Update auto-generate bindings (incl new RL clone methods)
authorMatt Corallo <git@bluematt.me>
Tue, 19 Oct 2021 06:29:30 +0000 (06:29 +0000)
committerMatt Corallo <git@bluematt.me>
Tue, 19 Oct 2021 06:31:30 +0000 (06:31 +0000)
13 files changed:
src/main/java/org/ldk/impl/bindings.java
src/main/java/org/ldk/structs/ClosingTransaction.java
src/main/java/org/ldk/structs/InvalidShutdownScript.java
src/main/java/org/ldk/structs/Result_ShutdownScriptInvalidShutdownScriptZ.java
src/main/jni/bindings.c
src/main/jni/bindings.c.body
src/main/jni/org_ldk_impl_bindings.h
ts/bindings.c
ts/bindings.c.body
ts/bindings.ts
ts/structs/ClosingTransaction.ts
ts/structs/InvalidShutdownScript.ts
ts/structs/Result_ShutdownScriptInvalidShutdownScriptZ.ts

index 0a875796348fda2059a9601e201e4495c3f5abd4..c919af6a45022b4e7472c16e2469adb44e4250d5 100644 (file)
@@ -174,7 +174,6 @@ public class bindings {
        public static native boolean LDKCResult_TxOutAccessErrorZ_result_ok(long arg);
        public static native long LDKCResult_TxOutAccessErrorZ_get_ok(long arg);
        public static native AccessError LDKCResult_TxOutAccessErrorZ_get_err(long arg);
-       public static native long LDKC2Tuple_usizeTransactionZ_new(long a, byte[] b);
        // uintptr_t C2Tuple_usizeTransactionZ_get_a(LDKC2Tuple_usizeTransactionZ *NONNULL_PTR tuple);
        public static native long C2Tuple_usizeTransactionZ_get_a(long tuple);
        // struct LDKTransaction C2Tuple_usizeTransactionZ_get_b(LDKC2Tuple_usizeTransactionZ *NONNULL_PTR tuple);
@@ -409,7 +408,6 @@ public class bindings {
        public static native boolean LDKCResult_NoneNoneZ_result_ok(long arg);
        public static native void LDKCResult_NoneNoneZ_get_ok(long arg);
        public static native void LDKCResult_NoneNoneZ_get_err(long arg);
-       public static native long LDKC2Tuple_SignatureCVec_SignatureZZ_new(byte[] a, byte[][] b);
        // struct LDKSignature C2Tuple_SignatureCVec_SignatureZZ_get_a(LDKC2Tuple_SignatureCVec_SignatureZZ *NONNULL_PTR tuple);
        public static native byte[] C2Tuple_SignatureCVec_SignatureZZ_get_a(long tuple);
        // struct LDKCVec_SignatureZ C2Tuple_SignatureCVec_SignatureZZ_get_b(LDKC2Tuple_SignatureCVec_SignatureZZ *NONNULL_PTR tuple);
@@ -487,7 +485,6 @@ public class bindings {
        public static native boolean LDKCResult_TransactionNoneZ_result_ok(long arg);
        public static native byte[] LDKCResult_TransactionNoneZ_get_ok(long arg);
        public static native void LDKCResult_TransactionNoneZ_get_err(long arg);
-       public static native long LDKC2Tuple_BlockHashChannelMonitorZ_new(byte[] a, long b);
        // struct LDKThirtyTwoBytes C2Tuple_BlockHashChannelMonitorZ_get_a(LDKC2Tuple_BlockHashChannelMonitorZ *NONNULL_PTR tuple);
        public static native byte[] C2Tuple_BlockHashChannelMonitorZ_get_a(long tuple);
        // struct LDKChannelMonitor C2Tuple_BlockHashChannelMonitorZ_get_b(LDKC2Tuple_BlockHashChannelMonitorZ *NONNULL_PTR tuple);
@@ -578,7 +575,6 @@ public class bindings {
        public static native boolean LDKCResult_NonePaymentSendFailureZ_result_ok(long arg);
        public static native void LDKCResult_NonePaymentSendFailureZ_get_ok(long arg);
        public static native long LDKCResult_NonePaymentSendFailureZ_get_err(long arg);
-       public static native long LDKC2Tuple_PaymentHashPaymentIdZ_new(byte[] a, long b);
        // struct LDKThirtyTwoBytes C2Tuple_PaymentHashPaymentIdZ_get_a(LDKC2Tuple_PaymentHashPaymentIdZ *NONNULL_PTR tuple);
        public static native byte[] C2Tuple_PaymentHashPaymentIdZ_get_a(long tuple);
        // struct LDKPaymentId C2Tuple_PaymentHashPaymentIdZ_get_b(LDKC2Tuple_PaymentHashPaymentIdZ *NONNULL_PTR tuple);
@@ -615,7 +611,6 @@ public class bindings {
        static { LDKNetAddress.init(); }
        public static native LDKNetAddress LDKNetAddress_ref_from_ptr(long ptr);
        public static native long LDKCVec_NetAddressZ_new(long[] elems);
-       public static native long LDKC2Tuple_PaymentHashPaymentSecretZ_new(byte[] a, byte[] b);
        // struct LDKThirtyTwoBytes C2Tuple_PaymentHashPaymentSecretZ_get_a(LDKC2Tuple_PaymentHashPaymentSecretZ *NONNULL_PTR tuple);
        public static native byte[] C2Tuple_PaymentHashPaymentSecretZ_get_a(long tuple);
        // struct LDKThirtyTwoBytes C2Tuple_PaymentHashPaymentSecretZ_get_b(LDKC2Tuple_PaymentHashPaymentSecretZ *NONNULL_PTR tuple);
@@ -676,7 +671,6 @@ public class bindings {
                 void log(String record);
        }
        public static native long LDKLogger_new(LDKLogger impl);
-       public static native long LDKC2Tuple_BlockHashChannelManagerZ_new(byte[] a, long b);
        // struct LDKThirtyTwoBytes C2Tuple_BlockHashChannelManagerZ_get_a(LDKC2Tuple_BlockHashChannelManagerZ *NONNULL_PTR tuple);
        public static native byte[] C2Tuple_BlockHashChannelManagerZ_get_a(long tuple);
        // struct LDKChannelManager *C2Tuple_BlockHashChannelManagerZ_get_b(LDKC2Tuple_BlockHashChannelManagerZ *NONNULL_PTR tuple);
@@ -727,7 +721,6 @@ public class bindings {
        public static native boolean LDKCResult_SignedRawInvoiceNoneZ_result_ok(long arg);
        public static native long LDKCResult_SignedRawInvoiceNoneZ_get_ok(long arg);
        public static native void LDKCResult_SignedRawInvoiceNoneZ_get_err(long arg);
-       public static native long LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ_new(long a, byte[] b, long c);
        // struct LDKRawInvoice C3Tuple_RawInvoice_u832InvoiceSignatureZ_get_a(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ *NONNULL_PTR tuple);
        public static native long C3Tuple_RawInvoice_u832InvoiceSignatureZ_get_a(long tuple);
        // struct LDKThirtyTwoBytes C3Tuple_RawInvoice_u832InvoiceSignatureZ_get_b(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ *NONNULL_PTR tuple);
@@ -768,18 +761,15 @@ public class bindings {
        public static native boolean LDKCResult_NoneMonitorUpdateErrorZ_result_ok(long arg);
        public static native void LDKCResult_NoneMonitorUpdateErrorZ_get_ok(long arg);
        public static native long LDKCResult_NoneMonitorUpdateErrorZ_get_err(long arg);
-       public static native long LDKC2Tuple_OutPointScriptZ_new(long a, byte[] b);
        // struct LDKOutPoint C2Tuple_OutPointScriptZ_get_a(LDKC2Tuple_OutPointScriptZ *NONNULL_PTR tuple);
        public static native long C2Tuple_OutPointScriptZ_get_a(long tuple);
        // struct LDKCVec_u8Z C2Tuple_OutPointScriptZ_get_b(LDKC2Tuple_OutPointScriptZ *NONNULL_PTR tuple);
        public static native byte[] C2Tuple_OutPointScriptZ_get_b(long tuple);
-       public static native long LDKC2Tuple_u32ScriptZ_new(int a, byte[] b);
        // uint32_t C2Tuple_u32ScriptZ_get_a(LDKC2Tuple_u32ScriptZ *NONNULL_PTR tuple);
        public static native int C2Tuple_u32ScriptZ_get_a(long tuple);
        // struct LDKCVec_u8Z C2Tuple_u32ScriptZ_get_b(LDKC2Tuple_u32ScriptZ *NONNULL_PTR tuple);
        public static native byte[] C2Tuple_u32ScriptZ_get_b(long tuple);
        public static native long LDKCVec_C2Tuple_u32ScriptZZ_new(long[] elems);
-       public static native long LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_new(byte[] a, long[] b);
        // struct LDKThirtyTwoBytes C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_get_a(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ *NONNULL_PTR tuple);
        public static native byte[] C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_get_a(long tuple);
        // struct LDKCVec_C2Tuple_u32ScriptZZ C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_get_b(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ *NONNULL_PTR tuple);
@@ -888,13 +878,11 @@ public class bindings {
        static { LDKEvent.init(); }
        public static native LDKEvent LDKEvent_ref_from_ptr(long ptr);
        public static native long LDKCVec_EventZ_new(long[] elems);
-       public static native long LDKC2Tuple_u32TxOutZ_new(int a, long b);
        // uint32_t C2Tuple_u32TxOutZ_get_a(LDKC2Tuple_u32TxOutZ *NONNULL_PTR tuple);
        public static native int C2Tuple_u32TxOutZ_get_a(long tuple);
        // struct LDKTxOut C2Tuple_u32TxOutZ_get_b(LDKC2Tuple_u32TxOutZ *NONNULL_PTR tuple);
        public static native long C2Tuple_u32TxOutZ_get_b(long tuple);
        public static native long LDKCVec_C2Tuple_u32TxOutZZ_new(long[] elems);
-       public static native long LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_new(byte[] a, long[] b);
        // struct LDKThirtyTwoBytes C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_get_a(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ *NONNULL_PTR tuple);
        public static native byte[] C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_get_a(long tuple);
        // struct LDKCVec_C2Tuple_u32TxOutZZ C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_get_b(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ *NONNULL_PTR tuple);
@@ -932,7 +920,6 @@ public class bindings {
        public static native boolean LDKCResult_NoneLightningErrorZ_result_ok(long arg);
        public static native void LDKCResult_NoneLightningErrorZ_get_ok(long arg);
        public static native long LDKCResult_NoneLightningErrorZ_get_err(long arg);
-       public static native long LDKC2Tuple_PublicKeyTypeZ_new(byte[] a, long b);
        // struct LDKPublicKey C2Tuple_PublicKeyTypeZ_get_a(LDKC2Tuple_PublicKeyTypeZ *NONNULL_PTR tuple);
        public static native byte[] C2Tuple_PublicKeyTypeZ_get_a(long tuple);
        // struct LDKType C2Tuple_PublicKeyTypeZ_get_b(LDKC2Tuple_PublicKeyTypeZ *NONNULL_PTR tuple);
@@ -941,7 +928,6 @@ public class bindings {
        public static native boolean LDKCResult_boolLightningErrorZ_result_ok(long arg);
        public static native boolean LDKCResult_boolLightningErrorZ_get_ok(long arg);
        public static native long LDKCResult_boolLightningErrorZ_get_err(long arg);
-       public static native long LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_new(long a, long b, long c);
        // struct LDKChannelAnnouncement C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_a(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ *NONNULL_PTR tuple);
        public static native long C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_a(long tuple);
        // struct LDKChannelUpdate C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_b(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ *NONNULL_PTR tuple);
@@ -1517,6 +1503,8 @@ public class bindings {
        public static native long CResult_ShutdownScriptInvalidShutdownScriptZ_err(long e);
        // void CResult_ShutdownScriptInvalidShutdownScriptZ_free(struct LDKCResult_ShutdownScriptInvalidShutdownScriptZ _res);
        public static native void CResult_ShutdownScriptInvalidShutdownScriptZ_free(long _res);
+       // struct LDKCResult_ShutdownScriptInvalidShutdownScriptZ CResult_ShutdownScriptInvalidShutdownScriptZ_clone(const struct LDKCResult_ShutdownScriptInvalidShutdownScriptZ *NONNULL_PTR orig);
+       public static native long CResult_ShutdownScriptInvalidShutdownScriptZ_clone(long orig);
        // struct LDKCResult_NoneErrorZ CResult_NoneErrorZ_ok(void);
        public static native long CResult_NoneErrorZ_ok();
        // struct LDKCResult_NoneErrorZ CResult_NoneErrorZ_err(enum LDKIOError e);
@@ -4531,6 +4519,10 @@ public class bindings {
        public static native byte[] BuiltCommitmentTransaction_sign(long this_arg, byte[] funding_key, byte[] funding_redeemscript, long channel_value_satoshis);
        // void ClosingTransaction_free(struct LDKClosingTransaction this_obj);
        public static native void ClosingTransaction_free(long this_obj);
+       // struct LDKClosingTransaction ClosingTransaction_clone(const struct LDKClosingTransaction *NONNULL_PTR orig);
+       public static native long ClosingTransaction_clone(long orig);
+       // uint64_t ClosingTransaction_hash(const struct LDKClosingTransaction *NONNULL_PTR o);
+       public static native long ClosingTransaction_hash(long o);
        // MUST_USE_RES struct LDKClosingTransaction ClosingTransaction_new(uint64_t to_holder_value_sat, uint64_t to_counterparty_value_sat, struct LDKCVec_u8Z to_holder_script, struct LDKCVec_u8Z to_counterparty_script, struct LDKOutPoint funding_outpoint);
        public static native long ClosingTransaction_new(long to_holder_value_sat, long to_counterparty_value_sat, byte[] to_holder_script, byte[] to_counterparty_script, long funding_outpoint);
        // MUST_USE_RES struct LDKTrustedClosingTransaction ClosingTransaction_trust(const struct LDKClosingTransaction *NONNULL_PTR this_arg);
@@ -4667,6 +4659,8 @@ public class bindings {
        public static native void InvalidShutdownScript_set_script(long this_ptr, byte[] val);
        // MUST_USE_RES struct LDKInvalidShutdownScript InvalidShutdownScript_new(struct LDKCVec_u8Z script_arg);
        public static native long InvalidShutdownScript_new(byte[] script_arg);
+       // struct LDKInvalidShutdownScript InvalidShutdownScript_clone(const struct LDKInvalidShutdownScript *NONNULL_PTR orig);
+       public static native long InvalidShutdownScript_clone(long orig);
        // struct LDKCVec_u8Z ShutdownScript_write(const struct LDKShutdownScript *NONNULL_PTR obj);
        public static native byte[] ShutdownScript_write(long obj);
        // struct LDKCResult_ShutdownScriptDecodeErrorZ ShutdownScript_read(struct LDKu8slice ser);
index e08a432f05ad9e4744f03c86daf04d02e76acc6f..c3a3a82262a22787824f7ee9d976f39322646941 100644 (file)
@@ -23,6 +23,25 @@ public class ClosingTransaction extends CommonBase {
                if (ptr != 0) { bindings.ClosingTransaction_free(ptr); }
        }
 
+       /**
+        * Creates a copy of the ClosingTransaction
+        */
+       public ClosingTransaction clone() {
+               long ret = bindings.ClosingTransaction_clone(this.ptr);
+               if (ret >= 0 && ret < 1024) { return null; }
+               ClosingTransaction ret_hu_conv = new ClosingTransaction(null, ret);
+               ret_hu_conv.ptrs_to.add(this);
+               return ret_hu_conv;
+       }
+
+       /**
+        * Checks if two ClosingTransactions contain equal inner contents.
+        */
+       public long hash() {
+               long ret = bindings.ClosingTransaction_hash(this.ptr);
+               return ret;
+       }
+
        /**
         * Construct an object of the class
         */
index 16fe91f19db4fa8a41f5564c2e3ca4ff9d5ad8d1..f4cec25f9e4254e022ea187a768b3ce692777d1c 100644 (file)
@@ -49,4 +49,15 @@ public class InvalidShutdownScript extends CommonBase {
                return ret_hu_conv;
        }
 
+       /**
+        * Creates a copy of the InvalidShutdownScript
+        */
+       public InvalidShutdownScript clone() {
+               long ret = bindings.InvalidShutdownScript_clone(this.ptr);
+               if (ret >= 0 && ret < 1024) { return null; }
+               InvalidShutdownScript ret_hu_conv = new InvalidShutdownScript(null, ret);
+               ret_hu_conv.ptrs_to.add(this);
+               return ret_hu_conv;
+       }
+
 }
index 3d516e83d7c407ce42436106e669beda05dce1fb..ab9bb0b4aac508bbd3a14fd8fbb564384a7bac0a 100644 (file)
@@ -54,8 +54,19 @@ public class Result_ShutdownScriptInvalidShutdownScriptZ extends CommonBase {
        /**
         * Creates a new CResult_ShutdownScriptInvalidShutdownScriptZ in the error state.
         */
-       public static Result_ShutdownScriptInvalidShutdownScriptZ err(byte[] e_script_arg) {
-               long ret = bindings.CResult_ShutdownScriptInvalidShutdownScriptZ_err(bindings.InvalidShutdownScript_new(e_script_arg));
+       public static Result_ShutdownScriptInvalidShutdownScriptZ err(InvalidShutdownScript e) {
+               long ret = bindings.CResult_ShutdownScriptInvalidShutdownScriptZ_err(e == null ? 0 : e.ptr & ~1);
+               if (ret >= 0 && ret < 1024) { return null; }
+               Result_ShutdownScriptInvalidShutdownScriptZ ret_hu_conv = Result_ShutdownScriptInvalidShutdownScriptZ.constr_from_ptr(ret);
+               return ret_hu_conv;
+       }
+
+       /**
+        * Creates a new CResult_ShutdownScriptInvalidShutdownScriptZ which has the same data as `orig`
+        * but with all dynamically-allocated buffers duplicated in new buffers.
+        */
+       public Result_ShutdownScriptInvalidShutdownScriptZ clone() {
+               long ret = bindings.CResult_ShutdownScriptInvalidShutdownScriptZ_clone(this.ptr);
                if (ret >= 0 && ret < 1024) { return null; }
                Result_ShutdownScriptInvalidShutdownScriptZ ret_hu_conv = Result_ShutdownScriptInvalidShutdownScriptZ.constr_from_ptr(ret);
                return ret_hu_conv;
index 83b7eee59ea06a5b215612861161fb44eaace0a0..dc002cc070ec6cfa126b5095d60374b5c281ed18 100644 (file)
@@ -12,6 +12,7 @@
 #define DEBUG_PRINT(...) fprintf(stderr, __VA_ARGS__)
 #define MALLOC(a, _) malloc(a)
 #define FREE(p) if ((uint64_t)(p) > 1024) { free(p); }
+#define CHECK_ACCESS(p)
 #define DO_ASSERT(a) (void)(a)
 #define CHECK(a)
 
@@ -1308,17 +1309,6 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_LDKCResult_1TxOutAccessError
        jclass err_conv = LDKAccessError_to_java(env, (*val->contents.err));
        return err_conv;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1usizeTransactionZ_1new(JNIEnv *env, jclass clz, int64_t a, int8_tArray b) {
-       LDKC2Tuple_usizeTransactionZ* ret = MALLOC(sizeof(LDKC2Tuple_usizeTransactionZ), "LDKC2Tuple_usizeTransactionZ");
-       ret->a = a;
-       LDKTransaction b_ref;
-       b_ref.datalen = (*env)->GetArrayLength(env, b);
-       b_ref.data = MALLOC(b_ref.datalen, "LDKTransaction Bytes");
-       (*env)->GetByteArrayRegion(env, b, 0, b_ref.datalen, b_ref.data);
-       b_ref.data_is_owned = false;
-       ret->b = b_ref;
-       return (uint64_t)ret;
-}
 static inline uintptr_t C2Tuple_usizeTransactionZ_get_a(LDKC2Tuple_usizeTransactionZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -1350,7 +1340,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1C2Tuple_1usizeTran
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKC2Tuple_usizeTransactionZ arr_elem_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_usizeTransactionZ arr_elem_conv = *(LDKC2Tuple_usizeTransactionZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -1432,7 +1424,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1MonitorEventZ_1new
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKMonitorEvent arr_elem_conv = *(LDKMonitorEvent*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKMonitorEvent arr_elem_conv = *(LDKMonitorEvent*)(arr_elem_ptr);
                        arr_elem_conv = MonitorEvent_clone((LDKMonitorEvent*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -1612,7 +1606,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1SpendableOutputDes
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKSpendableOutputDescriptor arr_elem_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKSpendableOutputDescriptor arr_elem_conv = *(LDKSpendableOutputDescriptor*)(arr_elem_ptr);
                        arr_elem_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -2001,7 +1997,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1MessageSendEventZ_
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKMessageSendEvent arr_elem_conv = *(LDKMessageSendEvent*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKMessageSendEvent arr_elem_conv = *(LDKMessageSendEvent*)(arr_elem_ptr);
                        arr_elem_conv = MessageSendEvent_clone((LDKMessageSendEvent*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -2173,28 +2171,6 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_LDKCResult_1NoneNoneZ_1get_1er
        CHECK(!val->result_ok);
        return *val->contents.err;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1SignatureCVec_1SignatureZZ_1new(JNIEnv *env, jclass clz, int8_tArray a, jobjectArray b) {
-       LDKC2Tuple_SignatureCVec_SignatureZZ* ret = MALLOC(sizeof(LDKC2Tuple_SignatureCVec_SignatureZZ), "LDKC2Tuple_SignatureCVec_SignatureZZ");
-       LDKSignature a_ref;
-       CHECK((*env)->GetArrayLength(env, a) == 64);
-       (*env)->GetByteArrayRegion(env, a, 0, 64, a_ref.compact_form);
-       ret->a = a_ref;
-       LDKCVec_SignatureZ b_constr;
-       b_constr.datalen = (*env)->GetArrayLength(env, b);
-       if (b_constr.datalen > 0)
-               b_constr.data = MALLOC(b_constr.datalen * sizeof(LDKSignature), "LDKCVec_SignatureZ Elements");
-       else
-               b_constr.data = NULL;
-       for (size_t i = 0; i < b_constr.datalen; i++) {
-               int8_tArray b_conv_8 = (*env)->GetObjectArrayElement(env, b, i);
-               LDKSignature b_conv_8_ref;
-               CHECK((*env)->GetArrayLength(env, b_conv_8) == 64);
-               (*env)->GetByteArrayRegion(env, b_conv_8, 0, 64, b_conv_8_ref.compact_form);
-               b_constr.data[i] = b_conv_8_ref;
-       }
-       ret->b = b_constr;
-       return (uint64_t)ret;
-}
 static inline struct LDKSignature C2Tuple_SignatureCVec_SignatureZZ_get_a(LDKC2Tuple_SignatureCVec_SignatureZZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -2360,7 +2336,9 @@ LDKCResult_NoneNoneZ validate_holder_commitment_LDKBaseSign_jcall(const void* th
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to validate_holder_commitment in LDKBaseSign from rust threw an exception.");
        }
-       LDKCResult_NoneNoneZ ret_conv = *(LDKCResult_NoneNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneNoneZ ret_conv = *(LDKCResult_NoneNoneZ*)(ret_ptr);
        ret_conv = CResult_NoneNoneZ_clone((LDKCResult_NoneNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -2415,7 +2393,9 @@ LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_counterparty_commitment_L
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to sign_counterparty_commitment in LDKBaseSign from rust threw an exception.");
        }
-       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(ret_ptr);
        ret_conv = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_clone((LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -2440,7 +2420,9 @@ LDKCResult_NoneNoneZ validate_counterparty_revocation_LDKBaseSign_jcall(const vo
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to validate_counterparty_revocation in LDKBaseSign from rust threw an exception.");
        }
-       LDKCResult_NoneNoneZ ret_conv = *(LDKCResult_NoneNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneNoneZ ret_conv = *(LDKCResult_NoneNoneZ*)(ret_ptr);
        ret_conv = CResult_NoneNoneZ_clone((LDKCResult_NoneNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -2471,7 +2453,9 @@ LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_holder_commitment_and_htl
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to sign_holder_commitment_and_htlcs in LDKBaseSign from rust threw an exception.");
        }
-       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(ret_ptr);
        ret_conv = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_clone((LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -2500,7 +2484,9 @@ LDKCResult_SignatureNoneZ sign_justice_revoked_output_LDKBaseSign_jcall(const vo
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to sign_justice_revoked_output in LDKBaseSign from rust threw an exception.");
        }
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -2537,7 +2523,9 @@ LDKCResult_SignatureNoneZ sign_justice_revoked_htlc_LDKBaseSign_jcall(const void
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to sign_justice_revoked_htlc in LDKBaseSign from rust threw an exception.");
        }
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -2574,7 +2562,9 @@ LDKCResult_SignatureNoneZ sign_counterparty_htlc_transaction_LDKBaseSign_jcall(c
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to sign_counterparty_htlc_transaction in LDKBaseSign from rust threw an exception.");
        }
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -2591,7 +2581,7 @@ LDKCResult_SignatureNoneZ sign_closing_transaction_LDKBaseSign_jcall(const void*
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKClosingTransaction closing_tx_var = *closing_tx;
-       // Warning: we may need a move here but no clone is available for LDKClosingTransaction
+       closing_tx_var = ClosingTransaction_clone(closing_tx);
        CHECK((((uint64_t)closing_tx_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&closing_tx_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        uint64_t closing_tx_ref = (uint64_t)closing_tx_var.inner;
@@ -2605,7 +2595,9 @@ LDKCResult_SignatureNoneZ sign_closing_transaction_LDKBaseSign_jcall(const void*
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to sign_closing_transaction in LDKBaseSign from rust threw an exception.");
        }
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -2636,7 +2628,9 @@ LDKCResult_SignatureNoneZ sign_channel_announcement_LDKBaseSign_jcall(const void
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to sign_channel_announcement in LDKBaseSign from rust threw an exception.");
        }
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -2737,21 +2731,27 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKBaseSign_1new(JNIEnv *en
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_BaseSign_1get_1per_1commitment_1point(JNIEnv *env, jclass clz, int64_t this_arg, int64_t idx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        int8_tArray ret_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, ret_arr, 0, 33, (this_arg_conv->get_per_commitment_point)(this_arg_conv->this_arg, idx).compressed_form);
        return ret_arr;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_BaseSign_1release_1commitment_1secret(JNIEnv *env, jclass clz, int64_t this_arg, int64_t idx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        int8_tArray ret_arr = (*env)->NewByteArray(env, 32);
        (*env)->SetByteArrayRegion(env, ret_arr, 0, 32, (this_arg_conv->release_commitment_secret)(this_arg_conv->this_arg, idx).data);
        return ret_arr;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1validate_1holder_1commitment(JNIEnv *env, jclass clz, int64_t this_arg, int64_t holder_tx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKHolderCommitmentTransaction holder_tx_conv;
        holder_tx_conv.inner = (void*)(holder_tx & (~1));
        holder_tx_conv.is_owned = false;
@@ -2761,14 +2761,18 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1validate_1holder_
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_BaseSign_1channel_1keys_1id(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        int8_tArray ret_arr = (*env)->NewByteArray(env, 32);
        (*env)->SetByteArrayRegion(env, ret_arr, 0, 32, (this_arg_conv->channel_keys_id)(this_arg_conv->this_arg).data);
        return ret_arr;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1counterparty_1commitment(JNIEnv *env, jclass clz, int64_t this_arg, int64_t commitment_tx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKCommitmentTransaction commitment_tx_conv;
        commitment_tx_conv.inner = (void*)(commitment_tx & (~1));
        commitment_tx_conv.is_owned = false;
@@ -2778,7 +2782,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1counterpart
 }
 
 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) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        unsigned char secret_arr[32];
        CHECK((*env)->GetArrayLength(env, secret) == 32);
        (*env)->GetByteArrayRegion(env, secret, 0, 32, secret_arr);
@@ -2789,7 +2795,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1validate_1counter
 }
 
 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) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKHolderCommitmentTransaction commitment_tx_conv;
        commitment_tx_conv.inner = (void*)(commitment_tx & (~1));
        commitment_tx_conv.is_owned = false;
@@ -2799,7 +2807,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1holder_1com
 }
 
 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) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKTransaction justice_tx_ref;
        justice_tx_ref.datalen = (*env)->GetArrayLength(env, justice_tx);
        justice_tx_ref.data = MALLOC(justice_tx_ref.datalen, "LDKTransaction Bytes");
@@ -2815,7 +2825,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1justice_1re
 }
 
 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) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKTransaction justice_tx_ref;
        justice_tx_ref.datalen = (*env)->GetArrayLength(env, justice_tx);
        justice_tx_ref.data = MALLOC(justice_tx_ref.datalen, "LDKTransaction Bytes");
@@ -2834,7 +2846,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1justice_1re
 }
 
 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) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKTransaction htlc_tx_ref;
        htlc_tx_ref.datalen = (*env)->GetArrayLength(env, htlc_tx);
        htlc_tx_ref.data = MALLOC(htlc_tx_ref.datalen, "LDKTransaction Bytes");
@@ -2852,7 +2866,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1counterpart
 }
 
 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) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKClosingTransaction closing_tx_conv;
        closing_tx_conv.inner = (void*)(closing_tx & (~1));
        closing_tx_conv.is_owned = false;
@@ -2862,7 +2878,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1closing_1tr
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1channel_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKUnsignedChannelAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
@@ -2872,7 +2890,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1channel_1an
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BaseSign_1ready_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int64_t channel_parameters) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKChannelTransactionParameters channel_parameters_conv;
        channel_parameters_conv.inner = (void*)(channel_parameters & (~1));
        channel_parameters_conv.is_owned = false;
@@ -2885,7 +2905,9 @@ LDKChannelPublicKeys LDKBaseSign_set_get_pubkeys(LDKBaseSign* this_arg) {
        return this_arg->pubkeys;
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1get_1pubkeys(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -2987,7 +3009,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKSign_1get_1BaseSign(JNIE
        return (int64_t)(res_ptr | 1);
 }
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Sign_1write(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKSign* this_arg_conv = (LDKSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKSign* this_arg_conv = (LDKSign*)this_arg_ptr;
        LDKCVec_u8Z ret_var = (this_arg_conv->write)(this_arg_conv->this_arg);
        int8_tArray ret_arr = (*env)->NewByteArray(env, ret_var.datalen);
        (*env)->SetByteArrayRegion(env, ret_arr, 0, ret_var.datalen, ret_var.data);
@@ -3089,7 +3113,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1TxOutZ_1new(JNIEnv
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKTxOut arr_elem_conv = *(LDKTxOut*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKTxOut arr_elem_conv = *(LDKTxOut*)(arr_elem_ptr);
                        arr_elem_conv = TxOut_clone((LDKTxOut*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -3120,19 +3146,6 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_LDKCResult_1TransactionNoneZ_1
        CHECK(!val->result_ok);
        return *val->contents.err;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1BlockHashChannelMonitorZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_t b) {
-       LDKC2Tuple_BlockHashChannelMonitorZ* ret = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelMonitorZ), "LDKC2Tuple_BlockHashChannelMonitorZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK((*env)->GetArrayLength(env, a) == 32);
-       (*env)->GetByteArrayRegion(env, a, 0, 32, a_ref.data);
-       ret->a = a_ref;
-       LDKChannelMonitor b_conv;
-       b_conv.inner = (void*)(b & (~1));
-       b_conv.is_owned = (b & 1) || (b == 0);
-       b_conv = ChannelMonitor_clone(&b_conv);
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_BlockHashChannelMonitorZ_get_a(LDKC2Tuple_BlockHashChannelMonitorZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -3168,7 +3181,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1C2Tuple_1BlockHash
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKC2Tuple_BlockHashChannelMonitorZ arr_elem_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_BlockHashChannelMonitorZ arr_elem_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_BlockHashChannelMonitorZ_clone((LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -3360,7 +3375,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1CResult_1NoneAPIEr
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKCResult_NoneAPIErrorZ arr_elem_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKCResult_NoneAPIErrorZ arr_elem_conv = *(LDKCResult_NoneAPIErrorZ*)(arr_elem_ptr);
                        arr_elem_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -3385,7 +3402,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1APIErrorZ_1new(JNI
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKAPIError arr_elem_conv = *(LDKAPIError*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKAPIError arr_elem_conv = *(LDKAPIError*)(arr_elem_ptr);
                        arr_elem_conv = APIError_clone((LDKAPIError*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -3525,19 +3544,6 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCResult_1NonePaymentSend
        uint64_t err_ref = ((uint64_t)&(*val->contents.err)) | 1;
        return err_ref;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1PaymentHashPaymentIdZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_t b) {
-       LDKC2Tuple_PaymentHashPaymentIdZ* ret = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentIdZ), "LDKC2Tuple_PaymentHashPaymentIdZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK((*env)->GetArrayLength(env, a) == 32);
-       (*env)->GetByteArrayRegion(env, a, 0, 32, a_ref.data);
-       ret->a = a_ref;
-       LDKPaymentId b_conv;
-       b_conv.inner = (void*)(b & (~1));
-       b_conv.is_owned = (b & 1) || (b == 0);
-       b_conv = PaymentId_clone(&b_conv);
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_PaymentHashPaymentIdZ_get_a(LDKC2Tuple_PaymentHashPaymentIdZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -3646,7 +3652,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1NetAddressZ_1new(J
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKNetAddress arr_elem_conv = *(LDKNetAddress*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKNetAddress arr_elem_conv = *(LDKNetAddress*)(arr_elem_ptr);
                        arr_elem_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -3661,18 +3669,6 @@ static inline LDKCVec_NetAddressZ CVec_NetAddressZ_clone(const LDKCVec_NetAddres
        }
        return ret;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1PaymentHashPaymentSecretZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int8_tArray b) {
-       LDKC2Tuple_PaymentHashPaymentSecretZ* ret = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentSecretZ), "LDKC2Tuple_PaymentHashPaymentSecretZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK((*env)->GetArrayLength(env, a) == 32);
-       (*env)->GetByteArrayRegion(env, a, 0, 32, a_ref.data);
-       ret->a = a_ref;
-       LDKThirtyTwoBytes b_ref;
-       CHECK((*env)->GetArrayLength(env, b) == 32);
-       (*env)->GetByteArrayRegion(env, b, 0, 32, b_ref.data);
-       ret->b = b_ref;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_PaymentHashPaymentSecretZ_get_a(LDKC2Tuple_PaymentHashPaymentSecretZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -3791,7 +3787,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ watch_channel_LDKWatch_jcall(const void*
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to watch_channel in LDKWatch from rust threw an exception.");
        }
-       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(ret_ptr);
        ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone((LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -3828,7 +3826,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_channel_LDKWatch_jcall(const void
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to update_channel in LDKWatch from rust threw an exception.");
        }
-       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(ret_ptr);
        ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone((LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -3860,7 +3860,9 @@ LDKCVec_MonitorEventZ release_pending_monitor_events_LDKWatch_jcall(const void*
        int64_t* ret_vals = (*env)->GetLongArrayElements (env, ret, NULL);
        for (size_t o = 0; o < ret_constr.datalen; o++) {
                int64_t ret_conv_14 = ret_vals[o];
-               LDKMonitorEvent ret_conv_14_conv = *(LDKMonitorEvent*)(((uint64_t)ret_conv_14) & ~1);
+               void* ret_conv_14_ptr = (void*)(((uint64_t)ret_conv_14) & ~1);
+               CHECK_ACCESS(ret_conv_14_ptr);
+               LDKMonitorEvent ret_conv_14_conv = *(LDKMonitorEvent*)(ret_conv_14_ptr);
                ret_conv_14_conv = MonitorEvent_clone((LDKMonitorEvent*)(((uint64_t)ret_conv_14) & ~1));
                ret_constr.data[o] = ret_conv_14_conv;
        }
@@ -3903,7 +3905,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKWatch_1new(JNIEnv *env,
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Watch_1watch_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int64_t funding_txo, int64_t monitor) {
-       LDKWatch* this_arg_conv = (LDKWatch*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKWatch* this_arg_conv = (LDKWatch*)this_arg_ptr;
        LDKOutPoint funding_txo_conv;
        funding_txo_conv.inner = (void*)(funding_txo & (~1));
        funding_txo_conv.is_owned = (funding_txo & 1) || (funding_txo == 0);
@@ -3918,7 +3922,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Watch_1watch_1channel(JNIEn
 }
 
 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) {
-       LDKWatch* this_arg_conv = (LDKWatch*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKWatch* this_arg_conv = (LDKWatch*)this_arg_ptr;
        LDKOutPoint funding_txo_conv;
        funding_txo_conv.inner = (void*)(funding_txo & (~1));
        funding_txo_conv.is_owned = (funding_txo & 1) || (funding_txo == 0);
@@ -3933,13 +3939,15 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Watch_1update_1channel(JNIE
 }
 
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_Watch_1release_1pending_1monitor_1events(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKWatch* this_arg_conv = (LDKWatch*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKWatch* this_arg_conv = (LDKWatch*)this_arg_ptr;
        LDKCVec_MonitorEventZ ret_var = (this_arg_conv->release_pending_monitor_events)(this_arg_conv->this_arg);
        int64_tArray ret_arr = (*env)->NewLongArray(env, ret_var.datalen);
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKMonitorEvent *ret_conv_14_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
-               *ret_conv_14_copy = MonitorEvent_clone(&ret_var.data[o]);
+               *ret_conv_14_copy = ret_var.data[o];
                uint64_t ret_conv_14_ref = (uint64_t)ret_conv_14_copy;
                ret_arr_ptr[o] = ret_conv_14_ref;
        }
@@ -4022,7 +4030,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKBroadcasterInterface_1ne
        return (uint64_t)res_ptr;
 }
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BroadcasterInterface_1broadcast_1transaction(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray tx) {
-       LDKBroadcasterInterface* this_arg_conv = (LDKBroadcasterInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBroadcasterInterface* this_arg_conv = (LDKBroadcasterInterface*)this_arg_ptr;
        LDKTransaction tx_ref;
        tx_ref.datalen = (*env)->GetArrayLength(env, tx);
        tx_ref.data = MALLOC(tx_ref.datalen, "LDKTransaction Bytes");
@@ -4150,7 +4160,9 @@ LDKSign get_channel_signer_LDKKeysInterface_jcall(const void* this_arg, bool inb
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to get_channel_signer in LDKKeysInterface from rust threw an exception.");
        }
-       LDKSign ret_conv = *(LDKSign*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKSign ret_conv = *(LDKSign*)(ret_ptr);
        ret_conv = Sign_clone(&ret_conv);
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -4200,7 +4212,9 @@ LDKCResult_SignDecodeErrorZ read_chan_signer_LDKKeysInterface_jcall(const void*
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to read_chan_signer in LDKKeysInterface from rust threw an exception.");
        }
-       LDKCResult_SignDecodeErrorZ ret_conv = *(LDKCResult_SignDecodeErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignDecodeErrorZ ret_conv = *(LDKCResult_SignDecodeErrorZ*)(ret_ptr);
        ret_conv = CResult_SignDecodeErrorZ_clone((LDKCResult_SignDecodeErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -4227,7 +4241,9 @@ LDKCResult_RecoverableSignatureNoneZ sign_invoice_LDKKeysInterface_jcall(const v
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to sign_invoice in LDKKeysInterface from rust threw an exception.");
        }
-       LDKCResult_RecoverableSignatureNoneZ ret_conv = *(LDKCResult_RecoverableSignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_RecoverableSignatureNoneZ ret_conv = *(LDKCResult_RecoverableSignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_RecoverableSignatureNoneZ_clone((LDKCResult_RecoverableSignatureNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -4279,14 +4295,18 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKKeysInterface_1new(JNIEn
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1node_1secret(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        int8_tArray ret_arr = (*env)->NewByteArray(env, 32);
        (*env)->SetByteArrayRegion(env, ret_arr, 0, 32, (this_arg_conv->get_node_secret)(this_arg_conv->this_arg).bytes);
        return ret_arr;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1destination_1script(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        LDKCVec_u8Z ret_var = (this_arg_conv->get_destination_script)(this_arg_conv->this_arg);
        int8_tArray ret_arr = (*env)->NewByteArray(env, ret_var.datalen);
        (*env)->SetByteArrayRegion(env, ret_arr, 0, ret_var.datalen, ret_var.data);
@@ -4295,7 +4315,9 @@ JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1des
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1shutdown_1scriptpubkey(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -4307,21 +4329,27 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1shutdow
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1channel_1signer(JNIEnv *env, jclass clz, int64_t this_arg, jboolean inbound, int64_t channel_value_satoshis) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       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 (uint64_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) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        int8_tArray ret_arr = (*env)->NewByteArray(env, 32);
        (*env)->SetByteArrayRegion(env, ret_arr, 0, 32, (this_arg_conv->get_secure_random_bytes)(this_arg_conv->this_arg).data);
        return ret_arr;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1read_1chan_1signer(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray reader) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        LDKu8slice reader_ref;
        reader_ref.datalen = (*env)->GetArrayLength(env, reader);
        reader_ref.data = (*env)->GetByteArrayElements (env, reader, NULL);
@@ -4332,7 +4360,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1read_1chan_1
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1sign_1invoice(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray invoice_preimage) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        LDKCVec_u8Z invoice_preimage_ref;
        invoice_preimage_ref.datalen = (*env)->GetArrayLength(env, invoice_preimage);
        invoice_preimage_ref.data = MALLOC(invoice_preimage_ref.datalen, "LDKCVec_u8Z Bytes");
@@ -4414,7 +4444,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKFeeEstimator_1new(JNIEnv
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int32_t JNICALL Java_org_ldk_impl_bindings_FeeEstimator_1get_1est_1sat_1per_11000_1weight(JNIEnv *env, jclass clz, int64_t this_arg, jclass confirmation_target) {
-       LDKFeeEstimator* this_arg_conv = (LDKFeeEstimator*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKFeeEstimator* this_arg_conv = (LDKFeeEstimator*)this_arg_ptr;
        LDKConfirmationTarget confirmation_target_conv = LDKConfirmationTarget_from_java(env, confirmation_target);
        int32_t ret_val = (this_arg_conv->get_est_sat_per_1000_weight)(this_arg_conv->this_arg, confirmation_target_conv);
        return ret_val;
@@ -4491,19 +4523,6 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKLogger_1new(JNIEnv *env,
        *res_ptr = LDKLogger_init(env, clz, o);
        return (uint64_t)res_ptr;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1BlockHashChannelManagerZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_t b) {
-       LDKC2Tuple_BlockHashChannelManagerZ* ret = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelManagerZ), "LDKC2Tuple_BlockHashChannelManagerZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK((*env)->GetArrayLength(env, a) == 32);
-       (*env)->GetByteArrayRegion(env, a, 0, 32, a_ref.data);
-       ret->a = a_ref;
-       LDKChannelManager b_conv;
-       b_conv.inner = (void*)(b & (~1));
-       b_conv.is_owned = (b & 1) || (b == 0);
-       // Warning: we need a move here but no clone is available for LDKChannelManager
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_BlockHashChannelManagerZ_get_a(LDKC2Tuple_BlockHashChannelManagerZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -4532,8 +4551,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_LDKCResult_1C2Tuple_1Block
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCResult_1C2Tuple_1BlockHashChannelManagerZDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ *val = (LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ*)(arg & ~1);
        CHECK(val->result_ok);
-       LDKC2Tuple_BlockHashChannelManagerZ* res_conv = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelManagerZ), "LDKC2Tuple_BlockHashChannelManagerZ");
-       *res_conv = (*val->contents.result);
+       LDKC2Tuple_BlockHashChannelManagerZ* res_conv = &(*val->contents.result);
        // Warning: we really need to clone here, but no clone is available for LDKC2Tuple_BlockHashChannelManagerZ
        return ((uint64_t)res_conv) | 1;
 }
@@ -4715,13 +4733,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKType_1new(JNIEnv *env, j
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int16_t JNICALL Java_org_ldk_impl_bindings_Type_1type_1id(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKType* this_arg_conv = (LDKType*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKType* this_arg_conv = (LDKType*)this_arg_ptr;
        int16_t ret_val = (this_arg_conv->type_id)(this_arg_conv->this_arg);
        return ret_val;
 }
 
 JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_Type_1debug_1str(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKType* this_arg_conv = (LDKType*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKType* this_arg_conv = (LDKType*)this_arg_ptr;
        LDKStr ret_str = (this_arg_conv->debug_str)(this_arg_conv->this_arg);
        jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
        Str_free(ret_str);
@@ -4729,7 +4751,9 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_Type_1debug_1str(JNIEnv *en
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Type_1write(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKType* this_arg_conv = (LDKType*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKType* this_arg_conv = (LDKType*)this_arg_ptr;
        LDKCVec_u8Z ret_var = (this_arg_conv->write)(this_arg_conv->this_arg);
        int8_tArray ret_arr = (*env)->NewByteArray(env, ret_var.datalen);
        (*env)->SetByteArrayRegion(env, ret_arr, 0, ret_var.datalen, ret_var.data);
@@ -4833,24 +4857,6 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_LDKCResult_1SignedRawInvoiceNo
        CHECK(!val->result_ok);
        return *val->contents.err;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC3Tuple_1RawInvoice_1u832InvoiceSignatureZ_1new(JNIEnv *env, jclass clz, int64_t a, int8_tArray b, int64_t c) {
-       LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* ret = MALLOC(sizeof(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ), "LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ");
-       LDKRawInvoice a_conv;
-       a_conv.inner = (void*)(a & (~1));
-       a_conv.is_owned = (a & 1) || (a == 0);
-       a_conv = RawInvoice_clone(&a_conv);
-       ret->a = a_conv;
-       LDKThirtyTwoBytes b_ref;
-       CHECK((*env)->GetArrayLength(env, b) == 32);
-       (*env)->GetByteArrayRegion(env, b, 0, 32, b_ref.data);
-       ret->b = b_ref;
-       LDKInvoiceSignature c_conv;
-       c_conv.inner = (void*)(c & (~1));
-       c_conv.is_owned = (c & 1) || (c == 0);
-       c_conv = InvoiceSignature_clone(&c_conv);
-       ret->c = c_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKRawInvoice C3Tuple_RawInvoice_u832InvoiceSignatureZ_get_a(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ *NONNULL_PTR tuple){
        return RawInvoice_clone(&tuple->a);
 }
@@ -5115,20 +5121,6 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCResult_1NoneMonitorUpda
        uint64_t err_ref = (uint64_t)err_var.inner & ~1;
        return err_ref;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1OutPointScriptZ_1new(JNIEnv *env, jclass clz, int64_t a, int8_tArray b) {
-       LDKC2Tuple_OutPointScriptZ* ret = MALLOC(sizeof(LDKC2Tuple_OutPointScriptZ), "LDKC2Tuple_OutPointScriptZ");
-       LDKOutPoint a_conv;
-       a_conv.inner = (void*)(a & (~1));
-       a_conv.is_owned = (a & 1) || (a == 0);
-       a_conv = OutPoint_clone(&a_conv);
-       ret->a = a_conv;
-       LDKCVec_u8Z b_ref;
-       b_ref.datalen = (*env)->GetArrayLength(env, b);
-       b_ref.data = MALLOC(b_ref.datalen, "LDKCVec_u8Z Bytes");
-       (*env)->GetByteArrayRegion(env, b, 0, b_ref.datalen, b_ref.data);
-       ret->b = b_ref;
-       return (uint64_t)ret;
-}
 static inline struct LDKOutPoint C2Tuple_OutPointScriptZ_get_a(LDKC2Tuple_OutPointScriptZ *NONNULL_PTR tuple){
        return OutPoint_clone(&tuple->a);
 }
@@ -5156,16 +5148,6 @@ JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScript
        return ret_arr;
 }
 
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1u32ScriptZ_1new(JNIEnv *env, jclass clz, int32_t a, int8_tArray b) {
-       LDKC2Tuple_u32ScriptZ* ret = MALLOC(sizeof(LDKC2Tuple_u32ScriptZ), "LDKC2Tuple_u32ScriptZ");
-       ret->a = a;
-       LDKCVec_u8Z b_ref;
-       b_ref.datalen = (*env)->GetArrayLength(env, b);
-       b_ref.data = MALLOC(b_ref.datalen, "LDKCVec_u8Z Bytes");
-       (*env)->GetByteArrayRegion(env, b, 0, b_ref.datalen, b_ref.data);
-       ret->b = b_ref;
-       return (uint64_t)ret;
-}
 static inline uint32_t C2Tuple_u32ScriptZ_get_a(LDKC2Tuple_u32ScriptZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -5197,7 +5179,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1C2Tuple_1u32Script
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKC2Tuple_u32ScriptZ arr_elem_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_u32ScriptZ arr_elem_conv = *(LDKC2Tuple_u32ScriptZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_u32ScriptZ_clone((LDKC2Tuple_u32ScriptZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -5212,29 +5196,6 @@ static inline LDKCVec_C2Tuple_u32ScriptZZ CVec_C2Tuple_u32ScriptZZ_clone(const L
        }
        return ret;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1TxidCVec_1C2Tuple_1u32ScriptZZZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_tArray b) {
-       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ* ret = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK((*env)->GetArrayLength(env, a) == 32);
-       (*env)->GetByteArrayRegion(env, a, 0, 32, a_ref.data);
-       ret->a = a_ref;
-       LDKCVec_C2Tuple_u32ScriptZZ b_constr;
-       b_constr.datalen = (*env)->GetArrayLength(env, b);
-       if (b_constr.datalen > 0)
-               b_constr.data = MALLOC(b_constr.datalen * sizeof(LDKC2Tuple_u32ScriptZ), "LDKCVec_C2Tuple_u32ScriptZZ Elements");
-       else
-               b_constr.data = NULL;
-       int64_t* b_vals = (*env)->GetLongArrayElements (env, b, NULL);
-       for (size_t v = 0; v < b_constr.datalen; v++) {
-               int64_t b_conv_21 = b_vals[v];
-               LDKC2Tuple_u32ScriptZ b_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)b_conv_21) & ~1);
-               b_conv_21_conv = C2Tuple_u32ScriptZ_clone((LDKC2Tuple_u32ScriptZ*)(((uint64_t)b_conv_21) & ~1));
-               b_constr.data[v] = b_conv_21_conv;
-       }
-       (*env)->ReleaseLongArrayElements(env, b, b_vals, 0);
-       ret->b = b_constr;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_get_a(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -5273,7 +5234,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1C2Tuple_1TxidCVec_
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ arr_elem_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ arr_elem_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_clone((LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -5556,7 +5519,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1EventZ_1new(JNIEnv
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKEvent arr_elem_conv = *(LDKEvent*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKEvent arr_elem_conv = *(LDKEvent*)(arr_elem_ptr);
                        arr_elem_conv = Event_clone((LDKEvent*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -5571,14 +5536,6 @@ static inline LDKCVec_EventZ CVec_EventZ_clone(const LDKCVec_EventZ *orig) {
        }
        return ret;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1u32TxOutZ_1new(JNIEnv *env, jclass clz, int32_t a, int64_t b) {
-       LDKC2Tuple_u32TxOutZ* ret = MALLOC(sizeof(LDKC2Tuple_u32TxOutZ), "LDKC2Tuple_u32TxOutZ");
-       ret->a = a;
-       LDKTxOut b_conv = *(LDKTxOut*)(((uint64_t)b) & ~1);
-       b_conv = TxOut_clone((LDKTxOut*)(((uint64_t)b) & ~1));
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline uint32_t C2Tuple_u32TxOutZ_get_a(LDKC2Tuple_u32TxOutZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -5608,7 +5565,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1C2Tuple_1u32TxOutZ
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKC2Tuple_u32TxOutZ arr_elem_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_u32TxOutZ arr_elem_conv = *(LDKC2Tuple_u32TxOutZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_u32TxOutZ_clone((LDKC2Tuple_u32TxOutZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -5623,29 +5582,6 @@ static inline LDKCVec_C2Tuple_u32TxOutZZ CVec_C2Tuple_u32TxOutZZ_clone(const LDK
        }
        return ret;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1TxidCVec_1C2Tuple_1u32TxOutZZZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_tArray b) {
-       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* ret = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK((*env)->GetArrayLength(env, a) == 32);
-       (*env)->GetByteArrayRegion(env, a, 0, 32, a_ref.data);
-       ret->a = a_ref;
-       LDKCVec_C2Tuple_u32TxOutZZ b_constr;
-       b_constr.datalen = (*env)->GetArrayLength(env, b);
-       if (b_constr.datalen > 0)
-               b_constr.data = MALLOC(b_constr.datalen * sizeof(LDKC2Tuple_u32TxOutZ), "LDKCVec_C2Tuple_u32TxOutZZ Elements");
-       else
-               b_constr.data = NULL;
-       int64_t* b_vals = (*env)->GetLongArrayElements (env, b, NULL);
-       for (size_t u = 0; u < b_constr.datalen; u++) {
-               int64_t b_conv_20 = b_vals[u];
-               LDKC2Tuple_u32TxOutZ b_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)b_conv_20) & ~1);
-               b_conv_20_conv = C2Tuple_u32TxOutZ_clone((LDKC2Tuple_u32TxOutZ*)(((uint64_t)b_conv_20) & ~1));
-               b_constr.data[u] = b_conv_20_conv;
-       }
-       (*env)->ReleaseLongArrayElements(env, b, b_vals, 0);
-       ret->b = b_constr;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_get_a(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -5684,7 +5620,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1C2Tuple_1TxidCVec_
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ arr_elem_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ arr_elem_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_clone((LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -5757,7 +5695,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1BalanceZ_1new(JNIE
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKBalance arr_elem_conv = *(LDKBalance*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKBalance arr_elem_conv = *(LDKBalance*)(arr_elem_ptr);
                        arr_elem_conv = Balance_clone((LDKBalance*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -5809,17 +5749,6 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCResult_1NoneLightningEr
        uint64_t err_ref = (uint64_t)err_var.inner & ~1;
        return err_ref;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1PublicKeyTypeZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_t b) {
-       LDKC2Tuple_PublicKeyTypeZ* ret = MALLOC(sizeof(LDKC2Tuple_PublicKeyTypeZ), "LDKC2Tuple_PublicKeyTypeZ");
-       LDKPublicKey a_ref;
-       CHECK((*env)->GetArrayLength(env, a) == 33);
-       (*env)->GetByteArrayRegion(env, a, 0, 33, a_ref.compressed_form);
-       ret->a = a_ref;
-       LDKType b_conv = *(LDKType*)(((uint64_t)b) & ~1);
-       b_conv = Type_clone(&b_conv);
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKPublicKey C2Tuple_PublicKeyTypeZ_get_a(LDKC2Tuple_PublicKeyTypeZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -5850,7 +5779,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1C2Tuple_1PublicKey
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKC2Tuple_PublicKeyTypeZ arr_elem_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_PublicKeyTypeZ arr_elem_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_PublicKeyTypeZ_clone((LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -5882,25 +5813,6 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCResult_1boolLightningEr
        uint64_t err_ref = (uint64_t)err_var.inner & ~1;
        return err_ref;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC3Tuple_1ChannelAnnouncementChannelUpdateChannelUpdateZ_1new(JNIEnv *env, jclass clz, int64_t a, int64_t b, int64_t c) {
-       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* ret = MALLOC(sizeof(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ), "LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ");
-       LDKChannelAnnouncement a_conv;
-       a_conv.inner = (void*)(a & (~1));
-       a_conv.is_owned = (a & 1) || (a == 0);
-       a_conv = ChannelAnnouncement_clone(&a_conv);
-       ret->a = a_conv;
-       LDKChannelUpdate b_conv;
-       b_conv.inner = (void*)(b & (~1));
-       b_conv.is_owned = (b & 1) || (b == 0);
-       b_conv = ChannelUpdate_clone(&b_conv);
-       ret->b = b_conv;
-       LDKChannelUpdate c_conv;
-       c_conv.inner = (void*)(c & (~1));
-       c_conv.is_owned = (c & 1) || (c == 0);
-       c_conv = ChannelUpdate_clone(&c_conv);
-       ret->c = c_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKChannelAnnouncement C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_a(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ *NONNULL_PTR tuple){
        return ChannelAnnouncement_clone(&tuple->a);
 }
@@ -5956,7 +5868,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1C3Tuple_1ChannelAn
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ arr_elem_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ arr_elem_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(arr_elem_ptr);
                        arr_elem_conv = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_clone((LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -6114,7 +6028,9 @@ LDKCResult_TxOutAccessErrorZ get_utxo_LDKAccess_jcall(const void* this_arg, cons
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to get_utxo in LDKAccess from rust threw an exception.");
        }
-       LDKCResult_TxOutAccessErrorZ ret_conv = *(LDKCResult_TxOutAccessErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_TxOutAccessErrorZ ret_conv = *(LDKCResult_TxOutAccessErrorZ*)(ret_ptr);
        ret_conv = CResult_TxOutAccessErrorZ_clone((LDKCResult_TxOutAccessErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -6148,7 +6064,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKAccess_1new(JNIEnv *env,
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Access_1get_1utxo(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray genesis_hash, int64_t short_channel_id) {
-       LDKAccess* this_arg_conv = (LDKAccess*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKAccess* this_arg_conv = (LDKAccess*)this_arg_ptr;
        unsigned char genesis_hash_arr[32];
        CHECK((*env)->GetArrayLength(env, genesis_hash) == 32);
        (*env)->GetByteArrayRegion(env, genesis_hash, 0, 32, genesis_hash_arr);
@@ -7326,7 +7244,9 @@ LDKCOption_C2Tuple_usizeTransactionZZ register_output_LDKFilter_jcall(const void
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to register_output in LDKFilter from rust threw an exception.");
        }
-       LDKCOption_C2Tuple_usizeTransactionZZ ret_conv = *(LDKCOption_C2Tuple_usizeTransactionZZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCOption_C2Tuple_usizeTransactionZZ ret_conv = *(LDKCOption_C2Tuple_usizeTransactionZZ*)(ret_ptr);
        ret_conv = COption_C2Tuple_usizeTransactionZZ_clone((LDKCOption_C2Tuple_usizeTransactionZZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -7363,7 +7283,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKFilter_1new(JNIEnv *env,
        return (uint64_t)res_ptr;
 }
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Filter_1register_1tx(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray txid, int8_tArray script_pubkey) {
-       LDKFilter* this_arg_conv = (LDKFilter*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKFilter* this_arg_conv = (LDKFilter*)this_arg_ptr;
        unsigned char txid_arr[32];
        CHECK((*env)->GetArrayLength(env, txid) == 32);
        (*env)->GetByteArrayRegion(env, txid, 0, 32, txid_arr);
@@ -7376,7 +7298,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Filter_1register_1tx(JNIEnv *e
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Filter_1register_1output(JNIEnv *env, jclass clz, int64_t this_arg, int64_t output) {
-       LDKFilter* this_arg_conv = (LDKFilter*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKFilter* this_arg_conv = (LDKFilter*)this_arg_ptr;
        LDKWatchedOutput output_conv;
        output_conv.inner = (void*)(output & (~1));
        output_conv.is_owned = (output & 1) || (output == 0);
@@ -7514,7 +7438,9 @@ LDKCVec_MessageSendEventZ get_and_clear_pending_msg_events_LDKMessageSendEventsP
        int64_t* ret_vals = (*env)->GetLongArrayElements (env, ret, NULL);
        for (size_t s = 0; s < ret_constr.datalen; s++) {
                int64_t ret_conv_18 = ret_vals[s];
-               LDKMessageSendEvent ret_conv_18_conv = *(LDKMessageSendEvent*)(((uint64_t)ret_conv_18) & ~1);
+               void* ret_conv_18_ptr = (void*)(((uint64_t)ret_conv_18) & ~1);
+               CHECK_ACCESS(ret_conv_18_ptr);
+               LDKMessageSendEvent ret_conv_18_conv = *(LDKMessageSendEvent*)(ret_conv_18_ptr);
                ret_conv_18_conv = MessageSendEvent_clone((LDKMessageSendEvent*)(((uint64_t)ret_conv_18) & ~1));
                ret_constr.data[s] = ret_conv_18_conv;
        }
@@ -7551,13 +7477,15 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEventsProvide
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_MessageSendEventsProvider_1get_1and_1clear_1pending_1msg_1events(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKMessageSendEventsProvider* this_arg_conv = (LDKMessageSendEventsProvider*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKMessageSendEventsProvider* this_arg_conv = (LDKMessageSendEventsProvider*)this_arg_ptr;
        LDKCVec_MessageSendEventZ ret_var = (this_arg_conv->get_and_clear_pending_msg_events)(this_arg_conv->this_arg);
        int64_tArray ret_arr = (*env)->NewLongArray(env, ret_var.datalen);
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t s = 0; s < ret_var.datalen; s++) {
                LDKMessageSendEvent *ret_conv_18_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
-               *ret_conv_18_copy = MessageSendEvent_clone(&ret_var.data[s]);
+               *ret_conv_18_copy = ret_var.data[s];
                uint64_t ret_conv_18_ref = (uint64_t)ret_conv_18_copy;
                ret_arr_ptr[s] = ret_conv_18_ref;
        }
@@ -7638,7 +7566,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKEventHandler_1new(JNIEnv
        return (uint64_t)res_ptr;
 }
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_EventHandler_1handle_1event(JNIEnv *env, jclass clz, int64_t this_arg, int64_t event) {
-       LDKEventHandler* this_arg_conv = (LDKEventHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKEventHandler* this_arg_conv = (LDKEventHandler*)this_arg_ptr;
        LDKEvent* event_conv = (LDKEvent*)event;
        (this_arg_conv->handle_event)(this_arg_conv->this_arg, event_conv);
 }
@@ -7715,8 +7645,12 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKEventsProvider_1new(JNIE
        return (uint64_t)res_ptr;
 }
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_EventsProvider_1process_1pending_1events(JNIEnv *env, jclass clz, int64_t this_arg, int64_t handler) {
-       LDKEventsProvider* this_arg_conv = (LDKEventsProvider*)(((uint64_t)this_arg) & ~1);
-       LDKEventHandler handler_conv = *(LDKEventHandler*)(((uint64_t)handler) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKEventsProvider* this_arg_conv = (LDKEventsProvider*)this_arg_ptr;
+       void* handler_ptr = (void*)(((uint64_t)handler) & ~1);
+       CHECK_ACCESS(handler_ptr);
+       LDKEventHandler handler_conv = *(LDKEventHandler*)(handler_ptr);
        if (handler_conv.free == LDKEventHandler_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKEventHandler_JCalls_cloned(&handler_conv);
@@ -7823,7 +7757,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKListen_1new(JNIEnv *env,
        return (uint64_t)res_ptr;
 }
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Listen_1block_1connected(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray block, int32_t height) {
-       LDKListen* this_arg_conv = (LDKListen*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKListen* this_arg_conv = (LDKListen*)this_arg_ptr;
        LDKu8slice block_ref;
        block_ref.datalen = (*env)->GetArrayLength(env, block);
        block_ref.data = (*env)->GetByteArrayElements (env, block, NULL);
@@ -7832,7 +7768,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Listen_1block_1connected(JNIEn
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Listen_1block_1disconnected(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray header, int32_t height) {
-       LDKListen* this_arg_conv = (LDKListen*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKListen* this_arg_conv = (LDKListen*)this_arg_ptr;
        unsigned char header_arr[80];
        CHECK((*env)->GetArrayLength(env, header) == 80);
        (*env)->GetByteArrayRegion(env, header, 0, 80, header_arr);
@@ -8012,7 +7950,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKConfirm_1new(JNIEnv *env
        return (uint64_t)res_ptr;
 }
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Confirm_1transactions_1confirmed(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray header, int64_tArray txdata, int32_t height) {
-       LDKConfirm* this_arg_conv = (LDKConfirm*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKConfirm* this_arg_conv = (LDKConfirm*)this_arg_ptr;
        unsigned char header_arr[80];
        CHECK((*env)->GetArrayLength(env, header) == 80);
        (*env)->GetByteArrayRegion(env, header, 0, 80, header_arr);
@@ -8026,7 +7966,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Confirm_1transactions_1confirm
        int64_t* txdata_vals = (*env)->GetLongArrayElements (env, txdata, NULL);
        for (size_t c = 0; c < txdata_constr.datalen; c++) {
                int64_t txdata_conv_28 = txdata_vals[c];
-               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1);
+               void* txdata_conv_28_ptr = (void*)(((uint64_t)txdata_conv_28) & ~1);
+               CHECK_ACCESS(txdata_conv_28_ptr);
+               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(txdata_conv_28_ptr);
                txdata_conv_28_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1));
                txdata_constr.data[c] = txdata_conv_28_conv;
        }
@@ -8035,7 +7977,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Confirm_1transactions_1confirm
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Confirm_1transaction_1unconfirmed(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray txid) {
-       LDKConfirm* this_arg_conv = (LDKConfirm*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKConfirm* this_arg_conv = (LDKConfirm*)this_arg_ptr;
        unsigned char txid_arr[32];
        CHECK((*env)->GetArrayLength(env, txid) == 32);
        (*env)->GetByteArrayRegion(env, txid, 0, 32, txid_arr);
@@ -8044,7 +7988,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Confirm_1transaction_1unconfir
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Confirm_1best_1block_1updated(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray header, int32_t height) {
-       LDKConfirm* this_arg_conv = (LDKConfirm*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKConfirm* this_arg_conv = (LDKConfirm*)this_arg_ptr;
        unsigned char header_arr[80];
        CHECK((*env)->GetArrayLength(env, header) == 80);
        (*env)->GetByteArrayRegion(env, header, 0, 80, header_arr);
@@ -8053,7 +7999,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Confirm_1best_1block_1updated(
 }
 
 JNIEXPORT jobjectArray JNICALL Java_org_ldk_impl_bindings_Confirm_1get_1relevant_1txids(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKConfirm* this_arg_conv = (LDKConfirm*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKConfirm* this_arg_conv = (LDKConfirm*)this_arg_ptr;
        LDKCVec_TxidZ ret_var = (this_arg_conv->get_relevant_txids)(this_arg_conv->this_arg);
        jobjectArray ret_arr = (*env)->NewObjectArray(env, ret_var.datalen, arr_of_B_clz, NULL);
        ;
@@ -8121,7 +8069,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ persist_new_channel_LDKPersist_jcall(con
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to persist_new_channel in LDKPersist from rust threw an exception.");
        }
-       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(ret_ptr);
        ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone((LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -8167,7 +8117,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_persisted_channel_LDKPersist_jcal
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to update_persisted_channel in LDKPersist from rust threw an exception.");
        }
-       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(ret_ptr);
        ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone((LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -8204,7 +8156,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKPersist_1new(JNIEnv *env
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Persist_1persist_1new_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int64_t id, int64_t data) {
-       LDKPersist* this_arg_conv = (LDKPersist*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKPersist* this_arg_conv = (LDKPersist*)this_arg_ptr;
        LDKOutPoint id_conv;
        id_conv.inner = (void*)(id & (~1));
        id_conv.is_owned = (id & 1) || (id == 0);
@@ -8218,7 +8172,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Persist_1persist_1new_1chan
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Persist_1update_1persisted_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int64_t id, int64_t update, int64_t data) {
-       LDKPersist* this_arg_conv = (LDKPersist*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKPersist* this_arg_conv = (LDKPersist*)this_arg_ptr;
        LDKOutPoint id_conv;
        id_conv.inner = (void*)(id & (~1));
        id_conv.is_owned = (id & 1) || (id == 0);
@@ -8984,7 +8940,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKChannelMessageHandler_1g
        return (int64_t)(res_ptr | 1);
 }
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1open_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t their_features, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -8999,7 +8957,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1accept_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t their_features, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9014,7 +8974,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1funding_1created(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9025,7 +8987,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1funding_1signed(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9036,7 +9000,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1funding_1locked(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9047,7 +9013,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1shutdown(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t their_features, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9061,7 +9029,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1closing_1signed(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9072,7 +9042,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1update_1add_1htlc(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9083,7 +9055,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1update_1fulfill_1htlc(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9094,7 +9068,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1update_1fail_1htlc(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9105,7 +9081,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1update_1fail_1malformed_1htlc(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9116,7 +9094,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1commitment_1signed(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9127,7 +9107,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1revoke_1and_1ack(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9138,7 +9120,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1update_1fee(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9149,7 +9133,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1announcement_1signatures(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9160,7 +9146,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1peer_1disconnected(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, jboolean no_connection_possible) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9168,7 +9156,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1peer_1d
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1peer_1connected(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9179,7 +9169,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1peer_1c
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1channel_1reestablish(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9190,7 +9182,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1channel_1update(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9201,7 +9195,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1error(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9268,7 +9264,9 @@ LDKCResult_boolLightningErrorZ handle_node_announcement_LDKRoutingMessageHandler
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_node_announcement in LDKRoutingMessageHandler from rust threw an exception.");
        }
-       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_boolLightningErrorZ_clone((LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -9299,7 +9297,9 @@ LDKCResult_boolLightningErrorZ handle_channel_announcement_LDKRoutingMessageHand
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_channel_announcement in LDKRoutingMessageHandler from rust threw an exception.");
        }
-       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_boolLightningErrorZ_clone((LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -9330,7 +9330,9 @@ LDKCResult_boolLightningErrorZ handle_channel_update_LDKRoutingMessageHandler_jc
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_channel_update in LDKRoutingMessageHandler from rust threw an exception.");
        }
-       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_boolLightningErrorZ_clone((LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -9362,7 +9364,9 @@ LDKCVec_C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZZ get_next_channel
        int64_t* ret_vals = (*env)->GetLongArrayElements (env, ret, NULL);
        for (size_t h = 0; h < ret_constr.datalen; h++) {
                int64_t ret_conv_59 = ret_vals[h];
-               LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ ret_conv_59_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)ret_conv_59) & ~1);
+               void* ret_conv_59_ptr = (void*)(((uint64_t)ret_conv_59) & ~1);
+               CHECK_ACCESS(ret_conv_59_ptr);
+               LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ ret_conv_59_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(ret_conv_59_ptr);
                ret_conv_59_conv = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_clone((LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)ret_conv_59) & ~1));
                ret_constr.data[h] = ret_conv_59_conv;
        }
@@ -9466,7 +9470,9 @@ LDKCResult_NoneLightningErrorZ handle_reply_channel_range_LDKRoutingMessageHandl
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_reply_channel_range in LDKRoutingMessageHandler from rust threw an exception.");
        }
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -9498,7 +9504,9 @@ LDKCResult_NoneLightningErrorZ handle_reply_short_channel_ids_end_LDKRoutingMess
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_reply_short_channel_ids_end in LDKRoutingMessageHandler from rust threw an exception.");
        }
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -9530,7 +9538,9 @@ LDKCResult_NoneLightningErrorZ handle_query_channel_range_LDKRoutingMessageHandl
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_query_channel_range in LDKRoutingMessageHandler from rust threw an exception.");
        }
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -9562,7 +9572,9 @@ LDKCResult_NoneLightningErrorZ handle_query_short_channel_ids_LDKRoutingMessageH
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_query_short_channel_ids in LDKRoutingMessageHandler from rust threw an exception.");
        }
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -9632,7 +9644,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKRoutingMessageHandler_1g
        return (int64_t)(res_ptr | 1);
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1node_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKNodeAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
@@ -9642,7 +9656,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1channel_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKChannelAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
@@ -9652,7 +9668,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1channel_1update(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKChannelUpdate msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
@@ -9662,7 +9680,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
 }
 
 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) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKCVec_C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZZ ret_var = (this_arg_conv->get_next_channel_announcements)(this_arg_conv->this_arg, starting_point, batch_amount);
        int64_tArray ret_arr = (*env)->NewLongArray(env, ret_var.datalen);
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
@@ -9677,7 +9697,9 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_
 }
 
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1get_1next_1node_1announcements(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray starting_point, int8_t batch_amount) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey starting_point_ref;
        CHECK((*env)->GetArrayLength(env, starting_point) == 33);
        (*env)->GetByteArrayRegion(env, starting_point, 0, 33, starting_point_ref.compressed_form);
@@ -9700,7 +9722,9 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1sync_1routing_1table(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t init) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9711,7 +9735,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1sync_1r
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1reply_1channel_1range(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9725,7 +9751,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
 }
 
 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) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9739,7 +9767,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
 }
 
 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) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9753,7 +9783,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
 }
 
 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) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9808,7 +9840,9 @@ LDKCResult_COption_TypeZDecodeErrorZ read_LDKCustomMessageReader_jcall(const voi
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to read in LDKCustomMessageReader from rust threw an exception.");
        }
-       LDKCResult_COption_TypeZDecodeErrorZ ret_conv = *(LDKCResult_COption_TypeZDecodeErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_COption_TypeZDecodeErrorZ ret_conv = *(LDKCResult_COption_TypeZDecodeErrorZ*)(ret_ptr);
        ret_conv = CResult_COption_TypeZDecodeErrorZ_clone((LDKCResult_COption_TypeZDecodeErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -9842,7 +9876,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCustomMessageReader_1new
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CustomMessageReader_1read(JNIEnv *env, jclass clz, int64_t this_arg, int16_t message_type, int8_tArray buffer) {
-       LDKCustomMessageReader* this_arg_conv = (LDKCustomMessageReader*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKCustomMessageReader* this_arg_conv = (LDKCustomMessageReader*)this_arg_ptr;
        LDKu8slice buffer_ref;
        buffer_ref.datalen = (*env)->GetArrayLength(env, buffer);
        buffer_ref.data = (*env)->GetByteArrayElements (env, buffer, NULL);
@@ -9897,7 +9933,9 @@ LDKCResult_NoneLightningErrorZ handle_custom_message_LDKCustomMessageHandler_jca
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_custom_message in LDKCustomMessageHandler from rust threw an exception.");
        }
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -9929,7 +9967,9 @@ LDKCVec_C2Tuple_PublicKeyTypeZZ get_and_clear_pending_msg_LDKCustomMessageHandle
        int64_t* ret_vals = (*env)->GetLongArrayElements (env, ret, NULL);
        for (size_t z = 0; z < ret_constr.datalen; z++) {
                int64_t ret_conv_25 = ret_vals[z];
-               LDKC2Tuple_PublicKeyTypeZ ret_conv_25_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)ret_conv_25) & ~1);
+               void* ret_conv_25_ptr = (void*)(((uint64_t)ret_conv_25) & ~1);
+               CHECK_ACCESS(ret_conv_25_ptr);
+               LDKC2Tuple_PublicKeyTypeZ ret_conv_25_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(ret_conv_25_ptr);
                ret_conv_25_conv = C2Tuple_PublicKeyTypeZ_clone((LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)ret_conv_25) & ~1));
                ret_constr.data[z] = ret_conv_25_conv;
        }
@@ -9978,8 +10018,12 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCustomMessageHandler_1ge
        return (int64_t)(res_ptr | 1);
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CustomMessageHandler_1handle_1custom_1message(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg, int8_tArray sender_node_id) {
-       LDKCustomMessageHandler* this_arg_conv = (LDKCustomMessageHandler*)(((uint64_t)this_arg) & ~1);
-       LDKType msg_conv = *(LDKType*)(((uint64_t)msg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKCustomMessageHandler* this_arg_conv = (LDKCustomMessageHandler*)this_arg_ptr;
+       void* msg_ptr = (void*)(((uint64_t)msg) & ~1);
+       CHECK_ACCESS(msg_ptr);
+       LDKType msg_conv = *(LDKType*)(msg_ptr);
        if (msg_conv.free == LDKType_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKType_JCalls_cloned(&msg_conv);
@@ -9993,7 +10037,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CustomMessageHandler_1handl
 }
 
