZ*)(((uintptr_t)o) & ~1));
        LDKCResult_COption_TypeZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_TypeZDecodeErrorZ), "LDKCResult_COption_TypeZDecodeErrorZ");
        *ret_conv = CResult_COption_TypeZDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -18239,7 +18239,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDeco
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_COption_TypeZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_TypeZDecodeErrorZ), "LDKCResult_COption_TypeZDecodeErrorZ");
        *ret_conv = CResult_COption_TypeZDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18260,11 +18260,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDecodeE
 static inline uintptr_t CResult_COption_TypeZDecodeErrorZ_clone_ptr(LDKCResult_COption_TypeZDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_COption_TypeZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_TypeZDecodeErrorZ), "LDKCResult_COption_TypeZDecodeErrorZ");
        *ret_conv = CResult_COption_TypeZDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_COption_TypeZDecodeErrorZ* arg_conv = (LDKCResult_COption_TypeZDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_COption_TypeZDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_COption_TypeZDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18272,7 +18272,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDeco
        LDKCResult_COption_TypeZDecodeErrorZ* orig_conv = (LDKCResult_COption_TypeZDecodeErrorZ*)(orig & ~1);
        LDKCResult_COption_TypeZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_TypeZDecodeErrorZ), "LDKCResult_COption_TypeZDecodeErrorZ");
        *ret_conv = CResult_COption_TypeZDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentErrorZ_1ok(JNIEnv *env, jclass clz, int8_tArray o) {
@@ -18281,7 +18281,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentEr
        (*env)->GetByteArrayRegion(env, o, 0, 32, o_ref.data);
        LDKCResult_PaymentIdPaymentErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentErrorZ), "LDKCResult_PaymentIdPaymentErrorZ");
        *ret_conv = CResult_PaymentIdPaymentErrorZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -18291,7 +18291,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentEr
        e_conv = PaymentError_clone((LDKPaymentError*)(((uintptr_t)e) & ~1));
        LDKCResult_PaymentIdPaymentErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentErrorZ), "LDKCResult_PaymentIdPaymentErrorZ");
        *ret_conv = CResult_PaymentIdPaymentErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18312,11 +18312,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentError
 static inline uintptr_t CResult_PaymentIdPaymentErrorZ_clone_ptr(LDKCResult_PaymentIdPaymentErrorZ *NONNULL_PTR arg) {
        LDKCResult_PaymentIdPaymentErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentErrorZ), "LDKCResult_PaymentIdPaymentErrorZ");
        *ret_conv = CResult_PaymentIdPaymentErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PaymentIdPaymentErrorZ* arg_conv = (LDKCResult_PaymentIdPaymentErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PaymentIdPaymentErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PaymentIdPaymentErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18324,20 +18324,20 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentEr
        LDKCResult_PaymentIdPaymentErrorZ* orig_conv = (LDKCResult_PaymentIdPaymentErrorZ*)(orig & ~1);
        LDKCResult_PaymentIdPaymentErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentErrorZ), "LDKCResult_PaymentIdPaymentErrorZ");
        *ret_conv = CResult_PaymentIdPaymentErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SiPrefixNoneZ_1ok(JNIEnv *env, jclass clz, jclass o) {
        LDKSiPrefix o_conv = LDKSiPrefix_from_java(env, o);
        LDKCResult_SiPrefixNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SiPrefixNoneZ), "LDKCResult_SiPrefixNoneZ");
        *ret_conv = CResult_SiPrefixNoneZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SiPrefixNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_SiPrefixNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SiPrefixNoneZ), "LDKCResult_SiPrefixNoneZ");
        *ret_conv = CResult_SiPrefixNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1SiPrefixNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18358,11 +18358,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SiPrefixNoneZ_1free(J
 static inline uintptr_t CResult_SiPrefixNoneZ_clone_ptr(LDKCResult_SiPrefixNoneZ *NONNULL_PTR arg) {
        LDKCResult_SiPrefixNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SiPrefixNoneZ), "LDKCResult_SiPrefixNoneZ");
        *ret_conv = CResult_SiPrefixNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1SiPrefixNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SiPrefixNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_SiPrefixNoneZ* arg_conv = (LDKCResult_SiPrefixNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_SiPrefixNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_SiPrefixNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18370,7 +18370,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SiPrefixNoneZ_1clo
        LDKCResult_SiPrefixNoneZ* orig_conv = (LDKCResult_SiPrefixNoneZ*)(orig & ~1);
        LDKCResult_SiPrefixNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SiPrefixNoneZ), "LDKCResult_SiPrefixNoneZ");
        *ret_conv = CResult_SiPrefixNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18381,13 +18381,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1ok(J
        o_conv = Invoice_clone(&o_conv);
        LDKCResult_InvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceNoneZ), "LDKCResult_InvoiceNoneZ");
        *ret_conv = CResult_InvoiceNoneZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_InvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceNoneZ), "LDKCResult_InvoiceNoneZ");
        *ret_conv = CResult_InvoiceNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18408,11 +18408,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1free(JN
 static inline uintptr_t CResult_InvoiceNoneZ_clone_ptr(LDKCResult_InvoiceNoneZ *NONNULL_PTR arg) {
        LDKCResult_InvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceNoneZ), "LDKCResult_InvoiceNoneZ");
        *ret_conv = CResult_InvoiceNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_InvoiceNoneZ* arg_conv = (LDKCResult_InvoiceNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_InvoiceNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_InvoiceNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18420,7 +18420,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1clon
        LDKCResult_InvoiceNoneZ* orig_conv = (LDKCResult_InvoiceNoneZ*)(orig & ~1);
        LDKCResult_InvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceNoneZ), "LDKCResult_InvoiceNoneZ");
        *ret_conv = CResult_InvoiceNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNoneZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18431,13 +18431,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNo
        o_conv = SignedRawInvoice_clone(&o_conv);
        LDKCResult_SignedRawInvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignedRawInvoiceNoneZ), "LDKCResult_SignedRawInvoiceNoneZ");
        *ret_conv = CResult_SignedRawInvoiceNoneZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_SignedRawInvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignedRawInvoiceNoneZ), "LDKCResult_SignedRawInvoiceNoneZ");
        *ret_conv = CResult_SignedRawInvoiceNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18458,11 +18458,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNoneZ
 static inline uintptr_t CResult_SignedRawInvoiceNoneZ_clone_ptr(LDKCResult_SignedRawInvoiceNoneZ *NONNULL_PTR arg) {
        LDKCResult_SignedRawInvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignedRawInvoiceNoneZ), "LDKCResult_SignedRawInvoiceNoneZ");
        *ret_conv = CResult_SignedRawInvoiceNoneZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNoneZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_SignedRawInvoiceNoneZ* arg_conv = (LDKCResult_SignedRawInvoiceNoneZ*)(arg & ~1);
-       intptr_t ret_val = CResult_SignedRawInvoiceNoneZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_SignedRawInvoiceNoneZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18470,17 +18470,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNo
        LDKCResult_SignedRawInvoiceNoneZ* orig_conv = (LDKCResult_SignedRawInvoiceNoneZ*)(orig & ~1);
        LDKCResult_SignedRawInvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignedRawInvoiceNoneZ), "LDKCResult_SignedRawInvoiceNoneZ");
        *ret_conv = CResult_SignedRawInvoiceNoneZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static inline uintptr_t C3Tuple_RawInvoice_u832InvoiceSignatureZ_clone_ptr(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ *NONNULL_PTR arg) {
        LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* ret_conv = MALLOC(sizeof(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ), "LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ");
        *ret_conv = C3Tuple_RawInvoice_u832InvoiceSignatureZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832InvoiceSignatureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832InvoiceSignatureZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* arg_conv = (LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ*)(arg & ~1);
-       intptr_t ret_val = C3Tuple_RawInvoice_u832InvoiceSignatureZ_clone_ptr(arg_conv);
+       int64_t ret_val = C3Tuple_RawInvoice_u832InvoiceSignatureZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18488,7 +18488,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832In
        LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* orig_conv = (LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ*)(orig & ~1);
        LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* ret_conv = MALLOC(sizeof(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ), "LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ");
        *ret_conv = C3Tuple_RawInvoice_u832InvoiceSignatureZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832InvoiceSignatureZ_1new(JNIEnv *env, jclass clz, int64_t a, int8_tArray b, int64_t c) {
@@ -18507,7 +18507,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832In
        c_conv = InvoiceSignature_clone(&c_conv);
        LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* ret_conv = MALLOC(sizeof(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ), "LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ");
        *ret_conv = C3Tuple_RawInvoice_u832InvoiceSignatureZ_new(a_conv, b_ref, c_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832InvoiceSignatureZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -18527,14 +18527,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_
        o_conv = PayeePubKey_clone(&o_conv);
        LDKCResult_PayeePubKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PayeePubKeyErrorZ), "LDKCResult_PayeePubKeyErrorZ");
        *ret_conv = CResult_PayeePubKeyErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKSecp256k1Error e_conv = LDKSecp256k1Error_from_java(env, e);
        LDKCResult_PayeePubKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PayeePubKeyErrorZ), "LDKCResult_PayeePubKeyErrorZ");
        *ret_conv = CResult_PayeePubKeyErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18555,11 +18555,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_1fr
 static inline uintptr_t CResult_PayeePubKeyErrorZ_clone_ptr(LDKCResult_PayeePubKeyErrorZ *NONNULL_PTR arg) {
        LDKCResult_PayeePubKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PayeePubKeyErrorZ), "LDKCResult_PayeePubKeyErrorZ");
        *ret_conv = CResult_PayeePubKeyErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PayeePubKeyErrorZ* arg_conv = (LDKCResult_PayeePubKeyErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PayeePubKeyErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PayeePubKeyErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18567,7 +18567,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_
        LDKCResult_PayeePubKeyErrorZ* orig_conv = (LDKCResult_PayeePubKeyErrorZ*)(orig & ~1);
        LDKCResult_PayeePubKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PayeePubKeyErrorZ), "LDKCResult_PayeePubKeyErrorZ");
        *ret_conv = CResult_PayeePubKeyErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1PrivateRouteZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -18598,14 +18598,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampC
        o_conv = PositiveTimestamp_clone(&o_conv);
        LDKCResult_PositiveTimestampCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PositiveTimestampCreationErrorZ), "LDKCResult_PositiveTimestampCreationErrorZ");
        *ret_conv = CResult_PositiveTimestampCreationErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampCreationErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKCreationError e_conv = LDKCreationError_from_java(env, e);
        LDKCResult_PositiveTimestampCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PositiveTimestampCreationErrorZ), "LDKCResult_PositiveTimestampCreationErrorZ");
        *ret_conv = CResult_PositiveTimestampCreationErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampCreationErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18626,11 +18626,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampCrea
 static inline uintptr_t CResult_PositiveTimestampCreationErrorZ_clone_ptr(LDKCResult_PositiveTimestampCreationErrorZ *NONNULL_PTR arg) {
        LDKCResult_PositiveTimestampCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PositiveTimestampCreationErrorZ), "LDKCResult_PositiveTimestampCreationErrorZ");
        *ret_conv = CResult_PositiveTimestampCreationErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampCreationErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampCreationErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PositiveTimestampCreationErrorZ* arg_conv = (LDKCResult_PositiveTimestampCreationErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PositiveTimestampCreationErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PositiveTimestampCreationErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18638,20 +18638,20 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampC
        LDKCResult_PositiveTimestampCreationErrorZ* orig_conv = (LDKCResult_PositiveTimestampCreationErrorZ*)(orig & ~1);
        LDKCResult_PositiveTimestampCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PositiveTimestampCreationErrorZ), "LDKCResult_PositiveTimestampCreationErrorZ");
        *ret_conv = CResult_PositiveTimestampCreationErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneSemanticErrorZ_1ok(JNIEnv *env, jclass clz) {
        LDKCResult_NoneSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneSemanticErrorZ), "LDKCResult_NoneSemanticErrorZ");
        *ret_conv = CResult_NoneSemanticErrorZ_ok();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneSemanticErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKSemanticError e_conv = LDKSemanticError_from_java(env, e);
        LDKCResult_NoneSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneSemanticErrorZ), "LDKCResult_NoneSemanticErrorZ");
        *ret_conv = CResult_NoneSemanticErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NoneSemanticErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18672,11 +18672,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneSemanticErrorZ_1f
 static inline uintptr_t CResult_NoneSemanticErrorZ_clone_ptr(LDKCResult_NoneSemanticErrorZ *NONNULL_PTR arg) {
        LDKCResult_NoneSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneSemanticErrorZ), "LDKCResult_NoneSemanticErrorZ");
        *ret_conv = CResult_NoneSemanticErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneSemanticErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneSemanticErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NoneSemanticErrorZ* arg_conv = (LDKCResult_NoneSemanticErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NoneSemanticErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NoneSemanticErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18684,7 +18684,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneSemanticErrorZ
        LDKCResult_NoneSemanticErrorZ* orig_conv = (LDKCResult_NoneSemanticErrorZ*)(orig & ~1);
        LDKCResult_NoneSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneSemanticErrorZ), "LDKCResult_NoneSemanticErrorZ");
        *ret_conv = CResult_NoneSemanticErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18695,14 +18695,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErr
        o_conv = Invoice_clone(&o_conv);
        LDKCResult_InvoiceSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSemanticErrorZ), "LDKCResult_InvoiceSemanticErrorZ");
        *ret_conv = CResult_InvoiceSemanticErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKSemanticError e_conv = LDKSemanticError_from_java(env, e);
        LDKCResult_InvoiceSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSemanticErrorZ), "LDKCResult_InvoiceSemanticErrorZ");
        *ret_conv = CResult_InvoiceSemanticErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18723,11 +18723,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErrorZ
 static inline uintptr_t CResult_InvoiceSemanticErrorZ_clone_ptr(LDKCResult_InvoiceSemanticErrorZ *NONNULL_PTR arg) {
        LDKCResult_InvoiceSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSemanticErrorZ), "LDKCResult_InvoiceSemanticErrorZ");
        *ret_conv = CResult_InvoiceSemanticErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_InvoiceSemanticErrorZ* arg_conv = (LDKCResult_InvoiceSemanticErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_InvoiceSemanticErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_InvoiceSemanticErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18735,7 +18735,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErr
        LDKCResult_InvoiceSemanticErrorZ* orig_conv = (LDKCResult_InvoiceSemanticErrorZ*)(orig & ~1);
        LDKCResult_InvoiceSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSemanticErrorZ), "LDKCResult_InvoiceSemanticErrorZ");
        *ret_conv = CResult_InvoiceSemanticErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreationErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18746,14 +18746,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreatio
        o_conv = Description_clone(&o_conv);
        LDKCResult_DescriptionCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DescriptionCreationErrorZ), "LDKCResult_DescriptionCreationErrorZ");
        *ret_conv = CResult_DescriptionCreationErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreationErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKCreationError e_conv = LDKCreationError_from_java(env, e);
        LDKCResult_DescriptionCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DescriptionCreationErrorZ), "LDKCResult_DescriptionCreationErrorZ");
        *ret_conv = CResult_DescriptionCreationErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreationErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18774,11 +18774,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreationEr
 static inline uintptr_t CResult_DescriptionCreationErrorZ_clone_ptr(LDKCResult_DescriptionCreationErrorZ *NONNULL_PTR arg) {
        LDKCResult_DescriptionCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DescriptionCreationErrorZ), "LDKCResult_DescriptionCreationErrorZ");
        *ret_conv = CResult_DescriptionCreationErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreationErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreationErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_DescriptionCreationErrorZ* arg_conv = (LDKCResult_DescriptionCreationErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_DescriptionCreationErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_DescriptionCreationErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18786,7 +18786,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreatio
        LDKCResult_DescriptionCreationErrorZ* orig_conv = (LDKCResult_DescriptionCreationErrorZ*)(orig & ~1);
        LDKCResult_DescriptionCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DescriptionCreationErrorZ), "LDKCResult_DescriptionCreationErrorZ");
        *ret_conv = CResult_DescriptionCreationErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreationErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18797,14 +18797,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreati
        o_conv = PrivateRoute_clone(&o_conv);
        LDKCResult_PrivateRouteCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PrivateRouteCreationErrorZ), "LDKCResult_PrivateRouteCreationErrorZ");
        *ret_conv = CResult_PrivateRouteCreationErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreationErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKCreationError e_conv = LDKCreationError_from_java(env, e);
        LDKCResult_PrivateRouteCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PrivateRouteCreationErrorZ), "LDKCResult_PrivateRouteCreationErrorZ");
        *ret_conv = CResult_PrivateRouteCreationErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreationErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18825,11 +18825,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreationE
 static inline uintptr_t CResult_PrivateRouteCreationErrorZ_clone_ptr(LDKCResult_PrivateRouteCreationErrorZ *NONNULL_PTR arg) {
        LDKCResult_PrivateRouteCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PrivateRouteCreationErrorZ), "LDKCResult_PrivateRouteCreationErrorZ");
        *ret_conv = CResult_PrivateRouteCreationErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreationErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreationErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PrivateRouteCreationErrorZ* arg_conv = (LDKCResult_PrivateRouteCreationErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PrivateRouteCreationErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PrivateRouteCreationErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18837,21 +18837,21 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreati
        LDKCResult_PrivateRouteCreationErrorZ* orig_conv = (LDKCResult_PrivateRouteCreationErrorZ*)(orig & ~1);
        LDKCResult_PrivateRouteCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PrivateRouteCreationErrorZ), "LDKCResult_PrivateRouteCreationErrorZ");
        *ret_conv = CResult_PrivateRouteCreationErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StringErrorZ_1ok(JNIEnv *env, jclass clz, jstring o) {
        LDKStr o_conv = java_to_owned_str(env, o);
        LDKCResult_StringErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_StringErrorZ), "LDKCResult_StringErrorZ");
        *ret_conv = CResult_StringErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StringErrorZ_1err(JNIEnv *env, jclass clz, jclass e) {
        LDKSecp256k1Error e_conv = LDKSecp256k1Error_from_java(env, e);
        LDKCResult_StringErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_StringErrorZ), "LDKCResult_StringErrorZ");
        *ret_conv = CResult_StringErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1StringErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18877,7 +18877,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpda
        o_conv = ChannelMonitorUpdate_clone(&o_conv);
        LDKCResult_ChannelMonitorUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelMonitorUpdateDecodeErrorZ), "LDKCResult_ChannelMonitorUpdateDecodeErrorZ");
        *ret_conv = CResult_ChannelMonitorUpdateDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpdateDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -18888,7 +18888,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpda
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelMonitorUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelMonitorUpdateDecodeErrorZ), "LDKCResult_ChannelMonitorUpdateDecodeErrorZ");
        *ret_conv = CResult_ChannelMonitorUpdateDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpdateDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -18909,11 +18909,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpdateD
 static inline uintptr_t CResult_ChannelMonitorUpdateDecodeErrorZ_clone_ptr(LDKCResult_ChannelMonitorUpdateDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelMonitorUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelMonitorUpdateDecodeErrorZ), "LDKCResult_ChannelMonitorUpdateDecodeErrorZ");
        *ret_conv = CResult_ChannelMonitorUpdateDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpdateDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpdateDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelMonitorUpdateDecodeErrorZ* arg_conv = (LDKCResult_ChannelMonitorUpdateDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelMonitorUpdateDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelMonitorUpdateDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18921,7 +18921,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpda
        LDKCResult_ChannelMonitorUpdateDecodeErrorZ* orig_conv = (LDKCResult_ChannelMonitorUpdateDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelMonitorUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelMonitorUpdateDecodeErrorZ), "LDKCResult_ChannelMonitorUpdateDecodeErrorZ");
        *ret_conv = CResult_ChannelMonitorUpdateDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1MonitorEventZ_1some(JNIEnv *env, jclass clz, int64_t o) {
@@ -18931,14 +18931,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1MonitorEventZ_1som
        o_conv = MonitorEvent_clone((LDKMonitorEvent*)(((uintptr_t)o) & ~1));
        LDKCOption_MonitorEventZ *ret_copy = MALLOC(sizeof(LDKCOption_MonitorEventZ), "LDKCOption_MonitorEventZ");
        *ret_copy = COption_MonitorEventZ_some(o_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1MonitorEventZ_1none(JNIEnv *env, jclass clz) {
        LDKCOption_MonitorEventZ *ret_copy = MALLOC(sizeof(LDKCOption_MonitorEventZ), "LDKCOption_MonitorEventZ");
        *ret_copy = COption_MonitorEventZ_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -18954,12 +18954,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1MonitorEventZ_1free(J
 static inline uintptr_t COption_MonitorEventZ_clone_ptr(LDKCOption_MonitorEventZ *NONNULL_PTR arg) {
        LDKCOption_MonitorEventZ *ret_copy = MALLOC(sizeof(LDKCOption_MonitorEventZ), "LDKCOption_MonitorEventZ");
        *ret_copy = COption_MonitorEventZ_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1MonitorEventZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1MonitorEventZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_MonitorEventZ* arg_conv = (LDKCOption_MonitorEventZ*)arg;
-       intptr_t ret_val = COption_MonitorEventZ_clone_ptr(arg_conv);
+       int64_t ret_val = COption_MonitorEventZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -18967,7 +18967,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1MonitorEventZ_1clo
        LDKCOption_MonitorEventZ* orig_conv = (LDKCOption_MonitorEventZ*)orig;
        LDKCOption_MonitorEventZ *ret_copy = MALLOC(sizeof(LDKCOption_MonitorEventZ), "LDKCOption_MonitorEventZ");
        *ret_copy = COption_MonitorEventZ_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -18978,7 +18978,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEv
        o_conv = COption_MonitorEventZ_clone((LDKCOption_MonitorEventZ*)(((uintptr_t)o) & ~1));
        LDKCResult_COption_MonitorEventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_MonitorEventZDecodeErrorZ), "LDKCResult_COption_MonitorEventZDecodeErrorZ");
        *ret_conv = CResult_COption_MonitorEventZDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEventZDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -18989,7 +18989,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEv
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_COption_MonitorEventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_MonitorEventZDecodeErrorZ), "LDKCResult_COption_MonitorEventZDecodeErrorZ");
        *ret_conv = CResult_COption_MonitorEventZDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEventZDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19010,11 +19010,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEvent
 static inline uintptr_t CResult_COption_MonitorEventZDecodeErrorZ_clone_ptr(LDKCResult_COption_MonitorEventZDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_COption_MonitorEventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_MonitorEventZDecodeErrorZ), "LDKCResult_COption_MonitorEventZDecodeErrorZ");
        *ret_conv = CResult_COption_MonitorEventZDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEventZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEventZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_COption_MonitorEventZDecodeErrorZ* arg_conv = (LDKCResult_COption_MonitorEventZDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_COption_MonitorEventZDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_COption_MonitorEventZDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19022,7 +19022,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1MonitorEv
        LDKCResult_COption_MonitorEventZDecodeErrorZ* orig_conv = (LDKCResult_COption_MonitorEventZDecodeErrorZ*)(orig & ~1);
        LDKCResult_COption_MonitorEventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_MonitorEventZDecodeErrorZ), "LDKCResult_COption_MonitorEventZDecodeErrorZ");
        *ret_conv = CResult_COption_MonitorEventZDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19033,7 +19033,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeEr
        o_conv = HTLCUpdate_clone(&o_conv);
        LDKCResult_HTLCUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCUpdateDecodeErrorZ), "LDKCResult_HTLCUpdateDecodeErrorZ");
        *ret_conv = CResult_HTLCUpdateDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -19044,7 +19044,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeEr
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_HTLCUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCUpdateDecodeErrorZ), "LDKCResult_HTLCUpdateDecodeErrorZ");
        *ret_conv = CResult_HTLCUpdateDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19065,11 +19065,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeError
 static inline uintptr_t CResult_HTLCUpdateDecodeErrorZ_clone_ptr(LDKCResult_HTLCUpdateDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_HTLCUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCUpdateDecodeErrorZ), "LDKCResult_HTLCUpdateDecodeErrorZ");
        *ret_conv = CResult_HTLCUpdateDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_HTLCUpdateDecodeErrorZ* arg_conv = (LDKCResult_HTLCUpdateDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_HTLCUpdateDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_HTLCUpdateDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19077,17 +19077,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeEr
        LDKCResult_HTLCUpdateDecodeErrorZ* orig_conv = (LDKCResult_HTLCUpdateDecodeErrorZ*)(orig & ~1);
        LDKCResult_HTLCUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCUpdateDecodeErrorZ), "LDKCResult_HTLCUpdateDecodeErrorZ");
        *ret_conv = CResult_HTLCUpdateDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static inline uintptr_t C2Tuple_OutPointScriptZ_clone_ptr(LDKC2Tuple_OutPointScriptZ *NONNULL_PTR arg) {
        LDKC2Tuple_OutPointScriptZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_OutPointScriptZ), "LDKC2Tuple_OutPointScriptZ");
        *ret_conv = C2Tuple_OutPointScriptZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_OutPointScriptZ* arg_conv = (LDKC2Tuple_OutPointScriptZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_OutPointScriptZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_OutPointScriptZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19095,7 +19095,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1c
        LDKC2Tuple_OutPointScriptZ* orig_conv = (LDKC2Tuple_OutPointScriptZ*)(orig & ~1);
        LDKC2Tuple_OutPointScriptZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_OutPointScriptZ), "LDKC2Tuple_OutPointScriptZ");
        *ret_conv = C2Tuple_OutPointScriptZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1new(JNIEnv *env, jclass clz, int64_t a, int8_tArray b) {
@@ -19110,7 +19110,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1n
        (*env)->GetByteArrayRegion(env, b, 0, b_ref.datalen, b_ref.data);
        LDKC2Tuple_OutPointScriptZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_OutPointScriptZ), "LDKC2Tuple_OutPointScriptZ");
        *ret_conv = C2Tuple_OutPointScriptZ_new(a_conv, b_ref);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -19125,11 +19125,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1free
 static inline uintptr_t C2Tuple_u32ScriptZ_clone_ptr(LDKC2Tuple_u32ScriptZ *NONNULL_PTR arg) {
        LDKC2Tuple_u32ScriptZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_u32ScriptZ), "LDKC2Tuple_u32ScriptZ");
        *ret_conv = C2Tuple_u32ScriptZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32ScriptZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32ScriptZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_u32ScriptZ* arg_conv = (LDKC2Tuple_u32ScriptZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_u32ScriptZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_u32ScriptZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19137,7 +19137,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32ScriptZ_1clone(
        LDKC2Tuple_u32ScriptZ* orig_conv = (LDKC2Tuple_u32ScriptZ*)(orig & ~1);
        LDKC2Tuple_u32ScriptZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_u32ScriptZ), "LDKC2Tuple_u32ScriptZ");
        *ret_conv = C2Tuple_u32ScriptZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32ScriptZ_1new(JNIEnv *env, jclass clz, int32_t a, int8_tArray b) {
@@ -19147,7 +19147,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32ScriptZ_1new(JN
        (*env)->GetByteArrayRegion(env, b, 0, b_ref.datalen, b_ref.data);
        LDKC2Tuple_u32ScriptZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_u32ScriptZ), "LDKC2Tuple_u32ScriptZ");
        *ret_conv = C2Tuple_u32ScriptZ_new(a, b_ref);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32ScriptZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -19182,11 +19182,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1u32ScriptZZ_1fr
 static inline uintptr_t C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_clone_ptr(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ *NONNULL_PTR arg) {
        LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ");
        *ret_conv = C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32ScriptZZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32ScriptZZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ* arg_conv = (LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19194,7 +19194,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_
        LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ* orig_conv = (LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(orig & ~1);
        LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ");
        *ret_conv = C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32ScriptZZZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_tArray b) {
@@ -19219,7 +19219,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_
        (*env)->ReleaseLongArrayElements(env, b, b_vals, 0);
        LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ");
        *ret_conv = C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_new(a_ref, b_constr);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32ScriptZZZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -19293,11 +19293,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1TransactionZ_1free(JNIEn
 static inline uintptr_t C2Tuple_u32TxOutZ_clone_ptr(LDKC2Tuple_u32TxOutZ *NONNULL_PTR arg) {
        LDKC2Tuple_u32TxOutZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_u32TxOutZ), "LDKC2Tuple_u32TxOutZ");
        *ret_conv = C2Tuple_u32TxOutZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_u32TxOutZ* arg_conv = (LDKC2Tuple_u32TxOutZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_u32TxOutZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_u32TxOutZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19305,7 +19305,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1clone(J
        LDKC2Tuple_u32TxOutZ* orig_conv = (LDKC2Tuple_u32TxOutZ*)(orig & ~1);
        LDKC2Tuple_u32TxOutZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_u32TxOutZ), "LDKC2Tuple_u32TxOutZ");
        *ret_conv = C2Tuple_u32TxOutZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1new(JNIEnv *env, jclass clz, int32_t a, int64_t b) {
@@ -19315,7 +19315,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1new(JNI
        b_conv = TxOut_clone((LDKTxOut*)(((uintptr_t)b) & ~1));
        LDKC2Tuple_u32TxOutZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_u32TxOutZ), "LDKC2Tuple_u32TxOutZ");
        *ret_conv = C2Tuple_u32TxOutZ_new(a, b_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -19350,11 +19350,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1u32TxOutZZ_1fre
 static inline uintptr_t C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_clone_ptr(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ *NONNULL_PTR arg) {
        LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ");
        *ret_conv = C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32TxOutZZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32TxOutZZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* arg_conv = (LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19362,7 +19362,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_
        LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* orig_conv = (LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(orig & ~1);
        LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ");
        *ret_conv = C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32TxOutZZZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_tArray b) {
@@ -19387,7 +19387,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_
        (*env)->ReleaseLongArrayElements(env, b, b_vals, 0);
        LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ");
        *ret_conv = C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_new(a_ref, b_constr);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32TxOutZZZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -19446,7 +19446,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHash
        o_conv = C2Tuple_BlockHashChannelMonitorZ_clone((LDKC2Tuple_BlockHashChannelMonitorZ*)(((uintptr_t)o) & ~1));
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ");
        *ret_conv = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelMonitorZDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -19457,7 +19457,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHash
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ");
        *ret_conv = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelMonitorZDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19478,11 +19478,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashCha
 static inline uintptr_t CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_clone_ptr(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ");
        *ret_conv = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelMonitorZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelMonitorZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* arg_conv = (LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19490,13 +19490,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHash
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* orig_conv = (LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ*)(orig & ~1);
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ");
        *ret_conv = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningErrorZ_1ok(JNIEnv *env, jclass clz) {
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = CResult_NoneLightningErrorZ_ok();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -19507,7 +19507,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningError
        e_conv = LightningError_clone(&e_conv);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = CResult_NoneLightningErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19528,11 +19528,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningErrorZ_1
 static inline uintptr_t CResult_NoneLightningErrorZ_clone_ptr(LDKCResult_NoneLightningErrorZ *NONNULL_PTR arg) {
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = CResult_NoneLightningErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NoneLightningErrorZ* arg_conv = (LDKCResult_NoneLightningErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NoneLightningErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NoneLightningErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19540,17 +19540,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningError
        LDKCResult_NoneLightningErrorZ* orig_conv = (LDKCResult_NoneLightningErrorZ*)(orig & ~1);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = CResult_NoneLightningErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static inline uintptr_t C2Tuple_PublicKeyTypeZ_clone_ptr(LDKC2Tuple_PublicKeyTypeZ *NONNULL_PTR arg) {
        LDKC2Tuple_PublicKeyTypeZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PublicKeyTypeZ), "LDKC2Tuple_PublicKeyTypeZ");
        *ret_conv = C2Tuple_PublicKeyTypeZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC2Tuple_PublicKeyTypeZ* arg_conv = (LDKC2Tuple_PublicKeyTypeZ*)(arg & ~1);
-       intptr_t ret_val = C2Tuple_PublicKeyTypeZ_clone_ptr(arg_conv);
+       int64_t ret_val = C2Tuple_PublicKeyTypeZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19558,7 +19558,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1cl
        LDKC2Tuple_PublicKeyTypeZ* orig_conv = (LDKC2Tuple_PublicKeyTypeZ*)(orig & ~1);
        LDKC2Tuple_PublicKeyTypeZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PublicKeyTypeZ), "LDKC2Tuple_PublicKeyTypeZ");
        *ret_conv = C2Tuple_PublicKeyTypeZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_t b) {
@@ -19574,7 +19574,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1ne
        }
        LDKC2Tuple_PublicKeyTypeZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PublicKeyTypeZ), "LDKC2Tuple_PublicKeyTypeZ");
        *ret_conv = C2Tuple_PublicKeyTypeZ_new(a_ref, b_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -19609,7 +19609,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1PublicKeyTypeZZ
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningErrorZ_1ok(JNIEnv *env, jclass clz, jboolean o) {
        LDKCResult_boolLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolLightningErrorZ), "LDKCResult_boolLightningErrorZ");
        *ret_conv = CResult_boolLightningErrorZ_ok(o);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -19620,7 +19620,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningError
        e_conv = LightningError_clone(&e_conv);
        LDKCResult_boolLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolLightningErrorZ), "LDKCResult_boolLightningErrorZ");
        *ret_conv = CResult_boolLightningErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19641,11 +19641,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningErrorZ_1
 static inline uintptr_t CResult_boolLightningErrorZ_clone_ptr(LDKCResult_boolLightningErrorZ *NONNULL_PTR arg) {
        LDKCResult_boolLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolLightningErrorZ), "LDKCResult_boolLightningErrorZ");
        *ret_conv = CResult_boolLightningErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_boolLightningErrorZ* arg_conv = (LDKCResult_boolLightningErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_boolLightningErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_boolLightningErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19653,17 +19653,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningError
        LDKCResult_boolLightningErrorZ* orig_conv = (LDKCResult_boolLightningErrorZ*)(orig & ~1);
        LDKCResult_boolLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolLightningErrorZ), "LDKCResult_boolLightningErrorZ");
        *ret_conv = CResult_boolLightningErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 static inline uintptr_t C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_clone_ptr(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ *NONNULL_PTR arg) {
        LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* ret_conv = MALLOC(sizeof(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ), "LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ");
        *ret_conv = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_clone(arg);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncementChannelUpdateChannelUpdateZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncementChannelUpdateChannelUpdateZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* arg_conv = (LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(arg & ~1);
-       intptr_t ret_val = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_clone_ptr(arg_conv);
+       int64_t ret_val = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19671,7 +19671,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncemen
        LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* orig_conv = (LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(orig & ~1);
        LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* ret_conv = MALLOC(sizeof(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ), "LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ");
        *ret_conv = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_clone(orig_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncementChannelUpdateChannelUpdateZ_1new(JNIEnv *env, jclass clz, int64_t a, int64_t b, int64_t c) {
@@ -19692,7 +19692,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncemen
        c_conv = ChannelUpdate_clone(&c_conv);
        LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* ret_conv = MALLOC(sizeof(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ), "LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ");
        *ret_conv = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_new(a_conv, b_conv, c_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncementChannelUpdateChannelUpdateZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
@@ -19768,7 +19768,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandl
        (*env)->GetByteArrayRegion(env, o, 0, o_ref.datalen, o_ref.data);
        LDKCResult_CVec_u8ZPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_u8ZPeerHandleErrorZ), "LDKCResult_CVec_u8ZPeerHandleErrorZ");
        *ret_conv = CResult_CVec_u8ZPeerHandleErrorZ_ok(o_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandleErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -19779,7 +19779,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandl
        e_conv = PeerHandleError_clone(&e_conv);
        LDKCResult_CVec_u8ZPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_u8ZPeerHandleErrorZ), "LDKCResult_CVec_u8ZPeerHandleErrorZ");
        *ret_conv = CResult_CVec_u8ZPeerHandleErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandleErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19800,11 +19800,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandleEr
 static inline uintptr_t CResult_CVec_u8ZPeerHandleErrorZ_clone_ptr(LDKCResult_CVec_u8ZPeerHandleErrorZ *NONNULL_PTR arg) {
        LDKCResult_CVec_u8ZPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_u8ZPeerHandleErrorZ), "LDKCResult_CVec_u8ZPeerHandleErrorZ");
        *ret_conv = CResult_CVec_u8ZPeerHandleErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandleErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandleErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_CVec_u8ZPeerHandleErrorZ* arg_conv = (LDKCResult_CVec_u8ZPeerHandleErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_CVec_u8ZPeerHandleErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_CVec_u8ZPeerHandleErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19812,13 +19812,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandl
        LDKCResult_CVec_u8ZPeerHandleErrorZ* orig_conv = (LDKCResult_CVec_u8ZPeerHandleErrorZ*)(orig & ~1);
        LDKCResult_CVec_u8ZPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_u8ZPeerHandleErrorZ), "LDKCResult_CVec_u8ZPeerHandleErrorZ");
        *ret_conv = CResult_CVec_u8ZPeerHandleErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErrorZ_1ok(JNIEnv *env, jclass clz) {
        LDKCResult_NonePeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePeerHandleErrorZ), "LDKCResult_NonePeerHandleErrorZ");
        *ret_conv = CResult_NonePeerHandleErrorZ_ok();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -19829,7 +19829,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErro
        e_conv = PeerHandleError_clone(&e_conv);
        LDKCResult_NonePeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePeerHandleErrorZ), "LDKCResult_NonePeerHandleErrorZ");
        *ret_conv = CResult_NonePeerHandleErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19850,11 +19850,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErrorZ_
 static inline uintptr_t CResult_NonePeerHandleErrorZ_clone_ptr(LDKCResult_NonePeerHandleErrorZ *NONNULL_PTR arg) {
        LDKCResult_NonePeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePeerHandleErrorZ), "LDKCResult_NonePeerHandleErrorZ");
        *ret_conv = CResult_NonePeerHandleErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NonePeerHandleErrorZ* arg_conv = (LDKCResult_NonePeerHandleErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NonePeerHandleErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NonePeerHandleErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19862,13 +19862,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErro
        LDKCResult_NonePeerHandleErrorZ* orig_conv = (LDKCResult_NonePeerHandleErrorZ*)(orig & ~1);
        LDKCResult_NonePeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePeerHandleErrorZ), "LDKCResult_NonePeerHandleErrorZ");
        *ret_conv = CResult_NonePeerHandleErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErrorZ_1ok(JNIEnv *env, jclass clz, jboolean o) {
        LDKCResult_boolPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolPeerHandleErrorZ), "LDKCResult_boolPeerHandleErrorZ");
        *ret_conv = CResult_boolPeerHandleErrorZ_ok(o);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -19879,7 +19879,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErro
        e_conv = PeerHandleError_clone(&e_conv);
        LDKCResult_boolPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolPeerHandleErrorZ), "LDKCResult_boolPeerHandleErrorZ");
        *ret_conv = CResult_boolPeerHandleErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19900,11 +19900,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErrorZ_
 static inline uintptr_t CResult_boolPeerHandleErrorZ_clone_ptr(LDKCResult_boolPeerHandleErrorZ *NONNULL_PTR arg) {
        LDKCResult_boolPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolPeerHandleErrorZ), "LDKCResult_boolPeerHandleErrorZ");
        *ret_conv = CResult_boolPeerHandleErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_boolPeerHandleErrorZ* arg_conv = (LDKCResult_boolPeerHandleErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_boolPeerHandleErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_boolPeerHandleErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19912,7 +19912,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErro
        LDKCResult_boolPeerHandleErrorZ* orig_conv = (LDKCResult_boolPeerHandleErrorZ*)(orig & ~1);
        LDKCResult_boolPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolPeerHandleErrorZ), "LDKCResult_boolPeerHandleErrorZ");
        *ret_conv = CResult_boolPeerHandleErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19923,7 +19923,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ
        o_conv = NodeId_clone(&o_conv);
        LDKCResult_NodeIdDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeIdDecodeErrorZ), "LDKCResult_NodeIdDecodeErrorZ");
        *ret_conv = CResult_NodeIdDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -19934,7 +19934,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_NodeIdDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeIdDecodeErrorZ), "LDKCResult_NodeIdDecodeErrorZ");
        *ret_conv = CResult_NodeIdDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19955,11 +19955,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ_1f
 static inline uintptr_t CResult_NodeIdDecodeErrorZ_clone_ptr(LDKCResult_NodeIdDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_NodeIdDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeIdDecodeErrorZ), "LDKCResult_NodeIdDecodeErrorZ");
        *ret_conv = CResult_NodeIdDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NodeIdDecodeErrorZ* arg_conv = (LDKCResult_NodeIdDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NodeIdDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NodeIdDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -19967,7 +19967,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ
        LDKCResult_NodeIdDecodeErrorZ* orig_conv = (LDKCResult_NodeIdDecodeErrorZ*)(orig & ~1);
        LDKCResult_NodeIdDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeIdDecodeErrorZ), "LDKCResult_NodeIdDecodeErrorZ");
        *ret_conv = CResult_NodeIdDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUpdateZDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -19977,7 +19977,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUp
        o_conv = COption_NetworkUpdateZ_clone((LDKCOption_NetworkUpdateZ*)(((uintptr_t)o) & ~1));
        LDKCResult_COption_NetworkUpdateZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_NetworkUpdateZDecodeErrorZ), "LDKCResult_COption_NetworkUpdateZDecodeErrorZ");
        *ret_conv = CResult_COption_NetworkUpdateZDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUpdateZDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -19988,7 +19988,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUp
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_COption_NetworkUpdateZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_NetworkUpdateZDecodeErrorZ), "LDKCResult_COption_NetworkUpdateZDecodeErrorZ");
        *ret_conv = CResult_COption_NetworkUpdateZDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUpdateZDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20009,11 +20009,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUpdat
 static inline uintptr_t CResult_COption_NetworkUpdateZDecodeErrorZ_clone_ptr(LDKCResult_COption_NetworkUpdateZDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_COption_NetworkUpdateZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_NetworkUpdateZDecodeErrorZ), "LDKCResult_COption_NetworkUpdateZDecodeErrorZ");
        *ret_conv = CResult_COption_NetworkUpdateZDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUpdateZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUpdateZDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_COption_NetworkUpdateZDecodeErrorZ* arg_conv = (LDKCResult_COption_NetworkUpdateZDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_COption_NetworkUpdateZDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_COption_NetworkUpdateZDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20021,7 +20021,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1NetworkUp
        LDKCResult_COption_NetworkUpdateZDecodeErrorZ* orig_conv = (LDKCResult_COption_NetworkUpdateZDecodeErrorZ*)(orig & ~1);
        LDKCResult_COption_NetworkUpdateZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_NetworkUpdateZDecodeErrorZ), "LDKCResult_COption_NetworkUpdateZDecodeErrorZ");
        *ret_conv = CResult_COption_NetworkUpdateZDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1AccessZ_1some(JNIEnv *env, jclass clz, int64_t o) {
@@ -20034,14 +20034,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1AccessZ_1some(JNIE
        }
        LDKCOption_AccessZ *ret_copy = MALLOC(sizeof(LDKCOption_AccessZ), "LDKCOption_AccessZ");
        *ret_copy = COption_AccessZ_some(o_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1AccessZ_1none(JNIEnv *env, jclass clz) {
        LDKCOption_AccessZ *ret_copy = MALLOC(sizeof(LDKCOption_AccessZ), "LDKCOption_AccessZ");
        *ret_copy = COption_AccessZ_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -20062,7 +20062,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoD
        o_conv = ChannelUpdateInfo_clone(&o_conv);
        LDKCResult_ChannelUpdateInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateInfoDecodeErrorZ), "LDKCResult_ChannelUpdateInfoDecodeErrorZ");
        *ret_conv = CResult_ChannelUpdateInfoDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20073,7 +20073,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoD
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelUpdateInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateInfoDecodeErrorZ), "LDKCResult_ChannelUpdateInfoDecodeErrorZ");
        *ret_conv = CResult_ChannelUpdateInfoDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20094,11 +20094,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoDeco
 static inline uintptr_t CResult_ChannelUpdateInfoDecodeErrorZ_clone_ptr(LDKCResult_ChannelUpdateInfoDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelUpdateInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateInfoDecodeErrorZ), "LDKCResult_ChannelUpdateInfoDecodeErrorZ");
        *ret_conv = CResult_ChannelUpdateInfoDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelUpdateInfoDecodeErrorZ* arg_conv = (LDKCResult_ChannelUpdateInfoDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelUpdateInfoDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelUpdateInfoDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20106,7 +20106,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateInfoD
        LDKCResult_ChannelUpdateInfoDecodeErrorZ* orig_conv = (LDKCResult_ChannelUpdateInfoDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelUpdateInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateInfoDecodeErrorZ), "LDKCResult_ChannelUpdateInfoDecodeErrorZ");
        *ret_conv = CResult_ChannelUpdateInfoDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20117,7 +20117,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeE
        o_conv = ChannelInfo_clone(&o_conv);
        LDKCResult_ChannelInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelInfoDecodeErrorZ), "LDKCResult_ChannelInfoDecodeErrorZ");
        *ret_conv = CResult_ChannelInfoDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20128,7 +20128,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeE
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelInfoDecodeErrorZ), "LDKCResult_ChannelInfoDecodeErrorZ");
        *ret_conv = CResult_ChannelInfoDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20149,11 +20149,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeErro
 static inline uintptr_t CResult_ChannelInfoDecodeErrorZ_clone_ptr(LDKCResult_ChannelInfoDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelInfoDecodeErrorZ), "LDKCResult_ChannelInfoDecodeErrorZ");
        *ret_conv = CResult_ChannelInfoDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelInfoDecodeErrorZ* arg_conv = (LDKCResult_ChannelInfoDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelInfoDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelInfoDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20161,7 +20161,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeE
        LDKCResult_ChannelInfoDecodeErrorZ* orig_conv = (LDKCResult_ChannelInfoDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelInfoDecodeErrorZ), "LDKCResult_ChannelInfoDecodeErrorZ");
        *ret_conv = CResult_ChannelInfoDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20172,7 +20172,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeE
        o_conv = RoutingFees_clone(&o_conv);
        LDKCResult_RoutingFeesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RoutingFeesDecodeErrorZ), "LDKCResult_RoutingFeesDecodeErrorZ");
        *ret_conv = CResult_RoutingFeesDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20183,7 +20183,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeE
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_RoutingFeesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RoutingFeesDecodeErrorZ), "LDKCResult_RoutingFeesDecodeErrorZ");
        *ret_conv = CResult_RoutingFeesDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20204,11 +20204,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeErro
 static inline uintptr_t CResult_RoutingFeesDecodeErrorZ_clone_ptr(LDKCResult_RoutingFeesDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_RoutingFeesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RoutingFeesDecodeErrorZ), "LDKCResult_RoutingFeesDecodeErrorZ");
        *ret_conv = CResult_RoutingFeesDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_RoutingFeesDecodeErrorZ* arg_conv = (LDKCResult_RoutingFeesDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_RoutingFeesDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_RoutingFeesDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20216,7 +20216,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeE
        LDKCResult_RoutingFeesDecodeErrorZ* orig_conv = (LDKCResult_RoutingFeesDecodeErrorZ*)(orig & ~1);
        LDKCResult_RoutingFeesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RoutingFeesDecodeErrorZ), "LDKCResult_RoutingFeesDecodeErrorZ");
        *ret_conv = CResult_RoutingFeesDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementInfoDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20227,7 +20227,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementIn
        o_conv = NodeAnnouncementInfo_clone(&o_conv);
        LDKCResult_NodeAnnouncementInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementInfoDecodeErrorZ), "LDKCResult_NodeAnnouncementInfoDecodeErrorZ");
        *ret_conv = CResult_NodeAnnouncementInfoDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementInfoDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20238,7 +20238,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementIn
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_NodeAnnouncementInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementInfoDecodeErrorZ), "LDKCResult_NodeAnnouncementInfoDecodeErrorZ");
        *ret_conv = CResult_NodeAnnouncementInfoDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementInfoDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20259,11 +20259,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementInfoD
 static inline uintptr_t CResult_NodeAnnouncementInfoDecodeErrorZ_clone_ptr(LDKCResult_NodeAnnouncementInfoDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_NodeAnnouncementInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementInfoDecodeErrorZ), "LDKCResult_NodeAnnouncementInfoDecodeErrorZ");
        *ret_conv = CResult_NodeAnnouncementInfoDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NodeAnnouncementInfoDecodeErrorZ* arg_conv = (LDKCResult_NodeAnnouncementInfoDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NodeAnnouncementInfoDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NodeAnnouncementInfoDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20271,7 +20271,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementIn
        LDKCResult_NodeAnnouncementInfoDecodeErrorZ* orig_conv = (LDKCResult_NodeAnnouncementInfoDecodeErrorZ*)(orig & ~1);
        LDKCResult_NodeAnnouncementInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementInfoDecodeErrorZ), "LDKCResult_NodeAnnouncementInfoDecodeErrorZ");
        *ret_conv = CResult_NodeAnnouncementInfoDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1u64Z_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -20298,7 +20298,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErro
        o_conv = NodeInfo_clone(&o_conv);
        LDKCResult_NodeInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeInfoDecodeErrorZ), "LDKCResult_NodeInfoDecodeErrorZ");
        *ret_conv = CResult_NodeInfoDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20309,7 +20309,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErro
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_NodeInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeInfoDecodeErrorZ), "LDKCResult_NodeInfoDecodeErrorZ");
        *ret_conv = CResult_NodeInfoDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20330,11 +20330,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErrorZ_
 static inline uintptr_t CResult_NodeInfoDecodeErrorZ_clone_ptr(LDKCResult_NodeInfoDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_NodeInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeInfoDecodeErrorZ), "LDKCResult_NodeInfoDecodeErrorZ");
        *ret_conv = CResult_NodeInfoDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NodeInfoDecodeErrorZ* arg_conv = (LDKCResult_NodeInfoDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NodeInfoDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NodeInfoDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20342,7 +20342,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErro
        LDKCResult_NodeInfoDecodeErrorZ* orig_conv = (LDKCResult_NodeInfoDecodeErrorZ*)(orig & ~1);
        LDKCResult_NodeInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeInfoDecodeErrorZ), "LDKCResult_NodeInfoDecodeErrorZ");
        *ret_conv = CResult_NodeInfoDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20353,7 +20353,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecode
        o_conv = NetworkGraph_clone(&o_conv);
        LDKCResult_NetworkGraphDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetworkGraphDecodeErrorZ), "LDKCResult_NetworkGraphDecodeErrorZ");
        *ret_conv = CResult_NetworkGraphDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20364,7 +20364,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecode
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_NetworkGraphDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetworkGraphDecodeErrorZ), "LDKCResult_NetworkGraphDecodeErrorZ");
        *ret_conv = CResult_NetworkGraphDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20385,11 +20385,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecodeErr
 static inline uintptr_t CResult_NetworkGraphDecodeErrorZ_clone_ptr(LDKCResult_NetworkGraphDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_NetworkGraphDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetworkGraphDecodeErrorZ), "LDKCResult_NetworkGraphDecodeErrorZ");
        *ret_conv = CResult_NetworkGraphDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NetworkGraphDecodeErrorZ* arg_conv = (LDKCResult_NetworkGraphDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NetworkGraphDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NetworkGraphDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20397,7 +20397,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecode
        LDKCResult_NetworkGraphDecodeErrorZ* orig_conv = (LDKCResult_NetworkGraphDecodeErrorZ*)(orig & ~1);
        LDKCResult_NetworkGraphDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetworkGraphDecodeErrorZ), "LDKCResult_NetworkGraphDecodeErrorZ");
        *ret_conv = CResult_NetworkGraphDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ_1some(JNIEnv *env, jclass clz, int64_tArray o) {
@@ -20419,14 +20419,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ
        (*env)->ReleaseLongArrayElements(env, o, o_vals, 0);
        LDKCOption_CVec_NetAddressZZ *ret_copy = MALLOC(sizeof(LDKCOption_CVec_NetAddressZZ), "LDKCOption_CVec_NetAddressZZ");
        *ret_copy = COption_CVec_NetAddressZZ_some(o_constr);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ_1none(JNIEnv *env, jclass clz) {
        LDKCOption_CVec_NetAddressZZ *ret_copy = MALLOC(sizeof(LDKCOption_CVec_NetAddressZZ), "LDKCOption_CVec_NetAddressZZ");
        *ret_copy = COption_CVec_NetAddressZZ_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -20442,12 +20442,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ_1f
 static inline uintptr_t COption_CVec_NetAddressZZ_clone_ptr(LDKCOption_CVec_NetAddressZZ *NONNULL_PTR arg) {
        LDKCOption_CVec_NetAddressZZ *ret_copy = MALLOC(sizeof(LDKCOption_CVec_NetAddressZZ), "LDKCOption_CVec_NetAddressZZ");
        *ret_copy = COption_CVec_NetAddressZZ_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCOption_CVec_NetAddressZZ* arg_conv = (LDKCOption_CVec_NetAddressZZ*)arg;
-       intptr_t ret_val = COption_CVec_NetAddressZZ_clone_ptr(arg_conv);
+       int64_t ret_val = COption_CVec_NetAddressZZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20455,7 +20455,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ
        LDKCOption_CVec_NetAddressZZ* orig_conv = (LDKCOption_CVec_NetAddressZZ*)orig;
        LDKCOption_CVec_NetAddressZZ *ret_copy = MALLOC(sizeof(LDKCOption_CVec_NetAddressZZ), "LDKCOption_CVec_NetAddressZZ");
        *ret_copy = COption_CVec_NetAddressZZ_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -20466,7 +20466,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeEr
        o_conv = NetAddress_clone((LDKNetAddress*)(((uintptr_t)o) & ~1));
        LDKCResult_NetAddressDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetAddressDecodeErrorZ), "LDKCResult_NetAddressDecodeErrorZ");
        *ret_conv = CResult_NetAddressDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20477,7 +20477,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeEr
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_NetAddressDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetAddressDecodeErrorZ), "LDKCResult_NetAddressDecodeErrorZ");
        *ret_conv = CResult_NetAddressDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20498,11 +20498,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeError
 static inline uintptr_t CResult_NetAddressDecodeErrorZ_clone_ptr(LDKCResult_NetAddressDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_NetAddressDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetAddressDecodeErrorZ), "LDKCResult_NetAddressDecodeErrorZ");
        *ret_conv = CResult_NetAddressDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NetAddressDecodeErrorZ* arg_conv = (LDKCResult_NetAddressDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NetAddressDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NetAddressDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20510,7 +20510,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeEr
        LDKCResult_NetAddressDecodeErrorZ* orig_conv = (LDKCResult_NetAddressDecodeErrorZ*)(orig & ~1);
        LDKCResult_NetAddressDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetAddressDecodeErrorZ), "LDKCResult_NetAddressDecodeErrorZ");
        *ret_conv = CResult_NetAddressDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1UpdateAddHTLCZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -20601,7 +20601,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecod
        o_conv = AcceptChannel_clone(&o_conv);
        LDKCResult_AcceptChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AcceptChannelDecodeErrorZ), "LDKCResult_AcceptChannelDecodeErrorZ");
        *ret_conv = CResult_AcceptChannelDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20612,7 +20612,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecod
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_AcceptChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AcceptChannelDecodeErrorZ), "LDKCResult_AcceptChannelDecodeErrorZ");
        *ret_conv = CResult_AcceptChannelDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20633,11 +20633,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecodeEr
 static inline uintptr_t CResult_AcceptChannelDecodeErrorZ_clone_ptr(LDKCResult_AcceptChannelDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_AcceptChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AcceptChannelDecodeErrorZ), "LDKCResult_AcceptChannelDecodeErrorZ");
        *ret_conv = CResult_AcceptChannelDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_AcceptChannelDecodeErrorZ* arg_conv = (LDKCResult_AcceptChannelDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_AcceptChannelDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_AcceptChannelDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20645,7 +20645,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecod
        LDKCResult_AcceptChannelDecodeErrorZ* orig_conv = (LDKCResult_AcceptChannelDecodeErrorZ*)(orig & ~1);
        LDKCResult_AcceptChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AcceptChannelDecodeErrorZ), "LDKCResult_AcceptChannelDecodeErrorZ");
        *ret_conv = CResult_AcceptChannelDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignaturesDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20656,7 +20656,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignat
        o_conv = AnnouncementSignatures_clone(&o_conv);
        LDKCResult_AnnouncementSignaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AnnouncementSignaturesDecodeErrorZ), "LDKCResult_AnnouncementSignaturesDecodeErrorZ");
        *ret_conv = CResult_AnnouncementSignaturesDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignaturesDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20667,7 +20667,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignat
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_AnnouncementSignaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AnnouncementSignaturesDecodeErrorZ), "LDKCResult_AnnouncementSignaturesDecodeErrorZ");
        *ret_conv = CResult_AnnouncementSignaturesDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignaturesDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20688,11 +20688,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignature
 static inline uintptr_t CResult_AnnouncementSignaturesDecodeErrorZ_clone_ptr(LDKCResult_AnnouncementSignaturesDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_AnnouncementSignaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AnnouncementSignaturesDecodeErrorZ), "LDKCResult_AnnouncementSignaturesDecodeErrorZ");
        *ret_conv = CResult_AnnouncementSignaturesDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignaturesDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignaturesDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_AnnouncementSignaturesDecodeErrorZ* arg_conv = (LDKCResult_AnnouncementSignaturesDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_AnnouncementSignaturesDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_AnnouncementSignaturesDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20700,7 +20700,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignat
        LDKCResult_AnnouncementSignaturesDecodeErrorZ* orig_conv = (LDKCResult_AnnouncementSignaturesDecodeErrorZ*)(orig & ~1);
        LDKCResult_AnnouncementSignaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AnnouncementSignaturesDecodeErrorZ), "LDKCResult_AnnouncementSignaturesDecodeErrorZ");
        *ret_conv = CResult_AnnouncementSignaturesDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablishDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20711,7 +20711,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablish
        o_conv = ChannelReestablish_clone(&o_conv);
        LDKCResult_ChannelReestablishDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelReestablishDecodeErrorZ), "LDKCResult_ChannelReestablishDecodeErrorZ");
        *ret_conv = CResult_ChannelReestablishDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablishDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20722,7 +20722,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablish
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelReestablishDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelReestablishDecodeErrorZ), "LDKCResult_ChannelReestablishDecodeErrorZ");
        *ret_conv = CResult_ChannelReestablishDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablishDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20743,11 +20743,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablishDec
 static inline uintptr_t CResult_ChannelReestablishDecodeErrorZ_clone_ptr(LDKCResult_ChannelReestablishDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelReestablishDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelReestablishDecodeErrorZ), "LDKCResult_ChannelReestablishDecodeErrorZ");
        *ret_conv = CResult_ChannelReestablishDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablishDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablishDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelReestablishDecodeErrorZ* arg_conv = (LDKCResult_ChannelReestablishDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelReestablishDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelReestablishDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20755,7 +20755,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablish
        LDKCResult_ChannelReestablishDecodeErrorZ* orig_conv = (LDKCResult_ChannelReestablishDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelReestablishDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelReestablishDecodeErrorZ), "LDKCResult_ChannelReestablishDecodeErrorZ");
        *ret_conv = CResult_ChannelReestablishDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20766,7 +20766,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecod
        o_conv = ClosingSigned_clone(&o_conv);
        LDKCResult_ClosingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedDecodeErrorZ), "LDKCResult_ClosingSignedDecodeErrorZ");
        *ret_conv = CResult_ClosingSignedDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20777,7 +20777,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecod
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ClosingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedDecodeErrorZ), "LDKCResult_ClosingSignedDecodeErrorZ");
        *ret_conv = CResult_ClosingSignedDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20798,11 +20798,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecodeEr
 static inline uintptr_t CResult_ClosingSignedDecodeErrorZ_clone_ptr(LDKCResult_ClosingSignedDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ClosingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedDecodeErrorZ), "LDKCResult_ClosingSignedDecodeErrorZ");
        *ret_conv = CResult_ClosingSignedDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ClosingSignedDecodeErrorZ* arg_conv = (LDKCResult_ClosingSignedDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ClosingSignedDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ClosingSignedDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20810,7 +20810,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecod
        LDKCResult_ClosingSignedDecodeErrorZ* orig_conv = (LDKCResult_ClosingSignedDecodeErrorZ*)(orig & ~1);
        LDKCResult_ClosingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedDecodeErrorZ), "LDKCResult_ClosingSignedDecodeErrorZ");
        *ret_conv = CResult_ClosingSignedDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRangeDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20821,7 +20821,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRa
        o_conv = ClosingSignedFeeRange_clone(&o_conv);
        LDKCResult_ClosingSignedFeeRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ), "LDKCResult_ClosingSignedFeeRangeDecodeErrorZ");
        *ret_conv = CResult_ClosingSignedFeeRangeDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRangeDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20832,7 +20832,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRa
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ClosingSignedFeeRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ), "LDKCResult_ClosingSignedFeeRangeDecodeErrorZ");
        *ret_conv = CResult_ClosingSignedFeeRangeDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRangeDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20853,11 +20853,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRange
 static inline uintptr_t CResult_ClosingSignedFeeRangeDecodeErrorZ_clone_ptr(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ClosingSignedFeeRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ), "LDKCResult_ClosingSignedFeeRangeDecodeErrorZ");
        *ret_conv = CResult_ClosingSignedFeeRangeDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRangeDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRangeDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ClosingSignedFeeRangeDecodeErrorZ* arg_conv = (LDKCResult_ClosingSignedFeeRangeDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ClosingSignedFeeRangeDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ClosingSignedFeeRangeDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20865,7 +20865,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRa
        LDKCResult_ClosingSignedFeeRangeDecodeErrorZ* orig_conv = (LDKCResult_ClosingSignedFeeRangeDecodeErrorZ*)(orig & ~1);
        LDKCResult_ClosingSignedFeeRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ), "LDKCResult_ClosingSignedFeeRangeDecodeErrorZ");
        *ret_conv = CResult_ClosingSignedFeeRangeDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20876,7 +20876,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDe
        o_conv = CommitmentSigned_clone(&o_conv);
        LDKCResult_CommitmentSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentSignedDecodeErrorZ), "LDKCResult_CommitmentSignedDecodeErrorZ");
        *ret_conv = CResult_CommitmentSignedDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20887,7 +20887,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDe
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_CommitmentSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentSignedDecodeErrorZ), "LDKCResult_CommitmentSignedDecodeErrorZ");
        *ret_conv = CResult_CommitmentSignedDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20908,11 +20908,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDecod
 static inline uintptr_t CResult_CommitmentSignedDecodeErrorZ_clone_ptr(LDKCResult_CommitmentSignedDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_CommitmentSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentSignedDecodeErrorZ), "LDKCResult_CommitmentSignedDecodeErrorZ");
        *ret_conv = CResult_CommitmentSignedDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_CommitmentSignedDecodeErrorZ* arg_conv = (LDKCResult_CommitmentSignedDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_CommitmentSignedDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_CommitmentSignedDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20920,7 +20920,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDe
        LDKCResult_CommitmentSignedDecodeErrorZ* orig_conv = (LDKCResult_CommitmentSignedDecodeErrorZ*)(orig & ~1);
        LDKCResult_CommitmentSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentSignedDecodeErrorZ), "LDKCResult_CommitmentSignedDecodeErrorZ");
        *ret_conv = CResult_CommitmentSignedDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20931,7 +20931,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDeco
        o_conv = FundingCreated_clone(&o_conv);
        LDKCResult_FundingCreatedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingCreatedDecodeErrorZ), "LDKCResult_FundingCreatedDecodeErrorZ");
        *ret_conv = CResult_FundingCreatedDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20942,7 +20942,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDeco
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_FundingCreatedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingCreatedDecodeErrorZ), "LDKCResult_FundingCreatedDecodeErrorZ");
        *ret_conv = CResult_FundingCreatedDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20963,11 +20963,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDecodeE
 static inline uintptr_t CResult_FundingCreatedDecodeErrorZ_clone_ptr(LDKCResult_FundingCreatedDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_FundingCreatedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingCreatedDecodeErrorZ), "LDKCResult_FundingCreatedDecodeErrorZ");
        *ret_conv = CResult_FundingCreatedDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_FundingCreatedDecodeErrorZ* arg_conv = (LDKCResult_FundingCreatedDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_FundingCreatedDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_FundingCreatedDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -20975,7 +20975,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDeco
        LDKCResult_FundingCreatedDecodeErrorZ* orig_conv = (LDKCResult_FundingCreatedDecodeErrorZ*)(orig & ~1);
        LDKCResult_FundingCreatedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingCreatedDecodeErrorZ), "LDKCResult_FundingCreatedDecodeErrorZ");
        *ret_conv = CResult_FundingCreatedDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -20986,7 +20986,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecod
        o_conv = FundingSigned_clone(&o_conv);
        LDKCResult_FundingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingSignedDecodeErrorZ), "LDKCResult_FundingSignedDecodeErrorZ");
        *ret_conv = CResult_FundingSignedDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -20997,7 +20997,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecod
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_FundingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingSignedDecodeErrorZ), "LDKCResult_FundingSignedDecodeErrorZ");
        *ret_conv = CResult_FundingSignedDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21018,11 +21018,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecodeEr
 static inline uintptr_t CResult_FundingSignedDecodeErrorZ_clone_ptr(LDKCResult_FundingSignedDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_FundingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingSignedDecodeErrorZ), "LDKCResult_FundingSignedDecodeErrorZ");
        *ret_conv = CResult_FundingSignedDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_FundingSignedDecodeErrorZ* arg_conv = (LDKCResult_FundingSignedDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_FundingSignedDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_FundingSignedDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21030,7 +21030,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecod
        LDKCResult_FundingSignedDecodeErrorZ* orig_conv = (LDKCResult_FundingSignedDecodeErrorZ*)(orig & ~1);
        LDKCResult_FundingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingSignedDecodeErrorZ), "LDKCResult_FundingSignedDecodeErrorZ");
        *ret_conv = CResult_FundingSignedDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21041,7 +21041,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecod
        o_conv = FundingLocked_clone(&o_conv);
        LDKCResult_FundingLockedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingLockedDecodeErrorZ), "LDKCResult_FundingLockedDecodeErrorZ");
        *ret_conv = CResult_FundingLockedDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21052,7 +21052,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecod
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_FundingLockedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingLockedDecodeErrorZ), "LDKCResult_FundingLockedDecodeErrorZ");
        *ret_conv = CResult_FundingLockedDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21073,11 +21073,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecodeEr
 static inline uintptr_t CResult_FundingLockedDecodeErrorZ_clone_ptr(LDKCResult_FundingLockedDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_FundingLockedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingLockedDecodeErrorZ), "LDKCResult_FundingLockedDecodeErrorZ");
        *ret_conv = CResult_FundingLockedDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_FundingLockedDecodeErrorZ* arg_conv = (LDKCResult_FundingLockedDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_FundingLockedDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_FundingLockedDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21085,7 +21085,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecod
        LDKCResult_FundingLockedDecodeErrorZ* orig_conv = (LDKCResult_FundingLockedDecodeErrorZ*)(orig & ~1);
        LDKCResult_FundingLockedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingLockedDecodeErrorZ), "LDKCResult_FundingLockedDecodeErrorZ");
        *ret_conv = CResult_FundingLockedDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21096,7 +21096,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1
        o_conv = Init_clone(&o_conv);
        LDKCResult_InitDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InitDecodeErrorZ), "LDKCResult_InitDecodeErrorZ");
        *ret_conv = CResult_InitDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21107,7 +21107,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_InitDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InitDecodeErrorZ), "LDKCResult_InitDecodeErrorZ");
        *ret_conv = CResult_InitDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21128,11 +21128,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1fre
 static inline uintptr_t CResult_InitDecodeErrorZ_clone_ptr(LDKCResult_InitDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_InitDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InitDecodeErrorZ), "LDKCResult_InitDecodeErrorZ");
        *ret_conv = CResult_InitDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_InitDecodeErrorZ* arg_conv = (LDKCResult_InitDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_InitDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_InitDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21140,7 +21140,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1
        LDKCResult_InitDecodeErrorZ* orig_conv = (LDKCResult_InitDecodeErrorZ*)(orig & ~1);
        LDKCResult_InitDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InitDecodeErrorZ), "LDKCResult_InitDecodeErrorZ");
        *ret_conv = CResult_InitDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21151,7 +21151,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeE
        o_conv = OpenChannel_clone(&o_conv);
        LDKCResult_OpenChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OpenChannelDecodeErrorZ), "LDKCResult_OpenChannelDecodeErrorZ");
        *ret_conv = CResult_OpenChannelDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21162,7 +21162,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeE
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_OpenChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OpenChannelDecodeErrorZ), "LDKCResult_OpenChannelDecodeErrorZ");
        *ret_conv = CResult_OpenChannelDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21183,11 +21183,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeErro
 static inline uintptr_t CResult_OpenChannelDecodeErrorZ_clone_ptr(LDKCResult_OpenChannelDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_OpenChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OpenChannelDecodeErrorZ), "LDKCResult_OpenChannelDecodeErrorZ");
        *ret_conv = CResult_OpenChannelDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_OpenChannelDecodeErrorZ* arg_conv = (LDKCResult_OpenChannelDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_OpenChannelDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_OpenChannelDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21195,7 +21195,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeE
        LDKCResult_OpenChannelDecodeErrorZ* orig_conv = (LDKCResult_OpenChannelDecodeErrorZ*)(orig & ~1);
        LDKCResult_OpenChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OpenChannelDecodeErrorZ), "LDKCResult_OpenChannelDecodeErrorZ");
        *ret_conv = CResult_OpenChannelDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21206,7 +21206,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecode
        o_conv = RevokeAndACK_clone(&o_conv);
        LDKCResult_RevokeAndACKDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RevokeAndACKDecodeErrorZ), "LDKCResult_RevokeAndACKDecodeErrorZ");
        *ret_conv = CResult_RevokeAndACKDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21217,7 +21217,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecode
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_RevokeAndACKDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RevokeAndACKDecodeErrorZ), "LDKCResult_RevokeAndACKDecodeErrorZ");
        *ret_conv = CResult_RevokeAndACKDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21238,11 +21238,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecodeErr
 static inline uintptr_t CResult_RevokeAndACKDecodeErrorZ_clone_ptr(LDKCResult_RevokeAndACKDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_RevokeAndACKDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RevokeAndACKDecodeErrorZ), "LDKCResult_RevokeAndACKDecodeErrorZ");
        *ret_conv = CResult_RevokeAndACKDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_RevokeAndACKDecodeErrorZ* arg_conv = (LDKCResult_RevokeAndACKDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_RevokeAndACKDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_RevokeAndACKDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21250,7 +21250,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecode
        LDKCResult_RevokeAndACKDecodeErrorZ* orig_conv = (LDKCResult_RevokeAndACKDecodeErrorZ*)(orig & ~1);
        LDKCResult_RevokeAndACKDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RevokeAndACKDecodeErrorZ), "LDKCResult_RevokeAndACKDecodeErrorZ");
        *ret_conv = CResult_RevokeAndACKDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21261,7 +21261,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErro
        o_conv = Shutdown_clone(&o_conv);
        LDKCResult_ShutdownDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownDecodeErrorZ), "LDKCResult_ShutdownDecodeErrorZ");
        *ret_conv = CResult_ShutdownDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21272,7 +21272,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErro
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ShutdownDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownDecodeErrorZ), "LDKCResult_ShutdownDecodeErrorZ");
        *ret_conv = CResult_ShutdownDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21293,11 +21293,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErrorZ_
 static inline uintptr_t CResult_ShutdownDecodeErrorZ_clone_ptr(LDKCResult_ShutdownDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ShutdownDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownDecodeErrorZ), "LDKCResult_ShutdownDecodeErrorZ");
        *ret_conv = CResult_ShutdownDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ShutdownDecodeErrorZ* arg_conv = (LDKCResult_ShutdownDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ShutdownDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ShutdownDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21305,7 +21305,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErro
        LDKCResult_ShutdownDecodeErrorZ* orig_conv = (LDKCResult_ShutdownDecodeErrorZ*)(orig & ~1);
        LDKCResult_ShutdownDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownDecodeErrorZ), "LDKCResult_ShutdownDecodeErrorZ");
        *ret_conv = CResult_ShutdownDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21316,7 +21316,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDeco
        o_conv = UpdateFailHTLC_clone(&o_conv);
        LDKCResult_UpdateFailHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailHTLCDecodeErrorZ), "LDKCResult_UpdateFailHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFailHTLCDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21327,7 +21327,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDeco
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_UpdateFailHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailHTLCDecodeErrorZ), "LDKCResult_UpdateFailHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFailHTLCDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21348,11 +21348,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDecodeE
 static inline uintptr_t CResult_UpdateFailHTLCDecodeErrorZ_clone_ptr(LDKCResult_UpdateFailHTLCDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_UpdateFailHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailHTLCDecodeErrorZ), "LDKCResult_UpdateFailHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFailHTLCDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_UpdateFailHTLCDecodeErrorZ* arg_conv = (LDKCResult_UpdateFailHTLCDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_UpdateFailHTLCDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_UpdateFailHTLCDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21360,7 +21360,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDeco
        LDKCResult_UpdateFailHTLCDecodeErrorZ* orig_conv = (LDKCResult_UpdateFailHTLCDecodeErrorZ*)(orig & ~1);
        LDKCResult_UpdateFailHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailHTLCDecodeErrorZ), "LDKCResult_UpdateFailHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFailHTLCDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalformedHTLCDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21371,7 +21371,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalforme
        o_conv = UpdateFailMalformedHTLC_clone(&o_conv);
        LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ), "LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFailMalformedHTLCDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalformedHTLCDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21382,7 +21382,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalforme
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ), "LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFailMalformedHTLCDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalformedHTLCDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21403,11 +21403,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalformedHT
 static inline uintptr_t CResult_UpdateFailMalformedHTLCDecodeErrorZ_clone_ptr(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ), "LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFailMalformedHTLCDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalformedHTLCDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalformedHTLCDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ* arg_conv = (LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_UpdateFailMalformedHTLCDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_UpdateFailMalformedHTLCDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21415,7 +21415,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalforme
        LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ* orig_conv = (LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ*)(orig & ~1);
        LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ), "LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFailMalformedHTLCDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21426,7 +21426,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErr
        o_conv = UpdateFee_clone(&o_conv);
        LDKCResult_UpdateFeeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFeeDecodeErrorZ), "LDKCResult_UpdateFeeDecodeErrorZ");
        *ret_conv = CResult_UpdateFeeDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21437,7 +21437,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErr
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_UpdateFeeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFeeDecodeErrorZ), "LDKCResult_UpdateFeeDecodeErrorZ");
        *ret_conv = CResult_UpdateFeeDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21458,11 +21458,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErrorZ
 static inline uintptr_t CResult_UpdateFeeDecodeErrorZ_clone_ptr(LDKCResult_UpdateFeeDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_UpdateFeeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFeeDecodeErrorZ), "LDKCResult_UpdateFeeDecodeErrorZ");
        *ret_conv = CResult_UpdateFeeDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_UpdateFeeDecodeErrorZ* arg_conv = (LDKCResult_UpdateFeeDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_UpdateFeeDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_UpdateFeeDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21470,7 +21470,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErr
        LDKCResult_UpdateFeeDecodeErrorZ* orig_conv = (LDKCResult_UpdateFeeDecodeErrorZ*)(orig & ~1);
        LDKCResult_UpdateFeeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFeeDecodeErrorZ), "LDKCResult_UpdateFeeDecodeErrorZ");
        *ret_conv = CResult_UpdateFeeDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21481,7 +21481,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCD
        o_conv = UpdateFulfillHTLC_clone(&o_conv);
        LDKCResult_UpdateFulfillHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFulfillHTLCDecodeErrorZ), "LDKCResult_UpdateFulfillHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFulfillHTLCDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21492,7 +21492,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCD
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_UpdateFulfillHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFulfillHTLCDecodeErrorZ), "LDKCResult_UpdateFulfillHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFulfillHTLCDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21513,11 +21513,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCDeco
 static inline uintptr_t CResult_UpdateFulfillHTLCDecodeErrorZ_clone_ptr(LDKCResult_UpdateFulfillHTLCDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_UpdateFulfillHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFulfillHTLCDecodeErrorZ), "LDKCResult_UpdateFulfillHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFulfillHTLCDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_UpdateFulfillHTLCDecodeErrorZ* arg_conv = (LDKCResult_UpdateFulfillHTLCDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_UpdateFulfillHTLCDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_UpdateFulfillHTLCDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21525,7 +21525,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCD
        LDKCResult_UpdateFulfillHTLCDecodeErrorZ* orig_conv = (LDKCResult_UpdateFulfillHTLCDecodeErrorZ*)(orig & ~1);
        LDKCResult_UpdateFulfillHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFulfillHTLCDecodeErrorZ), "LDKCResult_UpdateFulfillHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateFulfillHTLCDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21536,7 +21536,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecod
        o_conv = UpdateAddHTLC_clone(&o_conv);
        LDKCResult_UpdateAddHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateAddHTLCDecodeErrorZ), "LDKCResult_UpdateAddHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateAddHTLCDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21547,7 +21547,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecod
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_UpdateAddHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateAddHTLCDecodeErrorZ), "LDKCResult_UpdateAddHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateAddHTLCDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21568,11 +21568,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecodeEr
 static inline uintptr_t CResult_UpdateAddHTLCDecodeErrorZ_clone_ptr(LDKCResult_UpdateAddHTLCDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_UpdateAddHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateAddHTLCDecodeErrorZ), "LDKCResult_UpdateAddHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateAddHTLCDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_UpdateAddHTLCDecodeErrorZ* arg_conv = (LDKCResult_UpdateAddHTLCDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_UpdateAddHTLCDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_UpdateAddHTLCDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21580,7 +21580,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecod
        LDKCResult_UpdateAddHTLCDecodeErrorZ* orig_conv = (LDKCResult_UpdateAddHTLCDecodeErrorZ*)(orig & ~1);
        LDKCResult_UpdateAddHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateAddHTLCDecodeErrorZ), "LDKCResult_UpdateAddHTLCDecodeErrorZ");
        *ret_conv = CResult_UpdateAddHTLCDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21591,7 +21591,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1
        o_conv = Ping_clone(&o_conv);
        LDKCResult_PingDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PingDecodeErrorZ), "LDKCResult_PingDecodeErrorZ");
        *ret_conv = CResult_PingDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21602,7 +21602,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_PingDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PingDecodeErrorZ), "LDKCResult_PingDecodeErrorZ");
        *ret_conv = CResult_PingDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21623,11 +21623,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1fre
 static inline uintptr_t CResult_PingDecodeErrorZ_clone_ptr(LDKCResult_PingDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_PingDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PingDecodeErrorZ), "LDKCResult_PingDecodeErrorZ");
        *ret_conv = CResult_PingDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PingDecodeErrorZ* arg_conv = (LDKCResult_PingDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PingDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PingDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21635,7 +21635,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1
        LDKCResult_PingDecodeErrorZ* orig_conv = (LDKCResult_PingDecodeErrorZ*)(orig & ~1);
        LDKCResult_PingDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PingDecodeErrorZ), "LDKCResult_PingDecodeErrorZ");
        *ret_conv = CResult_PingDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21646,7 +21646,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1
        o_conv = Pong_clone(&o_conv);
        LDKCResult_PongDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PongDecodeErrorZ), "LDKCResult_PongDecodeErrorZ");
        *ret_conv = CResult_PongDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21657,7 +21657,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_PongDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PongDecodeErrorZ), "LDKCResult_PongDecodeErrorZ");
        *ret_conv = CResult_PongDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21678,11 +21678,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1fre
 static inline uintptr_t CResult_PongDecodeErrorZ_clone_ptr(LDKCResult_PongDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_PongDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PongDecodeErrorZ), "LDKCResult_PongDecodeErrorZ");
        *ret_conv = CResult_PongDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_PongDecodeErrorZ* arg_conv = (LDKCResult_PongDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_PongDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_PongDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21690,7 +21690,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1
        LDKCResult_PongDecodeErrorZ* orig_conv = (LDKCResult_PongDecodeErrorZ*)(orig & ~1);
        LDKCResult_PongDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PongDecodeErrorZ), "LDKCResult_PongDecodeErrorZ");
        *ret_conv = CResult_PongDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnnouncementDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21701,7 +21701,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnn
        o_conv = UnsignedChannelAnnouncement_clone(&o_conv);
        LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ), "LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ");
        *ret_conv = CResult_UnsignedChannelAnnouncementDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnnouncementDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21712,7 +21712,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnn
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ), "LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ");
        *ret_conv = CResult_UnsignedChannelAnnouncementDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnnouncementDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21733,11 +21733,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnnoun
 static inline uintptr_t CResult_UnsignedChannelAnnouncementDecodeErrorZ_clone_ptr(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ), "LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ");
        *ret_conv = CResult_UnsignedChannelAnnouncementDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnnouncementDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnnouncementDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ* arg_conv = (LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_UnsignedChannelAnnouncementDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_UnsignedChannelAnnouncementDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21745,7 +21745,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnn
        LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ* orig_conv = (LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ*)(orig & ~1);
        LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ), "LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ");
        *ret_conv = CResult_UnsignedChannelAnnouncementDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncementDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21756,7 +21756,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncemen
        o_conv = ChannelAnnouncement_clone(&o_conv);
        LDKCResult_ChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelAnnouncementDecodeErrorZ), "LDKCResult_ChannelAnnouncementDecodeErrorZ");
        *ret_conv = CResult_ChannelAnnouncementDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncementDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21767,7 +21767,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncemen
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelAnnouncementDecodeErrorZ), "LDKCResult_ChannelAnnouncementDecodeErrorZ");
        *ret_conv = CResult_ChannelAnnouncementDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncementDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21788,11 +21788,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncementDe
 static inline uintptr_t CResult_ChannelAnnouncementDecodeErrorZ_clone_ptr(LDKCResult_ChannelAnnouncementDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelAnnouncementDecodeErrorZ), "LDKCResult_ChannelAnnouncementDecodeErrorZ");
        *ret_conv = CResult_ChannelAnnouncementDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncementDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncementDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelAnnouncementDecodeErrorZ* arg_conv = (LDKCResult_ChannelAnnouncementDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelAnnouncementDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelAnnouncementDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21800,7 +21800,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncemen
        LDKCResult_ChannelAnnouncementDecodeErrorZ* orig_conv = (LDKCResult_ChannelAnnouncementDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelAnnouncementDecodeErrorZ), "LDKCResult_ChannelAnnouncementDecodeErrorZ");
        *ret_conv = CResult_ChannelAnnouncementDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpdateDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21811,7 +21811,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpd
        o_conv = UnsignedChannelUpdate_clone(&o_conv);
        LDKCResult_UnsignedChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelUpdateDecodeErrorZ), "LDKCResult_UnsignedChannelUpdateDecodeErrorZ");
        *ret_conv = CResult_UnsignedChannelUpdateDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpdateDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21822,7 +21822,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpd
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_UnsignedChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelUpdateDecodeErrorZ), "LDKCResult_UnsignedChannelUpdateDecodeErrorZ");
        *ret_conv = CResult_UnsignedChannelUpdateDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpdateDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21843,11 +21843,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpdate
 static inline uintptr_t CResult_UnsignedChannelUpdateDecodeErrorZ_clone_ptr(LDKCResult_UnsignedChannelUpdateDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_UnsignedChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelUpdateDecodeErrorZ), "LDKCResult_UnsignedChannelUpdateDecodeErrorZ");
        *ret_conv = CResult_UnsignedChannelUpdateDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpdateDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpdateDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_UnsignedChannelUpdateDecodeErrorZ* arg_conv = (LDKCResult_UnsignedChannelUpdateDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_UnsignedChannelUpdateDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_UnsignedChannelUpdateDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21855,7 +21855,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpd
        LDKCResult_UnsignedChannelUpdateDecodeErrorZ* orig_conv = (LDKCResult_UnsignedChannelUpdateDecodeErrorZ*)(orig & ~1);
        LDKCResult_UnsignedChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelUpdateDecodeErrorZ), "LDKCResult_UnsignedChannelUpdateDecodeErrorZ");
        *ret_conv = CResult_UnsignedChannelUpdateDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21866,7 +21866,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecod
        o_conv = ChannelUpdate_clone(&o_conv);
        LDKCResult_ChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateDecodeErrorZ), "LDKCResult_ChannelUpdateDecodeErrorZ");
        *ret_conv = CResult_ChannelUpdateDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21877,7 +21877,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecod
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateDecodeErrorZ), "LDKCResult_ChannelUpdateDecodeErrorZ");
        *ret_conv = CResult_ChannelUpdateDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21898,11 +21898,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecodeEr
 static inline uintptr_t CResult_ChannelUpdateDecodeErrorZ_clone_ptr(LDKCResult_ChannelUpdateDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateDecodeErrorZ), "LDKCResult_ChannelUpdateDecodeErrorZ");
        *ret_conv = CResult_ChannelUpdateDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ChannelUpdateDecodeErrorZ* arg_conv = (LDKCResult_ChannelUpdateDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ChannelUpdateDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ChannelUpdateDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21910,7 +21910,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecod
        LDKCResult_ChannelUpdateDecodeErrorZ* orig_conv = (LDKCResult_ChannelUpdateDecodeErrorZ*)(orig & ~1);
        LDKCResult_ChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateDecodeErrorZ), "LDKCResult_ChannelUpdateDecodeErrorZ");
        *ret_conv = CResult_ChannelUpdateDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21921,7 +21921,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecode
        o_conv = ErrorMessage_clone(&o_conv);
        LDKCResult_ErrorMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ErrorMessageDecodeErrorZ), "LDKCResult_ErrorMessageDecodeErrorZ");
        *ret_conv = CResult_ErrorMessageDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21932,7 +21932,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecode
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ErrorMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ErrorMessageDecodeErrorZ), "LDKCResult_ErrorMessageDecodeErrorZ");
        *ret_conv = CResult_ErrorMessageDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21953,11 +21953,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecodeErr
 static inline uintptr_t CResult_ErrorMessageDecodeErrorZ_clone_ptr(LDKCResult_ErrorMessageDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ErrorMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ErrorMessageDecodeErrorZ), "LDKCResult_ErrorMessageDecodeErrorZ");
        *ret_conv = CResult_ErrorMessageDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ErrorMessageDecodeErrorZ* arg_conv = (LDKCResult_ErrorMessageDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ErrorMessageDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ErrorMessageDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -21965,7 +21965,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecode
        LDKCResult_ErrorMessageDecodeErrorZ* orig_conv = (LDKCResult_ErrorMessageDecodeErrorZ*)(orig & ~1);
        LDKCResult_ErrorMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ErrorMessageDecodeErrorZ), "LDKCResult_ErrorMessageDecodeErrorZ");
        *ret_conv = CResult_ErrorMessageDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -21976,7 +21976,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDeco
        o_conv = WarningMessage_clone(&o_conv);
        LDKCResult_WarningMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_WarningMessageDecodeErrorZ), "LDKCResult_WarningMessageDecodeErrorZ");
        *ret_conv = CResult_WarningMessageDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -21987,7 +21987,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDeco
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_WarningMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_WarningMessageDecodeErrorZ), "LDKCResult_WarningMessageDecodeErrorZ");
        *ret_conv = CResult_WarningMessageDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22008,11 +22008,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDecodeE
 static inline uintptr_t CResult_WarningMessageDecodeErrorZ_clone_ptr(LDKCResult_WarningMessageDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_WarningMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_WarningMessageDecodeErrorZ), "LDKCResult_WarningMessageDecodeErrorZ");
        *ret_conv = CResult_WarningMessageDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_WarningMessageDecodeErrorZ* arg_conv = (LDKCResult_WarningMessageDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_WarningMessageDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_WarningMessageDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22020,7 +22020,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1WarningMessageDeco
        LDKCResult_WarningMessageDecodeErrorZ* orig_conv = (LDKCResult_WarningMessageDecodeErrorZ*)(orig & ~1);
        LDKCResult_WarningMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_WarningMessageDecodeErrorZ), "LDKCResult_WarningMessageDecodeErrorZ");
        *ret_conv = CResult_WarningMessageDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnouncementDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22031,7 +22031,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnoun
        o_conv = UnsignedNodeAnnouncement_clone(&o_conv);
        LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ), "LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ");
        *ret_conv = CResult_UnsignedNodeAnnouncementDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnouncementDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -22042,7 +22042,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnoun
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ), "LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ");
        *ret_conv = CResult_UnsignedNodeAnnouncementDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnouncementDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22063,11 +22063,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnouncem
 static inline uintptr_t CResult_UnsignedNodeAnnouncementDecodeErrorZ_clone_ptr(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ), "LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ");
        *ret_conv = CResult_UnsignedNodeAnnouncementDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnouncementDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnouncementDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ* arg_conv = (LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_UnsignedNodeAnnouncementDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_UnsignedNodeAnnouncementDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22075,7 +22075,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnoun
        LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ* orig_conv = (LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ*)(orig & ~1);
        LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ), "LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ");
        *ret_conv = CResult_UnsignedNodeAnnouncementDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22086,7 +22086,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDe
        o_conv = NodeAnnouncement_clone(&o_conv);
        LDKCResult_NodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementDecodeErrorZ), "LDKCResult_NodeAnnouncementDecodeErrorZ");
        *ret_conv = CResult_NodeAnnouncementDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -22097,7 +22097,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDe
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_NodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementDecodeErrorZ), "LDKCResult_NodeAnnouncementDecodeErrorZ");
        *ret_conv = CResult_NodeAnnouncementDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22118,11 +22118,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDecod
 static inline uintptr_t CResult_NodeAnnouncementDecodeErrorZ_clone_ptr(LDKCResult_NodeAnnouncementDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_NodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementDecodeErrorZ), "LDKCResult_NodeAnnouncementDecodeErrorZ");
        *ret_conv = CResult_NodeAnnouncementDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_NodeAnnouncementDecodeErrorZ* arg_conv = (LDKCResult_NodeAnnouncementDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_NodeAnnouncementDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_NodeAnnouncementDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22130,7 +22130,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDe
        LDKCResult_NodeAnnouncementDecodeErrorZ* orig_conv = (LDKCResult_NodeAnnouncementDecodeErrorZ*)(orig & ~1);
        LDKCResult_NodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementDecodeErrorZ), "LDKCResult_NodeAnnouncementDecodeErrorZ");
        *ret_conv = CResult_NodeAnnouncementDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelIdsDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22141,7 +22141,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelI
        o_conv = QueryShortChannelIds_clone(&o_conv);
        LDKCResult_QueryShortChannelIdsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryShortChannelIdsDecodeErrorZ), "LDKCResult_QueryShortChannelIdsDecodeErrorZ");
        *ret_conv = CResult_QueryShortChannelIdsDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelIdsDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -22152,7 +22152,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelI
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_QueryShortChannelIdsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryShortChannelIdsDecodeErrorZ), "LDKCResult_QueryShortChannelIdsDecodeErrorZ");
        *ret_conv = CResult_QueryShortChannelIdsDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelIdsDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22173,11 +22173,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelIdsD
 static inline uintptr_t CResult_QueryShortChannelIdsDecodeErrorZ_clone_ptr(LDKCResult_QueryShortChannelIdsDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_QueryShortChannelIdsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryShortChannelIdsDecodeErrorZ), "LDKCResult_QueryShortChannelIdsDecodeErrorZ");
        *ret_conv = CResult_QueryShortChannelIdsDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelIdsDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelIdsDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_QueryShortChannelIdsDecodeErrorZ* arg_conv = (LDKCResult_QueryShortChannelIdsDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_QueryShortChannelIdsDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_QueryShortChannelIdsDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22185,7 +22185,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelI
        LDKCResult_QueryShortChannelIdsDecodeErrorZ* orig_conv = (LDKCResult_QueryShortChannelIdsDecodeErrorZ*)(orig & ~1);
        LDKCResult_QueryShortChannelIdsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryShortChannelIdsDecodeErrorZ), "LDKCResult_QueryShortChannelIdsDecodeErrorZ");
        *ret_conv = CResult_QueryShortChannelIdsDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelIdsEndDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22196,7 +22196,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelI
        o_conv = ReplyShortChannelIdsEnd_clone(&o_conv);
        LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ), "LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ");
        *ret_conv = CResult_ReplyShortChannelIdsEndDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelIdsEndDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -22207,7 +22207,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelI
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ), "LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ");
        *ret_conv = CResult_ReplyShortChannelIdsEndDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelIdsEndDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22228,11 +22228,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelIdsE
 static inline uintptr_t CResult_ReplyShortChannelIdsEndDecodeErrorZ_clone_ptr(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ), "LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ");
        *ret_conv = CResult_ReplyShortChannelIdsEndDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelIdsEndDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelIdsEndDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ* arg_conv = (LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ReplyShortChannelIdsEndDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ReplyShortChannelIdsEndDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22240,7 +22240,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelI
        LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ* orig_conv = (LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ*)(orig & ~1);
        LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ), "LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ");
        *ret_conv = CResult_ReplyShortChannelIdsEndDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22251,7 +22251,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeD
        o_conv = QueryChannelRange_clone(&o_conv);
        LDKCResult_QueryChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryChannelRangeDecodeErrorZ), "LDKCResult_QueryChannelRangeDecodeErrorZ");
        *ret_conv = CResult_QueryChannelRangeDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -22262,7 +22262,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeD
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_QueryChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryChannelRangeDecodeErrorZ), "LDKCResult_QueryChannelRangeDecodeErrorZ");
        *ret_conv = CResult_QueryChannelRangeDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22283,11 +22283,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeDeco
 static inline uintptr_t CResult_QueryChannelRangeDecodeErrorZ_clone_ptr(LDKCResult_QueryChannelRangeDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_QueryChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryChannelRangeDecodeErrorZ), "LDKCResult_QueryChannelRangeDecodeErrorZ");
        *ret_conv = CResult_QueryChannelRangeDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_QueryChannelRangeDecodeErrorZ* arg_conv = (LDKCResult_QueryChannelRangeDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_QueryChannelRangeDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_QueryChannelRangeDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22295,7 +22295,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeD
        LDKCResult_QueryChannelRangeDecodeErrorZ* orig_conv = (LDKCResult_QueryChannelRangeDecodeErrorZ*)(orig & ~1);
        LDKCResult_QueryChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryChannelRangeDecodeErrorZ), "LDKCResult_QueryChannelRangeDecodeErrorZ");
        *ret_conv = CResult_QueryChannelRangeDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22306,7 +22306,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeD
        o_conv = ReplyChannelRange_clone(&o_conv);
        LDKCResult_ReplyChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyChannelRangeDecodeErrorZ), "LDKCResult_ReplyChannelRangeDecodeErrorZ");
        *ret_conv = CResult_ReplyChannelRangeDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -22317,7 +22317,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeD
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_ReplyChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyChannelRangeDecodeErrorZ), "LDKCResult_ReplyChannelRangeDecodeErrorZ");
        *ret_conv = CResult_ReplyChannelRangeDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22338,11 +22338,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeDeco
 static inline uintptr_t CResult_ReplyChannelRangeDecodeErrorZ_clone_ptr(LDKCResult_ReplyChannelRangeDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_ReplyChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyChannelRangeDecodeErrorZ), "LDKCResult_ReplyChannelRangeDecodeErrorZ");
        *ret_conv = CResult_ReplyChannelRangeDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_ReplyChannelRangeDecodeErrorZ* arg_conv = (LDKCResult_ReplyChannelRangeDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_ReplyChannelRangeDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_ReplyChannelRangeDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22350,7 +22350,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeD
        LDKCResult_ReplyChannelRangeDecodeErrorZ* orig_conv = (LDKCResult_ReplyChannelRangeDecodeErrorZ*)(orig & ~1);
        LDKCResult_ReplyChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyChannelRangeDecodeErrorZ), "LDKCResult_ReplyChannelRangeDecodeErrorZ");
        *ret_conv = CResult_ReplyChannelRangeDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFilterDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22361,7 +22361,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFil
        o_conv = GossipTimestampFilter_clone(&o_conv);
        LDKCResult_GossipTimestampFilterDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_GossipTimestampFilterDecodeErrorZ), "LDKCResult_GossipTimestampFilterDecodeErrorZ");
        *ret_conv = CResult_GossipTimestampFilterDecodeErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFilterDecodeErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -22372,7 +22372,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFil
        e_conv = DecodeError_clone(&e_conv);
        LDKCResult_GossipTimestampFilterDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_GossipTimestampFilterDecodeErrorZ), "LDKCResult_GossipTimestampFilterDecodeErrorZ");
        *ret_conv = CResult_GossipTimestampFilterDecodeErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFilterDecodeErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22393,11 +22393,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFilter
 static inline uintptr_t CResult_GossipTimestampFilterDecodeErrorZ_clone_ptr(LDKCResult_GossipTimestampFilterDecodeErrorZ *NONNULL_PTR arg) {
        LDKCResult_GossipTimestampFilterDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_GossipTimestampFilterDecodeErrorZ), "LDKCResult_GossipTimestampFilterDecodeErrorZ");
        *ret_conv = CResult_GossipTimestampFilterDecodeErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFilterDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFilterDecodeErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_GossipTimestampFilterDecodeErrorZ* arg_conv = (LDKCResult_GossipTimestampFilterDecodeErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_GossipTimestampFilterDecodeErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_GossipTimestampFilterDecodeErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22405,7 +22405,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFil
        LDKCResult_GossipTimestampFilterDecodeErrorZ* orig_conv = (LDKCResult_GossipTimestampFilterDecodeErrorZ*)(orig & ~1);
        LDKCResult_GossipTimestampFilterDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_GossipTimestampFilterDecodeErrorZ), "LDKCResult_GossipTimestampFilterDecodeErrorZ");
        *ret_conv = CResult_GossipTimestampFilterDecodeErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1PhantomRouteHintsZ_1free(JNIEnv *env, jclass clz, int64_tArray _res) {
@@ -22436,7 +22436,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreat
        o_conv = Invoice_clone(&o_conv);
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
        *ret_conv = CResult_InvoiceSignOrCreationErrorZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreationErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
@@ -22446,7 +22446,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreat
        e_conv = SignOrCreationError_clone((LDKSignOrCreationError*)(((uintptr_t)e) & ~1));
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
        *ret_conv = CResult_InvoiceSignOrCreationErrorZ_err(e_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreationErrorZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22467,11 +22467,11 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreation
 static inline uintptr_t CResult_InvoiceSignOrCreationErrorZ_clone_ptr(LDKCResult_InvoiceSignOrCreationErrorZ *NONNULL_PTR arg) {
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
        *ret_conv = CResult_InvoiceSignOrCreationErrorZ_clone(arg);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreationErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreationErrorZ_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_InvoiceSignOrCreationErrorZ* arg_conv = (LDKCResult_InvoiceSignOrCreationErrorZ*)(arg & ~1);
-       intptr_t ret_val = CResult_InvoiceSignOrCreationErrorZ_clone_ptr(arg_conv);
+       int64_t ret_val = CResult_InvoiceSignOrCreationErrorZ_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22479,7 +22479,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreat
        LDKCResult_InvoiceSignOrCreationErrorZ* orig_conv = (LDKCResult_InvoiceSignOrCreationErrorZ*)(orig & ~1);
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
        *ret_conv = CResult_InvoiceSignOrCreationErrorZ_clone(orig_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1FilterZ_1some(JNIEnv *env, jclass clz, int64_t o) {
@@ -22492,14 +22492,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1FilterZ_1some(JNIE
        }
        LDKCOption_FilterZ *ret_copy = MALLOC(sizeof(LDKCOption_FilterZ), "LDKCOption_FilterZ");
        *ret_copy = COption_FilterZ_some(o_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1FilterZ_1none(JNIEnv *env, jclass clz) {
        LDKCOption_FilterZ *ret_copy = MALLOC(sizeof(LDKCOption_FilterZ), "LDKCOption_FilterZ");
        *ret_copy = COption_FilterZ_none();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22520,13 +22520,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1LockedChannelMonit
        // WARNING: we need a move here but no clone is available for LDKLockedChannelMonitor
        LDKCResult_LockedChannelMonitorNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_LockedChannelMonitorNoneZ), "LDKCResult_LockedChannelMonitorNoneZ");
        *ret_conv = CResult_LockedChannelMonitorNoneZ_ok(o_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1LockedChannelMonitorNoneZ_1err(JNIEnv *env, jclass clz) {
        LDKCResult_LockedChannelMonitorNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_LockedChannelMonitorNoneZ), "LDKCResult_LockedChannelMonitorNoneZ");
        *ret_conv = CResult_LockedChannelMonitorNoneZ_err();
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CResult_1LockedChannelMonitorNoneZ_1is_1ok(JNIEnv *env, jclass clz, int64_t o) {
@@ -22576,12 +22576,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PaymentPurpose_1free(JNIEnv *e
 static inline uintptr_t PaymentPurpose_clone_ptr(LDKPaymentPurpose *NONNULL_PTR arg) {
        LDKPaymentPurpose *ret_copy = MALLOC(sizeof(LDKPaymentPurpose), "LDKPaymentPurpose");
        *ret_copy = PaymentPurpose_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_PaymentPurpose_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentPurpose_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPaymentPurpose* arg_conv = (LDKPaymentPurpose*)arg;
-       intptr_t ret_val = PaymentPurpose_clone_ptr(arg_conv);
+       int64_t ret_val = PaymentPurpose_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22589,7 +22589,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentPurpose_1clone(JNIEn
        LDKPaymentPurpose* orig_conv = (LDKPaymentPurpose*)orig;
        LDKPaymentPurpose *ret_copy = MALLOC(sizeof(LDKPaymentPurpose), "LDKPaymentPurpose");
        *ret_copy = PaymentPurpose_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22602,7 +22602,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentPurpose_1invoice_1pa
        (*env)->GetByteArrayRegion(env, payment_secret, 0, 32, payment_secret_ref.data);
        LDKPaymentPurpose *ret_copy = MALLOC(sizeof(LDKPaymentPurpose), "LDKPaymentPurpose");
        *ret_copy = PaymentPurpose_invoice_payment(payment_preimage_ref, payment_secret_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22612,7 +22612,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentPurpose_1spontaneous
        (*env)->GetByteArrayRegion(env, a, 0, 32, a_ref.data);
        LDKPaymentPurpose *ret_copy = MALLOC(sizeof(LDKPaymentPurpose), "LDKPaymentPurpose");
        *ret_copy = PaymentPurpose_spontaneous_payment(a_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22628,12 +22628,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ClosureReason_1free(JNIEnv *en
 static inline uintptr_t ClosureReason_clone_ptr(LDKClosureReason *NONNULL_PTR arg) {
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKClosureReason* arg_conv = (LDKClosureReason*)arg;
-       intptr_t ret_val = ClosureReason_clone_ptr(arg_conv);
+       int64_t ret_val = ClosureReason_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22641,7 +22641,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1clone(JNIEnv
        LDKClosureReason* orig_conv = (LDKClosureReason*)orig;
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22649,35 +22649,35 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1counterparty
        LDKStr peer_msg_conv = java_to_owned_str(env, peer_msg);
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_counterparty_force_closed(peer_msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1holder_1force_1closed(JNIEnv *env, jclass clz) {
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_holder_force_closed();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1cooperative_1closure(JNIEnv *env, jclass clz) {
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_cooperative_closure();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1commitment_1tx_1confirmed(JNIEnv *env, jclass clz) {
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_commitment_tx_confirmed();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1funding_1timed_1out(JNIEnv *env, jclass clz) {
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_funding_timed_out();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22685,21 +22685,21 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1processing_1
        LDKStr err_conv = java_to_owned_str(env, err);
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_processing_error(err_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1disconnected_1peer(JNIEnv *env, jclass clz) {
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_disconnected_peer();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1outdated_1channel_1manager(JNIEnv *env, jclass clz) {
        LDKClosureReason *ret_copy = MALLOC(sizeof(LDKClosureReason), "LDKClosureReason");
        *ret_copy = ClosureReason_outdated_channel_manager();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22719,7 +22719,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosureReason_1read(JNIEnv
        LDKCResult_COption_ClosureReasonZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_ClosureReasonZDecodeErrorZ), "LDKCResult_COption_ClosureReasonZDecodeErrorZ");
        *ret_conv = ClosureReason_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Event_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -22734,12 +22734,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Event_1free(JNIEnv *env, jclas
 static inline uintptr_t Event_clone_ptr(LDKEvent *NONNULL_PTR arg) {
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Event_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKEvent* arg_conv = (LDKEvent*)arg;
-       intptr_t ret_val = Event_clone_ptr(arg_conv);
+       int64_t ret_val = Event_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -22747,7 +22747,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1clone(JNIEnv *env, j
        LDKEvent* orig_conv = (LDKEvent*)orig;
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22761,7 +22761,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1funding_1generation_
        (*env)->GetByteArrayRegion(env, output_script, 0, output_script_ref.datalen, output_script_ref.data);
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_funding_generation_ready(temporary_channel_id_ref, channel_value_satoshis, output_script_ref, user_channel_id);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22775,7 +22775,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1received(JN
        purpose_conv = PaymentPurpose_clone((LDKPaymentPurpose*)(((uintptr_t)purpose) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_received(payment_hash_ref, amt, purpose_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22795,7 +22795,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1sent(JNIEnv
        fee_paid_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uintptr_t)fee_paid_msat) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_sent(payment_id_ref, payment_preimage_ref, payment_hash_ref, fee_paid_msat_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22838,7 +22838,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1path_1faile
        retry_conv = RouteParameters_clone(&retry_conv);
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_path_failed(payment_id_ref, payment_hash_ref, rejected_by_dest, network_update_conv, all_paths_failed, path_constr, short_channel_id_conv, retry_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22851,14 +22851,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1failed(JNIE
        (*env)->GetByteArrayRegion(env, payment_hash, 0, 32, payment_hash_ref.data);
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_failed(payment_id_ref, payment_hash_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1pending_1htlcs_1forwardable(JNIEnv *env, jclass clz, int64_t time_forwardable) {
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_pending_htlcs_forwardable(time_forwardable);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22881,7 +22881,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1spendable_1outputs(J
        (*env)->ReleaseLongArrayElements(env, outputs, outputs_vals, 0);
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_spendable_outputs(outputs_constr);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22892,7 +22892,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1forwarded(J
        fee_earned_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uintptr_t)fee_earned_msat) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_forwarded(fee_earned_msat_conv, claim_from_onchain_tx);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22906,7 +22906,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1channel_1closed(JNIE
        reason_conv = ClosureReason_clone((LDKClosureReason*)(((uintptr_t)reason) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_channel_closed(channel_id_ref, user_channel_id, reason_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22921,7 +22921,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1discard_1funding(JNI
        transaction_ref.data_is_owned = true;
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_discard_funding(channel_id_ref, transaction_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22951,7 +22951,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1path_1succe
        (*env)->ReleaseLongArrayElements(env, path, path_vals, 0);
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_path_successful(payment_id_ref, payment_hash_ref, path_constr);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22964,7 +22964,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1open_1channel_1reque
        (*env)->GetByteArrayRegion(env, counterparty_node_id, 0, 33, counterparty_node_id_ref.compressed_form);
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_open_channel_request(temporary_channel_id_ref, counterparty_node_id_ref, funding_satoshis, push_msat);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -22984,7 +22984,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1read(JNIEnv *env, jc
        LDKCResult_COption_EventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_EventZDecodeErrorZ), "LDKCResult_COption_EventZDecodeErrorZ");
        *ret_conv = Event_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -22999,12 +22999,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1free(JNIEnv
 static inline uintptr_t MessageSendEvent_clone_ptr(LDKMessageSendEvent *NONNULL_PTR arg) {
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKMessageSendEvent* arg_conv = (LDKMessageSendEvent*)arg;
-       intptr_t ret_val = MessageSendEvent_clone_ptr(arg_conv);
+       int64_t ret_val = MessageSendEvent_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -23012,7 +23012,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1clone(JNI
        LDKMessageSendEvent* orig_conv = (LDKMessageSendEvent*)orig;
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23027,7 +23027,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1acc
        msg_conv = AcceptChannel_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_accept_channel(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23042,7 +23042,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1ope
        msg_conv = OpenChannel_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_open_channel(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23057,7 +23057,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1fun
        msg_conv = FundingCreated_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_funding_created(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23072,7 +23072,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1fun
        msg_conv = FundingSigned_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_funding_signed(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23087,7 +23087,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1fun
        msg_conv = FundingLocked_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_funding_locked(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23102,7 +23102,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1ann
        msg_conv = AnnouncementSignatures_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_announcement_signatures(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23117,7 +23117,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1update_1h
        updates_conv = CommitmentUpdate_clone(&updates_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_update_htlcs(node_id_ref, updates_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23132,7 +23132,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1rev
        msg_conv = RevokeAndACK_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_revoke_and_ack(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23147,7 +23147,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1clo
        msg_conv = ClosingSigned_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_closing_signed(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23162,7 +23162,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1shu
        msg_conv = Shutdown_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_shutdown(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23177,7 +23177,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1cha
        msg_conv = ChannelReestablish_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_channel_reestablish(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23194,7 +23194,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1broadcast
        update_msg_conv = ChannelUpdate_clone(&update_msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_broadcast_channel_announcement(msg_conv, update_msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23206,7 +23206,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1broadcast
        msg_conv = NodeAnnouncement_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_broadcast_node_announcement(msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23218,7 +23218,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1broadcast
        msg_conv = ChannelUpdate_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_broadcast_channel_update(msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23233,7 +23233,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1cha
        msg_conv = ChannelUpdate_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_channel_update(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23247,7 +23247,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1handle_1e
        action_conv = ErrorAction_clone((LDKErrorAction*)(((uintptr_t)action) & ~1));
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_handle_error(node_id_ref, action_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23262,7 +23262,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1cha
        msg_conv = QueryChannelRange_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_channel_range_query(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23277,7 +23277,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1sho
        msg_conv = QueryShortChannelIds_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_short_ids_query(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23292,7 +23292,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1rep
        msg_conv = ReplyChannelRange_clone(&msg_conv);
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_send_reply_channel_range(node_id_ref, msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23335,12 +23335,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_APIError_1free(JNIEnv *env, jc
 static inline uintptr_t APIError_clone_ptr(LDKAPIError *NONNULL_PTR arg) {
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = APIError_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_APIError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKAPIError* arg_conv = (LDKAPIError*)arg;
-       intptr_t ret_val = APIError_clone_ptr(arg_conv);
+       int64_t ret_val = APIError_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -23348,7 +23348,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1clone(JNIEnv *env
        LDKAPIError* orig_conv = (LDKAPIError*)orig;
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = APIError_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23356,7 +23356,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1apimisuse_1error(
        LDKStr err_conv = java_to_owned_str(env, err);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = APIError_apimisuse_error(err_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23364,7 +23364,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1fee_1rate_1too_1h
        LDKStr err_conv = java_to_owned_str(env, err);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = APIError_fee_rate_too_high(err_conv, feerate);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23372,7 +23372,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1route_1error(JNIE
        LDKStr err_conv = java_to_owned_str(env, err);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = APIError_route_error(err_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23380,14 +23380,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1channel_1unavaila
        LDKStr err_conv = java_to_owned_str(env, err);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = APIError_channel_unavailable(err_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1monitor_1update_1failed(JNIEnv *env, jclass clz) {
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = APIError_monitor_update_failed();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23399,7 +23399,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1incompatible_1shu
        script_conv = ShutdownScript_clone(&script_conv);
        LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
        *ret_copy = APIError_incompatible_shutdown_script(script_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -23414,7 +23414,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_sign(JNIEnv *env, jclass cl
        LDKCResult_StringErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_StringErrorZ), "LDKCResult_StringErrorZ");
        *ret_conv = sign(msg_ref, sk_ref);
        (*env)->ReleaseByteArrayElements(env, msg, (int8_t*)msg_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_recover_1pk(JNIEnv *env, jclass clz, int8_tArray msg, jstring sig) {
@@ -23425,7 +23425,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_recover_1pk(JNIEnv *env, jc
        LDKCResult_PublicKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PublicKeyErrorZ), "LDKCResult_PublicKeyErrorZ");
        *ret_conv = recover_pk(msg_ref, sig_conv);
        (*env)->ReleaseByteArrayElements(env, msg, (int8_t*)msg_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_verify(JNIEnv *env, jclass clz, int8_tArray msg, jstring sig, int8_tArray pk) {
@@ -23625,7 +23625,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Record_1set_1line(JNIEnv *env,
 