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_CustomMessageHandler_1get_1and_1clear_1pending_1msg(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKCustomMessageHandler* this_arg_conv = (LDKCustomMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKCustomMessageHandler* this_arg_conv = (LDKCustomMessageHandler*)this_arg_ptr;
        LDKCVec_C2Tuple_PublicKeyTypeZZ ret_var = (this_arg_conv->get_and_clear_pending_msg)(this_arg_conv->this_arg);
        int64_tArray ret_arr = (*env)->NewLongArray(env, ret_var.datalen);
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
@@ -10158,7 +10204,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKSocketDescriptor_1new(JN
        return (uint64_t)res_ptr;
 }
 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) {
-       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_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);
@@ -10168,12 +10216,16 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1send_1dat
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1disconnect_1socket(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)this_arg_ptr;
        (this_arg_conv->disconnect_socket)(this_arg_conv->this_arg);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1hash(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)this_arg_ptr;
        int64_t ret_val = (this_arg_conv->hash)(this_arg_conv->this_arg);
        return ret_val;
 }
@@ -10249,7 +10301,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKScore_1new(JNIEnv *env,
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Score_1channel_1penalty_1msat(JNIEnv *env, jclass clz, int64_t this_arg, int64_t short_channel_id) {
-       LDKScore* this_arg_conv = (LDKScore*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKScore* this_arg_conv = (LDKScore*)this_arg_ptr;
        int64_t ret_val = (this_arg_conv->channel_penalty_msat)(this_arg_conv->this_arg, short_channel_id);
        return ret_val;
 }
@@ -10301,7 +10355,9 @@ LDKCResult_NoneErrorZ persist_manager_LDKChannelManagerPersister_jcall(const voi
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to persist_manager in LDKChannelManagerPersister from rust threw an exception.");
        }
-       LDKCResult_NoneErrorZ ret_conv = *(LDKCResult_NoneErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneErrorZ ret_conv = *(LDKCResult_NoneErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneErrorZ_clone((LDKCResult_NoneErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -10335,7 +10391,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKChannelManagerPersister_
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerPersister_1persist_1manager(JNIEnv *env, jclass clz, int64_t this_arg, int64_t channel_manager) {
-       LDKChannelManagerPersister* this_arg_conv = (LDKChannelManagerPersister*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelManagerPersister* this_arg_conv = (LDKChannelManagerPersister*)this_arg_ptr;
        LDKChannelManager channel_manager_conv;
        channel_manager_conv.inner = (void*)(channel_manager & (~1));
        channel_manager_conv.is_owned = false;
@@ -10425,7 +10483,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxOut_1new(JNIEnv *env, jcl
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_TxOut_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKTxOut _res_conv = *(LDKTxOut*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKTxOut _res_conv = *(LDKTxOut*)(_res_ptr);
        FREE((void*)_res);
        TxOut_free(_res_conv);
 }
@@ -10460,7 +10520,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1e
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SecretKeyErrorZ _res_conv = *(LDKCResult_SecretKeyErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SecretKeyErrorZ _res_conv = *(LDKCResult_SecretKeyErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SecretKeyErrorZ_free(_res_conv);
 }
@@ -10483,7 +10545,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1e
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PublicKeyErrorZ _res_conv = *(LDKCResult_PublicKeyErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PublicKeyErrorZ _res_conv = *(LDKCResult_PublicKeyErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PublicKeyErrorZ_free(_res_conv);
 }
@@ -10517,7 +10581,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDeco
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TxCreationKeysDecodeErrorZ _res_conv = *(LDKCResult_TxCreationKeysDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TxCreationKeysDecodeErrorZ _res_conv = *(LDKCResult_TxCreationKeysDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TxCreationKeysDecodeErrorZ_free(_res_conv);
 }
@@ -10551,7 +10617,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysD
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelPublicKeysDecodeErrorZ _res_conv = *(LDKCResult_ChannelPublicKeysDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelPublicKeysDecodeErrorZ _res_conv = *(LDKCResult_ChannelPublicKeysDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelPublicKeysDecodeErrorZ_free(_res_conv);
 }
@@ -10582,7 +10650,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErro
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TxCreationKeysErrorZ _res_conv = *(LDKCResult_TxCreationKeysErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TxCreationKeysErrorZ _res_conv = *(LDKCResult_TxCreationKeysErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TxCreationKeysErrorZ_free(_res_conv);
 }
@@ -10610,7 +10680,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u32Z_1none(JNIEnv
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1u32Z_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_u32Z _res_conv = *(LDKCOption_u32Z*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_u32Z _res_conv = *(LDKCOption_u32Z*)(_res_ptr);
        FREE((void*)_res);
        COption_u32Z_free(_res_conv);
 }
@@ -10645,7 +10717,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommit
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommitmentDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_HTLCOutputInCommitmentDecodeErrorZ _res_conv = *(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_HTLCOutputInCommitmentDecodeErrorZ _res_conv = *(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_HTLCOutputInCommitmentDecodeErrorZ_free(_res_conv);
 }
@@ -10679,7 +10753,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChanne
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChannelTransactionParametersDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ _res_conv = *(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ _res_conv = *(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_free(_res_conv);
 }
@@ -10713,7 +10789,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransaction
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransactionParametersDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelTransactionParametersDecodeErrorZ _res_conv = *(LDKCResult_ChannelTransactionParametersDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelTransactionParametersDecodeErrorZ _res_conv = *(LDKCResult_ChannelTransactionParametersDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelTransactionParametersDecodeErrorZ_free(_res_conv);
 }
@@ -10764,7 +10842,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTr
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTransactionDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_HolderCommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_HolderCommitmentTransactionDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_HolderCommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_HolderCommitmentTransactionDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_HolderCommitmentTransactionDecodeErrorZ_free(_res_conv);
 }
@@ -10798,7 +10878,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTra
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTransactionDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_BuiltCommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_BuiltCommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_BuiltCommitmentTransactionDecodeErrorZ_free(_res_conv);
 }
@@ -10828,7 +10910,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedClosingTran
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedClosingTransactionNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TrustedClosingTransactionNoneZ _res_conv = *(LDKCResult_TrustedClosingTransactionNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TrustedClosingTransactionNoneZ _res_conv = *(LDKCResult_TrustedClosingTransactionNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TrustedClosingTransactionNoneZ_free(_res_conv);
 }
@@ -10855,7 +10939,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransact
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransactionDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_CommitmentTransactionDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_CommitmentTransactionDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CommitmentTransactionDecodeErrorZ_free(_res_conv);
 }
@@ -10885,7 +10971,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedCommitmentT
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedCommitmentTransactionNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TrustedCommitmentTransactionNoneZ _res_conv = *(LDKCResult_TrustedCommitmentTransactionNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TrustedCommitmentTransactionNoneZ _res_conv = *(LDKCResult_TrustedCommitmentTransactionNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TrustedCommitmentTransactionNoneZ_free(_res_conv);
 }
@@ -10917,7 +11005,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1SignatureZNo
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1SignatureZNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CVec_SignatureZNoneZ _res_conv = *(LDKCResult_CVec_SignatureZNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CVec_SignatureZNoneZ _res_conv = *(LDKCResult_CVec_SignatureZNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CVec_SignatureZNoneZ_free(_res_conv);
 }
@@ -10951,7 +11041,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDeco
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ShutdownScriptDecodeErrorZ _res_conv = *(LDKCResult_ShutdownScriptDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ShutdownScriptDecodeErrorZ _res_conv = *(LDKCResult_ShutdownScriptDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ShutdownScriptDecodeErrorZ_free(_res_conv);
 }
@@ -10977,7 +11069,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInva
        LDKInvalidShutdownScript e_conv;
        e_conv.inner = (void*)(e & (~1));
        e_conv.is_owned = (e & 1) || (e == 0);
-       // Warning: we need a move here but no clone is available for LDKInvalidShutdownScript
+       e_conv = InvalidShutdownScript_clone(&e_conv);
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptInvalidShutdownScriptZ), "LDKCResult_ShutdownScriptInvalidShutdownScriptZ");
        *ret_conv = CResult_ShutdownScriptInvalidShutdownScriptZ_err(e_conv);
        return (uint64_t)ret_conv;
@@ -10985,11 +11077,20 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInva
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ShutdownScriptInvalidShutdownScriptZ _res_conv = *(LDKCResult_ShutdownScriptInvalidShutdownScriptZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ShutdownScriptInvalidShutdownScriptZ _res_conv = *(LDKCResult_ShutdownScriptInvalidShutdownScriptZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ShutdownScriptInvalidShutdownScriptZ_free(_res_conv);
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1clone(JNIEnv *env, jclass clz, int64_t orig) {
+       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 (uint64_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();
@@ -11005,7 +11106,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneErrorZ_1err(JN
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneErrorZ _res_conv = *(LDKCResult_NoneErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneErrorZ _res_conv = *(LDKCResult_NoneErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneErrorZ_free(_res_conv);
 }
@@ -11039,7 +11142,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErro
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RouteHopDecodeErrorZ _res_conv = *(LDKCResult_RouteHopDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RouteHopDecodeErrorZ _res_conv = *(LDKCResult_RouteHopDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RouteHopDecodeErrorZ_free(_res_conv);
 }
@@ -11121,7 +11226,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RouteDecodeErrorZ _res_conv = *(LDKCResult_RouteDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RouteDecodeErrorZ _res_conv = *(LDKCResult_RouteDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RouteDecodeErrorZ_free(_res_conv);
 }
@@ -11149,7 +11256,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u64Z_1none(JNIEnv
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1u64Z_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_u64Z _res_conv = *(LDKCOption_u64Z*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_u64Z _res_conv = *(LDKCOption_u64Z*)(_res_ptr);
        FREE((void*)_res);
        COption_u64Z_free(_res_conv);
 }
@@ -11222,7 +11331,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErro
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RouteLightningErrorZ _res_conv = *(LDKCResult_RouteLightningErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RouteLightningErrorZ _res_conv = *(LDKCResult_RouteLightningErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RouteLightningErrorZ_free(_res_conv);
 }
@@ -11235,7 +11346,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErro
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKTxOut o_conv = *(LDKTxOut*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKTxOut o_conv = *(LDKTxOut*)(o_ptr);
        o_conv = TxOut_clone((LDKTxOut*)(((uint64_t)o) & ~1));
        LDKCResult_TxOutAccessErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxOutAccessErrorZ), "LDKCResult_TxOutAccessErrorZ");
        *ret_conv = CResult_TxOutAccessErrorZ_ok(o_conv);
@@ -11251,7 +11364,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TxOutAccessErrorZ _res_conv = *(LDKCResult_TxOutAccessErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TxOutAccessErrorZ _res_conv = *(LDKCResult_TxOutAccessErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TxOutAccessErrorZ_free(_res_conv);
 }
@@ -11283,7 +11398,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_usizeTransactionZ _res_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_usizeTransactionZ _res_conv = *(LDKC2Tuple_usizeTransactionZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_usizeTransactionZ_free(_res_conv);
 }
@@ -11298,7 +11415,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1usizeTransactio
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t c = 0; c < _res_constr.datalen; c++) {
                int64_t _res_conv_28 = _res_vals[c];
-               LDKC2Tuple_usizeTransactionZ _res_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)_res_conv_28) & ~1);
+               void* _res_conv_28_ptr = (void*)(((uint64_t)_res_conv_28) & ~1);
+               CHECK_ACCESS(_res_conv_28_ptr);
+               LDKC2Tuple_usizeTransactionZ _res_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(_res_conv_28_ptr);
                FREE((void*)_res_conv_28);
                _res_constr.data[c] = _res_conv_28_conv;
        }
@@ -11338,7 +11457,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneChannelMonitor
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneChannelMonitorUpdateErrZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneChannelMonitorUpdateErrZ _res_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ _res_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneChannelMonitorUpdateErrZ_free(_res_conv);
 }
@@ -11360,7 +11481,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1MonitorEventZ_1free(JNIE
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t o = 0; o < _res_constr.datalen; o++) {
                int64_t _res_conv_14 = _res_vals[o];
-               LDKMonitorEvent _res_conv_14_conv = *(LDKMonitorEvent*)(((uint64_t)_res_conv_14) & ~1);
+               void* _res_conv_14_ptr = (void*)(((uint64_t)_res_conv_14) & ~1);
+               CHECK_ACCESS(_res_conv_14_ptr);
+               LDKMonitorEvent _res_conv_14_conv = *(LDKMonitorEvent*)(_res_conv_14_ptr);
                FREE((void*)_res_conv_14);
                _res_constr.data[o] = _res_conv_14_conv;
        }
@@ -11369,7 +11492,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1MonitorEventZ_1free(JNIE
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTransactionZZ_1some(JNIEnv *env, jclass clz, int64_t o) {
-       LDKC2Tuple_usizeTransactionZ o_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_usizeTransactionZ o_conv = *(LDKC2Tuple_usizeTransactionZ*)(o_ptr);
        o_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)o) & ~1));
        LDKCOption_C2Tuple_usizeTransactionZZ *ret_copy = MALLOC(sizeof(LDKCOption_C2Tuple_usizeTransactionZZ), "LDKCOption_C2Tuple_usizeTransactionZZ");
        *ret_copy = COption_C2Tuple_usizeTransactionZZ_some(o_conv);
@@ -11386,7 +11511,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTran
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTransactionZZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_C2Tuple_usizeTransactionZZ _res_conv = *(LDKCOption_C2Tuple_usizeTransactionZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_C2Tuple_usizeTransactionZZ _res_conv = *(LDKCOption_C2Tuple_usizeTransactionZZ*)(_res_ptr);
        FREE((void*)_res);
        COption_C2Tuple_usizeTransactionZZ_free(_res_conv);
 }
@@ -11400,7 +11527,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTran
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1some(JNIEnv *env, jclass clz, int64_t o) {
-       LDKNetworkUpdate o_conv = *(LDKNetworkUpdate*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKNetworkUpdate o_conv = *(LDKNetworkUpdate*)(o_ptr);
        o_conv = NetworkUpdate_clone((LDKNetworkUpdate*)(((uint64_t)o) & ~1));
        LDKCOption_NetworkUpdateZ *ret_copy = MALLOC(sizeof(LDKCOption_NetworkUpdateZ), "LDKCOption_NetworkUpdateZ");
        *ret_copy = COption_NetworkUpdateZ_some(o_conv);
@@ -11417,7 +11546,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1no
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_NetworkUpdateZ _res_conv = *(LDKCOption_NetworkUpdateZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_NetworkUpdateZ _res_conv = *(LDKCOption_NetworkUpdateZ*)(_res_ptr);
        FREE((void*)_res);
        COption_NetworkUpdateZ_free(_res_conv);
 }
@@ -11440,7 +11571,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1SpendableOutputDescripto
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t b = 0; b < _res_constr.datalen; b++) {
                int64_t _res_conv_27 = _res_vals[b];
-               LDKSpendableOutputDescriptor _res_conv_27_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)_res_conv_27) & ~1);
+               void* _res_conv_27_ptr = (void*)(((uint64_t)_res_conv_27) & ~1);
+               CHECK_ACCESS(_res_conv_27_ptr);
+               LDKSpendableOutputDescriptor _res_conv_27_conv = *(LDKSpendableOutputDescriptor*)(_res_conv_27_ptr);
                FREE((void*)_res_conv_27);
                _res_constr.data[b] = _res_conv_27_conv;
        }
@@ -11458,7 +11591,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1MessageSendEventZ_1free(
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t s = 0; s < _res_constr.datalen; s++) {
                int64_t _res_conv_18 = _res_vals[s];
-               LDKMessageSendEvent _res_conv_18_conv = *(LDKMessageSendEvent*)(((uint64_t)_res_conv_18) & ~1);
+               void* _res_conv_18_ptr = (void*)(((uint64_t)_res_conv_18) & ~1);
+               CHECK_ACCESS(_res_conv_18_ptr);
+               LDKMessageSendEvent _res_conv_18_conv = *(LDKMessageSendEvent*)(_res_conv_18_ptr);
                FREE((void*)_res_conv_18);
                _res_constr.data[s] = _res_conv_18_conv;
        }
@@ -11488,7 +11623,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitFeaturesDecode
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InitFeaturesDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InitFeaturesDecodeErrorZ _res_conv = *(LDKCResult_InitFeaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InitFeaturesDecodeErrorZ _res_conv = *(LDKCResult_InitFeaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InitFeaturesDecodeErrorZ_free(_res_conv);
 }
@@ -11515,7 +11652,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeFeaturesDecode
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NodeFeaturesDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeFeaturesDecodeErrorZ _res_conv = *(LDKCResult_NodeFeaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeFeaturesDecodeErrorZ _res_conv = *(LDKCResult_NodeFeaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeFeaturesDecodeErrorZ_free(_res_conv);
 }
@@ -11542,7 +11681,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelFeaturesDec
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelFeaturesDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelFeaturesDecodeErrorZ _res_conv = *(LDKCResult_ChannelFeaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelFeaturesDecodeErrorZ _res_conv = *(LDKCResult_ChannelFeaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelFeaturesDecodeErrorZ_free(_res_conv);
 }
@@ -11569,7 +11710,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceFeaturesDec
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceFeaturesDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InvoiceFeaturesDecodeErrorZ _res_conv = *(LDKCResult_InvoiceFeaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InvoiceFeaturesDecodeErrorZ _res_conv = *(LDKCResult_InvoiceFeaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InvoiceFeaturesDecodeErrorZ_free(_res_conv);
 }
@@ -11596,7 +11739,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutp
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutputDescriptorDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_free(_res_conv);
 }
@@ -11630,7 +11775,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutpu
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutputDescriptorDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_StaticPaymentOutputDescriptorDecodeErrorZ_free(_res_conv);
 }
@@ -11643,7 +11790,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutpu
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDescriptorDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKSpendableOutputDescriptor o_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKSpendableOutputDescriptor o_conv = *(LDKSpendableOutputDescriptor*)(o_ptr);
        o_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)o) & ~1));
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SpendableOutputDescriptorDecodeErrorZ), "LDKCResult_SpendableOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_SpendableOutputDescriptorDecodeErrorZ_ok(o_conv);
@@ -11662,7 +11811,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDes
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDescriptorDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SpendableOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_SpendableOutputDescriptorDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SpendableOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_SpendableOutputDescriptorDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SpendableOutputDescriptorDecodeErrorZ_free(_res_conv);
 }
@@ -11688,7 +11839,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneNoneZ_1err(JNI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneNoneZ _res_conv = *(LDKCResult_NoneNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneNoneZ _res_conv = *(LDKCResult_NoneNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneNoneZ_free(_res_conv);
 }
@@ -11731,13 +11884,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureCVec_1Sig
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureCVec_1SignatureZZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_SignatureCVec_SignatureZZ _res_conv = *(LDKC2Tuple_SignatureCVec_SignatureZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_SignatureCVec_SignatureZZ _res_conv = *(LDKC2Tuple_SignatureCVec_SignatureZZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_SignatureCVec_SignatureZZ_free(_res_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureCVec_1SignatureZZNoneZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKC2Tuple_SignatureCVec_SignatureZZ o_conv = *(LDKC2Tuple_SignatureCVec_SignatureZZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_SignatureCVec_SignatureZZ o_conv = *(LDKC2Tuple_SignatureCVec_SignatureZZ*)(o_ptr);
        o_conv = C2Tuple_SignatureCVec_SignatureZZ_clone((LDKC2Tuple_SignatureCVec_SignatureZZ*)(((uint64_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);
@@ -11752,7 +11909,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1Signature
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureCVec_1SignatureZZNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ _res_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ _res_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_free(_res_conv);
 }
@@ -11781,7 +11940,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1er
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SignatureNoneZ _res_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SignatureNoneZ _res_conv = *(LDKCResult_SignatureNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SignatureNoneZ_free(_res_conv);
 }
@@ -11794,7 +11955,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1cl
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKSign o_conv = *(LDKSign*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKSign o_conv = *(LDKSign*)(o_ptr);
        if (o_conv.free == LDKSign_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKSign_JCalls_cloned(&o_conv);
@@ -11816,7 +11979,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SignDecodeErrorZ _res_conv = *(LDKCResult_SignDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SignDecodeErrorZ _res_conv = *(LDKCResult_SignDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SignDecodeErrorZ_free(_res_conv);
 }
@@ -11853,7 +12018,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RecoverableSignatu
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RecoverableSignatureNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RecoverableSignatureNoneZ _res_conv = *(LDKCResult_RecoverableSignatureNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RecoverableSignatureNoneZ _res_conv = *(LDKCResult_RecoverableSignatureNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RecoverableSignatureNoneZ_free(_res_conv);
 }
@@ -11911,7 +12078,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1CVec_1u8ZZNo
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1CVec_1u8ZZNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CVec_CVec_u8ZZNoneZ _res_conv = *(LDKCResult_CVec_CVec_u8ZZNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CVec_CVec_u8ZZNoneZ _res_conv = *(LDKCResult_CVec_CVec_u8ZZNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CVec_CVec_u8ZZNoneZ_free(_res_conv);
 }
@@ -11945,7 +12114,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDeco
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InMemorySignerDecodeErrorZ _res_conv = *(LDKCResult_InMemorySignerDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InMemorySignerDecodeErrorZ _res_conv = *(LDKCResult_InMemorySignerDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InMemorySignerDecodeErrorZ_free(_res_conv);
 }
@@ -11967,7 +12138,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1TxOutZ_1free(JNIEnv *env
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t h = 0; h < _res_constr.datalen; h++) {
                int64_t _res_conv_7 = _res_vals[h];
-               LDKTxOut _res_conv_7_conv = *(LDKTxOut*)(((uint64_t)_res_conv_7) & ~1);
+               void* _res_conv_7_ptr = (void*)(((uint64_t)_res_conv_7) & ~1);
+               CHECK_ACCESS(_res_conv_7_ptr);
+               LDKTxOut _res_conv_7_conv = *(LDKTxOut*)(_res_conv_7_ptr);
                FREE((void*)_res_conv_7);
                _res_constr.data[h] = _res_conv_7_conv;
        }
@@ -11994,7 +12167,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TransactionNoneZ_1
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TransactionNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TransactionNoneZ _res_conv = *(LDKCResult_TransactionNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TransactionNoneZ _res_conv = *(LDKCResult_TransactionNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TransactionNoneZ_free(_res_conv);
 }
@@ -12028,7 +12203,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMo
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMonitorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_BlockHashChannelMonitorZ _res_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_BlockHashChannelMonitorZ _res_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_BlockHashChannelMonitorZ_free(_res_conv);
 }
@@ -12043,7 +12220,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1BlockHashChanne
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t j = 0; j < _res_constr.datalen; j++) {
                int64_t _res_conv_35 = _res_vals[j];
-               LDKC2Tuple_BlockHashChannelMonitorZ _res_conv_35_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)_res_conv_35) & ~1);
+               void* _res_conv_35_ptr = (void*)(((uint64_t)_res_conv_35) & ~1);
+               CHECK_ACCESS(_res_conv_35_ptr);
+               LDKC2Tuple_BlockHashChannelMonitorZ _res_conv_35_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(_res_conv_35_ptr);
                FREE((void*)_res_conv_35);
                _res_constr.data[j] = _res_conv_35_conv;
        }
@@ -12061,7 +12240,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1Blo
        int64_t* o_vals = (*env)->GetLongArrayElements (env, o, NULL);
        for (size_t j = 0; j < o_constr.datalen; j++) {
                int64_t o_conv_35 = o_vals[j];
-               LDKC2Tuple_BlockHashChannelMonitorZ o_conv_35_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)o_conv_35) & ~1);
+               void* o_conv_35_ptr = (void*)(((uint64_t)o_conv_35) & ~1);
+               CHECK_ACCESS(o_conv_35_ptr);
+               LDKC2Tuple_BlockHashChannelMonitorZ o_conv_35_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(o_conv_35_ptr);
                o_conv_35_conv = C2Tuple_BlockHashChannelMonitorZ_clone((LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)o_conv_35) & ~1));
                o_constr.data[j] = o_conv_35_conv;
        }
@@ -12080,7 +12261,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1Blo
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1BlockHashChannelMonitorZZErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ _res_conv = *(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ _res_conv = *(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_free(_res_conv);
 }
@@ -12114,7 +12297,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdDecodeErr
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PaymentIdDecodeErrorZ _res_conv = *(LDKCResult_PaymentIdDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PaymentIdDecodeErrorZ _res_conv = *(LDKCResult_PaymentIdDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PaymentIdDecodeErrorZ_free(_res_conv);
 }
@@ -12142,7 +12327,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u16Z_1none(JNIEnv
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1u16Z_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_u16Z _res_conv = *(LDKCOption_u16Z*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_u16Z _res_conv = *(LDKCOption_u16Z*)(_res_ptr);
        FREE((void*)_res);
        COption_u16Z_free(_res_conv);
 }
@@ -12162,7 +12349,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1ok(
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
-       LDKAPIError e_conv = *(LDKAPIError*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKAPIError e_conv = *(LDKAPIError*)(e_ptr);
        e_conv = APIError_clone((LDKAPIError*)(((uint64_t)e) & ~1));
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = CResult_NoneAPIErrorZ_err(e_conv);
@@ -12171,7 +12360,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1err
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneAPIErrorZ _res_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneAPIErrorZ _res_conv = *(LDKCResult_NoneAPIErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneAPIErrorZ_free(_res_conv);
 }
@@ -12193,7 +12384,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1CResult_1NoneAPIErrorZZ_
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t w = 0; w < _res_constr.datalen; w++) {
                int64_t _res_conv_22 = _res_vals[w];
-               LDKCResult_NoneAPIErrorZ _res_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)_res_conv_22) & ~1);
+               void* _res_conv_22_ptr = (void*)(((uint64_t)_res_conv_22) & ~1);
+               CHECK_ACCESS(_res_conv_22_ptr);
+               LDKCResult_NoneAPIErrorZ _res_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(_res_conv_22_ptr);
                FREE((void*)_res_conv_22);
                _res_constr.data[w] = _res_conv_22_conv;
        }
@@ -12211,7 +12404,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1APIErrorZ_1free(JNIEnv *
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t k = 0; k < _res_constr.datalen; k++) {
                int64_t _res_conv_10 = _res_vals[k];
-               LDKAPIError _res_conv_10_conv = *(LDKAPIError*)(((uint64_t)_res_conv_10) & ~1);
+               void* _res_conv_10_ptr = (void*)(((uint64_t)_res_conv_10) & ~1);
+               CHECK_ACCESS(_res_conv_10_ptr);
+               LDKAPIError _res_conv_10_conv = *(LDKAPIError*)(_res_conv_10_ptr);
                FREE((void*)_res_conv_10);
                _res_constr.data[k] = _res_conv_10_conv;
        }
@@ -12229,7 +12424,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1o
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
-       LDKAPIError e_conv = *(LDKAPIError*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKAPIError e_conv = *(LDKAPIError*)(e_ptr);
        e_conv = APIError_clone((LDKAPIError*)(((uint64_t)e) & ~1));
        LDKCResult__u832APIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult__u832APIErrorZ), "LDKCResult__u832APIErrorZ");
        *ret_conv = CResult__u832APIErrorZ_err(e_conv);
@@ -12238,7 +12435,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1e
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult__u832APIErrorZ _res_conv = *(LDKCResult__u832APIErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult__u832APIErrorZ _res_conv = *(LDKCResult__u832APIErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult__u832APIErrorZ_free(_res_conv);
 }
@@ -12261,7 +12460,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSe
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSendFailureZ_1err(JNIEnv *env, jclass clz, int64_t e) {
-       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(e_ptr);
        e_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uint64_t)e) & ~1));
        LDKCResult_PaymentIdPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentSendFailureZ), "LDKCResult_PaymentIdPaymentSendFailureZ");
        *ret_conv = CResult_PaymentIdPaymentSendFailureZ_err(e_conv);
@@ -12270,7 +12471,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSe
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSendFailureZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PaymentIdPaymentSendFailureZ _res_conv = *(LDKCResult_PaymentIdPaymentSendFailureZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PaymentIdPaymentSendFailureZ _res_conv = *(LDKCResult_PaymentIdPaymentSendFailureZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PaymentIdPaymentSendFailureZ_free(_res_conv);
 }
@@ -12289,7 +12492,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFai
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFailureZ_1err(JNIEnv *env, jclass clz, int64_t e) {
-       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(e_ptr);
        e_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uint64_t)e) & ~1));
        LDKCResult_NonePaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePaymentSendFailureZ), "LDKCResult_NonePaymentSendFailureZ");
        *ret_conv = CResult_NonePaymentSendFailureZ_err(e_conv);
@@ -12298,7 +12503,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFai
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFailureZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NonePaymentSendFailureZ _res_conv = *(LDKCResult_NonePaymentSendFailureZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NonePaymentSendFailureZ _res_conv = *(LDKCResult_NonePaymentSendFailureZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NonePaymentSendFailureZ_free(_res_conv);
 }
@@ -12332,13 +12539,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPayment
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentIdZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_PaymentHashPaymentIdZ _res_conv = *(LDKC2Tuple_PaymentHashPaymentIdZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_PaymentHashPaymentIdZ _res_conv = *(LDKC2Tuple_PaymentHashPaymentIdZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_PaymentHashPaymentIdZ_free(_res_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentIdZPaymentSendFailureZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKC2Tuple_PaymentHashPaymentIdZ o_conv = *(LDKC2Tuple_PaymentHashPaymentIdZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_PaymentHashPaymentIdZ o_conv = *(LDKC2Tuple_PaymentHashPaymentIdZ*)(o_ptr);
        o_conv = C2Tuple_PaymentHashPaymentIdZ_clone((LDKC2Tuple_PaymentHashPaymentIdZ*)(((uint64_t)o) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ), "LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_ok(o_conv);
@@ -12346,7 +12557,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentIdZPaymentSendFailureZ_1err(JNIEnv *env, jclass clz, int64_t e) {
-       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(e_ptr);
        e_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uint64_t)e) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ), "LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_err(e_conv);
@@ -12355,7 +12568,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentIdZPaymentSendFailureZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ _res_conv = *(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ _res_conv = *(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_free(_res_conv);
 }
@@ -12377,7 +12592,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1NetAddressZ_1free(JNIEnv
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t m = 0; m < _res_constr.datalen; m++) {
                int64_t _res_conv_12 = _res_vals[m];
-               LDKNetAddress _res_conv_12_conv = *(LDKNetAddress*)(((uint64_t)_res_conv_12) & ~1);
+               void* _res_conv_12_ptr = (void*)(((uint64_t)_res_conv_12) & ~1);
+               CHECK_ACCESS(_res_conv_12_ptr);
+               LDKNetAddress _res_conv_12_conv = *(LDKNetAddress*)(_res_conv_12_ptr);
                FREE((void*)_res_conv_12);
                _res_constr.data[m] = _res_conv_12_conv;
        }
@@ -12406,7 +12623,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPayment
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentSecretZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_PaymentHashPaymentSecretZ _res_conv = *(LDKC2Tuple_PaymentHashPaymentSecretZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_PaymentHashPaymentSecretZ _res_conv = *(LDKC2Tuple_PaymentHashPaymentSecretZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_PaymentHashPaymentSecretZ_free(_res_conv);
 }
@@ -12421,7 +12640,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIEr
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
-       LDKAPIError e_conv = *(LDKAPIError*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKAPIError e_conv = *(LDKAPIError*)(e_ptr);
        e_conv = APIError_clone((LDKAPIError*)(((uint64_t)e) & ~1));
        LDKCResult_PaymentSecretAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretAPIErrorZ), "LDKCResult_PaymentSecretAPIErrorZ");
        *ret_conv = CResult_PaymentSecretAPIErrorZ_err(e_conv);
@@ -12430,7 +12651,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIEr
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PaymentSecretAPIErrorZ _res_conv = *(LDKCResult_PaymentSecretAPIErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PaymentSecretAPIErrorZ _res_conv = *(LDKCResult_PaymentSecretAPIErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PaymentSecretAPIErrorZ_free(_res_conv);
 }
@@ -12476,13 +12699,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMa
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelManagerZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_BlockHashChannelManagerZ _res_conv = *(LDKC2Tuple_BlockHashChannelManagerZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_BlockHashChannelManagerZ _res_conv = *(LDKC2Tuple_BlockHashChannelManagerZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_BlockHashChannelManagerZ_free(_res_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelManagerZDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKC2Tuple_BlockHashChannelManagerZ o_conv = *(LDKC2Tuple_BlockHashChannelManagerZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_BlockHashChannelManagerZ o_conv = *(LDKC2Tuple_BlockHashChannelManagerZ*)(o_ptr);
        // 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);
@@ -12501,7 +12728,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHash
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelManagerZDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ _res_conv = *(LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ _res_conv = *(LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_free(_res_conv);
 }
@@ -12528,7 +12757,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecod
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelConfigDecodeErrorZ _res_conv = *(LDKCResult_ChannelConfigDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelConfigDecodeErrorZ _res_conv = *(LDKCResult_ChannelConfigDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelConfigDecodeErrorZ_free(_res_conv);
 }
@@ -12562,7 +12793,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErro
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_OutPointDecodeErrorZ _res_conv = *(LDKCResult_OutPointDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_OutPointDecodeErrorZ _res_conv = *(LDKCResult_OutPointDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_OutPointDecodeErrorZ_free(_res_conv);
 }
@@ -12575,7 +12808,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErro
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1some(JNIEnv *env, jclass clz, int64_t o) {
-       LDKType o_conv = *(LDKType*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKType o_conv = *(LDKType*)(o_ptr);
        if (o_conv.free == LDKType_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKType_JCalls_cloned(&o_conv);
@@ -12595,7 +12830,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1none(JNIEnv
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_TypeZ _res_conv = *(LDKCOption_TypeZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_TypeZ _res_conv = *(LDKCOption_TypeZ*)(_res_ptr);
        FREE((void*)_res);
        COption_TypeZ_free(_res_conv);
 }
@@ -12609,7 +12846,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1clone(JNIEn
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKCOption_TypeZ o_conv = *(LDKCOption_TypeZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKCOption_TypeZ o_conv = *(LDKCOption_TypeZ*)(o_ptr);
        o_conv = COption_TypeZ_clone((LDKCOption_TypeZ*)(((uint64_t)o) & ~1));
        LDKCResult_COption_TypeZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_TypeZDecodeErrorZ), "LDKCResult_COption_TypeZDecodeErrorZ");
        *ret_conv = CResult_COption_TypeZDecodeErrorZ_ok(o_conv);
@@ -12628,7 +12867,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDeco
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_COption_TypeZDecodeErrorZ _res_conv = *(LDKCResult_COption_TypeZDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_COption_TypeZDecodeErrorZ _res_conv = *(LDKCResult_COption_TypeZDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_COption_TypeZDecodeErrorZ_free(_res_conv);
 }
@@ -12655,7 +12896,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SiPrefixNoneZ_1err
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SiPrefixNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SiPrefixNoneZ _res_conv = *(LDKCResult_SiPrefixNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SiPrefixNoneZ _res_conv = *(LDKCResult_SiPrefixNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SiPrefixNoneZ_free(_res_conv);
 }
@@ -12685,7 +12928,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1err(
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InvoiceNoneZ _res_conv = *(LDKCResult_InvoiceNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InvoiceNoneZ _res_conv = *(LDKCResult_InvoiceNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InvoiceNoneZ_free(_res_conv);
 }
@@ -12715,7 +12960,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNo
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SignedRawInvoiceNoneZ _res_conv = *(LDKCResult_SignedRawInvoiceNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SignedRawInvoiceNoneZ _res_conv = *(LDKCResult_SignedRawInvoiceNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SignedRawInvoiceNoneZ_free(_res_conv);
 }
@@ -12753,7 +13000,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832In
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832InvoiceSignatureZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ _res_conv = *(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ _res_conv = *(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ*)(_res_ptr);
        FREE((void*)_res);
        C3Tuple_RawInvoice_u832InvoiceSignatureZ_free(_res_conv);
 }
@@ -12777,7 +13026,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PayeePubKeyErrorZ _res_conv = *(LDKCResult_PayeePubKeyErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PayeePubKeyErrorZ _res_conv = *(LDKCResult_PayeePubKeyErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PayeePubKeyErrorZ_free(_res_conv);
 }
@@ -12827,7 +13078,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampC
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampCreationErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PositiveTimestampCreationErrorZ _res_conv = *(LDKCResult_PositiveTimestampCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PositiveTimestampCreationErrorZ _res_conv = *(LDKCResult_PositiveTimestampCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PositiveTimestampCreationErrorZ_free(_res_conv);
 }
@@ -12854,7 +13107,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneSemanticErrorZ
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneSemanticErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneSemanticErrorZ _res_conv = *(LDKCResult_NoneSemanticErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneSemanticErrorZ _res_conv = *(LDKCResult_NoneSemanticErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneSemanticErrorZ_free(_res_conv);
 }
@@ -12885,7 +13140,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErr
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InvoiceSemanticErrorZ _res_conv = *(LDKCResult_InvoiceSemanticErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InvoiceSemanticErrorZ _res_conv = *(LDKCResult_InvoiceSemanticErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InvoiceSemanticErrorZ_free(_res_conv);
 }
@@ -12916,7 +13173,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreatio
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreationErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_DescriptionCreationErrorZ _res_conv = *(LDKCResult_DescriptionCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_DescriptionCreationErrorZ _res_conv = *(LDKCResult_DescriptionCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_DescriptionCreationErrorZ_free(_res_conv);
 }
@@ -12947,7 +13206,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ExpiryTimeCreation
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ExpiryTimeCreationErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ExpiryTimeCreationErrorZ _res_conv = *(LDKCResult_ExpiryTimeCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ExpiryTimeCreationErrorZ _res_conv = *(LDKCResult_ExpiryTimeCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ExpiryTimeCreationErrorZ_free(_res_conv);
 }
@@ -12978,7 +13239,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreati
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreationErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PrivateRouteCreationErrorZ _res_conv = *(LDKCResult_PrivateRouteCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PrivateRouteCreationErrorZ _res_conv = *(LDKCResult_PrivateRouteCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PrivateRouteCreationErrorZ_free(_res_conv);
 }
@@ -13006,7 +13269,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StringErrorZ_1err(
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1StringErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_StringErrorZ _res_conv = *(LDKCResult_StringErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_StringErrorZ _res_conv = *(LDKCResult_StringErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_StringErrorZ_free(_res_conv);
 }
@@ -13033,7 +13298,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpda
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpdateDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelMonitorUpdateDecodeErrorZ _res_conv = *(LDKCResult_ChannelMonitorUpdateDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelMonitorUpdateDecodeErrorZ _res_conv = *(LDKCResult_ChannelMonitorUpdateDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelMonitorUpdateDecodeErrorZ_free(_res_conv);
 }
@@ -13067,7 +13334,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeEr
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_HTLCUpdateDecodeErrorZ _res_conv = *(LDKCResult_HTLCUpdateDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_HTLCUpdateDecodeErrorZ _res_conv = *(LDKCResult_HTLCUpdateDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_HTLCUpdateDecodeErrorZ_free(_res_conv);
 }
@@ -13097,7 +13366,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneMonitorUpdateE
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneMonitorUpdateErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneMonitorUpdateErrorZ _res_conv = *(LDKCResult_NoneMonitorUpdateErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneMonitorUpdateErrorZ _res_conv = *(LDKCResult_NoneMonitorUpdateErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneMonitorUpdateErrorZ_free(_res_conv);
 }
@@ -13132,7 +13403,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1n
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_OutPointScriptZ _res_conv = *(LDKC2Tuple_OutPointScriptZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_OutPointScriptZ _res_conv = *(LDKC2Tuple_OutPointScriptZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_OutPointScriptZ_free(_res_conv);
 }
@@ -13156,7 +13429,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32ScriptZ_1new(JN
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32ScriptZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_u32ScriptZ _res_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_u32ScriptZ _res_conv = *(LDKC2Tuple_u32ScriptZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_u32ScriptZ_free(_res_conv);
 }
@@ -13171,7 +13446,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1u32ScriptZZ_1fr
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t v = 0; v < _res_constr.datalen; v++) {
                int64_t _res_conv_21 = _res_vals[v];
-               LDKC2Tuple_u32ScriptZ _res_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)_res_conv_21) & ~1);
+               void* _res_conv_21_ptr = (void*)(((uint64_t)_res_conv_21) & ~1);
+               CHECK_ACCESS(_res_conv_21_ptr);
+               LDKC2Tuple_u32ScriptZ _res_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(_res_conv_21_ptr);
                FREE((void*)_res_conv_21);
                _res_constr.data[v] = _res_conv_21_conv;
        }
@@ -13199,7 +13476,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_
        int64_t* b_vals = (*env)->GetLongArrayElements (env, b, NULL);
        for (size_t v = 0; v < b_constr.datalen; v++) {
                int64_t b_conv_21 = b_vals[v];
-               LDKC2Tuple_u32ScriptZ b_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)b_conv_21) & ~1);
+               void* b_conv_21_ptr = (void*)(((uint64_t)b_conv_21) & ~1);
+               CHECK_ACCESS(b_conv_21_ptr);
+               LDKC2Tuple_u32ScriptZ b_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(b_conv_21_ptr);
                b_conv_21_conv = C2Tuple_u32ScriptZ_clone((LDKC2Tuple_u32ScriptZ*)(((uint64_t)b_conv_21) & ~1));
                b_constr.data[v] = b_conv_21_conv;
        }
@@ -13211,7 +13490,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32ScriptZZZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ _res_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ _res_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_free(_res_conv);
 }
@@ -13226,7 +13507,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1TxidCVec_1C2Tup
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t o = 0; o < _res_constr.datalen; o++) {
                int64_t _res_conv_40 = _res_vals[o];
-               LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ _res_conv_40_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(((uint64_t)_res_conv_40) & ~1);
+               void* _res_conv_40_ptr = (void*)(((uint64_t)_res_conv_40) & ~1);
+               CHECK_ACCESS(_res_conv_40_ptr);
+               LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ _res_conv_40_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(_res_conv_40_ptr);
                FREE((void*)_res_conv_40);
                _res_constr.data[o] = _res_conv_40_conv;
        }
@@ -13244,7 +13527,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1EventZ_1free(JNIEnv *env
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t h = 0; h < _res_constr.datalen; h++) {
                int64_t _res_conv_7 = _res_vals[h];
-               LDKEvent _res_conv_7_conv = *(LDKEvent*)(((uint64_t)_res_conv_7) & ~1);
+               void* _res_conv_7_ptr = (void*)(((uint64_t)_res_conv_7) & ~1);
+               CHECK_ACCESS(_res_conv_7_ptr);
+               LDKEvent _res_conv_7_conv = *(LDKEvent*)(_res_conv_7_ptr);
                FREE((void*)_res_conv_7);
                _res_constr.data[h] = _res_conv_7_conv;
        }
@@ -13279,7 +13564,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1clone(J
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1new(JNIEnv *env, jclass clz, int32_t a, int64_t b) {
-       LDKTxOut b_conv = *(LDKTxOut*)(((uint64_t)b) & ~1);
+       void* b_ptr = (void*)(((uint64_t)b) & ~1);
+       CHECK_ACCESS(b_ptr);
+       LDKTxOut b_conv = *(LDKTxOut*)(b_ptr);
        b_conv = TxOut_clone((LDKTxOut*)(((uint64_t)b) & ~1));
        LDKC2Tuple_u32TxOutZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_u32TxOutZ), "LDKC2Tuple_u32TxOutZ");
        *ret_conv = C2Tuple_u32TxOutZ_new(a, b_conv);
@@ -13288,7 +13575,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1new(JNI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_u32TxOutZ _res_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_u32TxOutZ _res_conv = *(LDKC2Tuple_u32TxOutZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_u32TxOutZ_free(_res_conv);
 }
@@ -13303,7 +13592,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1u32TxOutZZ_1fre
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t u = 0; u < _res_constr.datalen; u++) {
                int64_t _res_conv_20 = _res_vals[u];
-               LDKC2Tuple_u32TxOutZ _res_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)_res_conv_20) & ~1);
+               void* _res_conv_20_ptr = (void*)(((uint64_t)_res_conv_20) & ~1);
+               CHECK_ACCESS(_res_conv_20_ptr);
+               LDKC2Tuple_u32TxOutZ _res_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(_res_conv_20_ptr);
                FREE((void*)_res_conv_20);
                _res_constr.data[u] = _res_conv_20_conv;
        }
@@ -13331,7 +13622,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_
        int64_t* b_vals = (*env)->GetLongArrayElements (env, b, NULL);
        for (size_t u = 0; u < b_constr.datalen; u++) {
                int64_t b_conv_20 = b_vals[u];
-               LDKC2Tuple_u32TxOutZ b_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)b_conv_20) & ~1);
+               void* b_conv_20_ptr = (void*)(((uint64_t)b_conv_20) & ~1);
+               CHECK_ACCESS(b_conv_20_ptr);
+               LDKC2Tuple_u32TxOutZ b_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(b_conv_20_ptr);
                b_conv_20_conv = C2Tuple_u32TxOutZ_clone((LDKC2Tuple_u32TxOutZ*)(((uint64_t)b_conv_20) & ~1));
                b_constr.data[u] = b_conv_20_conv;
        }
@@ -13343,7 +13636,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32TxOutZZZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ _res_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ _res_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_free(_res_conv);
 }
@@ -13358,7 +13653,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1TxidCVec_1C2Tup
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t n = 0; n < _res_constr.datalen; n++) {
                int64_t _res_conv_39 = _res_vals[n];
-               LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ _res_conv_39_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(((uint64_t)_res_conv_39) & ~1);
+               void* _res_conv_39_ptr = (void*)(((uint64_t)_res_conv_39) & ~1);
+               CHECK_ACCESS(_res_conv_39_ptr);
+               LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ _res_conv_39_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(_res_conv_39_ptr);
                FREE((void*)_res_conv_39);
                _res_constr.data[n] = _res_conv_39_conv;
        }
@@ -13376,7 +13673,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1BalanceZ_1free(JNIEnv *e
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t j = 0; j < _res_constr.datalen; j++) {
                int64_t _res_conv_9 = _res_vals[j];
-               LDKBalance _res_conv_9_conv = *(LDKBalance*)(((uint64_t)_res_conv_9) & ~1);
+               void* _res_conv_9_ptr = (void*)(((uint64_t)_res_conv_9) & ~1);
+               CHECK_ACCESS(_res_conv_9_ptr);
+               LDKBalance _res_conv_9_conv = *(LDKBalance*)(_res_conv_9_ptr);
                FREE((void*)_res_conv_9);
                _res_constr.data[j] = _res_conv_9_conv;
        }
@@ -13385,7 +13684,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1BalanceZ_1free(JNIEnv *e
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelMonitorZDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKC2Tuple_BlockHashChannelMonitorZ o_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_BlockHashChannelMonitorZ o_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(o_ptr);
        o_conv = C2Tuple_BlockHashChannelMonitorZ_clone((LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)o) & ~1));
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ");
        *ret_conv = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_ok(o_conv);
@@ -13404,7 +13705,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHash
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelMonitorZDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ _res_conv = *(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ _res_conv = *(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_free(_res_conv);
 }
@@ -13434,7 +13737,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningError
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneLightningErrorZ _res_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneLightningErrorZ _res_conv = *(LDKCResult_NoneLightningErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneLightningErrorZ_free(_res_conv);
 }
@@ -13457,7 +13762,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1ne
        LDKPublicKey a_ref;
        CHECK((*env)->GetArrayLength(env, a) == 33);
        (*env)->GetByteArrayRegion(env, a, 0, 33, a_ref.compressed_form);
-       LDKType b_conv = *(LDKType*)(((uint64_t)b) & ~1);
+       void* b_ptr = (void*)(((uint64_t)b) & ~1);
+       CHECK_ACCESS(b_ptr);
+       LDKType b_conv = *(LDKType*)(b_ptr);
        if (b_conv.free == LDKType_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKType_JCalls_cloned(&b_conv);
@@ -13469,7 +13776,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1ne
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_PublicKeyTypeZ _res_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_PublicKeyTypeZ _res_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_PublicKeyTypeZ_free(_res_conv);
 }
@@ -13484,7 +13793,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1PublicKeyTypeZZ
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t z = 0; z < _res_constr.datalen; z++) {
                int64_t _res_conv_25 = _res_vals[z];
-               LDKC2Tuple_PublicKeyTypeZ _res_conv_25_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)_res_conv_25) & ~1);
+               void* _res_conv_25_ptr = (void*)(((uint64_t)_res_conv_25) & ~1);
+               CHECK_ACCESS(_res_conv_25_ptr);
+               LDKC2Tuple_PublicKeyTypeZ _res_conv_25_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(_res_conv_25_ptr);
                FREE((void*)_res_conv_25);
                _res_constr.data[z] = _res_conv_25_conv;
        }
@@ -13510,7 +13821,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningError
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_boolLightningErrorZ _res_conv = *(LDKCResult_boolLightningErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_boolLightningErrorZ _res_conv = *(LDKCResult_boolLightningErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_boolLightningErrorZ_free(_res_conv);
 }
@@ -13549,7 +13862,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncemen
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncementChannelUpdateChannelUpdateZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ _res_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ _res_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(_res_ptr);
        FREE((void*)_res);
        C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_free(_res_conv);
 }
@@ -13564,7 +13879,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C3Tuple_1ChannelAnnounce
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t h = 0; h < _res_constr.datalen; h++) {
                int64_t _res_conv_59 = _res_vals[h];
-               LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ _res_conv_59_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)_res_conv_59) & ~1);
+               void* _res_conv_59_ptr = (void*)(((uint64_t)_res_conv_59) & ~1);
+               CHECK_ACCESS(_res_conv_59_ptr);
+               LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ _res_conv_59_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(_res_conv_59_ptr);
                FREE((void*)_res_conv_59);
                _res_constr.data[h] = _res_conv_59_conv;
        }
@@ -13630,7 +13947,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandl
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandleErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CVec_u8ZPeerHandleErrorZ _res_conv = *(LDKCResult_CVec_u8ZPeerHandleErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CVec_u8ZPeerHandleErrorZ _res_conv = *(LDKCResult_CVec_u8ZPeerHandleErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CVec_u8ZPeerHandleErrorZ_free(_res_conv);
 }
@@ -13660,7 +13979,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErro
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NonePeerHandleErrorZ _res_conv = *(LDKCResult_NonePeerHandleErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NonePeerHandleErrorZ _res_conv = *(LDKCResult_NonePeerHandleErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NonePeerHandleErrorZ_free(_res_conv);
 }
@@ -13690,7 +14011,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErro
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_boolPeerHandleErrorZ _res_conv = *(LDKCResult_boolPeerHandleErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_boolPeerHandleErrorZ _res_conv = *(LDKCResult_boolPeerHandleErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_boolPeerHandleErrorZ_free(_res_conv);
 }
@@ -13724,7 +14047,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeIdDecodeErrorZ _res_conv = *(LDKCResult_NodeIdDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeIdDecodeErrorZ _res_conv = *(LDKCResult_NodeIdDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeIdDecodeErrorZ_free(_res_conv);
 }
@@ -13737,7 +14062,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1AccessZ_1some(JNIEnv *env, jclass clz, int64_t o) {
-       LDKAccess o_conv = *(LDKAccess*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKAccess o_conv = *(LDKAccess*)(o_ptr);
        if (o_conv.free == LDKAccess_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKAccess_JCalls_cloned(&o_conv);
@@ -13757,7 +14084,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1AccessZ_1none(JNIE
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1AccessZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_AccessZ _res_conv = *(LDKCOption_AccessZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_AccessZ _res_conv = *(LDKCOption_AccessZ*)(_res_ptr);
        FREE((void*)_res);
        COption_AccessZ_free(_res_conv);
 }
@@ -13784,7 +14113,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DirectionalChannel
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1DirectionalChannelInfoDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_DirectionalChannelInfoDecodeErrorZ _res_conv = *(LDKCResult_DirectionalChannelInfoDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_DirectionalChannelInfoDecodeErrorZ _res_conv = *(LDKCResult_DirectionalChannelInfoDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_DirectionalChannelInfoDecodeErrorZ_free(_res_conv);
 }
@@ -13818,7 +14149,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeE
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelInfoDecodeErrorZ _res_conv = *(LDKCResult_ChannelInfoDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelInfoDecodeErrorZ _res_conv = *(LDKCResult_ChannelInfoDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelInfoDecodeErrorZ_free(_res_conv);
 }
@@ -13852,7 +14185,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeE
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RoutingFeesDecodeErrorZ _res_conv = *(LDKCResult_RoutingFeesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RoutingFeesDecodeErrorZ _res_conv = *(LDKCResult_RoutingFeesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RoutingFeesDecodeErrorZ_free(_res_conv);
 }
@@ -13886,7 +14221,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementIn
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementInfoDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeAnnouncementInfoDecodeErrorZ _res_conv = *(LDKCResult_NodeAnnouncementInfoDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeAnnouncementInfoDecodeErrorZ _res_conv = *(LDKCResult_NodeAnnouncementInfoDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeAnnouncementInfoDecodeErrorZ_free(_res_conv);
 }
@@ -13936,7 +14273,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErro
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeInfoDecodeErrorZ _res_conv = *(LDKCResult_NodeInfoDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeInfoDecodeErrorZ _res_conv = *(LDKCResult_NodeInfoDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeInfoDecodeErrorZ_free(_res_conv);
 }
@@ -13970,7 +14309,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecode
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NetworkGraphDecodeErrorZ _res_conv = *(LDKCResult_NetworkGraphDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NetworkGraphDecodeErrorZ _res_conv = *(LDKCResult_NetworkGraphDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NetworkGraphDecodeErrorZ_free(_res_conv);
 }
@@ -13992,7 +14333,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ
        int64_t* o_vals = (*env)->GetLongArrayElements (env, o, NULL);
        for (size_t m = 0; m < o_constr.datalen; m++) {
                int64_t o_conv_12 = o_vals[m];
-               LDKNetAddress o_conv_12_conv = *(LDKNetAddress*)(((uint64_t)o_conv_12) & ~1);
+               void* o_conv_12_ptr = (void*)(((uint64_t)o_conv_12) & ~1);
+               CHECK_ACCESS(o_conv_12_ptr);
+               LDKNetAddress o_conv_12_conv = *(LDKNetAddress*)(o_conv_12_ptr);
                o_conv_12_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)o_conv_12) & ~1));
                o_constr.data[m] = o_conv_12_conv;
        }
@@ -14012,7 +14355,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_CVec_NetAddressZZ _res_conv = *(LDKCOption_CVec_NetAddressZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_CVec_NetAddressZZ _res_conv = *(LDKCOption_CVec_NetAddressZZ*)(_res_ptr);
        FREE((void*)_res);
        COption_CVec_NetAddressZZ_free(_res_conv);
 }
@@ -14026,7 +14371,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressu8Z_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKNetAddress o_conv = *(LDKNetAddress*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKNetAddress o_conv = *(LDKNetAddress*)(o_ptr);
        o_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)o) & ~1));
        LDKCResult_NetAddressu8Z* ret_conv = MALLOC(sizeof(LDKCResult_NetAddressu8Z), "LDKCResult_NetAddressu8Z");
        *ret_conv = CResult_NetAddressu8Z_ok(o_conv);
@@ -14041,7 +14388,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressu8Z_1err
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressu8Z_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NetAddressu8Z _res_conv = *(LDKCResult_NetAddressu8Z*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NetAddressu8Z _res_conv = *(LDKCResult_NetAddressu8Z*)(_res_ptr);
        FREE((void*)_res);
        CResult_NetAddressu8Z_free(_res_conv);
 }
@@ -14054,7 +14403,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressu8Z_1clo
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CResult_1NetAddressu8ZDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKCResult_NetAddressu8Z o_conv = *(LDKCResult_NetAddressu8Z*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKCResult_NetAddressu8Z o_conv = *(LDKCResult_NetAddressu8Z*)(o_ptr);
        o_conv = CResult_NetAddressu8Z_clone((LDKCResult_NetAddressu8Z*)(((uint64_t)o) & ~1));
        LDKCResult_CResult_NetAddressu8ZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CResult_NetAddressu8ZDecodeErrorZ), "LDKCResult_CResult_NetAddressu8ZDecodeErrorZ");
        *ret_conv = CResult_CResult_NetAddressu8ZDecodeErrorZ_ok(o_conv);
@@ -14073,7 +14424,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CResult_1NetAddres
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CResult_1NetAddressu8ZDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CResult_NetAddressu8ZDecodeErrorZ _res_conv = *(LDKCResult_CResult_NetAddressu8ZDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CResult_NetAddressu8ZDecodeErrorZ _res_conv = *(LDKCResult_CResult_NetAddressu8ZDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CResult_NetAddressu8ZDecodeErrorZ_free(_res_conv);
 }
@@ -14086,7 +14439,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CResult_1NetAddres
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKNetAddress o_conv = *(LDKNetAddress*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKNetAddress o_conv = *(LDKNetAddress*)(o_ptr);
        o_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)o) & ~1));
        LDKCResult_NetAddressDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetAddressDecodeErrorZ), "LDKCResult_NetAddressDecodeErrorZ");
        *ret_conv = CResult_NetAddressDecodeErrorZ_ok(o_conv);
@@ -14105,7 +14460,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeEr
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NetAddressDecodeErrorZ _res_conv = *(LDKCResult_NetAddressDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NetAddressDecodeErrorZ _res_conv = *(LDKCResult_NetAddressDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NetAddressDecodeErrorZ_free(_res_conv);
 }
@@ -14215,7 +14572,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecod
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_AcceptChannelDecodeErrorZ _res_conv = *(LDKCResult_AcceptChannelDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_AcceptChannelDecodeErrorZ _res_conv = *(LDKCResult_AcceptChannelDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_AcceptChannelDecodeErrorZ_free(_res_conv);
 }
@@ -14249,7 +14608,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignat
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignaturesDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_AnnouncementSignaturesDecodeErrorZ _res_conv = *(LDKCResult_AnnouncementSignaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_AnnouncementSignaturesDecodeErrorZ _res_conv = *(LDKCResult_AnnouncementSignaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_AnnouncementSignaturesDecodeErrorZ_free(_res_conv);
 }
@@ -14283,7 +14644,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablish
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablishDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelReestablishDecodeErrorZ _res_conv = *(LDKCResult_ChannelReestablishDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelReestablishDecodeErrorZ _res_conv = *(LDKCResult_ChannelReestablishDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelReestablishDecodeErrorZ_free(_res_conv);
 }
@@ -14317,7 +14680,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecod
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ClosingSignedDecodeErrorZ _res_conv = *(LDKCResult_ClosingSignedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ClosingSignedDecodeErrorZ _res_conv = *(LDKCResult_ClosingSignedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ClosingSignedDecodeErrorZ_free(_res_conv);
 }
@@ -14351,7 +14716,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRa
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRangeDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ClosingSignedFeeRangeDecodeErrorZ _res_conv = *(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ClosingSignedFeeRangeDecodeErrorZ _res_conv = *(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ClosingSignedFeeRangeDecodeErrorZ_free(_res_conv);
 }
@@ -14385,7 +14752,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDe
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CommitmentSignedDecodeErrorZ _res_conv = *(LDKCResult_CommitmentSignedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CommitmentSignedDecodeErrorZ _res_conv = *(LDKCResult_CommitmentSignedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CommitmentSignedDecodeErrorZ_free(_res_conv);
 }
@@ -14419,7 +14788,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDeco
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_FundingCreatedDecodeErrorZ _res_conv = *(LDKCResult_FundingCreatedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_FundingCreatedDecodeErrorZ _res_conv = *(LDKCResult_FundingCreatedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_FundingCreatedDecodeErrorZ_free(_res_conv);
 }
@@ -14453,7 +14824,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecod
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_FundingSignedDecodeErrorZ _res_conv = *(LDKCResult_FundingSignedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_FundingSignedDecodeErrorZ _res_conv = *(LDKCResult_FundingSignedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_FundingSignedDecodeErrorZ_free(_res_conv);
 }
@@ -14487,7 +14860,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecod
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_FundingLockedDecodeErrorZ _res_conv = *(LDKCResult_FundingLockedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_FundingLockedDecodeErrorZ _res_conv = *(LDKCResult_FundingLockedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_FundingLockedDecodeErrorZ_free(_res_conv);
 }
@@ -14521,7 +14896,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InitDecodeErrorZ _res_conv = *(LDKCResult_InitDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InitDecodeErrorZ _res_conv = *(LDKCResult_InitDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InitDecodeErrorZ_free(_res_conv);
 }
@@ -14555,7 +14932,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeE
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_OpenChannelDecodeErrorZ _res_conv = *(LDKCResult_OpenChannelDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_OpenChannelDecodeErrorZ _res_conv = *(LDKCResult_OpenChannelDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_OpenChannelDecodeErrorZ_free(_res_conv);
 }
@@ -14589,7 +14968,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecode
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RevokeAndACKDecodeErrorZ _res_conv = *(LDKCResult_RevokeAndACKDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RevokeAndACKDecodeErrorZ _res_conv = *(LDKCResult_RevokeAndACKDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RevokeAndACKDecodeErrorZ_free(_res_conv);
 }
@@ -14623,7 +15004,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErro
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ShutdownDecodeErrorZ _res_conv = *(LDKCResult_ShutdownDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ShutdownDecodeErrorZ _res_conv = *(LDKCResult_ShutdownDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ShutdownDecodeErrorZ_free(_res_conv);
 }
@@ -14657,7 +15040,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDeco
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateFailHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFailHTLCDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateFailHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFailHTLCDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateFailHTLCDecodeErrorZ_free(_res_conv);
 }
@@ -14691,7 +15076,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalforme
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalformedHTLCDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateFailMalformedHTLCDecodeErrorZ_free(_res_conv);
 }
@@ -14725,7 +15112,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErr
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateFeeDecodeErrorZ _res_conv = *(LDKCResult_UpdateFeeDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateFeeDecodeErrorZ _res_conv = *(LDKCResult_UpdateFeeDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateFeeDecodeErrorZ_free(_res_conv);
 }
@@ -14759,7 +15148,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCD
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateFulfillHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFulfillHTLCDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateFulfillHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFulfillHTLCDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateFulfillHTLCDecodeErrorZ_free(_res_conv);
 }
@@ -14793,7 +15184,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecod
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateAddHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateAddHTLCDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateAddHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateAddHTLCDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateAddHTLCDecodeErrorZ_free(_res_conv);
 }
@@ -14827,7 +15220,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PingDecodeErrorZ _res_conv = *(LDKCResult_PingDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PingDecodeErrorZ _res_conv = *(LDKCResult_PingDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PingDecodeErrorZ_free(_res_conv);
 }
@@ -14861,7 +15256,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PongDecodeErrorZ _res_conv = *(LDKCResult_PongDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PongDecodeErrorZ _res_conv = *(LDKCResult_PongDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PongDecodeErrorZ_free(_res_conv);
 }
@@ -14895,7 +15292,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnn
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnnouncementDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UnsignedChannelAnnouncementDecodeErrorZ_free(_res_conv);
 }
@@ -14929,7 +15328,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncemen
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncementDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_ChannelAnnouncementDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_ChannelAnnouncementDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelAnnouncementDecodeErrorZ_free(_res_conv);
 }
@@ -14963,7 +15364,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpd
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpdateDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UnsignedChannelUpdateDecodeErrorZ _res_conv = *(LDKCResult_UnsignedChannelUpdateDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UnsignedChannelUpdateDecodeErrorZ _res_conv = *(LDKCResult_UnsignedChannelUpdateDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UnsignedChannelUpdateDecodeErrorZ_free(_res_conv);
 }
@@ -14997,7 +15400,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecod
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelUpdateDecodeErrorZ _res_conv = *(LDKCResult_ChannelUpdateDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelUpdateDecodeErrorZ _res_conv = *(LDKCResult_ChannelUpdateDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelUpdateDecodeErrorZ_free(_res_conv);
 }
@@ -15031,7 +15436,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecode
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ErrorMessageDecodeErrorZ _res_conv = *(LDKCResult_ErrorMessageDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ErrorMessageDecodeErrorZ _res_conv = *(LDKCResult_ErrorMessageDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ErrorMessageDecodeErrorZ_free(_res_conv);
 }
@@ -15065,7 +15472,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnoun
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnouncementDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UnsignedNodeAnnouncementDecodeErrorZ_free(_res_conv);
 }
@@ -15099,7 +15508,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDe
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_NodeAnnouncementDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_NodeAnnouncementDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeAnnouncementDecodeErrorZ_free(_res_conv);
 }
@@ -15133,7 +15544,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelIdsDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_QueryShortChannelIdsDecodeErrorZ _res_conv = *(LDKCResult_QueryShortChannelIdsDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_QueryShortChannelIdsDecodeErrorZ _res_conv = *(LDKCResult_QueryShortChannelIdsDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_QueryShortChannelIdsDecodeErrorZ_free(_res_conv);
 }
@@ -15167,7 +15580,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelIdsEndDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ _res_conv = *(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ _res_conv = *(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ReplyShortChannelIdsEndDecodeErrorZ_free(_res_conv);
 }
@@ -15201,7 +15616,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeD
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_QueryChannelRangeDecodeErrorZ _res_conv = *(LDKCResult_QueryChannelRangeDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_QueryChannelRangeDecodeErrorZ _res_conv = *(LDKCResult_QueryChannelRangeDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_QueryChannelRangeDecodeErrorZ_free(_res_conv);
 }
@@ -15235,7 +15652,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeD
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ReplyChannelRangeDecodeErrorZ _res_conv = *(LDKCResult_ReplyChannelRangeDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ReplyChannelRangeDecodeErrorZ _res_conv = *(LDKCResult_ReplyChannelRangeDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ReplyChannelRangeDecodeErrorZ_free(_res_conv);
 }
@@ -15269,7 +15688,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFil
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFilterDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_GossipTimestampFilterDecodeErrorZ _res_conv = *(LDKCResult_GossipTimestampFilterDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_GossipTimestampFilterDecodeErrorZ _res_conv = *(LDKCResult_GossipTimestampFilterDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_GossipTimestampFilterDecodeErrorZ_free(_res_conv);
 }
@@ -15292,7 +15713,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreat
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreationErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
-       LDKSignOrCreationError e_conv = *(LDKSignOrCreationError*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKSignOrCreationError e_conv = *(LDKSignOrCreationError*)(e_ptr);
        e_conv = SignOrCreationError_clone((LDKSignOrCreationError*)(((uint64_t)e) & ~1));
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
        *ret_conv = CResult_InvoiceSignOrCreationErrorZ_err(e_conv);
@@ -15301,7 +15724,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreat
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreationErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InvoiceSignOrCreationErrorZ _res_conv = *(LDKCResult_InvoiceSignOrCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InvoiceSignOrCreationErrorZ _res_conv = *(LDKCResult_InvoiceSignOrCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InvoiceSignOrCreationErrorZ_free(_res_conv);
 }
@@ -15314,7 +15739,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreat
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1FilterZ_1some(JNIEnv *env, jclass clz, int64_t o) {
-       LDKFilter o_conv = *(LDKFilter*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKFilter o_conv = *(LDKFilter*)(o_ptr);
        if (o_conv.free == LDKFilter_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFilter_JCalls_cloned(&o_conv);
@@ -15334,7 +15761,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1FilterZ_1none(JNIE
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1FilterZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_FilterZ _res_conv = *(LDKCOption_FilterZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_FilterZ _res_conv = *(LDKCOption_FilterZ*)(_res_ptr);
        FREE((void*)_res);
        COption_FilterZ_free(_res_conv);
 }
@@ -15357,7 +15786,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1LockedChannelMonit
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1LockedChannelMonitorNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_LockedChannelMonitorNoneZ _res_conv = *(LDKCResult_LockedChannelMonitorNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_LockedChannelMonitorNoneZ _res_conv = *(LDKCResult_LockedChannelMonitorNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_LockedChannelMonitorNoneZ_free(_res_conv);
 }
@@ -15383,7 +15814,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1OutPointZ_1free(JNIEnv *
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PaymentPurpose_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKPaymentPurpose this_ptr_conv = *(LDKPaymentPurpose*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKPaymentPurpose this_ptr_conv = *(LDKPaymentPurpose*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        PaymentPurpose_free(this_ptr_conv);
 }
@@ -15421,7 +15854,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentPurpose_1spontaneous
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ClosureReason_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKClosureReason this_ptr_conv = *(LDKClosureReason*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKClosureReason this_ptr_conv = *(LDKClosureReason*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        ClosureReason_free(this_ptr_conv);
 }
@@ -15496,7 +15931,9 @@ JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ClosureReason_1write(JN
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Event_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKEvent this_ptr_conv = *(LDKEvent*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKEvent this_ptr_conv = *(LDKEvent*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Event_free(this_ptr_conv);
 }
@@ -15527,7 +15964,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1received(JN
        LDKThirtyTwoBytes payment_hash_ref;
        CHECK((*env)->GetArrayLength(env, payment_hash) == 32);
        (*env)->GetByteArrayRegion(env, payment_hash, 0, 32, payment_hash_ref.data);
-       LDKPaymentPurpose purpose_conv = *(LDKPaymentPurpose*)(((uint64_t)purpose) & ~1);
+       void* purpose_ptr = (void*)(((uint64_t)purpose) & ~1);
+       CHECK_ACCESS(purpose_ptr);
+       LDKPaymentPurpose purpose_conv = *(LDKPaymentPurpose*)(purpose_ptr);
        purpose_conv = PaymentPurpose_clone((LDKPaymentPurpose*)(((uint64_t)purpose) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_received(payment_hash_ref, amt, purpose_conv);
@@ -15552,7 +15991,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1path_1faile
        LDKThirtyTwoBytes payment_hash_ref;
        CHECK((*env)->GetArrayLength(env, payment_hash) == 32);
        (*env)->GetByteArrayRegion(env, payment_hash, 0, 32, payment_hash_ref.data);
-       LDKCOption_NetworkUpdateZ network_update_conv = *(LDKCOption_NetworkUpdateZ*)(((uint64_t)network_update) & ~1);
+       void* network_update_ptr = (void*)(((uint64_t)network_update) & ~1);
+       CHECK_ACCESS(network_update_ptr);
+       LDKCOption_NetworkUpdateZ network_update_conv = *(LDKCOption_NetworkUpdateZ*)(network_update_ptr);
        network_update_conv = COption_NetworkUpdateZ_clone((LDKCOption_NetworkUpdateZ*)(((uint64_t)network_update) & ~1));
        LDKCVec_RouteHopZ path_constr;
        path_constr.datalen = (*env)->GetArrayLength(env, path);
@@ -15570,7 +16011,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1path_1faile
                path_constr.data[k] = path_conv_10_conv;
        }
        (*env)->ReleaseLongArrayElements(env, path, path_vals, 0);
-       LDKCOption_u64Z short_channel_id_conv = *(LDKCOption_u64Z*)(((uint64_t)short_channel_id) & ~1);
+       void* short_channel_id_ptr = (void*)(((uint64_t)short_channel_id) & ~1);
+       CHECK_ACCESS(short_channel_id_ptr);
+       LDKCOption_u64Z short_channel_id_conv = *(LDKCOption_u64Z*)(short_channel_id_ptr);
        short_channel_id_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)short_channel_id) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_path_failed(payment_hash_ref, rejected_by_dest, network_update_conv, all_paths_failed, path_constr, short_channel_id_conv);
@@ -15595,7 +16038,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1spendable_1outputs(J
        int64_t* outputs_vals = (*env)->GetLongArrayElements (env, outputs, NULL);
        for (size_t b = 0; b < outputs_constr.datalen; b++) {
                int64_t outputs_conv_27 = outputs_vals[b];
-               LDKSpendableOutputDescriptor outputs_conv_27_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)outputs_conv_27) & ~1);
+               void* outputs_conv_27_ptr = (void*)(((uint64_t)outputs_conv_27) & ~1);
+               CHECK_ACCESS(outputs_conv_27_ptr);
+               LDKSpendableOutputDescriptor outputs_conv_27_conv = *(LDKSpendableOutputDescriptor*)(outputs_conv_27_ptr);
                outputs_conv_27_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)outputs_conv_27) & ~1));
                outputs_constr.data[b] = outputs_conv_27_conv;
        }
@@ -15607,7 +16052,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1spendable_1outputs(J
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1forwarded(JNIEnv *env, jclass clz, int64_t fee_earned_msat, jboolean claim_from_onchain_tx) {
-       LDKCOption_u64Z fee_earned_msat_conv = *(LDKCOption_u64Z*)(((uint64_t)fee_earned_msat) & ~1);
+       void* fee_earned_msat_ptr = (void*)(((uint64_t)fee_earned_msat) & ~1);
+       CHECK_ACCESS(fee_earned_msat_ptr);
+       LDKCOption_u64Z fee_earned_msat_conv = *(LDKCOption_u64Z*)(fee_earned_msat_ptr);
        fee_earned_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_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);
@@ -15619,7 +16066,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1channel_1closed(JNIE
        LDKThirtyTwoBytes channel_id_ref;
        CHECK((*env)->GetArrayLength(env, channel_id) == 32);
        (*env)->GetByteArrayRegion(env, channel_id, 0, 32, channel_id_ref.data);
-       LDKClosureReason reason_conv = *(LDKClosureReason*)(((uint64_t)reason) & ~1);
+       void* reason_ptr = (void*)(((uint64_t)reason) & ~1);
+       CHECK_ACCESS(reason_ptr);
+       LDKClosureReason reason_conv = *(LDKClosureReason*)(reason_ptr);
        reason_conv = ClosureReason_clone((LDKClosureReason*)(((uint64_t)reason) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_channel_closed(channel_id_ref, user_channel_id, reason_conv);
@@ -15653,7 +16102,9 @@ JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Event_1write(JNIEnv *en
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKMessageSendEvent this_ptr_conv = *(LDKMessageSendEvent*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKMessageSendEvent this_ptr_conv = *(LDKMessageSendEvent*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        MessageSendEvent_free(this_ptr_conv);
 }
@@ -15875,7 +16326,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1handle_1e
        LDKPublicKey node_id_ref;
        CHECK((*env)->GetArrayLength(env, node_id) == 33);
        (*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
-       LDKErrorAction action_conv = *(LDKErrorAction*)(((uint64_t)action) & ~1);
+       void* action_ptr = (void*)(((uint64_t)action) & ~1);
+       CHECK_ACCESS(action_ptr);
+       LDKErrorAction action_conv = *(LDKErrorAction*)(action_ptr);
        action_conv = ErrorAction_clone((LDKErrorAction*)(((uint64_t)action) & ~1));
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_handle_error(node_id_ref, action_conv);
@@ -15927,28 +16380,36 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1rep
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageSendEventsProvider_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKMessageSendEventsProvider this_ptr_conv = *(LDKMessageSendEventsProvider*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKMessageSendEventsProvider this_ptr_conv = *(LDKMessageSendEventsProvider*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        MessageSendEventsProvider_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_EventsProvider_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKEventsProvider this_ptr_conv = *(LDKEventsProvider*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKEventsProvider this_ptr_conv = *(LDKEventsProvider*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        EventsProvider_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_EventHandler_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKEventHandler this_ptr_conv = *(LDKEventHandler*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKEventHandler this_ptr_conv = *(LDKEventHandler*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        EventHandler_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_APIError_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKAPIError this_ptr_conv = *(LDKAPIError*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKAPIError this_ptr_conv = *(LDKAPIError*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        APIError_free(this_ptr_conv);
 }
@@ -16100,7 +16561,9 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Level_1max(JNIEnv *env, jcla
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Logger_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKLogger this_ptr_conv = *(LDKLogger*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKLogger this_ptr_conv = *(LDKLogger*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Logger_free(this_ptr_conv);
 }
@@ -16752,21 +17215,27 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_AccessError_1unknown_1tx(JNI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Access_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKAccess this_ptr_conv = *(LDKAccess*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKAccess this_ptr_conv = *(LDKAccess*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Access_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Listen_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKListen this_ptr_conv = *(LDKListen*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKListen this_ptr_conv = *(LDKListen*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Listen_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Confirm_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKConfirm this_ptr_conv = *(LDKConfirm*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKConfirm this_ptr_conv = *(LDKConfirm*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Confirm_free(this_ptr_conv);
 }
@@ -16789,14 +17258,18 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdateErr_1per
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Watch_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKWatch this_ptr_conv = *(LDKWatch*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKWatch this_ptr_conv = *(LDKWatch*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Watch_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Filter_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKFilter this_ptr_conv = *(LDKFilter*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKFilter this_ptr_conv = *(LDKFilter*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Filter_free(this_ptr_conv);
 }
@@ -16919,7 +17392,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WatchedOutput_1hash(JNIEnv
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BroadcasterInterface_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKBroadcasterInterface this_ptr_conv = *(LDKBroadcasterInterface*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKBroadcasterInterface this_ptr_conv = *(LDKBroadcasterInterface*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        BroadcasterInterface_free(this_ptr_conv);
 }
@@ -16954,14 +17429,18 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_ConfirmationTarget_1eq(JNI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_FeeEstimator_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKFeeEstimator this_ptr_conv = *(LDKFeeEstimator*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKFeeEstimator this_ptr_conv = *(LDKFeeEstimator*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        FeeEstimator_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Persist_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKPersist this_ptr_conv = *(LDKPersist*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKPersist this_ptr_conv = *(LDKPersist*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Persist_free(this_ptr_conv);
 }
@@ -16981,7 +17460,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1free(JNIEnv *env
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1new(JNIEnv *env, jclass clz, int64_t chain_source, int64_t broadcaster, int64_t logger, int64_t feeest, int64_t persister) {
-       LDKCOption_FilterZ chain_source_conv = *(LDKCOption_FilterZ*)(((uint64_t)chain_source) & ~1);
+       void* chain_source_ptr = (void*)(((uint64_t)chain_source) & ~1);
+       CHECK_ACCESS(chain_source_ptr);
+       LDKCOption_FilterZ chain_source_conv = *(LDKCOption_FilterZ*)(chain_source_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_FilterZ
        if (chain_source_conv.tag == LDKCOption_FilterZ_Some) {
                // Manually implement clone for Java trait instances
@@ -16990,22 +17471,30 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1new(JNIEnv *e
                        LDKFilter_JCalls_cloned(&chain_source_conv.some);
                }
        }
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
        if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
        }
-       LDKFeeEstimator feeest_conv = *(LDKFeeEstimator*)(((uint64_t)feeest) & ~1);
+       void* feeest_ptr = (void*)(((uint64_t)feeest) & ~1);
+       CHECK_ACCESS(feeest_ptr);
+       LDKFeeEstimator feeest_conv = *(LDKFeeEstimator*)(feeest_ptr);
        if (feeest_conv.free == LDKFeeEstimator_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFeeEstimator_JCalls_cloned(&feeest_conv);
        }
-       LDKPersist persister_conv = *(LDKPersist*)(((uint64_t)persister) & ~1);
+       void* persister_ptr = (void*)(((uint64_t)persister) & ~1);
+       CHECK_ACCESS(persister_ptr);
+       LDKPersist persister_conv = *(LDKPersist*)(persister_ptr);
        if (persister_conv.free == LDKPersist_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKPersist_JCalls_cloned(&persister_conv);
@@ -17045,7 +17534,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1get_1cla
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t j = 0; j < ret_var.datalen; j++) {
                LDKBalance *ret_conv_9_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
-               *ret_conv_9_copy = Balance_clone(&ret_var.data[j]);
+               *ret_conv_9_copy = ret_var.data[j];
                uint64_t ret_conv_9_ref = (uint64_t)ret_conv_9_copy;
                ret_arr_ptr[j] = ret_conv_9_ref;
        }
@@ -17205,7 +17694,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorUpdateError_1clone(J
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKMonitorEvent this_ptr_conv = *(LDKMonitorEvent*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKMonitorEvent this_ptr_conv = *(LDKMonitorEvent*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        MonitorEvent_free(this_ptr_conv);
 }
@@ -17284,7 +17775,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCUpdate_1read(JNIEnv *en
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Balance_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKBalance this_ptr_conv = *(LDKBalance*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKBalance this_ptr_conv = *(LDKBalance*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Balance_free(this_ptr_conv);
 }
@@ -17371,9 +17864,15 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1update_1mon
        LDKChannelMonitorUpdate updates_conv;
        updates_conv.inner = (void*)(updates & (~1));
        updates_conv.is_owned = false;
-       LDKBroadcasterInterface* broadcaster_conv = (LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
-       LDKFeeEstimator* fee_estimator_conv = (LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
-       LDKLogger* logger_conv = (LDKLogger*)(((uint64_t)logger) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       if (!(broadcaster & 1)) { CHECK_ACCESS(broadcaster_ptr); }
+       LDKBroadcasterInterface* broadcaster_conv = (LDKBroadcasterInterface*)broadcaster_ptr;
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       if (!(fee_estimator & 1)) { CHECK_ACCESS(fee_estimator_ptr); }
+       LDKFeeEstimator* fee_estimator_conv = (LDKFeeEstimator*)fee_estimator_ptr;
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       if (!(logger & 1)) { CHECK_ACCESS(logger_ptr); }
+       LDKLogger* logger_conv = (LDKLogger*)logger_ptr;
        LDKCResult_NoneMonitorUpdateErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneMonitorUpdateErrorZ), "LDKCResult_NoneMonitorUpdateErrorZ");
        *ret_conv = ChannelMonitor_update_monitor(&this_arg_conv, &updates_conv, broadcaster_conv, fee_estimator_conv, logger_conv);
        return (uint64_t)ret_conv;
@@ -17417,7 +17916,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1load_1outputs_
        LDKChannelMonitor this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKFilter* filter_conv = (LDKFilter*)(((uint64_t)filter) & ~1);
+       void* filter_ptr = (void*)(((uint64_t)filter) & ~1);
+       if (!(filter & 1)) { CHECK_ACCESS(filter_ptr); }
+       LDKFilter* filter_conv = (LDKFilter*)filter_ptr;
        ChannelMonitor_load_outputs_to_watch(&this_arg_conv, filter_conv);
 }
 