 static inline uintptr_t Record_clone_ptr(LDKRecord *NONNULL_PTR arg) {
        LDKRecord ret_var = Record_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -23635,12 +23635,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Record_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Record_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRecord arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = Record_clone_ptr(&arg_conv);
+       int64_t ret_val = Record_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -23650,7 +23650,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Record_1clone(JNIEnv *env,
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRecord ret_var = Record_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -23731,7 +23731,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeConfig_1set_1o
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeConfig_1new(JNIEnv *env, jclass clz, int32_t minimum_depth_arg, int16_t our_to_self_delay_arg, int64_t our_htlc_minimum_msat_arg) {
        LDKChannelHandshakeConfig ret_var = ChannelHandshakeConfig_new(minimum_depth_arg, our_to_self_delay_arg, our_htlc_minimum_msat_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -23744,7 +23744,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeConfig_1new
 
 static inline uintptr_t ChannelHandshakeConfig_clone_ptr(LDKChannelHandshakeConfig *NONNULL_PTR arg) {
        LDKChannelHandshakeConfig ret_var = ChannelHandshakeConfig_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -23754,12 +23754,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeConfig_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeConfig_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelHandshakeConfig arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelHandshakeConfig_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelHandshakeConfig_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -23769,7 +23769,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeConfig_1clo
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelHandshakeConfig ret_var = ChannelHandshakeConfig_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -23782,7 +23782,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeConfig_1clo
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeConfig_1default(JNIEnv *env, jclass clz) {
        LDKChannelHandshakeConfig ret_var = ChannelHandshakeConfig_default();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -23939,7 +23939,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeLimits_1set_1t
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeLimits_1new(JNIEnv *env, jclass clz, int64_t min_funding_satoshis_arg, int64_t max_htlc_minimum_msat_arg, int64_t min_max_htlc_value_in_flight_msat_arg, int64_t max_channel_reserve_satoshis_arg, int16_t min_max_accepted_htlcs_arg, int32_t max_minimum_depth_arg, jboolean force_announced_channel_preference_arg, int16_t their_to_self_delay_arg) {
        LDKChannelHandshakeLimits ret_var = ChannelHandshakeLimits_new(min_funding_satoshis_arg, max_htlc_minimum_msat_arg, min_max_htlc_value_in_flight_msat_arg, max_channel_reserve_satoshis_arg, min_max_accepted_htlcs_arg, max_minimum_depth_arg, force_announced_channel_preference_arg, their_to_self_delay_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -23952,7 +23952,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeLimits_1new
 
 static inline uintptr_t ChannelHandshakeLimits_clone_ptr(LDKChannelHandshakeLimits *NONNULL_PTR arg) {
        LDKChannelHandshakeLimits ret_var = ChannelHandshakeLimits_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -23962,12 +23962,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeLimits_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeLimits_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelHandshakeLimits arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelHandshakeLimits_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelHandshakeLimits_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -23977,7 +23977,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeLimits_1clo
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelHandshakeLimits ret_var = ChannelHandshakeLimits_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -23990,7 +23990,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeLimits_1clo
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelHandshakeLimits_1default(JNIEnv *env, jclass clz) {
        LDKChannelHandshakeLimits ret_var = ChannelHandshakeLimits_default();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24130,7 +24130,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelConfig_1set_1force_1clo
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelConfig_1new(JNIEnv *env, jclass clz, int32_t forwarding_fee_proportional_millionths_arg, int32_t forwarding_fee_base_msat_arg, int16_t cltv_expiry_delta_arg, jboolean announced_channel_arg, jboolean commit_upfront_shutdown_pubkey_arg, int64_t max_dust_htlc_exposure_msat_arg, int64_t force_close_avoidance_max_fee_satoshis_arg) {
        LDKChannelConfig ret_var = ChannelConfig_new(forwarding_fee_proportional_millionths_arg, forwarding_fee_base_msat_arg, cltv_expiry_delta_arg, announced_channel_arg, commit_upfront_shutdown_pubkey_arg, max_dust_htlc_exposure_msat_arg, force_close_avoidance_max_fee_satoshis_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24143,7 +24143,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelConfig_1new(JNIEnv *
 
 static inline uintptr_t ChannelConfig_clone_ptr(LDKChannelConfig *NONNULL_PTR arg) {
        LDKChannelConfig ret_var = ChannelConfig_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24153,12 +24153,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelConfig_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelConfig_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelConfig arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelConfig_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelConfig_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -24168,7 +24168,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelConfig_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelConfig ret_var = ChannelConfig_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24181,7 +24181,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelConfig_1clone(JNIEnv
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelConfig_1default(JNIEnv *env, jclass clz) {
        LDKChannelConfig ret_var = ChannelConfig_default();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24211,7 +24211,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelConfig_1read(JNIEnv
        LDKCResult_ChannelConfigDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelConfigDecodeErrorZ), "LDKCResult_ChannelConfigDecodeErrorZ");
        *ret_conv = ChannelConfig_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_UserConfig_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -24228,7 +24228,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1get_1own_1chann
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelHandshakeConfig ret_var = UserConfig_get_own_channel_config(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24258,7 +24258,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1get_1peer_1chan
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelHandshakeLimits ret_var = UserConfig_get_peer_channel_config_limits(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24288,7 +24288,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1get_1channel_1o
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelConfig ret_var = UserConfig_get_channel_options(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24380,7 +24380,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1new(JNIEnv *env
        CHECK_INNER_FIELD_ACCESS_OR_NULL(channel_options_arg_conv);
        channel_options_arg_conv = ChannelConfig_clone(&channel_options_arg_conv);
        LDKUserConfig ret_var = UserConfig_new(own_channel_config_arg_conv, peer_channel_config_limits_arg_conv, channel_options_arg_conv, accept_forwards_to_priv_channels_arg, accept_inbound_channels_arg, manually_accept_inbound_channels_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24393,7 +24393,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1new(JNIEnv *env
 
 static inline uintptr_t UserConfig_clone_ptr(LDKUserConfig *NONNULL_PTR arg) {
        LDKUserConfig ret_var = UserConfig_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24403,12 +24403,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKUserConfig arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = UserConfig_clone_ptr(&arg_conv);
+       int64_t ret_val = UserConfig_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -24418,7 +24418,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1clone(JNIEnv *e
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKUserConfig ret_var = UserConfig_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24431,7 +24431,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1clone(JNIEnv *e
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UserConfig_1default(JNIEnv *env, jclass clz) {
        LDKUserConfig ret_var = UserConfig_default();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24452,7 +24452,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BestBlock_1free(JNIEnv *env, j
 