@@ -17430,7 +17931,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1a
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKMonitorEvent *ret_conv_14_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
-               *ret_conv_14_copy = MonitorEvent_clone(&ret_var.data[o]);
+               *ret_conv_14_copy = ret_var.data[o];
                uint64_t ret_conv_14_ref = (uint64_t)ret_conv_14_copy;
                ret_arr_ptr[o] = ret_conv_14_ref;
        }
@@ -17448,7 +17949,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1a
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t h = 0; h < ret_var.datalen; h++) {
                LDKEvent *ret_conv_7_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
-               *ret_conv_7_copy = Event_clone(&ret_var.data[h]);
+               *ret_conv_7_copy = ret_var.data[h];
                uint64_t ret_conv_7_ref = (uint64_t)ret_conv_7_copy;
                ret_arr_ptr[h] = ret_conv_7_ref;
        }
@@ -17461,7 +17962,9 @@ JNIEXPORT jobjectArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1l
        LDKChannelMonitor this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKLogger* logger_conv = (LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       if (!(logger & 1)) { CHECK_ACCESS(logger_ptr); }
+       LDKLogger* logger_conv = (LDKLogger*)logger_ptr;
        LDKCVec_TransactionZ ret_var = ChannelMonitor_get_latest_holder_commitment_txn(&this_arg_conv, logger_conv);
        jobjectArray ret_arr = (*env)->NewObjectArray(env, ret_var.datalen, arr_of_B_clz, NULL);
        ;
@@ -17493,22 +17996,30 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1block_
        int64_t* txdata_vals = (*env)->GetLongArrayElements (env, txdata, NULL);
        for (size_t c = 0; c < txdata_constr.datalen; c++) {
                int64_t txdata_conv_28 = txdata_vals[c];
-               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1);
+               void* txdata_conv_28_ptr = (void*)(((uint64_t)txdata_conv_28) & ~1);
+               CHECK_ACCESS(txdata_conv_28_ptr);
+               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(txdata_conv_28_ptr);
                txdata_conv_28_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1));
                txdata_constr.data[c] = txdata_conv_28_conv;
        }
        (*env)->ReleaseLongArrayElements(env, txdata, txdata_vals, 0);
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
        if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
        }
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
        if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
@@ -17534,17 +18045,23 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1block_1disconn
        CHECK((*env)->GetArrayLength(env, header) == 80);
        (*env)->GetByteArrayRegion(env, header, 0, 80, header_arr);
        unsigned char (*header_ref)[80] = &header_arr;
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
        if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
        }
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
        if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
@@ -17569,22 +18086,30 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1transa
        int64_t* txdata_vals = (*env)->GetLongArrayElements (env, txdata, NULL);
        for (size_t c = 0; c < txdata_constr.datalen; c++) {
                int64_t txdata_conv_28 = txdata_vals[c];
-               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1);
+               void* txdata_conv_28_ptr = (void*)(((uint64_t)txdata_conv_28) & ~1);
+               CHECK_ACCESS(txdata_conv_28_ptr);
+               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(txdata_conv_28_ptr);
                txdata_conv_28_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1));
                txdata_constr.data[c] = txdata_conv_28_conv;
        }
        (*env)->ReleaseLongArrayElements(env, txdata, txdata_vals, 0);
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
        if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
        }
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
        if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
@@ -17610,17 +18135,23 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1transaction_1u
        CHECK((*env)->GetArrayLength(env, txid) == 32);
        (*env)->GetByteArrayRegion(env, txid, 0, 32, txid_arr);
        unsigned char (*txid_ref)[32] = &txid_arr;
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
        if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
        }
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
        if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
@@ -17636,17 +18167,23 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1best_1
        CHECK((*env)->GetArrayLength(env, header) == 80);
        (*env)->GetByteArrayRegion(env, header, 0, 80, header_arr);
        unsigned char (*header_ref)[80] = &header_arr;
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
        if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
        }
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
        if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
@@ -17703,7 +18240,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1c
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t j = 0; j < ret_var.datalen; j++) {
                LDKBalance *ret_conv_9_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
-               *ret_conv_9_copy = Balance_clone(&ret_var.data[j]);
+               *ret_conv_9_copy = ret_var.data[j];
                uint64_t ret_conv_9_ref = (uint64_t)ret_conv_9_copy;
                ret_arr_ptr[j] = ret_conv_9_ref;
        }
@@ -17716,7 +18253,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMo
        LDKu8slice ser_ref;
        ser_ref.datalen = (*env)->GetArrayLength(env, ser);
        ser_ref.data = (*env)->GetByteArrayElements (env, ser, NULL);
-       LDKKeysInterface* arg_conv = (LDKKeysInterface*)(((uint64_t)arg) & ~1);
+       void* arg_ptr = (void*)(((uint64_t)arg) & ~1);
+       if (!(arg & 1)) { CHECK_ACCESS(arg_ptr); }
+       LDKKeysInterface* arg_conv = (LDKKeysInterface*)arg_ptr;
        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);
@@ -17911,7 +18450,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescriptor
        LDKDelayedPaymentOutputDescriptor this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKTxOut val_conv = *(LDKTxOut*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKTxOut val_conv = *(LDKTxOut*)(val_ptr);
        val_conv = TxOut_clone((LDKTxOut*)(((uint64_t)val) & ~1));
        DelayedPaymentOutputDescriptor_set_output(&this_ptr_conv, val_conv);
 }
@@ -17977,7 +18518,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescrip
        LDKPublicKey per_commitment_point_arg_ref;
        CHECK((*env)->GetArrayLength(env, per_commitment_point_arg) == 33);
        (*env)->GetByteArrayRegion(env, per_commitment_point_arg, 0, 33, per_commitment_point_arg_ref.compressed_form);
-       LDKTxOut output_arg_conv = *(LDKTxOut*)(((uint64_t)output_arg) & ~1);
+       void* output_arg_ptr = (void*)(((uint64_t)output_arg) & ~1);
+       CHECK_ACCESS(output_arg_ptr);
+       LDKTxOut output_arg_conv = *(LDKTxOut*)(output_arg_ptr);
        output_arg_conv = TxOut_clone((LDKTxOut*)(((uint64_t)output_arg) & ~1));
        LDKPublicKey revocation_pubkey_arg_ref;
        CHECK((*env)->GetArrayLength(env, revocation_pubkey_arg) == 33);
@@ -18066,7 +18609,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescriptor_
        LDKStaticPaymentOutputDescriptor this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKTxOut val_conv = *(LDKTxOut*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKTxOut val_conv = *(LDKTxOut*)(val_ptr);
        val_conv = TxOut_clone((LDKTxOut*)(((uint64_t)val) & ~1));
        StaticPaymentOutputDescriptor_set_output(&this_ptr_conv, val_conv);
 }
@@ -18110,7 +18655,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescript
        outpoint_arg_conv.inner = (void*)(outpoint_arg & (~1));
        outpoint_arg_conv.is_owned = (outpoint_arg & 1) || (outpoint_arg == 0);
        outpoint_arg_conv = OutPoint_clone(&outpoint_arg_conv);
-       LDKTxOut output_arg_conv = *(LDKTxOut*)(((uint64_t)output_arg) & ~1);
+       void* output_arg_ptr = (void*)(((uint64_t)output_arg) & ~1);
+       CHECK_ACCESS(output_arg_ptr);
+       LDKTxOut output_arg_conv = *(LDKTxOut*)(output_arg_ptr);
        output_arg_conv = TxOut_clone((LDKTxOut*)(((uint64_t)output_arg) & ~1));
        LDKThirtyTwoBytes channel_keys_id_arg_ref;
        CHECK((*env)->GetArrayLength(env, channel_keys_id_arg) == 32);
@@ -18162,7 +18709,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescript
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKSpendableOutputDescriptor this_ptr_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKSpendableOutputDescriptor this_ptr_conv = *(LDKSpendableOutputDescriptor*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        SpendableOutputDescriptor_free(this_ptr_conv);
 }
@@ -18180,7 +18729,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1
        outpoint_conv.inner = (void*)(outpoint & (~1));
        outpoint_conv.is_owned = (outpoint & 1) || (outpoint == 0);
        outpoint_conv = OutPoint_clone(&outpoint_conv);
-       LDKTxOut output_conv = *(LDKTxOut*)(((uint64_t)output) & ~1);
+       void* output_ptr = (void*)(((uint64_t)output) & ~1);
+       CHECK_ACCESS(output_ptr);
+       LDKTxOut output_conv = *(LDKTxOut*)(output_ptr);
        output_conv = TxOut_clone((LDKTxOut*)(((uint64_t)output) & ~1));
        LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
        *ret_copy = SpendableOutputDescriptor_static_output(outpoint_conv, output_conv);
@@ -18231,13 +18782,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BaseSign_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKBaseSign this_ptr_conv = *(LDKBaseSign*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKBaseSign this_ptr_conv = *(LDKBaseSign*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        BaseSign_free(this_ptr_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Sign_1clone(JNIEnv *env, jclass clz, int64_t orig) {
-       LDKSign* orig_conv = (LDKSign*)(((uint64_t)orig) & ~1);
+       void* orig_ptr = (void*)(((uint64_t)orig) & ~1);
+       if (!(orig & 1)) { CHECK_ACCESS(orig_ptr); }
+       LDKSign* orig_conv = (LDKSign*)orig_ptr;
        LDKSign* ret_ret =MALLOC(sizeof(LDKSign), "LDKSign");
        *ret_ret = Sign_clone(orig_conv);
        return (uint64_t)ret_ret;
@@ -18245,14 +18800,18 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Sign_1clone(JNIEnv *env, jc
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Sign_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKSign this_ptr_conv = *(LDKSign*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKSign this_ptr_conv = *(LDKSign*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Sign_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_KeysInterface_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKKeysInterface this_ptr_conv = *(LDKKeysInterface*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKKeysInterface this_ptr_conv = *(LDKKeysInterface*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        KeysInterface_free(this_ptr_conv);
 }
@@ -18616,7 +19175,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysManager_1spend_1spendab
        int64_t* descriptors_vals = (*env)->GetLongArrayElements (env, descriptors, NULL);
        for (size_t b = 0; b < descriptors_constr.datalen; b++) {
                int64_t descriptors_conv_27 = descriptors_vals[b];
-               LDKSpendableOutputDescriptor descriptors_conv_27_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)descriptors_conv_27) & ~1);
+               void* descriptors_conv_27_ptr = (void*)(((uint64_t)descriptors_conv_27) & ~1);
+               CHECK_ACCESS(descriptors_conv_27_ptr);
+               LDKSpendableOutputDescriptor descriptors_conv_27_conv = *(LDKSpendableOutputDescriptor*)(descriptors_conv_27_ptr);
                descriptors_conv_27_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)descriptors_conv_27) & ~1));
                descriptors_constr.data[b] = descriptors_conv_27_conv;
        }
@@ -18630,7 +19191,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysManager_1spend_1spendab
        int64_t* outputs_vals = (*env)->GetLongArrayElements (env, outputs, NULL);
        for (size_t h = 0; h < outputs_constr.datalen; h++) {
                int64_t outputs_conv_7 = outputs_vals[h];
-               LDKTxOut outputs_conv_7_conv = *(LDKTxOut*)(((uint64_t)outputs_conv_7) & ~1);
+               void* outputs_conv_7_ptr = (void*)(((uint64_t)outputs_conv_7) & ~1);
+               CHECK_ACCESS(outputs_conv_7_ptr);
+               LDKTxOut outputs_conv_7_conv = *(LDKTxOut*)(outputs_conv_7_ptr);
                outputs_conv_7_conv = TxOut_clone((LDKTxOut*)(((uint64_t)outputs_conv_7) & ~1));
                outputs_constr.data[h] = outputs_conv_7_conv;
        }
@@ -19093,7 +19656,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1set_1short_1ch
        LDKChannelDetails this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        ChannelDetails_set_short_channel_id(&this_ptr_conv, val_conv);
 }
@@ -19127,7 +19692,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1set_1unspendab
        LDKChannelDetails this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        ChannelDetails_set_unspendable_punishment_reserve(&this_ptr_conv, val_conv);
 }
@@ -19191,7 +19758,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1set_1confirmat
        LDKChannelDetails this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u32Z val_conv = *(LDKCOption_u32Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u32Z val_conv = *(LDKCOption_u32Z*)(val_ptr);
        val_conv = COption_u32Z_clone((LDKCOption_u32Z*)(((uint64_t)val) & ~1));
        ChannelDetails_set_confirmations_required(&this_ptr_conv, val_conv);
 }
@@ -19210,7 +19779,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1set_1force_1cl
        LDKChannelDetails this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u16Z val_conv = *(LDKCOption_u16Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u16Z val_conv = *(LDKCOption_u16Z*)(val_ptr);
        val_conv = COption_u16Z_clone((LDKCOption_u16Z*)(((uint64_t)val) & ~1));
        ChannelDetails_set_force_close_spend_delay(&this_ptr_conv, val_conv);
 }
@@ -19287,12 +19858,20 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1new(JNIEnv
        funding_txo_arg_conv.inner = (void*)(funding_txo_arg & (~1));
        funding_txo_arg_conv.is_owned = (funding_txo_arg & 1) || (funding_txo_arg == 0);
        funding_txo_arg_conv = OutPoint_clone(&funding_txo_arg_conv);
-       LDKCOption_u64Z short_channel_id_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)short_channel_id_arg) & ~1);
+       void* short_channel_id_arg_ptr = (void*)(((uint64_t)short_channel_id_arg) & ~1);
+       CHECK_ACCESS(short_channel_id_arg_ptr);
+       LDKCOption_u64Z short_channel_id_arg_conv = *(LDKCOption_u64Z*)(short_channel_id_arg_ptr);
        short_channel_id_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)short_channel_id_arg) & ~1));
-       LDKCOption_u64Z unspendable_punishment_reserve_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)unspendable_punishment_reserve_arg) & ~1);
-       LDKCOption_u32Z confirmations_required_arg_conv = *(LDKCOption_u32Z*)(((uint64_t)confirmations_required_arg) & ~1);
+       void* unspendable_punishment_reserve_arg_ptr = (void*)(((uint64_t)unspendable_punishment_reserve_arg) & ~1);
+       CHECK_ACCESS(unspendable_punishment_reserve_arg_ptr);
+       LDKCOption_u64Z unspendable_punishment_reserve_arg_conv = *(LDKCOption_u64Z*)(unspendable_punishment_reserve_arg_ptr);
+       void* confirmations_required_arg_ptr = (void*)(((uint64_t)confirmations_required_arg) & ~1);
+       CHECK_ACCESS(confirmations_required_arg_ptr);
+       LDKCOption_u32Z confirmations_required_arg_conv = *(LDKCOption_u32Z*)(confirmations_required_arg_ptr);
        confirmations_required_arg_conv = COption_u32Z_clone((LDKCOption_u32Z*)(((uint64_t)confirmations_required_arg) & ~1));
-       LDKCOption_u16Z force_close_spend_delay_arg_conv = *(LDKCOption_u16Z*)(((uint64_t)force_close_spend_delay_arg) & ~1);
+       void* force_close_spend_delay_arg_ptr = (void*)(((uint64_t)force_close_spend_delay_arg) & ~1);
+       CHECK_ACCESS(force_close_spend_delay_arg_ptr);
+       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*)(((uint64_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, 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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -19320,7 +19899,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1clone(JNIEn
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKPaymentSendFailure this_ptr_conv = *(LDKPaymentSendFailure*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKPaymentSendFailure this_ptr_conv = *(LDKPaymentSendFailure*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        PaymentSendFailure_free(this_ptr_conv);
 }
@@ -19334,7 +19915,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1clone(J
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1parameter_1error(JNIEnv *env, jclass clz, int64_t a) {
-       LDKAPIError a_conv = *(LDKAPIError*)(((uint64_t)a) & ~1);
+       void* a_ptr = (void*)(((uint64_t)a) & ~1);
+       CHECK_ACCESS(a_ptr);
+       LDKAPIError a_conv = *(LDKAPIError*)(a_ptr);
        a_conv = APIError_clone((LDKAPIError*)(((uint64_t)a) & ~1));
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = PaymentSendFailure_parameter_error(a_conv);
@@ -19352,7 +19935,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1path_1p
        int64_t* a_vals = (*env)->GetLongArrayElements (env, a, NULL);
        for (size_t w = 0; w < a_constr.datalen; w++) {
                int64_t a_conv_22 = a_vals[w];
-               LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1);
+               void* a_conv_22_ptr = (void*)(((uint64_t)a_conv_22) & ~1);
+               CHECK_ACCESS(a_conv_22_ptr);
+               LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(a_conv_22_ptr);
                a_conv_22_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1));
                a_constr.data[w] = a_conv_22_conv;
        }
@@ -19373,7 +19958,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1all_1fa
        int64_t* a_vals = (*env)->GetLongArrayElements (env, a, NULL);
        for (size_t k = 0; k < a_constr.datalen; k++) {
                int64_t a_conv_10 = a_vals[k];
-               LDKAPIError a_conv_10_conv = *(LDKAPIError*)(((uint64_t)a_conv_10) & ~1);
+               void* a_conv_10_ptr = (void*)(((uint64_t)a_conv_10) & ~1);
+               CHECK_ACCESS(a_conv_10_ptr);
+               LDKAPIError a_conv_10_conv = *(LDKAPIError*)(a_conv_10_ptr);
                a_conv_10_conv = APIError_clone((LDKAPIError*)(((uint64_t)a_conv_10) & ~1));
                a_constr.data[k] = a_conv_10_conv;
        }
@@ -19394,7 +19981,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1partial
        int64_t* a_vals = (*env)->GetLongArrayElements (env, a, NULL);
        for (size_t w = 0; w < a_constr.datalen; w++) {
                int64_t a_conv_22 = a_vals[w];
-               LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1);
+               void* a_conv_22_ptr = (void*)(((uint64_t)a_conv_22) & ~1);
+               CHECK_ACCESS(a_conv_22_ptr);
+               LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(a_conv_22_ptr);
                a_conv_22_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1));
                a_constr.data[w] = a_conv_22_conv;
        }
@@ -19406,27 +19995,37 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1partial
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1new(JNIEnv *env, jclass clz, int64_t fee_est, int64_t chain_monitor, int64_t tx_broadcaster, int64_t logger, int64_t keys_manager, int64_t config, int64_t params) {
-       LDKFeeEstimator fee_est_conv = *(LDKFeeEstimator*)(((uint64_t)fee_est) & ~1);
+       void* fee_est_ptr = (void*)(((uint64_t)fee_est) & ~1);
+       CHECK_ACCESS(fee_est_ptr);
+       LDKFeeEstimator fee_est_conv = *(LDKFeeEstimator*)(fee_est_ptr);
        if (fee_est_conv.free == LDKFeeEstimator_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFeeEstimator_JCalls_cloned(&fee_est_conv);
        }
-       LDKWatch chain_monitor_conv = *(LDKWatch*)(((uint64_t)chain_monitor) & ~1);
+       void* chain_monitor_ptr = (void*)(((uint64_t)chain_monitor) & ~1);
+       CHECK_ACCESS(chain_monitor_ptr);
+       LDKWatch chain_monitor_conv = *(LDKWatch*)(chain_monitor_ptr);
        if (chain_monitor_conv.free == LDKWatch_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKWatch_JCalls_cloned(&chain_monitor_conv);
        }
-       LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)tx_broadcaster) & ~1);
+       void* tx_broadcaster_ptr = (void*)(((uint64_t)tx_broadcaster) & ~1);
+       CHECK_ACCESS(tx_broadcaster_ptr);
+       LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(tx_broadcaster_ptr);
        if (tx_broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKBroadcasterInterface_JCalls_cloned(&tx_broadcaster_conv);
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
        }
-       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
+       void* keys_manager_ptr = (void*)(((uint64_t)keys_manager) & ~1);
+       CHECK_ACCESS(keys_manager_ptr);
+       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(keys_manager_ptr);
        if (keys_manager_conv.free == LDKKeysInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKKeysInterface_JCalls_cloned(&keys_manager_conv);
@@ -19655,7 +20254,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManager_1broadcast_1nod
        int64_t* addresses_vals = (*env)->GetLongArrayElements (env, addresses, NULL);
        for (size_t m = 0; m < addresses_constr.datalen; m++) {
                int64_t addresses_conv_12 = addresses_vals[m];
-               LDKNetAddress addresses_conv_12_conv = *(LDKNetAddress*)(((uint64_t)addresses_conv_12) & ~1);
+               void* addresses_conv_12_ptr = (void*)(((uint64_t)addresses_conv_12) & ~1);
+               CHECK_ACCESS(addresses_conv_12_ptr);
+               LDKNetAddress addresses_conv_12_conv = *(LDKNetAddress*)(addresses_conv_12_ptr);
                addresses_constr.data[m] = addresses_conv_12_conv;
        }
        (*env)->ReleaseLongArrayElements(env, addresses, addresses_vals, 0);
@@ -19722,7 +20323,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inb
        LDKChannelManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKCOption_u64Z min_value_msat_conv = *(LDKCOption_u64Z*)(((uint64_t)min_value_msat) & ~1);
+       void* min_value_msat_ptr = (void*)(((uint64_t)min_value_msat) & ~1);
+       CHECK_ACCESS(min_value_msat_ptr);
+       LDKCOption_u64Z min_value_msat_conv = *(LDKCOption_u64Z*)(min_value_msat_ptr);
        min_value_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)min_value_msat) & ~1));
        LDKC2Tuple_PaymentHashPaymentSecretZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentSecretZ), "LDKC2Tuple_PaymentHashPaymentSecretZ");
        *ret_conv = ChannelManager_create_inbound_payment(&this_arg_conv, min_value_msat_conv, invoice_expiry_delta_secs, user_payment_id);
@@ -19736,7 +20339,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inb
        LDKThirtyTwoBytes payment_hash_ref;
        CHECK((*env)->GetArrayLength(env, payment_hash) == 32);
        (*env)->GetByteArrayRegion(env, payment_hash, 0, 32, payment_hash_ref.data);
-       LDKCOption_u64Z min_value_msat_conv = *(LDKCOption_u64Z*)(((uint64_t)min_value_msat) & ~1);
+       void* min_value_msat_ptr = (void*)(((uint64_t)min_value_msat) & ~1);
+       CHECK_ACCESS(min_value_msat_ptr);
+       LDKCOption_u64Z min_value_msat_conv = *(LDKCOption_u64Z*)(min_value_msat_ptr);
        min_value_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)min_value_msat) & ~1));
        LDKCResult_PaymentSecretAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretAPIErrorZ), "LDKCResult_PaymentSecretAPIErrorZ");
        *ret_conv = ChannelManager_create_inbound_payment_for_hash(&this_arg_conv, payment_hash_ref, min_value_msat_conv, invoice_expiry_delta_secs, user_payment_id);
@@ -19847,7 +20452,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1k
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKKeysInterface val_conv = *(LDKKeysInterface*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKKeysInterface val_conv = *(LDKKeysInterface*)(val_ptr);
        if (val_conv.free == LDKKeysInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKKeysInterface_JCalls_cloned(&val_conv);
@@ -19867,7 +20474,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1f
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKFeeEstimator val_conv = *(LDKFeeEstimator*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKFeeEstimator val_conv = *(LDKFeeEstimator*)(val_ptr);
        if (val_conv.free == LDKFeeEstimator_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFeeEstimator_JCalls_cloned(&val_conv);
@@ -19887,7 +20496,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1c
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKWatch val_conv = *(LDKWatch*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKWatch val_conv = *(LDKWatch*)(val_ptr);
        if (val_conv.free == LDKWatch_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKWatch_JCalls_cloned(&val_conv);
@@ -19907,7 +20518,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1t
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKBroadcasterInterface val_conv = *(LDKBroadcasterInterface*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKBroadcasterInterface val_conv = *(LDKBroadcasterInterface*)(val_ptr);
        if (val_conv.free == LDKBroadcasterInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKBroadcasterInterface_JCalls_cloned(&val_conv);
@@ -19927,7 +20540,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1l
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKLogger val_conv = *(LDKLogger*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKLogger val_conv = *(LDKLogger*)(val_ptr);
        if (val_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&val_conv);
@@ -19961,27 +20576,37 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1d
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1new(JNIEnv *env, jclass clz, int64_t keys_manager, int64_t fee_estimator, int64_t chain_monitor, int64_t tx_broadcaster, int64_t logger, int64_t default_config, int64_tArray channel_monitors) {
-       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
+       void* keys_manager_ptr = (void*)(((uint64_t)keys_manager) & ~1);
+       CHECK_ACCESS(keys_manager_ptr);
+       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(keys_manager_ptr);
        if (keys_manager_conv.free == LDKKeysInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKKeysInterface_JCalls_cloned(&keys_manager_conv);
        }
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
        if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
        }
-       LDKWatch chain_monitor_conv = *(LDKWatch*)(((uint64_t)chain_monitor) & ~1);
+       void* chain_monitor_ptr = (void*)(((uint64_t)chain_monitor) & ~1);
+       CHECK_ACCESS(chain_monitor_ptr);
+       LDKWatch chain_monitor_conv = *(LDKWatch*)(chain_monitor_ptr);
        if (chain_monitor_conv.free == LDKWatch_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKWatch_JCalls_cloned(&chain_monitor_conv);
        }
-       LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)tx_broadcaster) & ~1);
+       void* tx_broadcaster_ptr = (void*)(((uint64_t)tx_broadcaster) & ~1);
+       CHECK_ACCESS(tx_broadcaster_ptr);
+       LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(tx_broadcaster_ptr);
        if (tx_broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKBroadcasterInterface_JCalls_cloned(&tx_broadcaster_conv);
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
@@ -22258,7 +22883,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AnnouncementSignatures_1clo
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetAddress_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKNetAddress this_ptr_conv = *(LDKNetAddress*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKNetAddress this_ptr_conv = *(LDKNetAddress*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        NetAddress_free(this_ptr_conv);
 }
@@ -22457,7 +23084,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_UnsignedNodeAnnouncement_1set_
        int64_t* val_vals = (*env)->GetLongArrayElements (env, val, NULL);
        for (size_t m = 0; m < val_constr.datalen; m++) {
                int64_t val_conv_12 = val_vals[m];
-               LDKNetAddress val_conv_12_conv = *(LDKNetAddress*)(((uint64_t)val_conv_12) & ~1);
+               void* val_conv_12_ptr = (void*)(((uint64_t)val_conv_12) & ~1);
+               CHECK_ACCESS(val_conv_12_ptr);
+               LDKNetAddress val_conv_12_conv = *(LDKNetAddress*)(val_conv_12_ptr);
                val_conv_12_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)val_conv_12) & ~1));
                val_constr.data[m] = val_conv_12_conv;
        }
@@ -23549,7 +24178,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_GossipTimestampFilter_1clon
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ErrorAction_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKErrorAction this_ptr_conv = *(LDKErrorAction*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKErrorAction this_ptr_conv = *(LDKErrorAction*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        ErrorAction_free(this_ptr_conv);
 }
@@ -23638,14 +24269,18 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_LightningError_1set_1action(JN
        LDKLightningError this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKErrorAction val_conv = *(LDKErrorAction*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKErrorAction val_conv = *(LDKErrorAction*)(val_ptr);
        val_conv = ErrorAction_clone((LDKErrorAction*)(((uint64_t)val) & ~1));
        LightningError_set_action(&this_ptr_conv, val_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LightningError_1new(JNIEnv *env, jclass clz, jstring err_arg, int64_t action_arg) {
        LDKStr err_arg_conv = java_to_owned_str(env, err_arg);
-       LDKErrorAction action_arg_conv = *(LDKErrorAction*)(((uint64_t)action_arg) & ~1);
+       void* action_arg_ptr = (void*)(((uint64_t)action_arg) & ~1);
+       CHECK_ACCESS(action_arg_ptr);
+       LDKErrorAction action_arg_conv = *(LDKErrorAction*)(action_arg_ptr);
        action_arg_conv = ErrorAction_clone((LDKErrorAction*)(((uint64_t)action_arg) & ~1));
        LDKLightningError ret_var = LightningError_new(err_arg_conv, action_arg_conv);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -24007,14 +24642,18 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1clone(JNI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKChannelMessageHandler this_ptr_conv = *(LDKChannelMessageHandler*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKChannelMessageHandler this_ptr_conv = *(LDKChannelMessageHandler*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        ChannelMessageHandler_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKRoutingMessageHandler this_ptr_conv = *(LDKRoutingMessageHandler*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKRoutingMessageHandler this_ptr_conv = *(LDKRoutingMessageHandler*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        RoutingMessageHandler_free(this_ptr_conv);
 }
@@ -24701,7 +25340,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_GossipTimestampFilter_1read
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CustomMessageHandler_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKCustomMessageHandler this_ptr_conv = *(LDKCustomMessageHandler*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKCustomMessageHandler this_ptr_conv = *(LDKCustomMessageHandler*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        CustomMessageHandler_free(this_ptr_conv);
 }
@@ -24815,7 +25456,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageHandler_1set_1chan_1han
        LDKMessageHandler this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKChannelMessageHandler val_conv = *(LDKChannelMessageHandler*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKChannelMessageHandler val_conv = *(LDKChannelMessageHandler*)(val_ptr);
        if (val_conv.free == LDKChannelMessageHandler_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKChannelMessageHandler_JCalls_cloned(&val_conv);
@@ -24835,7 +25478,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageHandler_1set_1route_1ha
        LDKMessageHandler this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKRoutingMessageHandler val_conv = *(LDKRoutingMessageHandler*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKRoutingMessageHandler val_conv = *(LDKRoutingMessageHandler*)(val_ptr);
        if (val_conv.free == LDKRoutingMessageHandler_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKRoutingMessageHandler_JCalls_cloned(&val_conv);
@@ -24844,12 +25489,16 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageHandler_1set_1route_1ha
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageHandler_1new(JNIEnv *env, jclass clz, int64_t chan_handler_arg, int64_t route_handler_arg) {
-       LDKChannelMessageHandler chan_handler_arg_conv = *(LDKChannelMessageHandler*)(((uint64_t)chan_handler_arg) & ~1);
+       void* chan_handler_arg_ptr = (void*)(((uint64_t)chan_handler_arg) & ~1);
+       CHECK_ACCESS(chan_handler_arg_ptr);
+       LDKChannelMessageHandler chan_handler_arg_conv = *(LDKChannelMessageHandler*)(chan_handler_arg_ptr);
        if (chan_handler_arg_conv.free == LDKChannelMessageHandler_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKChannelMessageHandler_JCalls_cloned(&chan_handler_arg_conv);
        }
-       LDKRoutingMessageHandler route_handler_arg_conv = *(LDKRoutingMessageHandler*)(((uint64_t)route_handler_arg) & ~1);
+       void* route_handler_arg_ptr = (void*)(((uint64_t)route_handler_arg) & ~1);
+       CHECK_ACCESS(route_handler_arg_ptr);
+       LDKRoutingMessageHandler route_handler_arg_conv = *(LDKRoutingMessageHandler*)(route_handler_arg_ptr);
        if (route_handler_arg_conv.free == LDKRoutingMessageHandler_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKRoutingMessageHandler_JCalls_cloned(&route_handler_arg_conv);
@@ -24865,7 +25514,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageHandler_1new(JNIEnv
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1clone(JNIEnv *env, jclass clz, int64_t orig) {
-       LDKSocketDescriptor* orig_conv = (LDKSocketDescriptor*)(((uint64_t)orig) & ~1);
+       void* orig_ptr = (void*)(((uint64_t)orig) & ~1);
+       if (!(orig & 1)) { CHECK_ACCESS(orig_ptr); }
+       LDKSocketDescriptor* orig_conv = (LDKSocketDescriptor*)orig_ptr;
        LDKSocketDescriptor* ret_ret =MALLOC(sizeof(LDKSocketDescriptor), "LDKSocketDescriptor");
        *ret_ret = SocketDescriptor_clone(orig_conv);
        return (uint64_t)ret_ret;
@@ -24873,7 +25524,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1clone(JNI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKSocketDescriptor this_ptr_conv = *(LDKSocketDescriptor*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKSocketDescriptor this_ptr_conv = *(LDKSocketDescriptor*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        SocketDescriptor_free(this_ptr_conv);
 }
@@ -24944,12 +25597,16 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new(JNIEnv *en
        CHECK((*env)->GetArrayLength(env, ephemeral_random_data) == 32);
        (*env)->GetByteArrayRegion(env, ephemeral_random_data, 0, 32, ephemeral_random_data_arr);
        unsigned char (*ephemeral_random_data_ref)[32] = &ephemeral_random_data_arr;
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
        }
-       LDKCustomMessageHandler custom_message_handler_conv = *(LDKCustomMessageHandler*)(((uint64_t)custom_message_handler) & ~1);
+       void* custom_message_handler_ptr = (void*)(((uint64_t)custom_message_handler) & ~1);
+       CHECK_ACCESS(custom_message_handler_ptr);
+       LDKCustomMessageHandler custom_message_handler_conv = *(LDKCustomMessageHandler*)(custom_message_handler_ptr);
        if (custom_message_handler_conv.free == LDKCustomMessageHandler_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKCustomMessageHandler_JCalls_cloned(&custom_message_handler_conv);
@@ -24987,7 +25644,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new_1outbound_
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
-       LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
+       void* descriptor_ptr = (void*)(((uint64_t)descriptor) & ~1);
+       CHECK_ACCESS(descriptor_ptr);
+       LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(descriptor_ptr);
        if (descriptor_conv.free == LDKSocketDescriptor_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKSocketDescriptor_JCalls_cloned(&descriptor_conv);
@@ -25001,7 +25660,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new_1inbound_1
        LDKPeerManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
+       void* descriptor_ptr = (void*)(((uint64_t)descriptor) & ~1);
+       CHECK_ACCESS(descriptor_ptr);
+       LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(descriptor_ptr);
        if (descriptor_conv.free == LDKSocketDescriptor_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKSocketDescriptor_JCalls_cloned(&descriptor_conv);
@@ -25015,7 +25676,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1write_1buffer_
        LDKPeerManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKSocketDescriptor* descriptor_conv = (LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
+       void* descriptor_ptr = (void*)(((uint64_t)descriptor) & ~1);
+       if (!(descriptor & 1)) { CHECK_ACCESS(descriptor_ptr); }
+       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 (uint64_t)ret_conv;
@@ -25025,7 +25688,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1read_1event(JN
        LDKPeerManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKSocketDescriptor* peer_descriptor_conv = (LDKSocketDescriptor*)(((uint64_t)peer_descriptor) & ~1);
+       void* peer_descriptor_ptr = (void*)(((uint64_t)peer_descriptor) & ~1);
+       if (!(peer_descriptor & 1)) { CHECK_ACCESS(peer_descriptor_ptr); }
+       LDKSocketDescriptor* peer_descriptor_conv = (LDKSocketDescriptor*)peer_descriptor_ptr;
        LDKu8slice data_ref;
        data_ref.datalen = (*env)->GetArrayLength(env, data);
        data_ref.data = (*env)->GetByteArrayElements (env, data, NULL);
@@ -25046,7 +25711,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PeerManager_1socket_1disconnec
        LDKPeerManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKSocketDescriptor* descriptor_conv = (LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
+       void* descriptor_ptr = (void*)(((uint64_t)descriptor) & ~1);
+       if (!(descriptor & 1)) { CHECK_ACCESS(descriptor_ptr); }
+       LDKSocketDescriptor* descriptor_conv = (LDKSocketDescriptor*)descriptor_ptr;
        PeerManager_socket_disconnected(&this_arg_conv, descriptor_conv);
 }
 
@@ -25609,7 +26276,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_HTLCOutputInCommitment_1set_1t
        LDKHTLCOutputInCommitment this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u32Z val_conv = *(LDKCOption_u32Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u32Z val_conv = *(LDKCOption_u32Z*)(val_ptr);
        val_conv = COption_u32Z_clone((LDKCOption_u32Z*)(((uint64_t)val) & ~1));
        HTLCOutputInCommitment_set_transaction_output_index(&this_ptr_conv, val_conv);
 }
@@ -25618,7 +26287,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCOutputInCommitment_1new
        LDKThirtyTwoBytes payment_hash_arg_ref;
        CHECK((*env)->GetArrayLength(env, payment_hash_arg) == 32);
        (*env)->GetByteArrayRegion(env, payment_hash_arg, 0, 32, payment_hash_arg_ref.data);
-       LDKCOption_u32Z transaction_output_index_arg_conv = *(LDKCOption_u32Z*)(((uint64_t)transaction_output_index_arg) & ~1);
+       void* transaction_output_index_arg_ptr = (void*)(((uint64_t)transaction_output_index_arg) & ~1);
+       CHECK_ACCESS(transaction_output_index_arg_ptr);
+       LDKCOption_u32Z transaction_output_index_arg_conv = *(LDKCOption_u32Z*)(transaction_output_index_arg_ptr);
        transaction_output_index_arg_conv = COption_u32Z_clone((LDKCOption_u32Z*)(((uint64_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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -26340,6 +27011,28 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1free(JNIEn
        ClosingTransaction_free(this_obj_conv);
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1clone(JNIEnv *env, jclass clz, int64_t orig) {
+       LDKClosingTransaction orig_conv;
+       orig_conv.inner = (void*)(orig & (~1));
+       orig_conv.is_owned = false;
+       LDKClosingTransaction ret_var = ClosingTransaction_clone(&orig_conv);
+       CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
+       CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
+       uint64_t ret_ref = (uint64_t)ret_var.inner;
+       if (ret_var.is_owned) {
+               ret_ref |= 1;
+       }
+       return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1hash(JNIEnv *env, jclass clz, int64_t o) {
+       LDKClosingTransaction o_conv;
+       o_conv.inner = (void*)(o & (~1));
+       o_conv.is_owned = false;
+       int64_t ret_val = ClosingTransaction_hash(&o_conv);
+       return ret_val;
+}
+
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1new(JNIEnv *env, jclass clz, int64_t to_holder_value_sat, int64_t to_counterparty_value_sat, int8_tArray to_holder_script, int8_tArray to_counterparty_script, int64_t funding_outpoint) {
        LDKCVec_u8Z to_holder_script_ref;
        to_holder_script_ref.datalen = (*env)->GetArrayLength(env, to_holder_script);
@@ -27071,6 +27764,20 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvalidShutdownScript_1new(
        return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvalidShutdownScript_1clone(JNIEnv *env, jclass clz, int64_t orig) {
+       LDKInvalidShutdownScript orig_conv;
+       orig_conv.inner = (void*)(orig & (~1));
+       orig_conv.is_owned = false;
+       LDKInvalidShutdownScript ret_var = InvalidShutdownScript_clone(&orig_conv);
+       CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
+       CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
+       uint64_t ret_ref = (uint64_t)ret_var.inner;
+       if (ret_var.is_owned) {
+               ret_ref |= 1;
+       }
+       return ret_ref;
+}
+
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1write(JNIEnv *env, jclass clz, int64_t obj) {
        LDKShutdownScript obj_conv;
        obj_conv.inner = (void*)(obj & (~1));
@@ -27166,13 +27873,17 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1is_1compat
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CustomMessageReader_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKCustomMessageReader this_ptr_conv = *(LDKCustomMessageReader*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKCustomMessageReader this_ptr_conv = *(LDKCustomMessageReader*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        CustomMessageReader_free(this_ptr_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Type_1clone(JNIEnv *env, jclass clz, int64_t orig) {
-       LDKType* orig_conv = (LDKType*)(((uint64_t)orig) & ~1);
+       void* orig_ptr = (void*)(((uint64_t)orig) & ~1);
+       if (!(orig & 1)) { CHECK_ACCESS(orig_ptr); }
+       LDKType* orig_conv = (LDKType*)orig_ptr;
        LDKType* ret_ret =MALLOC(sizeof(LDKType), "LDKType");
        *ret_ret = Type_clone(orig_conv);
        return (uint64_t)ret_ret;
@@ -27180,14 +27891,18 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Type_1clone(JNIEnv *env, jc
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Type_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKType this_ptr_conv = *(LDKType*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKType this_ptr_conv = *(LDKType*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Type_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Score_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKScore this_ptr_conv = *(LDKScore*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKScore this_ptr_conv = *(LDKScore*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Score_free(this_ptr_conv);
 }
@@ -27296,7 +28011,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ReadOnlyNetworkGraph_1free(JNI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetworkUpdate_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKNetworkUpdate this_ptr_conv = *(LDKNetworkUpdate*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKNetworkUpdate this_ptr_conv = *(LDKNetworkUpdate*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        NetworkUpdate_free(this_ptr_conv);
 }
@@ -27392,7 +28109,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1new(JNI
        network_graph_conv.inner = (void*)(network_graph & (~1));
        network_graph_conv.is_owned = (network_graph & 1) || (network_graph == 0);
        network_graph_conv = NetworkGraph_clone(&network_graph_conv);
-       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(((uint64_t)chain_access) & ~1);
+       void* chain_access_ptr = (void*)(((uint64_t)chain_access) & ~1);
+       CHECK_ACCESS(chain_access_ptr);
+       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(chain_access_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_AccessZ
        if (chain_access_conv.tag == LDKCOption_AccessZ_Some) {
                // Manually implement clone for Java trait instances
@@ -27401,7 +28120,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1new(JNI
                        LDKAccess_JCalls_cloned(&chain_access_conv.some);
                }
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
@@ -27420,7 +28141,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1add_1chain
        LDKNetGraphMsgHandler this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(((uint64_t)chain_access) & ~1);
+       void* chain_access_ptr = (void*)(((uint64_t)chain_access) & ~1);
+       CHECK_ACCESS(chain_access_ptr);
+       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(chain_access_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_AccessZ
        if (chain_access_conv.tag == LDKCOption_AccessZ_Some) {
                // Manually implement clone for Java trait instances
@@ -27531,7 +28254,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DirectionalChannelInfo_1set_1h
        LDKDirectionalChannelInfo this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        DirectionalChannelInfo_set_htlc_maximum_msat(&this_ptr_conv, val_conv);
 }
@@ -27587,7 +28312,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DirectionalChannelInfo_1set_1l
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DirectionalChannelInfo_1new(JNIEnv *env, jclass clz, int32_t last_update_arg, jboolean enabled_arg, int16_t cltv_expiry_delta_arg, int64_t htlc_minimum_msat_arg, int64_t htlc_maximum_msat_arg, int64_t fees_arg, int64_t last_update_message_arg) {
-       LDKCOption_u64Z htlc_maximum_msat_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)htlc_maximum_msat_arg) & ~1);
+       void* htlc_maximum_msat_arg_ptr = (void*)(((uint64_t)htlc_maximum_msat_arg) & ~1);
+       CHECK_ACCESS(htlc_maximum_msat_arg_ptr);
+       LDKCOption_u64Z htlc_maximum_msat_arg_conv = *(LDKCOption_u64Z*)(htlc_maximum_msat_arg_ptr);
        htlc_maximum_msat_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)htlc_maximum_msat_arg) & ~1));
        LDKRoutingFees fees_arg_conv;
        fees_arg_conv.inner = (void*)(fees_arg & (~1));
@@ -27788,7 +28515,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1set_1capacity_1sa
        LDKChannelInfo this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        ChannelInfo_set_capacity_sats(&this_ptr_conv, val_conv);
 }
@@ -27839,7 +28568,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1new(JNIEnv *en
        two_to_one_arg_conv.inner = (void*)(two_to_one_arg & (~1));
        two_to_one_arg_conv.is_owned = (two_to_one_arg & 1) || (two_to_one_arg == 0);
        two_to_one_arg_conv = DirectionalChannelInfo_clone(&two_to_one_arg_conv);
-       LDKCOption_u64Z capacity_sats_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)capacity_sats_arg) & ~1);
+       void* capacity_sats_arg_ptr = (void*)(((uint64_t)capacity_sats_arg) & ~1);
+       CHECK_ACCESS(capacity_sats_arg_ptr);
+       LDKCOption_u64Z capacity_sats_arg_conv = *(LDKCOption_u64Z*)(capacity_sats_arg_ptr);
        capacity_sats_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)capacity_sats_arg) & ~1));
        LDKChannelAnnouncement announcement_message_arg_conv;
        announcement_message_arg_conv.inner = (void*)(announcement_message_arg & (~1));
@@ -28090,7 +28821,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1set_1add
        int64_t* val_vals = (*env)->GetLongArrayElements (env, val, NULL);
        for (size_t m = 0; m < val_constr.datalen; m++) {
                int64_t val_conv_12 = val_vals[m];
-               LDKNetAddress val_conv_12_conv = *(LDKNetAddress*)(((uint64_t)val_conv_12) & ~1);
+               void* val_conv_12_ptr = (void*)(((uint64_t)val_conv_12) & ~1);
+               CHECK_ACCESS(val_conv_12_ptr);
+               LDKNetAddress val_conv_12_conv = *(LDKNetAddress*)(val_conv_12_ptr);
                val_conv_12_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)val_conv_12) & ~1));
                val_constr.data[m] = val_conv_12_conv;
        }
@@ -28143,7 +28876,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1new(J
        int64_t* addresses_arg_vals = (*env)->GetLongArrayElements (env, addresses_arg, NULL);
        for (size_t m = 0; m < addresses_arg_constr.datalen; m++) {
                int64_t addresses_arg_conv_12 = addresses_arg_vals[m];
-               LDKNetAddress addresses_arg_conv_12_conv = *(LDKNetAddress*)(((uint64_t)addresses_arg_conv_12) & ~1);
+               void* addresses_arg_conv_12_ptr = (void*)(((uint64_t)addresses_arg_conv_12) & ~1);
+               CHECK_ACCESS(addresses_arg_conv_12_ptr);
+               LDKNetAddress addresses_arg_conv_12_conv = *(LDKNetAddress*)(addresses_arg_conv_12_ptr);
                addresses_arg_constr.data[m] = addresses_arg_conv_12_conv;
        }
        (*env)->ReleaseLongArrayElements(env, addresses_arg, addresses_arg_vals, 0);
@@ -28418,7 +29153,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1chann
        LDKChannelAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
-       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(((uint64_t)chain_access) & ~1);
+       void* chain_access_ptr = (void*)(((uint64_t)chain_access) & ~1);
+       CHECK_ACCESS(chain_access_ptr);
+       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(chain_access_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_AccessZ
        if (chain_access_conv.tag == LDKCOption_AccessZ_Some) {
                // Manually implement clone for Java trait instances
@@ -28439,7 +29176,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1chann
        LDKUnsignedChannelAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
-       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(((uint64_t)chain_access) & ~1);
+       void* chain_access_ptr = (void*)(((uint64_t)chain_access) & ~1);
+       CHECK_ACCESS(chain_access_ptr);
+       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(chain_access_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_AccessZ
        if (chain_access_conv.tag == LDKCOption_AccessZ_Some) {
                // Manually implement clone for Java trait instances
@@ -29015,7 +29754,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1set_1htlc_1minim
        LDKRouteHintHop this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        RouteHintHop_set_htlc_minimum_msat(&this_ptr_conv, val_conv);
 }
@@ -29034,7 +29775,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1set_1htlc_1maxim
        LDKRouteHintHop this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        RouteHintHop_set_htlc_maximum_msat(&this_ptr_conv, val_conv);
 }
@@ -29047,9 +29790,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1new(JNIEnv *e
        fees_arg_conv.inner = (void*)(fees_arg & (~1));
        fees_arg_conv.is_owned = (fees_arg & 1) || (fees_arg == 0);
        fees_arg_conv = RoutingFees_clone(&fees_arg_conv);
-       LDKCOption_u64Z htlc_minimum_msat_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)htlc_minimum_msat_arg) & ~1);
+       void* htlc_minimum_msat_arg_ptr = (void*)(((uint64_t)htlc_minimum_msat_arg) & ~1);
+       CHECK_ACCESS(htlc_minimum_msat_arg_ptr);
+       LDKCOption_u64Z htlc_minimum_msat_arg_conv = *(LDKCOption_u64Z*)(htlc_minimum_msat_arg_ptr);
        htlc_minimum_msat_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)htlc_minimum_msat_arg) & ~1));
-       LDKCOption_u64Z htlc_maximum_msat_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)htlc_maximum_msat_arg) & ~1);
+       void* htlc_maximum_msat_arg_ptr = (void*)(((uint64_t)htlc_maximum_msat_arg) & ~1);
+       CHECK_ACCESS(htlc_maximum_msat_arg_ptr);
+       LDKCOption_u64Z htlc_maximum_msat_arg_conv = *(LDKCOption_u64Z*)(htlc_maximum_msat_arg_ptr);
        htlc_maximum_msat_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -29139,12 +29886,16 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_get_1keysend_1route(JNIEnv
                last_hops_constr.data[l] = last_hops_conv_11_conv;
        }
        (*env)->ReleaseLongArrayElements(env, last_hops, last_hops_vals, 0);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
        }
-       LDKScore* scorer_conv = (LDKScore*)(((uint64_t)scorer) & ~1);
+       void* scorer_ptr = (void*)(((uint64_t)scorer) & ~1);
+       if (!(scorer & 1)) { CHECK_ACCESS(scorer_ptr); }
+       LDKScore* scorer_conv = (LDKScore*)scorer_ptr;
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = get_keysend_route(our_node_pubkey_ref, &network_conv, payee_ref, first_hops_ptr, last_hops_constr, final_value_msat, final_cltv, logger_conv, scorer_conv);
        if (first_hops_ptr != NULL) { FREE(first_hops_constr.data); }
@@ -29200,12 +29951,16 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_get_1route(JNIEnv *env, jcl
                last_hops_constr.data[l] = last_hops_conv_11_conv;
        }
        (*env)->ReleaseLongArrayElements(env, last_hops, last_hops_vals, 0);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
        }
-       LDKScore* scorer_conv = (LDKScore*)(((uint64_t)scorer) & ~1);
+       void* scorer_ptr = (void*)(((uint64_t)scorer) & ~1);
+       if (!(scorer & 1)) { CHECK_ACCESS(scorer_ptr); }
+       LDKScore* scorer_conv = (LDKScore*)scorer_ptr;
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = get_route(our_node_pubkey_ref, &network_conv, payee_ref, payee_features_conv, first_hops_ptr, last_hops_constr, final_value_msat, final_cltv, logger_conv, scorer_conv);
        if (first_hops_ptr != NULL) { FREE(first_hops_constr.data); }
@@ -29293,7 +30048,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1read_1
        LDKFilesystemPersister this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
+       void* keys_manager_ptr = (void*)(((uint64_t)keys_manager) & ~1);
+       CHECK_ACCESS(keys_manager_ptr);
+       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(keys_manager_ptr);
        if (keys_manager_conv.free == LDKKeysInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKKeysInterface_JCalls_cloned(&keys_manager_conv);
@@ -29321,18 +30078,24 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1free(JNIE
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerPersister_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKChannelManagerPersister this_ptr_conv = *(LDKChannelManagerPersister*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKChannelManagerPersister this_ptr_conv = *(LDKChannelManagerPersister*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        ChannelManagerPersister_free(this_ptr_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1start(JNIEnv *env, jclass clz, int64_t persister, int64_t event_handler, int64_t chain_monitor, int64_t channel_manager, int64_t net_graph_msg_handler, int64_t peer_manager, int64_t logger) {
-       LDKChannelManagerPersister persister_conv = *(LDKChannelManagerPersister*)(((uint64_t)persister) & ~1);
+       void* persister_ptr = (void*)(((uint64_t)persister) & ~1);
+       CHECK_ACCESS(persister_ptr);
+       LDKChannelManagerPersister persister_conv = *(LDKChannelManagerPersister*)(persister_ptr);
        if (persister_conv.free == LDKChannelManagerPersister_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKChannelManagerPersister_JCalls_cloned(&persister_conv);
        }
-       LDKEventHandler event_handler_conv = *(LDKEventHandler*)(((uint64_t)event_handler) & ~1);
+       void* event_handler_ptr = (void*)(((uint64_t)event_handler) & ~1);
+       CHECK_ACCESS(event_handler_ptr);
+       LDKEventHandler event_handler_conv = *(LDKEventHandler*)(event_handler_ptr);
        if (event_handler_conv.free == LDKEventHandler_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKEventHandler_JCalls_cloned(&event_handler_conv);
@@ -29349,7 +30112,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1start(
        LDKPeerManager peer_manager_conv;
        peer_manager_conv.inner = (void*)(peer_manager & (~1));
        peer_manager_conv.is_owned = false;
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
@@ -29883,7 +30648,9 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_MinFinalCltvExpiry_1eq(JNI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Fallback_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKFallback this_ptr_conv = *(LDKFallback*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKFallback this_ptr_conv = *(LDKFallback*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Fallback_free(this_ptr_conv);
 }
@@ -30616,7 +31383,9 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_SemanticError_1to_1str(JNIE
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKSignOrCreationError this_ptr_conv = *(LDKSignOrCreationError*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKSignOrCreationError this_ptr_conv = *(LDKSignOrCreationError*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        SignOrCreationError_free(this_ptr_conv);
 }
@@ -30663,13 +31432,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_create_1invoice_1from_1chan
        LDKChannelManager channelmanager_conv;
        channelmanager_conv.inner = (void*)(channelmanager & (~1));
        channelmanager_conv.is_owned = false;
-       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
+       void* keys_manager_ptr = (void*)(((uint64_t)keys_manager) & ~1);
+       CHECK_ACCESS(keys_manager_ptr);
+       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(keys_manager_ptr);
        if (keys_manager_conv.free == LDKKeysInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKKeysInterface_JCalls_cloned(&keys_manager_conv);
        }
        LDKCurrency network_conv = LDKCurrency_from_java(env, network);
-       LDKCOption_u64Z amt_msat_conv = *(LDKCOption_u64Z*)(((uint64_t)amt_msat) & ~1);
+       void* amt_msat_ptr = (void*)(((uint64_t)amt_msat) & ~1);
+       CHECK_ACCESS(amt_msat_ptr);
+       LDKCOption_u64Z amt_msat_conv = *(LDKCOption_u64Z*)(amt_msat_ptr);
        amt_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)amt_msat) & ~1));
        LDKStr description_conv = java_to_owned_str(env, description);
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
index c67f2147dfdcf9c433119a5af39ee7381c86622c..a13aed2912b0850d151decb4e93d8f0a483a2f5f 100644 (file)
@@ -10,6 +10,7 @@
 #define DEBUG_PRINT(...) fprintf(stderr, __VA_ARGS__)
 #define MALLOC(a, _) malloc(a)
 #define FREE(p) if ((uint64_t)(p) > 1024) { free(p); }
+#define CHECK_ACCESS(p)
 #define DO_ASSERT(a) (void)(a)
 #define CHECK(a)
 
@@ -1306,17 +1307,6 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_LDKCResult_1TxOutAccessError
        jclass err_conv = LDKAccessError_to_java(env, (*val->contents.err));
        return err_conv;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1usizeTransactionZ_1new(JNIEnv *env, jclass clz, int64_t a, int8_tArray b) {
-       LDKC2Tuple_usizeTransactionZ* ret = MALLOC(sizeof(LDKC2Tuple_usizeTransactionZ), "LDKC2Tuple_usizeTransactionZ");
-       ret->a = a;
-       LDKTransaction b_ref;
-       b_ref.datalen = (*env)->GetArrayLength(env, b);
-       b_ref.data = MALLOC(b_ref.datalen, "LDKTransaction Bytes");
-       (*env)->GetByteArrayRegion(env, b, 0, b_ref.datalen, b_ref.data);
-       b_ref.data_is_owned = false;
-       ret->b = b_ref;
-       return (uint64_t)ret;
-}
 static inline uintptr_t C2Tuple_usizeTransactionZ_get_a(LDKC2Tuple_usizeTransactionZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -1348,7 +1338,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1C2Tuple_1usizeTran
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKC2Tuple_usizeTransactionZ arr_elem_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_usizeTransactionZ arr_elem_conv = *(LDKC2Tuple_usizeTransactionZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -1430,7 +1422,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1MonitorEventZ_1new
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKMonitorEvent arr_elem_conv = *(LDKMonitorEvent*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKMonitorEvent arr_elem_conv = *(LDKMonitorEvent*)(arr_elem_ptr);
                        arr_elem_conv = MonitorEvent_clone((LDKMonitorEvent*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -1610,7 +1604,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1SpendableOutputDes
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKSpendableOutputDescriptor arr_elem_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKSpendableOutputDescriptor arr_elem_conv = *(LDKSpendableOutputDescriptor*)(arr_elem_ptr);
                        arr_elem_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -1999,7 +1995,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1MessageSendEventZ_
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKMessageSendEvent arr_elem_conv = *(LDKMessageSendEvent*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKMessageSendEvent arr_elem_conv = *(LDKMessageSendEvent*)(arr_elem_ptr);
                        arr_elem_conv = MessageSendEvent_clone((LDKMessageSendEvent*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -2171,28 +2169,6 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_LDKCResult_1NoneNoneZ_1get_1er
        CHECK(!val->result_ok);
        return *val->contents.err;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1SignatureCVec_1SignatureZZ_1new(JNIEnv *env, jclass clz, int8_tArray a, jobjectArray b) {
-       LDKC2Tuple_SignatureCVec_SignatureZZ* ret = MALLOC(sizeof(LDKC2Tuple_SignatureCVec_SignatureZZ), "LDKC2Tuple_SignatureCVec_SignatureZZ");
-       LDKSignature a_ref;
-       CHECK((*env)->GetArrayLength(env, a) == 64);
-       (*env)->GetByteArrayRegion(env, a, 0, 64, a_ref.compact_form);
-       ret->a = a_ref;
-       LDKCVec_SignatureZ b_constr;
-       b_constr.datalen = (*env)->GetArrayLength(env, b);
-       if (b_constr.datalen > 0)
-               b_constr.data = MALLOC(b_constr.datalen * sizeof(LDKSignature), "LDKCVec_SignatureZ Elements");
-       else
-               b_constr.data = NULL;
-       for (size_t i = 0; i < b_constr.datalen; i++) {
-               int8_tArray b_conv_8 = (*env)->GetObjectArrayElement(env, b, i);
-               LDKSignature b_conv_8_ref;
-               CHECK((*env)->GetArrayLength(env, b_conv_8) == 64);
-               (*env)->GetByteArrayRegion(env, b_conv_8, 0, 64, b_conv_8_ref.compact_form);
-               b_constr.data[i] = b_conv_8_ref;
-       }
-       ret->b = b_constr;
-       return (uint64_t)ret;
-}
 static inline struct LDKSignature C2Tuple_SignatureCVec_SignatureZZ_get_a(LDKC2Tuple_SignatureCVec_SignatureZZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -2358,7 +2334,9 @@ LDKCResult_NoneNoneZ validate_holder_commitment_LDKBaseSign_jcall(const void* th
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to validate_holder_commitment in LDKBaseSign from rust threw an exception.");
        }
-       LDKCResult_NoneNoneZ ret_conv = *(LDKCResult_NoneNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneNoneZ ret_conv = *(LDKCResult_NoneNoneZ*)(ret_ptr);
        ret_conv = CResult_NoneNoneZ_clone((LDKCResult_NoneNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -2413,7 +2391,9 @@ LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_counterparty_commitment_L
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to sign_counterparty_commitment in LDKBaseSign from rust threw an exception.");
        }
-       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(ret_ptr);
        ret_conv = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_clone((LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -2438,7 +2418,9 @@ LDKCResult_NoneNoneZ validate_counterparty_revocation_LDKBaseSign_jcall(const vo
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to validate_counterparty_revocation in LDKBaseSign from rust threw an exception.");
        }
-       LDKCResult_NoneNoneZ ret_conv = *(LDKCResult_NoneNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneNoneZ ret_conv = *(LDKCResult_NoneNoneZ*)(ret_ptr);
        ret_conv = CResult_NoneNoneZ_clone((LDKCResult_NoneNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -2469,7 +2451,9 @@ LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_holder_commitment_and_htl
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to sign_holder_commitment_and_htlcs in LDKBaseSign from rust threw an exception.");
        }
-       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(ret_ptr);
        ret_conv = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_clone((LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -2498,7 +2482,9 @@ LDKCResult_SignatureNoneZ sign_justice_revoked_output_LDKBaseSign_jcall(const vo
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to sign_justice_revoked_output in LDKBaseSign from rust threw an exception.");
        }
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -2535,7 +2521,9 @@ LDKCResult_SignatureNoneZ sign_justice_revoked_htlc_LDKBaseSign_jcall(const void
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to sign_justice_revoked_htlc in LDKBaseSign from rust threw an exception.");
        }
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -2572,7 +2560,9 @@ LDKCResult_SignatureNoneZ sign_counterparty_htlc_transaction_LDKBaseSign_jcall(c
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to sign_counterparty_htlc_transaction in LDKBaseSign from rust threw an exception.");
        }
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -2589,7 +2579,7 @@ LDKCResult_SignatureNoneZ sign_closing_transaction_LDKBaseSign_jcall(const void*
                DO_ASSERT(get_jenv_res == JNI_OK);
        }
        LDKClosingTransaction closing_tx_var = *closing_tx;
-       // Warning: we may need a move here but no clone is available for LDKClosingTransaction
+       closing_tx_var = ClosingTransaction_clone(closing_tx);
        CHECK((((uint64_t)closing_tx_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&closing_tx_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        uint64_t closing_tx_ref = (uint64_t)closing_tx_var.inner;
@@ -2603,7 +2593,9 @@ LDKCResult_SignatureNoneZ sign_closing_transaction_LDKBaseSign_jcall(const void*
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to sign_closing_transaction in LDKBaseSign from rust threw an exception.");
        }
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -2634,7 +2626,9 @@ LDKCResult_SignatureNoneZ sign_channel_announcement_LDKBaseSign_jcall(const void
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to sign_channel_announcement in LDKBaseSign from rust threw an exception.");
        }
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -2735,21 +2729,27 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKBaseSign_1new(JNIEnv *en
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_BaseSign_1get_1per_1commitment_1point(JNIEnv *env, jclass clz, int64_t this_arg, int64_t idx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        int8_tArray ret_arr = (*env)->NewByteArray(env, 33);
        (*env)->SetByteArrayRegion(env, ret_arr, 0, 33, (this_arg_conv->get_per_commitment_point)(this_arg_conv->this_arg, idx).compressed_form);
        return ret_arr;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_BaseSign_1release_1commitment_1secret(JNIEnv *env, jclass clz, int64_t this_arg, int64_t idx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        int8_tArray ret_arr = (*env)->NewByteArray(env, 32);
        (*env)->SetByteArrayRegion(env, ret_arr, 0, 32, (this_arg_conv->release_commitment_secret)(this_arg_conv->this_arg, idx).data);
        return ret_arr;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1validate_1holder_1commitment(JNIEnv *env, jclass clz, int64_t this_arg, int64_t holder_tx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKHolderCommitmentTransaction holder_tx_conv;
        holder_tx_conv.inner = (void*)(holder_tx & (~1));
        holder_tx_conv.is_owned = false;
@@ -2759,14 +2759,18 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1validate_1holder_
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_BaseSign_1channel_1keys_1id(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        int8_tArray ret_arr = (*env)->NewByteArray(env, 32);
        (*env)->SetByteArrayRegion(env, ret_arr, 0, 32, (this_arg_conv->channel_keys_id)(this_arg_conv->this_arg).data);
        return ret_arr;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1counterparty_1commitment(JNIEnv *env, jclass clz, int64_t this_arg, int64_t commitment_tx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKCommitmentTransaction commitment_tx_conv;
        commitment_tx_conv.inner = (void*)(commitment_tx & (~1));
        commitment_tx_conv.is_owned = false;
@@ -2776,7 +2780,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1counterpart
 }
 
 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) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        unsigned char secret_arr[32];
        CHECK((*env)->GetArrayLength(env, secret) == 32);
        (*env)->GetByteArrayRegion(env, secret, 0, 32, secret_arr);
@@ -2787,7 +2793,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1validate_1counter
 }
 
 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) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKHolderCommitmentTransaction commitment_tx_conv;
        commitment_tx_conv.inner = (void*)(commitment_tx & (~1));
        commitment_tx_conv.is_owned = false;
@@ -2797,7 +2805,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1holder_1com
 }
 
 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) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKTransaction justice_tx_ref;
        justice_tx_ref.datalen = (*env)->GetArrayLength(env, justice_tx);
        justice_tx_ref.data = MALLOC(justice_tx_ref.datalen, "LDKTransaction Bytes");
@@ -2813,7 +2823,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1justice_1re
 }
 
 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) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKTransaction justice_tx_ref;
        justice_tx_ref.datalen = (*env)->GetArrayLength(env, justice_tx);
        justice_tx_ref.data = MALLOC(justice_tx_ref.datalen, "LDKTransaction Bytes");
@@ -2832,7 +2844,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1justice_1re
 }
 
 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) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKTransaction htlc_tx_ref;
        htlc_tx_ref.datalen = (*env)->GetArrayLength(env, htlc_tx);
        htlc_tx_ref.data = MALLOC(htlc_tx_ref.datalen, "LDKTransaction Bytes");
@@ -2850,7 +2864,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1counterpart
 }
 
 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) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKClosingTransaction closing_tx_conv;
        closing_tx_conv.inner = (void*)(closing_tx & (~1));
        closing_tx_conv.is_owned = false;
@@ -2860,7 +2876,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1closing_1tr
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1channel_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKUnsignedChannelAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
@@ -2870,7 +2888,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1sign_1channel_1an
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BaseSign_1ready_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int64_t channel_parameters) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKChannelTransactionParameters channel_parameters_conv;
        channel_parameters_conv.inner = (void*)(channel_parameters & (~1));
        channel_parameters_conv.is_owned = false;
@@ -2883,7 +2903,9 @@ LDKChannelPublicKeys LDKBaseSign_set_get_pubkeys(LDKBaseSign* this_arg) {
        return this_arg->pubkeys;
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BaseSign_1get_1pubkeys(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -2985,7 +3007,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKSign_1get_1BaseSign(JNIE
        return (int64_t)(res_ptr | 1);
 }
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Sign_1write(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKSign* this_arg_conv = (LDKSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKSign* this_arg_conv = (LDKSign*)this_arg_ptr;
        LDKCVec_u8Z ret_var = (this_arg_conv->write)(this_arg_conv->this_arg);
        int8_tArray ret_arr = (*env)->NewByteArray(env, ret_var.datalen);
        (*env)->SetByteArrayRegion(env, ret_arr, 0, ret_var.datalen, ret_var.data);
@@ -3087,7 +3111,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1TxOutZ_1new(JNIEnv
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKTxOut arr_elem_conv = *(LDKTxOut*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKTxOut arr_elem_conv = *(LDKTxOut*)(arr_elem_ptr);
                        arr_elem_conv = TxOut_clone((LDKTxOut*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -3118,19 +3144,6 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_LDKCResult_1TransactionNoneZ_1
        CHECK(!val->result_ok);
        return *val->contents.err;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1BlockHashChannelMonitorZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_t b) {
-       LDKC2Tuple_BlockHashChannelMonitorZ* ret = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelMonitorZ), "LDKC2Tuple_BlockHashChannelMonitorZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK((*env)->GetArrayLength(env, a) == 32);
-       (*env)->GetByteArrayRegion(env, a, 0, 32, a_ref.data);
-       ret->a = a_ref;
-       LDKChannelMonitor b_conv;
-       b_conv.inner = (void*)(b & (~1));
-       b_conv.is_owned = (b & 1) || (b == 0);
-       b_conv = ChannelMonitor_clone(&b_conv);
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_BlockHashChannelMonitorZ_get_a(LDKC2Tuple_BlockHashChannelMonitorZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -3166,7 +3179,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1C2Tuple_1BlockHash
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKC2Tuple_BlockHashChannelMonitorZ arr_elem_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_BlockHashChannelMonitorZ arr_elem_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_BlockHashChannelMonitorZ_clone((LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -3358,7 +3373,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1CResult_1NoneAPIEr
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKCResult_NoneAPIErrorZ arr_elem_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKCResult_NoneAPIErrorZ arr_elem_conv = *(LDKCResult_NoneAPIErrorZ*)(arr_elem_ptr);
                        arr_elem_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -3383,7 +3400,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1APIErrorZ_1new(JNI
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKAPIError arr_elem_conv = *(LDKAPIError*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKAPIError arr_elem_conv = *(LDKAPIError*)(arr_elem_ptr);
                        arr_elem_conv = APIError_clone((LDKAPIError*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -3523,19 +3542,6 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCResult_1NonePaymentSend
        uint64_t err_ref = ((uint64_t)&(*val->contents.err)) | 1;
        return err_ref;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1PaymentHashPaymentIdZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_t b) {
-       LDKC2Tuple_PaymentHashPaymentIdZ* ret = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentIdZ), "LDKC2Tuple_PaymentHashPaymentIdZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK((*env)->GetArrayLength(env, a) == 32);
-       (*env)->GetByteArrayRegion(env, a, 0, 32, a_ref.data);
-       ret->a = a_ref;
-       LDKPaymentId b_conv;
-       b_conv.inner = (void*)(b & (~1));
-       b_conv.is_owned = (b & 1) || (b == 0);
-       b_conv = PaymentId_clone(&b_conv);
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_PaymentHashPaymentIdZ_get_a(LDKC2Tuple_PaymentHashPaymentIdZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -3644,7 +3650,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1NetAddressZ_1new(J
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKNetAddress arr_elem_conv = *(LDKNetAddress*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKNetAddress arr_elem_conv = *(LDKNetAddress*)(arr_elem_ptr);
                        arr_elem_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -3659,18 +3667,6 @@ static inline LDKCVec_NetAddressZ CVec_NetAddressZ_clone(const LDKCVec_NetAddres
        }
        return ret;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1PaymentHashPaymentSecretZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int8_tArray b) {
-       LDKC2Tuple_PaymentHashPaymentSecretZ* ret = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentSecretZ), "LDKC2Tuple_PaymentHashPaymentSecretZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK((*env)->GetArrayLength(env, a) == 32);
-       (*env)->GetByteArrayRegion(env, a, 0, 32, a_ref.data);
-       ret->a = a_ref;
-       LDKThirtyTwoBytes b_ref;
-       CHECK((*env)->GetArrayLength(env, b) == 32);
-       (*env)->GetByteArrayRegion(env, b, 0, 32, b_ref.data);
-       ret->b = b_ref;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_PaymentHashPaymentSecretZ_get_a(LDKC2Tuple_PaymentHashPaymentSecretZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -3789,7 +3785,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ watch_channel_LDKWatch_jcall(const void*
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to watch_channel in LDKWatch from rust threw an exception.");
        }
-       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(ret_ptr);
        ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone((LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -3826,7 +3824,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_channel_LDKWatch_jcall(const void
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to update_channel in LDKWatch from rust threw an exception.");
        }
-       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(ret_ptr);
        ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone((LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -3858,7 +3858,9 @@ LDKCVec_MonitorEventZ release_pending_monitor_events_LDKWatch_jcall(const void*
        int64_t* ret_vals = (*env)->GetLongArrayElements (env, ret, NULL);
        for (size_t o = 0; o < ret_constr.datalen; o++) {
                int64_t ret_conv_14 = ret_vals[o];
-               LDKMonitorEvent ret_conv_14_conv = *(LDKMonitorEvent*)(((uint64_t)ret_conv_14) & ~1);
+               void* ret_conv_14_ptr = (void*)(((uint64_t)ret_conv_14) & ~1);
+               CHECK_ACCESS(ret_conv_14_ptr);
+               LDKMonitorEvent ret_conv_14_conv = *(LDKMonitorEvent*)(ret_conv_14_ptr);
                ret_conv_14_conv = MonitorEvent_clone((LDKMonitorEvent*)(((uint64_t)ret_conv_14) & ~1));
                ret_constr.data[o] = ret_conv_14_conv;
        }
@@ -3901,7 +3903,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKWatch_1new(JNIEnv *env,
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Watch_1watch_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int64_t funding_txo, int64_t monitor) {
-       LDKWatch* this_arg_conv = (LDKWatch*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKWatch* this_arg_conv = (LDKWatch*)this_arg_ptr;
        LDKOutPoint funding_txo_conv;
        funding_txo_conv.inner = (void*)(funding_txo & (~1));
        funding_txo_conv.is_owned = (funding_txo & 1) || (funding_txo == 0);
@@ -3916,7 +3920,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Watch_1watch_1channel(JNIEn
 }
 
 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) {
-       LDKWatch* this_arg_conv = (LDKWatch*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKWatch* this_arg_conv = (LDKWatch*)this_arg_ptr;
        LDKOutPoint funding_txo_conv;
        funding_txo_conv.inner = (void*)(funding_txo & (~1));
        funding_txo_conv.is_owned = (funding_txo & 1) || (funding_txo == 0);
@@ -3931,13 +3937,15 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Watch_1update_1channel(JNIE
 }
 
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_Watch_1release_1pending_1monitor_1events(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKWatch* this_arg_conv = (LDKWatch*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKWatch* this_arg_conv = (LDKWatch*)this_arg_ptr;
        LDKCVec_MonitorEventZ ret_var = (this_arg_conv->release_pending_monitor_events)(this_arg_conv->this_arg);
        int64_tArray ret_arr = (*env)->NewLongArray(env, ret_var.datalen);
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKMonitorEvent *ret_conv_14_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
-               *ret_conv_14_copy = MonitorEvent_clone(&ret_var.data[o]);
+               *ret_conv_14_copy = ret_var.data[o];
                uint64_t ret_conv_14_ref = (uint64_t)ret_conv_14_copy;
                ret_arr_ptr[o] = ret_conv_14_ref;
        }
@@ -4020,7 +4028,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKBroadcasterInterface_1ne
        return (uint64_t)res_ptr;
 }
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BroadcasterInterface_1broadcast_1transaction(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray tx) {
-       LDKBroadcasterInterface* this_arg_conv = (LDKBroadcasterInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBroadcasterInterface* this_arg_conv = (LDKBroadcasterInterface*)this_arg_ptr;
        LDKTransaction tx_ref;
        tx_ref.datalen = (*env)->GetArrayLength(env, tx);
        tx_ref.data = MALLOC(tx_ref.datalen, "LDKTransaction Bytes");
@@ -4148,7 +4158,9 @@ LDKSign get_channel_signer_LDKKeysInterface_jcall(const void* this_arg, bool inb
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to get_channel_signer in LDKKeysInterface from rust threw an exception.");
        }
-       LDKSign ret_conv = *(LDKSign*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKSign ret_conv = *(LDKSign*)(ret_ptr);
        ret_conv = Sign_clone(&ret_conv);
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -4198,7 +4210,9 @@ LDKCResult_SignDecodeErrorZ read_chan_signer_LDKKeysInterface_jcall(const void*
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to read_chan_signer in LDKKeysInterface from rust threw an exception.");
        }
-       LDKCResult_SignDecodeErrorZ ret_conv = *(LDKCResult_SignDecodeErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignDecodeErrorZ ret_conv = *(LDKCResult_SignDecodeErrorZ*)(ret_ptr);
        ret_conv = CResult_SignDecodeErrorZ_clone((LDKCResult_SignDecodeErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -4225,7 +4239,9 @@ LDKCResult_RecoverableSignatureNoneZ sign_invoice_LDKKeysInterface_jcall(const v
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to sign_invoice in LDKKeysInterface from rust threw an exception.");
        }
-       LDKCResult_RecoverableSignatureNoneZ ret_conv = *(LDKCResult_RecoverableSignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_RecoverableSignatureNoneZ ret_conv = *(LDKCResult_RecoverableSignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_RecoverableSignatureNoneZ_clone((LDKCResult_RecoverableSignatureNoneZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -4277,14 +4293,18 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKKeysInterface_1new(JNIEn
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1node_1secret(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        int8_tArray ret_arr = (*env)->NewByteArray(env, 32);
        (*env)->SetByteArrayRegion(env, ret_arr, 0, 32, (this_arg_conv->get_node_secret)(this_arg_conv->this_arg).bytes);
        return ret_arr;
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1destination_1script(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        LDKCVec_u8Z ret_var = (this_arg_conv->get_destination_script)(this_arg_conv->this_arg);
        int8_tArray ret_arr = (*env)->NewByteArray(env, ret_var.datalen);
        (*env)->SetByteArrayRegion(env, ret_arr, 0, ret_var.datalen, ret_var.data);
@@ -4293,7 +4313,9 @@ JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1des
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1shutdown_1scriptpubkey(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -4305,21 +4327,27 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1shutdow
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1get_1channel_1signer(JNIEnv *env, jclass clz, int64_t this_arg, jboolean inbound, int64_t channel_value_satoshis) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       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 (uint64_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) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        int8_tArray ret_arr = (*env)->NewByteArray(env, 32);
        (*env)->SetByteArrayRegion(env, ret_arr, 0, 32, (this_arg_conv->get_secure_random_bytes)(this_arg_conv->this_arg).data);
        return ret_arr;
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1read_1chan_1signer(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray reader) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        LDKu8slice reader_ref;
        reader_ref.datalen = (*env)->GetArrayLength(env, reader);
        reader_ref.data = (*env)->GetByteArrayElements (env, reader, NULL);
@@ -4330,7 +4358,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1read_1chan_1
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysInterface_1sign_1invoice(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray invoice_preimage) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        LDKCVec_u8Z invoice_preimage_ref;
        invoice_preimage_ref.datalen = (*env)->GetArrayLength(env, invoice_preimage);
        invoice_preimage_ref.data = MALLOC(invoice_preimage_ref.datalen, "LDKCVec_u8Z Bytes");
@@ -4412,7 +4442,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKFeeEstimator_1new(JNIEnv
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int32_t JNICALL Java_org_ldk_impl_bindings_FeeEstimator_1get_1est_1sat_1per_11000_1weight(JNIEnv *env, jclass clz, int64_t this_arg, jclass confirmation_target) {
-       LDKFeeEstimator* this_arg_conv = (LDKFeeEstimator*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKFeeEstimator* this_arg_conv = (LDKFeeEstimator*)this_arg_ptr;
        LDKConfirmationTarget confirmation_target_conv = LDKConfirmationTarget_from_java(env, confirmation_target);
        int32_t ret_val = (this_arg_conv->get_est_sat_per_1000_weight)(this_arg_conv->this_arg, confirmation_target_conv);
        return ret_val;
@@ -4489,19 +4521,6 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKLogger_1new(JNIEnv *env,
        *res_ptr = LDKLogger_init(env, clz, o);
        return (uint64_t)res_ptr;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1BlockHashChannelManagerZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_t b) {
-       LDKC2Tuple_BlockHashChannelManagerZ* ret = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelManagerZ), "LDKC2Tuple_BlockHashChannelManagerZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK((*env)->GetArrayLength(env, a) == 32);
-       (*env)->GetByteArrayRegion(env, a, 0, 32, a_ref.data);
-       ret->a = a_ref;
-       LDKChannelManager b_conv;
-       b_conv.inner = (void*)(b & (~1));
-       b_conv.is_owned = (b & 1) || (b == 0);
-       // Warning: we need a move here but no clone is available for LDKChannelManager
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_BlockHashChannelManagerZ_get_a(LDKC2Tuple_BlockHashChannelManagerZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -4530,8 +4549,7 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_LDKCResult_1C2Tuple_1Block
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCResult_1C2Tuple_1BlockHashChannelManagerZDecodeErrorZ_1get_1ok(JNIEnv *env, jclass clz, int64_t arg) {
        LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ *val = (LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ*)(arg & ~1);
        CHECK(val->result_ok);
-       LDKC2Tuple_BlockHashChannelManagerZ* res_conv = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelManagerZ), "LDKC2Tuple_BlockHashChannelManagerZ");
-       *res_conv = (*val->contents.result);
+       LDKC2Tuple_BlockHashChannelManagerZ* res_conv = &(*val->contents.result);
        // Warning: we really need to clone here, but no clone is available for LDKC2Tuple_BlockHashChannelManagerZ
        return ((uint64_t)res_conv) | 1;
 }
@@ -4713,13 +4731,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKType_1new(JNIEnv *env, j
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int16_t JNICALL Java_org_ldk_impl_bindings_Type_1type_1id(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKType* this_arg_conv = (LDKType*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKType* this_arg_conv = (LDKType*)this_arg_ptr;
        int16_t ret_val = (this_arg_conv->type_id)(this_arg_conv->this_arg);
        return ret_val;
 }
 
 JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_Type_1debug_1str(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKType* this_arg_conv = (LDKType*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKType* this_arg_conv = (LDKType*)this_arg_ptr;
        LDKStr ret_str = (this_arg_conv->debug_str)(this_arg_conv->this_arg);
        jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
        Str_free(ret_str);
@@ -4727,7 +4749,9 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_Type_1debug_1str(JNIEnv *en
 }
 
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Type_1write(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKType* this_arg_conv = (LDKType*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKType* this_arg_conv = (LDKType*)this_arg_ptr;
        LDKCVec_u8Z ret_var = (this_arg_conv->write)(this_arg_conv->this_arg);
        int8_tArray ret_arr = (*env)->NewByteArray(env, ret_var.datalen);
        (*env)->SetByteArrayRegion(env, ret_arr, 0, ret_var.datalen, ret_var.data);
@@ -4831,24 +4855,6 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_LDKCResult_1SignedRawInvoiceNo
        CHECK(!val->result_ok);
        return *val->contents.err;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC3Tuple_1RawInvoice_1u832InvoiceSignatureZ_1new(JNIEnv *env, jclass clz, int64_t a, int8_tArray b, int64_t c) {
-       LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* ret = MALLOC(sizeof(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ), "LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ");
-       LDKRawInvoice a_conv;
-       a_conv.inner = (void*)(a & (~1));
-       a_conv.is_owned = (a & 1) || (a == 0);
-       a_conv = RawInvoice_clone(&a_conv);
-       ret->a = a_conv;
-       LDKThirtyTwoBytes b_ref;
-       CHECK((*env)->GetArrayLength(env, b) == 32);
-       (*env)->GetByteArrayRegion(env, b, 0, 32, b_ref.data);
-       ret->b = b_ref;
-       LDKInvoiceSignature c_conv;
-       c_conv.inner = (void*)(c & (~1));
-       c_conv.is_owned = (c & 1) || (c == 0);
-       c_conv = InvoiceSignature_clone(&c_conv);
-       ret->c = c_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKRawInvoice C3Tuple_RawInvoice_u832InvoiceSignatureZ_get_a(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ *NONNULL_PTR tuple){
        return RawInvoice_clone(&tuple->a);
 }
@@ -5113,20 +5119,6 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCResult_1NoneMonitorUpda
        uint64_t err_ref = (uint64_t)err_var.inner & ~1;
        return err_ref;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1OutPointScriptZ_1new(JNIEnv *env, jclass clz, int64_t a, int8_tArray b) {
-       LDKC2Tuple_OutPointScriptZ* ret = MALLOC(sizeof(LDKC2Tuple_OutPointScriptZ), "LDKC2Tuple_OutPointScriptZ");
-       LDKOutPoint a_conv;
-       a_conv.inner = (void*)(a & (~1));
-       a_conv.is_owned = (a & 1) || (a == 0);
-       a_conv = OutPoint_clone(&a_conv);
-       ret->a = a_conv;
-       LDKCVec_u8Z b_ref;
-       b_ref.datalen = (*env)->GetArrayLength(env, b);
-       b_ref.data = MALLOC(b_ref.datalen, "LDKCVec_u8Z Bytes");
-       (*env)->GetByteArrayRegion(env, b, 0, b_ref.datalen, b_ref.data);
-       ret->b = b_ref;
-       return (uint64_t)ret;
-}
 static inline struct LDKOutPoint C2Tuple_OutPointScriptZ_get_a(LDKC2Tuple_OutPointScriptZ *NONNULL_PTR tuple){
        return OutPoint_clone(&tuple->a);
 }
@@ -5154,16 +5146,6 @@ JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScript
        return ret_arr;
 }
 
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1u32ScriptZ_1new(JNIEnv *env, jclass clz, int32_t a, int8_tArray b) {
-       LDKC2Tuple_u32ScriptZ* ret = MALLOC(sizeof(LDKC2Tuple_u32ScriptZ), "LDKC2Tuple_u32ScriptZ");
-       ret->a = a;
-       LDKCVec_u8Z b_ref;
-       b_ref.datalen = (*env)->GetArrayLength(env, b);
-       b_ref.data = MALLOC(b_ref.datalen, "LDKCVec_u8Z Bytes");
-       (*env)->GetByteArrayRegion(env, b, 0, b_ref.datalen, b_ref.data);
-       ret->b = b_ref;
-       return (uint64_t)ret;
-}
 static inline uint32_t C2Tuple_u32ScriptZ_get_a(LDKC2Tuple_u32ScriptZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -5195,7 +5177,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1C2Tuple_1u32Script
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKC2Tuple_u32ScriptZ arr_elem_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_u32ScriptZ arr_elem_conv = *(LDKC2Tuple_u32ScriptZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_u32ScriptZ_clone((LDKC2Tuple_u32ScriptZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -5210,29 +5194,6 @@ static inline LDKCVec_C2Tuple_u32ScriptZZ CVec_C2Tuple_u32ScriptZZ_clone(const L
        }
        return ret;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1TxidCVec_1C2Tuple_1u32ScriptZZZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_tArray b) {
-       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ* ret = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK((*env)->GetArrayLength(env, a) == 32);
-       (*env)->GetByteArrayRegion(env, a, 0, 32, a_ref.data);
-       ret->a = a_ref;
-       LDKCVec_C2Tuple_u32ScriptZZ b_constr;
-       b_constr.datalen = (*env)->GetArrayLength(env, b);
-       if (b_constr.datalen > 0)
-               b_constr.data = MALLOC(b_constr.datalen * sizeof(LDKC2Tuple_u32ScriptZ), "LDKCVec_C2Tuple_u32ScriptZZ Elements");
-       else
-               b_constr.data = NULL;
-       int64_t* b_vals = (*env)->GetLongArrayElements (env, b, NULL);
-       for (size_t v = 0; v < b_constr.datalen; v++) {
-               int64_t b_conv_21 = b_vals[v];
-               LDKC2Tuple_u32ScriptZ b_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)b_conv_21) & ~1);
-               b_conv_21_conv = C2Tuple_u32ScriptZ_clone((LDKC2Tuple_u32ScriptZ*)(((uint64_t)b_conv_21) & ~1));
-               b_constr.data[v] = b_conv_21_conv;
-       }
-       (*env)->ReleaseLongArrayElements(env, b, b_vals, 0);
-       ret->b = b_constr;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_get_a(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -5271,7 +5232,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1C2Tuple_1TxidCVec_
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ arr_elem_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ arr_elem_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_clone((LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -5554,7 +5517,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1EventZ_1new(JNIEnv
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKEvent arr_elem_conv = *(LDKEvent*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKEvent arr_elem_conv = *(LDKEvent*)(arr_elem_ptr);
                        arr_elem_conv = Event_clone((LDKEvent*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -5569,14 +5534,6 @@ static inline LDKCVec_EventZ CVec_EventZ_clone(const LDKCVec_EventZ *orig) {
        }
        return ret;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1u32TxOutZ_1new(JNIEnv *env, jclass clz, int32_t a, int64_t b) {
-       LDKC2Tuple_u32TxOutZ* ret = MALLOC(sizeof(LDKC2Tuple_u32TxOutZ), "LDKC2Tuple_u32TxOutZ");
-       ret->a = a;
-       LDKTxOut b_conv = *(LDKTxOut*)(((uint64_t)b) & ~1);
-       b_conv = TxOut_clone((LDKTxOut*)(((uint64_t)b) & ~1));
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline uint32_t C2Tuple_u32TxOutZ_get_a(LDKC2Tuple_u32TxOutZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -5606,7 +5563,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1C2Tuple_1u32TxOutZ
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKC2Tuple_u32TxOutZ arr_elem_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_u32TxOutZ arr_elem_conv = *(LDKC2Tuple_u32TxOutZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_u32TxOutZ_clone((LDKC2Tuple_u32TxOutZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -5621,29 +5580,6 @@ static inline LDKCVec_C2Tuple_u32TxOutZZ CVec_C2Tuple_u32TxOutZZ_clone(const LDK
        }
        return ret;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1TxidCVec_1C2Tuple_1u32TxOutZZZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_tArray b) {
-       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* ret = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK((*env)->GetArrayLength(env, a) == 32);
-       (*env)->GetByteArrayRegion(env, a, 0, 32, a_ref.data);
-       ret->a = a_ref;
-       LDKCVec_C2Tuple_u32TxOutZZ b_constr;
-       b_constr.datalen = (*env)->GetArrayLength(env, b);
-       if (b_constr.datalen > 0)
-               b_constr.data = MALLOC(b_constr.datalen * sizeof(LDKC2Tuple_u32TxOutZ), "LDKCVec_C2Tuple_u32TxOutZZ Elements");
-       else
-               b_constr.data = NULL;
-       int64_t* b_vals = (*env)->GetLongArrayElements (env, b, NULL);
-       for (size_t u = 0; u < b_constr.datalen; u++) {
-               int64_t b_conv_20 = b_vals[u];
-               LDKC2Tuple_u32TxOutZ b_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)b_conv_20) & ~1);
-               b_conv_20_conv = C2Tuple_u32TxOutZ_clone((LDKC2Tuple_u32TxOutZ*)(((uint64_t)b_conv_20) & ~1));
-               b_constr.data[u] = b_conv_20_conv;
-       }
-       (*env)->ReleaseLongArrayElements(env, b, b_vals, 0);
-       ret->b = b_constr;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_get_a(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -5682,7 +5618,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1C2Tuple_1TxidCVec_
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ arr_elem_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ arr_elem_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_clone((LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -5755,7 +5693,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1BalanceZ_1new(JNIE
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKBalance arr_elem_conv = *(LDKBalance*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKBalance arr_elem_conv = *(LDKBalance*)(arr_elem_ptr);
                        arr_elem_conv = Balance_clone((LDKBalance*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -5807,17 +5747,6 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCResult_1NoneLightningEr
        uint64_t err_ref = (uint64_t)err_var.inner & ~1;
        return err_ref;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1PublicKeyTypeZ_1new(JNIEnv *env, jclass clz, int8_tArray a, int64_t b) {
-       LDKC2Tuple_PublicKeyTypeZ* ret = MALLOC(sizeof(LDKC2Tuple_PublicKeyTypeZ), "LDKC2Tuple_PublicKeyTypeZ");
-       LDKPublicKey a_ref;
-       CHECK((*env)->GetArrayLength(env, a) == 33);
-       (*env)->GetByteArrayRegion(env, a, 0, 33, a_ref.compressed_form);
-       ret->a = a_ref;
-       LDKType b_conv = *(LDKType*)(((uint64_t)b) & ~1);
-       b_conv = Type_clone(&b_conv);
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKPublicKey C2Tuple_PublicKeyTypeZ_get_a(LDKC2Tuple_PublicKeyTypeZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -5848,7 +5777,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1C2Tuple_1PublicKey
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKC2Tuple_PublicKeyTypeZ arr_elem_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_PublicKeyTypeZ arr_elem_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_PublicKeyTypeZ_clone((LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -5880,25 +5811,6 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCResult_1boolLightningEr
        uint64_t err_ref = (uint64_t)err_var.inner & ~1;
        return err_ref;
 }
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKC3Tuple_1ChannelAnnouncementChannelUpdateChannelUpdateZ_1new(JNIEnv *env, jclass clz, int64_t a, int64_t b, int64_t c) {
-       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* ret = MALLOC(sizeof(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ), "LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ");
-       LDKChannelAnnouncement a_conv;
-       a_conv.inner = (void*)(a & (~1));
-       a_conv.is_owned = (a & 1) || (a == 0);
-       a_conv = ChannelAnnouncement_clone(&a_conv);
-       ret->a = a_conv;
-       LDKChannelUpdate b_conv;
-       b_conv.inner = (void*)(b & (~1));
-       b_conv.is_owned = (b & 1) || (b == 0);
-       b_conv = ChannelUpdate_clone(&b_conv);
-       ret->b = b_conv;
-       LDKChannelUpdate c_conv;
-       c_conv.inner = (void*)(c & (~1));
-       c_conv.is_owned = (c & 1) || (c == 0);
-       c_conv = ChannelUpdate_clone(&c_conv);
-       ret->c = c_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKChannelAnnouncement C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_a(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ *NONNULL_PTR tuple){
        return ChannelAnnouncement_clone(&tuple->a);
 }
@@ -5954,7 +5866,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCVec_1C3Tuple_1ChannelAn
                int64_t *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);
                for (size_t i = 0; i < ret->datalen; i++) {
                        int64_t arr_elem = java_elems[i];
-                       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ arr_elem_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ arr_elem_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(arr_elem_ptr);
                        arr_elem_conv = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_clone((LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -6112,7 +6026,9 @@ LDKCResult_TxOutAccessErrorZ get_utxo_LDKAccess_jcall(const void* this_arg, cons
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to get_utxo in LDKAccess from rust threw an exception.");
        }
-       LDKCResult_TxOutAccessErrorZ ret_conv = *(LDKCResult_TxOutAccessErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_TxOutAccessErrorZ ret_conv = *(LDKCResult_TxOutAccessErrorZ*)(ret_ptr);
        ret_conv = CResult_TxOutAccessErrorZ_clone((LDKCResult_TxOutAccessErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -6146,7 +6062,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKAccess_1new(JNIEnv *env,
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Access_1get_1utxo(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray genesis_hash, int64_t short_channel_id) {
-       LDKAccess* this_arg_conv = (LDKAccess*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKAccess* this_arg_conv = (LDKAccess*)this_arg_ptr;
        unsigned char genesis_hash_arr[32];
        CHECK((*env)->GetArrayLength(env, genesis_hash) == 32);
        (*env)->GetByteArrayRegion(env, genesis_hash, 0, 32, genesis_hash_arr);
@@ -7324,7 +7242,9 @@ LDKCOption_C2Tuple_usizeTransactionZZ register_output_LDKFilter_jcall(const void
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to register_output in LDKFilter from rust threw an exception.");
        }
-       LDKCOption_C2Tuple_usizeTransactionZZ ret_conv = *(LDKCOption_C2Tuple_usizeTransactionZZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCOption_C2Tuple_usizeTransactionZZ ret_conv = *(LDKCOption_C2Tuple_usizeTransactionZZ*)(ret_ptr);
        ret_conv = COption_C2Tuple_usizeTransactionZZ_clone((LDKCOption_C2Tuple_usizeTransactionZZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -7361,7 +7281,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKFilter_1new(JNIEnv *env,
        return (uint64_t)res_ptr;
 }
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Filter_1register_1tx(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray txid, int8_tArray script_pubkey) {
-       LDKFilter* this_arg_conv = (LDKFilter*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKFilter* this_arg_conv = (LDKFilter*)this_arg_ptr;
        unsigned char txid_arr[32];
        CHECK((*env)->GetArrayLength(env, txid) == 32);
        (*env)->GetByteArrayRegion(env, txid, 0, 32, txid_arr);
@@ -7374,7 +7296,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Filter_1register_1tx(JNIEnv *e
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Filter_1register_1output(JNIEnv *env, jclass clz, int64_t this_arg, int64_t output) {
-       LDKFilter* this_arg_conv = (LDKFilter*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKFilter* this_arg_conv = (LDKFilter*)this_arg_ptr;
        LDKWatchedOutput output_conv;
        output_conv.inner = (void*)(output & (~1));
        output_conv.is_owned = (output & 1) || (output == 0);
@@ -7512,7 +7436,9 @@ LDKCVec_MessageSendEventZ get_and_clear_pending_msg_events_LDKMessageSendEventsP
        int64_t* ret_vals = (*env)->GetLongArrayElements (env, ret, NULL);
        for (size_t s = 0; s < ret_constr.datalen; s++) {
                int64_t ret_conv_18 = ret_vals[s];
-               LDKMessageSendEvent ret_conv_18_conv = *(LDKMessageSendEvent*)(((uint64_t)ret_conv_18) & ~1);
+               void* ret_conv_18_ptr = (void*)(((uint64_t)ret_conv_18) & ~1);
+               CHECK_ACCESS(ret_conv_18_ptr);
+               LDKMessageSendEvent ret_conv_18_conv = *(LDKMessageSendEvent*)(ret_conv_18_ptr);
                ret_conv_18_conv = MessageSendEvent_clone((LDKMessageSendEvent*)(((uint64_t)ret_conv_18) & ~1));
                ret_constr.data[s] = ret_conv_18_conv;
        }
@@ -7549,13 +7475,15 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKMessageSendEventsProvide
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_MessageSendEventsProvider_1get_1and_1clear_1pending_1msg_1events(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKMessageSendEventsProvider* this_arg_conv = (LDKMessageSendEventsProvider*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKMessageSendEventsProvider* this_arg_conv = (LDKMessageSendEventsProvider*)this_arg_ptr;
        LDKCVec_MessageSendEventZ ret_var = (this_arg_conv->get_and_clear_pending_msg_events)(this_arg_conv->this_arg);
        int64_tArray ret_arr = (*env)->NewLongArray(env, ret_var.datalen);
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t s = 0; s < ret_var.datalen; s++) {
                LDKMessageSendEvent *ret_conv_18_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
-               *ret_conv_18_copy = MessageSendEvent_clone(&ret_var.data[s]);
+               *ret_conv_18_copy = ret_var.data[s];
                uint64_t ret_conv_18_ref = (uint64_t)ret_conv_18_copy;
                ret_arr_ptr[s] = ret_conv_18_ref;
        }
@@ -7636,7 +7564,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKEventHandler_1new(JNIEnv
        return (uint64_t)res_ptr;
 }
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_EventHandler_1handle_1event(JNIEnv *env, jclass clz, int64_t this_arg, int64_t event) {
-       LDKEventHandler* this_arg_conv = (LDKEventHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKEventHandler* this_arg_conv = (LDKEventHandler*)this_arg_ptr;
        LDKEvent* event_conv = (LDKEvent*)event;
        (this_arg_conv->handle_event)(this_arg_conv->this_arg, event_conv);
 }
@@ -7713,8 +7643,12 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKEventsProvider_1new(JNIE
        return (uint64_t)res_ptr;
 }
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_EventsProvider_1process_1pending_1events(JNIEnv *env, jclass clz, int64_t this_arg, int64_t handler) {
-       LDKEventsProvider* this_arg_conv = (LDKEventsProvider*)(((uint64_t)this_arg) & ~1);
-       LDKEventHandler handler_conv = *(LDKEventHandler*)(((uint64_t)handler) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKEventsProvider* this_arg_conv = (LDKEventsProvider*)this_arg_ptr;
+       void* handler_ptr = (void*)(((uint64_t)handler) & ~1);
+       CHECK_ACCESS(handler_ptr);
+       LDKEventHandler handler_conv = *(LDKEventHandler*)(handler_ptr);
        if (handler_conv.free == LDKEventHandler_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKEventHandler_JCalls_cloned(&handler_conv);
@@ -7821,7 +7755,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKListen_1new(JNIEnv *env,
        return (uint64_t)res_ptr;
 }
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Listen_1block_1connected(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray block, int32_t height) {
-       LDKListen* this_arg_conv = (LDKListen*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKListen* this_arg_conv = (LDKListen*)this_arg_ptr;
        LDKu8slice block_ref;
        block_ref.datalen = (*env)->GetArrayLength(env, block);
        block_ref.data = (*env)->GetByteArrayElements (env, block, NULL);
@@ -7830,7 +7766,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Listen_1block_1connected(JNIEn
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Listen_1block_1disconnected(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray header, int32_t height) {
-       LDKListen* this_arg_conv = (LDKListen*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKListen* this_arg_conv = (LDKListen*)this_arg_ptr;
        unsigned char header_arr[80];
        CHECK((*env)->GetArrayLength(env, header) == 80);
        (*env)->GetByteArrayRegion(env, header, 0, 80, header_arr);
@@ -8010,7 +7948,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKConfirm_1new(JNIEnv *env
        return (uint64_t)res_ptr;
 }
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Confirm_1transactions_1confirmed(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray header, int64_tArray txdata, int32_t height) {
-       LDKConfirm* this_arg_conv = (LDKConfirm*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKConfirm* this_arg_conv = (LDKConfirm*)this_arg_ptr;
        unsigned char header_arr[80];
        CHECK((*env)->GetArrayLength(env, header) == 80);
        (*env)->GetByteArrayRegion(env, header, 0, 80, header_arr);
@@ -8024,7 +7964,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Confirm_1transactions_1confirm
        int64_t* txdata_vals = (*env)->GetLongArrayElements (env, txdata, NULL);
        for (size_t c = 0; c < txdata_constr.datalen; c++) {
                int64_t txdata_conv_28 = txdata_vals[c];
-               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1);
+               void* txdata_conv_28_ptr = (void*)(((uint64_t)txdata_conv_28) & ~1);
+               CHECK_ACCESS(txdata_conv_28_ptr);
+               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(txdata_conv_28_ptr);
                txdata_conv_28_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1));
                txdata_constr.data[c] = txdata_conv_28_conv;
        }
@@ -8033,7 +7975,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Confirm_1transactions_1confirm
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Confirm_1transaction_1unconfirmed(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray txid) {
-       LDKConfirm* this_arg_conv = (LDKConfirm*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKConfirm* this_arg_conv = (LDKConfirm*)this_arg_ptr;
        unsigned char txid_arr[32];
        CHECK((*env)->GetArrayLength(env, txid) == 32);
        (*env)->GetByteArrayRegion(env, txid, 0, 32, txid_arr);
@@ -8042,7 +7986,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Confirm_1transaction_1unconfir
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Confirm_1best_1block_1updated(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray header, int32_t height) {
-       LDKConfirm* this_arg_conv = (LDKConfirm*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKConfirm* this_arg_conv = (LDKConfirm*)this_arg_ptr;
        unsigned char header_arr[80];
        CHECK((*env)->GetArrayLength(env, header) == 80);
        (*env)->GetByteArrayRegion(env, header, 0, 80, header_arr);
@@ -8051,7 +7997,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Confirm_1best_1block_1updated(
 }
 
 JNIEXPORT jobjectArray JNICALL Java_org_ldk_impl_bindings_Confirm_1get_1relevant_1txids(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKConfirm* this_arg_conv = (LDKConfirm*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKConfirm* this_arg_conv = (LDKConfirm*)this_arg_ptr;
        LDKCVec_TxidZ ret_var = (this_arg_conv->get_relevant_txids)(this_arg_conv->this_arg);
        jobjectArray ret_arr = (*env)->NewObjectArray(env, ret_var.datalen, arr_of_B_clz, NULL);
        ;
@@ -8119,7 +8067,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ persist_new_channel_LDKPersist_jcall(con
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to persist_new_channel in LDKPersist from rust threw an exception.");
        }
-       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(ret_ptr);
        ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone((LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -8165,7 +8115,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_persisted_channel_LDKPersist_jcal
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to update_persisted_channel in LDKPersist from rust threw an exception.");
        }
-       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(ret_ptr);
        ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone((LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -8202,7 +8154,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKPersist_1new(JNIEnv *env
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Persist_1persist_1new_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int64_t id, int64_t data) {
-       LDKPersist* this_arg_conv = (LDKPersist*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKPersist* this_arg_conv = (LDKPersist*)this_arg_ptr;
        LDKOutPoint id_conv;
        id_conv.inner = (void*)(id & (~1));
        id_conv.is_owned = (id & 1) || (id == 0);
@@ -8216,7 +8170,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Persist_1persist_1new_1chan
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Persist_1update_1persisted_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int64_t id, int64_t update, int64_t data) {
-       LDKPersist* this_arg_conv = (LDKPersist*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKPersist* this_arg_conv = (LDKPersist*)this_arg_ptr;
        LDKOutPoint id_conv;
        id_conv.inner = (void*)(id & (~1));
        id_conv.is_owned = (id & 1) || (id == 0);
@@ -8982,7 +8938,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKChannelMessageHandler_1g
        return (int64_t)(res_ptr | 1);
 }
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1open_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t their_features, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -8997,7 +8955,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1accept_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t their_features, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9012,7 +8972,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1funding_1created(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9023,7 +8985,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1funding_1signed(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9034,7 +8998,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1funding_1locked(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9045,7 +9011,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1shutdown(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t their_features, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9059,7 +9027,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1closing_1signed(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9070,7 +9040,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1update_1add_1htlc(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9081,7 +9053,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1update_1fulfill_1htlc(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9092,7 +9066,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1update_1fail_1htlc(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9103,7 +9079,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1update_1fail_1malformed_1htlc(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9114,7 +9092,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1commitment_1signed(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9125,7 +9105,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1revoke_1and_1ack(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9136,7 +9118,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1update_1fee(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9147,7 +9131,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1announcement_1signatures(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9158,7 +9144,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1peer_1disconnected(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, jboolean no_connection_possible) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9166,7 +9154,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1peer_1d
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1peer_1connected(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9177,7 +9167,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1peer_1c
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1channel_1reestablish(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9188,7 +9180,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1channel_1update(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9199,7 +9193,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1error(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9266,7 +9262,9 @@ LDKCResult_boolLightningErrorZ handle_node_announcement_LDKRoutingMessageHandler
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_node_announcement in LDKRoutingMessageHandler from rust threw an exception.");
        }
-       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_boolLightningErrorZ_clone((LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -9297,7 +9295,9 @@ LDKCResult_boolLightningErrorZ handle_channel_announcement_LDKRoutingMessageHand
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_channel_announcement in LDKRoutingMessageHandler from rust threw an exception.");
        }
-       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_boolLightningErrorZ_clone((LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -9328,7 +9328,9 @@ LDKCResult_boolLightningErrorZ handle_channel_update_LDKRoutingMessageHandler_jc
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_channel_update in LDKRoutingMessageHandler from rust threw an exception.");
        }
-       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_boolLightningErrorZ_clone((LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -9360,7 +9362,9 @@ LDKCVec_C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZZ get_next_channel
        int64_t* ret_vals = (*env)->GetLongArrayElements (env, ret, NULL);
        for (size_t h = 0; h < ret_constr.datalen; h++) {
                int64_t ret_conv_59 = ret_vals[h];
-               LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ ret_conv_59_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)ret_conv_59) & ~1);
+               void* ret_conv_59_ptr = (void*)(((uint64_t)ret_conv_59) & ~1);
+               CHECK_ACCESS(ret_conv_59_ptr);
+               LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ ret_conv_59_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(ret_conv_59_ptr);
                ret_conv_59_conv = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_clone((LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)ret_conv_59) & ~1));
                ret_constr.data[h] = ret_conv_59_conv;
        }
@@ -9464,7 +9468,9 @@ LDKCResult_NoneLightningErrorZ handle_reply_channel_range_LDKRoutingMessageHandl
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_reply_channel_range in LDKRoutingMessageHandler from rust threw an exception.");
        }
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -9496,7 +9502,9 @@ LDKCResult_NoneLightningErrorZ handle_reply_short_channel_ids_end_LDKRoutingMess
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_reply_short_channel_ids_end in LDKRoutingMessageHandler from rust threw an exception.");
        }
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -9528,7 +9536,9 @@ LDKCResult_NoneLightningErrorZ handle_query_channel_range_LDKRoutingMessageHandl
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_query_channel_range in LDKRoutingMessageHandler from rust threw an exception.");
        }
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -9560,7 +9570,9 @@ LDKCResult_NoneLightningErrorZ handle_query_short_channel_ids_LDKRoutingMessageH
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_query_short_channel_ids in LDKRoutingMessageHandler from rust threw an exception.");
        }
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -9630,7 +9642,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKRoutingMessageHandler_1g
        return (int64_t)(res_ptr | 1);
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1node_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKNodeAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
@@ -9640,7 +9654,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1channel_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKChannelAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
@@ -9650,7 +9666,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1channel_1update(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKChannelUpdate msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
@@ -9660,7 +9678,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
 }
 
 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) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKCVec_C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZZ ret_var = (this_arg_conv->get_next_channel_announcements)(this_arg_conv->this_arg, starting_point, batch_amount);
        int64_tArray ret_arr = (*env)->NewLongArray(env, ret_var.datalen);
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
@@ -9675,7 +9695,9 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_
 }
 
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1get_1next_1node_1announcements(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray starting_point, int8_t batch_amount) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey starting_point_ref;
        CHECK((*env)->GetArrayLength(env, starting_point) == 33);
        (*env)->GetByteArrayRegion(env, starting_point, 0, 33, starting_point_ref.compressed_form);
@@ -9698,7 +9720,9 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1sync_1routing_1table(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t init) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9709,7 +9733,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1sync_1r
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1reply_1channel_1range(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9723,7 +9749,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
 }
 
 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) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9737,7 +9765,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
 }
 
 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) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9751,7 +9781,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1hand
 }
 
 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) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
@@ -9806,7 +9838,9 @@ LDKCResult_COption_TypeZDecodeErrorZ read_LDKCustomMessageReader_jcall(const voi
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to read in LDKCustomMessageReader from rust threw an exception.");
        }
-       LDKCResult_COption_TypeZDecodeErrorZ ret_conv = *(LDKCResult_COption_TypeZDecodeErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_COption_TypeZDecodeErrorZ ret_conv = *(LDKCResult_COption_TypeZDecodeErrorZ*)(ret_ptr);
        ret_conv = CResult_COption_TypeZDecodeErrorZ_clone((LDKCResult_COption_TypeZDecodeErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -9840,7 +9874,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCustomMessageReader_1new
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CustomMessageReader_1read(JNIEnv *env, jclass clz, int64_t this_arg, int16_t message_type, int8_tArray buffer) {
-       LDKCustomMessageReader* this_arg_conv = (LDKCustomMessageReader*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKCustomMessageReader* this_arg_conv = (LDKCustomMessageReader*)this_arg_ptr;
        LDKu8slice buffer_ref;
        buffer_ref.datalen = (*env)->GetArrayLength(env, buffer);
        buffer_ref.data = (*env)->GetByteArrayElements (env, buffer, NULL);
@@ -9895,7 +9931,9 @@ LDKCResult_NoneLightningErrorZ handle_custom_message_LDKCustomMessageHandler_jca
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to handle_custom_message in LDKCustomMessageHandler from rust threw an exception.");
        }
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -9927,7 +9965,9 @@ LDKCVec_C2Tuple_PublicKeyTypeZZ get_and_clear_pending_msg_LDKCustomMessageHandle
        int64_t* ret_vals = (*env)->GetLongArrayElements (env, ret, NULL);
        for (size_t z = 0; z < ret_constr.datalen; z++) {
                int64_t ret_conv_25 = ret_vals[z];
-               LDKC2Tuple_PublicKeyTypeZ ret_conv_25_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)ret_conv_25) & ~1);
+               void* ret_conv_25_ptr = (void*)(((uint64_t)ret_conv_25) & ~1);
+               CHECK_ACCESS(ret_conv_25_ptr);
+               LDKC2Tuple_PublicKeyTypeZ ret_conv_25_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(ret_conv_25_ptr);
                ret_conv_25_conv = C2Tuple_PublicKeyTypeZ_clone((LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)ret_conv_25) & ~1));
                ret_constr.data[z] = ret_conv_25_conv;
        }
@@ -9976,8 +10016,12 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKCustomMessageHandler_1ge
        return (int64_t)(res_ptr | 1);
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CustomMessageHandler_1handle_1custom_1message(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg, int8_tArray sender_node_id) {
-       LDKCustomMessageHandler* this_arg_conv = (LDKCustomMessageHandler*)(((uint64_t)this_arg) & ~1);
-       LDKType msg_conv = *(LDKType*)(((uint64_t)msg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKCustomMessageHandler* this_arg_conv = (LDKCustomMessageHandler*)this_arg_ptr;
+       void* msg_ptr = (void*)(((uint64_t)msg) & ~1);
+       CHECK_ACCESS(msg_ptr);
+       LDKType msg_conv = *(LDKType*)(msg_ptr);
        if (msg_conv.free == LDKType_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKType_JCalls_cloned(&msg_conv);
@@ -9991,7 +10035,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CustomMessageHandler_1handl
 }
 
 JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_CustomMessageHandler_1get_1and_1clear_1pending_1msg(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKCustomMessageHandler* this_arg_conv = (LDKCustomMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKCustomMessageHandler* this_arg_conv = (LDKCustomMessageHandler*)this_arg_ptr;
        LDKCVec_C2Tuple_PublicKeyTypeZZ ret_var = (this_arg_conv->get_and_clear_pending_msg)(this_arg_conv->this_arg);
        int64_tArray ret_arr = (*env)->NewLongArray(env, ret_var.datalen);
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
@@ -10156,7 +10202,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKSocketDescriptor_1new(JN
        return (uint64_t)res_ptr;
 }
 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) {
-       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_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);
@@ -10166,12 +10214,16 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1send_1dat
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1disconnect_1socket(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)this_arg_ptr;
        (this_arg_conv->disconnect_socket)(this_arg_conv->this_arg);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1hash(JNIEnv *env, jclass clz, int64_t this_arg) {
-       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)this_arg_ptr;
        int64_t ret_val = (this_arg_conv->hash)(this_arg_conv->this_arg);
        return ret_val;
 }
@@ -10247,7 +10299,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKScore_1new(JNIEnv *env,
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Score_1channel_1penalty_1msat(JNIEnv *env, jclass clz, int64_t this_arg, int64_t short_channel_id) {
-       LDKScore* this_arg_conv = (LDKScore*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKScore* this_arg_conv = (LDKScore*)this_arg_ptr;
        int64_t ret_val = (this_arg_conv->channel_penalty_msat)(this_arg_conv->this_arg, short_channel_id);
        return ret_val;
 }
@@ -10299,7 +10353,9 @@ LDKCResult_NoneErrorZ persist_manager_LDKChannelManagerPersister_jcall(const voi
                (*env)->ExceptionDescribe(env);
                (*env)->FatalError(env, "A call to persist_manager in LDKChannelManagerPersister from rust threw an exception.");
        }
-       LDKCResult_NoneErrorZ ret_conv = *(LDKCResult_NoneErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneErrorZ ret_conv = *(LDKCResult_NoneErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneErrorZ_clone((LDKCResult_NoneErrorZ*)(((uint64_t)ret) & ~1));
        if (get_jenv_res == JNI_EDETACHED) {
                DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
@@ -10333,7 +10389,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKChannelManagerPersister_
        return (uint64_t)res_ptr;
 }
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerPersister_1persist_1manager(JNIEnv *env, jclass clz, int64_t this_arg, int64_t channel_manager) {
-       LDKChannelManagerPersister* this_arg_conv = (LDKChannelManagerPersister*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelManagerPersister* this_arg_conv = (LDKChannelManagerPersister*)this_arg_ptr;
        LDKChannelManager channel_manager_conv;
        channel_manager_conv.inner = (void*)(channel_manager & (~1));
        channel_manager_conv.is_owned = false;
@@ -10423,7 +10481,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxOut_1new(JNIEnv *env, jcl
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_TxOut_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKTxOut _res_conv = *(LDKTxOut*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKTxOut _res_conv = *(LDKTxOut*)(_res_ptr);
        FREE((void*)_res);
        TxOut_free(_res_conv);
 }
@@ -10458,7 +10518,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1e
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SecretKeyErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SecretKeyErrorZ _res_conv = *(LDKCResult_SecretKeyErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SecretKeyErrorZ _res_conv = *(LDKCResult_SecretKeyErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SecretKeyErrorZ_free(_res_conv);
 }
@@ -10481,7 +10543,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1e
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PublicKeyErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PublicKeyErrorZ _res_conv = *(LDKCResult_PublicKeyErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PublicKeyErrorZ _res_conv = *(LDKCResult_PublicKeyErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PublicKeyErrorZ_free(_res_conv);
 }
@@ -10515,7 +10579,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDeco
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TxCreationKeysDecodeErrorZ _res_conv = *(LDKCResult_TxCreationKeysDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TxCreationKeysDecodeErrorZ _res_conv = *(LDKCResult_TxCreationKeysDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TxCreationKeysDecodeErrorZ_free(_res_conv);
 }
@@ -10549,7 +10615,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysD
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelPublicKeysDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelPublicKeysDecodeErrorZ _res_conv = *(LDKCResult_ChannelPublicKeysDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelPublicKeysDecodeErrorZ _res_conv = *(LDKCResult_ChannelPublicKeysDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelPublicKeysDecodeErrorZ_free(_res_conv);
 }
@@ -10580,7 +10648,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErro
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TxCreationKeysErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TxCreationKeysErrorZ _res_conv = *(LDKCResult_TxCreationKeysErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TxCreationKeysErrorZ _res_conv = *(LDKCResult_TxCreationKeysErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TxCreationKeysErrorZ_free(_res_conv);
 }
@@ -10608,7 +10678,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u32Z_1none(JNIEnv
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1u32Z_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_u32Z _res_conv = *(LDKCOption_u32Z*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_u32Z _res_conv = *(LDKCOption_u32Z*)(_res_ptr);
        FREE((void*)_res);
        COption_u32Z_free(_res_conv);
 }
@@ -10643,7 +10715,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommit
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCOutputInCommitmentDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_HTLCOutputInCommitmentDecodeErrorZ _res_conv = *(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_HTLCOutputInCommitmentDecodeErrorZ _res_conv = *(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_HTLCOutputInCommitmentDecodeErrorZ_free(_res_conv);
 }
@@ -10677,7 +10751,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChanne
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CounterpartyChannelTransactionParametersDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ _res_conv = *(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ _res_conv = *(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_free(_res_conv);
 }
@@ -10711,7 +10787,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransaction
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelTransactionParametersDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelTransactionParametersDecodeErrorZ _res_conv = *(LDKCResult_ChannelTransactionParametersDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelTransactionParametersDecodeErrorZ _res_conv = *(LDKCResult_ChannelTransactionParametersDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelTransactionParametersDecodeErrorZ_free(_res_conv);
 }
@@ -10762,7 +10840,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTr
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1HolderCommitmentTransactionDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_HolderCommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_HolderCommitmentTransactionDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_HolderCommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_HolderCommitmentTransactionDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_HolderCommitmentTransactionDecodeErrorZ_free(_res_conv);
 }
@@ -10796,7 +10876,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTra
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1BuiltCommitmentTransactionDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_BuiltCommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_BuiltCommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_BuiltCommitmentTransactionDecodeErrorZ_free(_res_conv);
 }
@@ -10826,7 +10908,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedClosingTran
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedClosingTransactionNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TrustedClosingTransactionNoneZ _res_conv = *(LDKCResult_TrustedClosingTransactionNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TrustedClosingTransactionNoneZ _res_conv = *(LDKCResult_TrustedClosingTransactionNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TrustedClosingTransactionNoneZ_free(_res_conv);
 }
@@ -10853,7 +10937,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransact
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentTransactionDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_CommitmentTransactionDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_CommitmentTransactionDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CommitmentTransactionDecodeErrorZ_free(_res_conv);
 }
@@ -10883,7 +10969,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedCommitmentT
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TrustedCommitmentTransactionNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TrustedCommitmentTransactionNoneZ _res_conv = *(LDKCResult_TrustedCommitmentTransactionNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TrustedCommitmentTransactionNoneZ _res_conv = *(LDKCResult_TrustedCommitmentTransactionNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TrustedCommitmentTransactionNoneZ_free(_res_conv);
 }
@@ -10915,7 +11003,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1SignatureZNo
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1SignatureZNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CVec_SignatureZNoneZ _res_conv = *(LDKCResult_CVec_SignatureZNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CVec_SignatureZNoneZ _res_conv = *(LDKCResult_CVec_SignatureZNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CVec_SignatureZNoneZ_free(_res_conv);
 }
@@ -10949,7 +11039,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDeco
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ShutdownScriptDecodeErrorZ _res_conv = *(LDKCResult_ShutdownScriptDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ShutdownScriptDecodeErrorZ _res_conv = *(LDKCResult_ShutdownScriptDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ShutdownScriptDecodeErrorZ_free(_res_conv);
 }
@@ -10975,7 +11067,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInva
        LDKInvalidShutdownScript e_conv;
        e_conv.inner = (void*)(e & (~1));
        e_conv.is_owned = (e & 1) || (e == 0);
-       // Warning: we need a move here but no clone is available for LDKInvalidShutdownScript
+       e_conv = InvalidShutdownScript_clone(&e_conv);
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptInvalidShutdownScriptZ), "LDKCResult_ShutdownScriptInvalidShutdownScriptZ");
        *ret_conv = CResult_ShutdownScriptInvalidShutdownScriptZ_err(e_conv);
        return (uint64_t)ret_conv;
@@ -10983,11 +11075,20 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInva
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ShutdownScriptInvalidShutdownScriptZ _res_conv = *(LDKCResult_ShutdownScriptInvalidShutdownScriptZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ShutdownScriptInvalidShutdownScriptZ _res_conv = *(LDKCResult_ShutdownScriptInvalidShutdownScriptZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ShutdownScriptInvalidShutdownScriptZ_free(_res_conv);
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1clone(JNIEnv *env, jclass clz, int64_t orig) {
+       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 (uint64_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();
@@ -11003,7 +11104,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneErrorZ_1err(JN
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneErrorZ _res_conv = *(LDKCResult_NoneErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneErrorZ _res_conv = *(LDKCResult_NoneErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneErrorZ_free(_res_conv);
 }
@@ -11037,7 +11140,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErro
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RouteHopDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RouteHopDecodeErrorZ _res_conv = *(LDKCResult_RouteHopDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RouteHopDecodeErrorZ _res_conv = *(LDKCResult_RouteHopDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RouteHopDecodeErrorZ_free(_res_conv);
 }
@@ -11119,7 +11224,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RouteDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RouteDecodeErrorZ _res_conv = *(LDKCResult_RouteDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RouteDecodeErrorZ _res_conv = *(LDKCResult_RouteDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RouteDecodeErrorZ_free(_res_conv);
 }
@@ -11147,7 +11254,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u64Z_1none(JNIEnv
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1u64Z_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_u64Z _res_conv = *(LDKCOption_u64Z*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_u64Z _res_conv = *(LDKCOption_u64Z*)(_res_ptr);
        FREE((void*)_res);
        COption_u64Z_free(_res_conv);
 }
@@ -11220,7 +11329,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErro
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RouteLightningErrorZ _res_conv = *(LDKCResult_RouteLightningErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RouteLightningErrorZ _res_conv = *(LDKCResult_RouteLightningErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RouteLightningErrorZ_free(_res_conv);
 }
@@ -11233,7 +11344,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RouteLightningErro
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKTxOut o_conv = *(LDKTxOut*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKTxOut o_conv = *(LDKTxOut*)(o_ptr);
        o_conv = TxOut_clone((LDKTxOut*)(((uint64_t)o) & ~1));
        LDKCResult_TxOutAccessErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxOutAccessErrorZ), "LDKCResult_TxOutAccessErrorZ");
        *ret_conv = CResult_TxOutAccessErrorZ_ok(o_conv);
@@ -11249,7 +11362,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TxOutAccessErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TxOutAccessErrorZ _res_conv = *(LDKCResult_TxOutAccessErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TxOutAccessErrorZ _res_conv = *(LDKCResult_TxOutAccessErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TxOutAccessErrorZ_free(_res_conv);
 }
@@ -11281,7 +11396,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1usizeTransactionZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_usizeTransactionZ _res_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_usizeTransactionZ _res_conv = *(LDKC2Tuple_usizeTransactionZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_usizeTransactionZ_free(_res_conv);
 }
@@ -11296,7 +11413,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1usizeTransactio
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t c = 0; c < _res_constr.datalen; c++) {
                int64_t _res_conv_28 = _res_vals[c];
-               LDKC2Tuple_usizeTransactionZ _res_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)_res_conv_28) & ~1);
+               void* _res_conv_28_ptr = (void*)(((uint64_t)_res_conv_28) & ~1);
+               CHECK_ACCESS(_res_conv_28_ptr);
+               LDKC2Tuple_usizeTransactionZ _res_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(_res_conv_28_ptr);
                FREE((void*)_res_conv_28);
                _res_constr.data[c] = _res_conv_28_conv;
        }
@@ -11336,7 +11455,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneChannelMonitor
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneChannelMonitorUpdateErrZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneChannelMonitorUpdateErrZ _res_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ _res_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneChannelMonitorUpdateErrZ_free(_res_conv);
 }
@@ -11358,7 +11479,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1MonitorEventZ_1free(JNIE
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t o = 0; o < _res_constr.datalen; o++) {
                int64_t _res_conv_14 = _res_vals[o];
-               LDKMonitorEvent _res_conv_14_conv = *(LDKMonitorEvent*)(((uint64_t)_res_conv_14) & ~1);
+               void* _res_conv_14_ptr = (void*)(((uint64_t)_res_conv_14) & ~1);
+               CHECK_ACCESS(_res_conv_14_ptr);
+               LDKMonitorEvent _res_conv_14_conv = *(LDKMonitorEvent*)(_res_conv_14_ptr);
                FREE((void*)_res_conv_14);
                _res_constr.data[o] = _res_conv_14_conv;
        }
@@ -11367,7 +11490,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1MonitorEventZ_1free(JNIE
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTransactionZZ_1some(JNIEnv *env, jclass clz, int64_t o) {
-       LDKC2Tuple_usizeTransactionZ o_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_usizeTransactionZ o_conv = *(LDKC2Tuple_usizeTransactionZ*)(o_ptr);
        o_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)o) & ~1));
        LDKCOption_C2Tuple_usizeTransactionZZ *ret_copy = MALLOC(sizeof(LDKCOption_C2Tuple_usizeTransactionZZ), "LDKCOption_C2Tuple_usizeTransactionZZ");
        *ret_copy = COption_C2Tuple_usizeTransactionZZ_some(o_conv);
@@ -11384,7 +11509,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTran
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTransactionZZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_C2Tuple_usizeTransactionZZ _res_conv = *(LDKCOption_C2Tuple_usizeTransactionZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_C2Tuple_usizeTransactionZZ _res_conv = *(LDKCOption_C2Tuple_usizeTransactionZZ*)(_res_ptr);
        FREE((void*)_res);
        COption_C2Tuple_usizeTransactionZZ_free(_res_conv);
 }
@@ -11398,7 +11525,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1C2Tuple_1usizeTran
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1some(JNIEnv *env, jclass clz, int64_t o) {
-       LDKNetworkUpdate o_conv = *(LDKNetworkUpdate*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKNetworkUpdate o_conv = *(LDKNetworkUpdate*)(o_ptr);
        o_conv = NetworkUpdate_clone((LDKNetworkUpdate*)(((uint64_t)o) & ~1));
        LDKCOption_NetworkUpdateZ *ret_copy = MALLOC(sizeof(LDKCOption_NetworkUpdateZ), "LDKCOption_NetworkUpdateZ");
        *ret_copy = COption_NetworkUpdateZ_some(o_conv);
@@ -11415,7 +11544,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1no
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1NetworkUpdateZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_NetworkUpdateZ _res_conv = *(LDKCOption_NetworkUpdateZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_NetworkUpdateZ _res_conv = *(LDKCOption_NetworkUpdateZ*)(_res_ptr);
        FREE((void*)_res);
        COption_NetworkUpdateZ_free(_res_conv);
 }
@@ -11438,7 +11569,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1SpendableOutputDescripto
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t b = 0; b < _res_constr.datalen; b++) {
                int64_t _res_conv_27 = _res_vals[b];
-               LDKSpendableOutputDescriptor _res_conv_27_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)_res_conv_27) & ~1);
+               void* _res_conv_27_ptr = (void*)(((uint64_t)_res_conv_27) & ~1);
+               CHECK_ACCESS(_res_conv_27_ptr);
+               LDKSpendableOutputDescriptor _res_conv_27_conv = *(LDKSpendableOutputDescriptor*)(_res_conv_27_ptr);
                FREE((void*)_res_conv_27);
                _res_constr.data[b] = _res_conv_27_conv;
        }
@@ -11456,7 +11589,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1MessageSendEventZ_1free(
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t s = 0; s < _res_constr.datalen; s++) {
                int64_t _res_conv_18 = _res_vals[s];
-               LDKMessageSendEvent _res_conv_18_conv = *(LDKMessageSendEvent*)(((uint64_t)_res_conv_18) & ~1);
+               void* _res_conv_18_ptr = (void*)(((uint64_t)_res_conv_18) & ~1);
+               CHECK_ACCESS(_res_conv_18_ptr);
+               LDKMessageSendEvent _res_conv_18_conv = *(LDKMessageSendEvent*)(_res_conv_18_ptr);
                FREE((void*)_res_conv_18);
                _res_constr.data[s] = _res_conv_18_conv;
        }
@@ -11486,7 +11621,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitFeaturesDecode
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InitFeaturesDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InitFeaturesDecodeErrorZ _res_conv = *(LDKCResult_InitFeaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InitFeaturesDecodeErrorZ _res_conv = *(LDKCResult_InitFeaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InitFeaturesDecodeErrorZ_free(_res_conv);
 }
@@ -11513,7 +11650,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeFeaturesDecode
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NodeFeaturesDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeFeaturesDecodeErrorZ _res_conv = *(LDKCResult_NodeFeaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeFeaturesDecodeErrorZ _res_conv = *(LDKCResult_NodeFeaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeFeaturesDecodeErrorZ_free(_res_conv);
 }
@@ -11540,7 +11679,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelFeaturesDec
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelFeaturesDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelFeaturesDecodeErrorZ _res_conv = *(LDKCResult_ChannelFeaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelFeaturesDecodeErrorZ _res_conv = *(LDKCResult_ChannelFeaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelFeaturesDecodeErrorZ_free(_res_conv);
 }
@@ -11567,7 +11708,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceFeaturesDec
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceFeaturesDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InvoiceFeaturesDecodeErrorZ _res_conv = *(LDKCResult_InvoiceFeaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InvoiceFeaturesDecodeErrorZ _res_conv = *(LDKCResult_InvoiceFeaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InvoiceFeaturesDecodeErrorZ_free(_res_conv);
 }
@@ -11594,7 +11737,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutp
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1DelayedPaymentOutputDescriptorDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_free(_res_conv);
 }
@@ -11628,7 +11773,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutpu
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutputDescriptorDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_StaticPaymentOutputDescriptorDecodeErrorZ_free(_res_conv);
 }
@@ -11641,7 +11788,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StaticPaymentOutpu
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDescriptorDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKSpendableOutputDescriptor o_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKSpendableOutputDescriptor o_conv = *(LDKSpendableOutputDescriptor*)(o_ptr);
        o_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)o) & ~1));
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SpendableOutputDescriptorDecodeErrorZ), "LDKCResult_SpendableOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_SpendableOutputDescriptorDecodeErrorZ_ok(o_conv);
@@ -11660,7 +11809,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDes
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SpendableOutputDescriptorDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SpendableOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_SpendableOutputDescriptorDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SpendableOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_SpendableOutputDescriptorDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SpendableOutputDescriptorDecodeErrorZ_free(_res_conv);
 }
@@ -11686,7 +11837,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneNoneZ_1err(JNI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneNoneZ _res_conv = *(LDKCResult_NoneNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneNoneZ _res_conv = *(LDKCResult_NoneNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneNoneZ_free(_res_conv);
 }
@@ -11729,13 +11882,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureCVec_1Sig
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1SignatureCVec_1SignatureZZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_SignatureCVec_SignatureZZ _res_conv = *(LDKC2Tuple_SignatureCVec_SignatureZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_SignatureCVec_SignatureZZ _res_conv = *(LDKC2Tuple_SignatureCVec_SignatureZZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_SignatureCVec_SignatureZZ_free(_res_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureCVec_1SignatureZZNoneZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKC2Tuple_SignatureCVec_SignatureZZ o_conv = *(LDKC2Tuple_SignatureCVec_SignatureZZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_SignatureCVec_SignatureZZ o_conv = *(LDKC2Tuple_SignatureCVec_SignatureZZ*)(o_ptr);
        o_conv = C2Tuple_SignatureCVec_SignatureZZ_clone((LDKC2Tuple_SignatureCVec_SignatureZZ*)(((uint64_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);
@@ -11750,7 +11907,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1Signature
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1SignatureCVec_1SignatureZZNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ _res_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ _res_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_free(_res_conv);
 }
@@ -11779,7 +11938,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1er
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SignatureNoneZ _res_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SignatureNoneZ _res_conv = *(LDKCResult_SignatureNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SignatureNoneZ_free(_res_conv);
 }
@@ -11792,7 +11953,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignatureNoneZ_1cl
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKSign o_conv = *(LDKSign*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKSign o_conv = *(LDKSign*)(o_ptr);
        if (o_conv.free == LDKSign_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKSign_JCalls_cloned(&o_conv);
@@ -11814,7 +11977,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SignDecodeErrorZ _res_conv = *(LDKCResult_SignDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SignDecodeErrorZ _res_conv = *(LDKCResult_SignDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SignDecodeErrorZ_free(_res_conv);
 }
@@ -11851,7 +12016,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RecoverableSignatu
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RecoverableSignatureNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RecoverableSignatureNoneZ _res_conv = *(LDKCResult_RecoverableSignatureNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RecoverableSignatureNoneZ _res_conv = *(LDKCResult_RecoverableSignatureNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RecoverableSignatureNoneZ_free(_res_conv);
 }
@@ -11909,7 +12076,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1CVec_1u8ZZNo
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1CVec_1u8ZZNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CVec_CVec_u8ZZNoneZ _res_conv = *(LDKCResult_CVec_CVec_u8ZZNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CVec_CVec_u8ZZNoneZ _res_conv = *(LDKCResult_CVec_CVec_u8ZZNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CVec_CVec_u8ZZNoneZ_free(_res_conv);
 }
@@ -11943,7 +12112,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDeco
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InMemorySignerDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InMemorySignerDecodeErrorZ _res_conv = *(LDKCResult_InMemorySignerDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InMemorySignerDecodeErrorZ _res_conv = *(LDKCResult_InMemorySignerDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InMemorySignerDecodeErrorZ_free(_res_conv);
 }
@@ -11965,7 +12136,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1TxOutZ_1free(JNIEnv *env
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t h = 0; h < _res_constr.datalen; h++) {
                int64_t _res_conv_7 = _res_vals[h];
-               LDKTxOut _res_conv_7_conv = *(LDKTxOut*)(((uint64_t)_res_conv_7) & ~1);
+               void* _res_conv_7_ptr = (void*)(((uint64_t)_res_conv_7) & ~1);
+               CHECK_ACCESS(_res_conv_7_ptr);
+               LDKTxOut _res_conv_7_conv = *(LDKTxOut*)(_res_conv_7_ptr);
                FREE((void*)_res_conv_7);
                _res_constr.data[h] = _res_conv_7_conv;
        }
@@ -11992,7 +12165,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1TransactionNoneZ_1
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1TransactionNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TransactionNoneZ _res_conv = *(LDKCResult_TransactionNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TransactionNoneZ _res_conv = *(LDKCResult_TransactionNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TransactionNoneZ_free(_res_conv);
 }
@@ -12026,7 +12201,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMo
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMonitorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_BlockHashChannelMonitorZ _res_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_BlockHashChannelMonitorZ _res_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_BlockHashChannelMonitorZ_free(_res_conv);
 }
@@ -12041,7 +12218,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1BlockHashChanne
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t j = 0; j < _res_constr.datalen; j++) {
                int64_t _res_conv_35 = _res_vals[j];
-               LDKC2Tuple_BlockHashChannelMonitorZ _res_conv_35_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)_res_conv_35) & ~1);
+               void* _res_conv_35_ptr = (void*)(((uint64_t)_res_conv_35) & ~1);
+               CHECK_ACCESS(_res_conv_35_ptr);
+               LDKC2Tuple_BlockHashChannelMonitorZ _res_conv_35_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(_res_conv_35_ptr);
                FREE((void*)_res_conv_35);
                _res_constr.data[j] = _res_conv_35_conv;
        }
@@ -12059,7 +12238,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1Blo
        int64_t* o_vals = (*env)->GetLongArrayElements (env, o, NULL);
        for (size_t j = 0; j < o_constr.datalen; j++) {
                int64_t o_conv_35 = o_vals[j];
-               LDKC2Tuple_BlockHashChannelMonitorZ o_conv_35_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)o_conv_35) & ~1);
+               void* o_conv_35_ptr = (void*)(((uint64_t)o_conv_35) & ~1);
+               CHECK_ACCESS(o_conv_35_ptr);
+               LDKC2Tuple_BlockHashChannelMonitorZ o_conv_35_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(o_conv_35_ptr);
                o_conv_35_conv = C2Tuple_BlockHashChannelMonitorZ_clone((LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)o_conv_35) & ~1));
                o_constr.data[j] = o_conv_35_conv;
        }
@@ -12078,7 +12259,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1Blo
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1C2Tuple_1BlockHashChannelMonitorZZErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ _res_conv = *(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ _res_conv = *(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_free(_res_conv);
 }
@@ -12112,7 +12295,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdDecodeErr
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PaymentIdDecodeErrorZ _res_conv = *(LDKCResult_PaymentIdDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PaymentIdDecodeErrorZ _res_conv = *(LDKCResult_PaymentIdDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PaymentIdDecodeErrorZ_free(_res_conv);
 }
@@ -12140,7 +12325,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1u16Z_1none(JNIEnv
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1u16Z_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_u16Z _res_conv = *(LDKCOption_u16Z*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_u16Z _res_conv = *(LDKCOption_u16Z*)(_res_ptr);
        FREE((void*)_res);
        COption_u16Z_free(_res_conv);
 }
@@ -12160,7 +12347,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1ok(
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
-       LDKAPIError e_conv = *(LDKAPIError*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKAPIError e_conv = *(LDKAPIError*)(e_ptr);
        e_conv = APIError_clone((LDKAPIError*)(((uint64_t)e) & ~1));
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = CResult_NoneAPIErrorZ_err(e_conv);
@@ -12169,7 +12358,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1err
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneAPIErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneAPIErrorZ _res_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneAPIErrorZ _res_conv = *(LDKCResult_NoneAPIErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneAPIErrorZ_free(_res_conv);
 }
@@ -12191,7 +12382,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1CResult_1NoneAPIErrorZZ_
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t w = 0; w < _res_constr.datalen; w++) {
                int64_t _res_conv_22 = _res_vals[w];
-               LDKCResult_NoneAPIErrorZ _res_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)_res_conv_22) & ~1);
+               void* _res_conv_22_ptr = (void*)(((uint64_t)_res_conv_22) & ~1);
+               CHECK_ACCESS(_res_conv_22_ptr);
+               LDKCResult_NoneAPIErrorZ _res_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(_res_conv_22_ptr);
                FREE((void*)_res_conv_22);
                _res_constr.data[w] = _res_conv_22_conv;
        }
@@ -12209,7 +12402,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1APIErrorZ_1free(JNIEnv *
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t k = 0; k < _res_constr.datalen; k++) {
                int64_t _res_conv_10 = _res_vals[k];
-               LDKAPIError _res_conv_10_conv = *(LDKAPIError*)(((uint64_t)_res_conv_10) & ~1);
+               void* _res_conv_10_ptr = (void*)(((uint64_t)_res_conv_10) & ~1);
+               CHECK_ACCESS(_res_conv_10_ptr);
+               LDKAPIError _res_conv_10_conv = *(LDKAPIError*)(_res_conv_10_ptr);
                FREE((void*)_res_conv_10);
                _res_constr.data[k] = _res_conv_10_conv;
        }
@@ -12227,7 +12422,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1o
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
-       LDKAPIError e_conv = *(LDKAPIError*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKAPIError e_conv = *(LDKAPIError*)(e_ptr);
        e_conv = APIError_clone((LDKAPIError*)(((uint64_t)e) & ~1));
        LDKCResult__u832APIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult__u832APIErrorZ), "LDKCResult__u832APIErrorZ");
        *ret_conv = CResult__u832APIErrorZ_err(e_conv);
@@ -12236,7 +12433,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1e
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1_1u832APIErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult__u832APIErrorZ _res_conv = *(LDKCResult__u832APIErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult__u832APIErrorZ _res_conv = *(LDKCResult__u832APIErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult__u832APIErrorZ_free(_res_conv);
 }
@@ -12259,7 +12458,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSe
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSendFailureZ_1err(JNIEnv *env, jclass clz, int64_t e) {
-       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(e_ptr);
        e_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uint64_t)e) & ~1));
        LDKCResult_PaymentIdPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentSendFailureZ), "LDKCResult_PaymentIdPaymentSendFailureZ");
        *ret_conv = CResult_PaymentIdPaymentSendFailureZ_err(e_conv);
@@ -12268,7 +12469,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSe
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentIdPaymentSendFailureZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PaymentIdPaymentSendFailureZ _res_conv = *(LDKCResult_PaymentIdPaymentSendFailureZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PaymentIdPaymentSendFailureZ _res_conv = *(LDKCResult_PaymentIdPaymentSendFailureZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PaymentIdPaymentSendFailureZ_free(_res_conv);
 }
@@ -12287,7 +12490,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFai
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFailureZ_1err(JNIEnv *env, jclass clz, int64_t e) {
-       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(e_ptr);
        e_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uint64_t)e) & ~1));
        LDKCResult_NonePaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePaymentSendFailureZ), "LDKCResult_NonePaymentSendFailureZ");
        *ret_conv = CResult_NonePaymentSendFailureZ_err(e_conv);
@@ -12296,7 +12501,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFai
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NonePaymentSendFailureZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NonePaymentSendFailureZ _res_conv = *(LDKCResult_NonePaymentSendFailureZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NonePaymentSendFailureZ _res_conv = *(LDKCResult_NonePaymentSendFailureZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NonePaymentSendFailureZ_free(_res_conv);
 }
@@ -12330,13 +12537,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPayment
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentIdZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_PaymentHashPaymentIdZ _res_conv = *(LDKC2Tuple_PaymentHashPaymentIdZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_PaymentHashPaymentIdZ _res_conv = *(LDKC2Tuple_PaymentHashPaymentIdZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_PaymentHashPaymentIdZ_free(_res_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentIdZPaymentSendFailureZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKC2Tuple_PaymentHashPaymentIdZ o_conv = *(LDKC2Tuple_PaymentHashPaymentIdZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_PaymentHashPaymentIdZ o_conv = *(LDKC2Tuple_PaymentHashPaymentIdZ*)(o_ptr);
        o_conv = C2Tuple_PaymentHashPaymentIdZ_clone((LDKC2Tuple_PaymentHashPaymentIdZ*)(((uint64_t)o) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ), "LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_ok(o_conv);
@@ -12344,7 +12555,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentIdZPaymentSendFailureZ_1err(JNIEnv *env, jclass clz, int64_t e) {
-       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(e_ptr);
        e_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uint64_t)e) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ), "LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_err(e_conv);
@@ -12353,7 +12566,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHa
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1PaymentHashPaymentIdZPaymentSendFailureZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ _res_conv = *(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ _res_conv = *(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_free(_res_conv);
 }
@@ -12375,7 +12590,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1NetAddressZ_1free(JNIEnv
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t m = 0; m < _res_constr.datalen; m++) {
                int64_t _res_conv_12 = _res_vals[m];
-               LDKNetAddress _res_conv_12_conv = *(LDKNetAddress*)(((uint64_t)_res_conv_12) & ~1);
+               void* _res_conv_12_ptr = (void*)(((uint64_t)_res_conv_12) & ~1);
+               CHECK_ACCESS(_res_conv_12_ptr);
+               LDKNetAddress _res_conv_12_conv = *(LDKNetAddress*)(_res_conv_12_ptr);
                FREE((void*)_res_conv_12);
                _res_constr.data[m] = _res_conv_12_conv;
        }
@@ -12404,7 +12621,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPayment
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PaymentHashPaymentSecretZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_PaymentHashPaymentSecretZ _res_conv = *(LDKC2Tuple_PaymentHashPaymentSecretZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_PaymentHashPaymentSecretZ _res_conv = *(LDKC2Tuple_PaymentHashPaymentSecretZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_PaymentHashPaymentSecretZ_free(_res_conv);
 }
@@ -12419,7 +12638,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIEr
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
-       LDKAPIError e_conv = *(LDKAPIError*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKAPIError e_conv = *(LDKAPIError*)(e_ptr);
        e_conv = APIError_clone((LDKAPIError*)(((uint64_t)e) & ~1));
        LDKCResult_PaymentSecretAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretAPIErrorZ), "LDKCResult_PaymentSecretAPIErrorZ");
        *ret_conv = CResult_PaymentSecretAPIErrorZ_err(e_conv);
@@ -12428,7 +12649,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIEr
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PaymentSecretAPIErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PaymentSecretAPIErrorZ _res_conv = *(LDKCResult_PaymentSecretAPIErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PaymentSecretAPIErrorZ _res_conv = *(LDKCResult_PaymentSecretAPIErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PaymentSecretAPIErrorZ_free(_res_conv);
 }
@@ -12474,13 +12697,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMa
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelManagerZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_BlockHashChannelManagerZ _res_conv = *(LDKC2Tuple_BlockHashChannelManagerZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_BlockHashChannelManagerZ _res_conv = *(LDKC2Tuple_BlockHashChannelManagerZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_BlockHashChannelManagerZ_free(_res_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelManagerZDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKC2Tuple_BlockHashChannelManagerZ o_conv = *(LDKC2Tuple_BlockHashChannelManagerZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_BlockHashChannelManagerZ o_conv = *(LDKC2Tuple_BlockHashChannelManagerZ*)(o_ptr);
        // 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);
@@ -12499,7 +12726,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHash
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelManagerZDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ _res_conv = *(LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ _res_conv = *(LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_free(_res_conv);
 }
@@ -12526,7 +12755,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecod
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelConfigDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelConfigDecodeErrorZ _res_conv = *(LDKCResult_ChannelConfigDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelConfigDecodeErrorZ _res_conv = *(LDKCResult_ChannelConfigDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelConfigDecodeErrorZ_free(_res_conv);
 }
@@ -12560,7 +12791,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErro
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_OutPointDecodeErrorZ _res_conv = *(LDKCResult_OutPointDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_OutPointDecodeErrorZ _res_conv = *(LDKCResult_OutPointDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_OutPointDecodeErrorZ_free(_res_conv);
 }
@@ -12573,7 +12806,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OutPointDecodeErro
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1some(JNIEnv *env, jclass clz, int64_t o) {
-       LDKType o_conv = *(LDKType*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKType o_conv = *(LDKType*)(o_ptr);
        if (o_conv.free == LDKType_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKType_JCalls_cloned(&o_conv);
@@ -12593,7 +12828,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1none(JNIEnv
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_TypeZ _res_conv = *(LDKCOption_TypeZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_TypeZ _res_conv = *(LDKCOption_TypeZ*)(_res_ptr);
        FREE((void*)_res);
        COption_TypeZ_free(_res_conv);
 }
@@ -12607,7 +12844,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1TypeZ_1clone(JNIEn
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKCOption_TypeZ o_conv = *(LDKCOption_TypeZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKCOption_TypeZ o_conv = *(LDKCOption_TypeZ*)(o_ptr);
        o_conv = COption_TypeZ_clone((LDKCOption_TypeZ*)(((uint64_t)o) & ~1));
        LDKCResult_COption_TypeZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_TypeZDecodeErrorZ), "LDKCResult_COption_TypeZDecodeErrorZ");
        *ret_conv = CResult_COption_TypeZDecodeErrorZ_ok(o_conv);
@@ -12626,7 +12865,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDeco
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1COption_1TypeZDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_COption_TypeZDecodeErrorZ _res_conv = *(LDKCResult_COption_TypeZDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_COption_TypeZDecodeErrorZ _res_conv = *(LDKCResult_COption_TypeZDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_COption_TypeZDecodeErrorZ_free(_res_conv);
 }
@@ -12653,7 +12894,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SiPrefixNoneZ_1err
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SiPrefixNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SiPrefixNoneZ _res_conv = *(LDKCResult_SiPrefixNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SiPrefixNoneZ _res_conv = *(LDKCResult_SiPrefixNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SiPrefixNoneZ_free(_res_conv);
 }
@@ -12683,7 +12926,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1err(
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InvoiceNoneZ _res_conv = *(LDKCResult_InvoiceNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InvoiceNoneZ _res_conv = *(LDKCResult_InvoiceNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InvoiceNoneZ_free(_res_conv);
 }
@@ -12713,7 +12958,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNo
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1SignedRawInvoiceNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SignedRawInvoiceNoneZ _res_conv = *(LDKCResult_SignedRawInvoiceNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SignedRawInvoiceNoneZ _res_conv = *(LDKCResult_SignedRawInvoiceNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SignedRawInvoiceNoneZ_free(_res_conv);
 }
@@ -12751,7 +12998,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832In
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C3Tuple_1RawInvoice_1u832InvoiceSignatureZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ _res_conv = *(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ _res_conv = *(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ*)(_res_ptr);
        FREE((void*)_res);
        C3Tuple_RawInvoice_u832InvoiceSignatureZ_free(_res_conv);
 }
@@ -12775,7 +13024,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PayeePubKeyErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PayeePubKeyErrorZ _res_conv = *(LDKCResult_PayeePubKeyErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PayeePubKeyErrorZ _res_conv = *(LDKCResult_PayeePubKeyErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PayeePubKeyErrorZ_free(_res_conv);
 }
@@ -12825,7 +13076,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampC
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PositiveTimestampCreationErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PositiveTimestampCreationErrorZ _res_conv = *(LDKCResult_PositiveTimestampCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PositiveTimestampCreationErrorZ _res_conv = *(LDKCResult_PositiveTimestampCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PositiveTimestampCreationErrorZ_free(_res_conv);
 }
@@ -12852,7 +13105,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneSemanticErrorZ
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneSemanticErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneSemanticErrorZ _res_conv = *(LDKCResult_NoneSemanticErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneSemanticErrorZ _res_conv = *(LDKCResult_NoneSemanticErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneSemanticErrorZ_free(_res_conv);
 }
@@ -12883,7 +13138,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErr
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSemanticErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InvoiceSemanticErrorZ _res_conv = *(LDKCResult_InvoiceSemanticErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InvoiceSemanticErrorZ _res_conv = *(LDKCResult_InvoiceSemanticErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InvoiceSemanticErrorZ_free(_res_conv);
 }
@@ -12914,7 +13171,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreatio
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1DescriptionCreationErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_DescriptionCreationErrorZ _res_conv = *(LDKCResult_DescriptionCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_DescriptionCreationErrorZ _res_conv = *(LDKCResult_DescriptionCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_DescriptionCreationErrorZ_free(_res_conv);
 }
@@ -12945,7 +13204,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ExpiryTimeCreation
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ExpiryTimeCreationErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ExpiryTimeCreationErrorZ _res_conv = *(LDKCResult_ExpiryTimeCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ExpiryTimeCreationErrorZ _res_conv = *(LDKCResult_ExpiryTimeCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ExpiryTimeCreationErrorZ_free(_res_conv);
 }
@@ -12976,7 +13237,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreati
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PrivateRouteCreationErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PrivateRouteCreationErrorZ _res_conv = *(LDKCResult_PrivateRouteCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PrivateRouteCreationErrorZ _res_conv = *(LDKCResult_PrivateRouteCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PrivateRouteCreationErrorZ_free(_res_conv);
 }
@@ -13004,7 +13267,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1StringErrorZ_1err(
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1StringErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_StringErrorZ _res_conv = *(LDKCResult_StringErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_StringErrorZ _res_conv = *(LDKCResult_StringErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_StringErrorZ_free(_res_conv);
 }
@@ -13031,7 +13296,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpda
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelMonitorUpdateDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelMonitorUpdateDecodeErrorZ _res_conv = *(LDKCResult_ChannelMonitorUpdateDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelMonitorUpdateDecodeErrorZ _res_conv = *(LDKCResult_ChannelMonitorUpdateDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelMonitorUpdateDecodeErrorZ_free(_res_conv);
 }
@@ -13065,7 +13332,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeEr
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1HTLCUpdateDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_HTLCUpdateDecodeErrorZ _res_conv = *(LDKCResult_HTLCUpdateDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_HTLCUpdateDecodeErrorZ _res_conv = *(LDKCResult_HTLCUpdateDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_HTLCUpdateDecodeErrorZ_free(_res_conv);
 }
@@ -13095,7 +13364,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneMonitorUpdateE
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneMonitorUpdateErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneMonitorUpdateErrorZ _res_conv = *(LDKCResult_NoneMonitorUpdateErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneMonitorUpdateErrorZ _res_conv = *(LDKCResult_NoneMonitorUpdateErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneMonitorUpdateErrorZ_free(_res_conv);
 }
@@ -13130,7 +13401,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1n
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_OutPointScriptZ _res_conv = *(LDKC2Tuple_OutPointScriptZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_OutPointScriptZ _res_conv = *(LDKC2Tuple_OutPointScriptZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_OutPointScriptZ_free(_res_conv);
 }
@@ -13154,7 +13427,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32ScriptZ_1new(JN
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32ScriptZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_u32ScriptZ _res_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_u32ScriptZ _res_conv = *(LDKC2Tuple_u32ScriptZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_u32ScriptZ_free(_res_conv);
 }
@@ -13169,7 +13444,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1u32ScriptZZ_1fr
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t v = 0; v < _res_constr.datalen; v++) {
                int64_t _res_conv_21 = _res_vals[v];
-               LDKC2Tuple_u32ScriptZ _res_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)_res_conv_21) & ~1);
+               void* _res_conv_21_ptr = (void*)(((uint64_t)_res_conv_21) & ~1);
+               CHECK_ACCESS(_res_conv_21_ptr);
+               LDKC2Tuple_u32ScriptZ _res_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(_res_conv_21_ptr);
                FREE((void*)_res_conv_21);
                _res_constr.data[v] = _res_conv_21_conv;
        }
@@ -13197,7 +13474,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_
        int64_t* b_vals = (*env)->GetLongArrayElements (env, b, NULL);
        for (size_t v = 0; v < b_constr.datalen; v++) {
                int64_t b_conv_21 = b_vals[v];
-               LDKC2Tuple_u32ScriptZ b_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)b_conv_21) & ~1);
+               void* b_conv_21_ptr = (void*)(((uint64_t)b_conv_21) & ~1);
+               CHECK_ACCESS(b_conv_21_ptr);
+               LDKC2Tuple_u32ScriptZ b_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(b_conv_21_ptr);
                b_conv_21_conv = C2Tuple_u32ScriptZ_clone((LDKC2Tuple_u32ScriptZ*)(((uint64_t)b_conv_21) & ~1));
                b_constr.data[v] = b_conv_21_conv;
        }
@@ -13209,7 +13488,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32ScriptZZZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ _res_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ _res_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_free(_res_conv);
 }
@@ -13224,7 +13505,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1TxidCVec_1C2Tup
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t o = 0; o < _res_constr.datalen; o++) {
                int64_t _res_conv_40 = _res_vals[o];
-               LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ _res_conv_40_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(((uint64_t)_res_conv_40) & ~1);
+               void* _res_conv_40_ptr = (void*)(((uint64_t)_res_conv_40) & ~1);
+               CHECK_ACCESS(_res_conv_40_ptr);
+               LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ _res_conv_40_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(_res_conv_40_ptr);
                FREE((void*)_res_conv_40);
                _res_constr.data[o] = _res_conv_40_conv;
        }
@@ -13242,7 +13525,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1EventZ_1free(JNIEnv *env
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t h = 0; h < _res_constr.datalen; h++) {
                int64_t _res_conv_7 = _res_vals[h];
-               LDKEvent _res_conv_7_conv = *(LDKEvent*)(((uint64_t)_res_conv_7) & ~1);
+               void* _res_conv_7_ptr = (void*)(((uint64_t)_res_conv_7) & ~1);
+               CHECK_ACCESS(_res_conv_7_ptr);
+               LDKEvent _res_conv_7_conv = *(LDKEvent*)(_res_conv_7_ptr);
                FREE((void*)_res_conv_7);
                _res_constr.data[h] = _res_conv_7_conv;
        }
@@ -13277,7 +13562,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1clone(J
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1new(JNIEnv *env, jclass clz, int32_t a, int64_t b) {
-       LDKTxOut b_conv = *(LDKTxOut*)(((uint64_t)b) & ~1);
+       void* b_ptr = (void*)(((uint64_t)b) & ~1);
+       CHECK_ACCESS(b_ptr);
+       LDKTxOut b_conv = *(LDKTxOut*)(b_ptr);
        b_conv = TxOut_clone((LDKTxOut*)(((uint64_t)b) & ~1));
        LDKC2Tuple_u32TxOutZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_u32TxOutZ), "LDKC2Tuple_u32TxOutZ");
        *ret_conv = C2Tuple_u32TxOutZ_new(a, b_conv);
@@ -13286,7 +13573,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1new(JNI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_u32TxOutZ _res_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_u32TxOutZ _res_conv = *(LDKC2Tuple_u32TxOutZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_u32TxOutZ_free(_res_conv);
 }
@@ -13301,7 +13590,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1u32TxOutZZ_1fre
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t u = 0; u < _res_constr.datalen; u++) {
                int64_t _res_conv_20 = _res_vals[u];
-               LDKC2Tuple_u32TxOutZ _res_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)_res_conv_20) & ~1);
+               void* _res_conv_20_ptr = (void*)(((uint64_t)_res_conv_20) & ~1);
+               CHECK_ACCESS(_res_conv_20_ptr);
+               LDKC2Tuple_u32TxOutZ _res_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(_res_conv_20_ptr);
                FREE((void*)_res_conv_20);
                _res_constr.data[u] = _res_conv_20_conv;
        }
@@ -13329,7 +13620,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_
        int64_t* b_vals = (*env)->GetLongArrayElements (env, b, NULL);
        for (size_t u = 0; u < b_constr.datalen; u++) {
                int64_t b_conv_20 = b_vals[u];
-               LDKC2Tuple_u32TxOutZ b_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)b_conv_20) & ~1);
+               void* b_conv_20_ptr = (void*)(((uint64_t)b_conv_20) & ~1);
+               CHECK_ACCESS(b_conv_20_ptr);
+               LDKC2Tuple_u32TxOutZ b_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(b_conv_20_ptr);
                b_conv_20_conv = C2Tuple_u32TxOutZ_clone((LDKC2Tuple_u32TxOutZ*)(((uint64_t)b_conv_20) & ~1));
                b_constr.data[u] = b_conv_20_conv;
        }
@@ -13341,7 +13634,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1TxidCVec_1C2Tuple_1u32TxOutZZZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ _res_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ _res_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_free(_res_conv);
 }
@@ -13356,7 +13651,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1TxidCVec_1C2Tup
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t n = 0; n < _res_constr.datalen; n++) {
                int64_t _res_conv_39 = _res_vals[n];
-               LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ _res_conv_39_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(((uint64_t)_res_conv_39) & ~1);
+               void* _res_conv_39_ptr = (void*)(((uint64_t)_res_conv_39) & ~1);
+               CHECK_ACCESS(_res_conv_39_ptr);
+               LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ _res_conv_39_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(_res_conv_39_ptr);
                FREE((void*)_res_conv_39);
                _res_constr.data[n] = _res_conv_39_conv;
        }
@@ -13374,7 +13671,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1BalanceZ_1free(JNIEnv *e
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t j = 0; j < _res_constr.datalen; j++) {
                int64_t _res_conv_9 = _res_vals[j];
-               LDKBalance _res_conv_9_conv = *(LDKBalance*)(((uint64_t)_res_conv_9) & ~1);
+               void* _res_conv_9_ptr = (void*)(((uint64_t)_res_conv_9) & ~1);
+               CHECK_ACCESS(_res_conv_9_ptr);
+               LDKBalance _res_conv_9_conv = *(LDKBalance*)(_res_conv_9_ptr);
                FREE((void*)_res_conv_9);
                _res_constr.data[j] = _res_conv_9_conv;
        }
@@ -13383,7 +13682,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1BalanceZ_1free(JNIEnv *e
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelMonitorZDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKC2Tuple_BlockHashChannelMonitorZ o_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_BlockHashChannelMonitorZ o_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(o_ptr);
        o_conv = C2Tuple_BlockHashChannelMonitorZ_clone((LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)o) & ~1));
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ");
        *ret_conv = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_ok(o_conv);
@@ -13402,7 +13703,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHash
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1C2Tuple_1BlockHashChannelMonitorZDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ _res_conv = *(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ _res_conv = *(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_free(_res_conv);
 }
@@ -13432,7 +13735,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningError
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NoneLightningErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneLightningErrorZ _res_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneLightningErrorZ _res_conv = *(LDKCResult_NoneLightningErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneLightningErrorZ_free(_res_conv);
 }
@@ -13455,7 +13760,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1ne
        LDKPublicKey a_ref;
        CHECK((*env)->GetArrayLength(env, a) == 33);
        (*env)->GetByteArrayRegion(env, a, 0, 33, a_ref.compressed_form);
-       LDKType b_conv = *(LDKType*)(((uint64_t)b) & ~1);
+       void* b_ptr = (void*)(((uint64_t)b) & ~1);
+       CHECK_ACCESS(b_ptr);
+       LDKType b_conv = *(LDKType*)(b_ptr);
        if (b_conv.free == LDKType_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKType_JCalls_cloned(&b_conv);
@@ -13467,7 +13774,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1ne
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C2Tuple_1PublicKeyTypeZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_PublicKeyTypeZ _res_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_PublicKeyTypeZ _res_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_PublicKeyTypeZ_free(_res_conv);
 }
@@ -13482,7 +13791,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C2Tuple_1PublicKeyTypeZZ
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t z = 0; z < _res_constr.datalen; z++) {
                int64_t _res_conv_25 = _res_vals[z];
-               LDKC2Tuple_PublicKeyTypeZ _res_conv_25_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)_res_conv_25) & ~1);
+               void* _res_conv_25_ptr = (void*)(((uint64_t)_res_conv_25) & ~1);
+               CHECK_ACCESS(_res_conv_25_ptr);
+               LDKC2Tuple_PublicKeyTypeZ _res_conv_25_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(_res_conv_25_ptr);
                FREE((void*)_res_conv_25);
                _res_constr.data[z] = _res_conv_25_conv;
        }
@@ -13508,7 +13819,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningError
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1boolLightningErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_boolLightningErrorZ _res_conv = *(LDKCResult_boolLightningErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_boolLightningErrorZ _res_conv = *(LDKCResult_boolLightningErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_boolLightningErrorZ_free(_res_conv);
 }
@@ -13547,7 +13860,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncemen
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_C3Tuple_1ChannelAnnouncementChannelUpdateChannelUpdateZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ _res_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ _res_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(_res_ptr);
        FREE((void*)_res);
        C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_free(_res_conv);
 }
@@ -13562,7 +13877,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1C3Tuple_1ChannelAnnounce
        int64_t* _res_vals = (*env)->GetLongArrayElements (env, _res, NULL);
        for (size_t h = 0; h < _res_constr.datalen; h++) {
                int64_t _res_conv_59 = _res_vals[h];
-               LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ _res_conv_59_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)_res_conv_59) & ~1);
+               void* _res_conv_59_ptr = (void*)(((uint64_t)_res_conv_59) & ~1);
+               CHECK_ACCESS(_res_conv_59_ptr);
+               LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ _res_conv_59_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(_res_conv_59_ptr);
                FREE((void*)_res_conv_59);
                _res_constr.data[h] = _res_conv_59_conv;
        }
@@ -13628,7 +13945,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandl
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CVec_1u8ZPeerHandleErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CVec_u8ZPeerHandleErrorZ _res_conv = *(LDKCResult_CVec_u8ZPeerHandleErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CVec_u8ZPeerHandleErrorZ _res_conv = *(LDKCResult_CVec_u8ZPeerHandleErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CVec_u8ZPeerHandleErrorZ_free(_res_conv);
 }
@@ -13658,7 +13977,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErro
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NonePeerHandleErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NonePeerHandleErrorZ _res_conv = *(LDKCResult_NonePeerHandleErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NonePeerHandleErrorZ _res_conv = *(LDKCResult_NonePeerHandleErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NonePeerHandleErrorZ_free(_res_conv);
 }
@@ -13688,7 +14009,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErro
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1boolPeerHandleErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_boolPeerHandleErrorZ _res_conv = *(LDKCResult_boolPeerHandleErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_boolPeerHandleErrorZ _res_conv = *(LDKCResult_boolPeerHandleErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_boolPeerHandleErrorZ_free(_res_conv);
 }
@@ -13722,7 +14045,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeIdDecodeErrorZ _res_conv = *(LDKCResult_NodeIdDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeIdDecodeErrorZ _res_conv = *(LDKCResult_NodeIdDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeIdDecodeErrorZ_free(_res_conv);
 }
@@ -13735,7 +14060,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeIdDecodeErrorZ
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1AccessZ_1some(JNIEnv *env, jclass clz, int64_t o) {
-       LDKAccess o_conv = *(LDKAccess*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKAccess o_conv = *(LDKAccess*)(o_ptr);
        if (o_conv.free == LDKAccess_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKAccess_JCalls_cloned(&o_conv);
@@ -13755,7 +14082,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1AccessZ_1none(JNIE
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1AccessZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_AccessZ _res_conv = *(LDKCOption_AccessZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_AccessZ _res_conv = *(LDKCOption_AccessZ*)(_res_ptr);
        FREE((void*)_res);
        COption_AccessZ_free(_res_conv);
 }
@@ -13782,7 +14111,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1DirectionalChannel
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1DirectionalChannelInfoDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_DirectionalChannelInfoDecodeErrorZ _res_conv = *(LDKCResult_DirectionalChannelInfoDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_DirectionalChannelInfoDecodeErrorZ _res_conv = *(LDKCResult_DirectionalChannelInfoDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_DirectionalChannelInfoDecodeErrorZ_free(_res_conv);
 }
@@ -13816,7 +14147,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeE
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelInfoDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelInfoDecodeErrorZ _res_conv = *(LDKCResult_ChannelInfoDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelInfoDecodeErrorZ _res_conv = *(LDKCResult_ChannelInfoDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelInfoDecodeErrorZ_free(_res_conv);
 }
@@ -13850,7 +14183,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeE
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RoutingFeesDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RoutingFeesDecodeErrorZ _res_conv = *(LDKCResult_RoutingFeesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RoutingFeesDecodeErrorZ _res_conv = *(LDKCResult_RoutingFeesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RoutingFeesDecodeErrorZ_free(_res_conv);
 }
@@ -13884,7 +14219,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementIn
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementInfoDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeAnnouncementInfoDecodeErrorZ _res_conv = *(LDKCResult_NodeAnnouncementInfoDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeAnnouncementInfoDecodeErrorZ _res_conv = *(LDKCResult_NodeAnnouncementInfoDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeAnnouncementInfoDecodeErrorZ_free(_res_conv);
 }
@@ -13934,7 +14271,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErro
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NodeInfoDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeInfoDecodeErrorZ _res_conv = *(LDKCResult_NodeInfoDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeInfoDecodeErrorZ _res_conv = *(LDKCResult_NodeInfoDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeInfoDecodeErrorZ_free(_res_conv);
 }
@@ -13968,7 +14307,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecode
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NetworkGraphDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NetworkGraphDecodeErrorZ _res_conv = *(LDKCResult_NetworkGraphDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NetworkGraphDecodeErrorZ _res_conv = *(LDKCResult_NetworkGraphDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NetworkGraphDecodeErrorZ_free(_res_conv);
 }
@@ -13990,7 +14331,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ
        int64_t* o_vals = (*env)->GetLongArrayElements (env, o, NULL);
        for (size_t m = 0; m < o_constr.datalen; m++) {
                int64_t o_conv_12 = o_vals[m];
-               LDKNetAddress o_conv_12_conv = *(LDKNetAddress*)(((uint64_t)o_conv_12) & ~1);
+               void* o_conv_12_ptr = (void*)(((uint64_t)o_conv_12) & ~1);
+               CHECK_ACCESS(o_conv_12_ptr);
+               LDKNetAddress o_conv_12_conv = *(LDKNetAddress*)(o_conv_12_ptr);
                o_conv_12_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)o_conv_12) & ~1));
                o_constr.data[m] = o_conv_12_conv;
        }
@@ -14010,7 +14353,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_CVec_NetAddressZZ _res_conv = *(LDKCOption_CVec_NetAddressZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_CVec_NetAddressZZ _res_conv = *(LDKCOption_CVec_NetAddressZZ*)(_res_ptr);
        FREE((void*)_res);
        COption_CVec_NetAddressZZ_free(_res_conv);
 }
@@ -14024,7 +14369,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1CVec_1NetAddressZZ
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressu8Z_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKNetAddress o_conv = *(LDKNetAddress*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKNetAddress o_conv = *(LDKNetAddress*)(o_ptr);
        o_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)o) & ~1));
        LDKCResult_NetAddressu8Z* ret_conv = MALLOC(sizeof(LDKCResult_NetAddressu8Z), "LDKCResult_NetAddressu8Z");
        *ret_conv = CResult_NetAddressu8Z_ok(o_conv);
@@ -14039,7 +14386,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressu8Z_1err
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressu8Z_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NetAddressu8Z _res_conv = *(LDKCResult_NetAddressu8Z*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NetAddressu8Z _res_conv = *(LDKCResult_NetAddressu8Z*)(_res_ptr);
        FREE((void*)_res);
        CResult_NetAddressu8Z_free(_res_conv);
 }
@@ -14052,7 +14401,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressu8Z_1clo
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CResult_1NetAddressu8ZDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKCResult_NetAddressu8Z o_conv = *(LDKCResult_NetAddressu8Z*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKCResult_NetAddressu8Z o_conv = *(LDKCResult_NetAddressu8Z*)(o_ptr);
        o_conv = CResult_NetAddressu8Z_clone((LDKCResult_NetAddressu8Z*)(((uint64_t)o) & ~1));
        LDKCResult_CResult_NetAddressu8ZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CResult_NetAddressu8ZDecodeErrorZ), "LDKCResult_CResult_NetAddressu8ZDecodeErrorZ");
        *ret_conv = CResult_CResult_NetAddressu8ZDecodeErrorZ_ok(o_conv);
@@ -14071,7 +14422,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CResult_1NetAddres
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CResult_1NetAddressu8ZDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CResult_NetAddressu8ZDecodeErrorZ _res_conv = *(LDKCResult_CResult_NetAddressu8ZDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CResult_NetAddressu8ZDecodeErrorZ _res_conv = *(LDKCResult_CResult_NetAddressu8ZDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CResult_NetAddressu8ZDecodeErrorZ_free(_res_conv);
 }
@@ -14084,7 +14437,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CResult_1NetAddres
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeErrorZ_1ok(JNIEnv *env, jclass clz, int64_t o) {
-       LDKNetAddress o_conv = *(LDKNetAddress*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKNetAddress o_conv = *(LDKNetAddress*)(o_ptr);
        o_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)o) & ~1));
        LDKCResult_NetAddressDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetAddressDecodeErrorZ), "LDKCResult_NetAddressDecodeErrorZ");
        *ret_conv = CResult_NetAddressDecodeErrorZ_ok(o_conv);
@@ -14103,7 +14458,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeEr
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NetAddressDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NetAddressDecodeErrorZ _res_conv = *(LDKCResult_NetAddressDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NetAddressDecodeErrorZ _res_conv = *(LDKCResult_NetAddressDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NetAddressDecodeErrorZ_free(_res_conv);
 }
@@ -14213,7 +14570,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecod
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1AcceptChannelDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_AcceptChannelDecodeErrorZ _res_conv = *(LDKCResult_AcceptChannelDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_AcceptChannelDecodeErrorZ _res_conv = *(LDKCResult_AcceptChannelDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_AcceptChannelDecodeErrorZ_free(_res_conv);
 }
@@ -14247,7 +14606,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignat
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1AnnouncementSignaturesDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_AnnouncementSignaturesDecodeErrorZ _res_conv = *(LDKCResult_AnnouncementSignaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_AnnouncementSignaturesDecodeErrorZ _res_conv = *(LDKCResult_AnnouncementSignaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_AnnouncementSignaturesDecodeErrorZ_free(_res_conv);
 }
@@ -14281,7 +14642,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablish
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelReestablishDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelReestablishDecodeErrorZ _res_conv = *(LDKCResult_ChannelReestablishDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelReestablishDecodeErrorZ _res_conv = *(LDKCResult_ChannelReestablishDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelReestablishDecodeErrorZ_free(_res_conv);
 }
@@ -14315,7 +14678,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecod
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ClosingSignedDecodeErrorZ _res_conv = *(LDKCResult_ClosingSignedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ClosingSignedDecodeErrorZ _res_conv = *(LDKCResult_ClosingSignedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ClosingSignedDecodeErrorZ_free(_res_conv);
 }
@@ -14349,7 +14714,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRa
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ClosingSignedFeeRangeDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ClosingSignedFeeRangeDecodeErrorZ _res_conv = *(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ClosingSignedFeeRangeDecodeErrorZ _res_conv = *(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ClosingSignedFeeRangeDecodeErrorZ_free(_res_conv);
 }
@@ -14383,7 +14750,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDe
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1CommitmentSignedDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CommitmentSignedDecodeErrorZ _res_conv = *(LDKCResult_CommitmentSignedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CommitmentSignedDecodeErrorZ _res_conv = *(LDKCResult_CommitmentSignedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CommitmentSignedDecodeErrorZ_free(_res_conv);
 }
@@ -14417,7 +14786,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDeco
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1FundingCreatedDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_FundingCreatedDecodeErrorZ _res_conv = *(LDKCResult_FundingCreatedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_FundingCreatedDecodeErrorZ _res_conv = *(LDKCResult_FundingCreatedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_FundingCreatedDecodeErrorZ_free(_res_conv);
 }
@@ -14451,7 +14822,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecod
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1FundingSignedDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_FundingSignedDecodeErrorZ _res_conv = *(LDKCResult_FundingSignedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_FundingSignedDecodeErrorZ _res_conv = *(LDKCResult_FundingSignedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_FundingSignedDecodeErrorZ_free(_res_conv);
 }
@@ -14485,7 +14858,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecod
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1FundingLockedDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_FundingLockedDecodeErrorZ _res_conv = *(LDKCResult_FundingLockedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_FundingLockedDecodeErrorZ _res_conv = *(LDKCResult_FundingLockedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_FundingLockedDecodeErrorZ_free(_res_conv);
 }
@@ -14519,7 +14894,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InitDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InitDecodeErrorZ _res_conv = *(LDKCResult_InitDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InitDecodeErrorZ _res_conv = *(LDKCResult_InitDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InitDecodeErrorZ_free(_res_conv);
 }
@@ -14553,7 +14930,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeE
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1OpenChannelDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_OpenChannelDecodeErrorZ _res_conv = *(LDKCResult_OpenChannelDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_OpenChannelDecodeErrorZ _res_conv = *(LDKCResult_OpenChannelDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_OpenChannelDecodeErrorZ_free(_res_conv);
 }
@@ -14587,7 +14966,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecode
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1RevokeAndACKDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RevokeAndACKDecodeErrorZ _res_conv = *(LDKCResult_RevokeAndACKDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RevokeAndACKDecodeErrorZ _res_conv = *(LDKCResult_RevokeAndACKDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RevokeAndACKDecodeErrorZ_free(_res_conv);
 }
@@ -14621,7 +15002,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErro
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ShutdownDecodeErrorZ _res_conv = *(LDKCResult_ShutdownDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ShutdownDecodeErrorZ _res_conv = *(LDKCResult_ShutdownDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ShutdownDecodeErrorZ_free(_res_conv);
 }
@@ -14655,7 +15038,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDeco
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailHTLCDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateFailHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFailHTLCDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateFailHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFailHTLCDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateFailHTLCDecodeErrorZ_free(_res_conv);
 }
@@ -14689,7 +15074,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalforme
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFailMalformedHTLCDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateFailMalformedHTLCDecodeErrorZ_free(_res_conv);
 }
@@ -14723,7 +15110,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErr
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFeeDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateFeeDecodeErrorZ _res_conv = *(LDKCResult_UpdateFeeDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateFeeDecodeErrorZ _res_conv = *(LDKCResult_UpdateFeeDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateFeeDecodeErrorZ_free(_res_conv);
 }
@@ -14757,7 +15146,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCD
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateFulfillHTLCDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateFulfillHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFulfillHTLCDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateFulfillHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFulfillHTLCDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateFulfillHTLCDecodeErrorZ_free(_res_conv);
 }
@@ -14791,7 +15182,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecod
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UpdateAddHTLCDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateAddHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateAddHTLCDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateAddHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateAddHTLCDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateAddHTLCDecodeErrorZ_free(_res_conv);
 }
@@ -14825,7 +15218,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PingDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PingDecodeErrorZ _res_conv = *(LDKCResult_PingDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PingDecodeErrorZ _res_conv = *(LDKCResult_PingDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PingDecodeErrorZ_free(_res_conv);
 }
@@ -14859,7 +15254,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1PongDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PongDecodeErrorZ _res_conv = *(LDKCResult_PongDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PongDecodeErrorZ _res_conv = *(LDKCResult_PongDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PongDecodeErrorZ_free(_res_conv);
 }
@@ -14893,7 +15290,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnn
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelAnnouncementDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UnsignedChannelAnnouncementDecodeErrorZ_free(_res_conv);
 }
@@ -14927,7 +15326,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncemen
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelAnnouncementDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_ChannelAnnouncementDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_ChannelAnnouncementDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelAnnouncementDecodeErrorZ_free(_res_conv);
 }
@@ -14961,7 +15362,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpd
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedChannelUpdateDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UnsignedChannelUpdateDecodeErrorZ _res_conv = *(LDKCResult_UnsignedChannelUpdateDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UnsignedChannelUpdateDecodeErrorZ _res_conv = *(LDKCResult_UnsignedChannelUpdateDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UnsignedChannelUpdateDecodeErrorZ_free(_res_conv);
 }
@@ -14995,7 +15398,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecod
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ChannelUpdateDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelUpdateDecodeErrorZ _res_conv = *(LDKCResult_ChannelUpdateDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelUpdateDecodeErrorZ _res_conv = *(LDKCResult_ChannelUpdateDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelUpdateDecodeErrorZ_free(_res_conv);
 }
@@ -15029,7 +15434,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecode
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ErrorMessageDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ErrorMessageDecodeErrorZ _res_conv = *(LDKCResult_ErrorMessageDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ErrorMessageDecodeErrorZ _res_conv = *(LDKCResult_ErrorMessageDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ErrorMessageDecodeErrorZ_free(_res_conv);
 }
@@ -15063,7 +15470,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnoun
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1UnsignedNodeAnnouncementDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UnsignedNodeAnnouncementDecodeErrorZ_free(_res_conv);
 }
@@ -15097,7 +15506,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDe
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1NodeAnnouncementDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_NodeAnnouncementDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_NodeAnnouncementDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeAnnouncementDecodeErrorZ_free(_res_conv);
 }
@@ -15131,7 +15542,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1QueryShortChannelIdsDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_QueryShortChannelIdsDecodeErrorZ _res_conv = *(LDKCResult_QueryShortChannelIdsDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_QueryShortChannelIdsDecodeErrorZ _res_conv = *(LDKCResult_QueryShortChannelIdsDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_QueryShortChannelIdsDecodeErrorZ_free(_res_conv);
 }
@@ -15165,7 +15578,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyShortChannelIdsEndDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ _res_conv = *(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ _res_conv = *(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ReplyShortChannelIdsEndDecodeErrorZ_free(_res_conv);
 }
@@ -15199,7 +15614,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeD
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1QueryChannelRangeDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_QueryChannelRangeDecodeErrorZ _res_conv = *(LDKCResult_QueryChannelRangeDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_QueryChannelRangeDecodeErrorZ _res_conv = *(LDKCResult_QueryChannelRangeDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_QueryChannelRangeDecodeErrorZ_free(_res_conv);
 }
@@ -15233,7 +15650,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeD
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ReplyChannelRangeDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ReplyChannelRangeDecodeErrorZ _res_conv = *(LDKCResult_ReplyChannelRangeDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ReplyChannelRangeDecodeErrorZ _res_conv = *(LDKCResult_ReplyChannelRangeDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ReplyChannelRangeDecodeErrorZ_free(_res_conv);
 }
@@ -15267,7 +15686,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFil
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1GossipTimestampFilterDecodeErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_GossipTimestampFilterDecodeErrorZ _res_conv = *(LDKCResult_GossipTimestampFilterDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_GossipTimestampFilterDecodeErrorZ _res_conv = *(LDKCResult_GossipTimestampFilterDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_GossipTimestampFilterDecodeErrorZ_free(_res_conv);
 }
@@ -15290,7 +15711,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreat
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreationErrorZ_1err(JNIEnv *env, jclass clz, int64_t e) {
-       LDKSignOrCreationError e_conv = *(LDKSignOrCreationError*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKSignOrCreationError e_conv = *(LDKSignOrCreationError*)(e_ptr);
        e_conv = SignOrCreationError_clone((LDKSignOrCreationError*)(((uint64_t)e) & ~1));
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
        *ret_conv = CResult_InvoiceSignOrCreationErrorZ_err(e_conv);
@@ -15299,7 +15722,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreat
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreationErrorZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InvoiceSignOrCreationErrorZ _res_conv = *(LDKCResult_InvoiceSignOrCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InvoiceSignOrCreationErrorZ _res_conv = *(LDKCResult_InvoiceSignOrCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InvoiceSignOrCreationErrorZ_free(_res_conv);
 }
@@ -15312,7 +15737,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1InvoiceSignOrCreat
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1FilterZ_1some(JNIEnv *env, jclass clz, int64_t o) {
-       LDKFilter o_conv = *(LDKFilter*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKFilter o_conv = *(LDKFilter*)(o_ptr);
        if (o_conv.free == LDKFilter_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFilter_JCalls_cloned(&o_conv);
@@ -15332,7 +15759,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_COption_1FilterZ_1none(JNIE
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_COption_1FilterZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_FilterZ _res_conv = *(LDKCOption_FilterZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_FilterZ _res_conv = *(LDKCOption_FilterZ*)(_res_ptr);
        FREE((void*)_res);
        COption_FilterZ_free(_res_conv);
 }
@@ -15355,7 +15784,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1LockedChannelMonit
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1LockedChannelMonitorNoneZ_1free(JNIEnv *env, jclass clz, int64_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_LockedChannelMonitorNoneZ _res_conv = *(LDKCResult_LockedChannelMonitorNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_LockedChannelMonitorNoneZ _res_conv = *(LDKCResult_LockedChannelMonitorNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_LockedChannelMonitorNoneZ_free(_res_conv);
 }
@@ -15381,7 +15812,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CVec_1OutPointZ_1free(JNIEnv *
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PaymentPurpose_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKPaymentPurpose this_ptr_conv = *(LDKPaymentPurpose*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKPaymentPurpose this_ptr_conv = *(LDKPaymentPurpose*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        PaymentPurpose_free(this_ptr_conv);
 }
@@ -15419,7 +15852,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentPurpose_1spontaneous
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ClosureReason_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKClosureReason this_ptr_conv = *(LDKClosureReason*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKClosureReason this_ptr_conv = *(LDKClosureReason*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        ClosureReason_free(this_ptr_conv);
 }
@@ -15494,7 +15929,9 @@ JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ClosureReason_1write(JN
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Event_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKEvent this_ptr_conv = *(LDKEvent*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKEvent this_ptr_conv = *(LDKEvent*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Event_free(this_ptr_conv);
 }
@@ -15525,7 +15962,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1received(JN
        LDKThirtyTwoBytes payment_hash_ref;
        CHECK((*env)->GetArrayLength(env, payment_hash) == 32);
        (*env)->GetByteArrayRegion(env, payment_hash, 0, 32, payment_hash_ref.data);
-       LDKPaymentPurpose purpose_conv = *(LDKPaymentPurpose*)(((uint64_t)purpose) & ~1);
+       void* purpose_ptr = (void*)(((uint64_t)purpose) & ~1);
+       CHECK_ACCESS(purpose_ptr);
+       LDKPaymentPurpose purpose_conv = *(LDKPaymentPurpose*)(purpose_ptr);
        purpose_conv = PaymentPurpose_clone((LDKPaymentPurpose*)(((uint64_t)purpose) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_received(payment_hash_ref, amt, purpose_conv);
@@ -15550,7 +15989,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1path_1faile
        LDKThirtyTwoBytes payment_hash_ref;
        CHECK((*env)->GetArrayLength(env, payment_hash) == 32);
        (*env)->GetByteArrayRegion(env, payment_hash, 0, 32, payment_hash_ref.data);
-       LDKCOption_NetworkUpdateZ network_update_conv = *(LDKCOption_NetworkUpdateZ*)(((uint64_t)network_update) & ~1);
+       void* network_update_ptr = (void*)(((uint64_t)network_update) & ~1);
+       CHECK_ACCESS(network_update_ptr);
+       LDKCOption_NetworkUpdateZ network_update_conv = *(LDKCOption_NetworkUpdateZ*)(network_update_ptr);
        network_update_conv = COption_NetworkUpdateZ_clone((LDKCOption_NetworkUpdateZ*)(((uint64_t)network_update) & ~1));
        LDKCVec_RouteHopZ path_constr;
        path_constr.datalen = (*env)->GetArrayLength(env, path);
@@ -15568,7 +16009,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1path_1faile
                path_constr.data[k] = path_conv_10_conv;
        }
        (*env)->ReleaseLongArrayElements(env, path, path_vals, 0);
-       LDKCOption_u64Z short_channel_id_conv = *(LDKCOption_u64Z*)(((uint64_t)short_channel_id) & ~1);
+       void* short_channel_id_ptr = (void*)(((uint64_t)short_channel_id) & ~1);
+       CHECK_ACCESS(short_channel_id_ptr);
+       LDKCOption_u64Z short_channel_id_conv = *(LDKCOption_u64Z*)(short_channel_id_ptr);
        short_channel_id_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)short_channel_id) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_path_failed(payment_hash_ref, rejected_by_dest, network_update_conv, all_paths_failed, path_constr, short_channel_id_conv);
@@ -15593,7 +16036,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1spendable_1outputs(J
        int64_t* outputs_vals = (*env)->GetLongArrayElements (env, outputs, NULL);
        for (size_t b = 0; b < outputs_constr.datalen; b++) {
                int64_t outputs_conv_27 = outputs_vals[b];
-               LDKSpendableOutputDescriptor outputs_conv_27_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)outputs_conv_27) & ~1);
+               void* outputs_conv_27_ptr = (void*)(((uint64_t)outputs_conv_27) & ~1);
+               CHECK_ACCESS(outputs_conv_27_ptr);
+               LDKSpendableOutputDescriptor outputs_conv_27_conv = *(LDKSpendableOutputDescriptor*)(outputs_conv_27_ptr);
                outputs_conv_27_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)outputs_conv_27) & ~1));
                outputs_constr.data[b] = outputs_conv_27_conv;
        }
@@ -15605,7 +16050,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1spendable_1outputs(J
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1forwarded(JNIEnv *env, jclass clz, int64_t fee_earned_msat, jboolean claim_from_onchain_tx) {
-       LDKCOption_u64Z fee_earned_msat_conv = *(LDKCOption_u64Z*)(((uint64_t)fee_earned_msat) & ~1);
+       void* fee_earned_msat_ptr = (void*)(((uint64_t)fee_earned_msat) & ~1);
+       CHECK_ACCESS(fee_earned_msat_ptr);
+       LDKCOption_u64Z fee_earned_msat_conv = *(LDKCOption_u64Z*)(fee_earned_msat_ptr);
        fee_earned_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_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);
@@ -15617,7 +16064,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1channel_1closed(JNIE
        LDKThirtyTwoBytes channel_id_ref;
        CHECK((*env)->GetArrayLength(env, channel_id) == 32);
        (*env)->GetByteArrayRegion(env, channel_id, 0, 32, channel_id_ref.data);
-       LDKClosureReason reason_conv = *(LDKClosureReason*)(((uint64_t)reason) & ~1);
+       void* reason_ptr = (void*)(((uint64_t)reason) & ~1);
+       CHECK_ACCESS(reason_ptr);
+       LDKClosureReason reason_conv = *(LDKClosureReason*)(reason_ptr);
        reason_conv = ClosureReason_clone((LDKClosureReason*)(((uint64_t)reason) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_channel_closed(channel_id_ref, user_channel_id, reason_conv);
@@ -15651,7 +16100,9 @@ JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Event_1write(JNIEnv *en
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKMessageSendEvent this_ptr_conv = *(LDKMessageSendEvent*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKMessageSendEvent this_ptr_conv = *(LDKMessageSendEvent*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        MessageSendEvent_free(this_ptr_conv);
 }
@@ -15873,7 +16324,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1handle_1e
        LDKPublicKey node_id_ref;
        CHECK((*env)->GetArrayLength(env, node_id) == 33);
        (*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
-       LDKErrorAction action_conv = *(LDKErrorAction*)(((uint64_t)action) & ~1);
+       void* action_ptr = (void*)(((uint64_t)action) & ~1);
+       CHECK_ACCESS(action_ptr);
+       LDKErrorAction action_conv = *(LDKErrorAction*)(action_ptr);
        action_conv = ErrorAction_clone((LDKErrorAction*)(((uint64_t)action) & ~1));
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_handle_error(node_id_ref, action_conv);
@@ -15925,28 +16378,36 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1rep
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageSendEventsProvider_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKMessageSendEventsProvider this_ptr_conv = *(LDKMessageSendEventsProvider*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKMessageSendEventsProvider this_ptr_conv = *(LDKMessageSendEventsProvider*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        MessageSendEventsProvider_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_EventsProvider_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKEventsProvider this_ptr_conv = *(LDKEventsProvider*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKEventsProvider this_ptr_conv = *(LDKEventsProvider*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        EventsProvider_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_EventHandler_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKEventHandler this_ptr_conv = *(LDKEventHandler*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKEventHandler this_ptr_conv = *(LDKEventHandler*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        EventHandler_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_APIError_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKAPIError this_ptr_conv = *(LDKAPIError*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKAPIError this_ptr_conv = *(LDKAPIError*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        APIError_free(this_ptr_conv);
 }
@@ -16098,7 +16559,9 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Level_1max(JNIEnv *env, jcla
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Logger_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKLogger this_ptr_conv = *(LDKLogger*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKLogger this_ptr_conv = *(LDKLogger*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Logger_free(this_ptr_conv);
 }
@@ -16750,21 +17213,27 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_AccessError_1unknown_1tx(JNI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Access_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKAccess this_ptr_conv = *(LDKAccess*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKAccess this_ptr_conv = *(LDKAccess*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Access_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Listen_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKListen this_ptr_conv = *(LDKListen*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKListen this_ptr_conv = *(LDKListen*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Listen_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Confirm_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKConfirm this_ptr_conv = *(LDKConfirm*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKConfirm this_ptr_conv = *(LDKConfirm*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Confirm_free(this_ptr_conv);
 }
@@ -16787,14 +17256,18 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdateErr_1per
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Watch_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKWatch this_ptr_conv = *(LDKWatch*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKWatch this_ptr_conv = *(LDKWatch*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Watch_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Filter_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKFilter this_ptr_conv = *(LDKFilter*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKFilter this_ptr_conv = *(LDKFilter*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Filter_free(this_ptr_conv);
 }
@@ -16917,7 +17390,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_WatchedOutput_1hash(JNIEnv
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BroadcasterInterface_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKBroadcasterInterface this_ptr_conv = *(LDKBroadcasterInterface*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKBroadcasterInterface this_ptr_conv = *(LDKBroadcasterInterface*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        BroadcasterInterface_free(this_ptr_conv);
 }
@@ -16952,14 +17427,18 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_ConfirmationTarget_1eq(JNI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_FeeEstimator_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKFeeEstimator this_ptr_conv = *(LDKFeeEstimator*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKFeeEstimator this_ptr_conv = *(LDKFeeEstimator*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        FeeEstimator_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Persist_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKPersist this_ptr_conv = *(LDKPersist*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKPersist this_ptr_conv = *(LDKPersist*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Persist_free(this_ptr_conv);
 }
@@ -16979,7 +17458,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1free(JNIEnv *env
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1new(JNIEnv *env, jclass clz, int64_t chain_source, int64_t broadcaster, int64_t logger, int64_t feeest, int64_t persister) {
-       LDKCOption_FilterZ chain_source_conv = *(LDKCOption_FilterZ*)(((uint64_t)chain_source) & ~1);
+       void* chain_source_ptr = (void*)(((uint64_t)chain_source) & ~1);
+       CHECK_ACCESS(chain_source_ptr);
+       LDKCOption_FilterZ chain_source_conv = *(LDKCOption_FilterZ*)(chain_source_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_FilterZ
        if (chain_source_conv.tag == LDKCOption_FilterZ_Some) {
                // Manually implement clone for Java trait instances
@@ -16988,22 +17469,30 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1new(JNIEnv *e
                        LDKFilter_JCalls_cloned(&chain_source_conv.some);
                }
        }
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
        if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
        }
-       LDKFeeEstimator feeest_conv = *(LDKFeeEstimator*)(((uint64_t)feeest) & ~1);
+       void* feeest_ptr = (void*)(((uint64_t)feeest) & ~1);
+       CHECK_ACCESS(feeest_ptr);
+       LDKFeeEstimator feeest_conv = *(LDKFeeEstimator*)(feeest_ptr);
        if (feeest_conv.free == LDKFeeEstimator_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFeeEstimator_JCalls_cloned(&feeest_conv);
        }
-       LDKPersist persister_conv = *(LDKPersist*)(((uint64_t)persister) & ~1);
+       void* persister_ptr = (void*)(((uint64_t)persister) & ~1);
+       CHECK_ACCESS(persister_ptr);
+       LDKPersist persister_conv = *(LDKPersist*)(persister_ptr);
        if (persister_conv.free == LDKPersist_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKPersist_JCalls_cloned(&persister_conv);
@@ -17043,7 +17532,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1get_1cla
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t j = 0; j < ret_var.datalen; j++) {
                LDKBalance *ret_conv_9_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
-               *ret_conv_9_copy = Balance_clone(&ret_var.data[j]);
+               *ret_conv_9_copy = ret_var.data[j];
                uint64_t ret_conv_9_ref = (uint64_t)ret_conv_9_copy;
                ret_arr_ptr[j] = ret_conv_9_ref;
        }
@@ -17203,7 +17692,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorUpdateError_1clone(J
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKMonitorEvent this_ptr_conv = *(LDKMonitorEvent*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKMonitorEvent this_ptr_conv = *(LDKMonitorEvent*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        MonitorEvent_free(this_ptr_conv);
 }
@@ -17282,7 +17773,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCUpdate_1read(JNIEnv *en
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Balance_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKBalance this_ptr_conv = *(LDKBalance*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKBalance this_ptr_conv = *(LDKBalance*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Balance_free(this_ptr_conv);
 }
@@ -17369,9 +17862,15 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1update_1mon
        LDKChannelMonitorUpdate updates_conv;
        updates_conv.inner = (void*)(updates & (~1));
        updates_conv.is_owned = false;
-       LDKBroadcasterInterface* broadcaster_conv = (LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
-       LDKFeeEstimator* fee_estimator_conv = (LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
-       LDKLogger* logger_conv = (LDKLogger*)(((uint64_t)logger) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       if (!(broadcaster & 1)) { CHECK_ACCESS(broadcaster_ptr); }
+       LDKBroadcasterInterface* broadcaster_conv = (LDKBroadcasterInterface*)broadcaster_ptr;
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       if (!(fee_estimator & 1)) { CHECK_ACCESS(fee_estimator_ptr); }
+       LDKFeeEstimator* fee_estimator_conv = (LDKFeeEstimator*)fee_estimator_ptr;
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       if (!(logger & 1)) { CHECK_ACCESS(logger_ptr); }
+       LDKLogger* logger_conv = (LDKLogger*)logger_ptr;
        LDKCResult_NoneMonitorUpdateErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneMonitorUpdateErrorZ), "LDKCResult_NoneMonitorUpdateErrorZ");
        *ret_conv = ChannelMonitor_update_monitor(&this_arg_conv, &updates_conv, broadcaster_conv, fee_estimator_conv, logger_conv);
        return (uint64_t)ret_conv;
@@ -17415,7 +17914,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1load_1outputs_
        LDKChannelMonitor this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKFilter* filter_conv = (LDKFilter*)(((uint64_t)filter) & ~1);
+       void* filter_ptr = (void*)(((uint64_t)filter) & ~1);
+       if (!(filter & 1)) { CHECK_ACCESS(filter_ptr); }
+       LDKFilter* filter_conv = (LDKFilter*)filter_ptr;
        ChannelMonitor_load_outputs_to_watch(&this_arg_conv, filter_conv);
 }
 