 static inline uintptr_t BestBlock_clone_ptr(LDKBestBlock *NONNULL_PTR arg) {
        LDKBestBlock ret_var = BestBlock_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24462,12 +24462,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_BestBlock_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BestBlock_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKBestBlock arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = BestBlock_clone_ptr(&arg_conv);
+       int64_t ret_val = BestBlock_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -24477,7 +24477,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BestBlock_1clone(JNIEnv *en
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKBestBlock ret_var = BestBlock_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24491,7 +24491,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BestBlock_1clone(JNIEnv *en
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BestBlock_1from_1genesis(JNIEnv *env, jclass clz, jclass network) {
        LDKNetwork network_conv = LDKNetwork_from_java(env, network);
        LDKBestBlock ret_var = BestBlock_from_genesis(network_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24507,7 +24507,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BestBlock_1new(JNIEnv *env,
        CHECK((*env)->GetArrayLength(env, block_hash) == 32);
        (*env)->GetByteArrayRegion(env, block_hash, 0, 32, block_hash_ref.data);
        LDKBestBlock ret_var = BestBlock_new(block_hash_ref, height);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24649,7 +24649,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WatchedOutput_1get_1outpoin
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKOutPoint ret_var = WatchedOutput_get_outpoint(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24710,7 +24710,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WatchedOutput_1new(JNIEnv *
        script_pubkey_arg_ref.data = MALLOC(script_pubkey_arg_ref.datalen, "LDKCVec_u8Z Bytes");
        (*env)->GetByteArrayRegion(env, script_pubkey_arg, 0, script_pubkey_arg_ref.datalen, script_pubkey_arg_ref.data);
        LDKWatchedOutput ret_var = WatchedOutput_new(block_hash_arg_ref, outpoint_arg_conv, script_pubkey_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24723,7 +24723,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WatchedOutput_1new(JNIEnv *
 
 static inline uintptr_t WatchedOutput_clone_ptr(LDKWatchedOutput *NONNULL_PTR arg) {
        LDKWatchedOutput ret_var = WatchedOutput_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24733,12 +24733,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_WatchedOutput_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WatchedOutput_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKWatchedOutput arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = WatchedOutput_clone_ptr(&arg_conv);
+       int64_t ret_val = WatchedOutput_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -24748,7 +24748,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WatchedOutput_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKWatchedOutput ret_var = WatchedOutput_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24824,7 +24824,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MonitorUpdateId_1free(JNIEnv *
 
 static inline uintptr_t MonitorUpdateId_clone_ptr(LDKMonitorUpdateId *NONNULL_PTR arg) {
        LDKMonitorUpdateId ret_var = MonitorUpdateId_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24834,12 +24834,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_MonitorUpdateId_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorUpdateId_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKMonitorUpdateId arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = MonitorUpdateId_clone_ptr(&arg_conv);
+       int64_t ret_val = MonitorUpdateId_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -24849,7 +24849,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorUpdateId_1clone(JNIE
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKMonitorUpdateId ret_var = MonitorUpdateId_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24948,7 +24948,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1new(JNIEnv *e
                LDKPersist_JCalls_cloned(&persister_conv);
        }
        LDKChainMonitor ret_var = ChainMonitor_new(chain_source_conv, broadcaster_conv, logger_conv, feeest_conv, persister_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -24988,7 +24988,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1get_1cla
        for (size_t j = 0; j < ret_var.datalen; j++) {
                LDKBalance *ret_conv_9_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
                *ret_conv_9_copy = ret_var.data[j];
-               uintptr_t ret_conv_9_ref = (uintptr_t)ret_conv_9_copy;
+               int64_t ret_conv_9_ref = (uintptr_t)ret_conv_9_copy;
                ret_arr_ptr[j] = ret_conv_9_ref;
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
@@ -25008,7 +25008,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1get_1monitor(
        funding_txo_conv = OutPoint_clone(&funding_txo_conv);
        LDKCResult_LockedChannelMonitorNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_LockedChannelMonitorNoneZ), "LDKCResult_LockedChannelMonitorNoneZ");
        *ret_conv = ChainMonitor_get_monitor(&this_arg_conv, funding_txo_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1list_1monitors(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -25022,7 +25022,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1list_1mo
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t k = 0; k < ret_var.datalen; k++) {
                LDKOutPoint ret_conv_10_var = ret_var.data[k];
-               uintptr_t ret_conv_10_ref = 0;
+               int64_t ret_conv_10_ref = 0;
                CHECK((((uintptr_t)ret_conv_10_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_10_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_10_var);
@@ -25054,7 +25054,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1channel_1moni
        completed_update_id_conv = MonitorUpdateId_clone(&completed_update_id_conv);
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = ChainMonitor_channel_monitor_updated(&this_arg_conv, funding_txo_conv, completed_update_id_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1as_1Listen(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -25064,7 +25064,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1as_1Listen(JN
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKListen* ret_ret = MALLOC(sizeof(LDKListen), "LDKListen");
        *ret_ret = ChainMonitor_as_Listen(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1as_1Confirm(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -25074,7 +25074,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1as_1Confirm(J
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKConfirm* ret_ret = MALLOC(sizeof(LDKConfirm), "LDKConfirm");
        *ret_ret = ChainMonitor_as_Confirm(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1as_1Watch(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -25084,7 +25084,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1as_1Watch(JNI
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKWatch* ret_ret = MALLOC(sizeof(LDKWatch), "LDKWatch");
        *ret_ret = ChainMonitor_as_Watch(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1as_1EventsProvider(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -25094,7 +25094,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1as_1EventsPro
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKEventsProvider* ret_ret = MALLOC(sizeof(LDKEventsProvider), "LDKEventsProvider");
        *ret_ret = ChainMonitor_as_EventsProvider(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdate_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -25124,7 +25124,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdate_1set_1upd
 
 static inline uintptr_t ChannelMonitorUpdate_clone_ptr(LDKChannelMonitorUpdate *NONNULL_PTR arg) {
        LDKChannelMonitorUpdate ret_var = ChannelMonitorUpdate_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -25134,12 +25134,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelMonitorUpdate arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelMonitorUpdate_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelMonitorUpdate_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -25149,7 +25149,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdate_1clone
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelMonitorUpdate ret_var = ChannelMonitorUpdate_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -25179,7 +25179,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdate_1read(
        LDKCResult_ChannelMonitorUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelMonitorUpdateDecodeErrorZ), "LDKCResult_ChannelMonitorUpdateDecodeErrorZ");
        *ret_conv = ChannelMonitorUpdate_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -25194,12 +25194,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1free(JNIEnv *env
 static inline uintptr_t MonitorEvent_clone_ptr(LDKMonitorEvent *NONNULL_PTR arg) {
        LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
        *ret_copy = MonitorEvent_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKMonitorEvent* arg_conv = (LDKMonitorEvent*)arg;
-       intptr_t ret_val = MonitorEvent_clone_ptr(arg_conv);
+       int64_t ret_val = MonitorEvent_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -25207,7 +25207,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1clone(JNIEnv
        LDKMonitorEvent* orig_conv = (LDKMonitorEvent*)orig;
        LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
        *ret_copy = MonitorEvent_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -25219,7 +25219,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1htlcevent(JNI
        a_conv = HTLCUpdate_clone(&a_conv);
        LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
        *ret_copy = MonitorEvent_htlcevent(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -25231,7 +25231,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1commitment_1t
        a_conv = OutPoint_clone(&a_conv);
        LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
        *ret_copy = MonitorEvent_commitment_tx_confirmed(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -25243,7 +25243,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1update_1compl
        funding_txo_conv = OutPoint_clone(&funding_txo_conv);
        LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
        *ret_copy = MonitorEvent_update_completed(funding_txo_conv, monitor_update_id);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -25255,7 +25255,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1update_1faile
        a_conv = OutPoint_clone(&a_conv);
        LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
        *ret_copy = MonitorEvent_update_failed(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -25275,7 +25275,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1read(JNIEnv *
        LDKCResult_COption_MonitorEventZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_MonitorEventZDecodeErrorZ), "LDKCResult_COption_MonitorEventZDecodeErrorZ");
        *ret_conv = MonitorEvent_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_HTLCUpdate_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -25288,7 +25288,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_HTLCUpdate_1free(JNIEnv *env,
 
 static inline uintptr_t HTLCUpdate_clone_ptr(LDKHTLCUpdate *NONNULL_PTR arg) {
        LDKHTLCUpdate ret_var = HTLCUpdate_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -25298,12 +25298,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_HTLCUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKHTLCUpdate arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = HTLCUpdate_clone_ptr(&arg_conv);
+       int64_t ret_val = HTLCUpdate_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -25313,7 +25313,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCUpdate_1clone(JNIEnv *e
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKHTLCUpdate ret_var = HTLCUpdate_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -25343,7 +25343,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCUpdate_1read(JNIEnv *en
        LDKCResult_HTLCUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCUpdateDecodeErrorZ), "LDKCResult_HTLCUpdateDecodeErrorZ");
        *ret_conv = HTLCUpdate_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Balance_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -25358,12 +25358,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Balance_1free(JNIEnv *env, jcl
 static inline uintptr_t Balance_clone_ptr(LDKBalance *NONNULL_PTR arg) {
        LDKBalance *ret_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
        *ret_copy = Balance_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Balance_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Balance_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKBalance* arg_conv = (LDKBalance*)arg;
-       intptr_t ret_val = Balance_clone_ptr(arg_conv);
+       int64_t ret_val = Balance_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -25371,35 +25371,35 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Balance_1clone(JNIEnv *env,
        LDKBalance* orig_conv = (LDKBalance*)orig;
        LDKBalance *ret_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
        *ret_copy = Balance_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Balance_1claimable_1on_1channel_1close(JNIEnv *env, jclass clz, int64_t claimable_amount_satoshis) {
        LDKBalance *ret_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
        *ret_copy = Balance_claimable_on_channel_close(claimable_amount_satoshis);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Balance_1claimable_1awaiting_1confirmations(JNIEnv *env, jclass clz, int64_t claimable_amount_satoshis, int32_t confirmation_height) {
        LDKBalance *ret_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
        *ret_copy = Balance_claimable_awaiting_confirmations(claimable_amount_satoshis, confirmation_height);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Balance_1contentious_1claimable(JNIEnv *env, jclass clz, int64_t claimable_amount_satoshis, int32_t timeout_height) {
        LDKBalance *ret_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
        *ret_copy = Balance_contentious_claimable(claimable_amount_satoshis, timeout_height);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Balance_1maybe_1claimable_1htlcawaiting_1timeout(JNIEnv *env, jclass clz, int64_t claimable_amount_satoshis, int32_t claimable_height) {
        LDKBalance *ret_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
        *ret_copy = Balance_maybe_claimable_htlcawaiting_timeout(claimable_amount_satoshis, claimable_height);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -25420,7 +25420,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1free(JNIEnv *e
 
 static inline uintptr_t ChannelMonitor_clone_ptr(LDKChannelMonitor *NONNULL_PTR arg) {
        LDKChannelMonitor ret_var = ChannelMonitor_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -25430,12 +25430,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelMonitor arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelMonitor_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelMonitor_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -25445,7 +25445,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1clone(JNIEn
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelMonitor ret_var = ChannelMonitor_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -25488,7 +25488,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1update_1mon
        LDKLogger* logger_conv = (LDKLogger*)logger_ptr;
        LDKCResult_NoneNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneNoneZ), "LDKCResult_NoneNoneZ");
        *ret_conv = ChannelMonitor_update_monitor(&this_arg_conv, &updates_conv, broadcaster_conv, fee_estimator_conv, logger_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1latest_1update_1id(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -25507,7 +25507,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1fundin
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKC2Tuple_OutPointScriptZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_OutPointScriptZ), "LDKC2Tuple_OutPointScriptZ");
        *ret_conv = ChannelMonitor_get_funding_txo(&this_arg_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1outputs_1to_1watch(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -25522,7 +25522,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1o
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ* ret_conv_40_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ");
                *ret_conv_40_conv = ret_var.data[o];
-               ret_arr_ptr[o] = ((uintptr_t)ret_conv_40_conv);
+               ret_arr_ptr[o] = ((int64_t)ret_conv_40_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
        FREE(ret_var.data);
@@ -25552,7 +25552,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1a
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKMonitorEvent *ret_conv_14_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
                *ret_conv_14_copy = ret_var.data[o];
-               uintptr_t ret_conv_14_ref = (uintptr_t)ret_conv_14_copy;
+               int64_t ret_conv_14_ref = (uintptr_t)ret_conv_14_copy;
                ret_arr_ptr[o] = ret_conv_14_ref;
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
@@ -25572,7 +25572,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1a
        for (size_t h = 0; h < ret_var.datalen; h++) {
                LDKEvent *ret_conv_7_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
                *ret_conv_7_copy = ret_var.data[h];
-               uintptr_t ret_conv_7_ref = (uintptr_t)ret_conv_7_copy;
+               int64_t ret_conv_7_ref = (uintptr_t)ret_conv_7_copy;
                ret_arr_ptr[h] = ret_conv_7_ref;
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
@@ -25657,7 +25657,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1block_
        for (size_t n = 0; n < ret_var.datalen; n++) {
                LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* ret_conv_39_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ");
                *ret_conv_39_conv = ret_var.data[n];
-               ret_arr_ptr[n] = ((uintptr_t)ret_conv_39_conv);
+               ret_arr_ptr[n] = ((int64_t)ret_conv_39_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
        FREE(ret_var.data);
@@ -25750,7 +25750,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1transa
        for (size_t n = 0; n < ret_var.datalen; n++) {
                LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* ret_conv_39_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ");
                *ret_conv_39_conv = ret_var.data[n];
-               ret_arr_ptr[n] = ((uintptr_t)ret_conv_39_conv);
+               ret_arr_ptr[n] = ((int64_t)ret_conv_39_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
        FREE(ret_var.data);
@@ -25827,7 +25827,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1best_1
        for (size_t n = 0; n < ret_var.datalen; n++) {
                LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* ret_conv_39_conv = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ");
                *ret_conv_39_conv = ret_var.data[n];
-               ret_arr_ptr[n] = ((uintptr_t)ret_conv_39_conv);
+               ret_arr_ptr[n] = ((int64_t)ret_conv_39_conv);
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
        FREE(ret_var.data);
@@ -25859,7 +25859,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1current_1be
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKBestBlock ret_var = ChannelMonitor_current_best_block(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -25882,7 +25882,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1c
        for (size_t j = 0; j < ret_var.datalen; j++) {
                LDKBalance *ret_conv_9_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
                *ret_conv_9_copy = ret_var.data[j];
-               uintptr_t ret_conv_9_ref = (uintptr_t)ret_conv_9_copy;
+               int64_t ret_conv_9_ref = (uintptr_t)ret_conv_9_copy;
                ret_arr_ptr[j] = ret_conv_9_ref;
        }
        (*env)->ReleasePrimitiveArrayCritical(env, ret_arr, ret_arr_ptr, 0);
@@ -25900,7 +25900,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMo
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ");
        *ret_conv = C2Tuple_BlockHashChannelMonitorZ_read(ser_ref, arg_conv);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_OutPoint_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -25954,7 +25954,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_OutPoint_1new(JNIEnv *env,
        CHECK((*env)->GetArrayLength(env, txid_arg) == 32);
        (*env)->GetByteArrayRegion(env, txid_arg, 0, 32, txid_arg_ref.data);
        LDKOutPoint ret_var = OutPoint_new(txid_arg_ref, index_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -25967,7 +25967,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_OutPoint_1new(JNIEnv *env,
 
 static inline uintptr_t OutPoint_clone_ptr(LDKOutPoint *NONNULL_PTR arg) {
        LDKOutPoint ret_var = OutPoint_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -25977,12 +25977,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_OutPoint_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_OutPoint_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKOutPoint arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = OutPoint_clone_ptr(&arg_conv);
+       int64_t ret_val = OutPoint_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -25992,7 +25992,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_OutPoint_1clone(JNIEnv *env
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKOutPoint ret_var = OutPoint_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26054,7 +26054,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_OutPoint_1read(JNIEnv *env,
        LDKCResult_OutPointDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OutPointDecodeErrorZ), "LDKCResult_OutPointDecodeErrorZ");
        *ret_conv = OutPoint_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescriptor_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -26071,7 +26071,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescrip
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKOutPoint ret_var = DelayedPaymentOutputDescriptor_get_outpoint(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26224,7 +26224,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescrip
        CHECK((*env)->GetArrayLength(env, channel_keys_id_arg) == 32);
        (*env)->GetByteArrayRegion(env, channel_keys_id_arg, 0, 32, channel_keys_id_arg_ref.data);
        LDKDelayedPaymentOutputDescriptor ret_var = DelayedPaymentOutputDescriptor_new(outpoint_arg_conv, per_commitment_point_arg_ref, to_self_delay_arg, output_arg_conv, revocation_pubkey_arg_ref, channel_keys_id_arg_ref, channel_value_satoshis_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26237,7 +26237,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescrip
 
 static inline uintptr_t DelayedPaymentOutputDescriptor_clone_ptr(LDKDelayedPaymentOutputDescriptor *NONNULL_PTR arg) {
        LDKDelayedPaymentOutputDescriptor ret_var = DelayedPaymentOutputDescriptor_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26247,12 +26247,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescriptor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescriptor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKDelayedPaymentOutputDescriptor arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = DelayedPaymentOutputDescriptor_clone_ptr(&arg_conv);
+       int64_t ret_val = DelayedPaymentOutputDescriptor_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -26262,7 +26262,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescrip
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKDelayedPaymentOutputDescriptor ret_var = DelayedPaymentOutputDescriptor_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26292,7 +26292,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescrip
        LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = DelayedPaymentOutputDescriptor_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescriptor_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -26309,7 +26309,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescript
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKOutPoint ret_var = StaticPaymentOutputDescriptor_get_outpoint(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26397,7 +26397,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescript
        CHECK((*env)->GetArrayLength(env, channel_keys_id_arg) == 32);
        (*env)->GetByteArrayRegion(env, channel_keys_id_arg, 0, 32, channel_keys_id_arg_ref.data);
        LDKStaticPaymentOutputDescriptor ret_var = StaticPaymentOutputDescriptor_new(outpoint_arg_conv, output_arg_conv, channel_keys_id_arg_ref, channel_value_satoshis_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26410,7 +26410,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescript
 
 static inline uintptr_t StaticPaymentOutputDescriptor_clone_ptr(LDKStaticPaymentOutputDescriptor *NONNULL_PTR arg) {
        LDKStaticPaymentOutputDescriptor ret_var = StaticPaymentOutputDescriptor_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26420,12 +26420,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescriptor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescriptor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKStaticPaymentOutputDescriptor arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = StaticPaymentOutputDescriptor_clone_ptr(&arg_conv);
+       int64_t ret_val = StaticPaymentOutputDescriptor_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -26435,7 +26435,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescript
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKStaticPaymentOutputDescriptor ret_var = StaticPaymentOutputDescriptor_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26465,7 +26465,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescript
        LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ), "LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ");
        *ret_conv = StaticPaymentOutputDescriptor_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -26480,12 +26480,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1fre
 static inline uintptr_t SpendableOutputDescriptor_clone_ptr(LDKSpendableOutputDescriptor *NONNULL_PTR arg) {
        LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
        *ret_copy = SpendableOutputDescriptor_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKSpendableOutputDescriptor* arg_conv = (LDKSpendableOutputDescriptor*)arg;
-       intptr_t ret_val = SpendableOutputDescriptor_clone_ptr(arg_conv);
+       int64_t ret_val = SpendableOutputDescriptor_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -26493,7 +26493,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1
        LDKSpendableOutputDescriptor* orig_conv = (LDKSpendableOutputDescriptor*)orig;
        LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
        *ret_copy = SpendableOutputDescriptor_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -26509,7 +26509,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1
        output_conv = TxOut_clone((LDKTxOut*)(((uintptr_t)output) & ~1));
        LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
        *ret_copy = SpendableOutputDescriptor_static_output(outpoint_conv, output_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -26521,7 +26521,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1
        a_conv = DelayedPaymentOutputDescriptor_clone(&a_conv);
        LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
        *ret_copy = SpendableOutputDescriptor_delayed_payment_output(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -26533,7 +26533,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1
        a_conv = StaticPaymentOutputDescriptor_clone(&a_conv);
        LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
        *ret_copy = SpendableOutputDescriptor_static_payment_output(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -26553,7 +26553,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SpendableOutputDescriptorDecodeErrorZ), "LDKCResult_SpendableOutputDescriptorDecodeErrorZ");
        *ret_conv = SpendableOutputDescriptor_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BaseSign_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -26568,13 +26568,13 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BaseSign_1free(JNIEnv *env, jc
 static inline uintptr_t Sign_clone_ptr(LDKSign *NONNULL_PTR arg) {
        LDKSign* ret_ret = MALLOC(sizeof(LDKSign), "LDKSign");
        *ret_ret = Sign_clone(arg);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Sign_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Sign_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        void* arg_ptr = (void*)(((uintptr_t)arg) & ~1);
        if (!(arg & 1)) { CHECK_ACCESS(arg_ptr); }
        LDKSign* arg_conv = (LDKSign*)arg_ptr;
-       intptr_t ret_val = Sign_clone_ptr(arg_conv);
+       int64_t ret_val = Sign_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -26584,7 +26584,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Sign_1clone(JNIEnv *env, jc
        LDKSign* orig_conv = (LDKSign*)orig_ptr;
        LDKSign* ret_ret = MALLOC(sizeof(LDKSign), "LDKSign");
        *ret_ret = Sign_clone(orig_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Sign_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -26757,7 +26757,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1set_1commitmen
 
 static inline uintptr_t InMemorySigner_clone_ptr(LDKInMemorySigner *NONNULL_PTR arg) {
        LDKInMemorySigner ret_var = InMemorySigner_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26767,12 +26767,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKInMemorySigner arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = InMemorySigner_clone_ptr(&arg_conv);
+       int64_t ret_val = InMemorySigner_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -26782,7 +26782,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1clone(JNIEn
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKInMemorySigner ret_var = InMemorySigner_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26819,7 +26819,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1new(JNIEnv
        CHECK((*env)->GetArrayLength(env, channel_keys_id) == 32);
        (*env)->GetByteArrayRegion(env, channel_keys_id, 0, 32, channel_keys_id_ref.data);
        LDKInMemorySigner ret_var = InMemorySigner_new(node_secret_ref, funding_key_ref, revocation_base_key_ref, payment_key_ref, delayed_payment_base_key_ref, htlc_base_key_ref, commitment_seed_ref, channel_value_satoshis, channel_keys_id_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26836,7 +26836,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1counterpart
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKChannelPublicKeys ret_var = InMemorySigner_counterparty_pubkeys(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26880,7 +26880,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1funding_1ou
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKOutPoint ret_var = InMemorySigner_funding_outpoint(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26897,7 +26897,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1get_1channe
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKChannelTransactionParameters ret_var = InMemorySigner_get_channel_parameters(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -26917,7 +26917,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1opt_1ancho
        return ret_val;
 }
 
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1sign_1counterparty_1payment_1input(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray spend_tx, intptr_t input_idx, int64_t descriptor) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1sign_1counterparty_1payment_1input(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray spend_tx, int64_t input_idx, int64_t descriptor) {
        LDKInMemorySigner this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
@@ -26933,10 +26933,10 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1sign_1count
        CHECK_INNER_FIELD_ACCESS_OR_NULL(descriptor_conv);
        LDKCResult_CVec_CVec_u8ZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_CVec_u8ZZNoneZ), "LDKCResult_CVec_CVec_u8ZZNoneZ");
        *ret_conv = InMemorySigner_sign_counterparty_payment_input(&this_arg_conv, spend_tx_ref, input_idx, &descriptor_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1sign_1dynamic_1p2wsh_1input(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray spend_tx, intptr_t input_idx, int64_t descriptor) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1sign_1dynamic_1p2wsh_1input(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray spend_tx, int64_t input_idx, int64_t descriptor) {
        LDKInMemorySigner this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
@@ -26952,7 +26952,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1sign_1dynam
        CHECK_INNER_FIELD_ACCESS_OR_NULL(descriptor_conv);
        LDKCResult_CVec_CVec_u8ZZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_CVec_u8ZZNoneZ), "LDKCResult_CVec_CVec_u8ZZNoneZ");
        *ret_conv = InMemorySigner_sign_dynamic_p2wsh_input(&this_arg_conv, spend_tx_ref, input_idx, &descriptor_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1as_1BaseSign(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -26962,7 +26962,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1as_1BaseSig
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKBaseSign* ret_ret = MALLOC(sizeof(LDKBaseSign), "LDKBaseSign");
        *ret_ret = InMemorySigner_as_BaseSign(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1as_1Sign(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -26972,7 +26972,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1as_1Sign(JN
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKSign* ret_ret = MALLOC(sizeof(LDKSign), "LDKSign");
        *ret_ret = InMemorySigner_as_Sign(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -26997,7 +26997,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InMemorySigner_1read(JNIEnv
        LDKCResult_InMemorySignerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InMemorySignerDecodeErrorZ), "LDKCResult_InMemorySignerDecodeErrorZ");
        *ret_conv = InMemorySigner_read(ser_ref, arg_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_KeysManager_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -27014,7 +27014,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysManager_1new(JNIEnv *en
        (*env)->GetByteArrayRegion(env, seed, 0, 32, seed_arr);
        unsigned char (*seed_ref)[32] = &seed_arr;
        LDKKeysManager ret_var = KeysManager_new(seed_ref, starting_time_secs, starting_time_nanos);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27035,7 +27035,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysManager_1derive_1channe
        (*env)->GetByteArrayRegion(env, params, 0, 32, params_arr);
        unsigned char (*params_ref)[32] = &params_arr;
        LDKInMemorySigner ret_var = KeysManager_derive_channel_keys(&this_arg_conv, channel_value_satoshis, params_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27089,7 +27089,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysManager_1spend_1spendab
        (*env)->GetByteArrayRegion(env, change_destination_script, 0, change_destination_script_ref.datalen, change_destination_script_ref.data);
        LDKCResult_TransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TransactionNoneZ), "LDKCResult_TransactionNoneZ");
        *ret_conv = KeysManager_spend_spendable_outputs(&this_arg_conv, descriptors_constr, outputs_constr, change_destination_script_ref, feerate_sat_per_1000_weight);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysManager_1as_1KeysInterface(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -27099,7 +27099,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysManager_1as_1KeysInterf
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKKeysInterface* ret_ret = MALLOC(sizeof(LDKKeysInterface), "LDKKeysInterface");
        *ret_ret = KeysManager_as_KeysInterface(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PhantomKeysManager_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -27117,7 +27117,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomKeysManager_1as_1Key
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKKeysInterface* ret_ret = MALLOC(sizeof(LDKKeysInterface), "LDKKeysInterface");
        *ret_ret = PhantomKeysManager_as_KeysInterface(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomKeysManager_1new(JNIEnv *env, jclass clz, int8_tArray seed, int64_t starting_time_secs, int32_t starting_time_nanos, int8_tArray cross_node_seed) {
@@ -27130,7 +27130,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomKeysManager_1new(JNI
        (*env)->GetByteArrayRegion(env, cross_node_seed, 0, 32, cross_node_seed_arr);
        unsigned char (*cross_node_seed_ref)[32] = &cross_node_seed_arr;
        LDKPhantomKeysManager ret_var = PhantomKeysManager_new(seed_ref, starting_time_secs, starting_time_nanos, cross_node_seed_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27184,7 +27184,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomKeysManager_1spend_1
        (*env)->GetByteArrayRegion(env, change_destination_script, 0, change_destination_script_ref.datalen, change_destination_script_ref.data);
        LDKCResult_TransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TransactionNoneZ), "LDKCResult_TransactionNoneZ");
        *ret_conv = PhantomKeysManager_spend_spendable_outputs(&this_arg_conv, descriptors_constr, outputs_constr, change_destination_script_ref, feerate_sat_per_1000_weight);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomKeysManager_1derive_1channel_1keys(JNIEnv *env, jclass clz, int64_t this_arg, int64_t channel_value_satoshis, int8_tArray params) {
@@ -27197,7 +27197,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomKeysManager_1derive_
        (*env)->GetByteArrayRegion(env, params, 0, 32, params_arr);
        unsigned char (*params_ref)[32] = &params_arr;
        LDKInMemorySigner ret_var = PhantomKeysManager_derive_channel_keys(&this_arg_conv, channel_value_satoshis, params_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27248,7 +27248,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainParameters_1get_1best_
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKBestBlock ret_var = ChainParameters_get_best_block(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27280,7 +27280,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainParameters_1new(JNIEnv
        CHECK_INNER_FIELD_ACCESS_OR_NULL(best_block_arg_conv);
        best_block_arg_conv = BestBlock_clone(&best_block_arg_conv);
        LDKChainParameters ret_var = ChainParameters_new(network_arg_conv, best_block_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27293,7 +27293,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainParameters_1new(JNIEnv
 
 static inline uintptr_t ChainParameters_clone_ptr(LDKChainParameters *NONNULL_PTR arg) {
        LDKChainParameters ret_var = ChainParameters_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27303,12 +27303,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChainParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChainParameters arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChainParameters_clone_ptr(&arg_conv);
+       int64_t ret_val = ChainParameters_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -27318,7 +27318,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainParameters_1clone(JNIE
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChainParameters ret_var = ChainParameters_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27390,7 +27390,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CounterpartyForwardingInfo_1se
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyForwardingInfo_1new(JNIEnv *env, jclass clz, int32_t fee_base_msat_arg, int32_t fee_proportional_millionths_arg, int16_t cltv_expiry_delta_arg) {
        LDKCounterpartyForwardingInfo ret_var = CounterpartyForwardingInfo_new(fee_base_msat_arg, fee_proportional_millionths_arg, cltv_expiry_delta_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27403,7 +27403,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyForwardingInfo_
 
 static inline uintptr_t CounterpartyForwardingInfo_clone_ptr(LDKCounterpartyForwardingInfo *NONNULL_PTR arg) {
        LDKCounterpartyForwardingInfo ret_var = CounterpartyForwardingInfo_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27413,12 +27413,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CounterpartyForwardingInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyForwardingInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCounterpartyForwardingInfo arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = CounterpartyForwardingInfo_clone_ptr(&arg_conv);
+       int64_t ret_val = CounterpartyForwardingInfo_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -27428,7 +27428,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyForwardingInfo_
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKCounterpartyForwardingInfo ret_var = CounterpartyForwardingInfo_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27474,7 +27474,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelCounterparty_1get_1f
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKInitFeatures ret_var = ChannelCounterparty_get_features(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27521,7 +27521,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelCounterparty_1get_1f
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCounterpartyForwardingInfo ret_var = ChannelCounterparty_get_forwarding_info(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -27562,7 +27562,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelCounterparty_1new(JN
        CHECK_INNER_FIELD_ACCESS_OR_NULL(forwarding_info_arg_conv);
        forwarding_info_arg_conv = CounterpartyForwardingInfo_clone(&forwarding_info_arg_conv);
        LDKChannelCounterparty ret_var = ChannelCounterparty_new(node_id_arg_ref, features_arg_conv, unspendable_punishment_reserve_arg, forwarding_info_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27575,7 +27575,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelCounterparty_1new(JN
 
 static inline uintptr_t ChannelCounterparty_clone_ptr(LDKChannelCounterparty *NONNULL_PTR arg) {
        LDKChannelCounterparty ret_var = ChannelCounterparty_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27585,12 +27585,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelCounterparty_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelCounterparty_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelCounterparty arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelCounterparty_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelCounterparty_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -27600,7 +27600,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelCounterparty_1clone(
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelCounterparty ret_var = ChannelCounterparty_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27646,7 +27646,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1get_1counte
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelCounterparty ret_var = ChannelDetails_get_counterparty(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27676,7 +27676,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1get_1fundin
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKOutPoint ret_var = ChannelDetails_get_funding_txo(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -27709,7 +27709,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1get_1short_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = ChannelDetails_get_short_channel_id(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -27749,7 +27749,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1get_1unspen
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = ChannelDetails_get_unspendable_punishment_reserve(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -27840,7 +27840,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1get_1confir
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u32Z *ret_copy = MALLOC(sizeof(LDKCOption_u32Z), "LDKCOption_u32Z");
        *ret_copy = ChannelDetails_get_confirmations_required(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -27863,7 +27863,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1get_1force_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u16Z *ret_copy = MALLOC(sizeof(LDKCOption_u16Z), "LDKCOption_u16Z");
        *ret_copy = ChannelDetails_get_force_close_spend_delay(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -27977,7 +27977,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1new(JNIEnv
        LDKCOption_u16Z force_close_spend_delay_arg_conv = *(LDKCOption_u16Z*)(force_close_spend_delay_arg_ptr);
        force_close_spend_delay_arg_conv = COption_u16Z_clone((LDKCOption_u16Z*)(((uintptr_t)force_close_spend_delay_arg) & ~1));
        LDKChannelDetails ret_var = ChannelDetails_new(channel_id_arg_ref, counterparty_arg_conv, funding_txo_arg_conv, short_channel_id_arg_conv, channel_value_satoshis_arg, unspendable_punishment_reserve_arg_conv, user_channel_id_arg, balance_msat_arg, outbound_capacity_msat_arg, inbound_capacity_msat_arg, confirmations_required_arg_conv, force_close_spend_delay_arg_conv, is_outbound_arg, is_funding_locked_arg, is_usable_arg, is_public_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -27990,7 +27990,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1new(JNIEnv
 
 static inline uintptr_t ChannelDetails_clone_ptr(LDKChannelDetails *NONNULL_PTR arg) {
        LDKChannelDetails ret_var = ChannelDetails_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -28000,12 +28000,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelDetails arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelDetails_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelDetails_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -28015,7 +28015,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1clone(JNIEn
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelDetails ret_var = ChannelDetails_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -28038,12 +28038,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1free(JNIEn
 static inline uintptr_t PaymentSendFailure_clone_ptr(LDKPaymentSendFailure *NONNULL_PTR arg) {
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = PaymentSendFailure_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPaymentSendFailure* arg_conv = (LDKPaymentSendFailure*)arg;
-       intptr_t ret_val = PaymentSendFailure_clone_ptr(arg_conv);
+       int64_t ret_val = PaymentSendFailure_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -28051,7 +28051,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1clone(J
        LDKPaymentSendFailure* orig_conv = (LDKPaymentSendFailure*)orig;
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = PaymentSendFailure_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -28062,7 +28062,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1paramet
        a_conv = APIError_clone((LDKAPIError*)(((uintptr_t)a) & ~1));
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = PaymentSendFailure_parameter_error(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -28085,7 +28085,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1path_1p
        (*env)->ReleaseLongArrayElements(env, a, a_vals, 0);
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = PaymentSendFailure_path_parameter_error(a_constr);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -28108,7 +28108,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1all_1fa
        (*env)->ReleaseLongArrayElements(env, a, a_vals, 0);
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = PaymentSendFailure_all_failed_retry_safe(a_constr);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -28138,7 +28138,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1partial
        (*env)->GetByteArrayRegion(env, payment_id, 0, 32, payment_id_ref.data);
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = PaymentSendFailure_partial_failure(results_constr, failed_paths_retry_conv, payment_id_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -28161,7 +28161,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_PhantomRouteHints_1get
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t q = 0; q < ret_var.datalen; q++) {
                LDKChannelDetails ret_conv_16_var = ret_var.data[q];
-               uintptr_t ret_conv_16_ref = 0;
+               int64_t ret_conv_16_ref = 0;
                CHECK((((uintptr_t)ret_conv_16_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_16_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_16_var);
@@ -28261,7 +28261,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomRouteHints_1new(JNIE
        CHECK((*env)->GetArrayLength(env, real_node_pubkey_arg) == 33);
        (*env)->GetByteArrayRegion(env, real_node_pubkey_arg, 0, 33, real_node_pubkey_arg_ref.compressed_form);
        LDKPhantomRouteHints ret_var = PhantomRouteHints_new(channels_arg_constr, phantom_scid_arg, real_node_pubkey_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -28274,7 +28274,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomRouteHints_1new(JNIE
 