@@ -17428,7 +17929,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1a
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKMonitorEvent *ret_conv_14_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
-               *ret_conv_14_copy = MonitorEvent_clone(&ret_var.data[o]);
+               *ret_conv_14_copy = ret_var.data[o];
                uint64_t ret_conv_14_ref = (uint64_t)ret_conv_14_copy;
                ret_arr_ptr[o] = ret_conv_14_ref;
        }
@@ -17446,7 +17947,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1a
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t h = 0; h < ret_var.datalen; h++) {
                LDKEvent *ret_conv_7_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
-               *ret_conv_7_copy = Event_clone(&ret_var.data[h]);
+               *ret_conv_7_copy = ret_var.data[h];
                uint64_t ret_conv_7_ref = (uint64_t)ret_conv_7_copy;
                ret_arr_ptr[h] = ret_conv_7_ref;
        }
@@ -17459,7 +17960,9 @@ JNIEXPORT jobjectArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1l
        LDKChannelMonitor this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKLogger* logger_conv = (LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       if (!(logger & 1)) { CHECK_ACCESS(logger_ptr); }
+       LDKLogger* logger_conv = (LDKLogger*)logger_ptr;
        LDKCVec_TransactionZ ret_var = ChannelMonitor_get_latest_holder_commitment_txn(&this_arg_conv, logger_conv);
        jobjectArray ret_arr = (*env)->NewObjectArray(env, ret_var.datalen, arr_of_B_clz, NULL);
        ;
@@ -17491,22 +17994,30 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1block_
        int64_t* txdata_vals = (*env)->GetLongArrayElements (env, txdata, NULL);
        for (size_t c = 0; c < txdata_constr.datalen; c++) {
                int64_t txdata_conv_28 = txdata_vals[c];
-               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1);
+               void* txdata_conv_28_ptr = (void*)(((uint64_t)txdata_conv_28) & ~1);
+               CHECK_ACCESS(txdata_conv_28_ptr);
+               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(txdata_conv_28_ptr);
                txdata_conv_28_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1));
                txdata_constr.data[c] = txdata_conv_28_conv;
        }
        (*env)->ReleaseLongArrayElements(env, txdata, txdata_vals, 0);
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
        if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
        }
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
        if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
@@ -17532,17 +18043,23 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1block_1disconn
        CHECK((*env)->GetArrayLength(env, header) == 80);
        (*env)->GetByteArrayRegion(env, header, 0, 80, header_arr);
        unsigned char (*header_ref)[80] = &header_arr;
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
        if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
        }
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
        if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
@@ -17567,22 +18084,30 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1transa
        int64_t* txdata_vals = (*env)->GetLongArrayElements (env, txdata, NULL);
        for (size_t c = 0; c < txdata_constr.datalen; c++) {
                int64_t txdata_conv_28 = txdata_vals[c];
-               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1);
+               void* txdata_conv_28_ptr = (void*)(((uint64_t)txdata_conv_28) & ~1);
+               CHECK_ACCESS(txdata_conv_28_ptr);
+               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(txdata_conv_28_ptr);
                txdata_conv_28_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1));
                txdata_constr.data[c] = txdata_conv_28_conv;
        }
        (*env)->ReleaseLongArrayElements(env, txdata, txdata_vals, 0);
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
        if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
        }
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
        if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
@@ -17608,17 +18133,23 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1transaction_1u
        CHECK((*env)->GetArrayLength(env, txid) == 32);
        (*env)->GetByteArrayRegion(env, txid, 0, 32, txid_arr);
        unsigned char (*txid_ref)[32] = &txid_arr;
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
        if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
        }
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
        if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
@@ -17634,17 +18165,23 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1best_1
        CHECK((*env)->GetArrayLength(env, header) == 80);
        (*env)->GetByteArrayRegion(env, header, 0, 80, header_arr);
        unsigned char (*header_ref)[80] = &header_arr;
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
        if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
        }
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
        if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
@@ -17701,7 +18238,7 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1get_1c
        int64_t *ret_arr_ptr = (*env)->GetPrimitiveArrayCritical(env, ret_arr, NULL);
        for (size_t j = 0; j < ret_var.datalen; j++) {
                LDKBalance *ret_conv_9_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
-               *ret_conv_9_copy = Balance_clone(&ret_var.data[j]);
+               *ret_conv_9_copy = ret_var.data[j];
                uint64_t ret_conv_9_ref = (uint64_t)ret_conv_9_copy;
                ret_arr_ptr[j] = ret_conv_9_ref;
        }
@@ -17714,7 +18251,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_C2Tuple_1BlockHashChannelMo
        LDKu8slice ser_ref;
        ser_ref.datalen = (*env)->GetArrayLength(env, ser);
        ser_ref.data = (*env)->GetByteArrayElements (env, ser, NULL);
-       LDKKeysInterface* arg_conv = (LDKKeysInterface*)(((uint64_t)arg) & ~1);
+       void* arg_ptr = (void*)(((uint64_t)arg) & ~1);
+       if (!(arg & 1)) { CHECK_ACCESS(arg_ptr); }
+       LDKKeysInterface* arg_conv = (LDKKeysInterface*)arg_ptr;
        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);
@@ -17909,7 +18448,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescriptor
        LDKDelayedPaymentOutputDescriptor this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKTxOut val_conv = *(LDKTxOut*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKTxOut val_conv = *(LDKTxOut*)(val_ptr);
        val_conv = TxOut_clone((LDKTxOut*)(((uint64_t)val) & ~1));
        DelayedPaymentOutputDescriptor_set_output(&this_ptr_conv, val_conv);
 }
@@ -17975,7 +18516,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DelayedPaymentOutputDescrip
        LDKPublicKey per_commitment_point_arg_ref;
        CHECK((*env)->GetArrayLength(env, per_commitment_point_arg) == 33);
        (*env)->GetByteArrayRegion(env, per_commitment_point_arg, 0, 33, per_commitment_point_arg_ref.compressed_form);
-       LDKTxOut output_arg_conv = *(LDKTxOut*)(((uint64_t)output_arg) & ~1);
+       void* output_arg_ptr = (void*)(((uint64_t)output_arg) & ~1);
+       CHECK_ACCESS(output_arg_ptr);
+       LDKTxOut output_arg_conv = *(LDKTxOut*)(output_arg_ptr);
        output_arg_conv = TxOut_clone((LDKTxOut*)(((uint64_t)output_arg) & ~1));
        LDKPublicKey revocation_pubkey_arg_ref;
        CHECK((*env)->GetArrayLength(env, revocation_pubkey_arg) == 33);
@@ -18064,7 +18607,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescriptor_
        LDKStaticPaymentOutputDescriptor this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKTxOut val_conv = *(LDKTxOut*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKTxOut val_conv = *(LDKTxOut*)(val_ptr);
        val_conv = TxOut_clone((LDKTxOut*)(((uint64_t)val) & ~1));
        StaticPaymentOutputDescriptor_set_output(&this_ptr_conv, val_conv);
 }
@@ -18108,7 +18653,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescript
        outpoint_arg_conv.inner = (void*)(outpoint_arg & (~1));
        outpoint_arg_conv.is_owned = (outpoint_arg & 1) || (outpoint_arg == 0);
        outpoint_arg_conv = OutPoint_clone(&outpoint_arg_conv);
-       LDKTxOut output_arg_conv = *(LDKTxOut*)(((uint64_t)output_arg) & ~1);
+       void* output_arg_ptr = (void*)(((uint64_t)output_arg) & ~1);
+       CHECK_ACCESS(output_arg_ptr);
+       LDKTxOut output_arg_conv = *(LDKTxOut*)(output_arg_ptr);
        output_arg_conv = TxOut_clone((LDKTxOut*)(((uint64_t)output_arg) & ~1));
        LDKThirtyTwoBytes channel_keys_id_arg_ref;
        CHECK((*env)->GetArrayLength(env, channel_keys_id_arg) == 32);
@@ -18160,7 +18707,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_StaticPaymentOutputDescript
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKSpendableOutputDescriptor this_ptr_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKSpendableOutputDescriptor this_ptr_conv = *(LDKSpendableOutputDescriptor*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        SpendableOutputDescriptor_free(this_ptr_conv);
 }
@@ -18178,7 +18727,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1
        outpoint_conv.inner = (void*)(outpoint & (~1));
        outpoint_conv.is_owned = (outpoint & 1) || (outpoint == 0);
        outpoint_conv = OutPoint_clone(&outpoint_conv);
-       LDKTxOut output_conv = *(LDKTxOut*)(((uint64_t)output) & ~1);
+       void* output_ptr = (void*)(((uint64_t)output) & ~1);
+       CHECK_ACCESS(output_ptr);
+       LDKTxOut output_conv = *(LDKTxOut*)(output_ptr);
        output_conv = TxOut_clone((LDKTxOut*)(((uint64_t)output) & ~1));
        LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
        *ret_copy = SpendableOutputDescriptor_static_output(outpoint_conv, output_conv);
@@ -18229,13 +18780,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BaseSign_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKBaseSign this_ptr_conv = *(LDKBaseSign*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKBaseSign this_ptr_conv = *(LDKBaseSign*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        BaseSign_free(this_ptr_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Sign_1clone(JNIEnv *env, jclass clz, int64_t orig) {
-       LDKSign* orig_conv = (LDKSign*)(((uint64_t)orig) & ~1);
+       void* orig_ptr = (void*)(((uint64_t)orig) & ~1);
+       if (!(orig & 1)) { CHECK_ACCESS(orig_ptr); }
+       LDKSign* orig_conv = (LDKSign*)orig_ptr;
        LDKSign* ret_ret =MALLOC(sizeof(LDKSign), "LDKSign");
        *ret_ret = Sign_clone(orig_conv);
        return (uint64_t)ret_ret;
@@ -18243,14 +18798,18 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Sign_1clone(JNIEnv *env, jc
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Sign_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKSign this_ptr_conv = *(LDKSign*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKSign this_ptr_conv = *(LDKSign*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Sign_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_KeysInterface_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKKeysInterface this_ptr_conv = *(LDKKeysInterface*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKKeysInterface this_ptr_conv = *(LDKKeysInterface*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        KeysInterface_free(this_ptr_conv);
 }
@@ -18614,7 +19173,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysManager_1spend_1spendab
        int64_t* descriptors_vals = (*env)->GetLongArrayElements (env, descriptors, NULL);
        for (size_t b = 0; b < descriptors_constr.datalen; b++) {
                int64_t descriptors_conv_27 = descriptors_vals[b];
-               LDKSpendableOutputDescriptor descriptors_conv_27_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)descriptors_conv_27) & ~1);
+               void* descriptors_conv_27_ptr = (void*)(((uint64_t)descriptors_conv_27) & ~1);
+               CHECK_ACCESS(descriptors_conv_27_ptr);
+               LDKSpendableOutputDescriptor descriptors_conv_27_conv = *(LDKSpendableOutputDescriptor*)(descriptors_conv_27_ptr);
                descriptors_conv_27_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)descriptors_conv_27) & ~1));
                descriptors_constr.data[b] = descriptors_conv_27_conv;
        }
@@ -18628,7 +19189,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_KeysManager_1spend_1spendab
        int64_t* outputs_vals = (*env)->GetLongArrayElements (env, outputs, NULL);
        for (size_t h = 0; h < outputs_constr.datalen; h++) {
                int64_t outputs_conv_7 = outputs_vals[h];
-               LDKTxOut outputs_conv_7_conv = *(LDKTxOut*)(((uint64_t)outputs_conv_7) & ~1);
+               void* outputs_conv_7_ptr = (void*)(((uint64_t)outputs_conv_7) & ~1);
+               CHECK_ACCESS(outputs_conv_7_ptr);
+               LDKTxOut outputs_conv_7_conv = *(LDKTxOut*)(outputs_conv_7_ptr);
                outputs_conv_7_conv = TxOut_clone((LDKTxOut*)(((uint64_t)outputs_conv_7) & ~1));
                outputs_constr.data[h] = outputs_conv_7_conv;
        }
@@ -19091,7 +19654,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1set_1short_1ch
        LDKChannelDetails this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        ChannelDetails_set_short_channel_id(&this_ptr_conv, val_conv);
 }
@@ -19125,7 +19690,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1set_1unspendab
        LDKChannelDetails this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        ChannelDetails_set_unspendable_punishment_reserve(&this_ptr_conv, val_conv);
 }
@@ -19189,7 +19756,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1set_1confirmat
        LDKChannelDetails this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u32Z val_conv = *(LDKCOption_u32Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u32Z val_conv = *(LDKCOption_u32Z*)(val_ptr);
        val_conv = COption_u32Z_clone((LDKCOption_u32Z*)(((uint64_t)val) & ~1));
        ChannelDetails_set_confirmations_required(&this_ptr_conv, val_conv);
 }
@@ -19208,7 +19777,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1set_1force_1cl
        LDKChannelDetails this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u16Z val_conv = *(LDKCOption_u16Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u16Z val_conv = *(LDKCOption_u16Z*)(val_ptr);
        val_conv = COption_u16Z_clone((LDKCOption_u16Z*)(((uint64_t)val) & ~1));
        ChannelDetails_set_force_close_spend_delay(&this_ptr_conv, val_conv);
 }
@@ -19285,12 +19856,20 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1new(JNIEnv
        funding_txo_arg_conv.inner = (void*)(funding_txo_arg & (~1));
        funding_txo_arg_conv.is_owned = (funding_txo_arg & 1) || (funding_txo_arg == 0);
        funding_txo_arg_conv = OutPoint_clone(&funding_txo_arg_conv);
-       LDKCOption_u64Z short_channel_id_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)short_channel_id_arg) & ~1);
+       void* short_channel_id_arg_ptr = (void*)(((uint64_t)short_channel_id_arg) & ~1);
+       CHECK_ACCESS(short_channel_id_arg_ptr);
+       LDKCOption_u64Z short_channel_id_arg_conv = *(LDKCOption_u64Z*)(short_channel_id_arg_ptr);
        short_channel_id_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)short_channel_id_arg) & ~1));
-       LDKCOption_u64Z unspendable_punishment_reserve_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)unspendable_punishment_reserve_arg) & ~1);
-       LDKCOption_u32Z confirmations_required_arg_conv = *(LDKCOption_u32Z*)(((uint64_t)confirmations_required_arg) & ~1);
+       void* unspendable_punishment_reserve_arg_ptr = (void*)(((uint64_t)unspendable_punishment_reserve_arg) & ~1);
+       CHECK_ACCESS(unspendable_punishment_reserve_arg_ptr);
+       LDKCOption_u64Z unspendable_punishment_reserve_arg_conv = *(LDKCOption_u64Z*)(unspendable_punishment_reserve_arg_ptr);
+       void* confirmations_required_arg_ptr = (void*)(((uint64_t)confirmations_required_arg) & ~1);
+       CHECK_ACCESS(confirmations_required_arg_ptr);
+       LDKCOption_u32Z confirmations_required_arg_conv = *(LDKCOption_u32Z*)(confirmations_required_arg_ptr);
        confirmations_required_arg_conv = COption_u32Z_clone((LDKCOption_u32Z*)(((uint64_t)confirmations_required_arg) & ~1));
-       LDKCOption_u16Z force_close_spend_delay_arg_conv = *(LDKCOption_u16Z*)(((uint64_t)force_close_spend_delay_arg) & ~1);
+       void* force_close_spend_delay_arg_ptr = (void*)(((uint64_t)force_close_spend_delay_arg) & ~1);
+       CHECK_ACCESS(force_close_spend_delay_arg_ptr);
+       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*)(((uint64_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, 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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -19318,7 +19897,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelDetails_1clone(JNIEn
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKPaymentSendFailure this_ptr_conv = *(LDKPaymentSendFailure*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKPaymentSendFailure this_ptr_conv = *(LDKPaymentSendFailure*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        PaymentSendFailure_free(this_ptr_conv);
 }
@@ -19332,7 +19913,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1clone(J
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1parameter_1error(JNIEnv *env, jclass clz, int64_t a) {
-       LDKAPIError a_conv = *(LDKAPIError*)(((uint64_t)a) & ~1);
+       void* a_ptr = (void*)(((uint64_t)a) & ~1);
+       CHECK_ACCESS(a_ptr);
+       LDKAPIError a_conv = *(LDKAPIError*)(a_ptr);
        a_conv = APIError_clone((LDKAPIError*)(((uint64_t)a) & ~1));
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = PaymentSendFailure_parameter_error(a_conv);
@@ -19350,7 +19933,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1path_1p
        int64_t* a_vals = (*env)->GetLongArrayElements (env, a, NULL);
        for (size_t w = 0; w < a_constr.datalen; w++) {
                int64_t a_conv_22 = a_vals[w];
-               LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1);
+               void* a_conv_22_ptr = (void*)(((uint64_t)a_conv_22) & ~1);
+               CHECK_ACCESS(a_conv_22_ptr);
+               LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(a_conv_22_ptr);
                a_conv_22_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1));
                a_constr.data[w] = a_conv_22_conv;
        }
@@ -19371,7 +19956,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1all_1fa
        int64_t* a_vals = (*env)->GetLongArrayElements (env, a, NULL);
        for (size_t k = 0; k < a_constr.datalen; k++) {
                int64_t a_conv_10 = a_vals[k];
-               LDKAPIError a_conv_10_conv = *(LDKAPIError*)(((uint64_t)a_conv_10) & ~1);
+               void* a_conv_10_ptr = (void*)(((uint64_t)a_conv_10) & ~1);
+               CHECK_ACCESS(a_conv_10_ptr);
+               LDKAPIError a_conv_10_conv = *(LDKAPIError*)(a_conv_10_ptr);
                a_conv_10_conv = APIError_clone((LDKAPIError*)(((uint64_t)a_conv_10) & ~1));
                a_constr.data[k] = a_conv_10_conv;
        }
@@ -19392,7 +19979,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1partial
        int64_t* a_vals = (*env)->GetLongArrayElements (env, a, NULL);
        for (size_t w = 0; w < a_constr.datalen; w++) {
                int64_t a_conv_22 = a_vals[w];
-               LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1);
+               void* a_conv_22_ptr = (void*)(((uint64_t)a_conv_22) & ~1);
+               CHECK_ACCESS(a_conv_22_ptr);
+               LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(a_conv_22_ptr);
                a_conv_22_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1));
                a_constr.data[w] = a_conv_22_conv;
        }
@@ -19404,27 +19993,37 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1partial
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1new(JNIEnv *env, jclass clz, int64_t fee_est, int64_t chain_monitor, int64_t tx_broadcaster, int64_t logger, int64_t keys_manager, int64_t config, int64_t params) {
-       LDKFeeEstimator fee_est_conv = *(LDKFeeEstimator*)(((uint64_t)fee_est) & ~1);
+       void* fee_est_ptr = (void*)(((uint64_t)fee_est) & ~1);
+       CHECK_ACCESS(fee_est_ptr);
+       LDKFeeEstimator fee_est_conv = *(LDKFeeEstimator*)(fee_est_ptr);
        if (fee_est_conv.free == LDKFeeEstimator_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFeeEstimator_JCalls_cloned(&fee_est_conv);
        }
-       LDKWatch chain_monitor_conv = *(LDKWatch*)(((uint64_t)chain_monitor) & ~1);
+       void* chain_monitor_ptr = (void*)(((uint64_t)chain_monitor) & ~1);
+       CHECK_ACCESS(chain_monitor_ptr);
+       LDKWatch chain_monitor_conv = *(LDKWatch*)(chain_monitor_ptr);
        if (chain_monitor_conv.free == LDKWatch_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKWatch_JCalls_cloned(&chain_monitor_conv);
        }
-       LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)tx_broadcaster) & ~1);
+       void* tx_broadcaster_ptr = (void*)(((uint64_t)tx_broadcaster) & ~1);
+       CHECK_ACCESS(tx_broadcaster_ptr);
+       LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(tx_broadcaster_ptr);
        if (tx_broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKBroadcasterInterface_JCalls_cloned(&tx_broadcaster_conv);
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
        }
-       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
+       void* keys_manager_ptr = (void*)(((uint64_t)keys_manager) & ~1);
+       CHECK_ACCESS(keys_manager_ptr);
+       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(keys_manager_ptr);
        if (keys_manager_conv.free == LDKKeysInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKKeysInterface_JCalls_cloned(&keys_manager_conv);
@@ -19653,7 +20252,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManager_1broadcast_1nod
        int64_t* addresses_vals = (*env)->GetLongArrayElements (env, addresses, NULL);
        for (size_t m = 0; m < addresses_constr.datalen; m++) {
                int64_t addresses_conv_12 = addresses_vals[m];
-               LDKNetAddress addresses_conv_12_conv = *(LDKNetAddress*)(((uint64_t)addresses_conv_12) & ~1);
+               void* addresses_conv_12_ptr = (void*)(((uint64_t)addresses_conv_12) & ~1);
+               CHECK_ACCESS(addresses_conv_12_ptr);
+               LDKNetAddress addresses_conv_12_conv = *(LDKNetAddress*)(addresses_conv_12_ptr);
                addresses_constr.data[m] = addresses_conv_12_conv;
        }
        (*env)->ReleaseLongArrayElements(env, addresses, addresses_vals, 0);
@@ -19720,7 +20321,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inb
        LDKChannelManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKCOption_u64Z min_value_msat_conv = *(LDKCOption_u64Z*)(((uint64_t)min_value_msat) & ~1);
+       void* min_value_msat_ptr = (void*)(((uint64_t)min_value_msat) & ~1);
+       CHECK_ACCESS(min_value_msat_ptr);
+       LDKCOption_u64Z min_value_msat_conv = *(LDKCOption_u64Z*)(min_value_msat_ptr);
        min_value_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)min_value_msat) & ~1));
        LDKC2Tuple_PaymentHashPaymentSecretZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentSecretZ), "LDKC2Tuple_PaymentHashPaymentSecretZ");
        *ret_conv = ChannelManager_create_inbound_payment(&this_arg_conv, min_value_msat_conv, invoice_expiry_delta_secs, user_payment_id);
@@ -19734,7 +20337,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1create_1inb
        LDKThirtyTwoBytes payment_hash_ref;
        CHECK((*env)->GetArrayLength(env, payment_hash) == 32);
        (*env)->GetByteArrayRegion(env, payment_hash, 0, 32, payment_hash_ref.data);
-       LDKCOption_u64Z min_value_msat_conv = *(LDKCOption_u64Z*)(((uint64_t)min_value_msat) & ~1);
+       void* min_value_msat_ptr = (void*)(((uint64_t)min_value_msat) & ~1);
+       CHECK_ACCESS(min_value_msat_ptr);
+       LDKCOption_u64Z min_value_msat_conv = *(LDKCOption_u64Z*)(min_value_msat_ptr);
        min_value_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)min_value_msat) & ~1));
        LDKCResult_PaymentSecretAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretAPIErrorZ), "LDKCResult_PaymentSecretAPIErrorZ");
        *ret_conv = ChannelManager_create_inbound_payment_for_hash(&this_arg_conv, payment_hash_ref, min_value_msat_conv, invoice_expiry_delta_secs, user_payment_id);
@@ -19845,7 +20450,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1k
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKKeysInterface val_conv = *(LDKKeysInterface*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKKeysInterface val_conv = *(LDKKeysInterface*)(val_ptr);
        if (val_conv.free == LDKKeysInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKKeysInterface_JCalls_cloned(&val_conv);
@@ -19865,7 +20472,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1f
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKFeeEstimator val_conv = *(LDKFeeEstimator*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKFeeEstimator val_conv = *(LDKFeeEstimator*)(val_ptr);
        if (val_conv.free == LDKFeeEstimator_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFeeEstimator_JCalls_cloned(&val_conv);
@@ -19885,7 +20494,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1c
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKWatch val_conv = *(LDKWatch*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKWatch val_conv = *(LDKWatch*)(val_ptr);
        if (val_conv.free == LDKWatch_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKWatch_JCalls_cloned(&val_conv);
@@ -19905,7 +20516,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1t
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKBroadcasterInterface val_conv = *(LDKBroadcasterInterface*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKBroadcasterInterface val_conv = *(LDKBroadcasterInterface*)(val_ptr);
        if (val_conv.free == LDKBroadcasterInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKBroadcasterInterface_JCalls_cloned(&val_conv);
@@ -19925,7 +20538,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1l
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKLogger val_conv = *(LDKLogger*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKLogger val_conv = *(LDKLogger*)(val_ptr);
        if (val_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&val_conv);
@@ -19959,27 +20574,37 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1d
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1new(JNIEnv *env, jclass clz, int64_t keys_manager, int64_t fee_estimator, int64_t chain_monitor, int64_t tx_broadcaster, int64_t logger, int64_t default_config, int64_tArray channel_monitors) {
-       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
+       void* keys_manager_ptr = (void*)(((uint64_t)keys_manager) & ~1);
+       CHECK_ACCESS(keys_manager_ptr);
+       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(keys_manager_ptr);
        if (keys_manager_conv.free == LDKKeysInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKKeysInterface_JCalls_cloned(&keys_manager_conv);
        }
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
        if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
        }
-       LDKWatch chain_monitor_conv = *(LDKWatch*)(((uint64_t)chain_monitor) & ~1);
+       void* chain_monitor_ptr = (void*)(((uint64_t)chain_monitor) & ~1);
+       CHECK_ACCESS(chain_monitor_ptr);
+       LDKWatch chain_monitor_conv = *(LDKWatch*)(chain_monitor_ptr);
        if (chain_monitor_conv.free == LDKWatch_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKWatch_JCalls_cloned(&chain_monitor_conv);
        }
-       LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)tx_broadcaster) & ~1);
+       void* tx_broadcaster_ptr = (void*)(((uint64_t)tx_broadcaster) & ~1);
+       CHECK_ACCESS(tx_broadcaster_ptr);
+       LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(tx_broadcaster_ptr);
        if (tx_broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKBroadcasterInterface_JCalls_cloned(&tx_broadcaster_conv);
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
@@ -22256,7 +22881,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_AnnouncementSignatures_1clo
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetAddress_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKNetAddress this_ptr_conv = *(LDKNetAddress*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKNetAddress this_ptr_conv = *(LDKNetAddress*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        NetAddress_free(this_ptr_conv);
 }
@@ -22455,7 +23082,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_UnsignedNodeAnnouncement_1set_
        int64_t* val_vals = (*env)->GetLongArrayElements (env, val, NULL);
        for (size_t m = 0; m < val_constr.datalen; m++) {
                int64_t val_conv_12 = val_vals[m];
-               LDKNetAddress val_conv_12_conv = *(LDKNetAddress*)(((uint64_t)val_conv_12) & ~1);
+               void* val_conv_12_ptr = (void*)(((uint64_t)val_conv_12) & ~1);
+               CHECK_ACCESS(val_conv_12_ptr);
+               LDKNetAddress val_conv_12_conv = *(LDKNetAddress*)(val_conv_12_ptr);
                val_conv_12_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)val_conv_12) & ~1));
                val_constr.data[m] = val_conv_12_conv;
        }
@@ -23547,7 +24176,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_GossipTimestampFilter_1clon
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ErrorAction_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKErrorAction this_ptr_conv = *(LDKErrorAction*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKErrorAction this_ptr_conv = *(LDKErrorAction*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        ErrorAction_free(this_ptr_conv);
 }
@@ -23636,14 +24267,18 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_LightningError_1set_1action(JN
        LDKLightningError this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKErrorAction val_conv = *(LDKErrorAction*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKErrorAction val_conv = *(LDKErrorAction*)(val_ptr);
        val_conv = ErrorAction_clone((LDKErrorAction*)(((uint64_t)val) & ~1));
        LightningError_set_action(&this_ptr_conv, val_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LightningError_1new(JNIEnv *env, jclass clz, jstring err_arg, int64_t action_arg) {
        LDKStr err_arg_conv = java_to_owned_str(env, err_arg);
-       LDKErrorAction action_arg_conv = *(LDKErrorAction*)(((uint64_t)action_arg) & ~1);
+       void* action_arg_ptr = (void*)(((uint64_t)action_arg) & ~1);
+       CHECK_ACCESS(action_arg_ptr);
+       LDKErrorAction action_arg_conv = *(LDKErrorAction*)(action_arg_ptr);
        action_arg_conv = ErrorAction_clone((LDKErrorAction*)(((uint64_t)action_arg) & ~1));
        LDKLightningError ret_var = LightningError_new(err_arg_conv, action_arg_conv);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -24005,14 +24640,18 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CommitmentUpdate_1clone(JNI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKChannelMessageHandler this_ptr_conv = *(LDKChannelMessageHandler*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKChannelMessageHandler this_ptr_conv = *(LDKChannelMessageHandler*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        ChannelMessageHandler_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKRoutingMessageHandler this_ptr_conv = *(LDKRoutingMessageHandler*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKRoutingMessageHandler this_ptr_conv = *(LDKRoutingMessageHandler*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        RoutingMessageHandler_free(this_ptr_conv);
 }
@@ -24699,7 +25338,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_GossipTimestampFilter_1read
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CustomMessageHandler_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKCustomMessageHandler this_ptr_conv = *(LDKCustomMessageHandler*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKCustomMessageHandler this_ptr_conv = *(LDKCustomMessageHandler*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        CustomMessageHandler_free(this_ptr_conv);
 }
@@ -24813,7 +25454,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageHandler_1set_1chan_1han
        LDKMessageHandler this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKChannelMessageHandler val_conv = *(LDKChannelMessageHandler*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKChannelMessageHandler val_conv = *(LDKChannelMessageHandler*)(val_ptr);
        if (val_conv.free == LDKChannelMessageHandler_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKChannelMessageHandler_JCalls_cloned(&val_conv);
@@ -24833,7 +25476,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageHandler_1set_1route_1ha
        LDKMessageHandler this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKRoutingMessageHandler val_conv = *(LDKRoutingMessageHandler*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKRoutingMessageHandler val_conv = *(LDKRoutingMessageHandler*)(val_ptr);
        if (val_conv.free == LDKRoutingMessageHandler_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKRoutingMessageHandler_JCalls_cloned(&val_conv);
@@ -24842,12 +25487,16 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageHandler_1set_1route_1ha
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageHandler_1new(JNIEnv *env, jclass clz, int64_t chan_handler_arg, int64_t route_handler_arg) {
-       LDKChannelMessageHandler chan_handler_arg_conv = *(LDKChannelMessageHandler*)(((uint64_t)chan_handler_arg) & ~1);
+       void* chan_handler_arg_ptr = (void*)(((uint64_t)chan_handler_arg) & ~1);
+       CHECK_ACCESS(chan_handler_arg_ptr);
+       LDKChannelMessageHandler chan_handler_arg_conv = *(LDKChannelMessageHandler*)(chan_handler_arg_ptr);
        if (chan_handler_arg_conv.free == LDKChannelMessageHandler_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKChannelMessageHandler_JCalls_cloned(&chan_handler_arg_conv);
        }
-       LDKRoutingMessageHandler route_handler_arg_conv = *(LDKRoutingMessageHandler*)(((uint64_t)route_handler_arg) & ~1);
+       void* route_handler_arg_ptr = (void*)(((uint64_t)route_handler_arg) & ~1);
+       CHECK_ACCESS(route_handler_arg_ptr);
+       LDKRoutingMessageHandler route_handler_arg_conv = *(LDKRoutingMessageHandler*)(route_handler_arg_ptr);
        if (route_handler_arg_conv.free == LDKRoutingMessageHandler_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKRoutingMessageHandler_JCalls_cloned(&route_handler_arg_conv);
@@ -24863,7 +25512,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageHandler_1new(JNIEnv
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1clone(JNIEnv *env, jclass clz, int64_t orig) {
-       LDKSocketDescriptor* orig_conv = (LDKSocketDescriptor*)(((uint64_t)orig) & ~1);
+       void* orig_ptr = (void*)(((uint64_t)orig) & ~1);
+       if (!(orig & 1)) { CHECK_ACCESS(orig_ptr); }
+       LDKSocketDescriptor* orig_conv = (LDKSocketDescriptor*)orig_ptr;
        LDKSocketDescriptor* ret_ret =MALLOC(sizeof(LDKSocketDescriptor), "LDKSocketDescriptor");
        *ret_ret = SocketDescriptor_clone(orig_conv);
        return (uint64_t)ret_ret;
@@ -24871,7 +25522,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1clone(JNI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_SocketDescriptor_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKSocketDescriptor this_ptr_conv = *(LDKSocketDescriptor*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKSocketDescriptor this_ptr_conv = *(LDKSocketDescriptor*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        SocketDescriptor_free(this_ptr_conv);
 }
@@ -24942,12 +25595,16 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new(JNIEnv *en
        CHECK((*env)->GetArrayLength(env, ephemeral_random_data) == 32);
        (*env)->GetByteArrayRegion(env, ephemeral_random_data, 0, 32, ephemeral_random_data_arr);
        unsigned char (*ephemeral_random_data_ref)[32] = &ephemeral_random_data_arr;
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
        }
-       LDKCustomMessageHandler custom_message_handler_conv = *(LDKCustomMessageHandler*)(((uint64_t)custom_message_handler) & ~1);
+       void* custom_message_handler_ptr = (void*)(((uint64_t)custom_message_handler) & ~1);
+       CHECK_ACCESS(custom_message_handler_ptr);
+       LDKCustomMessageHandler custom_message_handler_conv = *(LDKCustomMessageHandler*)(custom_message_handler_ptr);
        if (custom_message_handler_conv.free == LDKCustomMessageHandler_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKCustomMessageHandler_JCalls_cloned(&custom_message_handler_conv);
@@ -24985,7 +25642,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new_1outbound_
        LDKPublicKey their_node_id_ref;
        CHECK((*env)->GetArrayLength(env, their_node_id) == 33);
        (*env)->GetByteArrayRegion(env, their_node_id, 0, 33, their_node_id_ref.compressed_form);
-       LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
+       void* descriptor_ptr = (void*)(((uint64_t)descriptor) & ~1);
+       CHECK_ACCESS(descriptor_ptr);
+       LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(descriptor_ptr);
        if (descriptor_conv.free == LDKSocketDescriptor_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKSocketDescriptor_JCalls_cloned(&descriptor_conv);
@@ -24999,7 +25658,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new_1inbound_1
        LDKPeerManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
+       void* descriptor_ptr = (void*)(((uint64_t)descriptor) & ~1);
+       CHECK_ACCESS(descriptor_ptr);
+       LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(descriptor_ptr);
        if (descriptor_conv.free == LDKSocketDescriptor_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKSocketDescriptor_JCalls_cloned(&descriptor_conv);
@@ -25013,7 +25674,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1write_1buffer_
        LDKPeerManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKSocketDescriptor* descriptor_conv = (LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
+       void* descriptor_ptr = (void*)(((uint64_t)descriptor) & ~1);
+       if (!(descriptor & 1)) { CHECK_ACCESS(descriptor_ptr); }
+       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 (uint64_t)ret_conv;
@@ -25023,7 +25686,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1read_1event(JN
        LDKPeerManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKSocketDescriptor* peer_descriptor_conv = (LDKSocketDescriptor*)(((uint64_t)peer_descriptor) & ~1);
+       void* peer_descriptor_ptr = (void*)(((uint64_t)peer_descriptor) & ~1);
+       if (!(peer_descriptor & 1)) { CHECK_ACCESS(peer_descriptor_ptr); }
+       LDKSocketDescriptor* peer_descriptor_conv = (LDKSocketDescriptor*)peer_descriptor_ptr;
        LDKu8slice data_ref;
        data_ref.datalen = (*env)->GetArrayLength(env, data);
        data_ref.data = (*env)->GetByteArrayElements (env, data, NULL);
@@ -25044,7 +25709,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PeerManager_1socket_1disconnec
        LDKPeerManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKSocketDescriptor* descriptor_conv = (LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
+       void* descriptor_ptr = (void*)(((uint64_t)descriptor) & ~1);
+       if (!(descriptor & 1)) { CHECK_ACCESS(descriptor_ptr); }
+       LDKSocketDescriptor* descriptor_conv = (LDKSocketDescriptor*)descriptor_ptr;
        PeerManager_socket_disconnected(&this_arg_conv, descriptor_conv);
 }
 
@@ -25607,7 +26274,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_HTLCOutputInCommitment_1set_1t
        LDKHTLCOutputInCommitment this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u32Z val_conv = *(LDKCOption_u32Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u32Z val_conv = *(LDKCOption_u32Z*)(val_ptr);
        val_conv = COption_u32Z_clone((LDKCOption_u32Z*)(((uint64_t)val) & ~1));
        HTLCOutputInCommitment_set_transaction_output_index(&this_ptr_conv, val_conv);
 }
@@ -25616,7 +26285,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCOutputInCommitment_1new
        LDKThirtyTwoBytes payment_hash_arg_ref;
        CHECK((*env)->GetArrayLength(env, payment_hash_arg) == 32);
        (*env)->GetByteArrayRegion(env, payment_hash_arg, 0, 32, payment_hash_arg_ref.data);
-       LDKCOption_u32Z transaction_output_index_arg_conv = *(LDKCOption_u32Z*)(((uint64_t)transaction_output_index_arg) & ~1);
+       void* transaction_output_index_arg_ptr = (void*)(((uint64_t)transaction_output_index_arg) & ~1);
+       CHECK_ACCESS(transaction_output_index_arg_ptr);
+       LDKCOption_u32Z transaction_output_index_arg_conv = *(LDKCOption_u32Z*)(transaction_output_index_arg_ptr);
        transaction_output_index_arg_conv = COption_u32Z_clone((LDKCOption_u32Z*)(((uint64_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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -26338,6 +27009,28 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1free(JNIEn
        ClosingTransaction_free(this_obj_conv);
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1clone(JNIEnv *env, jclass clz, int64_t orig) {
+       LDKClosingTransaction orig_conv;
+       orig_conv.inner = (void*)(orig & (~1));
+       orig_conv.is_owned = false;
+       LDKClosingTransaction ret_var = ClosingTransaction_clone(&orig_conv);
+       CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
+       CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
+       uint64_t ret_ref = (uint64_t)ret_var.inner;
+       if (ret_var.is_owned) {
+               ret_ref |= 1;
+       }
+       return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1hash(JNIEnv *env, jclass clz, int64_t o) {
+       LDKClosingTransaction o_conv;
+       o_conv.inner = (void*)(o & (~1));
+       o_conv.is_owned = false;
+       int64_t ret_val = ClosingTransaction_hash(&o_conv);
+       return ret_val;
+}
+
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1new(JNIEnv *env, jclass clz, int64_t to_holder_value_sat, int64_t to_counterparty_value_sat, int8_tArray to_holder_script, int8_tArray to_counterparty_script, int64_t funding_outpoint) {
        LDKCVec_u8Z to_holder_script_ref;
        to_holder_script_ref.datalen = (*env)->GetArrayLength(env, to_holder_script);
@@ -27069,6 +27762,20 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvalidShutdownScript_1new(
        return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_InvalidShutdownScript_1clone(JNIEnv *env, jclass clz, int64_t orig) {
+       LDKInvalidShutdownScript orig_conv;
+       orig_conv.inner = (void*)(orig & (~1));
+       orig_conv.is_owned = false;
+       LDKInvalidShutdownScript ret_var = InvalidShutdownScript_clone(&orig_conv);
+       CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
+       CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
+       uint64_t ret_ref = (uint64_t)ret_var.inner;
+       if (ret_var.is_owned) {
+               ret_ref |= 1;
+       }
+       return ret_ref;
+}
+
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1write(JNIEnv *env, jclass clz, int64_t obj) {
        LDKShutdownScript obj_conv;
        obj_conv.inner = (void*)(obj & (~1));
@@ -27164,13 +27871,17 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_ShutdownScript_1is_1compat
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CustomMessageReader_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKCustomMessageReader this_ptr_conv = *(LDKCustomMessageReader*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKCustomMessageReader this_ptr_conv = *(LDKCustomMessageReader*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        CustomMessageReader_free(this_ptr_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Type_1clone(JNIEnv *env, jclass clz, int64_t orig) {
-       LDKType* orig_conv = (LDKType*)(((uint64_t)orig) & ~1);
+       void* orig_ptr = (void*)(((uint64_t)orig) & ~1);
+       if (!(orig & 1)) { CHECK_ACCESS(orig_ptr); }
+       LDKType* orig_conv = (LDKType*)orig_ptr;
        LDKType* ret_ret =MALLOC(sizeof(LDKType), "LDKType");
        *ret_ret = Type_clone(orig_conv);
        return (uint64_t)ret_ret;
@@ -27178,14 +27889,18 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Type_1clone(JNIEnv *env, jc
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Type_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKType this_ptr_conv = *(LDKType*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKType this_ptr_conv = *(LDKType*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Type_free(this_ptr_conv);
 }
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Score_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKScore this_ptr_conv = *(LDKScore*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKScore this_ptr_conv = *(LDKScore*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Score_free(this_ptr_conv);
 }
@@ -27294,7 +28009,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ReadOnlyNetworkGraph_1free(JNI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetworkUpdate_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKNetworkUpdate this_ptr_conv = *(LDKNetworkUpdate*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKNetworkUpdate this_ptr_conv = *(LDKNetworkUpdate*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        NetworkUpdate_free(this_ptr_conv);
 }
@@ -27390,7 +28107,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1new(JNI
        network_graph_conv.inner = (void*)(network_graph & (~1));
        network_graph_conv.is_owned = (network_graph & 1) || (network_graph == 0);
        network_graph_conv = NetworkGraph_clone(&network_graph_conv);
-       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(((uint64_t)chain_access) & ~1);
+       void* chain_access_ptr = (void*)(((uint64_t)chain_access) & ~1);
+       CHECK_ACCESS(chain_access_ptr);
+       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(chain_access_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_AccessZ
        if (chain_access_conv.tag == LDKCOption_AccessZ_Some) {
                // Manually implement clone for Java trait instances
@@ -27399,7 +28118,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1new(JNI
                        LDKAccess_JCalls_cloned(&chain_access_conv.some);
                }
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
@@ -27418,7 +28139,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1add_1chain
        LDKNetGraphMsgHandler this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(((uint64_t)chain_access) & ~1);
+       void* chain_access_ptr = (void*)(((uint64_t)chain_access) & ~1);
+       CHECK_ACCESS(chain_access_ptr);
+       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(chain_access_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_AccessZ
        if (chain_access_conv.tag == LDKCOption_AccessZ_Some) {
                // Manually implement clone for Java trait instances
@@ -27529,7 +28252,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DirectionalChannelInfo_1set_1h
        LDKDirectionalChannelInfo this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        DirectionalChannelInfo_set_htlc_maximum_msat(&this_ptr_conv, val_conv);
 }
@@ -27585,7 +28310,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_DirectionalChannelInfo_1set_1l
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_DirectionalChannelInfo_1new(JNIEnv *env, jclass clz, int32_t last_update_arg, jboolean enabled_arg, int16_t cltv_expiry_delta_arg, int64_t htlc_minimum_msat_arg, int64_t htlc_maximum_msat_arg, int64_t fees_arg, int64_t last_update_message_arg) {
-       LDKCOption_u64Z htlc_maximum_msat_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)htlc_maximum_msat_arg) & ~1);
+       void* htlc_maximum_msat_arg_ptr = (void*)(((uint64_t)htlc_maximum_msat_arg) & ~1);
+       CHECK_ACCESS(htlc_maximum_msat_arg_ptr);
+       LDKCOption_u64Z htlc_maximum_msat_arg_conv = *(LDKCOption_u64Z*)(htlc_maximum_msat_arg_ptr);
        htlc_maximum_msat_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)htlc_maximum_msat_arg) & ~1));
        LDKRoutingFees fees_arg_conv;
        fees_arg_conv.inner = (void*)(fees_arg & (~1));
@@ -27786,7 +28513,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1set_1capacity_1sa
        LDKChannelInfo this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        ChannelInfo_set_capacity_sats(&this_ptr_conv, val_conv);
 }
@@ -27837,7 +28566,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelInfo_1new(JNIEnv *en
        two_to_one_arg_conv.inner = (void*)(two_to_one_arg & (~1));
        two_to_one_arg_conv.is_owned = (two_to_one_arg & 1) || (two_to_one_arg == 0);
        two_to_one_arg_conv = DirectionalChannelInfo_clone(&two_to_one_arg_conv);
-       LDKCOption_u64Z capacity_sats_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)capacity_sats_arg) & ~1);
+       void* capacity_sats_arg_ptr = (void*)(((uint64_t)capacity_sats_arg) & ~1);
+       CHECK_ACCESS(capacity_sats_arg_ptr);
+       LDKCOption_u64Z capacity_sats_arg_conv = *(LDKCOption_u64Z*)(capacity_sats_arg_ptr);
        capacity_sats_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)capacity_sats_arg) & ~1));
        LDKChannelAnnouncement announcement_message_arg_conv;
        announcement_message_arg_conv.inner = (void*)(announcement_message_arg & (~1));
@@ -28088,7 +28819,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1set_1add
        int64_t* val_vals = (*env)->GetLongArrayElements (env, val, NULL);
        for (size_t m = 0; m < val_constr.datalen; m++) {
                int64_t val_conv_12 = val_vals[m];
-               LDKNetAddress val_conv_12_conv = *(LDKNetAddress*)(((uint64_t)val_conv_12) & ~1);
+               void* val_conv_12_ptr = (void*)(((uint64_t)val_conv_12) & ~1);
+               CHECK_ACCESS(val_conv_12_ptr);
+               LDKNetAddress val_conv_12_conv = *(LDKNetAddress*)(val_conv_12_ptr);
                val_conv_12_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)val_conv_12) & ~1));
                val_constr.data[m] = val_conv_12_conv;
        }
@@ -28141,7 +28874,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NodeAnnouncementInfo_1new(J
        int64_t* addresses_arg_vals = (*env)->GetLongArrayElements (env, addresses_arg, NULL);
        for (size_t m = 0; m < addresses_arg_constr.datalen; m++) {
                int64_t addresses_arg_conv_12 = addresses_arg_vals[m];
-               LDKNetAddress addresses_arg_conv_12_conv = *(LDKNetAddress*)(((uint64_t)addresses_arg_conv_12) & ~1);
+               void* addresses_arg_conv_12_ptr = (void*)(((uint64_t)addresses_arg_conv_12) & ~1);
+               CHECK_ACCESS(addresses_arg_conv_12_ptr);
+               LDKNetAddress addresses_arg_conv_12_conv = *(LDKNetAddress*)(addresses_arg_conv_12_ptr);
                addresses_arg_constr.data[m] = addresses_arg_conv_12_conv;
        }
        (*env)->ReleaseLongArrayElements(env, addresses_arg, addresses_arg_vals, 0);
@@ -28416,7 +29151,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1chann
        LDKChannelAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
-       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(((uint64_t)chain_access) & ~1);
+       void* chain_access_ptr = (void*)(((uint64_t)chain_access) & ~1);
+       CHECK_ACCESS(chain_access_ptr);
+       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(chain_access_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_AccessZ
        if (chain_access_conv.tag == LDKCOption_AccessZ_Some) {
                // Manually implement clone for Java trait instances
@@ -28437,7 +29174,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1chann
        LDKUnsignedChannelAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
-       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(((uint64_t)chain_access) & ~1);
+       void* chain_access_ptr = (void*)(((uint64_t)chain_access) & ~1);
+       CHECK_ACCESS(chain_access_ptr);
+       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(chain_access_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_AccessZ
        if (chain_access_conv.tag == LDKCOption_AccessZ_Some) {
                // Manually implement clone for Java trait instances
@@ -29013,7 +29752,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1set_1htlc_1minim
        LDKRouteHintHop this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        RouteHintHop_set_htlc_minimum_msat(&this_ptr_conv, val_conv);
 }
@@ -29032,7 +29773,9 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1set_1htlc_1maxim
        LDKRouteHintHop this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        RouteHintHop_set_htlc_maximum_msat(&this_ptr_conv, val_conv);
 }
@@ -29045,9 +29788,13 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RouteHintHop_1new(JNIEnv *e
        fees_arg_conv.inner = (void*)(fees_arg & (~1));
        fees_arg_conv.is_owned = (fees_arg & 1) || (fees_arg == 0);
        fees_arg_conv = RoutingFees_clone(&fees_arg_conv);
-       LDKCOption_u64Z htlc_minimum_msat_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)htlc_minimum_msat_arg) & ~1);
+       void* htlc_minimum_msat_arg_ptr = (void*)(((uint64_t)htlc_minimum_msat_arg) & ~1);
+       CHECK_ACCESS(htlc_minimum_msat_arg_ptr);
+       LDKCOption_u64Z htlc_minimum_msat_arg_conv = *(LDKCOption_u64Z*)(htlc_minimum_msat_arg_ptr);
        htlc_minimum_msat_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)htlc_minimum_msat_arg) & ~1));
-       LDKCOption_u64Z htlc_maximum_msat_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)htlc_maximum_msat_arg) & ~1);
+       void* htlc_maximum_msat_arg_ptr = (void*)(((uint64_t)htlc_maximum_msat_arg) & ~1);
+       CHECK_ACCESS(htlc_maximum_msat_arg_ptr);
+       LDKCOption_u64Z htlc_maximum_msat_arg_conv = *(LDKCOption_u64Z*)(htlc_maximum_msat_arg_ptr);
        htlc_maximum_msat_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -29137,12 +29884,16 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_get_1keysend_1route(JNIEnv
                last_hops_constr.data[l] = last_hops_conv_11_conv;
        }
        (*env)->ReleaseLongArrayElements(env, last_hops, last_hops_vals, 0);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
        }
-       LDKScore* scorer_conv = (LDKScore*)(((uint64_t)scorer) & ~1);
+       void* scorer_ptr = (void*)(((uint64_t)scorer) & ~1);
+       if (!(scorer & 1)) { CHECK_ACCESS(scorer_ptr); }
+       LDKScore* scorer_conv = (LDKScore*)scorer_ptr;
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = get_keysend_route(our_node_pubkey_ref, &network_conv, payee_ref, first_hops_ptr, last_hops_constr, final_value_msat, final_cltv, logger_conv, scorer_conv);
        if (first_hops_ptr != NULL) { FREE(first_hops_constr.data); }
@@ -29198,12 +29949,16 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_get_1route(JNIEnv *env, jcl
                last_hops_constr.data[l] = last_hops_conv_11_conv;
        }
        (*env)->ReleaseLongArrayElements(env, last_hops, last_hops_vals, 0);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
        }
-       LDKScore* scorer_conv = (LDKScore*)(((uint64_t)scorer) & ~1);
+       void* scorer_ptr = (void*)(((uint64_t)scorer) & ~1);
+       if (!(scorer & 1)) { CHECK_ACCESS(scorer_ptr); }
+       LDKScore* scorer_conv = (LDKScore*)scorer_ptr;
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = get_route(our_node_pubkey_ref, &network_conv, payee_ref, payee_features_conv, first_hops_ptr, last_hops_constr, final_value_msat, final_cltv, logger_conv, scorer_conv);
        if (first_hops_ptr != NULL) { FREE(first_hops_constr.data); }
@@ -29291,7 +30046,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1read_1
        LDKFilesystemPersister this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
+       void* keys_manager_ptr = (void*)(((uint64_t)keys_manager) & ~1);
+       CHECK_ACCESS(keys_manager_ptr);
+       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(keys_manager_ptr);
        if (keys_manager_conv.free == LDKKeysInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKKeysInterface_JCalls_cloned(&keys_manager_conv);
@@ -29319,18 +30076,24 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1free(JNIE
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerPersister_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKChannelManagerPersister this_ptr_conv = *(LDKChannelManagerPersister*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKChannelManagerPersister this_ptr_conv = *(LDKChannelManagerPersister*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        ChannelManagerPersister_free(this_ptr_conv);
 }
 
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1start(JNIEnv *env, jclass clz, int64_t persister, int64_t event_handler, int64_t chain_monitor, int64_t channel_manager, int64_t net_graph_msg_handler, int64_t peer_manager, int64_t logger) {
-       LDKChannelManagerPersister persister_conv = *(LDKChannelManagerPersister*)(((uint64_t)persister) & ~1);
+       void* persister_ptr = (void*)(((uint64_t)persister) & ~1);
+       CHECK_ACCESS(persister_ptr);
+       LDKChannelManagerPersister persister_conv = *(LDKChannelManagerPersister*)(persister_ptr);
        if (persister_conv.free == LDKChannelManagerPersister_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKChannelManagerPersister_JCalls_cloned(&persister_conv);
        }
-       LDKEventHandler event_handler_conv = *(LDKEventHandler*)(((uint64_t)event_handler) & ~1);
+       void* event_handler_ptr = (void*)(((uint64_t)event_handler) & ~1);
+       CHECK_ACCESS(event_handler_ptr);
+       LDKEventHandler event_handler_conv = *(LDKEventHandler*)(event_handler_ptr);
        if (event_handler_conv.free == LDKEventHandler_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKEventHandler_JCalls_cloned(&event_handler_conv);
@@ -29347,7 +30110,9 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1start(
        LDKPeerManager peer_manager_conv;
        peer_manager_conv.inner = (void*)(peer_manager & (~1));
        peer_manager_conv.is_owned = false;
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        if (logger_conv.free == LDKLogger_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKLogger_JCalls_cloned(&logger_conv);
@@ -29881,7 +30646,9 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_MinFinalCltvExpiry_1eq(JNI
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Fallback_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKFallback this_ptr_conv = *(LDKFallback*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKFallback this_ptr_conv = *(LDKFallback*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Fallback_free(this_ptr_conv);
 }
@@ -30614,7 +31381,9 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_SemanticError_1to_1str(JNIE
 
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKSignOrCreationError this_ptr_conv = *(LDKSignOrCreationError*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKSignOrCreationError this_ptr_conv = *(LDKSignOrCreationError*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        SignOrCreationError_free(this_ptr_conv);
 }
@@ -30661,13 +31430,17 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_create_1invoice_1from_1chan
        LDKChannelManager channelmanager_conv;
        channelmanager_conv.inner = (void*)(channelmanager & (~1));
        channelmanager_conv.is_owned = false;
-       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
+       void* keys_manager_ptr = (void*)(((uint64_t)keys_manager) & ~1);
+       CHECK_ACCESS(keys_manager_ptr);
+       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(keys_manager_ptr);
        if (keys_manager_conv.free == LDKKeysInterface_JCalls_free) {
                // If this_arg is a JCalls struct, then we need to increment the refcnt in it.
                LDKKeysInterface_JCalls_cloned(&keys_manager_conv);
        }
        LDKCurrency network_conv = LDKCurrency_from_java(env, network);
-       LDKCOption_u64Z amt_msat_conv = *(LDKCOption_u64Z*)(((uint64_t)amt_msat) & ~1);
+       void* amt_msat_ptr = (void*)(((uint64_t)amt_msat) & ~1);
+       CHECK_ACCESS(amt_msat_ptr);
+       LDKCOption_u64Z amt_msat_conv = *(LDKCOption_u64Z*)(amt_msat_ptr);
        amt_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)amt_msat) & ~1));
        LDKStr description_conv = java_to_owned_str(env, description);
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
index 82234decfda08c3a8f950f6b3054fc3596b98541..efd133c01eaf9fac7f9d159af36e364f06d2f88d 100644 (file)
@@ -703,14 +703,6 @@ JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKCResult_1TxOutAccessErrorZ
 JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKCResult_1TxOutAccessErrorZ_1get_1err
   (JNIEnv *, jclass, jlong);
 
-/*
- * Class:     org_ldk_impl_bindings
- * Method:    LDKC2Tuple_usizeTransactionZ_new
- * Signature: (J[B)J
- */
-JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1usizeTransactionZ_1new
-  (JNIEnv *, jclass, jlong, jbyteArray);
-
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    C2Tuple_usizeTransactionZ_get_a
@@ -1031,14 +1023,6 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_LDKCResult_1NoneNoneZ_1get_1ok
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_LDKCResult_1NoneNoneZ_1get_1err
   (JNIEnv *, jclass, jlong);
 
-/*
- * Class:     org_ldk_impl_bindings
- * Method:    LDKC2Tuple_SignatureCVec_SignatureZZ_new
- * Signature: ([B[[B)J
- */
-JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1SignatureCVec_1SignatureZZ_1new
-  (JNIEnv *, jclass, jbyteArray, jobjectArray);
-
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    C2Tuple_SignatureCVec_SignatureZZ_get_a
@@ -1375,14 +1359,6 @@ JNIEXPORT jbyteArray JNICALL Java_org_ldk_impl_bindings_LDKCResult_1TransactionN
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_LDKCResult_1TransactionNoneZ_1get_1err
   (JNIEnv *, jclass, jlong);
 
-/*
- * Class:     org_ldk_impl_bindings
- * Method:    LDKC2Tuple_BlockHashChannelMonitorZ_new
- * Signature: ([BJ)J
- */
-JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1BlockHashChannelMonitorZ_1new
-  (JNIEnv *, jclass, jbyteArray, jlong);
-
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    C2Tuple_BlockHashChannelMonitorZ_get_a
@@ -1591,14 +1567,6 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_LDKCResult_1NonePaymentSendFai
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKCResult_1NonePaymentSendFailureZ_1get_1err
   (JNIEnv *, jclass, jlong);
 
-/*
- * Class:     org_ldk_impl_bindings
- * Method:    LDKC2Tuple_PaymentHashPaymentIdZ_new
- * Signature: ([BJ)J
- */
-JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1PaymentHashPaymentIdZ_1new
-  (JNIEnv *, jclass, jbyteArray, jlong);
-
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    C2Tuple_PaymentHashPaymentIdZ_get_a
@@ -1655,14 +1623,6 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKNetAddress_1ref_1from_1p
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKCVec_1NetAddressZ_1new
   (JNIEnv *, jclass, jlongArray);
 
-/*
- * Class:     org_ldk_impl_bindings
- * Method:    LDKC2Tuple_PaymentHashPaymentSecretZ_new
- * Signature: ([B[B)J
- */
-JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1PaymentHashPaymentSecretZ_1new
-  (JNIEnv *, jclass, jbyteArray, jbyteArray);
-
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    C2Tuple_PaymentHashPaymentSecretZ_get_a
@@ -1847,14 +1807,6 @@ JNIEXPORT jint JNICALL Java_org_ldk_impl_bindings_FeeEstimator_1get_1est_1sat_1p
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKLogger_1new
   (JNIEnv *, jclass, jobject);
 
-/*
- * Class:     org_ldk_impl_bindings
- * Method:    LDKC2Tuple_BlockHashChannelManagerZ_new
- * Signature: ([BJ)J
- */
-JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1BlockHashChannelManagerZ_1new
-  (JNIEnv *, jclass, jbyteArray, jlong);
-
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    C2Tuple_BlockHashChannelManagerZ_get_a
@@ -2079,14 +2031,6 @@ JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKCResult_1SignedRawInvoiceN
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_LDKCResult_1SignedRawInvoiceNoneZ_1get_1err
   (JNIEnv *, jclass, jlong);
 
-/*
- * Class:     org_ldk_impl_bindings
- * Method:    LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ_new
- * Signature: (J[BJ)J
- */
-JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKC3Tuple_1RawInvoice_1u832InvoiceSignatureZ_1new
-  (JNIEnv *, jclass, jlong, jbyteArray, jlong);
-
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    C3Tuple_RawInvoice_u832InvoiceSignatureZ_get_a
@@ -2383,14 +2327,6 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_LDKCResult_1NoneMonitorUpdateE
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKCResult_1NoneMonitorUpdateErrorZ_1get_1err
   (JNIEnv *, jclass, jlong);
 
-/*
- * Class:     org_ldk_impl_bindings
- * Method:    LDKC2Tuple_OutPointScriptZ_new
- * Signature: (J[B)J
- */
-JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1OutPointScriptZ_1new
-  (JNIEnv *, jclass, jlong, jbyteArray);
-
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    C2Tuple_OutPointScriptZ_get_a
@@ -2407,14 +2343,6 @@ JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1get
 JNIEXPORT jbyteArray JNICALL Java_org_ldk_impl_bindings_C2Tuple_1OutPointScriptZ_1get_1b
   (JNIEnv *, jclass, jlong);
 
-/*
- * Class:     org_ldk_impl_bindings
- * Method:    LDKC2Tuple_u32ScriptZ_new
- * Signature: (I[B)J
- */
-JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1u32ScriptZ_1new
-  (JNIEnv *, jclass, jint, jbyteArray);
-
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    C2Tuple_u32ScriptZ_get_a
@@ -2439,14 +2367,6 @@ JNIEXPORT jbyteArray JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32ScriptZ_1get
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKCVec_1C2Tuple_1u32ScriptZZ_1new
   (JNIEnv *, jclass, jlongArray);
 
-/*
- * Class:     org_ldk_impl_bindings
- * Method:    LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_new
- * Signature: ([B[J)J
- */
-JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1TxidCVec_1C2Tuple_1u32ScriptZZZ_1new
-  (JNIEnv *, jclass, jbyteArray, jlongArray);
-
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_get_a
@@ -2503,14 +2423,6 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKEvent_1ref_1from_1ptr
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKCVec_1EventZ_1new
   (JNIEnv *, jclass, jlongArray);
 
-/*
- * Class:     org_ldk_impl_bindings
- * Method:    LDKC2Tuple_u32TxOutZ_new
- * Signature: (IJ)J
- */
-JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1u32TxOutZ_1new
-  (JNIEnv *, jclass, jint, jlong);
-
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    C2Tuple_u32TxOutZ_get_a
@@ -2535,14 +2447,6 @@ JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_C2Tuple_1u32TxOutZ_1get_1b
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKCVec_1C2Tuple_1u32TxOutZZ_1new
   (JNIEnv *, jclass, jlongArray);
 
-/*
- * Class:     org_ldk_impl_bindings
- * Method:    LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_new
- * Signature: ([B[J)J
- */
-JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1TxidCVec_1C2Tuple_1u32TxOutZZZ_1new
-  (JNIEnv *, jclass, jbyteArray, jlongArray);
-
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_get_a
@@ -2631,14 +2535,6 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_LDKCResult_1NoneLightningError
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKCResult_1NoneLightningErrorZ_1get_1err
   (JNIEnv *, jclass, jlong);
 
-/*
- * Class:     org_ldk_impl_bindings
- * Method:    LDKC2Tuple_PublicKeyTypeZ_new
- * Signature: ([BJ)J
- */
-JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKC2Tuple_1PublicKeyTypeZ_1new
-  (JNIEnv *, jclass, jbyteArray, jlong);
-
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    C2Tuple_PublicKeyTypeZ_get_a
@@ -2687,14 +2583,6 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_LDKCResult_1boolLightningE
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKCResult_1boolLightningErrorZ_1get_1err
   (JNIEnv *, jclass, jlong);
 
-/*
- * Class:     org_ldk_impl_bindings
- * Method:    LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_new
- * Signature: (JJJ)J
- */
-JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKC3Tuple_1ChannelAnnouncementChannelUpdateChannelUpdateZ_1new
-  (JNIEnv *, jclass, jlong, jlong, jlong);
-
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_a
@@ -5087,6 +4975,14 @@ JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvali
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1free
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    CResult_ShutdownScriptInvalidShutdownScriptZ_clone
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_CResult_1ShutdownScriptInvalidShutdownScriptZ_1clone
+  (JNIEnv *, jclass, jlong);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    CResult_NoneErrorZ_ok
@@ -17143,6 +17039,22 @@ JNIEXPORT jbyteArray JNICALL Java_org_ldk_impl_bindings_BuiltCommitmentTransacti
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1free
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    ClosingTransaction_clone
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1clone
+  (JNIEnv *, jclass, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    ClosingTransaction_hash
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_ClosingTransaction_1hash
+  (JNIEnv *, jclass, jlong);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    ClosingTransaction_new
@@ -17687,6 +17599,14 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_InvalidShutdownScript_1set_1sc
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_InvalidShutdownScript_1new
   (JNIEnv *, jclass, jbyteArray);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    InvalidShutdownScript_clone
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_InvalidShutdownScript_1clone
+  (JNIEnv *, jclass, jlong);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    ShutdownScript_write
index 4ac3369be4d92fe2e143a5c7c33c884ec2b6e50a..52b3324b7b2f1531d3db854609f652c0cc57060f 100644 (file)
@@ -21,6 +21,7 @@ void free(void *ptr);
 #define FREE(p) if ((unsigned long)(p) > 1024) { free(p); }
 #define DO_ASSERT(a) (void)(a)
 #define CHECK(a)
+#define CHECK_ACCESS(p)
 
 // We assume that CVec_u8Z and u8slice are the same size and layout (and thus pointers to the two can be mixed)
 _Static_assert(sizeof(LDKCVec_u8Z) == sizeof(LDKu8slice), "Vec<u8> and [u8] need to have been mapped identically");
@@ -861,17 +862,6 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCResult_TxOutAccessErrorZ
        uint32_t err_conv = LDKAccessError_to_js((*val->contents.err));
        return err_conv;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_usizeTransactionZ_new(int64_t a, int8_tArray b) {
-       LDKC2Tuple_usizeTransactionZ* ret = MALLOC(sizeof(LDKC2Tuple_usizeTransactionZ), "LDKC2Tuple_usizeTransactionZ");
-       ret->a = a;
-       LDKTransaction b_ref;
-       b_ref.datalen = *((uint32_t*)b);
-       b_ref.data = MALLOC(b_ref.datalen, "LDKTransaction Bytes");
-       memcpy(b_ref.data, (uint8_t*)(b + 4), b_ref.datalen);
-       b_ref.data_is_owned = false;
-       ret->b = b_ref;
-       return (uint64_t)ret;
-}
 static inline uintptr_t C2Tuple_usizeTransactionZ_get_a(LDKC2Tuple_usizeTransactionZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -903,7 +893,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_C2Tuple_usizeTransac
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKC2Tuple_usizeTransactionZ arr_elem_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_usizeTransactionZ arr_elem_conv = *(LDKC2Tuple_usizeTransactionZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -968,7 +960,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_MonitorEventZ_new(ui
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKMonitorEvent arr_elem_conv = *(LDKMonitorEvent*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKMonitorEvent arr_elem_conv = *(LDKMonitorEvent*)(arr_elem_ptr);
                        arr_elem_conv = MonitorEvent_clone((LDKMonitorEvent*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -1069,7 +1063,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_SpendableOutputDescr
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKSpendableOutputDescriptor arr_elem_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKSpendableOutputDescriptor arr_elem_conv = *(LDKSpendableOutputDescriptor*)(arr_elem_ptr);
                        arr_elem_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -1292,7 +1288,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_MessageSendEventZ_ne
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKMessageSendEvent arr_elem_conv = *(LDKMessageSendEvent*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKMessageSendEvent arr_elem_conv = *(LDKMessageSendEvent*)(arr_elem_ptr);
                        arr_elem_conv = MessageSendEvent_clone((LDKMessageSendEvent*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -1463,29 +1461,6 @@ void  __attribute__((visibility("default"))) TS_LDKCResult_NoneNoneZ_get_err(uin
        CHECK(!val->result_ok);
        return *val->contents.err;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_SignatureCVec_SignatureZZ_new(int8_tArray a, ptrArray b) {
-       LDKC2Tuple_SignatureCVec_SignatureZZ* ret = MALLOC(sizeof(LDKC2Tuple_SignatureCVec_SignatureZZ), "LDKC2Tuple_SignatureCVec_SignatureZZ");
-       LDKSignature a_ref;
-       CHECK(*((uint32_t*)a) == 64);
-       memcpy(a_ref.compact_form, (uint8_t*)(a + 4), 64);
-       ret->a = a_ref;
-       LDKCVec_SignatureZ b_constr;
-       b_constr.datalen = *((uint32_t*)b);
-       if (b_constr.datalen > 0)
-               b_constr.data = MALLOC(b_constr.datalen * sizeof(LDKSignature), "LDKCVec_SignatureZ Elements");
-       else
-               b_constr.data = NULL;
-       int8_tArray* b_vals = (int8_tArray*)(b + 4);
-       for (size_t m = 0; m < b_constr.datalen; m++) {
-               int8_tArray b_conv_12 = b_vals[m];
-               LDKSignature b_conv_12_ref;
-               CHECK(*((uint32_t*)b_conv_12) == 64);
-               memcpy(b_conv_12_ref.compact_form, (uint8_t*)(b_conv_12 + 4), 64);
-               b_constr.data[m] = b_conv_12_ref;
-       }
-       ret->b = b_constr;
-       return (uint64_t)ret;
-}
 static inline struct LDKSignature C2Tuple_SignatureCVec_SignatureZZ_get_a(LDKC2Tuple_SignatureCVec_SignatureZZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -1606,7 +1581,9 @@ LDKCResult_NoneNoneZ validate_holder_commitment_LDKBaseSign_jcall(const void* th
                holder_tx_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->validate_holder_commitment_meth, holder_tx_ref);
-       LDKCResult_NoneNoneZ ret_conv = *(LDKCResult_NoneNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneNoneZ ret_conv = *(LDKCResult_NoneNoneZ*)(ret_ptr);
        ret_conv = CResult_NoneNoneZ_clone((LDKCResult_NoneNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -1629,7 +1606,9 @@ LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_counterparty_commitment_L
                commitment_tx_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->sign_counterparty_commitment_meth, commitment_tx_ref);
-       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(ret_ptr);
        ret_conv = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_clone((LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -1638,7 +1617,9 @@ LDKCResult_NoneNoneZ validate_counterparty_revocation_LDKBaseSign_jcall(const vo
        int8_tArray secret_arr = init_arr(32, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(secret_arr + 4), *secret, 32);
        uint32_t ret = js_invoke_function_2(j_calls->validate_counterparty_revocation_meth, idx, secret_arr);
-       LDKCResult_NoneNoneZ ret_conv = *(LDKCResult_NoneNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneNoneZ ret_conv = *(LDKCResult_NoneNoneZ*)(ret_ptr);
        ret_conv = CResult_NoneNoneZ_clone((LDKCResult_NoneNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -1653,7 +1634,9 @@ LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_holder_commitment_and_htl
                commitment_tx_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->sign_holder_commitment_and_htlcs_meth, commitment_tx_ref);
-       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(ret_ptr);
        ret_conv = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_clone((LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -1666,7 +1649,9 @@ LDKCResult_SignatureNoneZ sign_justice_revoked_output_LDKBaseSign_jcall(const vo
        int8_tArray per_commitment_key_arr = init_arr(32, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(per_commitment_key_arr + 4), *per_commitment_key, 32);
        uint32_t ret = js_invoke_function_4(j_calls->sign_justice_revoked_output_meth, justice_tx_arr, input, amount, per_commitment_key_arr);
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -1687,7 +1672,9 @@ LDKCResult_SignatureNoneZ sign_justice_revoked_htlc_LDKBaseSign_jcall(const void
                htlc_ref |= 1;
        }
        uint32_t ret = js_invoke_function_5(j_calls->sign_justice_revoked_htlc_meth, justice_tx_arr, input, amount, per_commitment_key_arr, htlc_ref);
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -1708,14 +1695,16 @@ LDKCResult_SignatureNoneZ sign_counterparty_htlc_transaction_LDKBaseSign_jcall(c
                htlc_ref |= 1;
        }
        uint32_t ret = js_invoke_function_5(j_calls->sign_counterparty_htlc_transaction_meth, htlc_tx_arr, input, amount, per_commitment_point_arr, htlc_ref);
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
 LDKCResult_SignatureNoneZ sign_closing_transaction_LDKBaseSign_jcall(const void* this_arg, const LDKClosingTransaction * closing_tx) {
        LDKBaseSign_JCalls *j_calls = (LDKBaseSign_JCalls*) this_arg;
        LDKClosingTransaction closing_tx_var = *closing_tx;
-       // Warning: we may need a move here but no clone is available for LDKClosingTransaction
+       closing_tx_var = ClosingTransaction_clone(closing_tx);
        CHECK((((uint64_t)closing_tx_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&closing_tx_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        uint64_t closing_tx_ref = (uint64_t)closing_tx_var.inner;
@@ -1723,7 +1712,9 @@ LDKCResult_SignatureNoneZ sign_closing_transaction_LDKBaseSign_jcall(const void*
                closing_tx_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->sign_closing_transaction_meth, closing_tx_ref);
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -1738,7 +1729,9 @@ LDKCResult_SignatureNoneZ sign_channel_announcement_LDKBaseSign_jcall(const void
                msg_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->sign_channel_announcement_meth, msg_ref);
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -1795,21 +1788,27 @@ long  __attribute__((visibility("default"))) TS_LDKBaseSign_new(/*TODO: JS Objec
        return (long)res_ptr;
 }
 int8_tArray  __attribute__((visibility("default"))) TS_BaseSign_get_per_commitment_point(uint32_t this_arg, int64_t idx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        int8_tArray ret_arr = init_arr(33, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(ret_arr + 4), (this_arg_conv->get_per_commitment_point)(this_arg_conv->this_arg, idx).compressed_form, 33);
        return ret_arr;
 }
 
 int8_tArray  __attribute__((visibility("default"))) TS_BaseSign_release_commitment_secret(uint32_t this_arg, int64_t idx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        int8_tArray ret_arr = init_arr(32, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(ret_arr + 4), (this_arg_conv->release_commitment_secret)(this_arg_conv->this_arg, idx).data, 32);
        return ret_arr;
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_validate_holder_commitment(uint32_t this_arg, uint32_t holder_tx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKHolderCommitmentTransaction holder_tx_conv;
        holder_tx_conv.inner = (void*)(holder_tx & (~1));
        holder_tx_conv.is_owned = false;
@@ -1819,14 +1818,18 @@ uint32_t  __attribute__((visibility("default"))) TS_BaseSign_validate_holder_com
 }
 
 int8_tArray  __attribute__((visibility("default"))) TS_BaseSign_channel_keys_id(uint32_t this_arg) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        int8_tArray ret_arr = init_arr(32, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(ret_arr + 4), (this_arg_conv->channel_keys_id)(this_arg_conv->this_arg).data, 32);
        return ret_arr;
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_counterparty_commitment(uint32_t this_arg, uint32_t commitment_tx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKCommitmentTransaction commitment_tx_conv;
        commitment_tx_conv.inner = (void*)(commitment_tx & (~1));
        commitment_tx_conv.is_owned = false;
@@ -1836,7 +1839,9 @@ uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_counterparty_c
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_validate_counterparty_revocation(uint32_t this_arg, int64_t idx, int8_tArray secret) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        unsigned char secret_arr[32];
        CHECK(*((uint32_t*)secret) == 32);
        memcpy(secret_arr, (uint8_t*)(secret + 4), 32);
@@ -1847,7 +1852,9 @@ uint32_t  __attribute__((visibility("default"))) TS_BaseSign_validate_counterpar
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_holder_commitment_and_htlcs(uint32_t this_arg, uint32_t commitment_tx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKHolderCommitmentTransaction commitment_tx_conv;
        commitment_tx_conv.inner = (void*)(commitment_tx & (~1));
        commitment_tx_conv.is_owned = false;
@@ -1857,7 +1864,9 @@ uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_holder_commitm
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_justice_revoked_output(uint32_t this_arg, int8_tArray justice_tx, int64_t input, int64_t amount, int8_tArray per_commitment_key) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKTransaction justice_tx_ref;
        justice_tx_ref.datalen = *((uint32_t*)justice_tx);
        justice_tx_ref.data = MALLOC(justice_tx_ref.datalen, "LDKTransaction Bytes");
@@ -1873,7 +1882,9 @@ uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_justice_revoke
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_justice_revoked_htlc(uint32_t this_arg, int8_tArray justice_tx, int64_t input, int64_t amount, int8_tArray per_commitment_key, uint32_t htlc) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKTransaction justice_tx_ref;
        justice_tx_ref.datalen = *((uint32_t*)justice_tx);
        justice_tx_ref.data = MALLOC(justice_tx_ref.datalen, "LDKTransaction Bytes");
@@ -1892,7 +1903,9 @@ uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_justice_revoke
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_counterparty_htlc_transaction(uint32_t this_arg, int8_tArray htlc_tx, int64_t input, int64_t amount, int8_tArray per_commitment_point, uint32_t htlc) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKTransaction htlc_tx_ref;
        htlc_tx_ref.datalen = *((uint32_t*)htlc_tx);
        htlc_tx_ref.data = MALLOC(htlc_tx_ref.datalen, "LDKTransaction Bytes");
@@ -1910,7 +1923,9 @@ uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_counterparty_h
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_closing_transaction(uint32_t this_arg, uint32_t closing_tx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKClosingTransaction closing_tx_conv;
        closing_tx_conv.inner = (void*)(closing_tx & (~1));
        closing_tx_conv.is_owned = false;
@@ -1920,7 +1935,9 @@ uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_closing_transa
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_channel_announcement(uint32_t this_arg, uint32_t msg) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKUnsignedChannelAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
@@ -1930,7 +1947,9 @@ uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_channel_announ
 }
 
 void  __attribute__((visibility("default"))) TS_BaseSign_ready_channel(uint32_t this_arg, uint32_t channel_parameters) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKChannelTransactionParameters channel_parameters_conv;
        channel_parameters_conv.inner = (void*)(channel_parameters & (~1));
        channel_parameters_conv.is_owned = false;
@@ -1943,7 +1962,9 @@ LDKChannelPublicKeys LDKBaseSign_set_get_pubkeys(LDKBaseSign* this_arg) {
        return this_arg->pubkeys;
 }
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_get_pubkeys(uint32_t this_arg) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -2006,7 +2027,9 @@ long  __attribute__((visibility("default"))) TS_LDKSign_new(/*TODO: JS Object Re
        return (long)res_ptr;
 }
 int8_tArray  __attribute__((visibility("default"))) TS_Sign_write(uint32_t this_arg) {
-       LDKSign* this_arg_conv = (LDKSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKSign* this_arg_conv = (LDKSign*)this_arg_ptr;
        LDKCVec_u8Z ret_var = (this_arg_conv->write)(this_arg_conv->this_arg);
        int8_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(ret_arr + 4), ret_var.data, ret_var.datalen);
@@ -2108,7 +2131,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_TxOutZ_new(uint32_tA
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKTxOut arr_elem_conv = *(LDKTxOut*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKTxOut arr_elem_conv = *(LDKTxOut*)(arr_elem_ptr);
                        arr_elem_conv = TxOut_clone((LDKTxOut*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -2138,19 +2163,6 @@ void  __attribute__((visibility("default"))) TS_LDKCResult_TransactionNoneZ_get_
        CHECK(!val->result_ok);
        return *val->contents.err;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_BlockHashChannelMonitorZ_new(int8_tArray a, uint32_t b) {
-       LDKC2Tuple_BlockHashChannelMonitorZ* ret = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelMonitorZ), "LDKC2Tuple_BlockHashChannelMonitorZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK(*((uint32_t*)a) == 32);
-       memcpy(a_ref.data, (uint8_t*)(a + 4), 32);
-       ret->a = a_ref;
-       LDKChannelMonitor b_conv;
-       b_conv.inner = (void*)(b & (~1));
-       b_conv.is_owned = (b & 1) || (b == 0);
-       b_conv = ChannelMonitor_clone(&b_conv);
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_BlockHashChannelMonitorZ_get_a(LDKC2Tuple_BlockHashChannelMonitorZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -2186,7 +2198,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_C2Tuple_BlockHashCha
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKC2Tuple_BlockHashChannelMonitorZ arr_elem_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_BlockHashChannelMonitorZ arr_elem_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_BlockHashChannelMonitorZ_clone((LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -2316,7 +2330,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_CResult_NoneAPIError
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKCResult_NoneAPIErrorZ arr_elem_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKCResult_NoneAPIErrorZ arr_elem_conv = *(LDKCResult_NoneAPIErrorZ*)(arr_elem_ptr);
                        arr_elem_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -2340,7 +2356,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_APIErrorZ_new(uint32
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKAPIError arr_elem_conv = *(LDKAPIError*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKAPIError arr_elem_conv = *(LDKAPIError*)(arr_elem_ptr);
                        arr_elem_conv = APIError_clone((LDKAPIError*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -2446,19 +2464,6 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCResult_NonePaymentSendFa
        uint64_t err_ref = ((uint64_t)&(*val->contents.err)) | 1;
        return err_ref;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_PaymentHashPaymentIdZ_new(int8_tArray a, uint32_t b) {
-       LDKC2Tuple_PaymentHashPaymentIdZ* ret = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentIdZ), "LDKC2Tuple_PaymentHashPaymentIdZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK(*((uint32_t*)a) == 32);
-       memcpy(a_ref.data, (uint8_t*)(a + 4), 32);
-       ret->a = a_ref;
-       LDKPaymentId b_conv;
-       b_conv.inner = (void*)(b & (~1));
-       b_conv.is_owned = (b & 1) || (b == 0);
-       b_conv = PaymentId_clone(&b_conv);
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_PaymentHashPaymentIdZ_get_a(LDKC2Tuple_PaymentHashPaymentIdZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -2537,7 +2542,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_NetAddressZ_new(uint
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKNetAddress arr_elem_conv = *(LDKNetAddress*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKNetAddress arr_elem_conv = *(LDKNetAddress*)(arr_elem_ptr);
                        arr_elem_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -2551,18 +2558,6 @@ static inline LDKCVec_NetAddressZ CVec_NetAddressZ_clone(const LDKCVec_NetAddres
        }
        return ret;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_PaymentHashPaymentSecretZ_new(int8_tArray a, int8_tArray b) {
-       LDKC2Tuple_PaymentHashPaymentSecretZ* ret = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentSecretZ), "LDKC2Tuple_PaymentHashPaymentSecretZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK(*((uint32_t*)a) == 32);
-       memcpy(a_ref.data, (uint8_t*)(a + 4), 32);
-       ret->a = a_ref;
-       LDKThirtyTwoBytes b_ref;
-       CHECK(*((uint32_t*)b) == 32);
-       memcpy(b_ref.data, (uint8_t*)(b + 4), 32);
-       ret->b = b_ref;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_PaymentHashPaymentSecretZ_get_a(LDKC2Tuple_PaymentHashPaymentSecretZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -2657,7 +2652,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ watch_channel_LDKWatch_jcall(const void*
                monitor_ref |= 1;
        }
        uint32_t ret = js_invoke_function_2(j_calls->watch_channel_meth, funding_txo_ref, monitor_ref);
-       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(ret_ptr);
        ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone((LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -2678,7 +2675,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_channel_LDKWatch_jcall(const void
                update_ref |= 1;
        }
        uint32_t ret = js_invoke_function_2(j_calls->update_channel_meth, funding_txo_ref, update_ref);
-       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(ret_ptr);
        ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone((LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -2694,7 +2693,9 @@ LDKCVec_MonitorEventZ release_pending_monitor_events_LDKWatch_jcall(const void*
        uint32_t* ret_vals = (uint32_t*)(ret + 4);
        for (size_t o = 0; o < ret_constr.datalen; o++) {
                uint32_t ret_conv_14 = ret_vals[o];
-               LDKMonitorEvent ret_conv_14_conv = *(LDKMonitorEvent*)(((uint64_t)ret_conv_14) & ~1);
+               void* ret_conv_14_ptr = (void*)(((uint64_t)ret_conv_14) & ~1);
+               CHECK_ACCESS(ret_conv_14_ptr);
+               LDKMonitorEvent ret_conv_14_conv = *(LDKMonitorEvent*)(ret_conv_14_ptr);
                ret_conv_14_conv = MonitorEvent_clone((LDKMonitorEvent*)(((uint64_t)ret_conv_14) & ~1));
                ret_constr.data[o] = ret_conv_14_conv;
        }
@@ -2724,7 +2725,9 @@ long  __attribute__((visibility("default"))) TS_LDKWatch_new(/*TODO: JS Object R
        return (long)res_ptr;
 }
 uint32_t  __attribute__((visibility("default"))) TS_Watch_watch_channel(uint32_t this_arg, uint32_t funding_txo, uint32_t monitor) {
-       LDKWatch* this_arg_conv = (LDKWatch*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKWatch* this_arg_conv = (LDKWatch*)this_arg_ptr;
        LDKOutPoint funding_txo_conv;
        funding_txo_conv.inner = (void*)(funding_txo & (~1));
        funding_txo_conv.is_owned = (funding_txo & 1) || (funding_txo == 0);
@@ -2739,7 +2742,9 @@ uint32_t  __attribute__((visibility("default"))) TS_Watch_watch_channel(uint32_t
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_Watch_update_channel(uint32_t this_arg, uint32_t funding_txo, uint32_t update) {
-       LDKWatch* this_arg_conv = (LDKWatch*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKWatch* this_arg_conv = (LDKWatch*)this_arg_ptr;
        LDKOutPoint funding_txo_conv;
        funding_txo_conv.inner = (void*)(funding_txo & (~1));
        funding_txo_conv.is_owned = (funding_txo & 1) || (funding_txo == 0);
@@ -2754,13 +2759,15 @@ uint32_t  __attribute__((visibility("default"))) TS_Watch_update_channel(uint32_
 }
 
 uint32_tArray  __attribute__((visibility("default"))) TS_Watch_release_pending_monitor_events(uint32_t this_arg) {
-       LDKWatch* this_arg_conv = (LDKWatch*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKWatch* this_arg_conv = (LDKWatch*)this_arg_ptr;
        LDKCVec_MonitorEventZ ret_var = (this_arg_conv->release_pending_monitor_events)(this_arg_conv->this_arg);
        uint32_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint32_t), "Native uint32_tArray Bytes");
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKMonitorEvent *ret_conv_14_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
-               *ret_conv_14_copy = MonitorEvent_clone(&ret_var.data[o]);
+               *ret_conv_14_copy = ret_var.data[o];
                uint64_t ret_conv_14_ref = (uint64_t)ret_conv_14_copy;
                ret_arr_ptr[o] = ret_conv_14_ref;
        }
@@ -2809,7 +2816,9 @@ long  __attribute__((visibility("default"))) TS_LDKBroadcasterInterface_new(/*TO
        return (long)res_ptr;
 }
 void  __attribute__((visibility("default"))) TS_BroadcasterInterface_broadcast_transaction(uint32_t this_arg, int8_tArray tx) {
-       LDKBroadcasterInterface* this_arg_conv = (LDKBroadcasterInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBroadcasterInterface* this_arg_conv = (LDKBroadcasterInterface*)this_arg_ptr;
        LDKTransaction tx_ref;
        tx_ref.datalen = *((uint32_t*)tx);
        tx_ref.data = MALLOC(tx_ref.datalen, "LDKTransaction Bytes");
@@ -2870,7 +2879,9 @@ LDKShutdownScript get_shutdown_scriptpubkey_LDKKeysInterface_jcall(const void* t
 LDKSign get_channel_signer_LDKKeysInterface_jcall(const void* this_arg, bool inbound, uint64_t channel_value_satoshis) {
        LDKKeysInterface_JCalls *j_calls = (LDKKeysInterface_JCalls*) this_arg;
        uint32_t ret = js_invoke_function_2(j_calls->get_channel_signer_meth, inbound, channel_value_satoshis);
-       LDKSign ret_conv = *(LDKSign*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKSign ret_conv = *(LDKSign*)(ret_ptr);
        ret_conv = Sign_clone(&ret_conv);
        return ret_conv;
 }
@@ -2888,7 +2899,9 @@ LDKCResult_SignDecodeErrorZ read_chan_signer_LDKKeysInterface_jcall(const void*
        int8_tArray reader_arr = init_arr(reader_var.datalen, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(reader_arr + 4), reader_var.data, reader_var.datalen);
        uint32_t ret = js_invoke_function_1(j_calls->read_chan_signer_meth, reader_arr);
-       LDKCResult_SignDecodeErrorZ ret_conv = *(LDKCResult_SignDecodeErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignDecodeErrorZ ret_conv = *(LDKCResult_SignDecodeErrorZ*)(ret_ptr);
        ret_conv = CResult_SignDecodeErrorZ_clone((LDKCResult_SignDecodeErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -2899,7 +2912,9 @@ LDKCResult_RecoverableSignatureNoneZ sign_invoice_LDKKeysInterface_jcall(const v
        memcpy((uint8_t*)(invoice_preimage_arr + 4), invoice_preimage_var.data, invoice_preimage_var.datalen);
        CVec_u8Z_free(invoice_preimage_var);
        uint32_t ret = js_invoke_function_1(j_calls->sign_invoice_meth, invoice_preimage_arr);
-       LDKCResult_RecoverableSignatureNoneZ ret_conv = *(LDKCResult_RecoverableSignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_RecoverableSignatureNoneZ ret_conv = *(LDKCResult_RecoverableSignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_RecoverableSignatureNoneZ_clone((LDKCResult_RecoverableSignatureNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -2931,14 +2946,18 @@ long  __attribute__((visibility("default"))) TS_LDKKeysInterface_new(/*TODO: JS
        return (long)res_ptr;
 }
 int8_tArray  __attribute__((visibility("default"))) TS_KeysInterface_get_node_secret(uint32_t this_arg) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        int8_tArray ret_arr = init_arr(32, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(ret_arr + 4), (this_arg_conv->get_node_secret)(this_arg_conv->this_arg).bytes, 32);
        return ret_arr;
 }
 
 int8_tArray  __attribute__((visibility("default"))) TS_KeysInterface_get_destination_script(uint32_t this_arg) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        LDKCVec_u8Z ret_var = (this_arg_conv->get_destination_script)(this_arg_conv->this_arg);
        int8_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(ret_arr + 4), ret_var.data, ret_var.datalen);
@@ -2947,7 +2966,9 @@ int8_tArray  __attribute__((visibility("default"))) TS_KeysInterface_get_destina
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_KeysInterface_get_shutdown_scriptpubkey(uint32_t this_arg) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -2959,21 +2980,27 @@ uint32_t  __attribute__((visibility("default"))) TS_KeysInterface_get_shutdown_s
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_KeysInterface_get_channel_signer(uint32_t this_arg, jboolean inbound, int64_t channel_value_satoshis) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       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 (uint64_t)ret_ret;
 }
 
 int8_tArray  __attribute__((visibility("default"))) TS_KeysInterface_get_secure_random_bytes(uint32_t this_arg) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        int8_tArray ret_arr = init_arr(32, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(ret_arr + 4), (this_arg_conv->get_secure_random_bytes)(this_arg_conv->this_arg).data, 32);
        return ret_arr;
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_KeysInterface_read_chan_signer(uint32_t this_arg, int8_tArray reader) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        LDKu8slice reader_ref;
        reader_ref.datalen = *((uint32_t*)reader);
        reader_ref.data = (int8_t*)(reader + 4);
@@ -2983,7 +3010,9 @@ uint32_t  __attribute__((visibility("default"))) TS_KeysInterface_read_chan_sign
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_KeysInterface_sign_invoice(uint32_t this_arg, int8_tArray invoice_preimage) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        LDKCVec_u8Z invoice_preimage_ref;
        invoice_preimage_ref.datalen = *((uint32_t*)invoice_preimage);
        invoice_preimage_ref.data = MALLOC(invoice_preimage_ref.datalen, "LDKCVec_u8Z Bytes");
@@ -3031,7 +3060,9 @@ long  __attribute__((visibility("default"))) TS_LDKFeeEstimator_new(/*TODO: JS O
        return (long)res_ptr;
 }
 int32_t  __attribute__((visibility("default"))) TS_FeeEstimator_get_est_sat_per_1000_weight(uint32_t this_arg, uint32_t confirmation_target) {
-       LDKFeeEstimator* this_arg_conv = (LDKFeeEstimator*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKFeeEstimator* this_arg_conv = (LDKFeeEstimator*)this_arg_ptr;
        LDKConfirmationTarget confirmation_target_conv = LDKConfirmationTarget_from_js(confirmation_target);
        int32_t ret_val = (this_arg_conv->get_est_sat_per_1000_weight)(this_arg_conv->this_arg, confirmation_target_conv);
        return ret_val;
@@ -3075,19 +3106,6 @@ long  __attribute__((visibility("default"))) TS_LDKLogger_new(/*TODO: JS Object
        *res_ptr = LDKLogger_init(o);
        return (long)res_ptr;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_BlockHashChannelManagerZ_new(int8_tArray a, uint32_t b) {
-       LDKC2Tuple_BlockHashChannelManagerZ* ret = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelManagerZ), "LDKC2Tuple_BlockHashChannelManagerZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK(*((uint32_t*)a) == 32);
-       memcpy(a_ref.data, (uint8_t*)(a + 4), 32);
-       ret->a = a_ref;
-       LDKChannelManager b_conv;
-       b_conv.inner = (void*)(b & (~1));
-       b_conv.is_owned = (b & 1) || (b == 0);
-       // Warning: we need a move here but no clone is available for LDKChannelManager
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_BlockHashChannelManagerZ_get_a(LDKC2Tuple_BlockHashChannelManagerZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -3116,8 +3134,7 @@ jboolean  __attribute__((visibility("default"))) TS_LDKCResult_C2Tuple_BlockHash
 uint32_t  __attribute__((visibility("default"))) TS_LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_get_ok(uint32_t arg) {
        LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ *val = (LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ*)(arg & ~1);
        CHECK(val->result_ok);
-       LDKC2Tuple_BlockHashChannelManagerZ* res_conv = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelManagerZ), "LDKC2Tuple_BlockHashChannelManagerZ");
-       *res_conv = (*val->contents.result);
+       LDKC2Tuple_BlockHashChannelManagerZ* res_conv = &(*val->contents.result);
        // Warning: we really need to clone here, but no clone is available for LDKC2Tuple_BlockHashChannelManagerZ
        return ((uint64_t)res_conv) | 1;
 }
@@ -3231,13 +3248,17 @@ long  __attribute__((visibility("default"))) TS_LDKType_new(/*TODO: JS Object Re
        return (long)res_ptr;
 }
 int16_t  __attribute__((visibility("default"))) TS_Type_type_id(uint32_t this_arg) {
-       LDKType* this_arg_conv = (LDKType*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKType* this_arg_conv = (LDKType*)this_arg_ptr;
        int16_t ret_val = (this_arg_conv->type_id)(this_arg_conv->this_arg);
        return ret_val;
 }
 
 jstring  __attribute__((visibility("default"))) TS_Type_debug_str(uint32_t this_arg) {
-       LDKType* this_arg_conv = (LDKType*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKType* this_arg_conv = (LDKType*)this_arg_ptr;
        LDKStr ret_str = (this_arg_conv->debug_str)(this_arg_conv->this_arg);
        jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
        Str_free(ret_str);
@@ -3245,7 +3266,9 @@ jstring  __attribute__((visibility("default"))) TS_Type_debug_str(uint32_t this_
 }
 
 int8_tArray  __attribute__((visibility("default"))) TS_Type_write(uint32_t this_arg) {
-       LDKType* this_arg_conv = (LDKType*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKType* this_arg_conv = (LDKType*)this_arg_ptr;
        LDKCVec_u8Z ret_var = (this_arg_conv->write)(this_arg_conv->this_arg);
        int8_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(ret_arr + 4), ret_var.data, ret_var.datalen);
@@ -3333,24 +3356,6 @@ void  __attribute__((visibility("default"))) TS_LDKCResult_SignedRawInvoiceNoneZ
        CHECK(!val->result_ok);
        return *val->contents.err;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ_new(uint32_t a, int8_tArray b, uint32_t c) {
-       LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* ret = MALLOC(sizeof(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ), "LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ");
-       LDKRawInvoice a_conv;
-       a_conv.inner = (void*)(a & (~1));
-       a_conv.is_owned = (a & 1) || (a == 0);
-       a_conv = RawInvoice_clone(&a_conv);
-       ret->a = a_conv;
-       LDKThirtyTwoBytes b_ref;
-       CHECK(*((uint32_t*)b) == 32);
-       memcpy(b_ref.data, (uint8_t*)(b + 4), 32);
-       ret->b = b_ref;
-       LDKInvoiceSignature c_conv;
-       c_conv.inner = (void*)(c & (~1));
-       c_conv.is_owned = (c & 1) || (c == 0);
-       c_conv = InvoiceSignature_clone(&c_conv);
-       ret->c = c_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKRawInvoice C3Tuple_RawInvoice_u832InvoiceSignatureZ_get_a(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ *NONNULL_PTR tuple){
        return RawInvoice_clone(&tuple->a);
 }
@@ -3614,20 +3619,6 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCResult_NoneMonitorUpdate
        uint64_t err_ref = (uint64_t)err_var.inner & ~1;
        return err_ref;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_OutPointScriptZ_new(uint32_t a, int8_tArray b) {
-       LDKC2Tuple_OutPointScriptZ* ret = MALLOC(sizeof(LDKC2Tuple_OutPointScriptZ), "LDKC2Tuple_OutPointScriptZ");
-       LDKOutPoint a_conv;
-       a_conv.inner = (void*)(a & (~1));
-       a_conv.is_owned = (a & 1) || (a == 0);
-       a_conv = OutPoint_clone(&a_conv);
-       ret->a = a_conv;
-       LDKCVec_u8Z b_ref;
-       b_ref.datalen = *((uint32_t*)b);
-       b_ref.data = MALLOC(b_ref.datalen, "LDKCVec_u8Z Bytes");
-       memcpy(b_ref.data, (uint8_t*)(b + 4), b_ref.datalen);
-       ret->b = b_ref;
-       return (uint64_t)ret;
-}
 static inline struct LDKOutPoint C2Tuple_OutPointScriptZ_get_a(LDKC2Tuple_OutPointScriptZ *NONNULL_PTR tuple){
        return OutPoint_clone(&tuple->a);
 }
@@ -3655,16 +3646,6 @@ int8_tArray  __attribute__((visibility("default"))) TS_C2Tuple_OutPointScriptZ_g
        return ret_arr;
 }
 
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_u32ScriptZ_new(int32_t a, int8_tArray b) {
-       LDKC2Tuple_u32ScriptZ* ret = MALLOC(sizeof(LDKC2Tuple_u32ScriptZ), "LDKC2Tuple_u32ScriptZ");
-       ret->a = a;
-       LDKCVec_u8Z b_ref;
-       b_ref.datalen = *((uint32_t*)b);
-       b_ref.data = MALLOC(b_ref.datalen, "LDKCVec_u8Z Bytes");
-       memcpy(b_ref.data, (uint8_t*)(b + 4), b_ref.datalen);
-       ret->b = b_ref;
-       return (uint64_t)ret;
-}
 static inline uint32_t C2Tuple_u32ScriptZ_get_a(LDKC2Tuple_u32ScriptZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -3696,7 +3677,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_C2Tuple_u32ScriptZZ_
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKC2Tuple_u32ScriptZ arr_elem_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_u32ScriptZ arr_elem_conv = *(LDKC2Tuple_u32ScriptZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_u32ScriptZ_clone((LDKC2Tuple_u32ScriptZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -3710,28 +3693,6 @@ static inline LDKCVec_C2Tuple_u32ScriptZZ CVec_C2Tuple_u32ScriptZZ_clone(const L
        }
        return ret;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_new(int8_tArray a, uint32_tArray b) {
-       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ* ret = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK(*((uint32_t*)a) == 32);
-       memcpy(a_ref.data, (uint8_t*)(a + 4), 32);
-       ret->a = a_ref;
-       LDKCVec_C2Tuple_u32ScriptZZ b_constr;
-       b_constr.datalen = *((uint32_t*)b);
-       if (b_constr.datalen > 0)
-               b_constr.data = MALLOC(b_constr.datalen * sizeof(LDKC2Tuple_u32ScriptZ), "LDKCVec_C2Tuple_u32ScriptZZ Elements");
-       else
-               b_constr.data = NULL;
-       uint32_t* b_vals = (uint32_t*)(b + 4);
-       for (size_t v = 0; v < b_constr.datalen; v++) {
-               uint32_t b_conv_21 = b_vals[v];
-               LDKC2Tuple_u32ScriptZ b_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)b_conv_21) & ~1);
-               b_conv_21_conv = C2Tuple_u32ScriptZ_clone((LDKC2Tuple_u32ScriptZ*)(((uint64_t)b_conv_21) & ~1));
-               b_constr.data[v] = b_conv_21_conv;
-       }
-       ret->b = b_constr;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_get_a(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -3769,7 +3730,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_C2Tuple_TxidCVec_C2T
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ arr_elem_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ arr_elem_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_clone((LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -3917,7 +3880,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_EventZ_new(uint32_tA
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKEvent arr_elem_conv = *(LDKEvent*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKEvent arr_elem_conv = *(LDKEvent*)(arr_elem_ptr);
                        arr_elem_conv = Event_clone((LDKEvent*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -3931,14 +3896,6 @@ static inline LDKCVec_EventZ CVec_EventZ_clone(const LDKCVec_EventZ *orig) {
        }
        return ret;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_u32TxOutZ_new(int32_t a, uint32_t b) {
-       LDKC2Tuple_u32TxOutZ* ret = MALLOC(sizeof(LDKC2Tuple_u32TxOutZ), "LDKC2Tuple_u32TxOutZ");
-       ret->a = a;
-       LDKTxOut b_conv = *(LDKTxOut*)(((uint64_t)b) & ~1);
-       b_conv = TxOut_clone((LDKTxOut*)(((uint64_t)b) & ~1));
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline uint32_t C2Tuple_u32TxOutZ_get_a(LDKC2Tuple_u32TxOutZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -3968,7 +3925,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_C2Tuple_u32TxOutZZ_n
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKC2Tuple_u32TxOutZ arr_elem_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_u32TxOutZ arr_elem_conv = *(LDKC2Tuple_u32TxOutZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_u32TxOutZ_clone((LDKC2Tuple_u32TxOutZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -3982,28 +3941,6 @@ static inline LDKCVec_C2Tuple_u32TxOutZZ CVec_C2Tuple_u32TxOutZZ_clone(const LDK
        }
        return ret;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_new(int8_tArray a, uint32_tArray b) {
-       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* ret = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK(*((uint32_t*)a) == 32);
-       memcpy(a_ref.data, (uint8_t*)(a + 4), 32);
-       ret->a = a_ref;
-       LDKCVec_C2Tuple_u32TxOutZZ b_constr;
-       b_constr.datalen = *((uint32_t*)b);
-       if (b_constr.datalen > 0)
-               b_constr.data = MALLOC(b_constr.datalen * sizeof(LDKC2Tuple_u32TxOutZ), "LDKCVec_C2Tuple_u32TxOutZZ Elements");
-       else
-               b_constr.data = NULL;
-       uint32_t* b_vals = (uint32_t*)(b + 4);
-       for (size_t u = 0; u < b_constr.datalen; u++) {
-               uint32_t b_conv_20 = b_vals[u];
-               LDKC2Tuple_u32TxOutZ b_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)b_conv_20) & ~1);
-               b_conv_20_conv = C2Tuple_u32TxOutZ_clone((LDKC2Tuple_u32TxOutZ*)(((uint64_t)b_conv_20) & ~1));
-               b_constr.data[u] = b_conv_20_conv;
-       }
-       ret->b = b_constr;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_get_a(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -4041,7 +3978,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_C2Tuple_TxidCVec_C2T
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ arr_elem_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ arr_elem_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_clone((LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -4083,7 +4022,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_BalanceZ_new(uint32_
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKBalance arr_elem_conv = *(LDKBalance*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKBalance arr_elem_conv = *(LDKBalance*)(arr_elem_ptr);
                        arr_elem_conv = Balance_clone((LDKBalance*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -4134,17 +4075,6 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCResult_NoneLightningErro
        uint64_t err_ref = (uint64_t)err_var.inner & ~1;
        return err_ref;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_PublicKeyTypeZ_new(int8_tArray a, uint32_t b) {
-       LDKC2Tuple_PublicKeyTypeZ* ret = MALLOC(sizeof(LDKC2Tuple_PublicKeyTypeZ), "LDKC2Tuple_PublicKeyTypeZ");
-       LDKPublicKey a_ref;
-       CHECK(*((uint32_t*)a) == 33);
-       memcpy(a_ref.compressed_form, (uint8_t*)(a + 4), 33);
-       ret->a = a_ref;
-       LDKType b_conv = *(LDKType*)(((uint64_t)b) & ~1);
-       b_conv = Type_clone(&b_conv);
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKPublicKey C2Tuple_PublicKeyTypeZ_get_a(LDKC2Tuple_PublicKeyTypeZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -4175,7 +4105,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_C2Tuple_PublicKeyTyp
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKC2Tuple_PublicKeyTypeZ arr_elem_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_PublicKeyTypeZ arr_elem_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_PublicKeyTypeZ_clone((LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -4206,25 +4138,6 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCResult_boolLightningErro
        uint64_t err_ref = (uint64_t)err_var.inner & ~1;
        return err_ref;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_new(uint32_t a, uint32_t b, uint32_t c) {
-       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* ret = MALLOC(sizeof(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ), "LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ");
-       LDKChannelAnnouncement a_conv;
-       a_conv.inner = (void*)(a & (~1));
-       a_conv.is_owned = (a & 1) || (a == 0);
-       a_conv = ChannelAnnouncement_clone(&a_conv);
-       ret->a = a_conv;
-       LDKChannelUpdate b_conv;
-       b_conv.inner = (void*)(b & (~1));
-       b_conv.is_owned = (b & 1) || (b == 0);
-       b_conv = ChannelUpdate_clone(&b_conv);
-       ret->b = b_conv;
-       LDKChannelUpdate c_conv;
-       c_conv.inner = (void*)(c & (~1));
-       c_conv.is_owned = (c & 1) || (c == 0);
-       c_conv = ChannelUpdate_clone(&c_conv);
-       ret->c = c_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKChannelAnnouncement C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_a(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ *NONNULL_PTR tuple){
        return ChannelAnnouncement_clone(&tuple->a);
 }
@@ -4280,7 +4193,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_C3Tuple_ChannelAnnou
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ arr_elem_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ arr_elem_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(arr_elem_ptr);
                        arr_elem_conv = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_clone((LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -4411,7 +4326,9 @@ LDKCResult_TxOutAccessErrorZ get_utxo_LDKAccess_jcall(const void* this_arg, cons
        int8_tArray genesis_hash_arr = init_arr(32, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(genesis_hash_arr + 4), *genesis_hash, 32);
        uint32_t ret = js_invoke_function_2(j_calls->get_utxo_meth, genesis_hash_arr, short_channel_id);
-       LDKCResult_TxOutAccessErrorZ ret_conv = *(LDKCResult_TxOutAccessErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_TxOutAccessErrorZ ret_conv = *(LDKCResult_TxOutAccessErrorZ*)(ret_ptr);
        ret_conv = CResult_TxOutAccessErrorZ_clone((LDKCResult_TxOutAccessErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -4437,7 +4354,9 @@ long  __attribute__((visibility("default"))) TS_LDKAccess_new(/*TODO: JS Object
        return (long)res_ptr;
 }
 uint32_t  __attribute__((visibility("default"))) TS_Access_get_utxo(uint32_t this_arg, int8_tArray genesis_hash, int64_t short_channel_id) {
-       LDKAccess* this_arg_conv = (LDKAccess*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKAccess* this_arg_conv = (LDKAccess*)this_arg_ptr;
        unsigned char genesis_hash_arr[32];
        CHECK(*((uint32_t*)genesis_hash) == 32);
        memcpy(genesis_hash_arr, (uint8_t*)(genesis_hash + 4), 32);
@@ -5517,7 +5436,9 @@ LDKCOption_C2Tuple_usizeTransactionZZ register_output_LDKFilter_jcall(const void
                output_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->register_output_meth, output_ref);
-       LDKCOption_C2Tuple_usizeTransactionZZ ret_conv = *(LDKCOption_C2Tuple_usizeTransactionZZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCOption_C2Tuple_usizeTransactionZZ ret_conv = *(LDKCOption_C2Tuple_usizeTransactionZZ*)(ret_ptr);
        ret_conv = COption_C2Tuple_usizeTransactionZZ_clone((LDKCOption_C2Tuple_usizeTransactionZZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -5544,7 +5465,9 @@ long  __attribute__((visibility("default"))) TS_LDKFilter_new(/*TODO: JS Object
        return (long)res_ptr;
 }
 void  __attribute__((visibility("default"))) TS_Filter_register_tx(uint32_t this_arg, int8_tArray txid, int8_tArray script_pubkey) {
-       LDKFilter* this_arg_conv = (LDKFilter*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKFilter* this_arg_conv = (LDKFilter*)this_arg_ptr;
        unsigned char txid_arr[32];
        CHECK(*((uint32_t*)txid) == 32);
        memcpy(txid_arr, (uint8_t*)(txid + 4), 32);
@@ -5556,7 +5479,9 @@ void  __attribute__((visibility("default"))) TS_Filter_register_tx(uint32_t this
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_Filter_register_output(uint32_t this_arg, uint32_t output) {
-       LDKFilter* this_arg_conv = (LDKFilter*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKFilter* this_arg_conv = (LDKFilter*)this_arg_ptr;
        LDKWatchedOutput output_conv;
        output_conv.inner = (void*)(output & (~1));
        output_conv.is_owned = (output & 1) || (output == 0);
@@ -5648,7 +5573,9 @@ LDKCVec_MessageSendEventZ get_and_clear_pending_msg_events_LDKMessageSendEventsP
        uint32_t* ret_vals = (uint32_t*)(ret + 4);
        for (size_t s = 0; s < ret_constr.datalen; s++) {
                uint32_t ret_conv_18 = ret_vals[s];
-               LDKMessageSendEvent ret_conv_18_conv = *(LDKMessageSendEvent*)(((uint64_t)ret_conv_18) & ~1);
+               void* ret_conv_18_ptr = (void*)(((uint64_t)ret_conv_18) & ~1);
+               CHECK_ACCESS(ret_conv_18_ptr);
+               LDKMessageSendEvent ret_conv_18_conv = *(LDKMessageSendEvent*)(ret_conv_18_ptr);
                ret_conv_18_conv = MessageSendEvent_clone((LDKMessageSendEvent*)(((uint64_t)ret_conv_18) & ~1));
                ret_constr.data[s] = ret_conv_18_conv;
        }
@@ -5676,13 +5603,15 @@ long  __attribute__((visibility("default"))) TS_LDKMessageSendEventsProvider_new
        return (long)res_ptr;
 }
 uint32_tArray  __attribute__((visibility("default"))) TS_MessageSendEventsProvider_get_and_clear_pending_msg_events(uint32_t this_arg) {
-       LDKMessageSendEventsProvider* this_arg_conv = (LDKMessageSendEventsProvider*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKMessageSendEventsProvider* this_arg_conv = (LDKMessageSendEventsProvider*)this_arg_ptr;
        LDKCVec_MessageSendEventZ ret_var = (this_arg_conv->get_and_clear_pending_msg_events)(this_arg_conv->this_arg);
        uint32_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint32_t), "Native uint32_tArray Bytes");
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
        for (size_t s = 0; s < ret_var.datalen; s++) {
                LDKMessageSendEvent *ret_conv_18_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
-               *ret_conv_18_copy = MessageSendEvent_clone(&ret_var.data[s]);
+               *ret_conv_18_copy = ret_var.data[s];
                uint64_t ret_conv_18_ref = (uint64_t)ret_conv_18_copy;
                ret_arr_ptr[s] = ret_conv_18_ref;
        }
@@ -5729,7 +5658,9 @@ long  __attribute__((visibility("default"))) TS_LDKEventHandler_new(/*TODO: JS O
        return (long)res_ptr;
 }
 void  __attribute__((visibility("default"))) TS_EventHandler_handle_event(uint32_t this_arg, uint32_t event) {
-       LDKEventHandler* this_arg_conv = (LDKEventHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKEventHandler* this_arg_conv = (LDKEventHandler*)this_arg_ptr;
        LDKEvent* event_conv = (LDKEvent*)event;
        (this_arg_conv->handle_event)(this_arg_conv->this_arg, event_conv);
 }
@@ -5773,8 +5704,12 @@ long  __attribute__((visibility("default"))) TS_LDKEventsProvider_new(/*TODO: JS
        return (long)res_ptr;
 }
 void  __attribute__((visibility("default"))) TS_EventsProvider_process_pending_events(uint32_t this_arg, uint32_t handler) {
-       LDKEventsProvider* this_arg_conv = (LDKEventsProvider*)(((uint64_t)this_arg) & ~1);
-       LDKEventHandler handler_conv = *(LDKEventHandler*)(((uint64_t)handler) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKEventsProvider* this_arg_conv = (LDKEventsProvider*)this_arg_ptr;
+       void* handler_ptr = (void*)(((uint64_t)handler) & ~1);
+       CHECK_ACCESS(handler_ptr);
+       LDKEventHandler handler_conv = *(LDKEventHandler*)(handler_ptr);
        (this_arg_conv->process_pending_events)(this_arg_conv->this_arg, handler_conv);
 }
 
@@ -5827,7 +5762,9 @@ long  __attribute__((visibility("default"))) TS_LDKListen_new(/*TODO: JS Object
        return (long)res_ptr;
 }
 void  __attribute__((visibility("default"))) TS_Listen_block_connected(uint32_t this_arg, int8_tArray block, int32_t height) {
-       LDKListen* this_arg_conv = (LDKListen*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKListen* this_arg_conv = (LDKListen*)this_arg_ptr;
        LDKu8slice block_ref;
        block_ref.datalen = *((uint32_t*)block);
        block_ref.data = (int8_t*)(block + 4);
@@ -5835,7 +5772,9 @@ void  __attribute__((visibility("default"))) TS_Listen_block_connected(uint32_t
 }
 
 void  __attribute__((visibility("default"))) TS_Listen_block_disconnected(uint32_t this_arg, int8_tArray header, int32_t height) {
-       LDKListen* this_arg_conv = (LDKListen*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKListen* this_arg_conv = (LDKListen*)this_arg_ptr;
        unsigned char header_arr[80];
        CHECK(*((uint32_t*)header) == 80);
        memcpy(header_arr, (uint8_t*)(header + 4), 80);
@@ -5931,7 +5870,9 @@ long  __attribute__((visibility("default"))) TS_LDKConfirm_new(/*TODO: JS Object
        return (long)res_ptr;
 }
 void  __attribute__((visibility("default"))) TS_Confirm_transactions_confirmed(uint32_t this_arg, int8_tArray header, uint32_tArray txdata, int32_t height) {
-       LDKConfirm* this_arg_conv = (LDKConfirm*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKConfirm* this_arg_conv = (LDKConfirm*)this_arg_ptr;
        unsigned char header_arr[80];
        CHECK(*((uint32_t*)header) == 80);
        memcpy(header_arr, (uint8_t*)(header + 4), 80);
@@ -5945,7 +5886,9 @@ void  __attribute__((visibility("default"))) TS_Confirm_transactions_confirmed(u
        uint32_t* txdata_vals = (uint32_t*)(txdata + 4);
        for (size_t c = 0; c < txdata_constr.datalen; c++) {
                uint32_t txdata_conv_28 = txdata_vals[c];
-               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1);
+               void* txdata_conv_28_ptr = (void*)(((uint64_t)txdata_conv_28) & ~1);
+               CHECK_ACCESS(txdata_conv_28_ptr);
+               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(txdata_conv_28_ptr);
                txdata_conv_28_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1));
                txdata_constr.data[c] = txdata_conv_28_conv;
        }
@@ -5953,7 +5896,9 @@ void  __attribute__((visibility("default"))) TS_Confirm_transactions_confirmed(u
 }
 
 void  __attribute__((visibility("default"))) TS_Confirm_transaction_unconfirmed(uint32_t this_arg, int8_tArray txid) {
-       LDKConfirm* this_arg_conv = (LDKConfirm*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKConfirm* this_arg_conv = (LDKConfirm*)this_arg_ptr;
        unsigned char txid_arr[32];
        CHECK(*((uint32_t*)txid) == 32);
        memcpy(txid_arr, (uint8_t*)(txid + 4), 32);
@@ -5962,7 +5907,9 @@ void  __attribute__((visibility("default"))) TS_Confirm_transaction_unconfirmed(
 }
 
 void  __attribute__((visibility("default"))) TS_Confirm_best_block_updated(uint32_t this_arg, int8_tArray header, int32_t height) {
-       LDKConfirm* this_arg_conv = (LDKConfirm*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKConfirm* this_arg_conv = (LDKConfirm*)this_arg_ptr;
        unsigned char header_arr[80];
        CHECK(*((uint32_t*)header) == 80);
        memcpy(header_arr, (uint8_t*)(header + 4), 80);
@@ -5971,7 +5918,9 @@ void  __attribute__((visibility("default"))) TS_Confirm_best_block_updated(uint3
 }
 
 ptrArray  __attribute__((visibility("default"))) TS_Confirm_get_relevant_txids(uint32_t this_arg) {
-       LDKConfirm* this_arg_conv = (LDKConfirm*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKConfirm* this_arg_conv = (LDKConfirm*)this_arg_ptr;
        LDKCVec_TxidZ ret_var = (this_arg_conv->get_relevant_txids)(this_arg_conv->this_arg);
        ptrArray ret_arr = init_arr(ret_var.datalen, sizeof(uint32_t), "Native ptrArray Bytes");
        int8_tArray *ret_arr_ptr = (int8_tArray*)(ret_arr + 4);
@@ -6015,7 +5964,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ persist_new_channel_LDKPersist_jcall(con
                data_ref |= 1;
        }
        uint32_t ret = js_invoke_function_2(j_calls->persist_new_channel_meth, id_ref, data_ref);
-       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(ret_ptr);
        ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone((LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -6045,7 +5996,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_persisted_channel_LDKPersist_jcal
                data_ref |= 1;
        }
        uint32_t ret = js_invoke_function_3(j_calls->update_persisted_channel_meth, id_ref, update_ref, data_ref);
-       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(ret_ptr);
        ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone((LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -6072,7 +6025,9 @@ long  __attribute__((visibility("default"))) TS_LDKPersist_new(/*TODO: JS Object
        return (long)res_ptr;
 }
 uint32_t  __attribute__((visibility("default"))) TS_Persist_persist_new_channel(uint32_t this_arg, uint32_t id, uint32_t data) {
-       LDKPersist* this_arg_conv = (LDKPersist*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKPersist* this_arg_conv = (LDKPersist*)this_arg_ptr;
        LDKOutPoint id_conv;
        id_conv.inner = (void*)(id & (~1));
        id_conv.is_owned = (id & 1) || (id == 0);
@@ -6086,7 +6041,9 @@ uint32_t  __attribute__((visibility("default"))) TS_Persist_persist_new_channel(
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_Persist_update_persisted_channel(uint32_t this_arg, uint32_t id, uint32_t update, uint32_t data) {
-       LDKPersist* this_arg_conv = (LDKPersist*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKPersist* this_arg_conv = (LDKPersist*)this_arg_ptr;
        LDKOutPoint id_conv;
        id_conv.inner = (void*)(id & (~1));
        id_conv.is_owned = (id & 1) || (id == 0);
@@ -6490,7 +6447,9 @@ long  __attribute__((visibility("default"))) TS_LDKChannelMessageHandler_new(/*T
        return (long)res_ptr;
 }
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_open_channel(uint32_t this_arg, int8_tArray their_node_id, uint32_t their_features, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6505,7 +6464,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_ope
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_accept_channel(uint32_t this_arg, int8_tArray their_node_id, uint32_t their_features, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6520,7 +6481,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_acc
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_funding_created(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6531,7 +6494,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_fun
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_funding_signed(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6542,7 +6507,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_fun
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_funding_locked(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6553,7 +6520,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_fun
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_shutdown(uint32_t this_arg, int8_tArray their_node_id, uint32_t their_features, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6567,7 +6536,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_shu
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_closing_signed(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6578,7 +6549,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_clo
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_update_add_htlc(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6589,7 +6562,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_upd
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_update_fulfill_htlc(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6600,7 +6575,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_upd
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_update_fail_htlc(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6611,7 +6588,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_upd
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_update_fail_malformed_htlc(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6622,7 +6601,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_upd
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_commitment_signed(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6633,7 +6614,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_com
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_revoke_and_ack(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6644,7 +6627,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_rev
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_update_fee(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6655,7 +6640,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_upd
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_announcement_signatures(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6666,7 +6653,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_ann
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_peer_disconnected(uint32_t this_arg, int8_tArray their_node_id, jboolean no_connection_possible) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6674,7 +6663,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_peer_disco
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_peer_connected(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6685,7 +6676,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_peer_conne
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_channel_reestablish(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6696,7 +6689,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_cha
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_channel_update(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6707,7 +6702,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_cha
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_error(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6758,7 +6755,9 @@ LDKCResult_boolLightningErrorZ handle_node_announcement_LDKRoutingMessageHandler
                msg_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->handle_node_announcement_meth, msg_ref);
-       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_boolLightningErrorZ_clone((LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -6773,7 +6772,9 @@ LDKCResult_boolLightningErrorZ handle_channel_announcement_LDKRoutingMessageHand
                msg_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->handle_channel_announcement_meth, msg_ref);
-       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_boolLightningErrorZ_clone((LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -6788,7 +6789,9 @@ LDKCResult_boolLightningErrorZ handle_channel_update_LDKRoutingMessageHandler_jc
                msg_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->handle_channel_update_meth, msg_ref);
-       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_boolLightningErrorZ_clone((LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -6804,7 +6807,9 @@ LDKCVec_C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZZ get_next_channel
        uint32_t* ret_vals = (uint32_t*)(ret + 4);
        for (size_t h = 0; h < ret_constr.datalen; h++) {
                uint32_t ret_conv_59 = ret_vals[h];
-               LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ ret_conv_59_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)ret_conv_59) & ~1);
+               void* ret_conv_59_ptr = (void*)(((uint64_t)ret_conv_59) & ~1);
+               CHECK_ACCESS(ret_conv_59_ptr);
+               LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ ret_conv_59_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(ret_conv_59_ptr);
                ret_conv_59_conv = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_clone((LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)ret_conv_59) & ~1));
                ret_constr.data[h] = ret_conv_59_conv;
        }
@@ -6858,7 +6863,9 @@ LDKCResult_NoneLightningErrorZ handle_reply_channel_range_LDKRoutingMessageHandl
                msg_ref |= 1;
        }
        uint32_t ret = js_invoke_function_2(j_calls->handle_reply_channel_range_meth, their_node_id_arr, msg_ref);
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -6874,7 +6881,9 @@ LDKCResult_NoneLightningErrorZ handle_reply_short_channel_ids_end_LDKRoutingMess
                msg_ref |= 1;
        }
        uint32_t ret = js_invoke_function_2(j_calls->handle_reply_short_channel_ids_end_meth, their_node_id_arr, msg_ref);
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -6890,7 +6899,9 @@ LDKCResult_NoneLightningErrorZ handle_query_channel_range_LDKRoutingMessageHandl
                msg_ref |= 1;
        }
        uint32_t ret = js_invoke_function_2(j_calls->handle_query_channel_range_meth, their_node_id_arr, msg_ref);
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -6906,7 +6917,9 @@ LDKCResult_NoneLightningErrorZ handle_query_short_channel_ids_LDKRoutingMessageH
                msg_ref |= 1;
        }
        uint32_t ret = js_invoke_function_2(j_calls->handle_query_short_channel_ids_meth, their_node_id_arr, msg_ref);
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -6944,7 +6957,9 @@ long  __attribute__((visibility("default"))) TS_LDKRoutingMessageHandler_new(/*T
        return (long)res_ptr;
 }
 uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle_node_announcement(uint32_t this_arg, uint32_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKNodeAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
@@ -6954,7 +6969,9 @@ uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle_channel_announcement(uint32_t this_arg, uint32_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKChannelAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
@@ -6964,7 +6981,9 @@ uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle_channel_update(uint32_t this_arg, uint32_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKChannelUpdate msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
@@ -6974,7 +6993,9 @@ uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle
 }
 
 uint32_tArray  __attribute__((visibility("default"))) TS_RoutingMessageHandler_get_next_channel_announcements(uint32_t this_arg, int64_t starting_point, int8_t batch_amount) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKCVec_C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZZ ret_var = (this_arg_conv->get_next_channel_announcements)(this_arg_conv->this_arg, starting_point, batch_amount);
        uint32_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint32_t), "Native uint32_tArray Bytes");
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
@@ -6988,7 +7009,9 @@ uint32_tArray  __attribute__((visibility("default"))) TS_RoutingMessageHandler_g
 }
 
 uint32_tArray  __attribute__((visibility("default"))) TS_RoutingMessageHandler_get_next_node_announcements(uint32_t this_arg, int8_tArray starting_point, int8_t batch_amount) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey starting_point_ref;
        CHECK(*((uint32_t*)starting_point) == 33);
        memcpy(starting_point_ref.compressed_form, (uint8_t*)(starting_point + 4), 33);
@@ -7010,7 +7033,9 @@ uint32_tArray  __attribute__((visibility("default"))) TS_RoutingMessageHandler_g
 }
 
 void  __attribute__((visibility("default"))) TS_RoutingMessageHandler_sync_routing_table(uint32_t this_arg, int8_tArray their_node_id, uint32_t init) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -7021,7 +7046,9 @@ void  __attribute__((visibility("default"))) TS_RoutingMessageHandler_sync_routi
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle_reply_channel_range(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -7035,7 +7062,9 @@ uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle_reply_short_channel_ids_end(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -7049,7 +7078,9 @@ uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle_query_channel_range(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -7063,7 +7094,9 @@ uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle_query_short_channel_ids(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -7093,7 +7126,9 @@ LDKCResult_COption_TypeZDecodeErrorZ read_LDKCustomMessageReader_jcall(const voi
        int8_tArray buffer_arr = init_arr(buffer_var.datalen, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(buffer_arr + 4), buffer_var.data, buffer_var.datalen);
        uint32_t ret = js_invoke_function_2(j_calls->read_meth, message_type, buffer_arr);
-       LDKCResult_COption_TypeZDecodeErrorZ ret_conv = *(LDKCResult_COption_TypeZDecodeErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_COption_TypeZDecodeErrorZ ret_conv = *(LDKCResult_COption_TypeZDecodeErrorZ*)(ret_ptr);
        ret_conv = CResult_COption_TypeZDecodeErrorZ_clone((LDKCResult_COption_TypeZDecodeErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -7119,7 +7154,9 @@ long  __attribute__((visibility("default"))) TS_LDKCustomMessageReader_new(/*TOD
        return (long)res_ptr;
 }
 uint32_t  __attribute__((visibility("default"))) TS_CustomMessageReader_read(uint32_t this_arg, int16_t message_type, int8_tArray buffer) {
-       LDKCustomMessageReader* this_arg_conv = (LDKCustomMessageReader*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKCustomMessageReader* this_arg_conv = (LDKCustomMessageReader*)this_arg_ptr;
        LDKu8slice buffer_ref;
        buffer_ref.datalen = *((uint32_t*)buffer);
        buffer_ref.data = (int8_t*)(buffer + 4);
@@ -7149,7 +7186,9 @@ LDKCResult_NoneLightningErrorZ handle_custom_message_LDKCustomMessageHandler_jca
        int8_tArray sender_node_id_arr = init_arr(33, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(sender_node_id_arr + 4), sender_node_id.compressed_form, 33);
        uint32_t ret = js_invoke_function_2(j_calls->handle_custom_message_meth, (uint64_t)msg_ret, sender_node_id_arr);
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -7165,7 +7204,9 @@ LDKCVec_C2Tuple_PublicKeyTypeZZ get_and_clear_pending_msg_LDKCustomMessageHandle
        uint32_t* ret_vals = (uint32_t*)(ret + 4);
        for (size_t z = 0; z < ret_constr.datalen; z++) {
                uint32_t ret_conv_25 = ret_vals[z];
-               LDKC2Tuple_PublicKeyTypeZ ret_conv_25_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)ret_conv_25) & ~1);
+               void* ret_conv_25_ptr = (void*)(((uint64_t)ret_conv_25) & ~1);
+               CHECK_ACCESS(ret_conv_25_ptr);
+               LDKC2Tuple_PublicKeyTypeZ ret_conv_25_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(ret_conv_25_ptr);
                ret_conv_25_conv = C2Tuple_PublicKeyTypeZ_clone((LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)ret_conv_25) & ~1));
                ret_constr.data[z] = ret_conv_25_conv;
        }
@@ -7197,8 +7238,12 @@ long  __attribute__((visibility("default"))) TS_LDKCustomMessageHandler_new(/*TO
        return (long)res_ptr;
 }
 uint32_t  __attribute__((visibility("default"))) TS_CustomMessageHandler_handle_custom_message(uint32_t this_arg, uint32_t msg, int8_tArray sender_node_id) {
-       LDKCustomMessageHandler* this_arg_conv = (LDKCustomMessageHandler*)(((uint64_t)this_arg) & ~1);
-       LDKType msg_conv = *(LDKType*)(((uint64_t)msg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKCustomMessageHandler* this_arg_conv = (LDKCustomMessageHandler*)this_arg_ptr;
+       void* msg_ptr = (void*)(((uint64_t)msg) & ~1);
+       CHECK_ACCESS(msg_ptr);
+       LDKType msg_conv = *(LDKType*)(msg_ptr);
        LDKPublicKey sender_node_id_ref;
        CHECK(*((uint32_t*)sender_node_id) == 33);
        memcpy(sender_node_id_ref.compressed_form, (uint8_t*)(sender_node_id + 4), 33);
@@ -7208,7 +7253,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CustomMessageHandler_handle_
 }
 
 uint32_tArray  __attribute__((visibility("default"))) TS_CustomMessageHandler_get_and_clear_pending_msg(uint32_t this_arg) {
-       LDKCustomMessageHandler* this_arg_conv = (LDKCustomMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKCustomMessageHandler* this_arg_conv = (LDKCustomMessageHandler*)this_arg_ptr;
        LDKCVec_C2Tuple_PublicKeyTypeZZ ret_var = (this_arg_conv->get_and_clear_pending_msg)(this_arg_conv->this_arg);
        uint32_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint32_t), "Native uint32_tArray Bytes");
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
@@ -7285,7 +7332,9 @@ long  __attribute__((visibility("default"))) TS_LDKSocketDescriptor_new(/*TODO:
        return (long)res_ptr;
 }
 int64_t  __attribute__((visibility("default"))) TS_SocketDescriptor_send_data(uint32_t this_arg, int8_tArray data, jboolean resume_read) {
-       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_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 = *((uint32_t*)data);
        data_ref.data = (int8_t*)(data + 4);
@@ -7294,12 +7343,16 @@ int64_t  __attribute__((visibility("default"))) TS_SocketDescriptor_send_data(ui
 }
 
 void  __attribute__((visibility("default"))) TS_SocketDescriptor_disconnect_socket(uint32_t this_arg) {
-       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)this_arg_ptr;
        (this_arg_conv->disconnect_socket)(this_arg_conv->this_arg);
 }
 
 int64_t  __attribute__((visibility("default"))) TS_SocketDescriptor_hash(uint32_t this_arg) {
-       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)this_arg_ptr;
        int64_t ret_val = (this_arg_conv->hash)(this_arg_conv->this_arg);
        return ret_val;
 }
@@ -7341,7 +7394,9 @@ long  __attribute__((visibility("default"))) TS_LDKScore_new(/*TODO: JS Object R
        return (long)res_ptr;
 }
 int64_t  __attribute__((visibility("default"))) TS_Score_channel_penalty_msat(uint32_t this_arg, int64_t short_channel_id) {
-       LDKScore* this_arg_conv = (LDKScore*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKScore* this_arg_conv = (LDKScore*)this_arg_ptr;
        int64_t ret_val = (this_arg_conv->channel_penalty_msat)(this_arg_conv->this_arg, short_channel_id);
        return ret_val;
 }
@@ -7368,7 +7423,9 @@ LDKCResult_NoneErrorZ persist_manager_LDKChannelManagerPersister_jcall(const voi
                channel_manager_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->persist_manager_meth, channel_manager_ref);
-       LDKCResult_NoneErrorZ ret_conv = *(LDKCResult_NoneErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneErrorZ ret_conv = *(LDKCResult_NoneErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneErrorZ_clone((LDKCResult_NoneErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -7394,7 +7451,9 @@ long  __attribute__((visibility("default"))) TS_LDKChannelManagerPersister_new(/
        return (long)res_ptr;
 }
 uint32_t  __attribute__((visibility("default"))) TS_ChannelManagerPersister_persist_manager(uint32_t this_arg, uint32_t channel_manager) {
-       LDKChannelManagerPersister* this_arg_conv = (LDKChannelManagerPersister*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelManagerPersister* this_arg_conv = (LDKChannelManagerPersister*)this_arg_ptr;
        LDKChannelManager channel_manager_conv;
        channel_manager_conv.inner = (void*)(channel_manager & (~1));
        channel_manager_conv.is_owned = false;
@@ -7461,7 +7520,9 @@ uint32_t  __attribute__((visibility("default"))) TS_TxOut_new(int8_tArray script
 
 void  __attribute__((visibility("default"))) TS_TxOut_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKTxOut _res_conv = *(LDKTxOut*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKTxOut _res_conv = *(LDKTxOut*)(_res_ptr);
        FREE((void*)_res);
        TxOut_free(_res_conv);
 }
@@ -7496,7 +7557,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_SecretKeyErrorZ_err(
 
 void  __attribute__((visibility("default"))) TS_CResult_SecretKeyErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SecretKeyErrorZ _res_conv = *(LDKCResult_SecretKeyErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SecretKeyErrorZ _res_conv = *(LDKCResult_SecretKeyErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SecretKeyErrorZ_free(_res_conv);
 }
@@ -7519,7 +7582,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PublicKeyErrorZ_err(
 
 void  __attribute__((visibility("default"))) TS_CResult_PublicKeyErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PublicKeyErrorZ _res_conv = *(LDKCResult_PublicKeyErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PublicKeyErrorZ _res_conv = *(LDKCResult_PublicKeyErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PublicKeyErrorZ_free(_res_conv);
 }
@@ -7553,7 +7618,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_TxCreationKeysDecode
 
 void  __attribute__((visibility("default"))) TS_CResult_TxCreationKeysDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TxCreationKeysDecodeErrorZ _res_conv = *(LDKCResult_TxCreationKeysDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TxCreationKeysDecodeErrorZ _res_conv = *(LDKCResult_TxCreationKeysDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TxCreationKeysDecodeErrorZ_free(_res_conv);
 }
@@ -7587,7 +7654,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ChannelPublicKeysDec
 
 void  __attribute__((visibility("default"))) TS_CResult_ChannelPublicKeysDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelPublicKeysDecodeErrorZ _res_conv = *(LDKCResult_ChannelPublicKeysDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelPublicKeysDecodeErrorZ _res_conv = *(LDKCResult_ChannelPublicKeysDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelPublicKeysDecodeErrorZ_free(_res_conv);
 }
@@ -7618,7 +7687,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_TxCreationKeysErrorZ
 
 void  __attribute__((visibility("default"))) TS_CResult_TxCreationKeysErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TxCreationKeysErrorZ _res_conv = *(LDKCResult_TxCreationKeysErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TxCreationKeysErrorZ _res_conv = *(LDKCResult_TxCreationKeysErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TxCreationKeysErrorZ_free(_res_conv);
 }
@@ -7646,7 +7717,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_u32Z_none() {
 
 void  __attribute__((visibility("default"))) TS_COption_u32Z_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_u32Z _res_conv = *(LDKCOption_u32Z*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_u32Z _res_conv = *(LDKCOption_u32Z*)(_res_ptr);
        FREE((void*)_res);
        COption_u32Z_free(_res_conv);
 }
@@ -7681,7 +7754,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_HTLCOutputInCommitme
 
 void  __attribute__((visibility("default"))) TS_CResult_HTLCOutputInCommitmentDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_HTLCOutputInCommitmentDecodeErrorZ _res_conv = *(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_HTLCOutputInCommitmentDecodeErrorZ _res_conv = *(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_HTLCOutputInCommitmentDecodeErrorZ_free(_res_conv);
 }
@@ -7715,7 +7790,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CounterpartyChannelT
 
 void  __attribute__((visibility("default"))) TS_CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ _res_conv = *(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ _res_conv = *(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_free(_res_conv);
 }
@@ -7749,7 +7826,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ChannelTransactionPa
 
 void  __attribute__((visibility("default"))) TS_CResult_ChannelTransactionParametersDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelTransactionParametersDecodeErrorZ _res_conv = *(LDKCResult_ChannelTransactionParametersDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelTransactionParametersDecodeErrorZ _res_conv = *(LDKCResult_ChannelTransactionParametersDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelTransactionParametersDecodeErrorZ_free(_res_conv);
 }
@@ -7801,7 +7880,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_HolderCommitmentTran
 
 void  __attribute__((visibility("default"))) TS_CResult_HolderCommitmentTransactionDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_HolderCommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_HolderCommitmentTransactionDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_HolderCommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_HolderCommitmentTransactionDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_HolderCommitmentTransactionDecodeErrorZ_free(_res_conv);
 }
@@ -7835,7 +7916,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_BuiltCommitmentTrans
 
 void  __attribute__((visibility("default"))) TS_CResult_BuiltCommitmentTransactionDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_BuiltCommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_BuiltCommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_BuiltCommitmentTransactionDecodeErrorZ_free(_res_conv);
 }
@@ -7865,7 +7948,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_TrustedClosingTransa
 
 void  __attribute__((visibility("default"))) TS_CResult_TrustedClosingTransactionNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TrustedClosingTransactionNoneZ _res_conv = *(LDKCResult_TrustedClosingTransactionNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TrustedClosingTransactionNoneZ _res_conv = *(LDKCResult_TrustedClosingTransactionNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TrustedClosingTransactionNoneZ_free(_res_conv);
 }
@@ -7892,7 +7977,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CommitmentTransactio
 
 void  __attribute__((visibility("default"))) TS_CResult_CommitmentTransactionDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_CommitmentTransactionDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_CommitmentTransactionDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CommitmentTransactionDecodeErrorZ_free(_res_conv);
 }
@@ -7922,7 +8009,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_TrustedCommitmentTra
 
 void  __attribute__((visibility("default"))) TS_CResult_TrustedCommitmentTransactionNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TrustedCommitmentTransactionNoneZ _res_conv = *(LDKCResult_TrustedCommitmentTransactionNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TrustedCommitmentTransactionNoneZ _res_conv = *(LDKCResult_TrustedCommitmentTransactionNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TrustedCommitmentTransactionNoneZ_free(_res_conv);
 }
@@ -7955,7 +8044,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CVec_SignatureZNoneZ
 
 void  __attribute__((visibility("default"))) TS_CResult_CVec_SignatureZNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CVec_SignatureZNoneZ _res_conv = *(LDKCResult_CVec_SignatureZNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CVec_SignatureZNoneZ _res_conv = *(LDKCResult_CVec_SignatureZNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CVec_SignatureZNoneZ_free(_res_conv);
 }
@@ -7989,7 +8080,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ShutdownScriptDecode
 
 void  __attribute__((visibility("default"))) TS_CResult_ShutdownScriptDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ShutdownScriptDecodeErrorZ _res_conv = *(LDKCResult_ShutdownScriptDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ShutdownScriptDecodeErrorZ _res_conv = *(LDKCResult_ShutdownScriptDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ShutdownScriptDecodeErrorZ_free(_res_conv);
 }
@@ -8015,7 +8108,7 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ShutdownScriptInvali
        LDKInvalidShutdownScript e_conv;
        e_conv.inner = (void*)(e & (~1));
        e_conv.is_owned = (e & 1) || (e == 0);
-       // Warning: we need a move here but no clone is available for LDKInvalidShutdownScript
+       e_conv = InvalidShutdownScript_clone(&e_conv);
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptInvalidShutdownScriptZ), "LDKCResult_ShutdownScriptInvalidShutdownScriptZ");
        *ret_conv = CResult_ShutdownScriptInvalidShutdownScriptZ_err(e_conv);
        return (uint64_t)ret_conv;
@@ -8023,11 +8116,20 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ShutdownScriptInvali
 
 void  __attribute__((visibility("default"))) TS_CResult_ShutdownScriptInvalidShutdownScriptZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ShutdownScriptInvalidShutdownScriptZ _res_conv = *(LDKCResult_ShutdownScriptInvalidShutdownScriptZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ShutdownScriptInvalidShutdownScriptZ _res_conv = *(LDKCResult_ShutdownScriptInvalidShutdownScriptZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ShutdownScriptInvalidShutdownScriptZ_free(_res_conv);
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_CResult_ShutdownScriptInvalidShutdownScriptZ_clone(uint32_t orig) {
+       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 (uint64_t)ret_conv;
+}
+
 uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneErrorZ_ok() {
        LDKCResult_NoneErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneErrorZ), "LDKCResult_NoneErrorZ");
        *ret_conv = CResult_NoneErrorZ_ok();
@@ -8043,7 +8145,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneErrorZ_err(uint3
 
 void  __attribute__((visibility("default"))) TS_CResult_NoneErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneErrorZ _res_conv = *(LDKCResult_NoneErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneErrorZ _res_conv = *(LDKCResult_NoneErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneErrorZ_free(_res_conv);
 }
@@ -8077,7 +8181,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_RouteHopDecodeErrorZ
 
 void  __attribute__((visibility("default"))) TS_CResult_RouteHopDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RouteHopDecodeErrorZ _res_conv = *(LDKCResult_RouteHopDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RouteHopDecodeErrorZ _res_conv = *(LDKCResult_RouteHopDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RouteHopDecodeErrorZ_free(_res_conv);
 }
@@ -8158,7 +8264,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_RouteDecodeErrorZ_er
 
 void  __attribute__((visibility("default"))) TS_CResult_RouteDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RouteDecodeErrorZ _res_conv = *(LDKCResult_RouteDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RouteDecodeErrorZ _res_conv = *(LDKCResult_RouteDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RouteDecodeErrorZ_free(_res_conv);
 }
@@ -8186,7 +8294,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_u64Z_none() {
 
 void  __attribute__((visibility("default"))) TS_COption_u64Z_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_u64Z _res_conv = *(LDKCOption_u64Z*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_u64Z _res_conv = *(LDKCOption_u64Z*)(_res_ptr);
        FREE((void*)_res);
        COption_u64Z_free(_res_conv);
 }
@@ -8257,7 +8367,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_RouteLightningErrorZ
 
 void  __attribute__((visibility("default"))) TS_CResult_RouteLightningErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RouteLightningErrorZ _res_conv = *(LDKCResult_RouteLightningErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RouteLightningErrorZ _res_conv = *(LDKCResult_RouteLightningErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RouteLightningErrorZ_free(_res_conv);
 }
@@ -8270,7 +8382,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_RouteLightningErrorZ
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_TxOutAccessErrorZ_ok(uint32_t o) {
-       LDKTxOut o_conv = *(LDKTxOut*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKTxOut o_conv = *(LDKTxOut*)(o_ptr);
        o_conv = TxOut_clone((LDKTxOut*)(((uint64_t)o) & ~1));
        LDKCResult_TxOutAccessErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxOutAccessErrorZ), "LDKCResult_TxOutAccessErrorZ");
        *ret_conv = CResult_TxOutAccessErrorZ_ok(o_conv);
@@ -8286,7 +8400,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_TxOutAccessErrorZ_er
 
 void  __attribute__((visibility("default"))) TS_CResult_TxOutAccessErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TxOutAccessErrorZ _res_conv = *(LDKCResult_TxOutAccessErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TxOutAccessErrorZ _res_conv = *(LDKCResult_TxOutAccessErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TxOutAccessErrorZ_free(_res_conv);
 }
@@ -8318,7 +8434,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_usizeTransactionZ_ne
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_usizeTransactionZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_usizeTransactionZ _res_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_usizeTransactionZ _res_conv = *(LDKC2Tuple_usizeTransactionZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_usizeTransactionZ_free(_res_conv);
 }
@@ -8333,7 +8451,9 @@ void  __attribute__((visibility("default"))) TS_CVec_C2Tuple_usizeTransactionZZ_
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t c = 0; c < _res_constr.datalen; c++) {
                uint32_t _res_conv_28 = _res_vals[c];
-               LDKC2Tuple_usizeTransactionZ _res_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)_res_conv_28) & ~1);
+               void* _res_conv_28_ptr = (void*)(((uint64_t)_res_conv_28) & ~1);
+               CHECK_ACCESS(_res_conv_28_ptr);
+               LDKC2Tuple_usizeTransactionZ _res_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(_res_conv_28_ptr);
                FREE((void*)_res_conv_28);
                _res_constr.data[c] = _res_conv_28_conv;
        }
@@ -8373,7 +8493,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneChannelMonitorUp
 
 void  __attribute__((visibility("default"))) TS_CResult_NoneChannelMonitorUpdateErrZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneChannelMonitorUpdateErrZ _res_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ _res_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneChannelMonitorUpdateErrZ_free(_res_conv);
 }
@@ -8395,7 +8517,9 @@ void  __attribute__((visibility("default"))) TS_CVec_MonitorEventZ_free(uint32_t
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t o = 0; o < _res_constr.datalen; o++) {
                uint32_t _res_conv_14 = _res_vals[o];
-               LDKMonitorEvent _res_conv_14_conv = *(LDKMonitorEvent*)(((uint64_t)_res_conv_14) & ~1);
+               void* _res_conv_14_ptr = (void*)(((uint64_t)_res_conv_14) & ~1);
+               CHECK_ACCESS(_res_conv_14_ptr);
+               LDKMonitorEvent _res_conv_14_conv = *(LDKMonitorEvent*)(_res_conv_14_ptr);
                FREE((void*)_res_conv_14);
                _res_constr.data[o] = _res_conv_14_conv;
        }
@@ -8403,7 +8527,9 @@ void  __attribute__((visibility("default"))) TS_CVec_MonitorEventZ_free(uint32_t
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_COption_C2Tuple_usizeTransactionZZ_some(uint32_t o) {
-       LDKC2Tuple_usizeTransactionZ o_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_usizeTransactionZ o_conv = *(LDKC2Tuple_usizeTransactionZ*)(o_ptr);
        o_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)o) & ~1));
        LDKCOption_C2Tuple_usizeTransactionZZ *ret_copy = MALLOC(sizeof(LDKCOption_C2Tuple_usizeTransactionZZ), "LDKCOption_C2Tuple_usizeTransactionZZ");
        *ret_copy = COption_C2Tuple_usizeTransactionZZ_some(o_conv);
@@ -8420,7 +8546,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_C2Tuple_usizeTransac
 
 void  __attribute__((visibility("default"))) TS_COption_C2Tuple_usizeTransactionZZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_C2Tuple_usizeTransactionZZ _res_conv = *(LDKCOption_C2Tuple_usizeTransactionZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_C2Tuple_usizeTransactionZZ _res_conv = *(LDKCOption_C2Tuple_usizeTransactionZZ*)(_res_ptr);
        FREE((void*)_res);
        COption_C2Tuple_usizeTransactionZZ_free(_res_conv);
 }
@@ -8434,7 +8562,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_C2Tuple_usizeTransac
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_COption_NetworkUpdateZ_some(uint32_t o) {
-       LDKNetworkUpdate o_conv = *(LDKNetworkUpdate*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKNetworkUpdate o_conv = *(LDKNetworkUpdate*)(o_ptr);
        o_conv = NetworkUpdate_clone((LDKNetworkUpdate*)(((uint64_t)o) & ~1));
        LDKCOption_NetworkUpdateZ *ret_copy = MALLOC(sizeof(LDKCOption_NetworkUpdateZ), "LDKCOption_NetworkUpdateZ");
        *ret_copy = COption_NetworkUpdateZ_some(o_conv);
@@ -8451,7 +8581,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_NetworkUpdateZ_none(
 
 void  __attribute__((visibility("default"))) TS_COption_NetworkUpdateZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_NetworkUpdateZ _res_conv = *(LDKCOption_NetworkUpdateZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_NetworkUpdateZ _res_conv = *(LDKCOption_NetworkUpdateZ*)(_res_ptr);
        FREE((void*)_res);
        COption_NetworkUpdateZ_free(_res_conv);
 }
@@ -8474,7 +8606,9 @@ void  __attribute__((visibility("default"))) TS_CVec_SpendableOutputDescriptorZ_
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t b = 0; b < _res_constr.datalen; b++) {
                uint32_t _res_conv_27 = _res_vals[b];
-               LDKSpendableOutputDescriptor _res_conv_27_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)_res_conv_27) & ~1);
+               void* _res_conv_27_ptr = (void*)(((uint64_t)_res_conv_27) & ~1);
+               CHECK_ACCESS(_res_conv_27_ptr);
+               LDKSpendableOutputDescriptor _res_conv_27_conv = *(LDKSpendableOutputDescriptor*)(_res_conv_27_ptr);
                FREE((void*)_res_conv_27);
                _res_constr.data[b] = _res_conv_27_conv;
        }
@@ -8491,7 +8625,9 @@ void  __attribute__((visibility("default"))) TS_CVec_MessageSendEventZ_free(uint
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t s = 0; s < _res_constr.datalen; s++) {
                uint32_t _res_conv_18 = _res_vals[s];
-               LDKMessageSendEvent _res_conv_18_conv = *(LDKMessageSendEvent*)(((uint64_t)_res_conv_18) & ~1);
+               void* _res_conv_18_ptr = (void*)(((uint64_t)_res_conv_18) & ~1);
+               CHECK_ACCESS(_res_conv_18_ptr);
+               LDKMessageSendEvent _res_conv_18_conv = *(LDKMessageSendEvent*)(_res_conv_18_ptr);
                FREE((void*)_res_conv_18);
                _res_constr.data[s] = _res_conv_18_conv;
        }
@@ -8520,7 +8656,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_InitFeaturesDecodeEr
 
 void  __attribute__((visibility("default"))) TS_CResult_InitFeaturesDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InitFeaturesDecodeErrorZ _res_conv = *(LDKCResult_InitFeaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InitFeaturesDecodeErrorZ _res_conv = *(LDKCResult_InitFeaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InitFeaturesDecodeErrorZ_free(_res_conv);
 }
@@ -8547,7 +8685,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NodeFeaturesDecodeEr
 
 void  __attribute__((visibility("default"))) TS_CResult_NodeFeaturesDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeFeaturesDecodeErrorZ _res_conv = *(LDKCResult_NodeFeaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeFeaturesDecodeErrorZ _res_conv = *(LDKCResult_NodeFeaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeFeaturesDecodeErrorZ_free(_res_conv);
 }
@@ -8574,7 +8714,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ChannelFeaturesDecod
 
 void  __attribute__((visibility("default"))) TS_CResult_ChannelFeaturesDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelFeaturesDecodeErrorZ _res_conv = *(LDKCResult_ChannelFeaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelFeaturesDecodeErrorZ _res_conv = *(LDKCResult_ChannelFeaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelFeaturesDecodeErrorZ_free(_res_conv);
 }
@@ -8601,7 +8743,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_InvoiceFeaturesDecod
 
 void  __attribute__((visibility("default"))) TS_CResult_InvoiceFeaturesDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InvoiceFeaturesDecodeErrorZ _res_conv = *(LDKCResult_InvoiceFeaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InvoiceFeaturesDecodeErrorZ _res_conv = *(LDKCResult_InvoiceFeaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InvoiceFeaturesDecodeErrorZ_free(_res_conv);
 }
@@ -8628,7 +8772,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_DelayedPaymentOutput
 
 void  __attribute__((visibility("default"))) TS_CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_free(_res_conv);
 }
@@ -8662,7 +8808,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_StaticPaymentOutputD
 
 void  __attribute__((visibility("default"))) TS_CResult_StaticPaymentOutputDescriptorDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_StaticPaymentOutputDescriptorDecodeErrorZ_free(_res_conv);
 }
@@ -8675,7 +8823,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_StaticPaymentOutputD
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_SpendableOutputDescriptorDecodeErrorZ_ok(uint32_t o) {
-       LDKSpendableOutputDescriptor o_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKSpendableOutputDescriptor o_conv = *(LDKSpendableOutputDescriptor*)(o_ptr);
        o_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)o) & ~1));
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SpendableOutputDescriptorDecodeErrorZ), "LDKCResult_SpendableOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_SpendableOutputDescriptorDecodeErrorZ_ok(o_conv);
@@ -8694,7 +8844,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_SpendableOutputDescr
 
 void  __attribute__((visibility("default"))) TS_CResult_SpendableOutputDescriptorDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SpendableOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_SpendableOutputDescriptorDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SpendableOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_SpendableOutputDescriptorDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SpendableOutputDescriptorDecodeErrorZ_free(_res_conv);
 }
@@ -8720,7 +8872,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneNoneZ_err() {
 
 void  __attribute__((visibility("default"))) TS_CResult_NoneNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneNoneZ _res_conv = *(LDKCResult_NoneNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneNoneZ _res_conv = *(LDKCResult_NoneNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneNoneZ_free(_res_conv);
 }
@@ -8764,13 +8918,17 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_SignatureCVec_Signat
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_SignatureCVec_SignatureZZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_SignatureCVec_SignatureZZ _res_conv = *(LDKC2Tuple_SignatureCVec_SignatureZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_SignatureCVec_SignatureZZ _res_conv = *(LDKC2Tuple_SignatureCVec_SignatureZZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_SignatureCVec_SignatureZZ_free(_res_conv);
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_ok(uint32_t o) {
-       LDKC2Tuple_SignatureCVec_SignatureZZ o_conv = *(LDKC2Tuple_SignatureCVec_SignatureZZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_SignatureCVec_SignatureZZ o_conv = *(LDKC2Tuple_SignatureCVec_SignatureZZ*)(o_ptr);
        o_conv = C2Tuple_SignatureCVec_SignatureZZ_clone((LDKC2Tuple_SignatureCVec_SignatureZZ*)(((uint64_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);
@@ -8785,7 +8943,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_SignatureCVe
 
 void  __attribute__((visibility("default"))) TS_CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ _res_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ _res_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_free(_res_conv);
 }
@@ -8814,7 +8974,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_SignatureNoneZ_err()
 
 void  __attribute__((visibility("default"))) TS_CResult_SignatureNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SignatureNoneZ _res_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SignatureNoneZ _res_conv = *(LDKCResult_SignatureNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SignatureNoneZ_free(_res_conv);
 }
@@ -8827,7 +8989,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_SignatureNoneZ_clone
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_SignDecodeErrorZ_ok(uint32_t o) {
-       LDKSign o_conv = *(LDKSign*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKSign o_conv = *(LDKSign*)(o_ptr);
        LDKCResult_SignDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SignDecodeErrorZ), "LDKCResult_SignDecodeErrorZ");
        *ret_conv = CResult_SignDecodeErrorZ_ok(o_conv);
        return (uint64_t)ret_conv;
@@ -8845,7 +9009,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_SignDecodeErrorZ_err
 
 void  __attribute__((visibility("default"))) TS_CResult_SignDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SignDecodeErrorZ _res_conv = *(LDKCResult_SignDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SignDecodeErrorZ _res_conv = *(LDKCResult_SignDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SignDecodeErrorZ_free(_res_conv);
 }
@@ -8882,7 +9048,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_RecoverableSignature
 
 void  __attribute__((visibility("default"))) TS_CResult_RecoverableSignatureNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RecoverableSignatureNoneZ _res_conv = *(LDKCResult_RecoverableSignatureNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RecoverableSignatureNoneZ _res_conv = *(LDKCResult_RecoverableSignatureNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RecoverableSignatureNoneZ_free(_res_conv);
 }
@@ -8942,7 +9110,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CVec_CVec_u8ZZNoneZ_
 
 void  __attribute__((visibility("default"))) TS_CResult_CVec_CVec_u8ZZNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CVec_CVec_u8ZZNoneZ _res_conv = *(LDKCResult_CVec_CVec_u8ZZNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CVec_CVec_u8ZZNoneZ _res_conv = *(LDKCResult_CVec_CVec_u8ZZNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CVec_CVec_u8ZZNoneZ_free(_res_conv);
 }
@@ -8976,7 +9146,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_InMemorySignerDecode
 
 void  __attribute__((visibility("default"))) TS_CResult_InMemorySignerDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InMemorySignerDecodeErrorZ _res_conv = *(LDKCResult_InMemorySignerDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InMemorySignerDecodeErrorZ _res_conv = *(LDKCResult_InMemorySignerDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InMemorySignerDecodeErrorZ_free(_res_conv);
 }
@@ -8998,7 +9170,9 @@ void  __attribute__((visibility("default"))) TS_CVec_TxOutZ_free(uint32_tArray _
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t h = 0; h < _res_constr.datalen; h++) {
                uint32_t _res_conv_7 = _res_vals[h];
-               LDKTxOut _res_conv_7_conv = *(LDKTxOut*)(((uint64_t)_res_conv_7) & ~1);
+               void* _res_conv_7_ptr = (void*)(((uint64_t)_res_conv_7) & ~1);
+               CHECK_ACCESS(_res_conv_7_ptr);
+               LDKTxOut _res_conv_7_conv = *(LDKTxOut*)(_res_conv_7_ptr);
                FREE((void*)_res_conv_7);
                _res_constr.data[h] = _res_conv_7_conv;
        }
@@ -9024,7 +9198,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_TransactionNoneZ_err
 
 void  __attribute__((visibility("default"))) TS_CResult_TransactionNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TransactionNoneZ _res_conv = *(LDKCResult_TransactionNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TransactionNoneZ _res_conv = *(LDKCResult_TransactionNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TransactionNoneZ_free(_res_conv);
 }
@@ -9058,7 +9234,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_BlockHashChannelMoni
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_BlockHashChannelMonitorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_BlockHashChannelMonitorZ _res_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_BlockHashChannelMonitorZ _res_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_BlockHashChannelMonitorZ_free(_res_conv);
 }
@@ -9073,7 +9251,9 @@ void  __attribute__((visibility("default"))) TS_CVec_C2Tuple_BlockHashChannelMon
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t j = 0; j < _res_constr.datalen; j++) {
                uint32_t _res_conv_35 = _res_vals[j];
-               LDKC2Tuple_BlockHashChannelMonitorZ _res_conv_35_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)_res_conv_35) & ~1);
+               void* _res_conv_35_ptr = (void*)(((uint64_t)_res_conv_35) & ~1);
+               CHECK_ACCESS(_res_conv_35_ptr);
+               LDKC2Tuple_BlockHashChannelMonitorZ _res_conv_35_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(_res_conv_35_ptr);
                FREE((void*)_res_conv_35);
                _res_constr.data[j] = _res_conv_35_conv;
        }
@@ -9090,7 +9270,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CVec_C2Tuple_BlockHa
        uint32_t* o_vals = (uint32_t*)(o + 4);
        for (size_t j = 0; j < o_constr.datalen; j++) {
                uint32_t o_conv_35 = o_vals[j];
-               LDKC2Tuple_BlockHashChannelMonitorZ o_conv_35_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)o_conv_35) & ~1);
+               void* o_conv_35_ptr = (void*)(((uint64_t)o_conv_35) & ~1);
+               CHECK_ACCESS(o_conv_35_ptr);
+               LDKC2Tuple_BlockHashChannelMonitorZ o_conv_35_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(o_conv_35_ptr);
                o_conv_35_conv = C2Tuple_BlockHashChannelMonitorZ_clone((LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)o_conv_35) & ~1));
                o_constr.data[j] = o_conv_35_conv;
        }
@@ -9108,7 +9290,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CVec_C2Tuple_BlockHa
 
 void  __attribute__((visibility("default"))) TS_CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ _res_conv = *(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ _res_conv = *(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_free(_res_conv);
 }
@@ -9142,7 +9326,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PaymentIdDecodeError
 
 void  __attribute__((visibility("default"))) TS_CResult_PaymentIdDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PaymentIdDecodeErrorZ _res_conv = *(LDKCResult_PaymentIdDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PaymentIdDecodeErrorZ _res_conv = *(LDKCResult_PaymentIdDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PaymentIdDecodeErrorZ_free(_res_conv);
 }
@@ -9170,7 +9356,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_u16Z_none() {
 
 void  __attribute__((visibility("default"))) TS_COption_u16Z_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_u16Z _res_conv = *(LDKCOption_u16Z*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_u16Z _res_conv = *(LDKCOption_u16Z*)(_res_ptr);
        FREE((void*)_res);
        COption_u16Z_free(_res_conv);
 }
@@ -9190,7 +9378,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneAPIErrorZ_ok() {
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneAPIErrorZ_err(uint32_t e) {
-       LDKAPIError e_conv = *(LDKAPIError*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKAPIError e_conv = *(LDKAPIError*)(e_ptr);
        e_conv = APIError_clone((LDKAPIError*)(((uint64_t)e) & ~1));
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = CResult_NoneAPIErrorZ_err(e_conv);
@@ -9199,7 +9389,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneAPIErrorZ_err(ui
 
 void  __attribute__((visibility("default"))) TS_CResult_NoneAPIErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneAPIErrorZ _res_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneAPIErrorZ _res_conv = *(LDKCResult_NoneAPIErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneAPIErrorZ_free(_res_conv);
 }
@@ -9221,7 +9413,9 @@ void  __attribute__((visibility("default"))) TS_CVec_CResult_NoneAPIErrorZZ_free
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t w = 0; w < _res_constr.datalen; w++) {
                uint32_t _res_conv_22 = _res_vals[w];
-               LDKCResult_NoneAPIErrorZ _res_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)_res_conv_22) & ~1);
+               void* _res_conv_22_ptr = (void*)(((uint64_t)_res_conv_22) & ~1);
+               CHECK_ACCESS(_res_conv_22_ptr);
+               LDKCResult_NoneAPIErrorZ _res_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(_res_conv_22_ptr);
                FREE((void*)_res_conv_22);
                _res_constr.data[w] = _res_conv_22_conv;
        }
@@ -9238,7 +9432,9 @@ void  __attribute__((visibility("default"))) TS_CVec_APIErrorZ_free(uint32_tArra
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t k = 0; k < _res_constr.datalen; k++) {
                uint32_t _res_conv_10 = _res_vals[k];
-               LDKAPIError _res_conv_10_conv = *(LDKAPIError*)(((uint64_t)_res_conv_10) & ~1);
+               void* _res_conv_10_ptr = (void*)(((uint64_t)_res_conv_10) & ~1);
+               CHECK_ACCESS(_res_conv_10_ptr);
+               LDKAPIError _res_conv_10_conv = *(LDKAPIError*)(_res_conv_10_ptr);
                FREE((void*)_res_conv_10);
                _res_constr.data[k] = _res_conv_10_conv;
        }
@@ -9255,7 +9451,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult__u832APIErrorZ_ok(in
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult__u832APIErrorZ_err(uint32_t e) {
-       LDKAPIError e_conv = *(LDKAPIError*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKAPIError e_conv = *(LDKAPIError*)(e_ptr);
        e_conv = APIError_clone((LDKAPIError*)(((uint64_t)e) & ~1));
        LDKCResult__u832APIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult__u832APIErrorZ), "LDKCResult__u832APIErrorZ");
        *ret_conv = CResult__u832APIErrorZ_err(e_conv);
@@ -9264,7 +9462,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult__u832APIErrorZ_err(u
 
 void  __attribute__((visibility("default"))) TS_CResult__u832APIErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult__u832APIErrorZ _res_conv = *(LDKCResult__u832APIErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult__u832APIErrorZ _res_conv = *(LDKCResult__u832APIErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult__u832APIErrorZ_free(_res_conv);
 }
@@ -9287,7 +9487,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PaymentIdPaymentSend
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_PaymentIdPaymentSendFailureZ_err(uint32_t e) {
-       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(e_ptr);
        e_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uint64_t)e) & ~1));
        LDKCResult_PaymentIdPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentSendFailureZ), "LDKCResult_PaymentIdPaymentSendFailureZ");
        *ret_conv = CResult_PaymentIdPaymentSendFailureZ_err(e_conv);
@@ -9296,7 +9498,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PaymentIdPaymentSend
 
 void  __attribute__((visibility("default"))) TS_CResult_PaymentIdPaymentSendFailureZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PaymentIdPaymentSendFailureZ _res_conv = *(LDKCResult_PaymentIdPaymentSendFailureZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PaymentIdPaymentSendFailureZ _res_conv = *(LDKCResult_PaymentIdPaymentSendFailureZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PaymentIdPaymentSendFailureZ_free(_res_conv);
 }
@@ -9315,7 +9519,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NonePaymentSendFailu
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_NonePaymentSendFailureZ_err(uint32_t e) {
-       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(e_ptr);
        e_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uint64_t)e) & ~1));
        LDKCResult_NonePaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePaymentSendFailureZ), "LDKCResult_NonePaymentSendFailureZ");
        *ret_conv = CResult_NonePaymentSendFailureZ_err(e_conv);
@@ -9324,7 +9530,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NonePaymentSendFailu
 
 void  __attribute__((visibility("default"))) TS_CResult_NonePaymentSendFailureZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NonePaymentSendFailureZ _res_conv = *(LDKCResult_NonePaymentSendFailureZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NonePaymentSendFailureZ _res_conv = *(LDKCResult_NonePaymentSendFailureZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NonePaymentSendFailureZ_free(_res_conv);
 }
@@ -9358,13 +9566,17 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_PaymentHashPaymentId
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_PaymentHashPaymentIdZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_PaymentHashPaymentIdZ _res_conv = *(LDKC2Tuple_PaymentHashPaymentIdZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_PaymentHashPaymentIdZ _res_conv = *(LDKC2Tuple_PaymentHashPaymentIdZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_PaymentHashPaymentIdZ_free(_res_conv);
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_ok(uint32_t o) {
-       LDKC2Tuple_PaymentHashPaymentIdZ o_conv = *(LDKC2Tuple_PaymentHashPaymentIdZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_PaymentHashPaymentIdZ o_conv = *(LDKC2Tuple_PaymentHashPaymentIdZ*)(o_ptr);
        o_conv = C2Tuple_PaymentHashPaymentIdZ_clone((LDKC2Tuple_PaymentHashPaymentIdZ*)(((uint64_t)o) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ), "LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_ok(o_conv);
@@ -9372,7 +9584,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_PaymentHashP
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_err(uint32_t e) {
-       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(e_ptr);
        e_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uint64_t)e) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ), "LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_err(e_conv);
@@ -9381,7 +9595,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_PaymentHashP
 