 static inline uintptr_t PhantomRouteHints_clone_ptr(LDKPhantomRouteHints *NONNULL_PTR arg) {
        LDKPhantomRouteHints ret_var = PhantomRouteHints_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -28284,12 +28284,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_PhantomRouteHints_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomRouteHints_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPhantomRouteHints arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = PhantomRouteHints_clone_ptr(&arg_conv);
+       int64_t ret_val = PhantomRouteHints_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -28299,7 +28299,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomRouteHints_1clone(JN
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKPhantomRouteHints ret_var = PhantomRouteHints_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -28357,7 +28357,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1new(JNIEnv
        CHECK_INNER_FIELD_ACCESS_OR_NULL(params_conv);
        params_conv = ChainParameters_clone(&params_conv);
        LDKChannelManager ret_var = ChannelManager_new(fee_est_conv, chain_monitor_conv, tx_broadcaster_conv, logger_conv, keys_manager_conv, config_conv, params_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -28374,7 +28374,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1get_1curren
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKUserConfig ret_var = ChannelManager_get_current_default_configuration(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -28400,7 +28400,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1cha
        override_config_conv = UserConfig_clone(&override_config_conv);
        LDKCResult__u832APIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult__u832APIErrorZ), "LDKCResult__u832APIErrorZ");
        *ret_conv = ChannelManager_create_channel(&this_arg_conv, their_network_key_ref, channel_value_satoshis, push_msat, user_channel_id, override_config_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelManager_1list_1channels(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -28414,7 +28414,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelManager_1list_1
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t q = 0; q < ret_var.datalen; q++) {
                LDKChannelDetails ret_conv_16_var = ret_var.data[q];
-               uintptr_t ret_conv_16_ref = 0;
+               int64_t ret_conv_16_ref = 0;
                CHECK((((uintptr_t)ret_conv_16_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_16_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_16_var);
@@ -28440,7 +28440,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelManager_1list_1
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t q = 0; q < ret_var.datalen; q++) {
                LDKChannelDetails ret_conv_16_var = ret_var.data[q];
-               uintptr_t ret_conv_16_ref = 0;
+               int64_t ret_conv_16_ref = 0;
                CHECK((((uintptr_t)ret_conv_16_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_16_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_16_var);
@@ -28466,7 +28466,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1close_1chan
        unsigned char (*channel_id_ref)[32] = &channel_id_arr;
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = ChannelManager_close_channel(&this_arg_conv, channel_id_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1close_1channel_1with_1target_1feerate(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray channel_id, int32_t target_feerate_sats_per_1000_weight) {
@@ -28480,7 +28480,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1close_1chan
        unsigned char (*channel_id_ref)[32] = &channel_id_arr;
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = ChannelManager_close_channel_with_target_feerate(&this_arg_conv, channel_id_ref, target_feerate_sats_per_1000_weight);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1force_1close_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray channel_id) {
@@ -28494,7 +28494,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1force_1clos
        unsigned char (*channel_id_ref)[32] = &channel_id_arr;
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = ChannelManager_force_close_channel(&this_arg_conv, channel_id_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManager_1force_1close_1all_1channels(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -28522,7 +28522,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1send_1payme
        (*env)->GetByteArrayRegion(env, payment_secret, 0, 32, payment_secret_ref.data);
        LDKCResult_PaymentIdPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentSendFailureZ), "LDKCResult_PaymentIdPaymentSendFailureZ");
        *ret_conv = ChannelManager_send_payment(&this_arg_conv, &route_conv, payment_hash_ref, payment_secret_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1retry_1payment(JNIEnv *env, jclass clz, int64_t this_arg, int64_t route, int8_tArray payment_id) {
@@ -28539,7 +28539,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1retry_1paym
        (*env)->GetByteArrayRegion(env, payment_id, 0, 32, payment_id_ref.data);
        LDKCResult_NonePaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePaymentSendFailureZ), "LDKCResult_NonePaymentSendFailureZ");
        *ret_conv = ChannelManager_retry_payment(&this_arg_conv, &route_conv, payment_id_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManager_1abandon_1payment(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray payment_id) {
@@ -28567,7 +28567,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1send_1spont
        (*env)->GetByteArrayRegion(env, payment_preimage, 0, 32, payment_preimage_ref.data);
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ), "LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ");
        *ret_conv = ChannelManager_send_spontaneous_payment(&this_arg_conv, &route_conv, payment_preimage_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1funding_1transaction_1generated(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray temporary_channel_id, int8_tArray funding_transaction) {
@@ -28586,7 +28586,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1funding_1tr
        funding_transaction_ref.data_is_owned = true;
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = ChannelManager_funding_transaction_generated(&this_arg_conv, temporary_channel_id_ref, funding_transaction_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManager_1broadcast_1node_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray rgb, int8_tArray alias, int64_tArray addresses) {
@@ -28680,7 +28680,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1accept_1inb
        unsigned char (*temporary_channel_id_ref)[32] = &temporary_channel_id_arr;
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = ChannelManager_accept_inbound_channel(&this_arg_conv, temporary_channel_id_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inbound_1payment(JNIEnv *env, jclass clz, int64_t this_arg, int64_t min_value_msat, int32_t invoice_expiry_delta_secs) {
@@ -28694,7 +28694,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inb
        min_value_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uintptr_t)min_value_msat) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZNoneZ");
        *ret_conv = ChannelManager_create_inbound_payment(&this_arg_conv, min_value_msat_conv, invoice_expiry_delta_secs);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inbound_1payment_1legacy(JNIEnv *env, jclass clz, int64_t this_arg, int64_t min_value_msat, int32_t invoice_expiry_delta_secs) {
@@ -28708,7 +28708,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inb
        min_value_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uintptr_t)min_value_msat) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ), "LDKCResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ");
        *ret_conv = ChannelManager_create_inbound_payment_legacy(&this_arg_conv, min_value_msat_conv, invoice_expiry_delta_secs);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inbound_1payment_1for_1hash(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray payment_hash, int64_t min_value_msat, int32_t invoice_expiry_delta_secs) {
@@ -28725,7 +28725,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inb
        min_value_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uintptr_t)min_value_msat) & ~1));
        LDKCResult_PaymentSecretNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretNoneZ), "LDKCResult_PaymentSecretNoneZ");
        *ret_conv = ChannelManager_create_inbound_payment_for_hash(&this_arg_conv, payment_hash_ref, min_value_msat_conv, invoice_expiry_delta_secs);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inbound_1payment_1for_1hash_1legacy(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray payment_hash, int64_t min_value_msat, int32_t invoice_expiry_delta_secs) {
@@ -28742,7 +28742,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inb
        min_value_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uintptr_t)min_value_msat) & ~1));
        LDKCResult_PaymentSecretAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretAPIErrorZ), "LDKCResult_PaymentSecretAPIErrorZ");
        *ret_conv = ChannelManager_create_inbound_payment_for_hash_legacy(&this_arg_conv, payment_hash_ref, min_value_msat_conv, invoice_expiry_delta_secs);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1get_1payment_1preimage(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray payment_hash, int8_tArray payment_secret) {
@@ -28758,7 +28758,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1get_1paymen
        (*env)->GetByteArrayRegion(env, payment_secret, 0, 32, payment_secret_ref.data);
        LDKCResult_PaymentPreimageAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentPreimageAPIErrorZ), "LDKCResult_PaymentPreimageAPIErrorZ");
        *ret_conv = ChannelManager_get_payment_preimage(&this_arg_conv, payment_hash_ref, payment_secret_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1get_1phantom_1scid(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -28776,7 +28776,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1get_1phanto
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKPhantomRouteHints ret_var = ChannelManager_get_phantom_route_hints(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -28794,7 +28794,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1Message
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKMessageSendEventsProvider* ret_ret = MALLOC(sizeof(LDKMessageSendEventsProvider), "LDKMessageSendEventsProvider");
        *ret_ret = ChannelManager_as_MessageSendEventsProvider(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1EventsProvider(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -28804,7 +28804,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1EventsP
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKEventsProvider* ret_ret = MALLOC(sizeof(LDKEventsProvider), "LDKEventsProvider");
        *ret_ret = ChannelManager_as_EventsProvider(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1Listen(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -28814,7 +28814,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1Listen(
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKListen* ret_ret = MALLOC(sizeof(LDKListen), "LDKListen");
        *ret_ret = ChannelManager_as_Listen(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1Confirm(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -28824,7 +28824,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1Confirm
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKConfirm* ret_ret = MALLOC(sizeof(LDKConfirm), "LDKConfirm");
        *ret_ret = ChannelManager_as_Confirm(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_ChannelManager_1await_1persistable_1update_1timeout(JNIEnv *env, jclass clz, int64_t this_arg, int64_t max_wait) {
@@ -28850,7 +28850,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1current_1be
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKBestBlock ret_var = ChannelManager_current_best_block(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -28868,7 +28868,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1Channel
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKChannelMessageHandler* ret_ret = MALLOC(sizeof(LDKChannelMessageHandler), "LDKChannelMessageHandler");
        *ret_ret = ChannelManager_as_ChannelMessageHandler(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_CounterpartyForwardingInfo_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -28890,7 +28890,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyForwardingInfo_
        LDKCResult_CounterpartyForwardingInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyForwardingInfoDecodeErrorZ), "LDKCResult_CounterpartyForwardingInfoDecodeErrorZ");
        *ret_conv = CounterpartyForwardingInfo_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ChannelCounterparty_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -28912,7 +28912,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelCounterparty_1read(J
        LDKCResult_ChannelCounterpartyDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelCounterpartyDecodeErrorZ), "LDKCResult_ChannelCounterpartyDecodeErrorZ");
        *ret_conv = ChannelCounterparty_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -28934,7 +28934,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1read(JNIEnv
        LDKCResult_ChannelDetailsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelDetailsDecodeErrorZ), "LDKCResult_ChannelDetailsDecodeErrorZ");
        *ret_conv = ChannelDetails_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_PhantomRouteHints_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -28956,7 +28956,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PhantomRouteHints_1read(JNI
        LDKCResult_PhantomRouteHintsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PhantomRouteHintsDecodeErrorZ), "LDKCResult_PhantomRouteHintsDecodeErrorZ");
        *ret_conv = PhantomRouteHints_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ChannelManager_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -28985,7 +28985,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1get
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        // WARNING: This object doesn't live past this scope, needs clone!
-       uintptr_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_keys_manager(&this_ptr_conv)) | 1;
+       int64_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_keys_manager(&this_ptr_conv)) | 1;
        return ret_ret;
 }
 
@@ -29010,7 +29010,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1get
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        // WARNING: This object doesn't live past this scope, needs clone!
-       uintptr_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_fee_estimator(&this_ptr_conv)) | 1;
+       int64_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_fee_estimator(&this_ptr_conv)) | 1;
        return ret_ret;
 }
 
@@ -29035,7 +29035,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1get
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        // WARNING: This object doesn't live past this scope, needs clone!
-       uintptr_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_chain_monitor(&this_ptr_conv)) | 1;
+       int64_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_chain_monitor(&this_ptr_conv)) | 1;
        return ret_ret;
 }
 
@@ -29060,7 +29060,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1get
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        // WARNING: This object doesn't live past this scope, needs clone!
-       uintptr_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_tx_broadcaster(&this_ptr_conv)) | 1;
+       int64_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_tx_broadcaster(&this_ptr_conv)) | 1;
        return ret_ret;
 }
 
@@ -29085,7 +29085,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1get
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        // WARNING: This object doesn't live past this scope, needs clone!
-       uintptr_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_logger(&this_ptr_conv)) | 1;
+       int64_t ret_ret = ((uintptr_t)ChannelManagerReadArgs_get_logger(&this_ptr_conv)) | 1;
        return ret_ret;
 }
 
@@ -29110,7 +29110,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1get
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKUserConfig ret_var = ChannelManagerReadArgs_get_default_config(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29192,7 +29192,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1new
        }
        (*env)->ReleaseLongArrayElements(env, channel_monitors, channel_monitors_vals, 0);
        LDKChannelManagerReadArgs ret_var = ChannelManagerReadArgs_new(keys_manager_conv, fee_estimator_conv, chain_monitor_conv, tx_broadcaster_conv, logger_conv, default_config_conv, channel_monitors_constr);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29215,7 +29215,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMa
        LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ");
        *ret_conv = C2Tuple_BlockHashChannelManagerZ_read(ser_ref, arg_conv);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DecodeError_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -29228,7 +29228,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DecodeError_1free(JNIEnv *env,
 
 static inline uintptr_t DecodeError_clone_ptr(LDKDecodeError *NONNULL_PTR arg) {
        LDKDecodeError ret_var = DecodeError_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29238,12 +29238,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_DecodeError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DecodeError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKDecodeError arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = DecodeError_clone_ptr(&arg_conv);
+       int64_t ret_val = DecodeError_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -29253,7 +29253,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DecodeError_1clone(JNIEnv *
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKDecodeError ret_var = DecodeError_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29278,7 +29278,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Init_1get_1features(JNIEnv
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKInitFeatures ret_var = Init_get_features(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29309,7 +29309,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Init_1new(JNIEnv *env, jcla
        CHECK_INNER_FIELD_ACCESS_OR_NULL(features_arg_conv);
        features_arg_conv = InitFeatures_clone(&features_arg_conv);
        LDKInit ret_var = Init_new(features_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29322,7 +29322,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Init_1new(JNIEnv *env, jcla
 
 static inline uintptr_t Init_clone_ptr(LDKInit *NONNULL_PTR arg) {
        LDKInit ret_var = Init_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29332,12 +29332,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Init_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Init_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKInit arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = Init_clone_ptr(&arg_conv);
+       int64_t ret_val = Init_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -29347,7 +29347,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Init_1clone(JNIEnv *env, jc
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKInit ret_var = Init_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29413,7 +29413,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorMessage_1new(JNIEnv *e
        (*env)->GetByteArrayRegion(env, channel_id_arg, 0, 32, channel_id_arg_ref.data);
        LDKStr data_arg_conv = java_to_owned_str(env, data_arg);
        LDKErrorMessage ret_var = ErrorMessage_new(channel_id_arg_ref, data_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29426,7 +29426,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorMessage_1new(JNIEnv *e
 
 static inline uintptr_t ErrorMessage_clone_ptr(LDKErrorMessage *NONNULL_PTR arg) {
        LDKErrorMessage ret_var = ErrorMessage_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29436,12 +29436,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ErrorMessage_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorMessage_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKErrorMessage arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ErrorMessage_clone_ptr(&arg_conv);
+       int64_t ret_val = ErrorMessage_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -29451,7 +29451,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorMessage_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKErrorMessage ret_var = ErrorMessage_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29517,7 +29517,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WarningMessage_1new(JNIEnv
        (*env)->GetByteArrayRegion(env, channel_id_arg, 0, 32, channel_id_arg_ref.data);
        LDKStr data_arg_conv = java_to_owned_str(env, data_arg);
        LDKWarningMessage ret_var = WarningMessage_new(channel_id_arg_ref, data_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29530,7 +29530,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WarningMessage_1new(JNIEnv
 
 static inline uintptr_t WarningMessage_clone_ptr(LDKWarningMessage *NONNULL_PTR arg) {
        LDKWarningMessage ret_var = WarningMessage_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29540,12 +29540,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_WarningMessage_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WarningMessage_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKWarningMessage arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = WarningMessage_clone_ptr(&arg_conv);
+       int64_t ret_val = WarningMessage_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -29555,7 +29555,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WarningMessage_1clone(JNIEn
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKWarningMessage ret_var = WarningMessage_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29610,7 +29610,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Ping_1set_1byteslen(JNIEnv *en
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Ping_1new(JNIEnv *env, jclass clz, int16_t ponglen_arg, int16_t byteslen_arg) {
        LDKPing ret_var = Ping_new(ponglen_arg, byteslen_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29623,7 +29623,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Ping_1new(JNIEnv *env, jcla
 
 static inline uintptr_t Ping_clone_ptr(LDKPing *NONNULL_PTR arg) {
        LDKPing ret_var = Ping_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29633,12 +29633,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Ping_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Ping_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPing arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = Ping_clone_ptr(&arg_conv);
+       int64_t ret_val = Ping_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -29648,7 +29648,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Ping_1clone(JNIEnv *env, jc
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKPing ret_var = Ping_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29686,7 +29686,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Pong_1set_1byteslen(JNIEnv *en
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Pong_1new(JNIEnv *env, jclass clz, int16_t byteslen_arg) {
        LDKPong ret_var = Pong_new(byteslen_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29699,7 +29699,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Pong_1new(JNIEnv *env, jcla
 
 static inline uintptr_t Pong_clone_ptr(LDKPong *NONNULL_PTR arg) {
        LDKPong ret_var = Pong_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -29709,12 +29709,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Pong_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Pong_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPong arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = Pong_clone_ptr(&arg_conv);
+       int64_t ret_val = Pong_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -29724,7 +29724,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Pong_1clone(JNIEnv *env, jc
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKPong ret_var = Pong_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30087,7 +30087,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_OpenChannel_1get_1channel_1
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelTypeFeatures ret_var = OpenChannel_get_channel_type(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -30115,7 +30115,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_OpenChannel_1set_1channel_1typ
 
 static inline uintptr_t OpenChannel_clone_ptr(LDKOpenChannel *NONNULL_PTR arg) {
        LDKOpenChannel ret_var = OpenChannel_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30125,12 +30125,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_OpenChannel_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_OpenChannel_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKOpenChannel arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = OpenChannel_clone_ptr(&arg_conv);
+       int64_t ret_val = OpenChannel_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -30140,7 +30140,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_OpenChannel_1clone(JNIEnv *
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKOpenChannel ret_var = OpenChannel_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30431,7 +30431,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AcceptChannel_1get_1channel
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelTypeFeatures ret_var = AcceptChannel_get_channel_type(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -30459,7 +30459,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_AcceptChannel_1set_1channel_1t
 
 static inline uintptr_t AcceptChannel_clone_ptr(LDKAcceptChannel *NONNULL_PTR arg) {
        LDKAcceptChannel ret_var = AcceptChannel_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30469,12 +30469,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_AcceptChannel_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AcceptChannel_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKAcceptChannel arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = AcceptChannel_clone_ptr(&arg_conv);
+       int64_t ret_val = AcceptChannel_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -30484,7 +30484,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AcceptChannel_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKAcceptChannel ret_var = AcceptChannel_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30594,7 +30594,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingCreated_1new(JNIEnv
        CHECK((*env)->GetArrayLength(env, signature_arg) == 64);
        (*env)->GetByteArrayRegion(env, signature_arg, 0, 64, signature_arg_ref.compact_form);
        LDKFundingCreated ret_var = FundingCreated_new(temporary_channel_id_arg_ref, funding_txid_arg_ref, funding_output_index_arg, signature_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30607,7 +30607,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingCreated_1new(JNIEnv
 
 static inline uintptr_t FundingCreated_clone_ptr(LDKFundingCreated *NONNULL_PTR arg) {
        LDKFundingCreated ret_var = FundingCreated_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30617,12 +30617,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_FundingCreated_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingCreated_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKFundingCreated arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = FundingCreated_clone_ptr(&arg_conv);
+       int64_t ret_val = FundingCreated_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -30632,7 +30632,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingCreated_1clone(JNIEn
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKFundingCreated ret_var = FundingCreated_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30701,7 +30701,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingSigned_1new(JNIEnv *
        CHECK((*env)->GetArrayLength(env, signature_arg) == 64);
        (*env)->GetByteArrayRegion(env, signature_arg, 0, 64, signature_arg_ref.compact_form);
        LDKFundingSigned ret_var = FundingSigned_new(channel_id_arg_ref, signature_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30714,7 +30714,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingSigned_1new(JNIEnv *
 
 static inline uintptr_t FundingSigned_clone_ptr(LDKFundingSigned *NONNULL_PTR arg) {
        LDKFundingSigned ret_var = FundingSigned_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30724,12 +30724,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_FundingSigned_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingSigned_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKFundingSigned arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = FundingSigned_clone_ptr(&arg_conv);
+       int64_t ret_val = FundingSigned_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -30739,7 +30739,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingSigned_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKFundingSigned ret_var = FundingSigned_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30808,7 +30808,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingLocked_1new(JNIEnv *
        CHECK((*env)->GetArrayLength(env, next_per_commitment_point_arg) == 33);
        (*env)->GetByteArrayRegion(env, next_per_commitment_point_arg, 0, 33, next_per_commitment_point_arg_ref.compressed_form);
        LDKFundingLocked ret_var = FundingLocked_new(channel_id_arg_ref, next_per_commitment_point_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30821,7 +30821,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingLocked_1new(JNIEnv *
 
 static inline uintptr_t FundingLocked_clone_ptr(LDKFundingLocked *NONNULL_PTR arg) {
        LDKFundingLocked ret_var = FundingLocked_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30831,12 +30831,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_FundingLocked_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingLocked_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKFundingLocked arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = FundingLocked_clone_ptr(&arg_conv);
+       int64_t ret_val = FundingLocked_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -30846,7 +30846,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingLocked_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKFundingLocked ret_var = FundingLocked_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30918,7 +30918,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Shutdown_1new(JNIEnv *env,
        scriptpubkey_arg_ref.data = MALLOC(scriptpubkey_arg_ref.datalen, "LDKCVec_u8Z Bytes");
        (*env)->GetByteArrayRegion(env, scriptpubkey_arg, 0, scriptpubkey_arg_ref.datalen, scriptpubkey_arg_ref.data);
        LDKShutdown ret_var = Shutdown_new(channel_id_arg_ref, scriptpubkey_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30931,7 +30931,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Shutdown_1new(JNIEnv *env,
 
 static inline uintptr_t Shutdown_clone_ptr(LDKShutdown *NONNULL_PTR arg) {
        LDKShutdown ret_var = Shutdown_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -30941,12 +30941,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Shutdown_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Shutdown_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKShutdown arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = Shutdown_clone_ptr(&arg_conv);
+       int64_t ret_val = Shutdown_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -30956,7 +30956,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Shutdown_1clone(JNIEnv *env
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKShutdown ret_var = Shutdown_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31011,7 +31011,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ClosingSignedFeeRange_1set_1ma
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSignedFeeRange_1new(JNIEnv *env, jclass clz, int64_t min_fee_satoshis_arg, int64_t max_fee_satoshis_arg) {
        LDKClosingSignedFeeRange ret_var = ClosingSignedFeeRange_new(min_fee_satoshis_arg, max_fee_satoshis_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31024,7 +31024,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSignedFeeRange_1new(
 
 static inline uintptr_t ClosingSignedFeeRange_clone_ptr(LDKClosingSignedFeeRange *NONNULL_PTR arg) {
        LDKClosingSignedFeeRange ret_var = ClosingSignedFeeRange_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31034,12 +31034,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ClosingSignedFeeRange_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSignedFeeRange_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKClosingSignedFeeRange arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ClosingSignedFeeRange_clone_ptr(&arg_conv);
+       int64_t ret_val = ClosingSignedFeeRange_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -31049,7 +31049,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSignedFeeRange_1clon
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKClosingSignedFeeRange ret_var = ClosingSignedFeeRange_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31133,7 +31133,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSigned_1get_1fee_1ra
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKClosingSignedFeeRange ret_var = ClosingSigned_get_fee_range(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -31172,7 +31172,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSigned_1new(JNIEnv *
        CHECK_INNER_FIELD_ACCESS_OR_NULL(fee_range_arg_conv);
        fee_range_arg_conv = ClosingSignedFeeRange_clone(&fee_range_arg_conv);
        LDKClosingSigned ret_var = ClosingSigned_new(channel_id_arg_ref, fee_satoshis_arg, signature_arg_ref, fee_range_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31185,7 +31185,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSigned_1new(JNIEnv *
 
 static inline uintptr_t ClosingSigned_clone_ptr(LDKClosingSigned *NONNULL_PTR arg) {
        LDKClosingSigned ret_var = ClosingSigned_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31195,12 +31195,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ClosingSigned_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSigned_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKClosingSigned arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ClosingSigned_clone_ptr(&arg_conv);
+       int64_t ret_val = ClosingSigned_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -31210,7 +31210,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSigned_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKClosingSigned ret_var = ClosingSigned_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31324,7 +31324,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_UpdateAddHTLC_1set_1cltv_1expi
 
 static inline uintptr_t UpdateAddHTLC_clone_ptr(LDKUpdateAddHTLC *NONNULL_PTR arg) {
        LDKUpdateAddHTLC ret_var = UpdateAddHTLC_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31334,12 +31334,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_UpdateAddHTLC_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateAddHTLC_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKUpdateAddHTLC arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = UpdateAddHTLC_clone_ptr(&arg_conv);
+       int64_t ret_val = UpdateAddHTLC_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -31349,7 +31349,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateAddHTLC_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKUpdateAddHTLC ret_var = UpdateAddHTLC_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31435,7 +31435,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFulfillHTLC_1new(JNIE
        CHECK((*env)->GetArrayLength(env, payment_preimage_arg) == 32);
        (*env)->GetByteArrayRegion(env, payment_preimage_arg, 0, 32, payment_preimage_arg_ref.data);
        LDKUpdateFulfillHTLC ret_var = UpdateFulfillHTLC_new(channel_id_arg_ref, htlc_id_arg, payment_preimage_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31448,7 +31448,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFulfillHTLC_1new(JNIE
 
 static inline uintptr_t UpdateFulfillHTLC_clone_ptr(LDKUpdateFulfillHTLC *NONNULL_PTR arg) {
        LDKUpdateFulfillHTLC ret_var = UpdateFulfillHTLC_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31458,12 +31458,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_UpdateFulfillHTLC_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFulfillHTLC_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKUpdateFulfillHTLC arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = UpdateFulfillHTLC_clone_ptr(&arg_conv);
+       int64_t ret_val = UpdateFulfillHTLC_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -31473,7 +31473,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFulfillHTLC_1clone(JN
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKUpdateFulfillHTLC ret_var = UpdateFulfillHTLC_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31532,7 +31532,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_UpdateFailHTLC_1set_1htlc_1id(
 
 static inline uintptr_t UpdateFailHTLC_clone_ptr(LDKUpdateFailHTLC *NONNULL_PTR arg) {
        LDKUpdateFailHTLC ret_var = UpdateFailHTLC_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31542,12 +31542,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_UpdateFailHTLC_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFailHTLC_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKUpdateFailHTLC arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = UpdateFailHTLC_clone_ptr(&arg_conv);
+       int64_t ret_val = UpdateFailHTLC_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -31557,7 +31557,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFailHTLC_1clone(JNIEn
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKUpdateFailHTLC ret_var = UpdateFailHTLC_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31633,7 +31633,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_UpdateFailMalformedHTLC_1set_1
 
 static inline uintptr_t UpdateFailMalformedHTLC_clone_ptr(LDKUpdateFailMalformedHTLC *NONNULL_PTR arg) {
        LDKUpdateFailMalformedHTLC ret_var = UpdateFailMalformedHTLC_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31643,12 +31643,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_UpdateFailMalformedHTLC_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFailMalformedHTLC_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKUpdateFailMalformedHTLC arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = UpdateFailMalformedHTLC_clone_ptr(&arg_conv);
+       int64_t ret_val = UpdateFailMalformedHTLC_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -31658,7 +31658,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFailMalformedHTLC_1cl
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKUpdateFailMalformedHTLC ret_var = UpdateFailMalformedHTLC_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31761,7 +31761,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentSigned_1new(JNIEn
                htlc_signatures_arg_constr.data[i] = htlc_signatures_arg_conv_8_ref;
        }
        LDKCommitmentSigned ret_var = CommitmentSigned_new(channel_id_arg_ref, signature_arg_ref, htlc_signatures_arg_constr);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31774,7 +31774,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentSigned_1new(JNIEn
 
 static inline uintptr_t CommitmentSigned_clone_ptr(LDKCommitmentSigned *NONNULL_PTR arg) {
        LDKCommitmentSigned ret_var = CommitmentSigned_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31784,12 +31784,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CommitmentSigned_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentSigned_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCommitmentSigned arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = CommitmentSigned_clone_ptr(&arg_conv);
+       int64_t ret_val = CommitmentSigned_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -31799,7 +31799,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentSigned_1clone(JNI
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKCommitmentSigned ret_var = CommitmentSigned_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31892,7 +31892,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RevokeAndACK_1new(JNIEnv *e
        CHECK((*env)->GetArrayLength(env, next_per_commitment_point_arg) == 33);
        (*env)->GetByteArrayRegion(env, next_per_commitment_point_arg, 0, 33, next_per_commitment_point_arg_ref.compressed_form);
        LDKRevokeAndACK ret_var = RevokeAndACK_new(channel_id_arg_ref, per_commitment_secret_arg_ref, next_per_commitment_point_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31905,7 +31905,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RevokeAndACK_1new(JNIEnv *e
 
 static inline uintptr_t RevokeAndACK_clone_ptr(LDKRevokeAndACK *NONNULL_PTR arg) {
        LDKRevokeAndACK ret_var = RevokeAndACK_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31915,12 +31915,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RevokeAndACK_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RevokeAndACK_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRevokeAndACK arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = RevokeAndACK_clone_ptr(&arg_conv);
+       int64_t ret_val = RevokeAndACK_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -31930,7 +31930,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RevokeAndACK_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRevokeAndACK ret_var = RevokeAndACK_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -31992,7 +31992,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFee_1new(JNIEnv *env,
        CHECK((*env)->GetArrayLength(env, channel_id_arg) == 32);
        (*env)->GetByteArrayRegion(env, channel_id_arg, 0, 32, channel_id_arg_ref.data);
        LDKUpdateFee ret_var = UpdateFee_new(channel_id_arg_ref, feerate_per_kw_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32005,7 +32005,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFee_1new(JNIEnv *env,
 
 static inline uintptr_t UpdateFee_clone_ptr(LDKUpdateFee *NONNULL_PTR arg) {
        LDKUpdateFee ret_var = UpdateFee_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32015,12 +32015,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_UpdateFee_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFee_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKUpdateFee arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = UpdateFee_clone_ptr(&arg_conv);
+       int64_t ret_val = UpdateFee_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -32030,7 +32030,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFee_1clone(JNIEnv *en
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKUpdateFee ret_var = UpdateFee_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32099,7 +32099,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DataLossProtect_1new(JNIEnv
        CHECK((*env)->GetArrayLength(env, my_current_per_commitment_point_arg) == 33);
        (*env)->GetByteArrayRegion(env, my_current_per_commitment_point_arg, 0, 33, my_current_per_commitment_point_arg_ref.compressed_form);
        LDKDataLossProtect ret_var = DataLossProtect_new(your_last_per_commitment_secret_arg_ref, my_current_per_commitment_point_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32112,7 +32112,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DataLossProtect_1new(JNIEnv
 
 static inline uintptr_t DataLossProtect_clone_ptr(LDKDataLossProtect *NONNULL_PTR arg) {
        LDKDataLossProtect ret_var = DataLossProtect_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32122,12 +32122,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_DataLossProtect_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DataLossProtect_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKDataLossProtect arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = DataLossProtect_clone_ptr(&arg_conv);
+       int64_t ret_val = DataLossProtect_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -32137,7 +32137,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DataLossProtect_1clone(JNIE
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKDataLossProtect ret_var = DataLossProtect_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32213,7 +32213,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelReestablish_1set_1next_
 
 static inline uintptr_t ChannelReestablish_clone_ptr(LDKChannelReestablish *NONNULL_PTR arg) {
        LDKChannelReestablish ret_var = ChannelReestablish_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32223,12 +32223,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelReestablish_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelReestablish_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelReestablish arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelReestablish_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelReestablish_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -32238,7 +32238,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelReestablish_1clone(J
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelReestablish ret_var = ChannelReestablish_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32348,7 +32348,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AnnouncementSignatures_1new
        CHECK((*env)->GetArrayLength(env, bitcoin_signature_arg) == 64);
        (*env)->GetByteArrayRegion(env, bitcoin_signature_arg, 0, 64, bitcoin_signature_arg_ref.compact_form);
        LDKAnnouncementSignatures ret_var = AnnouncementSignatures_new(channel_id_arg_ref, short_channel_id_arg, node_signature_arg_ref, bitcoin_signature_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32361,7 +32361,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AnnouncementSignatures_1new
 
 static inline uintptr_t AnnouncementSignatures_clone_ptr(LDKAnnouncementSignatures *NONNULL_PTR arg) {
        LDKAnnouncementSignatures ret_var = AnnouncementSignatures_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32371,12 +32371,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_AnnouncementSignatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AnnouncementSignatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKAnnouncementSignatures arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = AnnouncementSignatures_clone_ptr(&arg_conv);
+       int64_t ret_val = AnnouncementSignatures_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -32386,7 +32386,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AnnouncementSignatures_1clo
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKAnnouncementSignatures ret_var = AnnouncementSignatures_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32409,12 +32409,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetAddress_1free(JNIEnv *env,
 static inline uintptr_t NetAddress_clone_ptr(LDKNetAddress *NONNULL_PTR arg) {
        LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
        *ret_copy = NetAddress_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKNetAddress* arg_conv = (LDKNetAddress*)arg;
-       intptr_t ret_val = NetAddress_clone_ptr(arg_conv);
+       int64_t ret_val = NetAddress_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -32422,7 +32422,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1clone(JNIEnv *e
        LDKNetAddress* orig_conv = (LDKNetAddress*)orig;
        LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
        *ret_copy = NetAddress_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -32432,7 +32432,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1ipv4(JNIEnv *en
        (*env)->GetByteArrayRegion(env, addr, 0, 4, addr_ref.data);
        LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
        *ret_copy = NetAddress_ipv4(addr_ref, port);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -32442,7 +32442,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1ipv6(JNIEnv *en
        (*env)->GetByteArrayRegion(env, addr, 0, 16, addr_ref.data);
        LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
        *ret_copy = NetAddress_ipv6(addr_ref, port);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -32452,7 +32452,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1onion_1v2(JNIEn
        (*env)->GetByteArrayRegion(env, a, 0, 12, a_ref.data);
        LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
        *ret_copy = NetAddress_onion_v2(a_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -32462,7 +32462,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1onion_1v3(JNIEn
        (*env)->GetByteArrayRegion(env, ed25519_pubkey, 0, 32, ed25519_pubkey_ref.data);
        LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
        *ret_copy = NetAddress_onion_v3(ed25519_pubkey_ref, checksum, version, port);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -32482,7 +32482,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1read(JNIEnv *en
        LDKCResult_NetAddressDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetAddressDecodeErrorZ), "LDKCResult_NetAddressDecodeErrorZ");
        *ret_conv = NetAddress_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_UnsignedNodeAnnouncement_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -32499,7 +32499,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedNodeAnnouncement_1g
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKNodeFeatures ret_var = UnsignedNodeAnnouncement_get_features(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32629,7 +32629,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_UnsignedNodeAnnouncement_1set_
 
 static inline uintptr_t UnsignedNodeAnnouncement_clone_ptr(LDKUnsignedNodeAnnouncement *NONNULL_PTR arg) {
        LDKUnsignedNodeAnnouncement ret_var = UnsignedNodeAnnouncement_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32639,12 +32639,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_UnsignedNodeAnnouncement_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedNodeAnnouncement_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKUnsignedNodeAnnouncement arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = UnsignedNodeAnnouncement_clone_ptr(&arg_conv);
+       int64_t ret_val = UnsignedNodeAnnouncement_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -32654,7 +32654,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedNodeAnnouncement_1c
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKUnsignedNodeAnnouncement ret_var = UnsignedNodeAnnouncement_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32700,7 +32700,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncement_1get_1cont
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKUnsignedNodeAnnouncement ret_var = NodeAnnouncement_get_contents(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32734,7 +32734,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncement_1new(JNIEn
        CHECK_INNER_FIELD_ACCESS_OR_NULL(contents_arg_conv);
        contents_arg_conv = UnsignedNodeAnnouncement_clone(&contents_arg_conv);
        LDKNodeAnnouncement ret_var = NodeAnnouncement_new(signature_arg_ref, contents_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32747,7 +32747,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncement_1new(JNIEn
 
 static inline uintptr_t NodeAnnouncement_clone_ptr(LDKNodeAnnouncement *NONNULL_PTR arg) {
        LDKNodeAnnouncement ret_var = NodeAnnouncement_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32757,12 +32757,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncement_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncement_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKNodeAnnouncement arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = NodeAnnouncement_clone_ptr(&arg_conv);
+       int64_t ret_val = NodeAnnouncement_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -32772,7 +32772,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncement_1clone(JNI
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKNodeAnnouncement ret_var = NodeAnnouncement_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32797,7 +32797,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedChannelAnnouncement
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelFeatures ret_var = UnsignedChannelAnnouncement_get_features(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32945,7 +32945,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_UnsignedChannelAnnouncement_1s
 
 static inline uintptr_t UnsignedChannelAnnouncement_clone_ptr(LDKUnsignedChannelAnnouncement *NONNULL_PTR arg) {
        LDKUnsignedChannelAnnouncement ret_var = UnsignedChannelAnnouncement_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -32955,12 +32955,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_UnsignedChannelAnnouncement_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedChannelAnnouncement_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKUnsignedChannelAnnouncement arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = UnsignedChannelAnnouncement_clone_ptr(&arg_conv);
+       int64_t ret_val = UnsignedChannelAnnouncement_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -32970,7 +32970,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedChannelAnnouncement
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKUnsignedChannelAnnouncement ret_var = UnsignedChannelAnnouncement_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33079,7 +33079,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelAnnouncement_1get_1c
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKUnsignedChannelAnnouncement ret_var = ChannelAnnouncement_get_contents(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33122,7 +33122,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelAnnouncement_1new(JN
        CHECK_INNER_FIELD_ACCESS_OR_NULL(contents_arg_conv);
        contents_arg_conv = UnsignedChannelAnnouncement_clone(&contents_arg_conv);
        LDKChannelAnnouncement ret_var = ChannelAnnouncement_new(node_signature_1_arg_ref, node_signature_2_arg_ref, bitcoin_signature_1_arg_ref, bitcoin_signature_2_arg_ref, contents_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33135,7 +33135,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelAnnouncement_1new(JN
 
 static inline uintptr_t ChannelAnnouncement_clone_ptr(LDKChannelAnnouncement *NONNULL_PTR arg) {
        LDKChannelAnnouncement ret_var = ChannelAnnouncement_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33145,12 +33145,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelAnnouncement_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelAnnouncement_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelAnnouncement arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelAnnouncement_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelAnnouncement_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -33160,7 +33160,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelAnnouncement_1clone(
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelAnnouncement ret_var = ChannelAnnouncement_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33321,7 +33321,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_UnsignedChannelUpdate_1set_1fe
 
 static inline uintptr_t UnsignedChannelUpdate_clone_ptr(LDKUnsignedChannelUpdate *NONNULL_PTR arg) {
        LDKUnsignedChannelUpdate ret_var = UnsignedChannelUpdate_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33331,12 +33331,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_UnsignedChannelUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedChannelUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKUnsignedChannelUpdate arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = UnsignedChannelUpdate_clone_ptr(&arg_conv);
+       int64_t ret_val = UnsignedChannelUpdate_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -33346,7 +33346,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedChannelUpdate_1clon
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKUnsignedChannelUpdate ret_var = UnsignedChannelUpdate_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33392,7 +33392,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdate_1get_1content
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKUnsignedChannelUpdate ret_var = ChannelUpdate_get_contents(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33426,7 +33426,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdate_1new(JNIEnv *
        CHECK_INNER_FIELD_ACCESS_OR_NULL(contents_arg_conv);
        contents_arg_conv = UnsignedChannelUpdate_clone(&contents_arg_conv);
        LDKChannelUpdate ret_var = ChannelUpdate_new(signature_arg_ref, contents_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33439,7 +33439,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdate_1new(JNIEnv *
 
 static inline uintptr_t ChannelUpdate_clone_ptr(LDKChannelUpdate *NONNULL_PTR arg) {
        LDKChannelUpdate ret_var = ChannelUpdate_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33449,12 +33449,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelUpdate arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelUpdate_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelUpdate_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -33464,7 +33464,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdate_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelUpdate ret_var = ChannelUpdate_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33543,7 +33543,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryChannelRange_1new(JNIE
        CHECK((*env)->GetArrayLength(env, chain_hash_arg) == 32);
        (*env)->GetByteArrayRegion(env, chain_hash_arg, 0, 32, chain_hash_arg_ref.data);
        LDKQueryChannelRange ret_var = QueryChannelRange_new(chain_hash_arg_ref, first_blocknum_arg, number_of_blocks_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33556,7 +33556,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryChannelRange_1new(JNIE
 
 static inline uintptr_t QueryChannelRange_clone_ptr(LDKQueryChannelRange *NONNULL_PTR arg) {
        LDKQueryChannelRange ret_var = QueryChannelRange_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33566,12 +33566,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_QueryChannelRange_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryChannelRange_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKQueryChannelRange arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = QueryChannelRange_clone_ptr(&arg_conv);
+       int64_t ret_val = QueryChannelRange_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -33581,7 +33581,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryChannelRange_1clone(JN
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKQueryChannelRange ret_var = QueryChannelRange_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33709,7 +33709,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyChannelRange_1new(JNIE
        }
        (*env)->ReleaseLongArrayElements(env, short_channel_ids_arg, short_channel_ids_arg_vals, 0);
        LDKReplyChannelRange ret_var = ReplyChannelRange_new(chain_hash_arg_ref, first_blocknum_arg, number_of_blocks_arg, sync_complete_arg, short_channel_ids_arg_constr);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33722,7 +33722,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyChannelRange_1new(JNIE
 
 static inline uintptr_t ReplyChannelRange_clone_ptr(LDKReplyChannelRange *NONNULL_PTR arg) {
        LDKReplyChannelRange ret_var = ReplyChannelRange_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33732,12 +33732,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ReplyChannelRange_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyChannelRange_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKReplyChannelRange arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ReplyChannelRange_clone_ptr(&arg_conv);
+       int64_t ret_val = ReplyChannelRange_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -33747,7 +33747,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyChannelRange_1clone(JN
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKReplyChannelRange ret_var = ReplyChannelRange_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33824,7 +33824,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryShortChannelIds_1new(J
        }
        (*env)->ReleaseLongArrayElements(env, short_channel_ids_arg, short_channel_ids_arg_vals, 0);
        LDKQueryShortChannelIds ret_var = QueryShortChannelIds_new(chain_hash_arg_ref, short_channel_ids_arg_constr);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33837,7 +33837,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryShortChannelIds_1new(J
 
 static inline uintptr_t QueryShortChannelIds_clone_ptr(LDKQueryShortChannelIds *NONNULL_PTR arg) {
        LDKQueryShortChannelIds ret_var = QueryShortChannelIds_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33847,12 +33847,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_QueryShortChannelIds_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryShortChannelIds_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKQueryShortChannelIds arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = QueryShortChannelIds_clone_ptr(&arg_conv);
+       int64_t ret_val = QueryShortChannelIds_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -33862,7 +33862,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryShortChannelIds_1clone
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKQueryShortChannelIds ret_var = QueryShortChannelIds_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33924,7 +33924,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyShortChannelIdsEnd_1ne
        CHECK((*env)->GetArrayLength(env, chain_hash_arg) == 32);
        (*env)->GetByteArrayRegion(env, chain_hash_arg, 0, 32, chain_hash_arg_ref.data);
        LDKReplyShortChannelIdsEnd ret_var = ReplyShortChannelIdsEnd_new(chain_hash_arg_ref, full_information_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33937,7 +33937,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyShortChannelIdsEnd_1ne
 