 void  __attribute__((visibility("default"))) TS_CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ _res_conv = *(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ _res_conv = *(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_free(_res_conv);
 }
@@ -9403,7 +9619,9 @@ void  __attribute__((visibility("default"))) TS_CVec_NetAddressZ_free(uint32_tAr
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t m = 0; m < _res_constr.datalen; m++) {
                uint32_t _res_conv_12 = _res_vals[m];
-               LDKNetAddress _res_conv_12_conv = *(LDKNetAddress*)(((uint64_t)_res_conv_12) & ~1);
+               void* _res_conv_12_ptr = (void*)(((uint64_t)_res_conv_12) & ~1);
+               CHECK_ACCESS(_res_conv_12_ptr);
+               LDKNetAddress _res_conv_12_conv = *(LDKNetAddress*)(_res_conv_12_ptr);
                FREE((void*)_res_conv_12);
                _res_constr.data[m] = _res_conv_12_conv;
        }
@@ -9431,7 +9649,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_PaymentHashPaymentSe
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_PaymentHashPaymentSecretZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_PaymentHashPaymentSecretZ _res_conv = *(LDKC2Tuple_PaymentHashPaymentSecretZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_PaymentHashPaymentSecretZ _res_conv = *(LDKC2Tuple_PaymentHashPaymentSecretZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_PaymentHashPaymentSecretZ_free(_res_conv);
 }
@@ -9446,7 +9666,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PaymentSecretAPIErro
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_PaymentSecretAPIErrorZ_err(uint32_t e) {
-       LDKAPIError e_conv = *(LDKAPIError*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKAPIError e_conv = *(LDKAPIError*)(e_ptr);
        e_conv = APIError_clone((LDKAPIError*)(((uint64_t)e) & ~1));
        LDKCResult_PaymentSecretAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretAPIErrorZ), "LDKCResult_PaymentSecretAPIErrorZ");
        *ret_conv = CResult_PaymentSecretAPIErrorZ_err(e_conv);
@@ -9455,7 +9677,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PaymentSecretAPIErro
 
 void  __attribute__((visibility("default"))) TS_CResult_PaymentSecretAPIErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PaymentSecretAPIErrorZ _res_conv = *(LDKCResult_PaymentSecretAPIErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PaymentSecretAPIErrorZ _res_conv = *(LDKCResult_PaymentSecretAPIErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PaymentSecretAPIErrorZ_free(_res_conv);
 }
@@ -9500,13 +9724,17 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_BlockHashChannelMana
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_BlockHashChannelManagerZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_BlockHashChannelManagerZ _res_conv = *(LDKC2Tuple_BlockHashChannelManagerZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_BlockHashChannelManagerZ _res_conv = *(LDKC2Tuple_BlockHashChannelManagerZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_BlockHashChannelManagerZ_free(_res_conv);
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_ok(uint32_t o) {
-       LDKC2Tuple_BlockHashChannelManagerZ o_conv = *(LDKC2Tuple_BlockHashChannelManagerZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_BlockHashChannelManagerZ o_conv = *(LDKC2Tuple_BlockHashChannelManagerZ*)(o_ptr);
        // 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);
@@ -9525,7 +9753,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_BlockHashCha
 
 void  __attribute__((visibility("default"))) TS_CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ _res_conv = *(LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ _res_conv = *(LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_free(_res_conv);
 }
@@ -9552,7 +9782,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ChannelConfigDecodeE
 
 void  __attribute__((visibility("default"))) TS_CResult_ChannelConfigDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelConfigDecodeErrorZ _res_conv = *(LDKCResult_ChannelConfigDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelConfigDecodeErrorZ _res_conv = *(LDKCResult_ChannelConfigDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelConfigDecodeErrorZ_free(_res_conv);
 }
@@ -9586,7 +9818,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_OutPointDecodeErrorZ
 
 void  __attribute__((visibility("default"))) TS_CResult_OutPointDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_OutPointDecodeErrorZ _res_conv = *(LDKCResult_OutPointDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_OutPointDecodeErrorZ _res_conv = *(LDKCResult_OutPointDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_OutPointDecodeErrorZ_free(_res_conv);
 }
@@ -9599,7 +9833,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_OutPointDecodeErrorZ
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_COption_TypeZ_some(uint32_t o) {
-       LDKType o_conv = *(LDKType*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKType o_conv = *(LDKType*)(o_ptr);
        LDKCOption_TypeZ *ret_copy = MALLOC(sizeof(LDKCOption_TypeZ), "LDKCOption_TypeZ");
        *ret_copy = COption_TypeZ_some(o_conv);
        uint64_t ret_ref = (uint64_t)ret_copy;
@@ -9615,7 +9851,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_TypeZ_none() {
 
 void  __attribute__((visibility("default"))) TS_COption_TypeZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_TypeZ _res_conv = *(LDKCOption_TypeZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_TypeZ _res_conv = *(LDKCOption_TypeZ*)(_res_ptr);
        FREE((void*)_res);
        COption_TypeZ_free(_res_conv);
 }
@@ -9629,7 +9867,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_TypeZ_clone(uint32_t
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_COption_TypeZDecodeErrorZ_ok(uint32_t o) {
-       LDKCOption_TypeZ o_conv = *(LDKCOption_TypeZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKCOption_TypeZ o_conv = *(LDKCOption_TypeZ*)(o_ptr);
        o_conv = COption_TypeZ_clone((LDKCOption_TypeZ*)(((uint64_t)o) & ~1));
        LDKCResult_COption_TypeZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_TypeZDecodeErrorZ), "LDKCResult_COption_TypeZDecodeErrorZ");
        *ret_conv = CResult_COption_TypeZDecodeErrorZ_ok(o_conv);
@@ -9648,7 +9888,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_COption_TypeZDecodeE
 
 void  __attribute__((visibility("default"))) TS_CResult_COption_TypeZDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_COption_TypeZDecodeErrorZ _res_conv = *(LDKCResult_COption_TypeZDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_COption_TypeZDecodeErrorZ _res_conv = *(LDKCResult_COption_TypeZDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_COption_TypeZDecodeErrorZ_free(_res_conv);
 }
@@ -9675,7 +9917,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_SiPrefixNoneZ_err()
 
 void  __attribute__((visibility("default"))) TS_CResult_SiPrefixNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SiPrefixNoneZ _res_conv = *(LDKCResult_SiPrefixNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SiPrefixNoneZ _res_conv = *(LDKCResult_SiPrefixNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SiPrefixNoneZ_free(_res_conv);
 }
@@ -9705,7 +9949,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_InvoiceNoneZ_err() {
 
 void  __attribute__((visibility("default"))) TS_CResult_InvoiceNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InvoiceNoneZ _res_conv = *(LDKCResult_InvoiceNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InvoiceNoneZ _res_conv = *(LDKCResult_InvoiceNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InvoiceNoneZ_free(_res_conv);
 }
@@ -9735,7 +9981,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_SignedRawInvoiceNone
 
 void  __attribute__((visibility("default"))) TS_CResult_SignedRawInvoiceNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SignedRawInvoiceNoneZ _res_conv = *(LDKCResult_SignedRawInvoiceNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SignedRawInvoiceNoneZ _res_conv = *(LDKCResult_SignedRawInvoiceNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SignedRawInvoiceNoneZ_free(_res_conv);
 }
@@ -9773,7 +10021,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C3Tuple_RawInvoice_u832Invoi
 
 void  __attribute__((visibility("default"))) TS_C3Tuple_RawInvoice_u832InvoiceSignatureZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ _res_conv = *(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ _res_conv = *(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ*)(_res_ptr);
        FREE((void*)_res);
        C3Tuple_RawInvoice_u832InvoiceSignatureZ_free(_res_conv);
 }
@@ -9797,7 +10047,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PayeePubKeyErrorZ_er
 
 void  __attribute__((visibility("default"))) TS_CResult_PayeePubKeyErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PayeePubKeyErrorZ _res_conv = *(LDKCResult_PayeePubKeyErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PayeePubKeyErrorZ _res_conv = *(LDKCResult_PayeePubKeyErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PayeePubKeyErrorZ_free(_res_conv);
 }
@@ -9846,7 +10098,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PositiveTimestampCre
 
 void  __attribute__((visibility("default"))) TS_CResult_PositiveTimestampCreationErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PositiveTimestampCreationErrorZ _res_conv = *(LDKCResult_PositiveTimestampCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PositiveTimestampCreationErrorZ _res_conv = *(LDKCResult_PositiveTimestampCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PositiveTimestampCreationErrorZ_free(_res_conv);
 }
@@ -9873,7 +10127,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneSemanticErrorZ_e
 
 void  __attribute__((visibility("default"))) TS_CResult_NoneSemanticErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneSemanticErrorZ _res_conv = *(LDKCResult_NoneSemanticErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneSemanticErrorZ _res_conv = *(LDKCResult_NoneSemanticErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneSemanticErrorZ_free(_res_conv);
 }
@@ -9904,7 +10160,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_InvoiceSemanticError
 
 void  __attribute__((visibility("default"))) TS_CResult_InvoiceSemanticErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InvoiceSemanticErrorZ _res_conv = *(LDKCResult_InvoiceSemanticErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InvoiceSemanticErrorZ _res_conv = *(LDKCResult_InvoiceSemanticErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InvoiceSemanticErrorZ_free(_res_conv);
 }
@@ -9935,7 +10193,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_DescriptionCreationE
 
 void  __attribute__((visibility("default"))) TS_CResult_DescriptionCreationErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_DescriptionCreationErrorZ _res_conv = *(LDKCResult_DescriptionCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_DescriptionCreationErrorZ _res_conv = *(LDKCResult_DescriptionCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_DescriptionCreationErrorZ_free(_res_conv);
 }
@@ -9966,7 +10226,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ExpiryTimeCreationEr
 
 void  __attribute__((visibility("default"))) TS_CResult_ExpiryTimeCreationErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ExpiryTimeCreationErrorZ _res_conv = *(LDKCResult_ExpiryTimeCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ExpiryTimeCreationErrorZ _res_conv = *(LDKCResult_ExpiryTimeCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ExpiryTimeCreationErrorZ_free(_res_conv);
 }
@@ -9997,7 +10259,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PrivateRouteCreation
 
 void  __attribute__((visibility("default"))) TS_CResult_PrivateRouteCreationErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PrivateRouteCreationErrorZ _res_conv = *(LDKCResult_PrivateRouteCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PrivateRouteCreationErrorZ _res_conv = *(LDKCResult_PrivateRouteCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PrivateRouteCreationErrorZ_free(_res_conv);
 }
@@ -10025,7 +10289,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_StringErrorZ_err(uin
 
 void  __attribute__((visibility("default"))) TS_CResult_StringErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_StringErrorZ _res_conv = *(LDKCResult_StringErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_StringErrorZ _res_conv = *(LDKCResult_StringErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_StringErrorZ_free(_res_conv);
 }
@@ -10052,7 +10318,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ChannelMonitorUpdate
 
 void  __attribute__((visibility("default"))) TS_CResult_ChannelMonitorUpdateDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelMonitorUpdateDecodeErrorZ _res_conv = *(LDKCResult_ChannelMonitorUpdateDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelMonitorUpdateDecodeErrorZ _res_conv = *(LDKCResult_ChannelMonitorUpdateDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelMonitorUpdateDecodeErrorZ_free(_res_conv);
 }
@@ -10086,7 +10354,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_HTLCUpdateDecodeErro
 
 void  __attribute__((visibility("default"))) TS_CResult_HTLCUpdateDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_HTLCUpdateDecodeErrorZ _res_conv = *(LDKCResult_HTLCUpdateDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_HTLCUpdateDecodeErrorZ _res_conv = *(LDKCResult_HTLCUpdateDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_HTLCUpdateDecodeErrorZ_free(_res_conv);
 }
@@ -10116,7 +10386,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneMonitorUpdateErr
 
 void  __attribute__((visibility("default"))) TS_CResult_NoneMonitorUpdateErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneMonitorUpdateErrorZ _res_conv = *(LDKCResult_NoneMonitorUpdateErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneMonitorUpdateErrorZ _res_conv = *(LDKCResult_NoneMonitorUpdateErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneMonitorUpdateErrorZ_free(_res_conv);
 }
@@ -10151,7 +10423,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_OutPointScriptZ_new(
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_OutPointScriptZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_OutPointScriptZ _res_conv = *(LDKC2Tuple_OutPointScriptZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_OutPointScriptZ _res_conv = *(LDKC2Tuple_OutPointScriptZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_OutPointScriptZ_free(_res_conv);
 }
@@ -10175,7 +10449,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_u32ScriptZ_new(int32
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_u32ScriptZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_u32ScriptZ _res_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_u32ScriptZ _res_conv = *(LDKC2Tuple_u32ScriptZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_u32ScriptZ_free(_res_conv);
 }
@@ -10190,7 +10466,9 @@ void  __attribute__((visibility("default"))) TS_CVec_C2Tuple_u32ScriptZZ_free(ui
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t v = 0; v < _res_constr.datalen; v++) {
                uint32_t _res_conv_21 = _res_vals[v];
-               LDKC2Tuple_u32ScriptZ _res_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)_res_conv_21) & ~1);
+               void* _res_conv_21_ptr = (void*)(((uint64_t)_res_conv_21) & ~1);
+               CHECK_ACCESS(_res_conv_21_ptr);
+               LDKC2Tuple_u32ScriptZ _res_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(_res_conv_21_ptr);
                FREE((void*)_res_conv_21);
                _res_constr.data[v] = _res_conv_21_conv;
        }
@@ -10217,7 +10495,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_TxidCVec_C2Tuple_u32
        uint32_t* b_vals = (uint32_t*)(b + 4);
        for (size_t v = 0; v < b_constr.datalen; v++) {
                uint32_t b_conv_21 = b_vals[v];
-               LDKC2Tuple_u32ScriptZ b_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)b_conv_21) & ~1);
+               void* b_conv_21_ptr = (void*)(((uint64_t)b_conv_21) & ~1);
+               CHECK_ACCESS(b_conv_21_ptr);
+               LDKC2Tuple_u32ScriptZ b_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(b_conv_21_ptr);
                b_conv_21_conv = C2Tuple_u32ScriptZ_clone((LDKC2Tuple_u32ScriptZ*)(((uint64_t)b_conv_21) & ~1));
                b_constr.data[v] = b_conv_21_conv;
        }
@@ -10228,7 +10508,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_TxidCVec_C2Tuple_u32
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ _res_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ _res_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_free(_res_conv);
 }
@@ -10243,7 +10525,9 @@ void  __attribute__((visibility("default"))) TS_CVec_C2Tuple_TxidCVec_C2Tuple_u3
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t o = 0; o < _res_constr.datalen; o++) {
                uint32_t _res_conv_40 = _res_vals[o];
-               LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ _res_conv_40_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(((uint64_t)_res_conv_40) & ~1);
+               void* _res_conv_40_ptr = (void*)(((uint64_t)_res_conv_40) & ~1);
+               CHECK_ACCESS(_res_conv_40_ptr);
+               LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ _res_conv_40_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(_res_conv_40_ptr);
                FREE((void*)_res_conv_40);
                _res_constr.data[o] = _res_conv_40_conv;
        }
@@ -10260,7 +10544,9 @@ void  __attribute__((visibility("default"))) TS_CVec_EventZ_free(uint32_tArray _
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t h = 0; h < _res_constr.datalen; h++) {
                uint32_t _res_conv_7 = _res_vals[h];
-               LDKEvent _res_conv_7_conv = *(LDKEvent*)(((uint64_t)_res_conv_7) & ~1);
+               void* _res_conv_7_ptr = (void*)(((uint64_t)_res_conv_7) & ~1);
+               CHECK_ACCESS(_res_conv_7_ptr);
+               LDKEvent _res_conv_7_conv = *(LDKEvent*)(_res_conv_7_ptr);
                FREE((void*)_res_conv_7);
                _res_constr.data[h] = _res_conv_7_conv;
        }
@@ -10295,7 +10581,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_u32TxOutZ_clone(uint
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_u32TxOutZ_new(int32_t a, uint32_t b) {
-       LDKTxOut b_conv = *(LDKTxOut*)(((uint64_t)b) & ~1);
+       void* b_ptr = (void*)(((uint64_t)b) & ~1);
+       CHECK_ACCESS(b_ptr);
+       LDKTxOut b_conv = *(LDKTxOut*)(b_ptr);
        b_conv = TxOut_clone((LDKTxOut*)(((uint64_t)b) & ~1));
        LDKC2Tuple_u32TxOutZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_u32TxOutZ), "LDKC2Tuple_u32TxOutZ");
        *ret_conv = C2Tuple_u32TxOutZ_new(a, b_conv);
@@ -10304,7 +10592,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_u32TxOutZ_new(int32_
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_u32TxOutZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_u32TxOutZ _res_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_u32TxOutZ _res_conv = *(LDKC2Tuple_u32TxOutZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_u32TxOutZ_free(_res_conv);
 }
@@ -10319,7 +10609,9 @@ void  __attribute__((visibility("default"))) TS_CVec_C2Tuple_u32TxOutZZ_free(uin
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t u = 0; u < _res_constr.datalen; u++) {
                uint32_t _res_conv_20 = _res_vals[u];
-               LDKC2Tuple_u32TxOutZ _res_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)_res_conv_20) & ~1);
+               void* _res_conv_20_ptr = (void*)(((uint64_t)_res_conv_20) & ~1);
+               CHECK_ACCESS(_res_conv_20_ptr);
+               LDKC2Tuple_u32TxOutZ _res_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(_res_conv_20_ptr);
                FREE((void*)_res_conv_20);
                _res_constr.data[u] = _res_conv_20_conv;
        }
@@ -10346,7 +10638,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_TxidCVec_C2Tuple_u32
        uint32_t* b_vals = (uint32_t*)(b + 4);
        for (size_t u = 0; u < b_constr.datalen; u++) {
                uint32_t b_conv_20 = b_vals[u];
-               LDKC2Tuple_u32TxOutZ b_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)b_conv_20) & ~1);
+               void* b_conv_20_ptr = (void*)(((uint64_t)b_conv_20) & ~1);
+               CHECK_ACCESS(b_conv_20_ptr);
+               LDKC2Tuple_u32TxOutZ b_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(b_conv_20_ptr);
                b_conv_20_conv = C2Tuple_u32TxOutZ_clone((LDKC2Tuple_u32TxOutZ*)(((uint64_t)b_conv_20) & ~1));
                b_constr.data[u] = b_conv_20_conv;
        }
@@ -10357,7 +10651,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_TxidCVec_C2Tuple_u32
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ _res_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ _res_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_free(_res_conv);
 }
@@ -10372,7 +10668,9 @@ void  __attribute__((visibility("default"))) TS_CVec_C2Tuple_TxidCVec_C2Tuple_u3
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t n = 0; n < _res_constr.datalen; n++) {
                uint32_t _res_conv_39 = _res_vals[n];
-               LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ _res_conv_39_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(((uint64_t)_res_conv_39) & ~1);
+               void* _res_conv_39_ptr = (void*)(((uint64_t)_res_conv_39) & ~1);
+               CHECK_ACCESS(_res_conv_39_ptr);
+               LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ _res_conv_39_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(_res_conv_39_ptr);
                FREE((void*)_res_conv_39);
                _res_constr.data[n] = _res_conv_39_conv;
        }
@@ -10389,7 +10687,9 @@ void  __attribute__((visibility("default"))) TS_CVec_BalanceZ_free(uint32_tArray
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t j = 0; j < _res_constr.datalen; j++) {
                uint32_t _res_conv_9 = _res_vals[j];
-               LDKBalance _res_conv_9_conv = *(LDKBalance*)(((uint64_t)_res_conv_9) & ~1);
+               void* _res_conv_9_ptr = (void*)(((uint64_t)_res_conv_9) & ~1);
+               CHECK_ACCESS(_res_conv_9_ptr);
+               LDKBalance _res_conv_9_conv = *(LDKBalance*)(_res_conv_9_ptr);
                FREE((void*)_res_conv_9);
                _res_constr.data[j] = _res_conv_9_conv;
        }
@@ -10397,7 +10697,9 @@ void  __attribute__((visibility("default"))) TS_CVec_BalanceZ_free(uint32_tArray
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_ok(uint32_t o) {
-       LDKC2Tuple_BlockHashChannelMonitorZ o_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_BlockHashChannelMonitorZ o_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(o_ptr);
        o_conv = C2Tuple_BlockHashChannelMonitorZ_clone((LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)o) & ~1));
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ");
        *ret_conv = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_ok(o_conv);
@@ -10416,7 +10718,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_BlockHashCha
 
 void  __attribute__((visibility("default"))) TS_CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ _res_conv = *(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ _res_conv = *(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_free(_res_conv);
 }
@@ -10446,7 +10750,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneLightningErrorZ_
 
 void  __attribute__((visibility("default"))) TS_CResult_NoneLightningErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneLightningErrorZ _res_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneLightningErrorZ _res_conv = *(LDKCResult_NoneLightningErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneLightningErrorZ_free(_res_conv);
 }
@@ -10469,7 +10775,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_PublicKeyTypeZ_new(i
        LDKPublicKey a_ref;
        CHECK(*((uint32_t*)a) == 33);
        memcpy(a_ref.compressed_form, (uint8_t*)(a + 4), 33);
-       LDKType b_conv = *(LDKType*)(((uint64_t)b) & ~1);
+       void* b_ptr = (void*)(((uint64_t)b) & ~1);
+       CHECK_ACCESS(b_ptr);
+       LDKType b_conv = *(LDKType*)(b_ptr);
        LDKC2Tuple_PublicKeyTypeZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PublicKeyTypeZ), "LDKC2Tuple_PublicKeyTypeZ");
        *ret_conv = C2Tuple_PublicKeyTypeZ_new(a_ref, b_conv);
        return ((uint64_t)ret_conv);
@@ -10477,7 +10785,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_PublicKeyTypeZ_new(i
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_PublicKeyTypeZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_PublicKeyTypeZ _res_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_PublicKeyTypeZ _res_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_PublicKeyTypeZ_free(_res_conv);
 }
@@ -10492,7 +10802,9 @@ void  __attribute__((visibility("default"))) TS_CVec_C2Tuple_PublicKeyTypeZZ_fre
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t z = 0; z < _res_constr.datalen; z++) {
                uint32_t _res_conv_25 = _res_vals[z];
-               LDKC2Tuple_PublicKeyTypeZ _res_conv_25_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)_res_conv_25) & ~1);
+               void* _res_conv_25_ptr = (void*)(((uint64_t)_res_conv_25) & ~1);
+               CHECK_ACCESS(_res_conv_25_ptr);
+               LDKC2Tuple_PublicKeyTypeZ _res_conv_25_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(_res_conv_25_ptr);
                FREE((void*)_res_conv_25);
                _res_constr.data[z] = _res_conv_25_conv;
        }
@@ -10517,7 +10829,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_boolLightningErrorZ_
 
 void  __attribute__((visibility("default"))) TS_CResult_boolLightningErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_boolLightningErrorZ _res_conv = *(LDKCResult_boolLightningErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_boolLightningErrorZ _res_conv = *(LDKCResult_boolLightningErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_boolLightningErrorZ_free(_res_conv);
 }
@@ -10556,7 +10870,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C3Tuple_ChannelAnnouncementC
 
 void  __attribute__((visibility("default"))) TS_C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ _res_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ _res_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(_res_ptr);
        FREE((void*)_res);
        C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_free(_res_conv);
 }
@@ -10571,7 +10887,9 @@ void  __attribute__((visibility("default"))) TS_CVec_C3Tuple_ChannelAnnouncement
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t h = 0; h < _res_constr.datalen; h++) {
                uint32_t _res_conv_59 = _res_vals[h];
-               LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ _res_conv_59_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)_res_conv_59) & ~1);
+               void* _res_conv_59_ptr = (void*)(((uint64_t)_res_conv_59) & ~1);
+               CHECK_ACCESS(_res_conv_59_ptr);
+               LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ _res_conv_59_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(_res_conv_59_ptr);
                FREE((void*)_res_conv_59);
                _res_constr.data[h] = _res_conv_59_conv;
        }
@@ -10636,7 +10954,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CVec_u8ZPeerHandleEr
 
 void  __attribute__((visibility("default"))) TS_CResult_CVec_u8ZPeerHandleErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CVec_u8ZPeerHandleErrorZ _res_conv = *(LDKCResult_CVec_u8ZPeerHandleErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CVec_u8ZPeerHandleErrorZ _res_conv = *(LDKCResult_CVec_u8ZPeerHandleErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CVec_u8ZPeerHandleErrorZ_free(_res_conv);
 }
@@ -10666,7 +10986,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NonePeerHandleErrorZ
 
 void  __attribute__((visibility("default"))) TS_CResult_NonePeerHandleErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NonePeerHandleErrorZ _res_conv = *(LDKCResult_NonePeerHandleErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NonePeerHandleErrorZ _res_conv = *(LDKCResult_NonePeerHandleErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NonePeerHandleErrorZ_free(_res_conv);
 }
@@ -10696,7 +11018,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_boolPeerHandleErrorZ
 
 void  __attribute__((visibility("default"))) TS_CResult_boolPeerHandleErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_boolPeerHandleErrorZ _res_conv = *(LDKCResult_boolPeerHandleErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_boolPeerHandleErrorZ _res_conv = *(LDKCResult_boolPeerHandleErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_boolPeerHandleErrorZ_free(_res_conv);
 }
@@ -10730,7 +11054,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NodeIdDecodeErrorZ_e
 
 void  __attribute__((visibility("default"))) TS_CResult_NodeIdDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeIdDecodeErrorZ _res_conv = *(LDKCResult_NodeIdDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeIdDecodeErrorZ _res_conv = *(LDKCResult_NodeIdDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeIdDecodeErrorZ_free(_res_conv);
 }
@@ -10743,7 +11069,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NodeIdDecodeErrorZ_c
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_COption_AccessZ_some(uint32_t o) {
-       LDKAccess o_conv = *(LDKAccess*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKAccess o_conv = *(LDKAccess*)(o_ptr);
        LDKCOption_AccessZ *ret_copy = MALLOC(sizeof(LDKCOption_AccessZ), "LDKCOption_AccessZ");
        *ret_copy = COption_AccessZ_some(o_conv);
        uint64_t ret_ref = (uint64_t)ret_copy;
@@ -10759,7 +11087,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_AccessZ_none() {
 
 void  __attribute__((visibility("default"))) TS_COption_AccessZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_AccessZ _res_conv = *(LDKCOption_AccessZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_AccessZ _res_conv = *(LDKCOption_AccessZ*)(_res_ptr);
        FREE((void*)_res);
        COption_AccessZ_free(_res_conv);
 }
@@ -10786,7 +11116,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_DirectionalChannelIn
 
 void  __attribute__((visibility("default"))) TS_CResult_DirectionalChannelInfoDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_DirectionalChannelInfoDecodeErrorZ _res_conv = *(LDKCResult_DirectionalChannelInfoDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_DirectionalChannelInfoDecodeErrorZ _res_conv = *(LDKCResult_DirectionalChannelInfoDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_DirectionalChannelInfoDecodeErrorZ_free(_res_conv);
 }
@@ -10820,7 +11152,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ChannelInfoDecodeErr
 
 void  __attribute__((visibility("default"))) TS_CResult_ChannelInfoDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelInfoDecodeErrorZ _res_conv = *(LDKCResult_ChannelInfoDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelInfoDecodeErrorZ _res_conv = *(LDKCResult_ChannelInfoDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelInfoDecodeErrorZ_free(_res_conv);
 }
@@ -10854,7 +11188,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_RoutingFeesDecodeErr
 
 void  __attribute__((visibility("default"))) TS_CResult_RoutingFeesDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RoutingFeesDecodeErrorZ _res_conv = *(LDKCResult_RoutingFeesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RoutingFeesDecodeErrorZ _res_conv = *(LDKCResult_RoutingFeesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RoutingFeesDecodeErrorZ_free(_res_conv);
 }
@@ -10888,7 +11224,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NodeAnnouncementInfo
 
 void  __attribute__((visibility("default"))) TS_CResult_NodeAnnouncementInfoDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeAnnouncementInfoDecodeErrorZ _res_conv = *(LDKCResult_NodeAnnouncementInfoDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeAnnouncementInfoDecodeErrorZ _res_conv = *(LDKCResult_NodeAnnouncementInfoDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeAnnouncementInfoDecodeErrorZ_free(_res_conv);
 }
@@ -10937,7 +11275,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NodeInfoDecodeErrorZ
 
 void  __attribute__((visibility("default"))) TS_CResult_NodeInfoDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeInfoDecodeErrorZ _res_conv = *(LDKCResult_NodeInfoDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeInfoDecodeErrorZ _res_conv = *(LDKCResult_NodeInfoDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeInfoDecodeErrorZ_free(_res_conv);
 }
@@ -10971,7 +11311,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NetworkGraphDecodeEr
 
 void  __attribute__((visibility("default"))) TS_CResult_NetworkGraphDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NetworkGraphDecodeErrorZ _res_conv = *(LDKCResult_NetworkGraphDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NetworkGraphDecodeErrorZ _res_conv = *(LDKCResult_NetworkGraphDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NetworkGraphDecodeErrorZ_free(_res_conv);
 }
@@ -10993,7 +11335,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_CVec_NetAddressZZ_so
        uint32_t* o_vals = (uint32_t*)(o + 4);
        for (size_t m = 0; m < o_constr.datalen; m++) {
                uint32_t o_conv_12 = o_vals[m];
-               LDKNetAddress o_conv_12_conv = *(LDKNetAddress*)(((uint64_t)o_conv_12) & ~1);
+               void* o_conv_12_ptr = (void*)(((uint64_t)o_conv_12) & ~1);
+               CHECK_ACCESS(o_conv_12_ptr);
+               LDKNetAddress o_conv_12_conv = *(LDKNetAddress*)(o_conv_12_ptr);
                o_conv_12_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)o_conv_12) & ~1));
                o_constr.data[m] = o_conv_12_conv;
        }
@@ -11012,7 +11356,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_CVec_NetAddressZZ_no
 
 void  __attribute__((visibility("default"))) TS_COption_CVec_NetAddressZZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_CVec_NetAddressZZ _res_conv = *(LDKCOption_CVec_NetAddressZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_CVec_NetAddressZZ _res_conv = *(LDKCOption_CVec_NetAddressZZ*)(_res_ptr);
        FREE((void*)_res);
        COption_CVec_NetAddressZZ_free(_res_conv);
 }
@@ -11026,7 +11372,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_CVec_NetAddressZZ_cl
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_NetAddressu8Z_ok(uint32_t o) {
-       LDKNetAddress o_conv = *(LDKNetAddress*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKNetAddress o_conv = *(LDKNetAddress*)(o_ptr);
        o_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)o) & ~1));
        LDKCResult_NetAddressu8Z* ret_conv = MALLOC(sizeof(LDKCResult_NetAddressu8Z), "LDKCResult_NetAddressu8Z");
        *ret_conv = CResult_NetAddressu8Z_ok(o_conv);
@@ -11041,7 +11389,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NetAddressu8Z_err(in
 
 void  __attribute__((visibility("default"))) TS_CResult_NetAddressu8Z_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NetAddressu8Z _res_conv = *(LDKCResult_NetAddressu8Z*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NetAddressu8Z _res_conv = *(LDKCResult_NetAddressu8Z*)(_res_ptr);
        FREE((void*)_res);
        CResult_NetAddressu8Z_free(_res_conv);
 }
@@ -11054,7 +11404,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NetAddressu8Z_clone(
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_CResult_NetAddressu8ZDecodeErrorZ_ok(uint32_t o) {
-       LDKCResult_NetAddressu8Z o_conv = *(LDKCResult_NetAddressu8Z*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKCResult_NetAddressu8Z o_conv = *(LDKCResult_NetAddressu8Z*)(o_ptr);
        o_conv = CResult_NetAddressu8Z_clone((LDKCResult_NetAddressu8Z*)(((uint64_t)o) & ~1));
        LDKCResult_CResult_NetAddressu8ZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CResult_NetAddressu8ZDecodeErrorZ), "LDKCResult_CResult_NetAddressu8ZDecodeErrorZ");
        *ret_conv = CResult_CResult_NetAddressu8ZDecodeErrorZ_ok(o_conv);
@@ -11073,7 +11425,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CResult_NetAddressu8
 
 void  __attribute__((visibility("default"))) TS_CResult_CResult_NetAddressu8ZDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CResult_NetAddressu8ZDecodeErrorZ _res_conv = *(LDKCResult_CResult_NetAddressu8ZDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CResult_NetAddressu8ZDecodeErrorZ _res_conv = *(LDKCResult_CResult_NetAddressu8ZDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CResult_NetAddressu8ZDecodeErrorZ_free(_res_conv);
 }
@@ -11086,7 +11440,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CResult_NetAddressu8
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_NetAddressDecodeErrorZ_ok(uint32_t o) {
-       LDKNetAddress o_conv = *(LDKNetAddress*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKNetAddress o_conv = *(LDKNetAddress*)(o_ptr);
        o_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)o) & ~1));
        LDKCResult_NetAddressDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetAddressDecodeErrorZ), "LDKCResult_NetAddressDecodeErrorZ");
        *ret_conv = CResult_NetAddressDecodeErrorZ_ok(o_conv);
@@ -11105,7 +11461,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NetAddressDecodeErro
 
 void  __attribute__((visibility("default"))) TS_CResult_NetAddressDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NetAddressDecodeErrorZ _res_conv = *(LDKCResult_NetAddressDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NetAddressDecodeErrorZ _res_conv = *(LDKCResult_NetAddressDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NetAddressDecodeErrorZ_free(_res_conv);
 }
@@ -11211,7 +11569,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_AcceptChannelDecodeE
 
 void  __attribute__((visibility("default"))) TS_CResult_AcceptChannelDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_AcceptChannelDecodeErrorZ _res_conv = *(LDKCResult_AcceptChannelDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_AcceptChannelDecodeErrorZ _res_conv = *(LDKCResult_AcceptChannelDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_AcceptChannelDecodeErrorZ_free(_res_conv);
 }
@@ -11245,7 +11605,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_AnnouncementSignatur
 
 void  __attribute__((visibility("default"))) TS_CResult_AnnouncementSignaturesDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_AnnouncementSignaturesDecodeErrorZ _res_conv = *(LDKCResult_AnnouncementSignaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_AnnouncementSignaturesDecodeErrorZ _res_conv = *(LDKCResult_AnnouncementSignaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_AnnouncementSignaturesDecodeErrorZ_free(_res_conv);
 }
@@ -11279,7 +11641,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ChannelReestablishDe
 
 void  __attribute__((visibility("default"))) TS_CResult_ChannelReestablishDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelReestablishDecodeErrorZ _res_conv = *(LDKCResult_ChannelReestablishDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelReestablishDecodeErrorZ _res_conv = *(LDKCResult_ChannelReestablishDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelReestablishDecodeErrorZ_free(_res_conv);
 }
@@ -11313,7 +11677,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ClosingSignedDecodeE
 
 void  __attribute__((visibility("default"))) TS_CResult_ClosingSignedDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ClosingSignedDecodeErrorZ _res_conv = *(LDKCResult_ClosingSignedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ClosingSignedDecodeErrorZ _res_conv = *(LDKCResult_ClosingSignedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ClosingSignedDecodeErrorZ_free(_res_conv);
 }
@@ -11347,7 +11713,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ClosingSignedFeeRang
 
 void  __attribute__((visibility("default"))) TS_CResult_ClosingSignedFeeRangeDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ClosingSignedFeeRangeDecodeErrorZ _res_conv = *(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ClosingSignedFeeRangeDecodeErrorZ _res_conv = *(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ClosingSignedFeeRangeDecodeErrorZ_free(_res_conv);
 }
@@ -11381,7 +11749,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CommitmentSignedDeco
 
 void  __attribute__((visibility("default"))) TS_CResult_CommitmentSignedDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CommitmentSignedDecodeErrorZ _res_conv = *(LDKCResult_CommitmentSignedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CommitmentSignedDecodeErrorZ _res_conv = *(LDKCResult_CommitmentSignedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CommitmentSignedDecodeErrorZ_free(_res_conv);
 }
@@ -11415,7 +11785,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_FundingCreatedDecode
 
 void  __attribute__((visibility("default"))) TS_CResult_FundingCreatedDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_FundingCreatedDecodeErrorZ _res_conv = *(LDKCResult_FundingCreatedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_FundingCreatedDecodeErrorZ _res_conv = *(LDKCResult_FundingCreatedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_FundingCreatedDecodeErrorZ_free(_res_conv);
 }
@@ -11449,7 +11821,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_FundingSignedDecodeE
 
 void  __attribute__((visibility("default"))) TS_CResult_FundingSignedDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_FundingSignedDecodeErrorZ _res_conv = *(LDKCResult_FundingSignedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_FundingSignedDecodeErrorZ _res_conv = *(LDKCResult_FundingSignedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_FundingSignedDecodeErrorZ_free(_res_conv);
 }
@@ -11483,7 +11857,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_FundingLockedDecodeE
 
 void  __attribute__((visibility("default"))) TS_CResult_FundingLockedDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_FundingLockedDecodeErrorZ _res_conv = *(LDKCResult_FundingLockedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_FundingLockedDecodeErrorZ _res_conv = *(LDKCResult_FundingLockedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_FundingLockedDecodeErrorZ_free(_res_conv);
 }
@@ -11517,7 +11893,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_InitDecodeErrorZ_err
 
 void  __attribute__((visibility("default"))) TS_CResult_InitDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InitDecodeErrorZ _res_conv = *(LDKCResult_InitDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InitDecodeErrorZ _res_conv = *(LDKCResult_InitDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InitDecodeErrorZ_free(_res_conv);
 }
@@ -11551,7 +11929,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_OpenChannelDecodeErr
 
 void  __attribute__((visibility("default"))) TS_CResult_OpenChannelDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_OpenChannelDecodeErrorZ _res_conv = *(LDKCResult_OpenChannelDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_OpenChannelDecodeErrorZ _res_conv = *(LDKCResult_OpenChannelDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_OpenChannelDecodeErrorZ_free(_res_conv);
 }
@@ -11585,7 +11965,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_RevokeAndACKDecodeEr
 
 void  __attribute__((visibility("default"))) TS_CResult_RevokeAndACKDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RevokeAndACKDecodeErrorZ _res_conv = *(LDKCResult_RevokeAndACKDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RevokeAndACKDecodeErrorZ _res_conv = *(LDKCResult_RevokeAndACKDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RevokeAndACKDecodeErrorZ_free(_res_conv);
 }
@@ -11619,7 +12001,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ShutdownDecodeErrorZ
 
 void  __attribute__((visibility("default"))) TS_CResult_ShutdownDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ShutdownDecodeErrorZ _res_conv = *(LDKCResult_ShutdownDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ShutdownDecodeErrorZ _res_conv = *(LDKCResult_ShutdownDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ShutdownDecodeErrorZ_free(_res_conv);
 }
@@ -11653,7 +12037,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_UpdateFailHTLCDecode
 
 void  __attribute__((visibility("default"))) TS_CResult_UpdateFailHTLCDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateFailHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFailHTLCDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateFailHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFailHTLCDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateFailHTLCDecodeErrorZ_free(_res_conv);
 }
@@ -11687,7 +12073,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_UpdateFailMalformedH
 
 void  __attribute__((visibility("default"))) TS_CResult_UpdateFailMalformedHTLCDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateFailMalformedHTLCDecodeErrorZ_free(_res_conv);
 }
@@ -11721,7 +12109,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_UpdateFeeDecodeError
 
 void  __attribute__((visibility("default"))) TS_CResult_UpdateFeeDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateFeeDecodeErrorZ _res_conv = *(LDKCResult_UpdateFeeDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateFeeDecodeErrorZ _res_conv = *(LDKCResult_UpdateFeeDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateFeeDecodeErrorZ_free(_res_conv);
 }
@@ -11755,7 +12145,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_UpdateFulfillHTLCDec
 
 void  __attribute__((visibility("default"))) TS_CResult_UpdateFulfillHTLCDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateFulfillHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFulfillHTLCDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateFulfillHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFulfillHTLCDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateFulfillHTLCDecodeErrorZ_free(_res_conv);
 }
@@ -11789,7 +12181,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_UpdateAddHTLCDecodeE
 
 void  __attribute__((visibility("default"))) TS_CResult_UpdateAddHTLCDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateAddHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateAddHTLCDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateAddHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateAddHTLCDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateAddHTLCDecodeErrorZ_free(_res_conv);
 }
@@ -11823,7 +12217,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PingDecodeErrorZ_err
 
 void  __attribute__((visibility("default"))) TS_CResult_PingDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PingDecodeErrorZ _res_conv = *(LDKCResult_PingDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PingDecodeErrorZ _res_conv = *(LDKCResult_PingDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PingDecodeErrorZ_free(_res_conv);
 }
@@ -11857,7 +12253,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PongDecodeErrorZ_err
 
 void  __attribute__((visibility("default"))) TS_CResult_PongDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PongDecodeErrorZ _res_conv = *(LDKCResult_PongDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PongDecodeErrorZ _res_conv = *(LDKCResult_PongDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PongDecodeErrorZ_free(_res_conv);
 }
@@ -11891,7 +12289,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_UnsignedChannelAnnou
 
 void  __attribute__((visibility("default"))) TS_CResult_UnsignedChannelAnnouncementDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UnsignedChannelAnnouncementDecodeErrorZ_free(_res_conv);
 }
@@ -11925,7 +12325,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ChannelAnnouncementD
 
 void  __attribute__((visibility("default"))) TS_CResult_ChannelAnnouncementDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_ChannelAnnouncementDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_ChannelAnnouncementDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelAnnouncementDecodeErrorZ_free(_res_conv);
 }
@@ -11959,7 +12361,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_UnsignedChannelUpdat
 
 void  __attribute__((visibility("default"))) TS_CResult_UnsignedChannelUpdateDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UnsignedChannelUpdateDecodeErrorZ _res_conv = *(LDKCResult_UnsignedChannelUpdateDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UnsignedChannelUpdateDecodeErrorZ _res_conv = *(LDKCResult_UnsignedChannelUpdateDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UnsignedChannelUpdateDecodeErrorZ_free(_res_conv);
 }
@@ -11993,7 +12397,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ChannelUpdateDecodeE
 
 void  __attribute__((visibility("default"))) TS_CResult_ChannelUpdateDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelUpdateDecodeErrorZ _res_conv = *(LDKCResult_ChannelUpdateDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelUpdateDecodeErrorZ _res_conv = *(LDKCResult_ChannelUpdateDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelUpdateDecodeErrorZ_free(_res_conv);
 }
@@ -12027,7 +12433,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ErrorMessageDecodeEr
 
 void  __attribute__((visibility("default"))) TS_CResult_ErrorMessageDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ErrorMessageDecodeErrorZ _res_conv = *(LDKCResult_ErrorMessageDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ErrorMessageDecodeErrorZ _res_conv = *(LDKCResult_ErrorMessageDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ErrorMessageDecodeErrorZ_free(_res_conv);
 }
@@ -12061,7 +12469,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_UnsignedNodeAnnounce
 
 void  __attribute__((visibility("default"))) TS_CResult_UnsignedNodeAnnouncementDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UnsignedNodeAnnouncementDecodeErrorZ_free(_res_conv);
 }
@@ -12095,7 +12505,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NodeAnnouncementDeco
 
 void  __attribute__((visibility("default"))) TS_CResult_NodeAnnouncementDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_NodeAnnouncementDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_NodeAnnouncementDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeAnnouncementDecodeErrorZ_free(_res_conv);
 }
@@ -12129,7 +12541,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_QueryShortChannelIds
 
 void  __attribute__((visibility("default"))) TS_CResult_QueryShortChannelIdsDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_QueryShortChannelIdsDecodeErrorZ _res_conv = *(LDKCResult_QueryShortChannelIdsDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_QueryShortChannelIdsDecodeErrorZ _res_conv = *(LDKCResult_QueryShortChannelIdsDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_QueryShortChannelIdsDecodeErrorZ_free(_res_conv);
 }
@@ -12163,7 +12577,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ReplyShortChannelIds
 
 void  __attribute__((visibility("default"))) TS_CResult_ReplyShortChannelIdsEndDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ _res_conv = *(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ _res_conv = *(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ReplyShortChannelIdsEndDecodeErrorZ_free(_res_conv);
 }
@@ -12197,7 +12613,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_QueryChannelRangeDec
 
 void  __attribute__((visibility("default"))) TS_CResult_QueryChannelRangeDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_QueryChannelRangeDecodeErrorZ _res_conv = *(LDKCResult_QueryChannelRangeDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_QueryChannelRangeDecodeErrorZ _res_conv = *(LDKCResult_QueryChannelRangeDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_QueryChannelRangeDecodeErrorZ_free(_res_conv);
 }
@@ -12231,7 +12649,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ReplyChannelRangeDec
 
 void  __attribute__((visibility("default"))) TS_CResult_ReplyChannelRangeDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ReplyChannelRangeDecodeErrorZ _res_conv = *(LDKCResult_ReplyChannelRangeDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ReplyChannelRangeDecodeErrorZ _res_conv = *(LDKCResult_ReplyChannelRangeDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ReplyChannelRangeDecodeErrorZ_free(_res_conv);
 }
@@ -12265,7 +12685,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_GossipTimestampFilte
 
 void  __attribute__((visibility("default"))) TS_CResult_GossipTimestampFilterDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_GossipTimestampFilterDecodeErrorZ _res_conv = *(LDKCResult_GossipTimestampFilterDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_GossipTimestampFilterDecodeErrorZ _res_conv = *(LDKCResult_GossipTimestampFilterDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_GossipTimestampFilterDecodeErrorZ_free(_res_conv);
 }
@@ -12288,7 +12710,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_InvoiceSignOrCreatio
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_InvoiceSignOrCreationErrorZ_err(uint32_t e) {
-       LDKSignOrCreationError e_conv = *(LDKSignOrCreationError*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKSignOrCreationError e_conv = *(LDKSignOrCreationError*)(e_ptr);
        e_conv = SignOrCreationError_clone((LDKSignOrCreationError*)(((uint64_t)e) & ~1));
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
        *ret_conv = CResult_InvoiceSignOrCreationErrorZ_err(e_conv);
@@ -12297,7 +12721,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_InvoiceSignOrCreatio
 
 void  __attribute__((visibility("default"))) TS_CResult_InvoiceSignOrCreationErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InvoiceSignOrCreationErrorZ _res_conv = *(LDKCResult_InvoiceSignOrCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InvoiceSignOrCreationErrorZ _res_conv = *(LDKCResult_InvoiceSignOrCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InvoiceSignOrCreationErrorZ_free(_res_conv);
 }
@@ -12310,7 +12736,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_InvoiceSignOrCreatio
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_COption_FilterZ_some(uint32_t o) {
-       LDKFilter o_conv = *(LDKFilter*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKFilter o_conv = *(LDKFilter*)(o_ptr);
        LDKCOption_FilterZ *ret_copy = MALLOC(sizeof(LDKCOption_FilterZ), "LDKCOption_FilterZ");
        *ret_copy = COption_FilterZ_some(o_conv);
        uint64_t ret_ref = (uint64_t)ret_copy;
@@ -12326,7 +12754,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_FilterZ_none() {
 
 void  __attribute__((visibility("default"))) TS_COption_FilterZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_FilterZ _res_conv = *(LDKCOption_FilterZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_FilterZ _res_conv = *(LDKCOption_FilterZ*)(_res_ptr);
        FREE((void*)_res);
        COption_FilterZ_free(_res_conv);
 }
@@ -12349,7 +12779,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_LockedChannelMonitor
 
 void  __attribute__((visibility("default"))) TS_CResult_LockedChannelMonitorNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_LockedChannelMonitorNoneZ _res_conv = *(LDKCResult_LockedChannelMonitorNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_LockedChannelMonitorNoneZ _res_conv = *(LDKCResult_LockedChannelMonitorNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_LockedChannelMonitorNoneZ_free(_res_conv);
 }
@@ -12374,7 +12806,9 @@ void  __attribute__((visibility("default"))) TS_CVec_OutPointZ_free(uint32_tArra
 
 void  __attribute__((visibility("default"))) TS_PaymentPurpose_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKPaymentPurpose this_ptr_conv = *(LDKPaymentPurpose*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKPaymentPurpose this_ptr_conv = *(LDKPaymentPurpose*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        PaymentPurpose_free(this_ptr_conv);
 }
@@ -12412,7 +12846,9 @@ uint32_t  __attribute__((visibility("default"))) TS_PaymentPurpose_spontaneous_p
 
 void  __attribute__((visibility("default"))) TS_ClosureReason_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKClosureReason this_ptr_conv = *(LDKClosureReason*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKClosureReason this_ptr_conv = *(LDKClosureReason*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        ClosureReason_free(this_ptr_conv);
 }
@@ -12487,7 +12923,9 @@ int8_tArray  __attribute__((visibility("default"))) TS_ClosureReason_write(uint3
 
 void  __attribute__((visibility("default"))) TS_Event_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKEvent this_ptr_conv = *(LDKEvent*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKEvent this_ptr_conv = *(LDKEvent*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Event_free(this_ptr_conv);
 }
@@ -12518,7 +12956,9 @@ uint32_t  __attribute__((visibility("default"))) TS_Event_payment_received(int8_
        LDKThirtyTwoBytes payment_hash_ref;
        CHECK(*((uint32_t*)payment_hash) == 32);
        memcpy(payment_hash_ref.data, (uint8_t*)(payment_hash + 4), 32);
-       LDKPaymentPurpose purpose_conv = *(LDKPaymentPurpose*)(((uint64_t)purpose) & ~1);
+       void* purpose_ptr = (void*)(((uint64_t)purpose) & ~1);
+       CHECK_ACCESS(purpose_ptr);
+       LDKPaymentPurpose purpose_conv = *(LDKPaymentPurpose*)(purpose_ptr);
        purpose_conv = PaymentPurpose_clone((LDKPaymentPurpose*)(((uint64_t)purpose) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_received(payment_hash_ref, amt, purpose_conv);
@@ -12543,7 +12983,9 @@ uint32_t  __attribute__((visibility("default"))) TS_Event_payment_path_failed(in
        LDKThirtyTwoBytes payment_hash_ref;
        CHECK(*((uint32_t*)payment_hash) == 32);
        memcpy(payment_hash_ref.data, (uint8_t*)(payment_hash + 4), 32);
-       LDKCOption_NetworkUpdateZ network_update_conv = *(LDKCOption_NetworkUpdateZ*)(((uint64_t)network_update) & ~1);
+       void* network_update_ptr = (void*)(((uint64_t)network_update) & ~1);
+       CHECK_ACCESS(network_update_ptr);
+       LDKCOption_NetworkUpdateZ network_update_conv = *(LDKCOption_NetworkUpdateZ*)(network_update_ptr);
        network_update_conv = COption_NetworkUpdateZ_clone((LDKCOption_NetworkUpdateZ*)(((uint64_t)network_update) & ~1));
        LDKCVec_RouteHopZ path_constr;
        path_constr.datalen = *((uint32_t*)path);
@@ -12560,7 +13002,9 @@ uint32_t  __attribute__((visibility("default"))) TS_Event_payment_path_failed(in
                path_conv_10_conv = RouteHop_clone(&path_conv_10_conv);
                path_constr.data[k] = path_conv_10_conv;
        }
-       LDKCOption_u64Z short_channel_id_conv = *(LDKCOption_u64Z*)(((uint64_t)short_channel_id) & ~1);
+       void* short_channel_id_ptr = (void*)(((uint64_t)short_channel_id) & ~1);
+       CHECK_ACCESS(short_channel_id_ptr);
+       LDKCOption_u64Z short_channel_id_conv = *(LDKCOption_u64Z*)(short_channel_id_ptr);
        short_channel_id_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)short_channel_id) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_path_failed(payment_hash_ref, rejected_by_dest, network_update_conv, all_paths_failed, path_constr, short_channel_id_conv);
@@ -12585,7 +13029,9 @@ uint32_t  __attribute__((visibility("default"))) TS_Event_spendable_outputs(uint
        uint32_t* outputs_vals = (uint32_t*)(outputs + 4);
        for (size_t b = 0; b < outputs_constr.datalen; b++) {
                uint32_t outputs_conv_27 = outputs_vals[b];
-               LDKSpendableOutputDescriptor outputs_conv_27_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)outputs_conv_27) & ~1);
+               void* outputs_conv_27_ptr = (void*)(((uint64_t)outputs_conv_27) & ~1);
+               CHECK_ACCESS(outputs_conv_27_ptr);
+               LDKSpendableOutputDescriptor outputs_conv_27_conv = *(LDKSpendableOutputDescriptor*)(outputs_conv_27_ptr);
                outputs_conv_27_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)outputs_conv_27) & ~1));
                outputs_constr.data[b] = outputs_conv_27_conv;
        }
@@ -12596,7 +13042,9 @@ uint32_t  __attribute__((visibility("default"))) TS_Event_spendable_outputs(uint
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_Event_payment_forwarded(uint32_t fee_earned_msat, jboolean claim_from_onchain_tx) {
-       LDKCOption_u64Z fee_earned_msat_conv = *(LDKCOption_u64Z*)(((uint64_t)fee_earned_msat) & ~1);
+       void* fee_earned_msat_ptr = (void*)(((uint64_t)fee_earned_msat) & ~1);
+       CHECK_ACCESS(fee_earned_msat_ptr);
+       LDKCOption_u64Z fee_earned_msat_conv = *(LDKCOption_u64Z*)(fee_earned_msat_ptr);
        fee_earned_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_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);
@@ -12608,7 +13056,9 @@ uint32_t  __attribute__((visibility("default"))) TS_Event_channel_closed(int8_tA
        LDKThirtyTwoBytes channel_id_ref;
        CHECK(*((uint32_t*)channel_id) == 32);
        memcpy(channel_id_ref.data, (uint8_t*)(channel_id + 4), 32);
-       LDKClosureReason reason_conv = *(LDKClosureReason*)(((uint64_t)reason) & ~1);
+       void* reason_ptr = (void*)(((uint64_t)reason) & ~1);
+       CHECK_ACCESS(reason_ptr);
+       LDKClosureReason reason_conv = *(LDKClosureReason*)(reason_ptr);
        reason_conv = ClosureReason_clone((LDKClosureReason*)(((uint64_t)reason) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_channel_closed(channel_id_ref, user_channel_id, reason_conv);
@@ -12642,7 +13092,9 @@ int8_tArray  __attribute__((visibility("default"))) TS_Event_write(uint32_t obj)
 
 void  __attribute__((visibility("default"))) TS_MessageSendEvent_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKMessageSendEvent this_ptr_conv = *(LDKMessageSendEvent*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKMessageSendEvent this_ptr_conv = *(LDKMessageSendEvent*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        MessageSendEvent_free(this_ptr_conv);
 }
@@ -12864,7 +13316,9 @@ uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_handle_erro
        LDKPublicKey node_id_ref;
        CHECK(*((uint32_t*)node_id) == 33);
        memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
-       LDKErrorAction action_conv = *(LDKErrorAction*)(((uint64_t)action) & ~1);
+       void* action_ptr = (void*)(((uint64_t)action) & ~1);
+       CHECK_ACCESS(action_ptr);
+       LDKErrorAction action_conv = *(LDKErrorAction*)(action_ptr);
        action_conv = ErrorAction_clone((LDKErrorAction*)(((uint64_t)action) & ~1));
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_handle_error(node_id_ref, action_conv);
@@ -12916,28 +13370,36 @@ uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_reply_
 
 void  __attribute__((visibility("default"))) TS_MessageSendEventsProvider_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKMessageSendEventsProvider this_ptr_conv = *(LDKMessageSendEventsProvider*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKMessageSendEventsProvider this_ptr_conv = *(LDKMessageSendEventsProvider*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        MessageSendEventsProvider_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_EventsProvider_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKEventsProvider this_ptr_conv = *(LDKEventsProvider*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKEventsProvider this_ptr_conv = *(LDKEventsProvider*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        EventsProvider_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_EventHandler_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKEventHandler this_ptr_conv = *(LDKEventHandler*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKEventHandler this_ptr_conv = *(LDKEventHandler*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        EventHandler_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_APIError_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKAPIError this_ptr_conv = *(LDKAPIError*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKAPIError this_ptr_conv = *(LDKAPIError*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        APIError_free(this_ptr_conv);
 }
@@ -13086,7 +13548,9 @@ uint32_t  __attribute__((visibility("default"))) TS_Level_max() {
 
 void  __attribute__((visibility("default"))) TS_Logger_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKLogger this_ptr_conv = *(LDKLogger*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKLogger this_ptr_conv = *(LDKLogger*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Logger_free(this_ptr_conv);
 }
@@ -13737,21 +14201,27 @@ uint32_t  __attribute__((visibility("default"))) TS_AccessError_unknown_tx() {
 
 void  __attribute__((visibility("default"))) TS_Access_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKAccess this_ptr_conv = *(LDKAccess*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKAccess this_ptr_conv = *(LDKAccess*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Access_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_Listen_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKListen this_ptr_conv = *(LDKListen*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKListen this_ptr_conv = *(LDKListen*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Listen_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_Confirm_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKConfirm this_ptr_conv = *(LDKConfirm*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKConfirm this_ptr_conv = *(LDKConfirm*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Confirm_free(this_ptr_conv);
 }
@@ -13774,14 +14244,18 @@ uint32_t  __attribute__((visibility("default"))) TS_ChannelMonitorUpdateErr_perm
 
 void  __attribute__((visibility("default"))) TS_Watch_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKWatch this_ptr_conv = *(LDKWatch*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKWatch this_ptr_conv = *(LDKWatch*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Watch_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_Filter_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKFilter this_ptr_conv = *(LDKFilter*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKFilter this_ptr_conv = *(LDKFilter*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Filter_free(this_ptr_conv);
 }
@@ -13904,7 +14378,9 @@ int64_t  __attribute__((visibility("default"))) TS_WatchedOutput_hash(uint32_t o
 
 void  __attribute__((visibility("default"))) TS_BroadcasterInterface_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKBroadcasterInterface this_ptr_conv = *(LDKBroadcasterInterface*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKBroadcasterInterface this_ptr_conv = *(LDKBroadcasterInterface*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        BroadcasterInterface_free(this_ptr_conv);
 }
@@ -13939,14 +14415,18 @@ jboolean  __attribute__((visibility("default"))) TS_ConfirmationTarget_eq(uint32
 
 void  __attribute__((visibility("default"))) TS_FeeEstimator_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKFeeEstimator this_ptr_conv = *(LDKFeeEstimator*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKFeeEstimator this_ptr_conv = *(LDKFeeEstimator*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        FeeEstimator_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_Persist_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKPersist this_ptr_conv = *(LDKPersist*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKPersist this_ptr_conv = *(LDKPersist*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Persist_free(this_ptr_conv);
 }
@@ -13966,15 +14446,25 @@ void  __attribute__((visibility("default"))) TS_ChainMonitor_free(uint32_t this_
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_ChainMonitor_new(uint32_t chain_source, uint32_t broadcaster, uint32_t logger, uint32_t feeest, uint32_t persister) {
-       LDKCOption_FilterZ chain_source_conv = *(LDKCOption_FilterZ*)(((uint64_t)chain_source) & ~1);
+       void* chain_source_ptr = (void*)(((uint64_t)chain_source) & ~1);
+       CHECK_ACCESS(chain_source_ptr);
+       LDKCOption_FilterZ chain_source_conv = *(LDKCOption_FilterZ*)(chain_source_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_FilterZ
        if (chain_source_conv.tag == LDKCOption_FilterZ_Some) {
                // Manually implement clone for Java trait instances
        }
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
-       LDKFeeEstimator feeest_conv = *(LDKFeeEstimator*)(((uint64_t)feeest) & ~1);
-       LDKPersist persister_conv = *(LDKPersist*)(((uint64_t)persister) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
+       void* feeest_ptr = (void*)(((uint64_t)feeest) & ~1);
+       CHECK_ACCESS(feeest_ptr);
+       LDKFeeEstimator feeest_conv = *(LDKFeeEstimator*)(feeest_ptr);
+       void* persister_ptr = (void*)(((uint64_t)persister) & ~1);
+       CHECK_ACCESS(persister_ptr);
+       LDKPersist persister_conv = *(LDKPersist*)(persister_ptr);
        LDKChainMonitor ret_var = ChainMonitor_new(chain_source_conv, broadcaster_conv, logger_conv, feeest_conv, persister_conv);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -14009,7 +14499,7 @@ uint32_tArray  __attribute__((visibility("default"))) TS_ChainMonitor_get_claima
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
        for (size_t j = 0; j < ret_var.datalen; j++) {
                LDKBalance *ret_conv_9_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
-               *ret_conv_9_copy = Balance_clone(&ret_var.data[j]);
+               *ret_conv_9_copy = ret_var.data[j];
                uint64_t ret_conv_9_ref = (uint64_t)ret_conv_9_copy;
                ret_arr_ptr[j] = ret_conv_9_ref;
        }
@@ -14166,7 +14656,9 @@ uint32_t  __attribute__((visibility("default"))) TS_MonitorUpdateError_clone(uin
 
 void  __attribute__((visibility("default"))) TS_MonitorEvent_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKMonitorEvent this_ptr_conv = *(LDKMonitorEvent*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKMonitorEvent this_ptr_conv = *(LDKMonitorEvent*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        MonitorEvent_free(this_ptr_conv);
 }
@@ -14244,7 +14736,9 @@ uint32_t  __attribute__((visibility("default"))) TS_HTLCUpdate_read(int8_tArray
 
 void  __attribute__((visibility("default"))) TS_Balance_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKBalance this_ptr_conv = *(LDKBalance*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKBalance this_ptr_conv = *(LDKBalance*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Balance_free(this_ptr_conv);
 }
@@ -14331,9 +14825,15 @@ uint32_t  __attribute__((visibility("default"))) TS_ChannelMonitor_update_monito
        LDKChannelMonitorUpdate updates_conv;
        updates_conv.inner = (void*)(updates & (~1));
        updates_conv.is_owned = false;
-       LDKBroadcasterInterface* broadcaster_conv = (LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
-       LDKFeeEstimator* fee_estimator_conv = (LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
-       LDKLogger* logger_conv = (LDKLogger*)(((uint64_t)logger) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       if (!(broadcaster & 1)) { CHECK_ACCESS(broadcaster_ptr); }
+       LDKBroadcasterInterface* broadcaster_conv = (LDKBroadcasterInterface*)broadcaster_ptr;
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       if (!(fee_estimator & 1)) { CHECK_ACCESS(fee_estimator_ptr); }
+       LDKFeeEstimator* fee_estimator_conv = (LDKFeeEstimator*)fee_estimator_ptr;
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       if (!(logger & 1)) { CHECK_ACCESS(logger_ptr); }
+       LDKLogger* logger_conv = (LDKLogger*)logger_ptr;
        LDKCResult_NoneMonitorUpdateErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneMonitorUpdateErrorZ), "LDKCResult_NoneMonitorUpdateErrorZ");
        *ret_conv = ChannelMonitor_update_monitor(&this_arg_conv, &updates_conv, broadcaster_conv, fee_estimator_conv, logger_conv);
        return (uint64_t)ret_conv;
@@ -14376,7 +14876,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMonitor_load_outputs_to_w
        LDKChannelMonitor this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKFilter* filter_conv = (LDKFilter*)(((uint64_t)filter) & ~1);
+       void* filter_ptr = (void*)(((uint64_t)filter) & ~1);
+       if (!(filter & 1)) { CHECK_ACCESS(filter_ptr); }
+       LDKFilter* filter_conv = (LDKFilter*)filter_ptr;
        ChannelMonitor_load_outputs_to_watch(&this_arg_conv, filter_conv);
 }
 
@@ -14389,7 +14891,7 @@ uint32_tArray  __attribute__((visibility("default"))) TS_ChannelMonitor_get_and_
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKMonitorEvent *ret_conv_14_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
-               *ret_conv_14_copy = MonitorEvent_clone(&ret_var.data[o]);
+               *ret_conv_14_copy = ret_var.data[o];
                uint64_t ret_conv_14_ref = (uint64_t)ret_conv_14_copy;
                ret_arr_ptr[o] = ret_conv_14_ref;
        }
@@ -14406,7 +14908,7 @@ uint32_tArray  __attribute__((visibility("default"))) TS_ChannelMonitor_get_and_
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
        for (size_t h = 0; h < ret_var.datalen; h++) {
                LDKEvent *ret_conv_7_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
-               *ret_conv_7_copy = Event_clone(&ret_var.data[h]);
+               *ret_conv_7_copy = ret_var.data[h];
                uint64_t ret_conv_7_ref = (uint64_t)ret_conv_7_copy;
                ret_arr_ptr[h] = ret_conv_7_ref;
        }
@@ -14418,7 +14920,9 @@ ptrArray  __attribute__((visibility("default"))) TS_ChannelMonitor_get_latest_ho
        LDKChannelMonitor this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKLogger* logger_conv = (LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       if (!(logger & 1)) { CHECK_ACCESS(logger_ptr); }
+       LDKLogger* logger_conv = (LDKLogger*)logger_ptr;
        LDKCVec_TransactionZ ret_var = ChannelMonitor_get_latest_holder_commitment_txn(&this_arg_conv, logger_conv);
        ptrArray ret_arr = init_arr(ret_var.datalen, sizeof(uint32_t), "Native ptrArray Bytes");
        int8_tArray *ret_arr_ptr = (int8_tArray*)(ret_arr + 4);
@@ -14450,13 +14954,21 @@ uint32_tArray  __attribute__((visibility("default"))) TS_ChannelMonitor_block_co
        uint32_t* txdata_vals = (uint32_t*)(txdata + 4);
        for (size_t c = 0; c < txdata_constr.datalen; c++) {
                uint32_t txdata_conv_28 = txdata_vals[c];
-               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1);
+               void* txdata_conv_28_ptr = (void*)(((uint64_t)txdata_conv_28) & ~1);
+               CHECK_ACCESS(txdata_conv_28_ptr);
+               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(txdata_conv_28_ptr);
                txdata_conv_28_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1));
                txdata_constr.data[c] = txdata_conv_28_conv;
        }
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ ret_var = ChannelMonitor_block_connected(&this_arg_conv, header_ref, txdata_constr, height, broadcaster_conv, fee_estimator_conv, logger_conv);
        uint32_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint32_t), "Native uint32_tArray Bytes");
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
@@ -14477,9 +14989,15 @@ void  __attribute__((visibility("default"))) TS_ChannelMonitor_block_disconnecte
        CHECK(*((uint32_t*)header) == 80);
        memcpy(header_arr, (uint8_t*)(header + 4), 80);
        unsigned char (*header_ref)[80] = &header_arr;
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        ChannelMonitor_block_disconnected(&this_arg_conv, header_ref, height, broadcaster_conv, fee_estimator_conv, logger_conv);
 }
 
@@ -14500,13 +15018,21 @@ uint32_tArray  __attribute__((visibility("default"))) TS_ChannelMonitor_transact
        uint32_t* txdata_vals = (uint32_t*)(txdata + 4);
        for (size_t c = 0; c < txdata_constr.datalen; c++) {
                uint32_t txdata_conv_28 = txdata_vals[c];
-               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1);
+               void* txdata_conv_28_ptr = (void*)(((uint64_t)txdata_conv_28) & ~1);
+               CHECK_ACCESS(txdata_conv_28_ptr);
+               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(txdata_conv_28_ptr);
                txdata_conv_28_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1));
                txdata_constr.data[c] = txdata_conv_28_conv;
        }
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ ret_var = ChannelMonitor_transactions_confirmed(&this_arg_conv, header_ref, txdata_constr, height, broadcaster_conv, fee_estimator_conv, logger_conv);
        uint32_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint32_t), "Native uint32_tArray Bytes");
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
@@ -14527,9 +15053,15 @@ void  __attribute__((visibility("default"))) TS_ChannelMonitor_transaction_uncon
        CHECK(*((uint32_t*)txid) == 32);
        memcpy(txid_arr, (uint8_t*)(txid + 4), 32);
        unsigned char (*txid_ref)[32] = &txid_arr;
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        ChannelMonitor_transaction_unconfirmed(&this_arg_conv, txid_ref, broadcaster_conv, fee_estimator_conv, logger_conv);
 }
 
@@ -14541,9 +15073,15 @@ uint32_tArray  __attribute__((visibility("default"))) TS_ChannelMonitor_best_blo
        CHECK(*((uint32_t*)header) == 80);
        memcpy(header_arr, (uint8_t*)(header + 4), 80);
        unsigned char (*header_ref)[80] = &header_arr;
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ ret_var = ChannelMonitor_best_block_updated(&this_arg_conv, header_ref, height, broadcaster_conv, fee_estimator_conv, logger_conv);
        uint32_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint32_t), "Native uint32_tArray Bytes");
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
@@ -14595,7 +15133,7 @@ uint32_tArray  __attribute__((visibility("default"))) TS_ChannelMonitor_get_clai
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
        for (size_t j = 0; j < ret_var.datalen; j++) {
                LDKBalance *ret_conv_9_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
-               *ret_conv_9_copy = Balance_clone(&ret_var.data[j]);
+               *ret_conv_9_copy = ret_var.data[j];
                uint64_t ret_conv_9_ref = (uint64_t)ret_conv_9_copy;
                ret_arr_ptr[j] = ret_conv_9_ref;
        }
@@ -14607,7 +15145,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_BlockHashChannelMoni
        LDKu8slice ser_ref;
        ser_ref.datalen = *((uint32_t*)ser);
        ser_ref.data = (int8_t*)(ser + 4);
-       LDKKeysInterface* arg_conv = (LDKKeysInterface*)(((uint64_t)arg) & ~1);
+       void* arg_ptr = (void*)(((uint64_t)arg) & ~1);
+       if (!(arg & 1)) { CHECK_ACCESS(arg_ptr); }
+       LDKKeysInterface* arg_conv = (LDKKeysInterface*)arg_ptr;
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ");
        *ret_conv = C2Tuple_BlockHashChannelMonitorZ_read(ser_ref, arg_conv);
        return (uint64_t)ret_conv;
@@ -14800,7 +15340,9 @@ void  __attribute__((visibility("default"))) TS_DelayedPaymentOutputDescriptor_s
        LDKDelayedPaymentOutputDescriptor this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKTxOut val_conv = *(LDKTxOut*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKTxOut val_conv = *(LDKTxOut*)(val_ptr);
        val_conv = TxOut_clone((LDKTxOut*)(((uint64_t)val) & ~1));
        DelayedPaymentOutputDescriptor_set_output(&this_ptr_conv, val_conv);
 }
@@ -14866,7 +15408,9 @@ uint32_t  __attribute__((visibility("default"))) TS_DelayedPaymentOutputDescript
        LDKPublicKey per_commitment_point_arg_ref;
        CHECK(*((uint32_t*)per_commitment_point_arg) == 33);
        memcpy(per_commitment_point_arg_ref.compressed_form, (uint8_t*)(per_commitment_point_arg + 4), 33);
-       LDKTxOut output_arg_conv = *(LDKTxOut*)(((uint64_t)output_arg) & ~1);
+       void* output_arg_ptr = (void*)(((uint64_t)output_arg) & ~1);
+       CHECK_ACCESS(output_arg_ptr);
+       LDKTxOut output_arg_conv = *(LDKTxOut*)(output_arg_ptr);
        output_arg_conv = TxOut_clone((LDKTxOut*)(((uint64_t)output_arg) & ~1));
        LDKPublicKey revocation_pubkey_arg_ref;
        CHECK(*((uint32_t*)revocation_pubkey_arg) == 33);
@@ -14954,7 +15498,9 @@ void  __attribute__((visibility("default"))) TS_StaticPaymentOutputDescriptor_se
        LDKStaticPaymentOutputDescriptor this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKTxOut val_conv = *(LDKTxOut*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKTxOut val_conv = *(LDKTxOut*)(val_ptr);
        val_conv = TxOut_clone((LDKTxOut*)(((uint64_t)val) & ~1));
        StaticPaymentOutputDescriptor_set_output(&this_ptr_conv, val_conv);
 }
@@ -14998,7 +15544,9 @@ uint32_t  __attribute__((visibility("default"))) TS_StaticPaymentOutputDescripto
        outpoint_arg_conv.inner = (void*)(outpoint_arg & (~1));
        outpoint_arg_conv.is_owned = (outpoint_arg & 1) || (outpoint_arg == 0);
        outpoint_arg_conv = OutPoint_clone(&outpoint_arg_conv);
-       LDKTxOut output_arg_conv = *(LDKTxOut*)(((uint64_t)output_arg) & ~1);
+       void* output_arg_ptr = (void*)(((uint64_t)output_arg) & ~1);
+       CHECK_ACCESS(output_arg_ptr);
+       LDKTxOut output_arg_conv = *(LDKTxOut*)(output_arg_ptr);
        output_arg_conv = TxOut_clone((LDKTxOut*)(((uint64_t)output_arg) & ~1));
        LDKThirtyTwoBytes channel_keys_id_arg_ref;
        CHECK(*((uint32_t*)channel_keys_id_arg) == 32);
@@ -15049,7 +15597,9 @@ uint32_t  __attribute__((visibility("default"))) TS_StaticPaymentOutputDescripto
 
 void  __attribute__((visibility("default"))) TS_SpendableOutputDescriptor_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKSpendableOutputDescriptor this_ptr_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKSpendableOutputDescriptor this_ptr_conv = *(LDKSpendableOutputDescriptor*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        SpendableOutputDescriptor_free(this_ptr_conv);
 }
@@ -15067,7 +15617,9 @@ uint32_t  __attribute__((visibility("default"))) TS_SpendableOutputDescriptor_st
        outpoint_conv.inner = (void*)(outpoint & (~1));
        outpoint_conv.is_owned = (outpoint & 1) || (outpoint == 0);
        outpoint_conv = OutPoint_clone(&outpoint_conv);
-       LDKTxOut output_conv = *(LDKTxOut*)(((uint64_t)output) & ~1);
+       void* output_ptr = (void*)(((uint64_t)output) & ~1);
+       CHECK_ACCESS(output_ptr);
+       LDKTxOut output_conv = *(LDKTxOut*)(output_ptr);
        output_conv = TxOut_clone((LDKTxOut*)(((uint64_t)output) & ~1));
        LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
        *ret_copy = SpendableOutputDescriptor_static_output(outpoint_conv, output_conv);
@@ -15117,13 +15669,17 @@ uint32_t  __attribute__((visibility("default"))) TS_SpendableOutputDescriptor_re
 
 void  __attribute__((visibility("default"))) TS_BaseSign_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKBaseSign this_ptr_conv = *(LDKBaseSign*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKBaseSign this_ptr_conv = *(LDKBaseSign*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        BaseSign_free(this_ptr_conv);
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_Sign_clone(uint32_t orig) {
-       LDKSign* orig_conv = (LDKSign*)(((uint64_t)orig) & ~1);
+       void* orig_ptr = (void*)(((uint64_t)orig) & ~1);
+       if (!(orig & 1)) { CHECK_ACCESS(orig_ptr); }
+       LDKSign* orig_conv = (LDKSign*)orig_ptr;
        LDKSign* ret_ret =MALLOC(sizeof(LDKSign), "LDKSign");
        *ret_ret = Sign_clone(orig_conv);
        return (uint64_t)ret_ret;
@@ -15131,14 +15687,18 @@ uint32_t  __attribute__((visibility("default"))) TS_Sign_clone(uint32_t orig) {
 
 void  __attribute__((visibility("default"))) TS_Sign_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKSign this_ptr_conv = *(LDKSign*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKSign this_ptr_conv = *(LDKSign*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Sign_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_KeysInterface_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKKeysInterface this_ptr_conv = *(LDKKeysInterface*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKKeysInterface this_ptr_conv = *(LDKKeysInterface*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        KeysInterface_free(this_ptr_conv);
 }
@@ -15501,7 +16061,9 @@ uint32_t  __attribute__((visibility("default"))) TS_KeysManager_spend_spendable_
        uint32_t* descriptors_vals = (uint32_t*)(descriptors + 4);
        for (size_t b = 0; b < descriptors_constr.datalen; b++) {
                uint32_t descriptors_conv_27 = descriptors_vals[b];
-               LDKSpendableOutputDescriptor descriptors_conv_27_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)descriptors_conv_27) & ~1);
+               void* descriptors_conv_27_ptr = (void*)(((uint64_t)descriptors_conv_27) & ~1);
+               CHECK_ACCESS(descriptors_conv_27_ptr);
+               LDKSpendableOutputDescriptor descriptors_conv_27_conv = *(LDKSpendableOutputDescriptor*)(descriptors_conv_27_ptr);
                descriptors_conv_27_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)descriptors_conv_27) & ~1));
                descriptors_constr.data[b] = descriptors_conv_27_conv;
        }
@@ -15514,7 +16076,9 @@ uint32_t  __attribute__((visibility("default"))) TS_KeysManager_spend_spendable_
        uint32_t* outputs_vals = (uint32_t*)(outputs + 4);
        for (size_t h = 0; h < outputs_constr.datalen; h++) {
                uint32_t outputs_conv_7 = outputs_vals[h];
-               LDKTxOut outputs_conv_7_conv = *(LDKTxOut*)(((uint64_t)outputs_conv_7) & ~1);
+               void* outputs_conv_7_ptr = (void*)(((uint64_t)outputs_conv_7) & ~1);
+               CHECK_ACCESS(outputs_conv_7_ptr);
+               LDKTxOut outputs_conv_7_conv = *(LDKTxOut*)(outputs_conv_7_ptr);
                outputs_conv_7_conv = TxOut_clone((LDKTxOut*)(((uint64_t)outputs_conv_7) & ~1));
                outputs_constr.data[h] = outputs_conv_7_conv;
        }
@@ -15975,7 +16539,9 @@ void  __attribute__((visibility("default"))) TS_ChannelDetails_set_short_channel
        LDKChannelDetails this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        ChannelDetails_set_short_channel_id(&this_ptr_conv, val_conv);
 }
@@ -16009,7 +16575,9 @@ void  __attribute__((visibility("default"))) TS_ChannelDetails_set_unspendable_p
        LDKChannelDetails this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        ChannelDetails_set_unspendable_punishment_reserve(&this_ptr_conv, val_conv);
 }
@@ -16073,7 +16641,9 @@ void  __attribute__((visibility("default"))) TS_ChannelDetails_set_confirmations
        LDKChannelDetails this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u32Z val_conv = *(LDKCOption_u32Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u32Z val_conv = *(LDKCOption_u32Z*)(val_ptr);
        val_conv = COption_u32Z_clone((LDKCOption_u32Z*)(((uint64_t)val) & ~1));
        ChannelDetails_set_confirmations_required(&this_ptr_conv, val_conv);
 }
@@ -16092,7 +16662,9 @@ void  __attribute__((visibility("default"))) TS_ChannelDetails_set_force_close_s
        LDKChannelDetails this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u16Z val_conv = *(LDKCOption_u16Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u16Z val_conv = *(LDKCOption_u16Z*)(val_ptr);
        val_conv = COption_u16Z_clone((LDKCOption_u16Z*)(((uint64_t)val) & ~1));
        ChannelDetails_set_force_close_spend_delay(&this_ptr_conv, val_conv);
 }
@@ -16169,12 +16741,20 @@ uint32_t  __attribute__((visibility("default"))) TS_ChannelDetails_new(int8_tArr
        funding_txo_arg_conv.inner = (void*)(funding_txo_arg & (~1));
        funding_txo_arg_conv.is_owned = (funding_txo_arg & 1) || (funding_txo_arg == 0);
        funding_txo_arg_conv = OutPoint_clone(&funding_txo_arg_conv);
-       LDKCOption_u64Z short_channel_id_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)short_channel_id_arg) & ~1);
+       void* short_channel_id_arg_ptr = (void*)(((uint64_t)short_channel_id_arg) & ~1);
+       CHECK_ACCESS(short_channel_id_arg_ptr);
+       LDKCOption_u64Z short_channel_id_arg_conv = *(LDKCOption_u64Z*)(short_channel_id_arg_ptr);
        short_channel_id_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)short_channel_id_arg) & ~1));
-       LDKCOption_u64Z unspendable_punishment_reserve_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)unspendable_punishment_reserve_arg) & ~1);
-       LDKCOption_u32Z confirmations_required_arg_conv = *(LDKCOption_u32Z*)(((uint64_t)confirmations_required_arg) & ~1);
+       void* unspendable_punishment_reserve_arg_ptr = (void*)(((uint64_t)unspendable_punishment_reserve_arg) & ~1);
+       CHECK_ACCESS(unspendable_punishment_reserve_arg_ptr);
+       LDKCOption_u64Z unspendable_punishment_reserve_arg_conv = *(LDKCOption_u64Z*)(unspendable_punishment_reserve_arg_ptr);
+       void* confirmations_required_arg_ptr = (void*)(((uint64_t)confirmations_required_arg) & ~1);
+       CHECK_ACCESS(confirmations_required_arg_ptr);
+       LDKCOption_u32Z confirmations_required_arg_conv = *(LDKCOption_u32Z*)(confirmations_required_arg_ptr);
        confirmations_required_arg_conv = COption_u32Z_clone((LDKCOption_u32Z*)(((uint64_t)confirmations_required_arg) & ~1));
-       LDKCOption_u16Z force_close_spend_delay_arg_conv = *(LDKCOption_u16Z*)(((uint64_t)force_close_spend_delay_arg) & ~1);
+       void* force_close_spend_delay_arg_ptr = (void*)(((uint64_t)force_close_spend_delay_arg) & ~1);
+       CHECK_ACCESS(force_close_spend_delay_arg_ptr);
+       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*)(((uint64_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, 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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -16202,7 +16782,9 @@ uint32_t  __attribute__((visibility("default"))) TS_ChannelDetails_clone(uint32_
 
 void  __attribute__((visibility("default"))) TS_PaymentSendFailure_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKPaymentSendFailure this_ptr_conv = *(LDKPaymentSendFailure*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKPaymentSendFailure this_ptr_conv = *(LDKPaymentSendFailure*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        PaymentSendFailure_free(this_ptr_conv);
 }
@@ -16216,7 +16798,9 @@ uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_clone(uin
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_parameter_error(uint32_t a) {
-       LDKAPIError a_conv = *(LDKAPIError*)(((uint64_t)a) & ~1);
+       void* a_ptr = (void*)(((uint64_t)a) & ~1);
+       CHECK_ACCESS(a_ptr);
+       LDKAPIError a_conv = *(LDKAPIError*)(a_ptr);
        a_conv = APIError_clone((LDKAPIError*)(((uint64_t)a) & ~1));
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = PaymentSendFailure_parameter_error(a_conv);
@@ -16234,7 +16818,9 @@ uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_path_para
        uint32_t* a_vals = (uint32_t*)(a + 4);
        for (size_t w = 0; w < a_constr.datalen; w++) {
                uint32_t a_conv_22 = a_vals[w];
-               LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1);
+               void* a_conv_22_ptr = (void*)(((uint64_t)a_conv_22) & ~1);
+               CHECK_ACCESS(a_conv_22_ptr);
+               LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(a_conv_22_ptr);
                a_conv_22_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1));
                a_constr.data[w] = a_conv_22_conv;
        }
@@ -16254,7 +16840,9 @@ uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_all_faile
        uint32_t* a_vals = (uint32_t*)(a + 4);
        for (size_t k = 0; k < a_constr.datalen; k++) {
                uint32_t a_conv_10 = a_vals[k];
-               LDKAPIError a_conv_10_conv = *(LDKAPIError*)(((uint64_t)a_conv_10) & ~1);
+               void* a_conv_10_ptr = (void*)(((uint64_t)a_conv_10) & ~1);
+               CHECK_ACCESS(a_conv_10_ptr);
+               LDKAPIError a_conv_10_conv = *(LDKAPIError*)(a_conv_10_ptr);
                a_conv_10_conv = APIError_clone((LDKAPIError*)(((uint64_t)a_conv_10) & ~1));
                a_constr.data[k] = a_conv_10_conv;
        }
@@ -16274,7 +16862,9 @@ uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_partial_f
        uint32_t* a_vals = (uint32_t*)(a + 4);
        for (size_t w = 0; w < a_constr.datalen; w++) {
                uint32_t a_conv_22 = a_vals[w];
-               LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1);
+               void* a_conv_22_ptr = (void*)(((uint64_t)a_conv_22) & ~1);
+               CHECK_ACCESS(a_conv_22_ptr);
+               LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(a_conv_22_ptr);
                a_conv_22_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1));
                a_constr.data[w] = a_conv_22_conv;
        }
@@ -16285,11 +16875,21 @@ uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_partial_f
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_ChannelManager_new(uint32_t fee_est, uint32_t chain_monitor, uint32_t tx_broadcaster, uint32_t logger, uint32_t keys_manager, uint32_t config, uint32_t params) {
-       LDKFeeEstimator fee_est_conv = *(LDKFeeEstimator*)(((uint64_t)fee_est) & ~1);
-       LDKWatch chain_monitor_conv = *(LDKWatch*)(((uint64_t)chain_monitor) & ~1);
-       LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)tx_broadcaster) & ~1);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
-       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
+       void* fee_est_ptr = (void*)(((uint64_t)fee_est) & ~1);
+       CHECK_ACCESS(fee_est_ptr);
+       LDKFeeEstimator fee_est_conv = *(LDKFeeEstimator*)(fee_est_ptr);
+       void* chain_monitor_ptr = (void*)(((uint64_t)chain_monitor) & ~1);
+       CHECK_ACCESS(chain_monitor_ptr);
+       LDKWatch chain_monitor_conv = *(LDKWatch*)(chain_monitor_ptr);
+       void* tx_broadcaster_ptr = (void*)(((uint64_t)tx_broadcaster) & ~1);
+       CHECK_ACCESS(tx_broadcaster_ptr);
+       LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(tx_broadcaster_ptr);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
+       void* keys_manager_ptr = (void*)(((uint64_t)keys_manager) & ~1);
+       CHECK_ACCESS(keys_manager_ptr);
+       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(keys_manager_ptr);
        LDKUserConfig config_conv;
        config_conv.inner = (void*)(config & (~1));
        config_conv.is_owned = (config & 1) || (config == 0);
@@ -16512,7 +17112,9 @@ void  __attribute__((visibility("default"))) TS_ChannelManager_broadcast_node_an
        uint32_t* addresses_vals = (uint32_t*)(addresses + 4);
        for (size_t m = 0; m < addresses_constr.datalen; m++) {
                uint32_t addresses_conv_12 = addresses_vals[m];
-               LDKNetAddress addresses_conv_12_conv = *(LDKNetAddress*)(((uint64_t)addresses_conv_12) & ~1);
+               void* addresses_conv_12_ptr = (void*)(((uint64_t)addresses_conv_12) & ~1);
+               CHECK_ACCESS(addresses_conv_12_ptr);
+               LDKNetAddress addresses_conv_12_conv = *(LDKNetAddress*)(addresses_conv_12_ptr);
                addresses_constr.data[m] = addresses_conv_12_conv;
        }
        ChannelManager_broadcast_node_announcement(&this_arg_conv, rgb_ref, alias_ref, addresses_constr);
@@ -16578,7 +17180,9 @@ uint32_t  __attribute__((visibility("default"))) TS_ChannelManager_create_inboun
        LDKChannelManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKCOption_u64Z min_value_msat_conv = *(LDKCOption_u64Z*)(((uint64_t)min_value_msat) & ~1);
+       void* min_value_msat_ptr = (void*)(((uint64_t)min_value_msat) & ~1);
+       CHECK_ACCESS(min_value_msat_ptr);
+       LDKCOption_u64Z min_value_msat_conv = *(LDKCOption_u64Z*)(min_value_msat_ptr);
        min_value_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)min_value_msat) & ~1));
        LDKC2Tuple_PaymentHashPaymentSecretZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentSecretZ), "LDKC2Tuple_PaymentHashPaymentSecretZ");
        *ret_conv = ChannelManager_create_inbound_payment(&this_arg_conv, min_value_msat_conv, invoice_expiry_delta_secs, user_payment_id);
@@ -16592,7 +17196,9 @@ uint32_t  __attribute__((visibility("default"))) TS_ChannelManager_create_inboun
        LDKThirtyTwoBytes payment_hash_ref;
        CHECK(*((uint32_t*)payment_hash) == 32);
        memcpy(payment_hash_ref.data, (uint8_t*)(payment_hash + 4), 32);
-       LDKCOption_u64Z min_value_msat_conv = *(LDKCOption_u64Z*)(((uint64_t)min_value_msat) & ~1);
+       void* min_value_msat_ptr = (void*)(((uint64_t)min_value_msat) & ~1);
+       CHECK_ACCESS(min_value_msat_ptr);
+       LDKCOption_u64Z min_value_msat_conv = *(LDKCOption_u64Z*)(min_value_msat_ptr);
        min_value_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)min_value_msat) & ~1));
        LDKCResult_PaymentSecretAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretAPIErrorZ), "LDKCResult_PaymentSecretAPIErrorZ");
        *ret_conv = ChannelManager_create_inbound_payment_for_hash(&this_arg_conv, payment_hash_ref, min_value_msat_conv, invoice_expiry_delta_secs, user_payment_id);
@@ -16703,7 +17309,9 @@ void  __attribute__((visibility("default"))) TS_ChannelManagerReadArgs_set_keys_
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKKeysInterface val_conv = *(LDKKeysInterface*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKKeysInterface val_conv = *(LDKKeysInterface*)(val_ptr);
        ChannelManagerReadArgs_set_keys_manager(&this_ptr_conv, val_conv);
 }
 