 static inline uintptr_t ReplyShortChannelIdsEnd_clone_ptr(LDKReplyShortChannelIdsEnd *NONNULL_PTR arg) {
        LDKReplyShortChannelIdsEnd ret_var = ReplyShortChannelIdsEnd_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -33947,12 +33947,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ReplyShortChannelIdsEnd_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyShortChannelIdsEnd_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKReplyShortChannelIdsEnd arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ReplyShortChannelIdsEnd_clone_ptr(&arg_conv);
+       int64_t ret_val = ReplyShortChannelIdsEnd_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -33962,7 +33962,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyShortChannelIdsEnd_1cl
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKReplyShortChannelIdsEnd ret_var = ReplyShortChannelIdsEnd_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34041,7 +34041,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_GossipTimestampFilter_1new(
        CHECK((*env)->GetArrayLength(env, chain_hash_arg) == 32);
        (*env)->GetByteArrayRegion(env, chain_hash_arg, 0, 32, chain_hash_arg_ref.data);
        LDKGossipTimestampFilter ret_var = GossipTimestampFilter_new(chain_hash_arg_ref, first_timestamp_arg, timestamp_range_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34054,7 +34054,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_GossipTimestampFilter_1new(
 
 static inline uintptr_t GossipTimestampFilter_clone_ptr(LDKGossipTimestampFilter *NONNULL_PTR arg) {
        LDKGossipTimestampFilter ret_var = GossipTimestampFilter_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34064,12 +34064,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_GossipTimestampFilter_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_GossipTimestampFilter_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKGossipTimestampFilter arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = GossipTimestampFilter_clone_ptr(&arg_conv);
+       int64_t ret_val = GossipTimestampFilter_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -34079,7 +34079,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_GossipTimestampFilter_1clon
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKGossipTimestampFilter ret_var = GossipTimestampFilter_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34102,12 +34102,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ErrorAction_1free(JNIEnv *env,
 static inline uintptr_t ErrorAction_clone_ptr(LDKErrorAction *NONNULL_PTR arg) {
        LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
        *ret_copy = ErrorAction_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKErrorAction* arg_conv = (LDKErrorAction*)arg;
-       intptr_t ret_val = ErrorAction_clone_ptr(arg_conv);
+       int64_t ret_val = ErrorAction_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -34115,7 +34115,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1clone(JNIEnv *
        LDKErrorAction* orig_conv = (LDKErrorAction*)orig;
        LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
        *ret_copy = ErrorAction_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -34127,14 +34127,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1disconnect_1pe
        msg_conv = ErrorMessage_clone(&msg_conv);
        LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
        *ret_copy = ErrorAction_disconnect_peer(msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1ignore_1error(JNIEnv *env, jclass clz) {
        LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
        *ret_copy = ErrorAction_ignore_error();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -34142,14 +34142,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1ignore_1and_1l
        LDKLevel a_conv = LDKLevel_from_java(env, a);
        LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
        *ret_copy = ErrorAction_ignore_and_log(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1ignore_1duplicate_1gossip(JNIEnv *env, jclass clz) {
        LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
        *ret_copy = ErrorAction_ignore_duplicate_gossip();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -34161,7 +34161,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1send_1error_1m
        msg_conv = ErrorMessage_clone(&msg_conv);
        LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
        *ret_copy = ErrorAction_send_error_message(msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -34174,7 +34174,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1send_1warning_
        LDKLevel log_level_conv = LDKLevel_from_java(env, log_level);
        LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
        *ret_copy = ErrorAction_send_warning_message(msg_conv, log_level_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -34213,7 +34213,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LightningError_1get_1action
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
        *ret_copy = LightningError_get_action(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -34236,7 +34236,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LightningError_1new(JNIEnv
        LDKErrorAction action_arg_conv = *(LDKErrorAction*)(action_arg_ptr);
        action_arg_conv = ErrorAction_clone((LDKErrorAction*)(((uintptr_t)action_arg) & ~1));
        LDKLightningError ret_var = LightningError_new(err_arg_conv, action_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34249,7 +34249,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LightningError_1new(JNIEnv
 
 static inline uintptr_t LightningError_clone_ptr(LDKLightningError *NONNULL_PTR arg) {
        LDKLightningError ret_var = LightningError_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34259,12 +34259,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_LightningError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LightningError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKLightningError arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = LightningError_clone_ptr(&arg_conv);
+       int64_t ret_val = LightningError_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -34274,7 +34274,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LightningError_1clone(JNIEn
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKLightningError ret_var = LightningError_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34304,7 +34304,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1get_
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t p = 0; p < ret_var.datalen; p++) {
                LDKUpdateAddHTLC ret_conv_15_var = ret_var.data[p];
-               uintptr_t ret_conv_15_ref = 0;
+               int64_t ret_conv_15_ref = 0;
                CHECK((((uintptr_t)ret_conv_15_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_15_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_15_var);
@@ -34355,7 +34355,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1get_
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t t = 0; t < ret_var.datalen; t++) {
                LDKUpdateFulfillHTLC ret_conv_19_var = ret_var.data[t];
-               uintptr_t ret_conv_19_ref = 0;
+               int64_t ret_conv_19_ref = 0;
                CHECK((((uintptr_t)ret_conv_19_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_19_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_19_var);
@@ -34406,7 +34406,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1get_
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t q = 0; q < ret_var.datalen; q++) {
                LDKUpdateFailHTLC ret_conv_16_var = ret_var.data[q];
-               uintptr_t ret_conv_16_ref = 0;
+               int64_t ret_conv_16_ref = 0;
                CHECK((((uintptr_t)ret_conv_16_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_16_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_16_var);
@@ -34457,7 +34457,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1get_
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t z = 0; z < ret_var.datalen; z++) {
                LDKUpdateFailMalformedHTLC ret_conv_25_var = ret_var.data[z];
-               uintptr_t ret_conv_25_ref = 0;
+               int64_t ret_conv_25_ref = 0;
                CHECK((((uintptr_t)ret_conv_25_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_25_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_25_var);
@@ -34503,7 +34503,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1get_1upda
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKUpdateFee ret_var = CommitmentUpdate_get_update_fee(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -34535,7 +34535,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1get_1comm
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCommitmentSigned ret_var = CommitmentUpdate_get_commitment_signed(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34639,7 +34639,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1new(JNIEn
        CHECK_INNER_FIELD_ACCESS_OR_NULL(commitment_signed_arg_conv);
        commitment_signed_arg_conv = CommitmentSigned_clone(&commitment_signed_arg_conv);
        LDKCommitmentUpdate ret_var = CommitmentUpdate_new(update_add_htlcs_arg_constr, update_fulfill_htlcs_arg_constr, update_fail_htlcs_arg_constr, update_fail_malformed_htlcs_arg_constr, update_fee_arg_conv, commitment_signed_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34652,7 +34652,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1new(JNIEn
 
 static inline uintptr_t CommitmentUpdate_clone_ptr(LDKCommitmentUpdate *NONNULL_PTR arg) {
        LDKCommitmentUpdate ret_var = CommitmentUpdate_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34662,12 +34662,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCommitmentUpdate arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = CommitmentUpdate_clone_ptr(&arg_conv);
+       int64_t ret_val = CommitmentUpdate_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -34677,7 +34677,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1clone(JNI
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKCommitmentUpdate ret_var = CommitmentUpdate_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -34725,7 +34725,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AcceptChannel_1read(JNIEnv
        LDKCResult_AcceptChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AcceptChannelDecodeErrorZ), "LDKCResult_AcceptChannelDecodeErrorZ");
        *ret_conv = AcceptChannel_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_AnnouncementSignatures_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34747,7 +34747,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AnnouncementSignatures_1rea
        LDKCResult_AnnouncementSignaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_AnnouncementSignaturesDecodeErrorZ), "LDKCResult_AnnouncementSignaturesDecodeErrorZ");
        *ret_conv = AnnouncementSignatures_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ChannelReestablish_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34769,7 +34769,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelReestablish_1read(JN
        LDKCResult_ChannelReestablishDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelReestablishDecodeErrorZ), "LDKCResult_ChannelReestablishDecodeErrorZ");
        *ret_conv = ChannelReestablish_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ClosingSigned_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34791,7 +34791,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSigned_1read(JNIEnv
        LDKCResult_ClosingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedDecodeErrorZ), "LDKCResult_ClosingSignedDecodeErrorZ");
        *ret_conv = ClosingSigned_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ClosingSignedFeeRange_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34813,7 +34813,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingSignedFeeRange_1read
        LDKCResult_ClosingSignedFeeRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ), "LDKCResult_ClosingSignedFeeRangeDecodeErrorZ");
        *ret_conv = ClosingSignedFeeRange_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_CommitmentSigned_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34835,7 +34835,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentSigned_1read(JNIE
        LDKCResult_CommitmentSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentSignedDecodeErrorZ), "LDKCResult_CommitmentSignedDecodeErrorZ");
        *ret_conv = CommitmentSigned_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_FundingCreated_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34857,7 +34857,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingCreated_1read(JNIEnv
        LDKCResult_FundingCreatedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingCreatedDecodeErrorZ), "LDKCResult_FundingCreatedDecodeErrorZ");
        *ret_conv = FundingCreated_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_FundingSigned_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34879,7 +34879,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingSigned_1read(JNIEnv
        LDKCResult_FundingSignedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingSignedDecodeErrorZ), "LDKCResult_FundingSignedDecodeErrorZ");
        *ret_conv = FundingSigned_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_FundingLocked_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34901,7 +34901,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FundingLocked_1read(JNIEnv
        LDKCResult_FundingLockedDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FundingLockedDecodeErrorZ), "LDKCResult_FundingLockedDecodeErrorZ");
        *ret_conv = FundingLocked_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Init_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34923,7 +34923,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Init_1read(JNIEnv *env, jcl
        LDKCResult_InitDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InitDecodeErrorZ), "LDKCResult_InitDecodeErrorZ");
        *ret_conv = Init_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_OpenChannel_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34945,7 +34945,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_OpenChannel_1read(JNIEnv *e
        LDKCResult_OpenChannelDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_OpenChannelDecodeErrorZ), "LDKCResult_OpenChannelDecodeErrorZ");
        *ret_conv = OpenChannel_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_RevokeAndACK_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34967,7 +34967,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RevokeAndACK_1read(JNIEnv *
        LDKCResult_RevokeAndACKDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RevokeAndACKDecodeErrorZ), "LDKCResult_RevokeAndACKDecodeErrorZ");
        *ret_conv = RevokeAndACK_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Shutdown_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -34989,7 +34989,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Shutdown_1read(JNIEnv *env,
        LDKCResult_ShutdownDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownDecodeErrorZ), "LDKCResult_ShutdownDecodeErrorZ");
        *ret_conv = Shutdown_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_UpdateFailHTLC_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35011,7 +35011,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFailHTLC_1read(JNIEnv
        LDKCResult_UpdateFailHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailHTLCDecodeErrorZ), "LDKCResult_UpdateFailHTLCDecodeErrorZ");
        *ret_conv = UpdateFailHTLC_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_UpdateFailMalformedHTLC_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35033,7 +35033,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFailMalformedHTLC_1re
        LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ), "LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ");
        *ret_conv = UpdateFailMalformedHTLC_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_UpdateFee_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35055,7 +35055,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFee_1read(JNIEnv *env
        LDKCResult_UpdateFeeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFeeDecodeErrorZ), "LDKCResult_UpdateFeeDecodeErrorZ");
        *ret_conv = UpdateFee_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_UpdateFulfillHTLC_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35077,7 +35077,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateFulfillHTLC_1read(JNI
        LDKCResult_UpdateFulfillHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateFulfillHTLCDecodeErrorZ), "LDKCResult_UpdateFulfillHTLCDecodeErrorZ");
        *ret_conv = UpdateFulfillHTLC_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_UpdateAddHTLC_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35099,7 +35099,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UpdateAddHTLC_1read(JNIEnv
        LDKCResult_UpdateAddHTLCDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UpdateAddHTLCDecodeErrorZ), "LDKCResult_UpdateAddHTLCDecodeErrorZ");
        *ret_conv = UpdateAddHTLC_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Ping_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35121,7 +35121,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Ping_1read(JNIEnv *env, jcl
        LDKCResult_PingDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PingDecodeErrorZ), "LDKCResult_PingDecodeErrorZ");
        *ret_conv = Ping_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Pong_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35143,7 +35143,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Pong_1read(JNIEnv *env, jcl
        LDKCResult_PongDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PongDecodeErrorZ), "LDKCResult_PongDecodeErrorZ");
        *ret_conv = Pong_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_UnsignedChannelAnnouncement_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35165,7 +35165,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedChannelAnnouncement
        LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ), "LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ");
        *ret_conv = UnsignedChannelAnnouncement_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ChannelAnnouncement_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35187,7 +35187,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelAnnouncement_1read(J
        LDKCResult_ChannelAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelAnnouncementDecodeErrorZ), "LDKCResult_ChannelAnnouncementDecodeErrorZ");
        *ret_conv = ChannelAnnouncement_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_UnsignedChannelUpdate_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35209,7 +35209,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedChannelUpdate_1read
        LDKCResult_UnsignedChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedChannelUpdateDecodeErrorZ), "LDKCResult_UnsignedChannelUpdateDecodeErrorZ");
        *ret_conv = UnsignedChannelUpdate_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ChannelUpdate_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35231,7 +35231,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdate_1read(JNIEnv
        LDKCResult_ChannelUpdateDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateDecodeErrorZ), "LDKCResult_ChannelUpdateDecodeErrorZ");
        *ret_conv = ChannelUpdate_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ErrorMessage_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35253,7 +35253,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorMessage_1read(JNIEnv *
        LDKCResult_ErrorMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ErrorMessageDecodeErrorZ), "LDKCResult_ErrorMessageDecodeErrorZ");
        *ret_conv = ErrorMessage_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_WarningMessage_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35275,7 +35275,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WarningMessage_1read(JNIEnv
        LDKCResult_WarningMessageDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_WarningMessageDecodeErrorZ), "LDKCResult_WarningMessageDecodeErrorZ");
        *ret_conv = WarningMessage_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_UnsignedNodeAnnouncement_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35297,7 +35297,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_UnsignedNodeAnnouncement_1r
        LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ), "LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ");
        *ret_conv = UnsignedNodeAnnouncement_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_NodeAnnouncement_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35319,7 +35319,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncement_1read(JNIE
        LDKCResult_NodeAnnouncementDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementDecodeErrorZ), "LDKCResult_NodeAnnouncementDecodeErrorZ");
        *ret_conv = NodeAnnouncement_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryShortChannelIds_1read(JNIEnv *env, jclass clz, int8_tArray ser) {
@@ -35329,7 +35329,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryShortChannelIds_1read(
        LDKCResult_QueryShortChannelIdsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryShortChannelIdsDecodeErrorZ), "LDKCResult_QueryShortChannelIdsDecodeErrorZ");
        *ret_conv = QueryShortChannelIds_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_QueryShortChannelIds_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35363,7 +35363,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyShortChannelIdsEnd_1re
        LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ), "LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ");
        *ret_conv = ReplyShortChannelIdsEnd_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int32_t JNICALL Java_org_ldk_impl_bindings_QueryChannelRange_1end_1blocknum(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -35394,7 +35394,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_QueryChannelRange_1read(JNI
        LDKCResult_QueryChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_QueryChannelRangeDecodeErrorZ), "LDKCResult_QueryChannelRangeDecodeErrorZ");
        *ret_conv = QueryChannelRange_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyChannelRange_1read(JNIEnv *env, jclass clz, int8_tArray ser) {
@@ -35404,7 +35404,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReplyChannelRange_1read(JNI
        LDKCResult_ReplyChannelRangeDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ReplyChannelRangeDecodeErrorZ), "LDKCResult_ReplyChannelRangeDecodeErrorZ");
        *ret_conv = ReplyChannelRange_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ReplyChannelRange_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -35438,7 +35438,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_GossipTimestampFilter_1read
        LDKCResult_GossipTimestampFilterDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_GossipTimestampFilterDecodeErrorZ), "LDKCResult_GossipTimestampFilterDecodeErrorZ");
        *ret_conv = GossipTimestampFilter_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CustomMessageHandler_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -35460,7 +35460,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_IgnoringMessageHandler_1free(J
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_IgnoringMessageHandler_1new(JNIEnv *env, jclass clz) {
        LDKIgnoringMessageHandler ret_var = IgnoringMessageHandler_new();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -35478,7 +35478,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_IgnoringMessageHandler_1as_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKMessageSendEventsProvider* ret_ret = MALLOC(sizeof(LDKMessageSendEventsProvider), "LDKMessageSendEventsProvider");
        *ret_ret = IgnoringMessageHandler_as_MessageSendEventsProvider(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_IgnoringMessageHandler_1as_1RoutingMessageHandler(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -35488,7 +35488,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_IgnoringMessageHandler_1as_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKRoutingMessageHandler* ret_ret = MALLOC(sizeof(LDKRoutingMessageHandler), "LDKRoutingMessageHandler");
        *ret_ret = IgnoringMessageHandler_as_RoutingMessageHandler(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_IgnoringMessageHandler_1as_1CustomMessageReader(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -35498,7 +35498,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_IgnoringMessageHandler_1as_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKCustomMessageReader* ret_ret = MALLOC(sizeof(LDKCustomMessageReader), "LDKCustomMessageReader");
        *ret_ret = IgnoringMessageHandler_as_CustomMessageReader(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_IgnoringMessageHandler_1as_1CustomMessageHandler(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -35508,7 +35508,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_IgnoringMessageHandler_1as_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKCustomMessageHandler* ret_ret = MALLOC(sizeof(LDKCustomMessageHandler), "LDKCustomMessageHandler");
        *ret_ret = IgnoringMessageHandler_as_CustomMessageHandler(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ErroringMessageHandler_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -35521,7 +35521,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ErroringMessageHandler_1free(J
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErroringMessageHandler_1new(JNIEnv *env, jclass clz) {
        LDKErroringMessageHandler ret_var = ErroringMessageHandler_new();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -35539,7 +35539,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErroringMessageHandler_1as_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKMessageSendEventsProvider* ret_ret = MALLOC(sizeof(LDKMessageSendEventsProvider), "LDKMessageSendEventsProvider");
        *ret_ret = ErroringMessageHandler_as_MessageSendEventsProvider(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErroringMessageHandler_1as_1ChannelMessageHandler(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -35549,7 +35549,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErroringMessageHandler_1as_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKChannelMessageHandler* ret_ret = MALLOC(sizeof(LDKChannelMessageHandler), "LDKChannelMessageHandler");
        *ret_ret = ErroringMessageHandler_as_ChannelMessageHandler(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageHandler_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -35566,7 +35566,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageHandler_1get_1chan_1
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        // WARNING: This object doesn't live past this scope, needs clone!
-       uintptr_t ret_ret = ((uintptr_t)MessageHandler_get_chan_handler(&this_ptr_conv)) | 1;
+       int64_t ret_ret = ((uintptr_t)MessageHandler_get_chan_handler(&this_ptr_conv)) | 1;
        return ret_ret;
 }
 
@@ -35591,7 +35591,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageHandler_1get_1route_
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        // WARNING: This object doesn't live past this scope, needs clone!
-       uintptr_t ret_ret = ((uintptr_t)MessageHandler_get_route_handler(&this_ptr_conv)) | 1;
+       int64_t ret_ret = ((uintptr_t)MessageHandler_get_route_handler(&this_ptr_conv)) | 1;
        return ret_ret;
 }
 
@@ -35626,7 +35626,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageHandler_1new(JNIEnv
                LDKRoutingMessageHandler_JCalls_cloned(&route_handler_arg_conv);
        }
        LDKMessageHandler ret_var = MessageHandler_new(chan_handler_arg_conv, route_handler_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -35640,13 +35640,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageHandler_1new(JNIEnv
 static inline uintptr_t SocketDescriptor_clone_ptr(LDKSocketDescriptor *NONNULL_PTR arg) {
        LDKSocketDescriptor* ret_ret = MALLOC(sizeof(LDKSocketDescriptor), "LDKSocketDescriptor");
        *ret_ret = SocketDescriptor_clone(arg);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        void* arg_ptr = (void*)(((uintptr_t)arg) & ~1);
        if (!(arg & 1)) { CHECK_ACCESS(arg_ptr); }
        LDKSocketDescriptor* arg_conv = (LDKSocketDescriptor*)arg_ptr;
-       intptr_t ret_val = SocketDescriptor_clone_ptr(arg_conv);
+       int64_t ret_val = SocketDescriptor_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -35656,7 +35656,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1clone(JNI
        LDKSocketDescriptor* orig_conv = (LDKSocketDescriptor*)orig_ptr;
        LDKSocketDescriptor* ret_ret = MALLOC(sizeof(LDKSocketDescriptor), "LDKSocketDescriptor");
        *ret_ret = SocketDescriptor_clone(orig_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -35695,7 +35695,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PeerHandleError_1set_1no_1conn
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerHandleError_1new(JNIEnv *env, jclass clz, jboolean no_connection_possible_arg) {
        LDKPeerHandleError ret_var = PeerHandleError_new(no_connection_possible_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -35708,7 +35708,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerHandleError_1new(JNIEnv
 
 static inline uintptr_t PeerHandleError_clone_ptr(LDKPeerHandleError *NONNULL_PTR arg) {
        LDKPeerHandleError ret_var = PeerHandleError_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -35718,12 +35718,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_PeerHandleError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerHandleError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPeerHandleError arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = PeerHandleError_clone_ptr(&arg_conv);
+       int64_t ret_val = PeerHandleError_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -35733,7 +35733,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerHandleError_1clone(JNIE
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKPeerHandleError ret_var = PeerHandleError_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -35780,7 +35780,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new(JNIEnv *en
                LDKCustomMessageHandler_JCalls_cloned(&custom_message_handler_conv);
        }
        LDKPeerManager ret_var = PeerManager_new(message_handler_conv, our_node_secret_ref, ephemeral_random_data_ref, logger_conv, custom_message_handler_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -35827,7 +35827,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new_1outbound_
        }
        LDKCResult_CVec_u8ZPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_u8ZPeerHandleErrorZ), "LDKCResult_CVec_u8ZPeerHandleErrorZ");
        *ret_conv = PeerManager_new_outbound_connection(&this_arg_conv, their_node_id_ref, descriptor_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new_1inbound_1connection(JNIEnv *env, jclass clz, int64_t this_arg, int64_t descriptor) {
@@ -35844,7 +35844,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new_1inbound_1
        }
        LDKCResult_NonePeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePeerHandleErrorZ), "LDKCResult_NonePeerHandleErrorZ");
        *ret_conv = PeerManager_new_inbound_connection(&this_arg_conv, descriptor_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1write_1buffer_1space_1avail(JNIEnv *env, jclass clz, int64_t this_arg, int64_t descriptor) {
@@ -35857,7 +35857,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1write_1buffer_
        LDKSocketDescriptor* descriptor_conv = (LDKSocketDescriptor*)descriptor_ptr;
        LDKCResult_NonePeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePeerHandleErrorZ), "LDKCResult_NonePeerHandleErrorZ");
        *ret_conv = PeerManager_write_buffer_space_avail(&this_arg_conv, descriptor_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1read_1event(JNIEnv *env, jclass clz, int64_t this_arg, int64_t peer_descriptor, int8_tArray data) {
@@ -35874,7 +35874,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1read_1event(JN
        LDKCResult_boolPeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_boolPeerHandleErrorZ), "LDKCResult_boolPeerHandleErrorZ");
        *ret_conv = PeerManager_read_event(&this_arg_conv, peer_descriptor_conv, data_ref);
        (*env)->ReleaseByteArrayElements(env, data, (int8_t*)data_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PeerManager_1process_1events(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -35974,7 +35974,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CounterpartyCommitmentSecrets_
 
 static inline uintptr_t CounterpartyCommitmentSecrets_clone_ptr(LDKCounterpartyCommitmentSecrets *NONNULL_PTR arg) {
        LDKCounterpartyCommitmentSecrets ret_var = CounterpartyCommitmentSecrets_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -35984,12 +35984,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CounterpartyCommitmentSecrets_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyCommitmentSecrets_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCounterpartyCommitmentSecrets arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = CounterpartyCommitmentSecrets_clone_ptr(&arg_conv);
+       int64_t ret_val = CounterpartyCommitmentSecrets_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -35999,7 +35999,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyCommitmentSecre
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKCounterpartyCommitmentSecrets ret_var = CounterpartyCommitmentSecrets_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36012,7 +36012,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyCommitmentSecre
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyCommitmentSecrets_1new(JNIEnv *env, jclass clz) {
        LDKCounterpartyCommitmentSecrets ret_var = CounterpartyCommitmentSecrets_new();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36042,7 +36042,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyCommitmentSecre
        (*env)->GetByteArrayRegion(env, secret, 0, 32, secret_ref.data);
        LDKCResult_NoneNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneNoneZ), "LDKCResult_NoneNoneZ");
        *ret_conv = CounterpartyCommitmentSecrets_provide_secret(&this_arg_conv, idx, secret_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_CounterpartyCommitmentSecrets_1get_1secret(JNIEnv *env, jclass clz, int64_t this_arg, int64_t idx) {
@@ -36074,7 +36074,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyCommitmentSecre
        LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ), "LDKCResult_CounterpartyCommitmentSecretsDecodeErrorZ");
        *ret_conv = CounterpartyCommitmentSecrets_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_derive_1private_1key(JNIEnv *env, jclass clz, int8_tArray per_commitment_point, int8_tArray base_secret) {
@@ -36087,7 +36087,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_derive_1private_1key(JNIEnv
        unsigned char (*base_secret_ref)[32] = &base_secret_arr;
        LDKCResult_SecretKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyErrorZ), "LDKCResult_SecretKeyErrorZ");
        *ret_conv = derive_private_key(per_commitment_point_ref, base_secret_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_derive_1public_1key(JNIEnv *env, jclass clz, int8_tArray per_commitment_point, int8_tArray base_point) {
@@ -36099,7 +36099,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_derive_1public_1key(JNIEnv
        (*env)->GetByteArrayRegion(env, base_point, 0, 33, base_point_ref.compressed_form);
        LDKCResult_PublicKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PublicKeyErrorZ), "LDKCResult_PublicKeyErrorZ");
        *ret_conv = derive_public_key(per_commitment_point_ref, base_point_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_derive_1private_1revocation_1key(JNIEnv *env, jclass clz, int8_tArray per_commitment_secret, int8_tArray countersignatory_revocation_base_secret) {
@@ -36113,7 +36113,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_derive_1private_1revocation
        unsigned char (*countersignatory_revocation_base_secret_ref)[32] = &countersignatory_revocation_base_secret_arr;
        LDKCResult_SecretKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SecretKeyErrorZ), "LDKCResult_SecretKeyErrorZ");
        *ret_conv = derive_private_revocation_key(per_commitment_secret_ref, countersignatory_revocation_base_secret_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_derive_1public_1revocation_1key(JNIEnv *env, jclass clz, int8_tArray per_commitment_point, int8_tArray countersignatory_revocation_base_point) {
@@ -36125,7 +36125,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_derive_1public_1revocation_
        (*env)->GetByteArrayRegion(env, countersignatory_revocation_base_point, 0, 33, countersignatory_revocation_base_point_ref.compressed_form);
        LDKCResult_PublicKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PublicKeyErrorZ), "LDKCResult_PublicKeyErrorZ");
        *ret_conv = derive_public_revocation_key(per_commitment_point_ref, countersignatory_revocation_base_point_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -36258,7 +36258,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1new(JNIEnv
        CHECK((*env)->GetArrayLength(env, broadcaster_delayed_payment_key_arg) == 33);
        (*env)->GetByteArrayRegion(env, broadcaster_delayed_payment_key_arg, 0, 33, broadcaster_delayed_payment_key_arg_ref.compressed_form);
        LDKTxCreationKeys ret_var = TxCreationKeys_new(per_commitment_point_arg_ref, revocation_key_arg_ref, broadcaster_htlc_key_arg_ref, countersignatory_htlc_key_arg_ref, broadcaster_delayed_payment_key_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36271,7 +36271,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1new(JNIEnv
 
 static inline uintptr_t TxCreationKeys_clone_ptr(LDKTxCreationKeys *NONNULL_PTR arg) {
        LDKTxCreationKeys ret_var = TxCreationKeys_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36281,12 +36281,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKTxCreationKeys arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = TxCreationKeys_clone_ptr(&arg_conv);
+       int64_t ret_val = TxCreationKeys_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -36296,7 +36296,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1clone(JNIEn
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKTxCreationKeys ret_var = TxCreationKeys_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36326,7 +36326,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1read(JNIEnv
        LDKCResult_TxCreationKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysDecodeErrorZ), "LDKCResult_TxCreationKeysDecodeErrorZ");
        *ret_conv = TxCreationKeys_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelPublicKeys_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -36459,7 +36459,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelPublicKeys_1new(JNIE
        CHECK((*env)->GetArrayLength(env, htlc_basepoint_arg) == 33);
        (*env)->GetByteArrayRegion(env, htlc_basepoint_arg, 0, 33, htlc_basepoint_arg_ref.compressed_form);
        LDKChannelPublicKeys ret_var = ChannelPublicKeys_new(funding_pubkey_arg_ref, revocation_basepoint_arg_ref, payment_point_arg_ref, delayed_payment_basepoint_arg_ref, htlc_basepoint_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36472,7 +36472,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelPublicKeys_1new(JNIE
 
 static inline uintptr_t ChannelPublicKeys_clone_ptr(LDKChannelPublicKeys *NONNULL_PTR arg) {
        LDKChannelPublicKeys ret_var = ChannelPublicKeys_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36482,12 +36482,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelPublicKeys_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelPublicKeys_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelPublicKeys arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelPublicKeys_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelPublicKeys_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -36497,7 +36497,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelPublicKeys_1clone(JN
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelPublicKeys ret_var = ChannelPublicKeys_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36527,7 +36527,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelPublicKeys_1read(JNI
        LDKCResult_ChannelPublicKeysDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelPublicKeysDecodeErrorZ), "LDKCResult_ChannelPublicKeysDecodeErrorZ");
        *ret_conv = ChannelPublicKeys_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1derive_1new(JNIEnv *env, jclass clz, int8_tArray per_commitment_point, int8_tArray broadcaster_delayed_payment_base, int8_tArray broadcaster_htlc_base, int8_tArray countersignatory_revocation_base, int8_tArray countersignatory_htlc_base) {
@@ -36548,7 +36548,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1derive_1new
        (*env)->GetByteArrayRegion(env, countersignatory_htlc_base, 0, 33, countersignatory_htlc_base_ref.compressed_form);
        LDKCResult_TxCreationKeysErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysErrorZ), "LDKCResult_TxCreationKeysErrorZ");
        *ret_conv = TxCreationKeys_derive_new(per_commitment_point_ref, broadcaster_delayed_payment_base_ref, broadcaster_htlc_base_ref, countersignatory_revocation_base_ref, countersignatory_htlc_base_ref);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1from_1channel_1static_1keys(JNIEnv *env, jclass clz, int8_tArray per_commitment_point, int64_t broadcaster_keys, int64_t countersignatory_keys) {
@@ -36565,7 +36565,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxCreationKeys_1from_1chann
        CHECK_INNER_FIELD_ACCESS_OR_NULL(countersignatory_keys_conv);
        LDKCResult_TxCreationKeysErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxCreationKeysErrorZ), "LDKCResult_TxCreationKeysErrorZ");
        *ret_conv = TxCreationKeys_from_channel_static_keys(per_commitment_point_ref, &broadcaster_keys_conv, &countersignatory_keys_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_get_1revokeable_1redeemscript(JNIEnv *env, jclass clz, int8_tArray revocation_key, int16_t contest_delay, int8_tArray broadcaster_delayed_payment_key) {
@@ -36669,7 +36669,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCOutputInCommitment_1get
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u32Z *ret_copy = MALLOC(sizeof(LDKCOption_u32Z), "LDKCOption_u32Z");
        *ret_copy = HTLCOutputInCommitment_get_transaction_output_index(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -36694,7 +36694,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCOutputInCommitment_1new
        LDKCOption_u32Z transaction_output_index_arg_conv = *(LDKCOption_u32Z*)(transaction_output_index_arg_ptr);
        transaction_output_index_arg_conv = COption_u32Z_clone((LDKCOption_u32Z*)(((uintptr_t)transaction_output_index_arg) & ~1));
        LDKHTLCOutputInCommitment ret_var = HTLCOutputInCommitment_new(offered_arg, amount_msat_arg, cltv_expiry_arg, payment_hash_arg_ref, transaction_output_index_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36707,7 +36707,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCOutputInCommitment_1new
 
 static inline uintptr_t HTLCOutputInCommitment_clone_ptr(LDKHTLCOutputInCommitment *NONNULL_PTR arg) {
        LDKHTLCOutputInCommitment ret_var = HTLCOutputInCommitment_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36717,12 +36717,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_HTLCOutputInCommitment_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCOutputInCommitment_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKHTLCOutputInCommitment arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = HTLCOutputInCommitment_clone_ptr(&arg_conv);
+       int64_t ret_val = HTLCOutputInCommitment_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -36732,7 +36732,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCOutputInCommitment_1clo
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKHTLCOutputInCommitment ret_var = HTLCOutputInCommitment_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36762,7 +36762,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCOutputInCommitment_1rea
        LDKCResult_HTLCOutputInCommitmentDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ), "LDKCResult_HTLCOutputInCommitmentDecodeErrorZ");
        *ret_conv = HTLCOutputInCommitment_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_get_1htlc_1redeemscript(JNIEnv *env, jclass clz, int64_t htlc, jboolean opt_anchors, int64_t keys) {
@@ -36842,7 +36842,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameter
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelPublicKeys ret_var = ChannelTransactionParameters_get_holder_pubkeys(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -36906,7 +36906,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameter
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCounterpartyChannelTransactionParameters ret_var = ChannelTransactionParameters_get_counterparty_parameters(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -36938,7 +36938,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameter
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKOutPoint ret_var = ChannelTransactionParameters_get_funding_outpoint(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -37000,7 +37000,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameter
        funding_outpoint_arg_conv = OutPoint_clone(&funding_outpoint_arg_conv);
        LDKCOption_NoneZ opt_anchors_arg_conv = LDKCOption_NoneZ_from_java(env, opt_anchors_arg);
        LDKChannelTransactionParameters ret_var = ChannelTransactionParameters_new(holder_pubkeys_arg_conv, holder_selected_contest_delay_arg, is_outbound_from_holder_arg, counterparty_parameters_arg_conv, funding_outpoint_arg_conv, opt_anchors_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37013,7 +37013,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameter
 
 static inline uintptr_t ChannelTransactionParameters_clone_ptr(LDKChannelTransactionParameters *NONNULL_PTR arg) {
        LDKChannelTransactionParameters ret_var = ChannelTransactionParameters_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37023,12 +37023,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelTransactionParameters arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelTransactionParameters_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelTransactionParameters_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -37038,7 +37038,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameter
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelTransactionParameters ret_var = ChannelTransactionParameters_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37063,7 +37063,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyChannelTransact
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelPublicKeys ret_var = CounterpartyChannelTransactionParameters_get_pubkeys(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37111,7 +37111,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyChannelTransact
        CHECK_INNER_FIELD_ACCESS_OR_NULL(pubkeys_arg_conv);
        pubkeys_arg_conv = ChannelPublicKeys_clone(&pubkeys_arg_conv);
        LDKCounterpartyChannelTransactionParameters ret_var = CounterpartyChannelTransactionParameters_new(pubkeys_arg_conv, selected_contest_delay_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37124,7 +37124,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyChannelTransact
 
 static inline uintptr_t CounterpartyChannelTransactionParameters_clone_ptr(LDKCounterpartyChannelTransactionParameters *NONNULL_PTR arg) {
        LDKCounterpartyChannelTransactionParameters ret_var = CounterpartyChannelTransactionParameters_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37134,12 +37134,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CounterpartyChannelTransactionParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyChannelTransactionParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCounterpartyChannelTransactionParameters arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = CounterpartyChannelTransactionParameters_clone_ptr(&arg_conv);
+       int64_t ret_val = CounterpartyChannelTransactionParameters_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -37149,7 +37149,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyChannelTransact
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKCounterpartyChannelTransactionParameters ret_var = CounterpartyChannelTransactionParameters_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37175,7 +37175,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameter
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKDirectedChannelTransactionParameters ret_var = ChannelTransactionParameters_as_holder_broadcastable(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37192,7 +37192,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameter
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKDirectedChannelTransactionParameters ret_var = ChannelTransactionParameters_as_counterparty_broadcastable(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37222,7 +37222,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CounterpartyChannelTransact
        LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ), "LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ");
        *ret_conv = CounterpartyChannelTransactionParameters_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameters_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -37244,7 +37244,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTransactionParameter
        LDKCResult_ChannelTransactionParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelTransactionParametersDecodeErrorZ), "LDKCResult_ChannelTransactionParametersDecodeErrorZ");
        *ret_conv = ChannelTransactionParameters_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DirectedChannelTransactionParameters_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -37261,7 +37261,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DirectedChannelTransactionP
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKChannelPublicKeys ret_var = DirectedChannelTransactionParameters_broadcaster_pubkeys(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37278,7 +37278,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DirectedChannelTransactionP
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKChannelPublicKeys ret_var = DirectedChannelTransactionParameters_countersignatory_pubkeys(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37313,7 +37313,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DirectedChannelTransactionP
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKOutPoint ret_var = DirectedChannelTransactionParameters_funding_outpoint(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37385,7 +37385,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_HolderCommitmentTransaction_1s
 
 static inline uintptr_t HolderCommitmentTransaction_clone_ptr(LDKHolderCommitmentTransaction *NONNULL_PTR arg) {
        LDKHolderCommitmentTransaction ret_var = HolderCommitmentTransaction_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37395,12 +37395,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_HolderCommitmentTransaction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HolderCommitmentTransaction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKHolderCommitmentTransaction arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = HolderCommitmentTransaction_clone_ptr(&arg_conv);
+       int64_t ret_val = HolderCommitmentTransaction_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -37410,7 +37410,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HolderCommitmentTransaction
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKHolderCommitmentTransaction ret_var = HolderCommitmentTransaction_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37440,7 +37440,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HolderCommitmentTransaction
        LDKCResult_HolderCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_HolderCommitmentTransactionDecodeErrorZ), "LDKCResult_HolderCommitmentTransactionDecodeErrorZ");
        *ret_conv = HolderCommitmentTransaction_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HolderCommitmentTransaction_1new(JNIEnv *env, jclass clz, int64_t commitment_tx, int8_tArray counterparty_sig, jobjectArray counterparty_htlc_sigs, int8_tArray holder_funding_key, int8_tArray counterparty_funding_key) {
@@ -37472,7 +37472,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HolderCommitmentTransaction
        CHECK((*env)->GetArrayLength(env, counterparty_funding_key) == 33);
        (*env)->GetByteArrayRegion(env, counterparty_funding_key, 0, 33, counterparty_funding_key_ref.compressed_form);
        LDKHolderCommitmentTransaction ret_var = HolderCommitmentTransaction_new(commitment_tx_conv, counterparty_sig_ref, counterparty_htlc_sigs_constr, holder_funding_key_ref, counterparty_funding_key_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37547,7 +37547,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BuiltCommitmentTransaction_
        CHECK((*env)->GetArrayLength(env, txid_arg) == 32);
        (*env)->GetByteArrayRegion(env, txid_arg, 0, 32, txid_arg_ref.data);
        LDKBuiltCommitmentTransaction ret_var = BuiltCommitmentTransaction_new(transaction_arg_ref, txid_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37560,7 +37560,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BuiltCommitmentTransaction_
 
 static inline uintptr_t BuiltCommitmentTransaction_clone_ptr(LDKBuiltCommitmentTransaction *NONNULL_PTR arg) {
        LDKBuiltCommitmentTransaction ret_var = BuiltCommitmentTransaction_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37570,12 +37570,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_BuiltCommitmentTransaction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BuiltCommitmentTransaction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKBuiltCommitmentTransaction arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = BuiltCommitmentTransaction_clone_ptr(&arg_conv);
+       int64_t ret_val = BuiltCommitmentTransaction_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -37585,7 +37585,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BuiltCommitmentTransaction_
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKBuiltCommitmentTransaction ret_var = BuiltCommitmentTransaction_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37615,7 +37615,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BuiltCommitmentTransaction_
        LDKCResult_BuiltCommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ), "LDKCResult_BuiltCommitmentTransactionDecodeErrorZ");
        *ret_conv = BuiltCommitmentTransaction_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_BuiltCommitmentTransaction_1get_1sighash_1all(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray funding_redeemscript, int64_t channel_value_satoshis) {
@@ -37660,7 +37660,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1free(JNIEn
 
 static inline uintptr_t ClosingTransaction_clone_ptr(LDKClosingTransaction *NONNULL_PTR arg) {
        LDKClosingTransaction ret_var = ClosingTransaction_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37670,12 +37670,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKClosingTransaction arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ClosingTransaction_clone_ptr(&arg_conv);
+       int64_t ret_val = ClosingTransaction_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -37685,7 +37685,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1clone(J
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKClosingTransaction ret_var = ClosingTransaction_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37720,7 +37720,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1new(JNI
        CHECK_INNER_FIELD_ACCESS_OR_NULL(funding_outpoint_conv);
        funding_outpoint_conv = OutPoint_clone(&funding_outpoint_conv);
        LDKClosingTransaction ret_var = ClosingTransaction_new(to_holder_value_sat, to_counterparty_value_sat, to_holder_script_ref, to_counterparty_script_ref, funding_outpoint_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37737,7 +37737,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1trust(J
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKTrustedClosingTransaction ret_var = ClosingTransaction_trust(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37760,7 +37760,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1verify(
        funding_outpoint_conv = OutPoint_clone(&funding_outpoint_conv);
        LDKCResult_TrustedClosingTransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TrustedClosingTransactionNoneZ), "LDKCResult_TrustedClosingTransactionNoneZ");
        *ret_conv = ClosingTransaction_verify(&this_arg_conv, funding_outpoint_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1to_1holder_1value_1sat(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -37865,7 +37865,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CommitmentTransaction_1free(JN
 
 static inline uintptr_t CommitmentTransaction_clone_ptr(LDKCommitmentTransaction *NONNULL_PTR arg) {
        LDKCommitmentTransaction ret_var = CommitmentTransaction_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37875,12 +37875,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_CommitmentTransaction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentTransaction_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCommitmentTransaction arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = CommitmentTransaction_clone_ptr(&arg_conv);
+       int64_t ret_val = CommitmentTransaction_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -37890,7 +37890,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentTransaction_1clon
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKCommitmentTransaction ret_var = CommitmentTransaction_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37920,7 +37920,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentTransaction_1read
        LDKCResult_CommitmentTransactionDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CommitmentTransactionDecodeErrorZ), "LDKCResult_CommitmentTransactionDecodeErrorZ");
        *ret_conv = CommitmentTransaction_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentTransaction_1commitment_1number(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -37965,7 +37965,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentTransaction_1trus
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKTrustedCommitmentTransaction ret_var = CommitmentTransaction_trust(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -37995,7 +37995,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentTransaction_1veri
        CHECK_INNER_FIELD_ACCESS_OR_NULL(countersignatory_keys_conv);
        LDKCResult_TrustedCommitmentTransactionNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_TrustedCommitmentTransactionNoneZ), "LDKCResult_TrustedCommitmentTransactionNoneZ");
        *ret_conv = CommitmentTransaction_verify(&this_arg_conv, &channel_parameters_conv, &broadcaster_keys_conv, &countersignatory_keys_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_TrustedCommitmentTransaction_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -38022,7 +38022,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TrustedCommitmentTransactio
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKBuiltCommitmentTransaction ret_var = TrustedCommitmentTransaction_built_transaction(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38039,7 +38039,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TrustedCommitmentTransactio
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKTxCreationKeys ret_var = TrustedCommitmentTransaction_keys(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38074,7 +38074,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TrustedCommitmentTransactio
        CHECK_INNER_FIELD_ACCESS_OR_NULL(channel_parameters_conv);
        LDKCResult_CVec_SignatureZNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_SignatureZNoneZ), "LDKCResult_CVec_SignatureZNoneZ");
        *ret_conv = TrustedCommitmentTransaction_get_htlc_sigs(&this_arg_conv, htlc_base_key_ref, &channel_parameters_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_get_1commitment_1transaction_1number_1obscure_1factor(JNIEnv *env, jclass clz, int8_tArray broadcaster_payment_basepoint, int8_tArray countersignatory_payment_basepoint, jboolean outbound_from_broadcaster) {
@@ -38155,7 +38155,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1eq(JN
 
 static inline uintptr_t InitFeatures_clone_ptr(LDKInitFeatures *NONNULL_PTR arg) {
        LDKInitFeatures ret_var = InitFeatures_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38165,12 +38165,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_InitFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InitFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKInitFeatures arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = InitFeatures_clone_ptr(&arg_conv);
+       int64_t ret_val = InitFeatures_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -38180,7 +38180,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InitFeatures_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKInitFeatures ret_var = InitFeatures_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38193,7 +38193,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InitFeatures_1clone(JNIEnv
 
 static inline uintptr_t NodeFeatures_clone_ptr(LDKNodeFeatures *NONNULL_PTR arg) {
        LDKNodeFeatures ret_var = NodeFeatures_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38203,12 +38203,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKNodeFeatures arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = NodeFeatures_clone_ptr(&arg_conv);
+       int64_t ret_val = NodeFeatures_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -38218,7 +38218,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKNodeFeatures ret_var = NodeFeatures_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38231,7 +38231,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1clone(JNIEnv
 
 static inline uintptr_t ChannelFeatures_clone_ptr(LDKChannelFeatures *NONNULL_PTR arg) {
        LDKChannelFeatures ret_var = ChannelFeatures_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38241,12 +38241,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelFeatures arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelFeatures_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelFeatures_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -38256,7 +38256,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1clone(JNIE
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelFeatures ret_var = ChannelFeatures_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38269,7 +38269,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1clone(JNIE
 
 static inline uintptr_t InvoiceFeatures_clone_ptr(LDKInvoiceFeatures *NONNULL_PTR arg) {
        LDKInvoiceFeatures ret_var = InvoiceFeatures_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38279,12 +38279,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKInvoiceFeatures arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = InvoiceFeatures_clone_ptr(&arg_conv);
+       int64_t ret_val = InvoiceFeatures_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -38294,7 +38294,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1clone(JNIE
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKInvoiceFeatures ret_var = InvoiceFeatures_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38307,7 +38307,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1clone(JNIE
 
 static inline uintptr_t ChannelTypeFeatures_clone_ptr(LDKChannelTypeFeatures *NONNULL_PTR arg) {
        LDKChannelTypeFeatures ret_var = ChannelTypeFeatures_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38317,12 +38317,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelTypeFeatures arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelTypeFeatures_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelTypeFeatures_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -38332,7 +38332,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1clone(
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelTypeFeatures ret_var = ChannelTypeFeatures_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38385,7 +38385,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1free(JNIE
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InitFeatures_1empty(JNIEnv *env, jclass clz) {
        LDKInitFeatures ret_var = InitFeatures_empty();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38398,7 +38398,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InitFeatures_1empty(JNIEnv
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InitFeatures_1known(JNIEnv *env, jclass clz) {
        LDKInitFeatures ret_var = InitFeatures_known();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38420,7 +38420,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_InitFeatures_1requires_1un
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1empty(JNIEnv *env, jclass clz) {
        LDKNodeFeatures ret_var = NodeFeatures_empty();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38433,7 +38433,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1empty(JNIEnv
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1known(JNIEnv *env, jclass clz) {
        LDKNodeFeatures ret_var = NodeFeatures_known();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38455,7 +38455,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1requires_1un
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1empty(JNIEnv *env, jclass clz) {
        LDKChannelFeatures ret_var = ChannelFeatures_empty();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38468,7 +38468,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1empty(JNIE
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1known(JNIEnv *env, jclass clz) {
        LDKChannelFeatures ret_var = ChannelFeatures_known();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38490,7 +38490,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1requires_
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1empty(JNIEnv *env, jclass clz) {
        LDKInvoiceFeatures ret_var = InvoiceFeatures_empty();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38503,7 +38503,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1empty(JNIE
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1known(JNIEnv *env, jclass clz) {
        LDKInvoiceFeatures ret_var = InvoiceFeatures_known();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38525,7 +38525,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1requires_
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1empty(JNIEnv *env, jclass clz) {
        LDKChannelTypeFeatures ret_var = ChannelTypeFeatures_empty();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38538,7 +38538,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1empty(
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1known(JNIEnv *env, jclass clz) {
        LDKChannelTypeFeatures ret_var = ChannelTypeFeatures_known();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38577,7 +38577,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InitFeatures_1read(JNIEnv *
        LDKCResult_InitFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InitFeaturesDecodeErrorZ), "LDKCResult_InitFeaturesDecodeErrorZ");
        *ret_conv = InitFeatures_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -38599,7 +38599,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelFeatures_1read(JNIEn
        LDKCResult_ChannelFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelFeaturesDecodeErrorZ), "LDKCResult_ChannelFeaturesDecodeErrorZ");
        *ret_conv = ChannelFeatures_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -38621,7 +38621,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeFeatures_1read(JNIEnv *
        LDKCResult_NodeFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeFeaturesDecodeErrorZ), "LDKCResult_NodeFeaturesDecodeErrorZ");
        *ret_conv = NodeFeatures_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -38643,7 +38643,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoiceFeatures_1read(JNIEn
        LDKCResult_InvoiceFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceFeaturesDecodeErrorZ), "LDKCResult_InvoiceFeaturesDecodeErrorZ");
        *ret_conv = InvoiceFeatures_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -38665,7 +38665,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelTypeFeatures_1read(J
        LDKCResult_ChannelTypeFeaturesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelTypeFeaturesDecodeErrorZ), "LDKCResult_ChannelTypeFeaturesDecodeErrorZ");
        *ret_conv = ChannelTypeFeatures_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -38678,7 +38678,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1free(JNIEnv *e
 
 static inline uintptr_t ShutdownScript_clone_ptr(LDKShutdownScript *NONNULL_PTR arg) {
        LDKShutdownScript ret_var = ShutdownScript_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38688,12 +38688,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKShutdownScript arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ShutdownScript_clone_ptr(&arg_conv);
+       int64_t ret_val = ShutdownScript_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -38703,7 +38703,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1clone(JNIEn
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKShutdownScript ret_var = ShutdownScript_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38751,7 +38751,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvalidShutdownScript_1new(
        script_arg_ref.data = MALLOC(script_arg_ref.datalen, "LDKCVec_u8Z Bytes");
        (*env)->GetByteArrayRegion(env, script_arg, 0, script_arg_ref.datalen, script_arg_ref.data);
        LDKInvalidShutdownScript ret_var = InvalidShutdownScript_new(script_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38764,7 +38764,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvalidShutdownScript_1new(
 
 static inline uintptr_t InvalidShutdownScript_clone_ptr(LDKInvalidShutdownScript *NONNULL_PTR arg) {
        LDKInvalidShutdownScript ret_var = InvalidShutdownScript_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38774,12 +38774,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_InvalidShutdownScript_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvalidShutdownScript_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKInvalidShutdownScript arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = InvalidShutdownScript_clone_ptr(&arg_conv);
+       int64_t ret_val = InvalidShutdownScript_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -38789,7 +38789,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvalidShutdownScript_1clon
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKInvalidShutdownScript ret_var = InvalidShutdownScript_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38819,7 +38819,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1read(JNIEnv
        LDKCResult_ShutdownScriptDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptDecodeErrorZ), "LDKCResult_ShutdownScriptDecodeErrorZ");
        *ret_conv = ShutdownScript_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1new_1p2wpkh(JNIEnv *env, jclass clz, int8_tArray pubkey_hash) {
@@ -38828,7 +38828,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1new_1p2wpkh
        (*env)->GetByteArrayRegion(env, pubkey_hash, 0, 20, pubkey_hash_arr);
        unsigned char (*pubkey_hash_ref)[20] = &pubkey_hash_arr;
        LDKShutdownScript ret_var = ShutdownScript_new_p2wpkh(pubkey_hash_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38845,7 +38845,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1new_1p2wsh(
        (*env)->GetByteArrayRegion(env, script_hash, 0, 32, script_hash_arr);
        unsigned char (*script_hash_ref)[32] = &script_hash_arr;
        LDKShutdownScript ret_var = ShutdownScript_new_p2wsh(script_hash_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38863,7 +38863,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1new_1witnes
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptInvalidShutdownScriptZ), "LDKCResult_ShutdownScriptInvalidShutdownScriptZ");
        *ret_conv = ShutdownScript_new_witness_program(version, program_ref);
        (*env)->ReleaseByteArrayElements(env, program, (int8_t*)program_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1into_1inner(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -38914,13 +38914,13 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CustomMessageReader_1free(JNIE
 static inline uintptr_t Type_clone_ptr(LDKType *NONNULL_PTR arg) {
        LDKType* ret_ret = MALLOC(sizeof(LDKType), "LDKType");
        *ret_ret = Type_clone(arg);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Type_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Type_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        void* arg_ptr = (void*)(((uintptr_t)arg) & ~1);
        if (!(arg & 1)) { CHECK_ACCESS(arg_ptr); }
        LDKType* arg_conv = (LDKType*)arg_ptr;
-       intptr_t ret_val = Type_clone_ptr(arg_conv);
+       int64_t ret_val = Type_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -38930,7 +38930,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Type_1clone(JNIEnv *env, jc
        LDKType* orig_conv = (LDKType*)orig_ptr;
        LDKType* ret_ret = MALLOC(sizeof(LDKType), "LDKType");
        *ret_ret = Type_clone(orig_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Type_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -38952,7 +38952,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NodeId_1free(JNIEnv *env, jcla
 
 static inline uintptr_t NodeId_clone_ptr(LDKNodeId *NONNULL_PTR arg) {
        LDKNodeId ret_var = NodeId_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38962,12 +38962,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_NodeId_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeId_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKNodeId arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = NodeId_clone_ptr(&arg_conv);
+       int64_t ret_val = NodeId_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -38977,7 +38977,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeId_1clone(JNIEnv *env,
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKNodeId ret_var = NodeId_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -38993,7 +38993,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeId_1from_1pubkey(JNIEnv
        CHECK((*env)->GetArrayLength(env, pubkey) == 33);
        (*env)->GetByteArrayRegion(env, pubkey, 0, 33, pubkey_ref.compressed_form);
        LDKNodeId ret_var = NodeId_from_pubkey(pubkey_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39043,7 +39043,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeId_1read(JNIEnv *env, j
        LDKCResult_NodeIdDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeIdDecodeErrorZ), "LDKCResult_NodeIdDecodeErrorZ");
        *ret_conv = NodeId_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -39056,7 +39056,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1free(JNIEnv *env
 
 static inline uintptr_t NetworkGraph_clone_ptr(LDKNetworkGraph *NONNULL_PTR arg) {
        LDKNetworkGraph ret_var = NetworkGraph_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39066,12 +39066,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKNetworkGraph arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = NetworkGraph_clone_ptr(&arg_conv);
+       int64_t ret_val = NetworkGraph_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -39081,7 +39081,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKNetworkGraph ret_var = NetworkGraph_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39112,12 +39112,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetworkUpdate_1free(JNIEnv *en
 static inline uintptr_t NetworkUpdate_clone_ptr(LDKNetworkUpdate *NONNULL_PTR arg) {
        LDKNetworkUpdate *ret_copy = MALLOC(sizeof(LDKNetworkUpdate), "LDKNetworkUpdate");
        *ret_copy = NetworkUpdate_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_NetworkUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkUpdate_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKNetworkUpdate* arg_conv = (LDKNetworkUpdate*)arg;
-       intptr_t ret_val = NetworkUpdate_clone_ptr(arg_conv);
+       int64_t ret_val = NetworkUpdate_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -39125,7 +39125,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkUpdate_1clone(JNIEnv
        LDKNetworkUpdate* orig_conv = (LDKNetworkUpdate*)orig;
        LDKNetworkUpdate *ret_copy = MALLOC(sizeof(LDKNetworkUpdate), "LDKNetworkUpdate");
        *ret_copy = NetworkUpdate_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -39137,14 +39137,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkUpdate_1channel_1upd
        msg_conv = ChannelUpdate_clone(&msg_conv);
        LDKNetworkUpdate *ret_copy = MALLOC(sizeof(LDKNetworkUpdate), "LDKNetworkUpdate");
        *ret_copy = NetworkUpdate_channel_update_message(msg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkUpdate_1channel_1closed(JNIEnv *env, jclass clz, int64_t short_channel_id, jboolean is_permanent) {
        LDKNetworkUpdate *ret_copy = MALLOC(sizeof(LDKNetworkUpdate), "LDKNetworkUpdate");
        *ret_copy = NetworkUpdate_channel_closed(short_channel_id, is_permanent);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -39154,7 +39154,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkUpdate_1node_1failur
        (*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
        LDKNetworkUpdate *ret_copy = MALLOC(sizeof(LDKNetworkUpdate), "LDKNetworkUpdate");
        *ret_copy = NetworkUpdate_node_failure(node_id_ref, is_permanent);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -39174,7 +39174,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkUpdate_1read(JNIEnv
        LDKCResult_COption_NetworkUpdateZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_NetworkUpdateZDecodeErrorZ), "LDKCResult_COption_NetworkUpdateZDecodeErrorZ");
        *ret_conv = NetworkUpdate_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1as_1EventHandler(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -39184,7 +39184,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1as_1Eve
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKEventHandler* ret_ret = MALLOC(sizeof(LDKEventHandler), "LDKEventHandler");
        *ret_ret = NetGraphMsgHandler_as_EventHandler(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -39219,7 +39219,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1new(JNI
                LDKLogger_JCalls_cloned(&logger_conv);
        }
        LDKNetGraphMsgHandler ret_var = NetGraphMsgHandler_new(&network_graph_conv, chain_access_conv, logger_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39256,7 +39256,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1as_1Rou
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKRoutingMessageHandler* ret_ret = MALLOC(sizeof(LDKRoutingMessageHandler), "LDKRoutingMessageHandler");
        *ret_ret = NetGraphMsgHandler_as_RoutingMessageHandler(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1as_1MessageSendEventsProvider(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -39266,7 +39266,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1as_1Mes
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKMessageSendEventsProvider* ret_ret = MALLOC(sizeof(LDKMessageSendEventsProvider), "LDKMessageSendEventsProvider");
        *ret_ret = NetGraphMsgHandler_as_MessageSendEventsProvider(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -39352,7 +39352,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1get_1htl
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = ChannelUpdateInfo_get_htlc_maximum_msat(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -39374,7 +39374,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1get_1fee
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKRoutingFees ret_var = ChannelUpdateInfo_get_fees(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39404,7 +39404,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1get_1las
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelUpdate ret_var = ChannelUpdateInfo_get_last_update_message(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -39446,7 +39446,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1new(JNIE
        CHECK_INNER_FIELD_ACCESS_OR_NULL(last_update_message_arg_conv);
        last_update_message_arg_conv = ChannelUpdate_clone(&last_update_message_arg_conv);
        LDKChannelUpdateInfo ret_var = ChannelUpdateInfo_new(last_update_arg, enabled_arg, cltv_expiry_delta_arg, htlc_minimum_msat_arg, htlc_maximum_msat_arg_conv, fees_arg_conv, last_update_message_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39459,7 +39459,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1new(JNIE
 
 static inline uintptr_t ChannelUpdateInfo_clone_ptr(LDKChannelUpdateInfo *NONNULL_PTR arg) {
        LDKChannelUpdateInfo ret_var = ChannelUpdateInfo_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39469,12 +39469,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelUpdateInfo arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelUpdateInfo_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelUpdateInfo_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -39484,7 +39484,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1clone(JN
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelUpdateInfo ret_var = ChannelUpdateInfo_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39514,7 +39514,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelUpdateInfo_1read(JNI
        LDKCResult_ChannelUpdateInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelUpdateInfoDecodeErrorZ), "LDKCResult_ChannelUpdateInfoDecodeErrorZ");
        *ret_conv = ChannelUpdateInfo_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -39531,7 +39531,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1get_1features(
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelFeatures ret_var = ChannelInfo_get_features(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39561,7 +39561,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1get_1node_1one
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKNodeId ret_var = ChannelInfo_get_node_one(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39591,7 +39591,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1get_1one_1to_1
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelUpdateInfo ret_var = ChannelInfo_get_one_to_two(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -39623,7 +39623,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1get_1node_1two
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKNodeId ret_var = ChannelInfo_get_node_two(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39653,7 +39653,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1get_1two_1to_1
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelUpdateInfo ret_var = ChannelInfo_get_two_to_one(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -39686,7 +39686,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1get_1capacity_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = ChannelInfo_get_capacity_sats(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -39708,7 +39708,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1get_1announcem
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelAnnouncement ret_var = ChannelInfo_get_announcement_message(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -39736,7 +39736,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1set_1announcement
 
 static inline uintptr_t ChannelInfo_clone_ptr(LDKChannelInfo *NONNULL_PTR arg) {
        LDKChannelInfo ret_var = ChannelInfo_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39746,12 +39746,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKChannelInfo arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ChannelInfo_clone_ptr(&arg_conv);
+       int64_t ret_val = ChannelInfo_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -39761,7 +39761,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1clone(JNIEnv *
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKChannelInfo ret_var = ChannelInfo_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39791,7 +39791,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1read(JNIEnv *e
        LDKCResult_ChannelInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ChannelInfoDecodeErrorZ), "LDKCResult_ChannelInfoDecodeErrorZ");
        *ret_conv = ChannelInfo_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DirectedChannelInfo_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -39804,7 +39804,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DirectedChannelInfo_1free(JNIE
 
 static inline uintptr_t DirectedChannelInfo_clone_ptr(LDKDirectedChannelInfo *NONNULL_PTR arg) {
        LDKDirectedChannelInfo ret_var = DirectedChannelInfo_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39814,12 +39814,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_DirectedChannelInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DirectedChannelInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKDirectedChannelInfo arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = DirectedChannelInfo_clone_ptr(&arg_conv);
+       int64_t ret_val = DirectedChannelInfo_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -39829,7 +39829,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DirectedChannelInfo_1clone(
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKDirectedChannelInfo ret_var = DirectedChannelInfo_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39846,7 +39846,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DirectedChannelInfo_1channe
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKChannelInfo ret_var = DirectedChannelInfo_channel(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -39863,7 +39863,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DirectedChannelInfo_1direct
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKChannelUpdateInfo ret_var = DirectedChannelInfo_direction(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -39883,7 +39883,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DirectedChannelInfo_1effect
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKEffectiveCapacity *ret_copy = MALLOC(sizeof(LDKEffectiveCapacity), "LDKEffectiveCapacity");
        *ret_copy = DirectedChannelInfo_effective_capacity(&this_arg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -39899,12 +39899,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_EffectiveCapacity_1free(JNIEnv
 static inline uintptr_t EffectiveCapacity_clone_ptr(LDKEffectiveCapacity *NONNULL_PTR arg) {
        LDKEffectiveCapacity *ret_copy = MALLOC(sizeof(LDKEffectiveCapacity), "LDKEffectiveCapacity");
        *ret_copy = EffectiveCapacity_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_EffectiveCapacity_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_EffectiveCapacity_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKEffectiveCapacity* arg_conv = (LDKEffectiveCapacity*)arg;
-       intptr_t ret_val = EffectiveCapacity_clone_ptr(arg_conv);
+       int64_t ret_val = EffectiveCapacity_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -39912,42 +39912,42 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_EffectiveCapacity_1clone(JN
        LDKEffectiveCapacity* orig_conv = (LDKEffectiveCapacity*)orig;
        LDKEffectiveCapacity *ret_copy = MALLOC(sizeof(LDKEffectiveCapacity), "LDKEffectiveCapacity");
        *ret_copy = EffectiveCapacity_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_EffectiveCapacity_1exact_1liquidity(JNIEnv *env, jclass clz, int64_t liquidity_msat) {
        LDKEffectiveCapacity *ret_copy = MALLOC(sizeof(LDKEffectiveCapacity), "LDKEffectiveCapacity");
        *ret_copy = EffectiveCapacity_exact_liquidity(liquidity_msat);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_EffectiveCapacity_1maximum_1htlc(JNIEnv *env, jclass clz, int64_t amount_msat) {
        LDKEffectiveCapacity *ret_copy = MALLOC(sizeof(LDKEffectiveCapacity), "LDKEffectiveCapacity");
        *ret_copy = EffectiveCapacity_maximum_htlc(amount_msat);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_EffectiveCapacity_1total(JNIEnv *env, jclass clz, int64_t capacity_msat) {
        LDKEffectiveCapacity *ret_copy = MALLOC(sizeof(LDKEffectiveCapacity), "LDKEffectiveCapacity");
        *ret_copy = EffectiveCapacity_total(capacity_msat);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_EffectiveCapacity_1infinite(JNIEnv *env, jclass clz) {
        LDKEffectiveCapacity *ret_copy = MALLOC(sizeof(LDKEffectiveCapacity), "LDKEffectiveCapacity");
        *ret_copy = EffectiveCapacity_infinite();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_EffectiveCapacity_1unknown(JNIEnv *env, jclass clz) {
        LDKEffectiveCapacity *ret_copy = MALLOC(sizeof(LDKEffectiveCapacity), "LDKEffectiveCapacity");
        *ret_copy = EffectiveCapacity_unknown();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -40001,7 +40001,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RoutingFees_1set_1proportional
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingFees_1new(JNIEnv *env, jclass clz, int32_t base_msat_arg, int32_t proportional_millionths_arg) {
        LDKRoutingFees ret_var = RoutingFees_new(base_msat_arg, proportional_millionths_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40027,7 +40027,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_RoutingFees_1eq(JNIEnv *en
 
 static inline uintptr_t RoutingFees_clone_ptr(LDKRoutingFees *NONNULL_PTR arg) {
        LDKRoutingFees ret_var = RoutingFees_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40037,12 +40037,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RoutingFees_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingFees_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRoutingFees arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = RoutingFees_clone_ptr(&arg_conv);
+       int64_t ret_val = RoutingFees_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -40052,7 +40052,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingFees_1clone(JNIEnv *
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRoutingFees ret_var = RoutingFees_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40091,7 +40091,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingFees_1read(JNIEnv *e
        LDKCResult_RoutingFeesDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RoutingFeesDecodeErrorZ), "LDKCResult_RoutingFeesDecodeErrorZ");
        *ret_conv = RoutingFees_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -40108,7 +40108,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1get_1
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKNodeFeatures ret_var = NodeAnnouncementInfo_get_features(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40221,7 +40221,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1get_1
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKNodeAnnouncement ret_var = NodeAnnouncementInfo_get_announcement_message(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -40280,7 +40280,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1new(J
        CHECK_INNER_FIELD_ACCESS_OR_NULL(announcement_message_arg_conv);
        announcement_message_arg_conv = NodeAnnouncement_clone(&announcement_message_arg_conv);
        LDKNodeAnnouncementInfo ret_var = NodeAnnouncementInfo_new(features_arg_conv, last_update_arg, rgb_arg_ref, alias_arg_ref, addresses_arg_constr, announcement_message_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40293,7 +40293,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1new(J
 
 static inline uintptr_t NodeAnnouncementInfo_clone_ptr(LDKNodeAnnouncementInfo *NONNULL_PTR arg) {
        LDKNodeAnnouncementInfo ret_var = NodeAnnouncementInfo_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40303,12 +40303,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKNodeAnnouncementInfo arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = NodeAnnouncementInfo_clone_ptr(&arg_conv);
+       int64_t ret_val = NodeAnnouncementInfo_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -40318,7 +40318,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1clone
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKNodeAnnouncementInfo ret_var = NodeAnnouncementInfo_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40348,7 +40348,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1read(
        LDKCResult_NodeAnnouncementInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeAnnouncementInfoDecodeErrorZ), "LDKCResult_NodeAnnouncementInfoDecodeErrorZ");
        *ret_conv = NodeAnnouncementInfo_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NodeInfo_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -40385,7 +40385,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeInfo_1get_1lowest_1inbo
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKRoutingFees ret_var = NodeInfo_get_lowest_inbound_channel_fees(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -40417,7 +40417,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeInfo_1get_1announcement
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKNodeAnnouncementInfo ret_var = NodeInfo_get_announcement_info(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -40467,7 +40467,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeInfo_1new(JNIEnv *env,
        CHECK_INNER_FIELD_ACCESS_OR_NULL(announcement_info_arg_conv);
        announcement_info_arg_conv = NodeAnnouncementInfo_clone(&announcement_info_arg_conv);
        LDKNodeInfo ret_var = NodeInfo_new(channels_arg_constr, lowest_inbound_channel_fees_arg_conv, announcement_info_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40480,7 +40480,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeInfo_1new(JNIEnv *env,
 
 static inline uintptr_t NodeInfo_clone_ptr(LDKNodeInfo *NONNULL_PTR arg) {
        LDKNodeInfo ret_var = NodeInfo_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40490,12 +40490,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_NodeInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeInfo_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKNodeInfo arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = NodeInfo_clone_ptr(&arg_conv);
+       int64_t ret_val = NodeInfo_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -40505,7 +40505,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeInfo_1clone(JNIEnv *env
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKNodeInfo ret_var = NodeInfo_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40535,7 +40535,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeInfo_1read(JNIEnv *env,
        LDKCResult_NodeInfoDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NodeInfoDecodeErrorZ), "LDKCResult_NodeInfoDecodeErrorZ");
        *ret_conv = NodeInfo_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -40557,7 +40557,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1read(JNIEnv *
        LDKCResult_NetworkGraphDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetworkGraphDecodeErrorZ), "LDKCResult_NetworkGraphDecodeErrorZ");
        *ret_conv = NetworkGraph_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1new(JNIEnv *env, jclass clz, int8_tArray genesis_hash) {
@@ -40565,7 +40565,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1new(JNIEnv *e
        CHECK((*env)->GetArrayLength(env, genesis_hash) == 32);
        (*env)->GetByteArrayRegion(env, genesis_hash, 0, 32, genesis_hash_ref.data);
        LDKNetworkGraph ret_var = NetworkGraph_new(genesis_hash_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40582,7 +40582,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1read_1only(JN
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKReadOnlyNetworkGraph ret_var = NetworkGraph_read_only(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40604,7 +40604,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1node_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_conv);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = NetworkGraph_update_node_from_announcement(&this_arg_conv, &msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1node_1from_1unsigned_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
@@ -40618,7 +40618,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1node_
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_conv);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = NetworkGraph_update_node_from_unsigned_announcement(&this_arg_conv, &msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1channel_1from_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg, int64_t chain_access) {
@@ -40643,7 +40643,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1chann
        }
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = NetworkGraph_update_channel_from_announcement(&this_arg_conv, &msg_conv, chain_access_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1channel_1from_1unsigned_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg, int64_t chain_access) {
@@ -40668,7 +40668,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1chann
        }
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = NetworkGraph_update_channel_from_unsigned_announcement(&this_arg_conv, &msg_conv, chain_access_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1close_1channel_1from_1update(JNIEnv *env, jclass clz, int64_t this_arg, int64_t short_channel_id, jboolean is_permanent) {
@@ -40717,7 +40717,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1chann
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_conv);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = NetworkGraph_update_channel(&this_arg_conv, &msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1channel_1unsigned(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
@@ -40731,7 +40731,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1chann
        CHECK_INNER_FIELD_ACCESS_OR_NULL(msg_conv);
        LDKCResult_NoneLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneLightningErrorZ), "LDKCResult_NoneLightningErrorZ");
        *ret_conv = NetworkGraph_update_channel_unsigned(&this_arg_conv, &msg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReadOnlyNetworkGraph_1get_1addresses(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray pubkey) {
@@ -40744,7 +40744,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ReadOnlyNetworkGraph_1get_1
        (*env)->GetByteArrayRegion(env, pubkey, 0, 33, pubkey_ref.compressed_form);
        LDKCOption_CVec_NetAddressZZ *ret_copy = MALLOC(sizeof(LDKCOption_CVec_NetAddressZZ), "LDKCOption_CVec_NetAddressZZ");
        *ret_copy = ReadOnlyNetworkGraph_get_addresses(&this_arg_conv, pubkey_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -40783,7 +40783,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHop_1get_1node_1featur
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKNodeFeatures ret_var = RouteHop_get_node_features(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40830,7 +40830,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHop_1get_1channel_1fea
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKChannelFeatures ret_var = RouteHop_get_channel_features(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40903,7 +40903,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHop_1new(JNIEnv *env,
        CHECK_INNER_FIELD_ACCESS_OR_NULL(channel_features_arg_conv);
        channel_features_arg_conv = ChannelFeatures_clone(&channel_features_arg_conv);
        LDKRouteHop ret_var = RouteHop_new(pubkey_arg_ref, node_features_arg_conv, short_channel_id_arg, channel_features_arg_conv, fee_msat_arg, cltv_expiry_delta_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40916,7 +40916,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHop_1new(JNIEnv *env,
 
 static inline uintptr_t RouteHop_clone_ptr(LDKRouteHop *NONNULL_PTR arg) {
        LDKRouteHop ret_var = RouteHop_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40926,12 +40926,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RouteHop_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHop_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRouteHop arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = RouteHop_clone_ptr(&arg_conv);
+       int64_t ret_val = RouteHop_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -40941,7 +40941,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHop_1clone(JNIEnv *env
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRouteHop ret_var = RouteHop_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -40993,7 +40993,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHop_1read(JNIEnv *env,
        LDKCResult_RouteHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHopDecodeErrorZ), "LDKCResult_RouteHopDecodeErrorZ");
        *ret_conv = RouteHop_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Route_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -41020,7 +41020,7 @@ JNIEXPORT jobjectArray JNICALL Java_org_ldk_impl_bindings_Route_1get_1paths(JNIE
                int64_t *ret_conv_12_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_conv_12_arr, NULL);
                for (size_t k = 0; k < ret_conv_12_var.datalen; k++) {
                        LDKRouteHop ret_conv_12_conv_10_var = ret_conv_12_var.data[k];
-                       uintptr_t ret_conv_12_conv_10_ref = 0;
+                       int64_t ret_conv_12_conv_10_ref = 0;
                        CHECK((((uintptr_t)ret_conv_12_conv_10_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                        CHECK((((uintptr_t)&ret_conv_12_conv_10_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_12_conv_10_var);
@@ -41080,7 +41080,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Route_1get_1payment_1params
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKPaymentParameters ret_var = Route_get_payment_params(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -41140,7 +41140,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Route_1new(JNIEnv *env, jcl
        CHECK_INNER_FIELD_ACCESS_OR_NULL(payment_params_arg_conv);
        payment_params_arg_conv = PaymentParameters_clone(&payment_params_arg_conv);
        LDKRoute ret_var = Route_new(paths_arg_constr, payment_params_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41153,7 +41153,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Route_1new(JNIEnv *env, jcl
 
 static inline uintptr_t Route_clone_ptr(LDKRoute *NONNULL_PTR arg) {
        LDKRoute ret_var = Route_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41163,12 +41163,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Route_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Route_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRoute arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = Route_clone_ptr(&arg_conv);
+       int64_t ret_val = Route_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -41178,7 +41178,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Route_1clone(JNIEnv *env, j
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRoute ret_var = Route_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41248,7 +41248,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Route_1read(JNIEnv *env, jc
        LDKCResult_RouteDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteDecodeErrorZ), "LDKCResult_RouteDecodeErrorZ");
        *ret_conv = Route_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RouteParameters_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -41265,7 +41265,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteParameters_1get_1payme
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKPaymentParameters ret_var = RouteParameters_get_payment_params(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41330,7 +41330,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteParameters_1new(JNIEnv
        CHECK_INNER_FIELD_ACCESS_OR_NULL(payment_params_arg_conv);
        payment_params_arg_conv = PaymentParameters_clone(&payment_params_arg_conv);
        LDKRouteParameters ret_var = RouteParameters_new(payment_params_arg_conv, final_value_msat_arg, final_cltv_expiry_delta_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41343,7 +41343,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteParameters_1new(JNIEnv
 
 static inline uintptr_t RouteParameters_clone_ptr(LDKRouteParameters *NONNULL_PTR arg) {
        LDKRouteParameters ret_var = RouteParameters_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41353,12 +41353,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RouteParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRouteParameters arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = RouteParameters_clone_ptr(&arg_conv);
+       int64_t ret_val = RouteParameters_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -41368,7 +41368,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteParameters_1clone(JNIE
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRouteParameters ret_var = RouteParameters_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41398,7 +41398,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteParameters_1read(JNIEn
        LDKCResult_RouteParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteParametersDecodeErrorZ), "LDKCResult_RouteParametersDecodeErrorZ");
        *ret_conv = RouteParameters_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -41436,7 +41436,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1get_1fea
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKInvoiceFeatures ret_var = PaymentParameters_get_features(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -41473,7 +41473,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1get
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t l = 0; l < ret_var.datalen; l++) {
                LDKRouteHint ret_conv_11_var = ret_var.data[l];
-               uintptr_t ret_conv_11_ref = 0;
+               int64_t ret_conv_11_ref = 0;
                CHECK((((uintptr_t)ret_conv_11_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_11_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_11_var);
@@ -41520,7 +41520,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1get_1exp
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = PaymentParameters_get_expiry_time(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -41584,7 +41584,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1new(JNIE
        LDKCOption_u64Z expiry_time_arg_conv = *(LDKCOption_u64Z*)(expiry_time_arg_ptr);
        expiry_time_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uintptr_t)expiry_time_arg) & ~1));
        LDKPaymentParameters ret_var = PaymentParameters_new(payee_pubkey_arg_ref, features_arg_conv, route_hints_arg_constr, expiry_time_arg_conv, max_total_cltv_expiry_delta_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41597,7 +41597,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1new(JNIE
 
 static inline uintptr_t PaymentParameters_clone_ptr(LDKPaymentParameters *NONNULL_PTR arg) {
        LDKPaymentParameters ret_var = PaymentParameters_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41607,12 +41607,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPaymentParameters arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = PaymentParameters_clone_ptr(&arg_conv);
+       int64_t ret_val = PaymentParameters_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -41622,7 +41622,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1clone(JN
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKPaymentParameters ret_var = PaymentParameters_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41674,7 +41674,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1read(JNI
        LDKCResult_PaymentParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentParametersDecodeErrorZ), "LDKCResult_PaymentParametersDecodeErrorZ");
        *ret_conv = PaymentParameters_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1from_1node_1id(JNIEnv *env, jclass clz, int8_tArray payee_pubkey) {
@@ -41682,7 +41682,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1from_1no
        CHECK((*env)->GetArrayLength(env, payee_pubkey) == 33);
        (*env)->GetByteArrayRegion(env, payee_pubkey, 0, 33, payee_pubkey_ref.compressed_form);
        LDKPaymentParameters ret_var = PaymentParameters_from_node_id(payee_pubkey_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41698,7 +41698,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentParameters_1for_1key
        CHECK((*env)->GetArrayLength(env, payee_pubkey) == 33);
        (*env)->GetByteArrayRegion(env, payee_pubkey, 0, 33, payee_pubkey_ref.compressed_form);
        LDKPaymentParameters ret_var = PaymentParameters_for_keysend(payee_pubkey_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41728,7 +41728,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_RouteHint_1get_1a(JNIE
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKRouteHintHop ret_conv_14_var = ret_var.data[o];
-               uintptr_t ret_conv_14_ref = 0;
+               int64_t ret_conv_14_ref = 0;
                CHECK((((uintptr_t)ret_conv_14_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_14_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_14_var);
@@ -41787,7 +41787,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHint_1new(JNIEnv *env,
        }
        (*env)->ReleaseLongArrayElements(env, a_arg, a_arg_vals, 0);
        LDKRouteHint ret_var = RouteHint_new(a_arg_constr);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41800,7 +41800,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHint_1new(JNIEnv *env,
 
 static inline uintptr_t RouteHint_clone_ptr(LDKRouteHint *NONNULL_PTR arg) {
        LDKRouteHint ret_var = RouteHint_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41810,12 +41810,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RouteHint_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHint_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRouteHint arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = RouteHint_clone_ptr(&arg_conv);
+       int64_t ret_val = RouteHint_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -41825,7 +41825,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHint_1clone(JNIEnv *en
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRouteHint ret_var = RouteHint_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41877,7 +41877,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHint_1read(JNIEnv *env
        LDKCResult_RouteHintDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintDecodeErrorZ), "LDKCResult_RouteHintDecodeErrorZ");
        *ret_conv = RouteHint_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -41932,7 +41932,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1get_1fees(JNI
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKRoutingFees ret_var = RouteHintHop_get_fees(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -41980,7 +41980,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1get_1htlc_1mi
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = RouteHintHop_get_htlc_minimum_msat(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -42003,7 +42003,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1get_1htlc_1ma
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = RouteHintHop_get_htlc_maximum_msat(&this_ptr_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -42037,7 +42037,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1new(JNIEnv *e
        LDKCOption_u64Z htlc_maximum_msat_arg_conv = *(LDKCOption_u64Z*)(htlc_maximum_msat_arg_ptr);
        htlc_maximum_msat_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uintptr_t)htlc_maximum_msat_arg) & ~1));
        LDKRouteHintHop ret_var = RouteHintHop_new(src_node_id_arg_ref, short_channel_id_arg, fees_arg_conv, cltv_expiry_delta_arg, htlc_minimum_msat_arg_conv, htlc_maximum_msat_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42050,7 +42050,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1new(JNIEnv *e
 
 static inline uintptr_t RouteHintHop_clone_ptr(LDKRouteHintHop *NONNULL_PTR arg) {
        LDKRouteHintHop ret_var = RouteHintHop_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42060,12 +42060,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRouteHintHop arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = RouteHintHop_clone_ptr(&arg_conv);
+       int64_t ret_val = RouteHintHop_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -42075,7 +42075,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRouteHintHop ret_var = RouteHintHop_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42127,7 +42127,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1read(JNIEnv *
        LDKCResult_RouteHintHopDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteHintHopDecodeErrorZ), "LDKCResult_RouteHintHopDecodeErrorZ");
        *ret_conv = RouteHintHop_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_find_1route(JNIEnv *env, jclass clz, int8_tArray our_node_pubkey, int64_t route_params, int64_t network, int64_tArray first_hops, int64_t logger, int64_t scorer) {
@@ -42175,7 +42175,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_find_1route(JNIEnv *env, jc
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = find_route(our_node_pubkey_ref, &route_params_conv, &network_conv, first_hops_ptr, logger_conv, scorer_conv);
        if (first_hops_ptr != NULL) { FREE(first_hops_constr.data); }
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Score_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
@@ -42213,7 +42213,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MultiThreadedLockableScore_
                LDKScore_JCalls_cloned(&score_conv);
        }
        LDKMultiThreadedLockableScore ret_var = MultiThreadedLockableScore_new(score_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42234,7 +42234,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_FixedPenaltyScorer_1free(JNIEn
 
 static inline uintptr_t FixedPenaltyScorer_clone_ptr(LDKFixedPenaltyScorer *NONNULL_PTR arg) {
        LDKFixedPenaltyScorer ret_var = FixedPenaltyScorer_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42244,12 +42244,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_FixedPenaltyScorer_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FixedPenaltyScorer_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKFixedPenaltyScorer arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = FixedPenaltyScorer_clone_ptr(&arg_conv);
+       int64_t ret_val = FixedPenaltyScorer_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -42259,7 +42259,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FixedPenaltyScorer_1clone(J
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKFixedPenaltyScorer ret_var = FixedPenaltyScorer_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42289,12 +42289,12 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FixedPenaltyScorer_1read(JN
        LDKCResult_FixedPenaltyScorerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_FixedPenaltyScorerDecodeErrorZ), "LDKCResult_FixedPenaltyScorerDecodeErrorZ");
        *ret_conv = FixedPenaltyScorer_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FixedPenaltyScorer_1with_1penalty(JNIEnv *env, jclass clz, int64_t penalty_msat) {
        LDKFixedPenaltyScorer ret_var = FixedPenaltyScorer_with_penalty(penalty_msat);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42312,7 +42312,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FixedPenaltyScorer_1as_1Sco
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKScore* ret_ret = MALLOC(sizeof(LDKScore), "LDKScore");
        *ret_ret = FixedPenaltyScorer_as_Score(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Scorer_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -42418,7 +42418,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ScoringParameters_1set_1failur
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ScoringParameters_1new(JNIEnv *env, jclass clz, int64_t base_penalty_msat_arg, int64_t failure_penalty_msat_arg, int16_t overuse_penalty_start_1024th_arg, int64_t overuse_penalty_msat_per_1024th_arg, int64_t failure_penalty_half_life_arg) {
        LDKScoringParameters ret_var = ScoringParameters_new(base_penalty_msat_arg, failure_penalty_msat_arg, overuse_penalty_start_1024th_arg, overuse_penalty_msat_per_1024th_arg, failure_penalty_half_life_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42431,7 +42431,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ScoringParameters_1new(JNIE
 
 static inline uintptr_t ScoringParameters_clone_ptr(LDKScoringParameters *NONNULL_PTR arg) {
        LDKScoringParameters ret_var = ScoringParameters_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42441,12 +42441,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ScoringParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ScoringParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKScoringParameters arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ScoringParameters_clone_ptr(&arg_conv);
+       int64_t ret_val = ScoringParameters_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -42456,7 +42456,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ScoringParameters_1clone(JN
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKScoringParameters ret_var = ScoringParameters_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42486,7 +42486,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ScoringParameters_1read(JNI
        LDKCResult_ScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ScoringParametersDecodeErrorZ), "LDKCResult_ScoringParametersDecodeErrorZ");
        *ret_conv = ScoringParameters_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Scorer_1new(JNIEnv *env, jclass clz, int64_t params) {
@@ -42496,7 +42496,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Scorer_1new(JNIEnv *env, jc
        CHECK_INNER_FIELD_ACCESS_OR_NULL(params_conv);
        params_conv = ScoringParameters_clone(&params_conv);
        LDKScorer ret_var = Scorer_new(params_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42509,7 +42509,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Scorer_1new(JNIEnv *env, jc
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Scorer_1default(JNIEnv *env, jclass clz) {
        LDKScorer ret_var = Scorer_default();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42522,7 +42522,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Scorer_1default(JNIEnv *env
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ScoringParameters_1default(JNIEnv *env, jclass clz) {
        LDKScoringParameters ret_var = ScoringParameters_default();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42540,7 +42540,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Scorer_1as_1Score(JNIEnv *e
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKScore* ret_ret = MALLOC(sizeof(LDKScore), "LDKScore");
        *ret_ret = Scorer_as_Score(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Scorer_1write(JNIEnv *env, jclass clz, int64_t obj) {
@@ -42562,7 +42562,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Scorer_1read(JNIEnv *env, j
        LDKCResult_ScorerDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ScorerDecodeErrorZ), "LDKCResult_ScorerDecodeErrorZ");
        *ret_conv = Scorer_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ProbabilisticScoringParameters_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -42609,7 +42609,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ProbabilisticScoringParameters
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ProbabilisticScoringParameters_1new(JNIEnv *env, jclass clz, int64_t liquidity_penalty_multiplier_msat_arg, int64_t liquidity_offset_half_life_arg) {
        LDKProbabilisticScoringParameters ret_var = ProbabilisticScoringParameters_new(liquidity_penalty_multiplier_msat_arg, liquidity_offset_half_life_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42622,7 +42622,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ProbabilisticScoringParamet
 
 static inline uintptr_t ProbabilisticScoringParameters_clone_ptr(LDKProbabilisticScoringParameters *NONNULL_PTR arg) {
        LDKProbabilisticScoringParameters ret_var = ProbabilisticScoringParameters_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42632,12 +42632,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ProbabilisticScoringParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ProbabilisticScoringParameters_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKProbabilisticScoringParameters arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ProbabilisticScoringParameters_clone_ptr(&arg_conv);
+       int64_t ret_val = ProbabilisticScoringParameters_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -42647,7 +42647,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ProbabilisticScoringParamet
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKProbabilisticScoringParameters ret_var = ProbabilisticScoringParameters_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42677,12 +42677,12 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ProbabilisticScoringParamet
        LDKCResult_ProbabilisticScoringParametersDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_ProbabilisticScoringParametersDecodeErrorZ), "LDKCResult_ProbabilisticScoringParametersDecodeErrorZ");
        *ret_conv = ProbabilisticScoringParameters_read(ser_ref);
        (*env)->ReleaseByteArrayElements(env, ser, (int8_t*)ser_ref.data, 0);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ProbabilisticScoringParameters_1default(JNIEnv *env, jclass clz) {
        LDKProbabilisticScoringParameters ret_var = ProbabilisticScoringParameters_default();
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42704,7 +42704,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1free(JNIE
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1new(JNIEnv *env, jclass clz, jstring path_to_channel_data) {
        LDKStr path_to_channel_data_conv = java_to_owned_str(env, path_to_channel_data);
        LDKFilesystemPersister ret_var = FilesystemPersister_new(path_to_channel_data_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42734,7 +42734,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1persis
        CHECK_INNER_FIELD_ACCESS_OR_NULL(manager_conv);
        LDKCResult_NoneErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneErrorZ), "LDKCResult_NoneErrorZ");
        *ret_conv = FilesystemPersister_persist_manager(data_dir_conv, &manager_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1read_1channelmonitors(JNIEnv *env, jclass clz, int64_t this_arg, int64_t keys_manager) {
@@ -42751,7 +42751,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1read_1
        }
        LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ), "LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ");
        *ret_conv = FilesystemPersister_read_channelmonitors(&this_arg_conv, keys_manager_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1as_1Persist(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -42761,7 +42761,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1as_1Pe
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKPersist* ret_ret = MALLOC(sizeof(LDKPersist), "LDKPersist");
        *ret_ret = FilesystemPersister_as_Persist(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -42820,7 +42820,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1start(
                LDKLogger_JCalls_cloned(&logger_conv);
        }
        LDKBackgroundProcessor ret_var = BackgroundProcessor_start(persister_conv, event_handler_conv, &chain_monitor_conv, &channel_manager_conv, net_graph_msg_handler_conv, &peer_manager_conv, logger_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42839,7 +42839,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1join(J
        // WARNING: we need a move here but no clone is available for LDKBackgroundProcessor
        LDKCResult_NoneErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneErrorZ), "LDKCResult_NoneErrorZ");
        *ret_conv = BackgroundProcessor_join(this_arg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1stop(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -42850,7 +42850,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1stop(J
        // WARNING: we need a move here but no clone is available for LDKBackgroundProcessor
        LDKCResult_NoneErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneErrorZ), "LDKCResult_NoneErrorZ");
        *ret_conv = BackgroundProcessor_stop(this_arg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Invoice_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -42876,7 +42876,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_Invoice_1eq(JNIEnv *env, j
 
 static inline uintptr_t Invoice_clone_ptr(LDKInvoice *NONNULL_PTR arg) {
        LDKInvoice ret_var = Invoice_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42886,12 +42886,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Invoice_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKInvoice arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = Invoice_clone_ptr(&arg_conv);
+       int64_t ret_val = Invoice_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -42901,7 +42901,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1clone(JNIEnv *env,
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKInvoice ret_var = Invoice_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42935,7 +42935,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1eq(JNIEn
 
 static inline uintptr_t SignedRawInvoice_clone_ptr(LDKSignedRawInvoice *NONNULL_PTR arg) {
        LDKSignedRawInvoice ret_var = SignedRawInvoice_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42945,12 +42945,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKSignedRawInvoice arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = SignedRawInvoice_clone_ptr(&arg_conv);
+       int64_t ret_val = SignedRawInvoice_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -42960,7 +42960,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1clone(JNI
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKSignedRawInvoice ret_var = SignedRawInvoice_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -42985,7 +42985,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1get_1data(JNIEn
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKRawDataPart ret_var = RawInvoice_get_data(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43024,7 +43024,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_RawInvoice_1eq(JNIEnv *env
 
 static inline uintptr_t RawInvoice_clone_ptr(LDKRawInvoice *NONNULL_PTR arg) {
        LDKRawInvoice ret_var = RawInvoice_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43034,12 +43034,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRawInvoice arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = RawInvoice_clone_ptr(&arg_conv);
+       int64_t ret_val = RawInvoice_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43049,7 +43049,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1clone(JNIEnv *e
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRawInvoice ret_var = RawInvoice_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43074,7 +43074,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawDataPart_1get_1timestamp
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
        LDKPositiveTimestamp ret_var = RawDataPart_get_timestamp(&this_ptr_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43113,7 +43113,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_RawDataPart_1eq(JNIEnv *en
 
 static inline uintptr_t RawDataPart_clone_ptr(LDKRawDataPart *NONNULL_PTR arg) {
        LDKRawDataPart ret_var = RawDataPart_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43123,12 +43123,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RawDataPart_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawDataPart_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRawDataPart arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = RawDataPart_clone_ptr(&arg_conv);
+       int64_t ret_val = RawDataPart_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43138,7 +43138,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawDataPart_1clone(JNIEnv *
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRawDataPart ret_var = RawDataPart_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43172,7 +43172,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_PositiveTimestamp_1eq(JNIE
 
 static inline uintptr_t PositiveTimestamp_clone_ptr(LDKPositiveTimestamp *NONNULL_PTR arg) {
        LDKPositiveTimestamp ret_var = PositiveTimestamp_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43182,12 +43182,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_PositiveTimestamp_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PositiveTimestamp_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPositiveTimestamp arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = PositiveTimestamp_clone_ptr(&arg_conv);
+       int64_t ret_val = PositiveTimestamp_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43197,7 +43197,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PositiveTimestamp_1clone(JN
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKPositiveTimestamp ret_var = PositiveTimestamp_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43301,7 +43301,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Sha256_1free(JNIEnv *env, jcla
 
 static inline uintptr_t Sha256_clone_ptr(LDKSha256 *NONNULL_PTR arg) {
        LDKSha256 ret_var = Sha256_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43311,12 +43311,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Sha256_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Sha256_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKSha256 arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = Sha256_clone_ptr(&arg_conv);
+       int64_t ret_val = Sha256_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43326,7 +43326,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Sha256_1clone(JNIEnv *env,
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKSha256 ret_var = Sha256_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43369,7 +43369,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Description_1free(JNIEnv *env,
 
 static inline uintptr_t Description_clone_ptr(LDKDescription *NONNULL_PTR arg) {
        LDKDescription ret_var = Description_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43379,12 +43379,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Description_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Description_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKDescription arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = Description_clone_ptr(&arg_conv);
+       int64_t ret_val = Description_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43394,7 +43394,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Description_1clone(JNIEnv *
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKDescription ret_var = Description_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43461,7 +43461,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PayeePubKey_1new(JNIEnv *en
        CHECK((*env)->GetArrayLength(env, a_arg) == 33);
        (*env)->GetByteArrayRegion(env, a_arg, 0, 33, a_arg_ref.compressed_form);
        LDKPayeePubKey ret_var = PayeePubKey_new(a_arg_ref);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43474,7 +43474,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PayeePubKey_1new(JNIEnv *en
 
 static inline uintptr_t PayeePubKey_clone_ptr(LDKPayeePubKey *NONNULL_PTR arg) {
        LDKPayeePubKey ret_var = PayeePubKey_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43484,12 +43484,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_PayeePubKey_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PayeePubKey_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPayeePubKey arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = PayeePubKey_clone_ptr(&arg_conv);
+       int64_t ret_val = PayeePubKey_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43499,7 +43499,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PayeePubKey_1clone(JNIEnv *
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKPayeePubKey ret_var = PayeePubKey_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43542,7 +43542,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ExpiryTime_1free(JNIEnv *env,
 
 static inline uintptr_t ExpiryTime_clone_ptr(LDKExpiryTime *NONNULL_PTR arg) {
        LDKExpiryTime ret_var = ExpiryTime_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43552,12 +43552,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_ExpiryTime_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ExpiryTime_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKExpiryTime arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = ExpiryTime_clone_ptr(&arg_conv);
+       int64_t ret_val = ExpiryTime_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43567,7 +43567,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ExpiryTime_1clone(JNIEnv *e
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKExpiryTime ret_var = ExpiryTime_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43627,7 +43627,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MinFinalCltvExpiry_1set_1a(JNI
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MinFinalCltvExpiry_1new(JNIEnv *env, jclass clz, int64_t a_arg) {
        LDKMinFinalCltvExpiry ret_var = MinFinalCltvExpiry_new(a_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43640,7 +43640,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MinFinalCltvExpiry_1new(JNI
 
 static inline uintptr_t MinFinalCltvExpiry_clone_ptr(LDKMinFinalCltvExpiry *NONNULL_PTR arg) {
        LDKMinFinalCltvExpiry ret_var = MinFinalCltvExpiry_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43650,12 +43650,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_MinFinalCltvExpiry_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MinFinalCltvExpiry_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKMinFinalCltvExpiry arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = MinFinalCltvExpiry_clone_ptr(&arg_conv);
+       int64_t ret_val = MinFinalCltvExpiry_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43665,7 +43665,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MinFinalCltvExpiry_1clone(J
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKMinFinalCltvExpiry ret_var = MinFinalCltvExpiry_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43710,12 +43710,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Fallback_1free(JNIEnv *env, jc
 static inline uintptr_t Fallback_clone_ptr(LDKFallback *NONNULL_PTR arg) {
        LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
        *ret_copy = Fallback_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_Fallback_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Fallback_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKFallback* arg_conv = (LDKFallback*)arg;
-       intptr_t ret_val = Fallback_clone_ptr(arg_conv);
+       int64_t ret_val = Fallback_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -43723,7 +43723,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Fallback_1clone(JNIEnv *env
        LDKFallback* orig_conv = (LDKFallback*)orig;
        LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
        *ret_copy = Fallback_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -43735,7 +43735,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Fallback_1seg_1wit_1program
        (*env)->GetByteArrayRegion(env, program, 0, program_ref.datalen, program_ref.data);
        LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
        *ret_copy = Fallback_seg_wit_program((LDKu5){ ._0 = version }, program_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -43745,7 +43745,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Fallback_1pub_1key_1hash(JN
        (*env)->GetByteArrayRegion(env, a, 0, 20, a_ref.data);
        LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
        *ret_copy = Fallback_pub_key_hash(a_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -43755,7 +43755,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Fallback_1script_1hash(JNIE
        (*env)->GetByteArrayRegion(env, a, 0, 20, a_ref.data);
        LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
        *ret_copy = Fallback_script_hash(a_ref);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -43782,7 +43782,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_InvoiceSignature_1free(JNIEnv
 
 static inline uintptr_t InvoiceSignature_clone_ptr(LDKInvoiceSignature *NONNULL_PTR arg) {
        LDKInvoiceSignature ret_var = InvoiceSignature_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43792,12 +43792,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_InvoiceSignature_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoiceSignature_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKInvoiceSignature arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = InvoiceSignature_clone_ptr(&arg_conv);
+       int64_t ret_val = InvoiceSignature_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43807,7 +43807,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoiceSignature_1clone(JNI
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKInvoiceSignature ret_var = InvoiceSignature_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43841,7 +43841,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PrivateRoute_1free(JNIEnv *env
 
 static inline uintptr_t PrivateRoute_clone_ptr(LDKPrivateRoute *NONNULL_PTR arg) {
        LDKPrivateRoute ret_var = PrivateRoute_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43851,12 +43851,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_PrivateRoute_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PrivateRoute_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPrivateRoute arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = PrivateRoute_clone_ptr(&arg_conv);
+       int64_t ret_val = PrivateRoute_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -43866,7 +43866,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PrivateRoute_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKPrivateRoute ret_var = PrivateRoute_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43907,7 +43907,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1into_1par
        this_arg_conv = SignedRawInvoice_clone(&this_arg_conv);
        LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* ret_conv = MALLOC(sizeof(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ), "LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ");
        *ret_conv = SignedRawInvoice_into_parts(this_arg_conv);
-       return ((uintptr_t)ret_conv);
+       return ((int64_t)ret_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1raw_1invoice(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -43916,7 +43916,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1raw_1invo
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKRawInvoice ret_var = SignedRawInvoice_raw_invoice(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43943,7 +43943,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1signature
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKInvoiceSignature ret_var = SignedRawInvoice_signature(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -43961,7 +43961,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1recover_1
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKCResult_PayeePubKeyErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PayeePubKeyErrorZ), "LDKCResult_PayeePubKeyErrorZ");
        *ret_conv = SignedRawInvoice_recover_payee_pub_key(&this_arg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1check_1signature(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -43989,7 +43989,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1payment_1hash(J
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKSha256 ret_var = RawInvoice_payment_hash(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -44008,7 +44008,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1description(JNI
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKDescription ret_var = RawInvoice_description(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -44027,7 +44027,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1payee_1pub_1key
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKPayeePubKey ret_var = RawInvoice_payee_pub_key(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -44046,7 +44046,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1description_1ha
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKSha256 ret_var = RawInvoice_description_hash(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -44065,7 +44065,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1expiry_1time(JN
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKExpiryTime ret_var = RawInvoice_expiry_time(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -44084,7 +44084,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1min_1final_1clt
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKMinFinalCltvExpiry ret_var = RawInvoice_min_final_cltv_expiry(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -44113,7 +44113,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1features(JNIEnv
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKInvoiceFeatures ret_var = RawInvoice_features(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -44137,7 +44137,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_RawInvoice_1private_1r
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKPrivateRoute ret_conv_14_var = ret_var.data[o];
-               uintptr_t ret_conv_14_ref = 0;
+               int64_t ret_conv_14_ref = 0;
                CHECK((((uintptr_t)ret_conv_14_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_14_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_14_var);
@@ -44159,7 +44159,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RawInvoice_1amount_1pico_1b
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = RawInvoice_amount_pico_btc(&this_arg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -44175,19 +44175,19 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_RawInvoice_1currency(JNIEnv
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PositiveTimestamp_1from_1unix_1timestamp(JNIEnv *env, jclass clz, int64_t unix_seconds) {
        LDKCResult_PositiveTimestampCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PositiveTimestampCreationErrorZ), "LDKCResult_PositiveTimestampCreationErrorZ");
        *ret_conv = PositiveTimestamp_from_unix_timestamp(unix_seconds);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PositiveTimestamp_1from_1system_1time(JNIEnv *env, jclass clz, int64_t time) {
        LDKCResult_PositiveTimestampCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PositiveTimestampCreationErrorZ), "LDKCResult_PositiveTimestampCreationErrorZ");
        *ret_conv = PositiveTimestamp_from_system_time(time);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PositiveTimestamp_1from_1duration_1since_1epoch(JNIEnv *env, jclass clz, int64_t duration) {
        LDKCResult_PositiveTimestampCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PositiveTimestampCreationErrorZ), "LDKCResult_PositiveTimestampCreationErrorZ");
        *ret_conv = PositiveTimestamp_from_duration_since_epoch(duration);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PositiveTimestamp_1as_1unix_1timestamp(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -44224,7 +44224,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1into_1signed_1raw(
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        this_arg_conv = Invoice_clone(&this_arg_conv);
        LDKSignedRawInvoice ret_var = Invoice_into_signed_raw(this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -44242,7 +44242,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1check_1signature(J
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKCResult_NoneSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneSemanticErrorZ), "LDKCResult_NoneSemanticErrorZ");
        *ret_conv = Invoice_check_signature(&this_arg_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1from_1signed(JNIEnv *env, jclass clz, int64_t signed_invoice) {
@@ -44253,7 +44253,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1from_1signed(JNIEn
        signed_invoice_conv = SignedRawInvoice_clone(&signed_invoice_conv);
        LDKCResult_InvoiceSemanticErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSemanticErrorZ), "LDKCResult_InvoiceSemanticErrorZ");
        *ret_conv = Invoice_from_signed(signed_invoice_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1timestamp(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -44310,7 +44310,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1features(JNIEnv *e
        this_arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKInvoiceFeatures ret_var = Invoice_features(&this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        if ((uintptr_t)ret_var.inner > 4096) {
                CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -44380,7 +44380,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_Invoice_1private_1rout
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKPrivateRoute ret_conv_14_var = ret_var.data[o];
-               uintptr_t ret_conv_14_ref = 0;
+               int64_t ret_conv_14_ref = 0;
                CHECK((((uintptr_t)ret_conv_14_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_14_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_14_var);
@@ -44406,7 +44406,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_Invoice_1route_1hints(
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t l = 0; l < ret_var.datalen; l++) {
                LDKRouteHint ret_conv_11_var = ret_var.data[l];
-               uintptr_t ret_conv_11_ref = 0;
+               int64_t ret_conv_11_ref = 0;
                CHECK((((uintptr_t)ret_conv_11_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
                CHECK((((uintptr_t)&ret_conv_11_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
                CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_conv_11_var);
@@ -44437,7 +44437,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1amount_1milli_1sat
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKCOption_u64Z *ret_copy = MALLOC(sizeof(LDKCOption_u64Z), "LDKCOption_u64Z");
        *ret_copy = Invoice_amount_milli_satoshis(&this_arg_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -44445,7 +44445,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Description_1new(JNIEnv *en
        LDKStr description_conv = java_to_owned_str(env, description);
        LDKCResult_DescriptionCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_DescriptionCreationErrorZ), "LDKCResult_DescriptionCreationErrorZ");
        *ret_conv = Description_new(description_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_Description_1into_1inner(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -44462,7 +44462,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_Description_1into_1inner(JN
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ExpiryTime_1from_1seconds(JNIEnv *env, jclass clz, int64_t seconds) {
        LDKExpiryTime ret_var = ExpiryTime_from_seconds(seconds);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -44475,7 +44475,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ExpiryTime_1from_1seconds(J
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ExpiryTime_1from_1duration(JNIEnv *env, jclass clz, int64_t duration) {
        LDKExpiryTime ret_var = ExpiryTime_from_duration(duration);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -44512,7 +44512,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PrivateRoute_1new(JNIEnv *e
        hops_conv = RouteHint_clone(&hops_conv);
        LDKCResult_PrivateRouteCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PrivateRouteCreationErrorZ), "LDKCResult_PrivateRouteCreationErrorZ");
        *ret_conv = PrivateRoute_new(hops_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PrivateRoute_1into_1inner(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -44522,7 +44522,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PrivateRoute_1into_1inner(J
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        this_arg_conv = PrivateRoute_clone(&this_arg_conv);
        LDKRouteHint ret_var = PrivateRoute_into_inner(this_arg_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -44662,12 +44662,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1free(JNIE
 static inline uintptr_t SignOrCreationError_clone_ptr(LDKSignOrCreationError *NONNULL_PTR arg) {
        LDKSignOrCreationError *ret_copy = MALLOC(sizeof(LDKSignOrCreationError), "LDKSignOrCreationError");
        *ret_copy = SignOrCreationError_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKSignOrCreationError* arg_conv = (LDKSignOrCreationError*)arg;
-       intptr_t ret_val = SignOrCreationError_clone_ptr(arg_conv);
+       int64_t ret_val = SignOrCreationError_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -44675,14 +44675,14 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1clone(
        LDKSignOrCreationError* orig_conv = (LDKSignOrCreationError*)orig;
        LDKSignOrCreationError *ret_copy = MALLOC(sizeof(LDKSignOrCreationError), "LDKSignOrCreationError");
        *ret_copy = SignOrCreationError_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1sign_1error(JNIEnv *env, jclass clz) {
        LDKSignOrCreationError *ret_copy = MALLOC(sizeof(LDKSignOrCreationError), "LDKSignOrCreationError");
        *ret_copy = SignOrCreationError_sign_error();
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -44690,7 +44690,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1creati
        LDKCreationError a_conv = LDKCreationError_from_java(env, a);
        LDKSignOrCreationError *ret_copy = MALLOC(sizeof(LDKSignOrCreationError), "LDKSignOrCreationError");
        *ret_copy = SignOrCreationError_creation_error(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -44743,16 +44743,16 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1free(JNIEnv *en
        RetryAttempts_free(this_obj_conv);
 }
 
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1get_1a(JNIEnv *env, jclass clz, int64_t this_ptr) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1get_1a(JNIEnv *env, jclass clz, int64_t this_ptr) {
        LDKRetryAttempts this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_ptr_conv);
-       intptr_t ret_val = RetryAttempts_get_a(&this_ptr_conv);
+       int64_t ret_val = RetryAttempts_get_a(&this_ptr_conv);
        return ret_val;
 }
 
-JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1set_1a(JNIEnv *env, jclass clz, int64_t this_ptr, intptr_t val) {
+JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1set_1a(JNIEnv *env, jclass clz, int64_t this_ptr, int64_t val) {
        LDKRetryAttempts this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
@@ -44760,9 +44760,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1set_1a(JNIEnv *
        RetryAttempts_set_a(&this_ptr_conv, val);
 }
 
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1new(JNIEnv *env, jclass clz, intptr_t a_arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1new(JNIEnv *env, jclass clz, int64_t a_arg) {
        LDKRetryAttempts ret_var = RetryAttempts_new(a_arg);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -44775,7 +44775,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1new(JNIEnv *
 
 static inline uintptr_t RetryAttempts_clone_ptr(LDKRetryAttempts *NONNULL_PTR arg) {
        LDKRetryAttempts ret_var = RetryAttempts_clone(arg);
-uintptr_t ret_ref = 0;
+int64_t ret_ref = 0;
 CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
 CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
 CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -44785,12 +44785,12 @@ if (ret_var.is_owned) {
 }
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKRetryAttempts arg_conv;
        arg_conv.inner = (void*)(arg & (~1));
        arg_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(arg_conv);
-       intptr_t ret_val = RetryAttempts_clone_ptr(&arg_conv);
+       int64_t ret_val = RetryAttempts_clone_ptr(&arg_conv);
        return ret_val;
 }
 
@@ -44800,7 +44800,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RetryAttempts_1clone(JNIEnv
        orig_conv.is_owned = false;
        CHECK_INNER_FIELD_ACCESS_OR_NULL(orig_conv);
        LDKRetryAttempts ret_var = RetryAttempts_clone(&orig_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -44845,12 +44845,12 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PaymentError_1free(JNIEnv *env
 static inline uintptr_t PaymentError_clone_ptr(LDKPaymentError *NONNULL_PTR arg) {
        LDKPaymentError *ret_copy = MALLOC(sizeof(LDKPaymentError), "LDKPaymentError");
        *ret_copy = PaymentError_clone(arg);
-uintptr_t ret_ref = (uintptr_t)ret_copy;
+int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
-JNIEXPORT intptr_t JNICALL Java_org_ldk_impl_bindings_PaymentError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentError_1clone_1ptr(JNIEnv *env, jclass clz, int64_t arg) {
        LDKPaymentError* arg_conv = (LDKPaymentError*)arg;
-       intptr_t ret_val = PaymentError_clone_ptr(arg_conv);
+       int64_t ret_val = PaymentError_clone_ptr(arg_conv);
        return ret_val;
 }
 
@@ -44858,7 +44858,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentError_1clone(JNIEnv
        LDKPaymentError* orig_conv = (LDKPaymentError*)orig;
        LDKPaymentError *ret_copy = MALLOC(sizeof(LDKPaymentError), "LDKPaymentError");
        *ret_copy = PaymentError_clone(orig_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -44866,7 +44866,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentError_1invoice(JNIEn
        LDKStr a_conv = java_to_owned_str(env, a);
        LDKPaymentError *ret_copy = MALLOC(sizeof(LDKPaymentError), "LDKPaymentError");
        *ret_copy = PaymentError_invoice(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -44878,7 +44878,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentError_1routing(JNIEn
        a_conv = LightningError_clone(&a_conv);
        LDKPaymentError *ret_copy = MALLOC(sizeof(LDKPaymentError), "LDKPaymentError");
        *ret_copy = PaymentError_routing(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -44889,7 +44889,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentError_1sending(JNIEn
        a_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uintptr_t)a) & ~1));
        LDKPaymentError *ret_copy = MALLOC(sizeof(LDKPaymentError), "LDKPaymentError");
        *ret_copy = PaymentError_sending(a_conv);
-       uintptr_t ret_ref = (uintptr_t)ret_copy;
+       int64_t ret_ref = (uintptr_t)ret_copy;
        return ret_ref;
 }
 
@@ -44932,7 +44932,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoicePayer_1new(JNIEnv *e
        CHECK_INNER_FIELD_ACCESS_OR_NULL(retry_attempts_conv);
        retry_attempts_conv = RetryAttempts_clone(&retry_attempts_conv);
        LDKInvoicePayer ret_var = InvoicePayer_new(payer_conv, router_conv, &scorer_conv, logger_conv, event_handler_conv, retry_attempts_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -44954,7 +44954,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoicePayer_1pay_1invoice(
        CHECK_INNER_FIELD_ACCESS_OR_NULL(invoice_conv);
        LDKCResult_PaymentIdPaymentErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentErrorZ), "LDKCResult_PaymentIdPaymentErrorZ");
        *ret_conv = InvoicePayer_pay_invoice(&this_arg_conv, &invoice_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoicePayer_1pay_1zero_1value_1invoice(JNIEnv *env, jclass clz, int64_t this_arg, int64_t invoice, int64_t amount_msats) {
@@ -44968,7 +44968,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoicePayer_1pay_1zero_1va
        CHECK_INNER_FIELD_ACCESS_OR_NULL(invoice_conv);
        LDKCResult_PaymentIdPaymentErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentErrorZ), "LDKCResult_PaymentIdPaymentErrorZ");
        *ret_conv = InvoicePayer_pay_zero_value_invoice(&this_arg_conv, &invoice_conv, amount_msats);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoicePayer_1pay_1pubkey(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray pubkey, int8_tArray payment_preimage, int64_t amount_msats, int32_t final_cltv_expiry_delta) {
@@ -44984,7 +44984,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoicePayer_1pay_1pubkey(J
        (*env)->GetByteArrayRegion(env, payment_preimage, 0, 32, payment_preimage_ref.data);
        LDKCResult_PaymentIdPaymentErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentErrorZ), "LDKCResult_PaymentIdPaymentErrorZ");
        *ret_conv = InvoicePayer_pay_pubkey(&this_arg_conv, pubkey_ref, payment_preimage_ref, amount_msats, final_cltv_expiry_delta);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_InvoicePayer_1remove_1cached_1payment(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray payment_hash) {
@@ -45006,7 +45006,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvoicePayer_1as_1EventHand
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKEventHandler* ret_ret = MALLOC(sizeof(LDKEventHandler), "LDKEventHandler");
        *ret_ret = InvoicePayer_as_EventHandler(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_create_1phantom_1invoice(JNIEnv *env, jclass clz, int64_t amt_msat, jstring description, int8_tArray payment_hash, int8_tArray payment_secret, int64_tArray phantom_route_hints, int64_t keys_manager, jclass network) {
@@ -45048,7 +45048,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_create_1phantom_1invoice(JN
        LDKCurrency network_conv = LDKCurrency_from_java(env, network);
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
        *ret_conv = create_phantom_invoice(amt_msat_conv, description_conv, payment_hash_ref, payment_secret_ref, phantom_route_hints_constr, keys_manager_conv, network_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_create_1invoice_1from_1channelmanager(JNIEnv *env, jclass clz, int64_t channelmanager, int64_t keys_manager, jclass network, int64_t amt_msat, jstring description) {
@@ -45071,7 +45071,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_create_1invoice_1from_1chan
        LDKStr description_conv = java_to_owned_str(env, description);
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
        *ret_conv = create_invoice_from_channelmanager(&channelmanager_conv, keys_manager_conv, network_conv, amt_msat_conv, description_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_create_1invoice_1from_1channelmanager_1and_1duration_1since_1epoch(JNIEnv *env, jclass clz, int64_t channelmanager, int64_t keys_manager, jclass network, int64_t amt_msat, jstring description, int64_t duration_since_epoch) {
@@ -45094,7 +45094,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_create_1invoice_1from_1chan
        LDKStr description_conv = java_to_owned_str(env, description);
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
        *ret_conv = create_invoice_from_channelmanager_and_duration_since_epoch(&channelmanager_conv, keys_manager_conv, network_conv, amt_msat_conv, description_conv, duration_since_epoch);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DefaultRouter_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
@@ -45118,7 +45118,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DefaultRouter_1new(JNIEnv *
                LDKLogger_JCalls_cloned(&logger_conv);
        }
        LDKDefaultRouter ret_var = DefaultRouter_new(&network_graph_conv, logger_conv);
-       uintptr_t ret_ref = 0;
+       int64_t ret_ref = 0;
        CHECK((((uintptr_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uintptr_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        CHECK_INNER_FIELD_ACCESS_OR_NULL(ret_var);
@@ -45136,7 +45136,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DefaultRouter_1as_1Router(J
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKRouter* ret_ret = MALLOC(sizeof(LDKRouter), "LDKRouter");
        *ret_ret = DefaultRouter_as_Router(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1Payer(JNIEnv *env, jclass clz, int64_t this_arg) {
@@ -45146,28 +45146,28 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1as_1Payer(J
        CHECK_INNER_FIELD_ACCESS_OR_NULL(this_arg_conv);
        LDKPayer* ret_ret = MALLOC(sizeof(LDKPayer), "LDKPayer");
        *ret_ret = ChannelManager_as_Payer(&this_arg_conv);
-       return (uintptr_t)ret_ret;
+       return (int64_t)ret_ret;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SiPrefix_1from_1str(JNIEnv *env, jclass clz, jstring s) {
        LDKStr s_conv = java_to_owned_str(env, s);
        LDKCResult_SiPrefixNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SiPrefixNoneZ), "LDKCResult_SiPrefixNoneZ");
        *ret_conv = SiPrefix_from_str(s_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Invoice_1from_1str(JNIEnv *env, jclass clz, jstring s) {
        LDKStr s_conv = java_to_owned_str(env, s);
        LDKCResult_InvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceNoneZ), "LDKCResult_InvoiceNoneZ");
        *ret_conv = Invoice_from_str(s_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1from_1str(JNIEnv *env, jclass clz, jstring s) {
        LDKStr s_conv = java_to_owned_str(env, s);
        LDKCResult_SignedRawInvoiceNoneZ* ret_conv = MALLOC(sizeof(LDKCResult_SignedRawInvoiceNoneZ), "LDKCResult_SignedRawInvoiceNoneZ");
        *ret_conv = SignedRawInvoice_from_str(s_conv);
-       return (uintptr_t)ret_conv;
+       return (int64_t)ret_conv;
 }
 
 JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_Invoice_1to_1str(JNIEnv *env, jclass clz, int64_t o) {