@@ -16719,7 +17327,9 @@ void  __attribute__((visibility("default"))) TS_ChannelManagerReadArgs_set_fee_e
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKFeeEstimator val_conv = *(LDKFeeEstimator*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKFeeEstimator val_conv = *(LDKFeeEstimator*)(val_ptr);
        ChannelManagerReadArgs_set_fee_estimator(&this_ptr_conv, val_conv);
 }
 
@@ -16735,7 +17345,9 @@ void  __attribute__((visibility("default"))) TS_ChannelManagerReadArgs_set_chain
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKWatch val_conv = *(LDKWatch*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKWatch val_conv = *(LDKWatch*)(val_ptr);
        ChannelManagerReadArgs_set_chain_monitor(&this_ptr_conv, val_conv);
 }
 
@@ -16751,7 +17363,9 @@ void  __attribute__((visibility("default"))) TS_ChannelManagerReadArgs_set_tx_br
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKBroadcasterInterface val_conv = *(LDKBroadcasterInterface*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKBroadcasterInterface val_conv = *(LDKBroadcasterInterface*)(val_ptr);
        ChannelManagerReadArgs_set_tx_broadcaster(&this_ptr_conv, val_conv);
 }
 
@@ -16767,7 +17381,9 @@ void  __attribute__((visibility("default"))) TS_ChannelManagerReadArgs_set_logge
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKLogger val_conv = *(LDKLogger*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKLogger val_conv = *(LDKLogger*)(val_ptr);
        ChannelManagerReadArgs_set_logger(&this_ptr_conv, val_conv);
 }
 
@@ -16797,11 +17413,21 @@ void  __attribute__((visibility("default"))) TS_ChannelManagerReadArgs_set_defau
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_ChannelManagerReadArgs_new(uint32_t keys_manager, uint32_t fee_estimator, uint32_t chain_monitor, uint32_t tx_broadcaster, uint32_t logger, uint32_t default_config, uint32_tArray channel_monitors) {
-       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
-       LDKWatch chain_monitor_conv = *(LDKWatch*)(((uint64_t)chain_monitor) & ~1);
-       LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)tx_broadcaster) & ~1);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* keys_manager_ptr = (void*)(((uint64_t)keys_manager) & ~1);
+       CHECK_ACCESS(keys_manager_ptr);
+       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(keys_manager_ptr);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
+       void* chain_monitor_ptr = (void*)(((uint64_t)chain_monitor) & ~1);
+       CHECK_ACCESS(chain_monitor_ptr);
+       LDKWatch chain_monitor_conv = *(LDKWatch*)(chain_monitor_ptr);
+       void* tx_broadcaster_ptr = (void*)(((uint64_t)tx_broadcaster) & ~1);
+       CHECK_ACCESS(tx_broadcaster_ptr);
+       LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(tx_broadcaster_ptr);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        LDKUserConfig default_config_conv;
        default_config_conv.inner = (void*)(default_config & (~1));
        default_config_conv.is_owned = (default_config & 1) || (default_config == 0);
@@ -19074,7 +19700,9 @@ uint32_t  __attribute__((visibility("default"))) TS_AnnouncementSignatures_clone
 
 void  __attribute__((visibility("default"))) TS_NetAddress_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKNetAddress this_ptr_conv = *(LDKNetAddress*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKNetAddress this_ptr_conv = *(LDKNetAddress*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        NetAddress_free(this_ptr_conv);
 }
@@ -19271,7 +19899,9 @@ void  __attribute__((visibility("default"))) TS_UnsignedNodeAnnouncement_set_add
        uint32_t* val_vals = (uint32_t*)(val + 4);
        for (size_t m = 0; m < val_constr.datalen; m++) {
                uint32_t val_conv_12 = val_vals[m];
-               LDKNetAddress val_conv_12_conv = *(LDKNetAddress*)(((uint64_t)val_conv_12) & ~1);
+               void* val_conv_12_ptr = (void*)(((uint64_t)val_conv_12) & ~1);
+               CHECK_ACCESS(val_conv_12_ptr);
+               LDKNetAddress val_conv_12_conv = *(LDKNetAddress*)(val_conv_12_ptr);
                val_conv_12_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)val_conv_12) & ~1));
                val_constr.data[m] = val_conv_12_conv;
        }
@@ -20358,7 +20988,9 @@ uint32_t  __attribute__((visibility("default"))) TS_GossipTimestampFilter_clone(
 
 void  __attribute__((visibility("default"))) TS_ErrorAction_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKErrorAction this_ptr_conv = *(LDKErrorAction*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKErrorAction this_ptr_conv = *(LDKErrorAction*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        ErrorAction_free(this_ptr_conv);
 }
@@ -20447,14 +21079,18 @@ void  __attribute__((visibility("default"))) TS_LightningError_set_action(uint32
        LDKLightningError this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKErrorAction val_conv = *(LDKErrorAction*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKErrorAction val_conv = *(LDKErrorAction*)(val_ptr);
        val_conv = ErrorAction_clone((LDKErrorAction*)(((uint64_t)val) & ~1));
        LightningError_set_action(&this_ptr_conv, val_conv);
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_LightningError_new(jstring err_arg, uint32_t action_arg) {
        LDKStr err_arg_conv = str_ref_to_owned_c(err_arg);
-       LDKErrorAction action_arg_conv = *(LDKErrorAction*)(((uint64_t)action_arg) & ~1);
+       void* action_arg_ptr = (void*)(((uint64_t)action_arg) & ~1);
+       CHECK_ACCESS(action_arg_ptr);
+       LDKErrorAction action_arg_conv = *(LDKErrorAction*)(action_arg_ptr);
        action_arg_conv = ErrorAction_clone((LDKErrorAction*)(((uint64_t)action_arg) & ~1));
        LDKLightningError ret_var = LightningError_new(err_arg_conv, action_arg_conv);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -20804,14 +21440,18 @@ uint32_t  __attribute__((visibility("default"))) TS_CommitmentUpdate_clone(uint3
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKChannelMessageHandler this_ptr_conv = *(LDKChannelMessageHandler*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKChannelMessageHandler this_ptr_conv = *(LDKChannelMessageHandler*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        ChannelMessageHandler_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_RoutingMessageHandler_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKRoutingMessageHandler this_ptr_conv = *(LDKRoutingMessageHandler*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKRoutingMessageHandler this_ptr_conv = *(LDKRoutingMessageHandler*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        RoutingMessageHandler_free(this_ptr_conv);
 }
@@ -21466,7 +22106,9 @@ uint32_t  __attribute__((visibility("default"))) TS_GossipTimestampFilter_read(i
 
 void  __attribute__((visibility("default"))) TS_CustomMessageHandler_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKCustomMessageHandler this_ptr_conv = *(LDKCustomMessageHandler*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKCustomMessageHandler this_ptr_conv = *(LDKCustomMessageHandler*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        CustomMessageHandler_free(this_ptr_conv);
 }
@@ -21580,7 +22222,9 @@ void  __attribute__((visibility("default"))) TS_MessageHandler_set_chan_handler(
        LDKMessageHandler this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKChannelMessageHandler val_conv = *(LDKChannelMessageHandler*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKChannelMessageHandler val_conv = *(LDKChannelMessageHandler*)(val_ptr);
        MessageHandler_set_chan_handler(&this_ptr_conv, val_conv);
 }
 
@@ -21596,13 +22240,19 @@ void  __attribute__((visibility("default"))) TS_MessageHandler_set_route_handler
        LDKMessageHandler this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKRoutingMessageHandler val_conv = *(LDKRoutingMessageHandler*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKRoutingMessageHandler val_conv = *(LDKRoutingMessageHandler*)(val_ptr);
        MessageHandler_set_route_handler(&this_ptr_conv, val_conv);
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_MessageHandler_new(uint32_t chan_handler_arg, uint32_t route_handler_arg) {
-       LDKChannelMessageHandler chan_handler_arg_conv = *(LDKChannelMessageHandler*)(((uint64_t)chan_handler_arg) & ~1);
-       LDKRoutingMessageHandler route_handler_arg_conv = *(LDKRoutingMessageHandler*)(((uint64_t)route_handler_arg) & ~1);
+       void* chan_handler_arg_ptr = (void*)(((uint64_t)chan_handler_arg) & ~1);
+       CHECK_ACCESS(chan_handler_arg_ptr);
+       LDKChannelMessageHandler chan_handler_arg_conv = *(LDKChannelMessageHandler*)(chan_handler_arg_ptr);
+       void* route_handler_arg_ptr = (void*)(((uint64_t)route_handler_arg) & ~1);
+       CHECK_ACCESS(route_handler_arg_ptr);
+       LDKRoutingMessageHandler route_handler_arg_conv = *(LDKRoutingMessageHandler*)(route_handler_arg_ptr);
        LDKMessageHandler ret_var = MessageHandler_new(chan_handler_arg_conv, route_handler_arg_conv);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -21614,7 +22264,9 @@ uint32_t  __attribute__((visibility("default"))) TS_MessageHandler_new(uint32_t
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_SocketDescriptor_clone(uint32_t orig) {
-       LDKSocketDescriptor* orig_conv = (LDKSocketDescriptor*)(((uint64_t)orig) & ~1);
+       void* orig_ptr = (void*)(((uint64_t)orig) & ~1);
+       if (!(orig & 1)) { CHECK_ACCESS(orig_ptr); }
+       LDKSocketDescriptor* orig_conv = (LDKSocketDescriptor*)orig_ptr;
        LDKSocketDescriptor* ret_ret =MALLOC(sizeof(LDKSocketDescriptor), "LDKSocketDescriptor");
        *ret_ret = SocketDescriptor_clone(orig_conv);
        return (uint64_t)ret_ret;
@@ -21622,7 +22274,9 @@ uint32_t  __attribute__((visibility("default"))) TS_SocketDescriptor_clone(uint3
 
 void  __attribute__((visibility("default"))) TS_SocketDescriptor_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKSocketDescriptor this_ptr_conv = *(LDKSocketDescriptor*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKSocketDescriptor this_ptr_conv = *(LDKSocketDescriptor*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        SocketDescriptor_free(this_ptr_conv);
 }
@@ -21693,8 +22347,12 @@ uint32_t  __attribute__((visibility("default"))) TS_PeerManager_new(uint32_t mes
        CHECK(*((uint32_t*)ephemeral_random_data) == 32);
        memcpy(ephemeral_random_data_arr, (uint8_t*)(ephemeral_random_data + 4), 32);
        unsigned char (*ephemeral_random_data_ref)[32] = &ephemeral_random_data_arr;
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
-       LDKCustomMessageHandler custom_message_handler_conv = *(LDKCustomMessageHandler*)(((uint64_t)custom_message_handler) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
+       void* custom_message_handler_ptr = (void*)(((uint64_t)custom_message_handler) & ~1);
+       CHECK_ACCESS(custom_message_handler_ptr);
+       LDKCustomMessageHandler custom_message_handler_conv = *(LDKCustomMessageHandler*)(custom_message_handler_ptr);
        LDKPeerManager ret_var = PeerManager_new(message_handler_conv, our_node_secret_ref, ephemeral_random_data_ref, logger_conv, custom_message_handler_conv);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -21728,7 +22386,9 @@ uint32_t  __attribute__((visibility("default"))) TS_PeerManager_new_outbound_con
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
-       LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
+       void* descriptor_ptr = (void*)(((uint64_t)descriptor) & ~1);
+       CHECK_ACCESS(descriptor_ptr);
+       LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(descriptor_ptr);
        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 (uint64_t)ret_conv;
@@ -21738,7 +22398,9 @@ uint32_t  __attribute__((visibility("default"))) TS_PeerManager_new_inbound_conn
        LDKPeerManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
+       void* descriptor_ptr = (void*)(((uint64_t)descriptor) & ~1);
+       CHECK_ACCESS(descriptor_ptr);
+       LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(descriptor_ptr);
        LDKCResult_NonePeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePeerHandleErrorZ), "LDKCResult_NonePeerHandleErrorZ");
        *ret_conv = PeerManager_new_inbound_connection(&this_arg_conv, descriptor_conv);
        return (uint64_t)ret_conv;
@@ -21748,7 +22410,9 @@ uint32_t  __attribute__((visibility("default"))) TS_PeerManager_write_buffer_spa
        LDKPeerManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKSocketDescriptor* descriptor_conv = (LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
+       void* descriptor_ptr = (void*)(((uint64_t)descriptor) & ~1);
+       if (!(descriptor & 1)) { CHECK_ACCESS(descriptor_ptr); }
+       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 (uint64_t)ret_conv;
@@ -21758,7 +22422,9 @@ uint32_t  __attribute__((visibility("default"))) TS_PeerManager_read_event(uint3
        LDKPeerManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKSocketDescriptor* peer_descriptor_conv = (LDKSocketDescriptor*)(((uint64_t)peer_descriptor) & ~1);
+       void* peer_descriptor_ptr = (void*)(((uint64_t)peer_descriptor) & ~1);
+       if (!(peer_descriptor & 1)) { CHECK_ACCESS(peer_descriptor_ptr); }
+       LDKSocketDescriptor* peer_descriptor_conv = (LDKSocketDescriptor*)peer_descriptor_ptr;
        LDKu8slice data_ref;
        data_ref.datalen = *((uint32_t*)data);
        data_ref.data = (int8_t*)(data + 4);
@@ -21778,7 +22444,9 @@ void  __attribute__((visibility("default"))) TS_PeerManager_socket_disconnected(
        LDKPeerManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKSocketDescriptor* descriptor_conv = (LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
+       void* descriptor_ptr = (void*)(((uint64_t)descriptor) & ~1);
+       if (!(descriptor & 1)) { CHECK_ACCESS(descriptor_ptr); }
+       LDKSocketDescriptor* descriptor_conv = (LDKSocketDescriptor*)descriptor_ptr;
        PeerManager_socket_disconnected(&this_arg_conv, descriptor_conv);
 }
 
@@ -22339,7 +23007,9 @@ void  __attribute__((visibility("default"))) TS_HTLCOutputInCommitment_set_trans
        LDKHTLCOutputInCommitment this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u32Z val_conv = *(LDKCOption_u32Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u32Z val_conv = *(LDKCOption_u32Z*)(val_ptr);
        val_conv = COption_u32Z_clone((LDKCOption_u32Z*)(((uint64_t)val) & ~1));
        HTLCOutputInCommitment_set_transaction_output_index(&this_ptr_conv, val_conv);
 }
@@ -22348,7 +23018,9 @@ uint32_t  __attribute__((visibility("default"))) TS_HTLCOutputInCommitment_new(j
        LDKThirtyTwoBytes payment_hash_arg_ref;
        CHECK(*((uint32_t*)payment_hash_arg) == 32);
        memcpy(payment_hash_arg_ref.data, (uint8_t*)(payment_hash_arg + 4), 32);
-       LDKCOption_u32Z transaction_output_index_arg_conv = *(LDKCOption_u32Z*)(((uint64_t)transaction_output_index_arg) & ~1);
+       void* transaction_output_index_arg_ptr = (void*)(((uint64_t)transaction_output_index_arg) & ~1);
+       CHECK_ACCESS(transaction_output_index_arg_ptr);
+       LDKCOption_u32Z transaction_output_index_arg_conv = *(LDKCOption_u32Z*)(transaction_output_index_arg_ptr);
        transaction_output_index_arg_conv = COption_u32Z_clone((LDKCOption_u32Z*)(((uint64_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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -23065,6 +23737,28 @@ void  __attribute__((visibility("default"))) TS_ClosingTransaction_free(uint32_t
        ClosingTransaction_free(this_obj_conv);
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_ClosingTransaction_clone(uint32_t orig) {
+       LDKClosingTransaction orig_conv;
+       orig_conv.inner = (void*)(orig & (~1));
+       orig_conv.is_owned = false;
+       LDKClosingTransaction ret_var = ClosingTransaction_clone(&orig_conv);
+       CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
+       CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
+       uint64_t ret_ref = (uint64_t)ret_var.inner;
+       if (ret_var.is_owned) {
+               ret_ref |= 1;
+       }
+       return ret_ref;
+}
+
+int64_t  __attribute__((visibility("default"))) TS_ClosingTransaction_hash(uint32_t o) {
+       LDKClosingTransaction o_conv;
+       o_conv.inner = (void*)(o & (~1));
+       o_conv.is_owned = false;
+       int64_t ret_val = ClosingTransaction_hash(&o_conv);
+       return ret_val;
+}
+
 uint32_t  __attribute__((visibility("default"))) TS_ClosingTransaction_new(int64_t to_holder_value_sat, int64_t to_counterparty_value_sat, int8_tArray to_holder_script, int8_tArray to_counterparty_script, uint32_t funding_outpoint) {
        LDKCVec_u8Z to_holder_script_ref;
        to_holder_script_ref.datalen = *((uint32_t*)to_holder_script);
@@ -23789,6 +24483,20 @@ uint32_t  __attribute__((visibility("default"))) TS_InvalidShutdownScript_new(in
        return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_InvalidShutdownScript_clone(uint32_t orig) {
+       LDKInvalidShutdownScript orig_conv;
+       orig_conv.inner = (void*)(orig & (~1));
+       orig_conv.is_owned = false;
+       LDKInvalidShutdownScript ret_var = InvalidShutdownScript_clone(&orig_conv);
+       CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
+       CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
+       uint64_t ret_ref = (uint64_t)ret_var.inner;
+       if (ret_var.is_owned) {
+               ret_ref |= 1;
+       }
+       return ret_ref;
+}
+
 int8_tArray  __attribute__((visibility("default"))) TS_ShutdownScript_write(uint32_t obj) {
        LDKShutdownScript obj_conv;
        obj_conv.inner = (void*)(obj & (~1));
@@ -23882,13 +24590,17 @@ jboolean  __attribute__((visibility("default"))) TS_ShutdownScript_is_compatible
 
 void  __attribute__((visibility("default"))) TS_CustomMessageReader_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKCustomMessageReader this_ptr_conv = *(LDKCustomMessageReader*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKCustomMessageReader this_ptr_conv = *(LDKCustomMessageReader*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        CustomMessageReader_free(this_ptr_conv);
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_Type_clone(uint32_t orig) {
-       LDKType* orig_conv = (LDKType*)(((uint64_t)orig) & ~1);
+       void* orig_ptr = (void*)(((uint64_t)orig) & ~1);
+       if (!(orig & 1)) { CHECK_ACCESS(orig_ptr); }
+       LDKType* orig_conv = (LDKType*)orig_ptr;
        LDKType* ret_ret =MALLOC(sizeof(LDKType), "LDKType");
        *ret_ret = Type_clone(orig_conv);
        return (uint64_t)ret_ret;
@@ -23896,14 +24608,18 @@ uint32_t  __attribute__((visibility("default"))) TS_Type_clone(uint32_t orig) {
 
 void  __attribute__((visibility("default"))) TS_Type_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKType this_ptr_conv = *(LDKType*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKType this_ptr_conv = *(LDKType*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Type_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_Score_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKScore this_ptr_conv = *(LDKScore*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKScore this_ptr_conv = *(LDKScore*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Score_free(this_ptr_conv);
 }
@@ -24011,7 +24727,9 @@ void  __attribute__((visibility("default"))) TS_ReadOnlyNetworkGraph_free(uint32
 
 void  __attribute__((visibility("default"))) TS_NetworkUpdate_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKNetworkUpdate this_ptr_conv = *(LDKNetworkUpdate*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKNetworkUpdate this_ptr_conv = *(LDKNetworkUpdate*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        NetworkUpdate_free(this_ptr_conv);
 }
@@ -24107,12 +24825,16 @@ uint32_t  __attribute__((visibility("default"))) TS_NetGraphMsgHandler_new(uint3
        network_graph_conv.inner = (void*)(network_graph & (~1));
        network_graph_conv.is_owned = (network_graph & 1) || (network_graph == 0);
        network_graph_conv = NetworkGraph_clone(&network_graph_conv);
-       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(((uint64_t)chain_access) & ~1);
+       void* chain_access_ptr = (void*)(((uint64_t)chain_access) & ~1);
+       CHECK_ACCESS(chain_access_ptr);
+       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(chain_access_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_AccessZ
        if (chain_access_conv.tag == LDKCOption_AccessZ_Some) {
                // Manually implement clone for Java trait instances
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        LDKNetGraphMsgHandler ret_var = NetGraphMsgHandler_new(network_graph_conv, chain_access_conv, logger_conv);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -24127,7 +24849,9 @@ void  __attribute__((visibility("default"))) TS_NetGraphMsgHandler_add_chain_acc
        LDKNetGraphMsgHandler this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(((uint64_t)chain_access) & ~1);
+       void* chain_access_ptr = (void*)(((uint64_t)chain_access) & ~1);
+       CHECK_ACCESS(chain_access_ptr);
+       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(chain_access_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_AccessZ
        if (chain_access_conv.tag == LDKCOption_AccessZ_Some) {
                // Manually implement clone for Java trait instances
@@ -24234,7 +24958,9 @@ void  __attribute__((visibility("default"))) TS_DirectionalChannelInfo_set_htlc_
        LDKDirectionalChannelInfo this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        DirectionalChannelInfo_set_htlc_maximum_msat(&this_ptr_conv, val_conv);
 }
@@ -24290,7 +25016,9 @@ void  __attribute__((visibility("default"))) TS_DirectionalChannelInfo_set_last_
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_DirectionalChannelInfo_new(int32_t last_update_arg, jboolean enabled_arg, int16_t cltv_expiry_delta_arg, int64_t htlc_minimum_msat_arg, uint32_t htlc_maximum_msat_arg, uint32_t fees_arg, uint32_t last_update_message_arg) {
-       LDKCOption_u64Z htlc_maximum_msat_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)htlc_maximum_msat_arg) & ~1);
+       void* htlc_maximum_msat_arg_ptr = (void*)(((uint64_t)htlc_maximum_msat_arg) & ~1);
+       CHECK_ACCESS(htlc_maximum_msat_arg_ptr);
+       LDKCOption_u64Z htlc_maximum_msat_arg_conv = *(LDKCOption_u64Z*)(htlc_maximum_msat_arg_ptr);
        htlc_maximum_msat_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)htlc_maximum_msat_arg) & ~1));
        LDKRoutingFees fees_arg_conv;
        fees_arg_conv.inner = (void*)(fees_arg & (~1));
@@ -24490,7 +25218,9 @@ void  __attribute__((visibility("default"))) TS_ChannelInfo_set_capacity_sats(ui
        LDKChannelInfo this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        ChannelInfo_set_capacity_sats(&this_ptr_conv, val_conv);
 }
@@ -24541,7 +25271,9 @@ uint32_t  __attribute__((visibility("default"))) TS_ChannelInfo_new(uint32_t fea
        two_to_one_arg_conv.inner = (void*)(two_to_one_arg & (~1));
        two_to_one_arg_conv.is_owned = (two_to_one_arg & 1) || (two_to_one_arg == 0);
        two_to_one_arg_conv = DirectionalChannelInfo_clone(&two_to_one_arg_conv);
-       LDKCOption_u64Z capacity_sats_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)capacity_sats_arg) & ~1);
+       void* capacity_sats_arg_ptr = (void*)(((uint64_t)capacity_sats_arg) & ~1);
+       CHECK_ACCESS(capacity_sats_arg_ptr);
+       LDKCOption_u64Z capacity_sats_arg_conv = *(LDKCOption_u64Z*)(capacity_sats_arg_ptr);
        capacity_sats_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)capacity_sats_arg) & ~1));
        LDKChannelAnnouncement announcement_message_arg_conv;
        announcement_message_arg_conv.inner = (void*)(announcement_message_arg & (~1));
@@ -24790,7 +25522,9 @@ void  __attribute__((visibility("default"))) TS_NodeAnnouncementInfo_set_address
        uint32_t* val_vals = (uint32_t*)(val + 4);
        for (size_t m = 0; m < val_constr.datalen; m++) {
                uint32_t val_conv_12 = val_vals[m];
-               LDKNetAddress val_conv_12_conv = *(LDKNetAddress*)(((uint64_t)val_conv_12) & ~1);
+               void* val_conv_12_ptr = (void*)(((uint64_t)val_conv_12) & ~1);
+               CHECK_ACCESS(val_conv_12_ptr);
+               LDKNetAddress val_conv_12_conv = *(LDKNetAddress*)(val_conv_12_ptr);
                val_conv_12_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)val_conv_12) & ~1));
                val_constr.data[m] = val_conv_12_conv;
        }
@@ -24842,7 +25576,9 @@ uint32_t  __attribute__((visibility("default"))) TS_NodeAnnouncementInfo_new(uin
        uint32_t* addresses_arg_vals = (uint32_t*)(addresses_arg + 4);
        for (size_t m = 0; m < addresses_arg_constr.datalen; m++) {
                uint32_t addresses_arg_conv_12 = addresses_arg_vals[m];
-               LDKNetAddress addresses_arg_conv_12_conv = *(LDKNetAddress*)(((uint64_t)addresses_arg_conv_12) & ~1);
+               void* addresses_arg_conv_12_ptr = (void*)(((uint64_t)addresses_arg_conv_12) & ~1);
+               CHECK_ACCESS(addresses_arg_conv_12_ptr);
+               LDKNetAddress addresses_arg_conv_12_conv = *(LDKNetAddress*)(addresses_arg_conv_12_ptr);
                addresses_arg_constr.data[m] = addresses_arg_conv_12_conv;
        }
        LDKNodeAnnouncement announcement_message_arg_conv;
@@ -25111,7 +25847,9 @@ uint32_t  __attribute__((visibility("default"))) TS_NetworkGraph_update_channel_
        LDKChannelAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
-       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(((uint64_t)chain_access) & ~1);
+       void* chain_access_ptr = (void*)(((uint64_t)chain_access) & ~1);
+       CHECK_ACCESS(chain_access_ptr);
+       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(chain_access_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_AccessZ
        if (chain_access_conv.tag == LDKCOption_AccessZ_Some) {
                // Manually implement clone for Java trait instances
@@ -25128,7 +25866,9 @@ uint32_t  __attribute__((visibility("default"))) TS_NetworkGraph_update_channel_
        LDKUnsignedChannelAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
-       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(((uint64_t)chain_access) & ~1);
+       void* chain_access_ptr = (void*)(((uint64_t)chain_access) & ~1);
+       CHECK_ACCESS(chain_access_ptr);
+       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(chain_access_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_AccessZ
        if (chain_access_conv.tag == LDKCOption_AccessZ_Some) {
                // Manually implement clone for Java trait instances
@@ -25697,7 +26437,9 @@ void  __attribute__((visibility("default"))) TS_RouteHintHop_set_htlc_minimum_ms
        LDKRouteHintHop this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        RouteHintHop_set_htlc_minimum_msat(&this_ptr_conv, val_conv);
 }
@@ -25716,7 +26458,9 @@ void  __attribute__((visibility("default"))) TS_RouteHintHop_set_htlc_maximum_ms
        LDKRouteHintHop this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        RouteHintHop_set_htlc_maximum_msat(&this_ptr_conv, val_conv);
 }
@@ -25729,9 +26473,13 @@ uint32_t  __attribute__((visibility("default"))) TS_RouteHintHop_new(int8_tArray
        fees_arg_conv.inner = (void*)(fees_arg & (~1));
        fees_arg_conv.is_owned = (fees_arg & 1) || (fees_arg == 0);
        fees_arg_conv = RoutingFees_clone(&fees_arg_conv);
-       LDKCOption_u64Z htlc_minimum_msat_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)htlc_minimum_msat_arg) & ~1);
+       void* htlc_minimum_msat_arg_ptr = (void*)(((uint64_t)htlc_minimum_msat_arg) & ~1);
+       CHECK_ACCESS(htlc_minimum_msat_arg_ptr);
+       LDKCOption_u64Z htlc_minimum_msat_arg_conv = *(LDKCOption_u64Z*)(htlc_minimum_msat_arg_ptr);
        htlc_minimum_msat_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)htlc_minimum_msat_arg) & ~1));
-       LDKCOption_u64Z htlc_maximum_msat_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)htlc_maximum_msat_arg) & ~1);
+       void* htlc_maximum_msat_arg_ptr = (void*)(((uint64_t)htlc_maximum_msat_arg) & ~1);
+       CHECK_ACCESS(htlc_maximum_msat_arg_ptr);
+       LDKCOption_u64Z htlc_maximum_msat_arg_conv = *(LDKCOption_u64Z*)(htlc_maximum_msat_arg_ptr);
        htlc_maximum_msat_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -25819,8 +26567,12 @@ uint32_t  __attribute__((visibility("default"))) TS_get_keysend_route(int8_tArra
                last_hops_conv_11_conv = RouteHint_clone(&last_hops_conv_11_conv);
                last_hops_constr.data[l] = last_hops_conv_11_conv;
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
-       LDKScore* scorer_conv = (LDKScore*)(((uint64_t)scorer) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
+       void* scorer_ptr = (void*)(((uint64_t)scorer) & ~1);
+       if (!(scorer & 1)) { CHECK_ACCESS(scorer_ptr); }
+       LDKScore* scorer_conv = (LDKScore*)scorer_ptr;
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = get_keysend_route(our_node_pubkey_ref, &network_conv, payee_ref, first_hops_ptr, last_hops_constr, final_value_msat, final_cltv, logger_conv, scorer_conv);
        if (first_hops_ptr != NULL) { FREE(first_hops_constr.data); }
@@ -25874,8 +26626,12 @@ uint32_t  __attribute__((visibility("default"))) TS_get_route(int8_tArray our_no
                last_hops_conv_11_conv = RouteHint_clone(&last_hops_conv_11_conv);
                last_hops_constr.data[l] = last_hops_conv_11_conv;
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
-       LDKScore* scorer_conv = (LDKScore*)(((uint64_t)scorer) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
+       void* scorer_ptr = (void*)(((uint64_t)scorer) & ~1);
+       if (!(scorer & 1)) { CHECK_ACCESS(scorer_ptr); }
+       LDKScore* scorer_conv = (LDKScore*)scorer_ptr;
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = get_route(our_node_pubkey_ref, &network_conv, payee_ref, payee_features_conv, first_hops_ptr, last_hops_constr, final_value_msat, final_cltv, logger_conv, scorer_conv);
        if (first_hops_ptr != NULL) { FREE(first_hops_constr.data); }
@@ -25963,7 +26719,9 @@ uint32_t  __attribute__((visibility("default"))) TS_FilesystemPersister_read_cha
        LDKFilesystemPersister this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
+       void* keys_manager_ptr = (void*)(((uint64_t)keys_manager) & ~1);
+       CHECK_ACCESS(keys_manager_ptr);
+       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(keys_manager_ptr);
        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 (uint64_t)ret_conv;
@@ -25987,14 +26745,20 @@ void  __attribute__((visibility("default"))) TS_BackgroundProcessor_free(uint32_
 
 void  __attribute__((visibility("default"))) TS_ChannelManagerPersister_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKChannelManagerPersister this_ptr_conv = *(LDKChannelManagerPersister*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKChannelManagerPersister this_ptr_conv = *(LDKChannelManagerPersister*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        ChannelManagerPersister_free(this_ptr_conv);
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BackgroundProcessor_start(uint32_t persister, uint32_t event_handler, uint32_t chain_monitor, uint32_t channel_manager, uint32_t net_graph_msg_handler, uint32_t peer_manager, uint32_t logger) {
-       LDKChannelManagerPersister persister_conv = *(LDKChannelManagerPersister*)(((uint64_t)persister) & ~1);
-       LDKEventHandler event_handler_conv = *(LDKEventHandler*)(((uint64_t)event_handler) & ~1);
+       void* persister_ptr = (void*)(((uint64_t)persister) & ~1);
+       CHECK_ACCESS(persister_ptr);
+       LDKChannelManagerPersister persister_conv = *(LDKChannelManagerPersister*)(persister_ptr);
+       void* event_handler_ptr = (void*)(((uint64_t)event_handler) & ~1);
+       CHECK_ACCESS(event_handler_ptr);
+       LDKEventHandler event_handler_conv = *(LDKEventHandler*)(event_handler_ptr);
        LDKChainMonitor chain_monitor_conv;
        chain_monitor_conv.inner = (void*)(chain_monitor & (~1));
        chain_monitor_conv.is_owned = false;
@@ -26007,7 +26771,9 @@ uint32_t  __attribute__((visibility("default"))) TS_BackgroundProcessor_start(ui
        LDKPeerManager peer_manager_conv;
        peer_manager_conv.inner = (void*)(peer_manager & (~1));
        peer_manager_conv.is_owned = false;
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -26537,7 +27303,9 @@ jboolean  __attribute__((visibility("default"))) TS_MinFinalCltvExpiry_eq(uint32
 
 void  __attribute__((visibility("default"))) TS_Fallback_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKFallback this_ptr_conv = *(LDKFallback*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKFallback this_ptr_conv = *(LDKFallback*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Fallback_free(this_ptr_conv);
 }
@@ -27267,7 +28035,9 @@ jstring  __attribute__((visibility("default"))) TS_SemanticError_to_str(uint32_t
 
 void  __attribute__((visibility("default"))) TS_SignOrCreationError_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKSignOrCreationError this_ptr_conv = *(LDKSignOrCreationError*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKSignOrCreationError this_ptr_conv = *(LDKSignOrCreationError*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        SignOrCreationError_free(this_ptr_conv);
 }
@@ -27314,9 +28084,13 @@ uint32_t  __attribute__((visibility("default"))) TS_create_invoice_from_channelm
        LDKChannelManager channelmanager_conv;
        channelmanager_conv.inner = (void*)(channelmanager & (~1));
        channelmanager_conv.is_owned = false;
-       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
+       void* keys_manager_ptr = (void*)(((uint64_t)keys_manager) & ~1);
+       CHECK_ACCESS(keys_manager_ptr);
+       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(keys_manager_ptr);
        LDKCurrency network_conv = LDKCurrency_from_js(network);
-       LDKCOption_u64Z amt_msat_conv = *(LDKCOption_u64Z*)(((uint64_t)amt_msat) & ~1);
+       void* amt_msat_ptr = (void*)(((uint64_t)amt_msat) & ~1);
+       CHECK_ACCESS(amt_msat_ptr);
+       LDKCOption_u64Z amt_msat_conv = *(LDKCOption_u64Z*)(amt_msat_ptr);
        amt_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)amt_msat) & ~1));
        LDKStr description_conv = str_ref_to_owned_c(description);
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
index c2e953afa383a8063f52209afaf7b80f64050023..b1df0b5534219c8d3f3ef841607332bdecdc164a 100644 (file)
@@ -19,6 +19,7 @@ void free(void *ptr);
 #define FREE(p) if ((unsigned long)(p) > 1024) { free(p); }
 #define DO_ASSERT(a) (void)(a)
 #define CHECK(a)
+#define CHECK_ACCESS(p)
 
 // We assume that CVec_u8Z and u8slice are the same size and layout (and thus pointers to the two can be mixed)
 _Static_assert(sizeof(LDKCVec_u8Z) == sizeof(LDKu8slice), "Vec<u8> and [u8] need to have been mapped identically");
@@ -859,17 +860,6 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCResult_TxOutAccessErrorZ
        uint32_t err_conv = LDKAccessError_to_js((*val->contents.err));
        return err_conv;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_usizeTransactionZ_new(int64_t a, int8_tArray b) {
-       LDKC2Tuple_usizeTransactionZ* ret = MALLOC(sizeof(LDKC2Tuple_usizeTransactionZ), "LDKC2Tuple_usizeTransactionZ");
-       ret->a = a;
-       LDKTransaction b_ref;
-       b_ref.datalen = *((uint32_t*)b);
-       b_ref.data = MALLOC(b_ref.datalen, "LDKTransaction Bytes");
-       memcpy(b_ref.data, (uint8_t*)(b + 4), b_ref.datalen);
-       b_ref.data_is_owned = false;
-       ret->b = b_ref;
-       return (uint64_t)ret;
-}
 static inline uintptr_t C2Tuple_usizeTransactionZ_get_a(LDKC2Tuple_usizeTransactionZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -901,7 +891,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_C2Tuple_usizeTransac
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKC2Tuple_usizeTransactionZ arr_elem_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_usizeTransactionZ arr_elem_conv = *(LDKC2Tuple_usizeTransactionZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -966,7 +958,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_MonitorEventZ_new(ui
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKMonitorEvent arr_elem_conv = *(LDKMonitorEvent*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKMonitorEvent arr_elem_conv = *(LDKMonitorEvent*)(arr_elem_ptr);
                        arr_elem_conv = MonitorEvent_clone((LDKMonitorEvent*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -1067,7 +1061,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_SpendableOutputDescr
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKSpendableOutputDescriptor arr_elem_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKSpendableOutputDescriptor arr_elem_conv = *(LDKSpendableOutputDescriptor*)(arr_elem_ptr);
                        arr_elem_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -1290,7 +1286,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_MessageSendEventZ_ne
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKMessageSendEvent arr_elem_conv = *(LDKMessageSendEvent*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKMessageSendEvent arr_elem_conv = *(LDKMessageSendEvent*)(arr_elem_ptr);
                        arr_elem_conv = MessageSendEvent_clone((LDKMessageSendEvent*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -1461,29 +1459,6 @@ void  __attribute__((visibility("default"))) TS_LDKCResult_NoneNoneZ_get_err(uin
        CHECK(!val->result_ok);
        return *val->contents.err;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_SignatureCVec_SignatureZZ_new(int8_tArray a, ptrArray b) {
-       LDKC2Tuple_SignatureCVec_SignatureZZ* ret = MALLOC(sizeof(LDKC2Tuple_SignatureCVec_SignatureZZ), "LDKC2Tuple_SignatureCVec_SignatureZZ");
-       LDKSignature a_ref;
-       CHECK(*((uint32_t*)a) == 64);
-       memcpy(a_ref.compact_form, (uint8_t*)(a + 4), 64);
-       ret->a = a_ref;
-       LDKCVec_SignatureZ b_constr;
-       b_constr.datalen = *((uint32_t*)b);
-       if (b_constr.datalen > 0)
-               b_constr.data = MALLOC(b_constr.datalen * sizeof(LDKSignature), "LDKCVec_SignatureZ Elements");
-       else
-               b_constr.data = NULL;
-       int8_tArray* b_vals = (int8_tArray*)(b + 4);
-       for (size_t m = 0; m < b_constr.datalen; m++) {
-               int8_tArray b_conv_12 = b_vals[m];
-               LDKSignature b_conv_12_ref;
-               CHECK(*((uint32_t*)b_conv_12) == 64);
-               memcpy(b_conv_12_ref.compact_form, (uint8_t*)(b_conv_12 + 4), 64);
-               b_constr.data[m] = b_conv_12_ref;
-       }
-       ret->b = b_constr;
-       return (uint64_t)ret;
-}
 static inline struct LDKSignature C2Tuple_SignatureCVec_SignatureZZ_get_a(LDKC2Tuple_SignatureCVec_SignatureZZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -1604,7 +1579,9 @@ LDKCResult_NoneNoneZ validate_holder_commitment_LDKBaseSign_jcall(const void* th
                holder_tx_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->validate_holder_commitment_meth, holder_tx_ref);
-       LDKCResult_NoneNoneZ ret_conv = *(LDKCResult_NoneNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneNoneZ ret_conv = *(LDKCResult_NoneNoneZ*)(ret_ptr);
        ret_conv = CResult_NoneNoneZ_clone((LDKCResult_NoneNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -1627,7 +1604,9 @@ LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_counterparty_commitment_L
                commitment_tx_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->sign_counterparty_commitment_meth, commitment_tx_ref);
-       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(ret_ptr);
        ret_conv = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_clone((LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -1636,7 +1615,9 @@ LDKCResult_NoneNoneZ validate_counterparty_revocation_LDKBaseSign_jcall(const vo
        int8_tArray secret_arr = init_arr(32, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(secret_arr + 4), *secret, 32);
        uint32_t ret = js_invoke_function_2(j_calls->validate_counterparty_revocation_meth, idx, secret_arr);
-       LDKCResult_NoneNoneZ ret_conv = *(LDKCResult_NoneNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneNoneZ ret_conv = *(LDKCResult_NoneNoneZ*)(ret_ptr);
        ret_conv = CResult_NoneNoneZ_clone((LDKCResult_NoneNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -1651,7 +1632,9 @@ LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_holder_commitment_and_htl
                commitment_tx_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->sign_holder_commitment_and_htlcs_meth, commitment_tx_ref);
-       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(ret_ptr);
        ret_conv = CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_clone((LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -1664,7 +1647,9 @@ LDKCResult_SignatureNoneZ sign_justice_revoked_output_LDKBaseSign_jcall(const vo
        int8_tArray per_commitment_key_arr = init_arr(32, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(per_commitment_key_arr + 4), *per_commitment_key, 32);
        uint32_t ret = js_invoke_function_4(j_calls->sign_justice_revoked_output_meth, justice_tx_arr, input, amount, per_commitment_key_arr);
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -1685,7 +1670,9 @@ LDKCResult_SignatureNoneZ sign_justice_revoked_htlc_LDKBaseSign_jcall(const void
                htlc_ref |= 1;
        }
        uint32_t ret = js_invoke_function_5(j_calls->sign_justice_revoked_htlc_meth, justice_tx_arr, input, amount, per_commitment_key_arr, htlc_ref);
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -1706,14 +1693,16 @@ LDKCResult_SignatureNoneZ sign_counterparty_htlc_transaction_LDKBaseSign_jcall(c
                htlc_ref |= 1;
        }
        uint32_t ret = js_invoke_function_5(j_calls->sign_counterparty_htlc_transaction_meth, htlc_tx_arr, input, amount, per_commitment_point_arr, htlc_ref);
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
 LDKCResult_SignatureNoneZ sign_closing_transaction_LDKBaseSign_jcall(const void* this_arg, const LDKClosingTransaction * closing_tx) {
        LDKBaseSign_JCalls *j_calls = (LDKBaseSign_JCalls*) this_arg;
        LDKClosingTransaction closing_tx_var = *closing_tx;
-       // Warning: we may need a move here but no clone is available for LDKClosingTransaction
+       closing_tx_var = ClosingTransaction_clone(closing_tx);
        CHECK((((uint64_t)closing_tx_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&closing_tx_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
        uint64_t closing_tx_ref = (uint64_t)closing_tx_var.inner;
@@ -1721,7 +1710,9 @@ LDKCResult_SignatureNoneZ sign_closing_transaction_LDKBaseSign_jcall(const void*
                closing_tx_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->sign_closing_transaction_meth, closing_tx_ref);
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -1736,7 +1727,9 @@ LDKCResult_SignatureNoneZ sign_channel_announcement_LDKBaseSign_jcall(const void
                msg_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->sign_channel_announcement_meth, msg_ref);
-       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignatureNoneZ ret_conv = *(LDKCResult_SignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_SignatureNoneZ_clone((LDKCResult_SignatureNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -1793,21 +1786,27 @@ long  __attribute__((visibility("default"))) TS_LDKBaseSign_new(/*TODO: JS Objec
        return (long)res_ptr;
 }
 int8_tArray  __attribute__((visibility("default"))) TS_BaseSign_get_per_commitment_point(uint32_t this_arg, int64_t idx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        int8_tArray ret_arr = init_arr(33, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(ret_arr + 4), (this_arg_conv->get_per_commitment_point)(this_arg_conv->this_arg, idx).compressed_form, 33);
        return ret_arr;
 }
 
 int8_tArray  __attribute__((visibility("default"))) TS_BaseSign_release_commitment_secret(uint32_t this_arg, int64_t idx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        int8_tArray ret_arr = init_arr(32, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(ret_arr + 4), (this_arg_conv->release_commitment_secret)(this_arg_conv->this_arg, idx).data, 32);
        return ret_arr;
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_validate_holder_commitment(uint32_t this_arg, uint32_t holder_tx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKHolderCommitmentTransaction holder_tx_conv;
        holder_tx_conv.inner = (void*)(holder_tx & (~1));
        holder_tx_conv.is_owned = false;
@@ -1817,14 +1816,18 @@ uint32_t  __attribute__((visibility("default"))) TS_BaseSign_validate_holder_com
 }
 
 int8_tArray  __attribute__((visibility("default"))) TS_BaseSign_channel_keys_id(uint32_t this_arg) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        int8_tArray ret_arr = init_arr(32, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(ret_arr + 4), (this_arg_conv->channel_keys_id)(this_arg_conv->this_arg).data, 32);
        return ret_arr;
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_counterparty_commitment(uint32_t this_arg, uint32_t commitment_tx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKCommitmentTransaction commitment_tx_conv;
        commitment_tx_conv.inner = (void*)(commitment_tx & (~1));
        commitment_tx_conv.is_owned = false;
@@ -1834,7 +1837,9 @@ uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_counterparty_c
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_validate_counterparty_revocation(uint32_t this_arg, int64_t idx, int8_tArray secret) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        unsigned char secret_arr[32];
        CHECK(*((uint32_t*)secret) == 32);
        memcpy(secret_arr, (uint8_t*)(secret + 4), 32);
@@ -1845,7 +1850,9 @@ uint32_t  __attribute__((visibility("default"))) TS_BaseSign_validate_counterpar
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_holder_commitment_and_htlcs(uint32_t this_arg, uint32_t commitment_tx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKHolderCommitmentTransaction commitment_tx_conv;
        commitment_tx_conv.inner = (void*)(commitment_tx & (~1));
        commitment_tx_conv.is_owned = false;
@@ -1855,7 +1862,9 @@ uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_holder_commitm
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_justice_revoked_output(uint32_t this_arg, int8_tArray justice_tx, int64_t input, int64_t amount, int8_tArray per_commitment_key) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKTransaction justice_tx_ref;
        justice_tx_ref.datalen = *((uint32_t*)justice_tx);
        justice_tx_ref.data = MALLOC(justice_tx_ref.datalen, "LDKTransaction Bytes");
@@ -1871,7 +1880,9 @@ uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_justice_revoke
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_justice_revoked_htlc(uint32_t this_arg, int8_tArray justice_tx, int64_t input, int64_t amount, int8_tArray per_commitment_key, uint32_t htlc) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKTransaction justice_tx_ref;
        justice_tx_ref.datalen = *((uint32_t*)justice_tx);
        justice_tx_ref.data = MALLOC(justice_tx_ref.datalen, "LDKTransaction Bytes");
@@ -1890,7 +1901,9 @@ uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_justice_revoke
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_counterparty_htlc_transaction(uint32_t this_arg, int8_tArray htlc_tx, int64_t input, int64_t amount, int8_tArray per_commitment_point, uint32_t htlc) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKTransaction htlc_tx_ref;
        htlc_tx_ref.datalen = *((uint32_t*)htlc_tx);
        htlc_tx_ref.data = MALLOC(htlc_tx_ref.datalen, "LDKTransaction Bytes");
@@ -1908,7 +1921,9 @@ uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_counterparty_h
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_closing_transaction(uint32_t this_arg, uint32_t closing_tx) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKClosingTransaction closing_tx_conv;
        closing_tx_conv.inner = (void*)(closing_tx & (~1));
        closing_tx_conv.is_owned = false;
@@ -1918,7 +1933,9 @@ uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_closing_transa
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_channel_announcement(uint32_t this_arg, uint32_t msg) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKUnsignedChannelAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
@@ -1928,7 +1945,9 @@ uint32_t  __attribute__((visibility("default"))) TS_BaseSign_sign_channel_announ
 }
 
 void  __attribute__((visibility("default"))) TS_BaseSign_ready_channel(uint32_t this_arg, uint32_t channel_parameters) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBaseSign* this_arg_conv = (LDKBaseSign*)this_arg_ptr;
        LDKChannelTransactionParameters channel_parameters_conv;
        channel_parameters_conv.inner = (void*)(channel_parameters & (~1));
        channel_parameters_conv.is_owned = false;
@@ -1941,7 +1960,9 @@ LDKChannelPublicKeys LDKBaseSign_set_get_pubkeys(LDKBaseSign* this_arg) {
        return this_arg->pubkeys;
 }
 uint32_t  __attribute__((visibility("default"))) TS_BaseSign_get_pubkeys(uint32_t this_arg) {
-       LDKBaseSign* this_arg_conv = (LDKBaseSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -2004,7 +2025,9 @@ long  __attribute__((visibility("default"))) TS_LDKSign_new(/*TODO: JS Object Re
        return (long)res_ptr;
 }
 int8_tArray  __attribute__((visibility("default"))) TS_Sign_write(uint32_t this_arg) {
-       LDKSign* this_arg_conv = (LDKSign*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKSign* this_arg_conv = (LDKSign*)this_arg_ptr;
        LDKCVec_u8Z ret_var = (this_arg_conv->write)(this_arg_conv->this_arg);
        int8_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(ret_arr + 4), ret_var.data, ret_var.datalen);
@@ -2106,7 +2129,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_TxOutZ_new(uint32_tA
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKTxOut arr_elem_conv = *(LDKTxOut*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKTxOut arr_elem_conv = *(LDKTxOut*)(arr_elem_ptr);
                        arr_elem_conv = TxOut_clone((LDKTxOut*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -2136,19 +2161,6 @@ void  __attribute__((visibility("default"))) TS_LDKCResult_TransactionNoneZ_get_
        CHECK(!val->result_ok);
        return *val->contents.err;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_BlockHashChannelMonitorZ_new(int8_tArray a, uint32_t b) {
-       LDKC2Tuple_BlockHashChannelMonitorZ* ret = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelMonitorZ), "LDKC2Tuple_BlockHashChannelMonitorZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK(*((uint32_t*)a) == 32);
-       memcpy(a_ref.data, (uint8_t*)(a + 4), 32);
-       ret->a = a_ref;
-       LDKChannelMonitor b_conv;
-       b_conv.inner = (void*)(b & (~1));
-       b_conv.is_owned = (b & 1) || (b == 0);
-       b_conv = ChannelMonitor_clone(&b_conv);
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_BlockHashChannelMonitorZ_get_a(LDKC2Tuple_BlockHashChannelMonitorZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -2184,7 +2196,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_C2Tuple_BlockHashCha
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKC2Tuple_BlockHashChannelMonitorZ arr_elem_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_BlockHashChannelMonitorZ arr_elem_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_BlockHashChannelMonitorZ_clone((LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -2314,7 +2328,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_CResult_NoneAPIError
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKCResult_NoneAPIErrorZ arr_elem_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKCResult_NoneAPIErrorZ arr_elem_conv = *(LDKCResult_NoneAPIErrorZ*)(arr_elem_ptr);
                        arr_elem_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -2338,7 +2354,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_APIErrorZ_new(uint32
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKAPIError arr_elem_conv = *(LDKAPIError*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKAPIError arr_elem_conv = *(LDKAPIError*)(arr_elem_ptr);
                        arr_elem_conv = APIError_clone((LDKAPIError*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -2444,19 +2462,6 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCResult_NonePaymentSendFa
        uint64_t err_ref = ((uint64_t)&(*val->contents.err)) | 1;
        return err_ref;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_PaymentHashPaymentIdZ_new(int8_tArray a, uint32_t b) {
-       LDKC2Tuple_PaymentHashPaymentIdZ* ret = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentIdZ), "LDKC2Tuple_PaymentHashPaymentIdZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK(*((uint32_t*)a) == 32);
-       memcpy(a_ref.data, (uint8_t*)(a + 4), 32);
-       ret->a = a_ref;
-       LDKPaymentId b_conv;
-       b_conv.inner = (void*)(b & (~1));
-       b_conv.is_owned = (b & 1) || (b == 0);
-       b_conv = PaymentId_clone(&b_conv);
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_PaymentHashPaymentIdZ_get_a(LDKC2Tuple_PaymentHashPaymentIdZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -2535,7 +2540,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_NetAddressZ_new(uint
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKNetAddress arr_elem_conv = *(LDKNetAddress*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKNetAddress arr_elem_conv = *(LDKNetAddress*)(arr_elem_ptr);
                        arr_elem_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -2549,18 +2556,6 @@ static inline LDKCVec_NetAddressZ CVec_NetAddressZ_clone(const LDKCVec_NetAddres
        }
        return ret;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_PaymentHashPaymentSecretZ_new(int8_tArray a, int8_tArray b) {
-       LDKC2Tuple_PaymentHashPaymentSecretZ* ret = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentSecretZ), "LDKC2Tuple_PaymentHashPaymentSecretZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK(*((uint32_t*)a) == 32);
-       memcpy(a_ref.data, (uint8_t*)(a + 4), 32);
-       ret->a = a_ref;
-       LDKThirtyTwoBytes b_ref;
-       CHECK(*((uint32_t*)b) == 32);
-       memcpy(b_ref.data, (uint8_t*)(b + 4), 32);
-       ret->b = b_ref;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_PaymentHashPaymentSecretZ_get_a(LDKC2Tuple_PaymentHashPaymentSecretZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -2655,7 +2650,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ watch_channel_LDKWatch_jcall(const void*
                monitor_ref |= 1;
        }
        uint32_t ret = js_invoke_function_2(j_calls->watch_channel_meth, funding_txo_ref, monitor_ref);
-       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(ret_ptr);
        ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone((LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -2676,7 +2673,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_channel_LDKWatch_jcall(const void
                update_ref |= 1;
        }
        uint32_t ret = js_invoke_function_2(j_calls->update_channel_meth, funding_txo_ref, update_ref);
-       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(ret_ptr);
        ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone((LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -2692,7 +2691,9 @@ LDKCVec_MonitorEventZ release_pending_monitor_events_LDKWatch_jcall(const void*
        uint32_t* ret_vals = (uint32_t*)(ret + 4);
        for (size_t o = 0; o < ret_constr.datalen; o++) {
                uint32_t ret_conv_14 = ret_vals[o];
-               LDKMonitorEvent ret_conv_14_conv = *(LDKMonitorEvent*)(((uint64_t)ret_conv_14) & ~1);
+               void* ret_conv_14_ptr = (void*)(((uint64_t)ret_conv_14) & ~1);
+               CHECK_ACCESS(ret_conv_14_ptr);
+               LDKMonitorEvent ret_conv_14_conv = *(LDKMonitorEvent*)(ret_conv_14_ptr);
                ret_conv_14_conv = MonitorEvent_clone((LDKMonitorEvent*)(((uint64_t)ret_conv_14) & ~1));
                ret_constr.data[o] = ret_conv_14_conv;
        }
@@ -2722,7 +2723,9 @@ long  __attribute__((visibility("default"))) TS_LDKWatch_new(/*TODO: JS Object R
        return (long)res_ptr;
 }
 uint32_t  __attribute__((visibility("default"))) TS_Watch_watch_channel(uint32_t this_arg, uint32_t funding_txo, uint32_t monitor) {
-       LDKWatch* this_arg_conv = (LDKWatch*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKWatch* this_arg_conv = (LDKWatch*)this_arg_ptr;
        LDKOutPoint funding_txo_conv;
        funding_txo_conv.inner = (void*)(funding_txo & (~1));
        funding_txo_conv.is_owned = (funding_txo & 1) || (funding_txo == 0);
@@ -2737,7 +2740,9 @@ uint32_t  __attribute__((visibility("default"))) TS_Watch_watch_channel(uint32_t
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_Watch_update_channel(uint32_t this_arg, uint32_t funding_txo, uint32_t update) {
-       LDKWatch* this_arg_conv = (LDKWatch*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKWatch* this_arg_conv = (LDKWatch*)this_arg_ptr;
        LDKOutPoint funding_txo_conv;
        funding_txo_conv.inner = (void*)(funding_txo & (~1));
        funding_txo_conv.is_owned = (funding_txo & 1) || (funding_txo == 0);
@@ -2752,13 +2757,15 @@ uint32_t  __attribute__((visibility("default"))) TS_Watch_update_channel(uint32_
 }
 
 uint32_tArray  __attribute__((visibility("default"))) TS_Watch_release_pending_monitor_events(uint32_t this_arg) {
-       LDKWatch* this_arg_conv = (LDKWatch*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKWatch* this_arg_conv = (LDKWatch*)this_arg_ptr;
        LDKCVec_MonitorEventZ ret_var = (this_arg_conv->release_pending_monitor_events)(this_arg_conv->this_arg);
        uint32_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint32_t), "Native uint32_tArray Bytes");
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKMonitorEvent *ret_conv_14_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
-               *ret_conv_14_copy = MonitorEvent_clone(&ret_var.data[o]);
+               *ret_conv_14_copy = ret_var.data[o];
                uint64_t ret_conv_14_ref = (uint64_t)ret_conv_14_copy;
                ret_arr_ptr[o] = ret_conv_14_ref;
        }
@@ -2807,7 +2814,9 @@ long  __attribute__((visibility("default"))) TS_LDKBroadcasterInterface_new(/*TO
        return (long)res_ptr;
 }
 void  __attribute__((visibility("default"))) TS_BroadcasterInterface_broadcast_transaction(uint32_t this_arg, int8_tArray tx) {
-       LDKBroadcasterInterface* this_arg_conv = (LDKBroadcasterInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKBroadcasterInterface* this_arg_conv = (LDKBroadcasterInterface*)this_arg_ptr;
        LDKTransaction tx_ref;
        tx_ref.datalen = *((uint32_t*)tx);
        tx_ref.data = MALLOC(tx_ref.datalen, "LDKTransaction Bytes");
@@ -2868,7 +2877,9 @@ LDKShutdownScript get_shutdown_scriptpubkey_LDKKeysInterface_jcall(const void* t
 LDKSign get_channel_signer_LDKKeysInterface_jcall(const void* this_arg, bool inbound, uint64_t channel_value_satoshis) {
        LDKKeysInterface_JCalls *j_calls = (LDKKeysInterface_JCalls*) this_arg;
        uint32_t ret = js_invoke_function_2(j_calls->get_channel_signer_meth, inbound, channel_value_satoshis);
-       LDKSign ret_conv = *(LDKSign*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKSign ret_conv = *(LDKSign*)(ret_ptr);
        ret_conv = Sign_clone(&ret_conv);
        return ret_conv;
 }
@@ -2886,7 +2897,9 @@ LDKCResult_SignDecodeErrorZ read_chan_signer_LDKKeysInterface_jcall(const void*
        int8_tArray reader_arr = init_arr(reader_var.datalen, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(reader_arr + 4), reader_var.data, reader_var.datalen);
        uint32_t ret = js_invoke_function_1(j_calls->read_chan_signer_meth, reader_arr);
-       LDKCResult_SignDecodeErrorZ ret_conv = *(LDKCResult_SignDecodeErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_SignDecodeErrorZ ret_conv = *(LDKCResult_SignDecodeErrorZ*)(ret_ptr);
        ret_conv = CResult_SignDecodeErrorZ_clone((LDKCResult_SignDecodeErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -2897,7 +2910,9 @@ LDKCResult_RecoverableSignatureNoneZ sign_invoice_LDKKeysInterface_jcall(const v
        memcpy((uint8_t*)(invoice_preimage_arr + 4), invoice_preimage_var.data, invoice_preimage_var.datalen);
        CVec_u8Z_free(invoice_preimage_var);
        uint32_t ret = js_invoke_function_1(j_calls->sign_invoice_meth, invoice_preimage_arr);
-       LDKCResult_RecoverableSignatureNoneZ ret_conv = *(LDKCResult_RecoverableSignatureNoneZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_RecoverableSignatureNoneZ ret_conv = *(LDKCResult_RecoverableSignatureNoneZ*)(ret_ptr);
        ret_conv = CResult_RecoverableSignatureNoneZ_clone((LDKCResult_RecoverableSignatureNoneZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -2929,14 +2944,18 @@ long  __attribute__((visibility("default"))) TS_LDKKeysInterface_new(/*TODO: JS
        return (long)res_ptr;
 }
 int8_tArray  __attribute__((visibility("default"))) TS_KeysInterface_get_node_secret(uint32_t this_arg) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        int8_tArray ret_arr = init_arr(32, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(ret_arr + 4), (this_arg_conv->get_node_secret)(this_arg_conv->this_arg).bytes, 32);
        return ret_arr;
 }
 
 int8_tArray  __attribute__((visibility("default"))) TS_KeysInterface_get_destination_script(uint32_t this_arg) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        LDKCVec_u8Z ret_var = (this_arg_conv->get_destination_script)(this_arg_conv->this_arg);
        int8_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(ret_arr + 4), ret_var.data, ret_var.datalen);
@@ -2945,7 +2964,9 @@ int8_tArray  __attribute__((visibility("default"))) TS_KeysInterface_get_destina
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_KeysInterface_get_shutdown_scriptpubkey(uint32_t this_arg) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -2957,21 +2978,27 @@ uint32_t  __attribute__((visibility("default"))) TS_KeysInterface_get_shutdown_s
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_KeysInterface_get_channel_signer(uint32_t this_arg, jboolean inbound, int64_t channel_value_satoshis) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       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 (uint64_t)ret_ret;
 }
 
 int8_tArray  __attribute__((visibility("default"))) TS_KeysInterface_get_secure_random_bytes(uint32_t this_arg) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        int8_tArray ret_arr = init_arr(32, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(ret_arr + 4), (this_arg_conv->get_secure_random_bytes)(this_arg_conv->this_arg).data, 32);
        return ret_arr;
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_KeysInterface_read_chan_signer(uint32_t this_arg, int8_tArray reader) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        LDKu8slice reader_ref;
        reader_ref.datalen = *((uint32_t*)reader);
        reader_ref.data = (int8_t*)(reader + 4);
@@ -2981,7 +3008,9 @@ uint32_t  __attribute__((visibility("default"))) TS_KeysInterface_read_chan_sign
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_KeysInterface_sign_invoice(uint32_t this_arg, int8_tArray invoice_preimage) {
-       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKKeysInterface* this_arg_conv = (LDKKeysInterface*)this_arg_ptr;
        LDKCVec_u8Z invoice_preimage_ref;
        invoice_preimage_ref.datalen = *((uint32_t*)invoice_preimage);
        invoice_preimage_ref.data = MALLOC(invoice_preimage_ref.datalen, "LDKCVec_u8Z Bytes");
@@ -3029,7 +3058,9 @@ long  __attribute__((visibility("default"))) TS_LDKFeeEstimator_new(/*TODO: JS O
        return (long)res_ptr;
 }
 int32_t  __attribute__((visibility("default"))) TS_FeeEstimator_get_est_sat_per_1000_weight(uint32_t this_arg, uint32_t confirmation_target) {
-       LDKFeeEstimator* this_arg_conv = (LDKFeeEstimator*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKFeeEstimator* this_arg_conv = (LDKFeeEstimator*)this_arg_ptr;
        LDKConfirmationTarget confirmation_target_conv = LDKConfirmationTarget_from_js(confirmation_target);
        int32_t ret_val = (this_arg_conv->get_est_sat_per_1000_weight)(this_arg_conv->this_arg, confirmation_target_conv);
        return ret_val;
@@ -3073,19 +3104,6 @@ long  __attribute__((visibility("default"))) TS_LDKLogger_new(/*TODO: JS Object
        *res_ptr = LDKLogger_init(o);
        return (long)res_ptr;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_BlockHashChannelManagerZ_new(int8_tArray a, uint32_t b) {
-       LDKC2Tuple_BlockHashChannelManagerZ* ret = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelManagerZ), "LDKC2Tuple_BlockHashChannelManagerZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK(*((uint32_t*)a) == 32);
-       memcpy(a_ref.data, (uint8_t*)(a + 4), 32);
-       ret->a = a_ref;
-       LDKChannelManager b_conv;
-       b_conv.inner = (void*)(b & (~1));
-       b_conv.is_owned = (b & 1) || (b == 0);
-       // Warning: we need a move here but no clone is available for LDKChannelManager
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_BlockHashChannelManagerZ_get_a(LDKC2Tuple_BlockHashChannelManagerZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -3114,8 +3132,7 @@ jboolean  __attribute__((visibility("default"))) TS_LDKCResult_C2Tuple_BlockHash
 uint32_t  __attribute__((visibility("default"))) TS_LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_get_ok(uint32_t arg) {
        LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ *val = (LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ*)(arg & ~1);
        CHECK(val->result_ok);
-       LDKC2Tuple_BlockHashChannelManagerZ* res_conv = MALLOC(sizeof(LDKC2Tuple_BlockHashChannelManagerZ), "LDKC2Tuple_BlockHashChannelManagerZ");
-       *res_conv = (*val->contents.result);
+       LDKC2Tuple_BlockHashChannelManagerZ* res_conv = &(*val->contents.result);
        // Warning: we really need to clone here, but no clone is available for LDKC2Tuple_BlockHashChannelManagerZ
        return ((uint64_t)res_conv) | 1;
 }
@@ -3229,13 +3246,17 @@ long  __attribute__((visibility("default"))) TS_LDKType_new(/*TODO: JS Object Re
        return (long)res_ptr;
 }
 int16_t  __attribute__((visibility("default"))) TS_Type_type_id(uint32_t this_arg) {
-       LDKType* this_arg_conv = (LDKType*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKType* this_arg_conv = (LDKType*)this_arg_ptr;
        int16_t ret_val = (this_arg_conv->type_id)(this_arg_conv->this_arg);
        return ret_val;
 }
 
 jstring  __attribute__((visibility("default"))) TS_Type_debug_str(uint32_t this_arg) {
-       LDKType* this_arg_conv = (LDKType*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKType* this_arg_conv = (LDKType*)this_arg_ptr;
        LDKStr ret_str = (this_arg_conv->debug_str)(this_arg_conv->this_arg);
        jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
        Str_free(ret_str);
@@ -3243,7 +3264,9 @@ jstring  __attribute__((visibility("default"))) TS_Type_debug_str(uint32_t this_
 }
 
 int8_tArray  __attribute__((visibility("default"))) TS_Type_write(uint32_t this_arg) {
-       LDKType* this_arg_conv = (LDKType*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKType* this_arg_conv = (LDKType*)this_arg_ptr;
        LDKCVec_u8Z ret_var = (this_arg_conv->write)(this_arg_conv->this_arg);
        int8_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(ret_arr + 4), ret_var.data, ret_var.datalen);
@@ -3331,24 +3354,6 @@ void  __attribute__((visibility("default"))) TS_LDKCResult_SignedRawInvoiceNoneZ
        CHECK(!val->result_ok);
        return *val->contents.err;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ_new(uint32_t a, int8_tArray b, uint32_t c) {
-       LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ* ret = MALLOC(sizeof(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ), "LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ");
-       LDKRawInvoice a_conv;
-       a_conv.inner = (void*)(a & (~1));
-       a_conv.is_owned = (a & 1) || (a == 0);
-       a_conv = RawInvoice_clone(&a_conv);
-       ret->a = a_conv;
-       LDKThirtyTwoBytes b_ref;
-       CHECK(*((uint32_t*)b) == 32);
-       memcpy(b_ref.data, (uint8_t*)(b + 4), 32);
-       ret->b = b_ref;
-       LDKInvoiceSignature c_conv;
-       c_conv.inner = (void*)(c & (~1));
-       c_conv.is_owned = (c & 1) || (c == 0);
-       c_conv = InvoiceSignature_clone(&c_conv);
-       ret->c = c_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKRawInvoice C3Tuple_RawInvoice_u832InvoiceSignatureZ_get_a(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ *NONNULL_PTR tuple){
        return RawInvoice_clone(&tuple->a);
 }
@@ -3612,20 +3617,6 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCResult_NoneMonitorUpdate
        uint64_t err_ref = (uint64_t)err_var.inner & ~1;
        return err_ref;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_OutPointScriptZ_new(uint32_t a, int8_tArray b) {
-       LDKC2Tuple_OutPointScriptZ* ret = MALLOC(sizeof(LDKC2Tuple_OutPointScriptZ), "LDKC2Tuple_OutPointScriptZ");
-       LDKOutPoint a_conv;
-       a_conv.inner = (void*)(a & (~1));
-       a_conv.is_owned = (a & 1) || (a == 0);
-       a_conv = OutPoint_clone(&a_conv);
-       ret->a = a_conv;
-       LDKCVec_u8Z b_ref;
-       b_ref.datalen = *((uint32_t*)b);
-       b_ref.data = MALLOC(b_ref.datalen, "LDKCVec_u8Z Bytes");
-       memcpy(b_ref.data, (uint8_t*)(b + 4), b_ref.datalen);
-       ret->b = b_ref;
-       return (uint64_t)ret;
-}
 static inline struct LDKOutPoint C2Tuple_OutPointScriptZ_get_a(LDKC2Tuple_OutPointScriptZ *NONNULL_PTR tuple){
        return OutPoint_clone(&tuple->a);
 }
@@ -3653,16 +3644,6 @@ int8_tArray  __attribute__((visibility("default"))) TS_C2Tuple_OutPointScriptZ_g
        return ret_arr;
 }
 
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_u32ScriptZ_new(int32_t a, int8_tArray b) {
-       LDKC2Tuple_u32ScriptZ* ret = MALLOC(sizeof(LDKC2Tuple_u32ScriptZ), "LDKC2Tuple_u32ScriptZ");
-       ret->a = a;
-       LDKCVec_u8Z b_ref;
-       b_ref.datalen = *((uint32_t*)b);
-       b_ref.data = MALLOC(b_ref.datalen, "LDKCVec_u8Z Bytes");
-       memcpy(b_ref.data, (uint8_t*)(b + 4), b_ref.datalen);
-       ret->b = b_ref;
-       return (uint64_t)ret;
-}
 static inline uint32_t C2Tuple_u32ScriptZ_get_a(LDKC2Tuple_u32ScriptZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -3694,7 +3675,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_C2Tuple_u32ScriptZZ_
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKC2Tuple_u32ScriptZ arr_elem_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_u32ScriptZ arr_elem_conv = *(LDKC2Tuple_u32ScriptZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_u32ScriptZ_clone((LDKC2Tuple_u32ScriptZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -3708,28 +3691,6 @@ static inline LDKCVec_C2Tuple_u32ScriptZZ CVec_C2Tuple_u32ScriptZZ_clone(const L
        }
        return ret;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_new(int8_tArray a, uint32_tArray b) {
-       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ* ret = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK(*((uint32_t*)a) == 32);
-       memcpy(a_ref.data, (uint8_t*)(a + 4), 32);
-       ret->a = a_ref;
-       LDKCVec_C2Tuple_u32ScriptZZ b_constr;
-       b_constr.datalen = *((uint32_t*)b);
-       if (b_constr.datalen > 0)
-               b_constr.data = MALLOC(b_constr.datalen * sizeof(LDKC2Tuple_u32ScriptZ), "LDKCVec_C2Tuple_u32ScriptZZ Elements");
-       else
-               b_constr.data = NULL;
-       uint32_t* b_vals = (uint32_t*)(b + 4);
-       for (size_t v = 0; v < b_constr.datalen; v++) {
-               uint32_t b_conv_21 = b_vals[v];
-               LDKC2Tuple_u32ScriptZ b_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)b_conv_21) & ~1);
-               b_conv_21_conv = C2Tuple_u32ScriptZ_clone((LDKC2Tuple_u32ScriptZ*)(((uint64_t)b_conv_21) & ~1));
-               b_constr.data[v] = b_conv_21_conv;
-       }
-       ret->b = b_constr;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_get_a(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -3767,7 +3728,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_C2Tuple_TxidCVec_C2T
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ arr_elem_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ arr_elem_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_clone((LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -3915,7 +3878,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_EventZ_new(uint32_tA
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKEvent arr_elem_conv = *(LDKEvent*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKEvent arr_elem_conv = *(LDKEvent*)(arr_elem_ptr);
                        arr_elem_conv = Event_clone((LDKEvent*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -3929,14 +3894,6 @@ static inline LDKCVec_EventZ CVec_EventZ_clone(const LDKCVec_EventZ *orig) {
        }
        return ret;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_u32TxOutZ_new(int32_t a, uint32_t b) {
-       LDKC2Tuple_u32TxOutZ* ret = MALLOC(sizeof(LDKC2Tuple_u32TxOutZ), "LDKC2Tuple_u32TxOutZ");
-       ret->a = a;
-       LDKTxOut b_conv = *(LDKTxOut*)(((uint64_t)b) & ~1);
-       b_conv = TxOut_clone((LDKTxOut*)(((uint64_t)b) & ~1));
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline uint32_t C2Tuple_u32TxOutZ_get_a(LDKC2Tuple_u32TxOutZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -3966,7 +3923,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_C2Tuple_u32TxOutZZ_n
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKC2Tuple_u32TxOutZ arr_elem_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_u32TxOutZ arr_elem_conv = *(LDKC2Tuple_u32TxOutZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_u32TxOutZ_clone((LDKC2Tuple_u32TxOutZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -3980,28 +3939,6 @@ static inline LDKCVec_C2Tuple_u32TxOutZZ CVec_C2Tuple_u32TxOutZZ_clone(const LDK
        }
        return ret;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_new(int8_tArray a, uint32_tArray b) {
-       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ* ret = MALLOC(sizeof(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ), "LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ");
-       LDKThirtyTwoBytes a_ref;
-       CHECK(*((uint32_t*)a) == 32);
-       memcpy(a_ref.data, (uint8_t*)(a + 4), 32);
-       ret->a = a_ref;
-       LDKCVec_C2Tuple_u32TxOutZZ b_constr;
-       b_constr.datalen = *((uint32_t*)b);
-       if (b_constr.datalen > 0)
-               b_constr.data = MALLOC(b_constr.datalen * sizeof(LDKC2Tuple_u32TxOutZ), "LDKCVec_C2Tuple_u32TxOutZZ Elements");
-       else
-               b_constr.data = NULL;
-       uint32_t* b_vals = (uint32_t*)(b + 4);
-       for (size_t u = 0; u < b_constr.datalen; u++) {
-               uint32_t b_conv_20 = b_vals[u];
-               LDKC2Tuple_u32TxOutZ b_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)b_conv_20) & ~1);
-               b_conv_20_conv = C2Tuple_u32TxOutZ_clone((LDKC2Tuple_u32TxOutZ*)(((uint64_t)b_conv_20) & ~1));
-               b_constr.data[u] = b_conv_20_conv;
-       }
-       ret->b = b_constr;
-       return (uint64_t)ret;
-}
 static inline struct LDKThirtyTwoBytes C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_get_a(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ *NONNULL_PTR tuple){
        return ThirtyTwoBytes_clone(&tuple->a);
 }
@@ -4039,7 +3976,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_C2Tuple_TxidCVec_C2T
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ arr_elem_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ arr_elem_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_clone((LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -4081,7 +4020,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_BalanceZ_new(uint32_
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKBalance arr_elem_conv = *(LDKBalance*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKBalance arr_elem_conv = *(LDKBalance*)(arr_elem_ptr);
                        arr_elem_conv = Balance_clone((LDKBalance*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -4132,17 +4073,6 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCResult_NoneLightningErro
        uint64_t err_ref = (uint64_t)err_var.inner & ~1;
        return err_ref;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC2Tuple_PublicKeyTypeZ_new(int8_tArray a, uint32_t b) {
-       LDKC2Tuple_PublicKeyTypeZ* ret = MALLOC(sizeof(LDKC2Tuple_PublicKeyTypeZ), "LDKC2Tuple_PublicKeyTypeZ");
-       LDKPublicKey a_ref;
-       CHECK(*((uint32_t*)a) == 33);
-       memcpy(a_ref.compressed_form, (uint8_t*)(a + 4), 33);
-       ret->a = a_ref;
-       LDKType b_conv = *(LDKType*)(((uint64_t)b) & ~1);
-       b_conv = Type_clone(&b_conv);
-       ret->b = b_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKPublicKey C2Tuple_PublicKeyTypeZ_get_a(LDKC2Tuple_PublicKeyTypeZ *NONNULL_PTR tuple){
        return tuple->a;
 }
@@ -4173,7 +4103,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_C2Tuple_PublicKeyTyp
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKC2Tuple_PublicKeyTypeZ arr_elem_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC2Tuple_PublicKeyTypeZ arr_elem_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(arr_elem_ptr);
                        arr_elem_conv = C2Tuple_PublicKeyTypeZ_clone((LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -4204,25 +4136,6 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCResult_boolLightningErro
        uint64_t err_ref = (uint64_t)err_var.inner & ~1;
        return err_ref;
 }
-uint32_t  __attribute__((visibility("default"))) TS_LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_new(uint32_t a, uint32_t b, uint32_t c) {
-       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ* ret = MALLOC(sizeof(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ), "LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ");
-       LDKChannelAnnouncement a_conv;
-       a_conv.inner = (void*)(a & (~1));
-       a_conv.is_owned = (a & 1) || (a == 0);
-       a_conv = ChannelAnnouncement_clone(&a_conv);
-       ret->a = a_conv;
-       LDKChannelUpdate b_conv;
-       b_conv.inner = (void*)(b & (~1));
-       b_conv.is_owned = (b & 1) || (b == 0);
-       b_conv = ChannelUpdate_clone(&b_conv);
-       ret->b = b_conv;
-       LDKChannelUpdate c_conv;
-       c_conv.inner = (void*)(c & (~1));
-       c_conv.is_owned = (c & 1) || (c == 0);
-       c_conv = ChannelUpdate_clone(&c_conv);
-       ret->c = c_conv;
-       return (uint64_t)ret;
-}
 static inline struct LDKChannelAnnouncement C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_a(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ *NONNULL_PTR tuple){
        return ChannelAnnouncement_clone(&tuple->a);
 }
@@ -4278,7 +4191,9 @@ uint32_t  __attribute__((visibility("default"))) TS_LDKCVec_C3Tuple_ChannelAnnou
                uint32_t *java_elems = (uint32_t*)(elems + 4);
                for (size_t i = 0; i < ret->datalen; i++) {
                        uint32_t arr_elem = java_elems[i];
-                       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ arr_elem_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)arr_elem) & ~1);
+                       void* arr_elem_ptr = (void*)(((uint64_t)arr_elem) & ~1);
+                       CHECK_ACCESS(arr_elem_ptr);
+                       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ arr_elem_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(arr_elem_ptr);
                        arr_elem_conv = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_clone((LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)arr_elem) & ~1));
                        ret->data[i] = arr_elem_conv;
                }
@@ -4409,7 +4324,9 @@ LDKCResult_TxOutAccessErrorZ get_utxo_LDKAccess_jcall(const void* this_arg, cons
        int8_tArray genesis_hash_arr = init_arr(32, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(genesis_hash_arr + 4), *genesis_hash, 32);
        uint32_t ret = js_invoke_function_2(j_calls->get_utxo_meth, genesis_hash_arr, short_channel_id);
-       LDKCResult_TxOutAccessErrorZ ret_conv = *(LDKCResult_TxOutAccessErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_TxOutAccessErrorZ ret_conv = *(LDKCResult_TxOutAccessErrorZ*)(ret_ptr);
        ret_conv = CResult_TxOutAccessErrorZ_clone((LDKCResult_TxOutAccessErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -4435,7 +4352,9 @@ long  __attribute__((visibility("default"))) TS_LDKAccess_new(/*TODO: JS Object
        return (long)res_ptr;
 }
 uint32_t  __attribute__((visibility("default"))) TS_Access_get_utxo(uint32_t this_arg, int8_tArray genesis_hash, int64_t short_channel_id) {
-       LDKAccess* this_arg_conv = (LDKAccess*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKAccess* this_arg_conv = (LDKAccess*)this_arg_ptr;
        unsigned char genesis_hash_arr[32];
        CHECK(*((uint32_t*)genesis_hash) == 32);
        memcpy(genesis_hash_arr, (uint8_t*)(genesis_hash + 4), 32);
@@ -5515,7 +5434,9 @@ LDKCOption_C2Tuple_usizeTransactionZZ register_output_LDKFilter_jcall(const void
                output_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->register_output_meth, output_ref);
-       LDKCOption_C2Tuple_usizeTransactionZZ ret_conv = *(LDKCOption_C2Tuple_usizeTransactionZZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCOption_C2Tuple_usizeTransactionZZ ret_conv = *(LDKCOption_C2Tuple_usizeTransactionZZ*)(ret_ptr);
        ret_conv = COption_C2Tuple_usizeTransactionZZ_clone((LDKCOption_C2Tuple_usizeTransactionZZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -5542,7 +5463,9 @@ long  __attribute__((visibility("default"))) TS_LDKFilter_new(/*TODO: JS Object
        return (long)res_ptr;
 }
 void  __attribute__((visibility("default"))) TS_Filter_register_tx(uint32_t this_arg, int8_tArray txid, int8_tArray script_pubkey) {
-       LDKFilter* this_arg_conv = (LDKFilter*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKFilter* this_arg_conv = (LDKFilter*)this_arg_ptr;
        unsigned char txid_arr[32];
        CHECK(*((uint32_t*)txid) == 32);
        memcpy(txid_arr, (uint8_t*)(txid + 4), 32);
@@ -5554,7 +5477,9 @@ void  __attribute__((visibility("default"))) TS_Filter_register_tx(uint32_t this
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_Filter_register_output(uint32_t this_arg, uint32_t output) {
-       LDKFilter* this_arg_conv = (LDKFilter*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKFilter* this_arg_conv = (LDKFilter*)this_arg_ptr;
        LDKWatchedOutput output_conv;
        output_conv.inner = (void*)(output & (~1));
        output_conv.is_owned = (output & 1) || (output == 0);
@@ -5646,7 +5571,9 @@ LDKCVec_MessageSendEventZ get_and_clear_pending_msg_events_LDKMessageSendEventsP
        uint32_t* ret_vals = (uint32_t*)(ret + 4);
        for (size_t s = 0; s < ret_constr.datalen; s++) {
                uint32_t ret_conv_18 = ret_vals[s];
-               LDKMessageSendEvent ret_conv_18_conv = *(LDKMessageSendEvent*)(((uint64_t)ret_conv_18) & ~1);
+               void* ret_conv_18_ptr = (void*)(((uint64_t)ret_conv_18) & ~1);
+               CHECK_ACCESS(ret_conv_18_ptr);
+               LDKMessageSendEvent ret_conv_18_conv = *(LDKMessageSendEvent*)(ret_conv_18_ptr);
                ret_conv_18_conv = MessageSendEvent_clone((LDKMessageSendEvent*)(((uint64_t)ret_conv_18) & ~1));
                ret_constr.data[s] = ret_conv_18_conv;
        }
@@ -5674,13 +5601,15 @@ long  __attribute__((visibility("default"))) TS_LDKMessageSendEventsProvider_new
        return (long)res_ptr;
 }
 uint32_tArray  __attribute__((visibility("default"))) TS_MessageSendEventsProvider_get_and_clear_pending_msg_events(uint32_t this_arg) {
-       LDKMessageSendEventsProvider* this_arg_conv = (LDKMessageSendEventsProvider*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKMessageSendEventsProvider* this_arg_conv = (LDKMessageSendEventsProvider*)this_arg_ptr;
        LDKCVec_MessageSendEventZ ret_var = (this_arg_conv->get_and_clear_pending_msg_events)(this_arg_conv->this_arg);
        uint32_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint32_t), "Native uint32_tArray Bytes");
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
        for (size_t s = 0; s < ret_var.datalen; s++) {
                LDKMessageSendEvent *ret_conv_18_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
-               *ret_conv_18_copy = MessageSendEvent_clone(&ret_var.data[s]);
+               *ret_conv_18_copy = ret_var.data[s];
                uint64_t ret_conv_18_ref = (uint64_t)ret_conv_18_copy;
                ret_arr_ptr[s] = ret_conv_18_ref;
        }
@@ -5727,7 +5656,9 @@ long  __attribute__((visibility("default"))) TS_LDKEventHandler_new(/*TODO: JS O
        return (long)res_ptr;
 }
 void  __attribute__((visibility("default"))) TS_EventHandler_handle_event(uint32_t this_arg, uint32_t event) {
-       LDKEventHandler* this_arg_conv = (LDKEventHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKEventHandler* this_arg_conv = (LDKEventHandler*)this_arg_ptr;
        LDKEvent* event_conv = (LDKEvent*)event;
        (this_arg_conv->handle_event)(this_arg_conv->this_arg, event_conv);
 }
@@ -5771,8 +5702,12 @@ long  __attribute__((visibility("default"))) TS_LDKEventsProvider_new(/*TODO: JS
        return (long)res_ptr;
 }
 void  __attribute__((visibility("default"))) TS_EventsProvider_process_pending_events(uint32_t this_arg, uint32_t handler) {
-       LDKEventsProvider* this_arg_conv = (LDKEventsProvider*)(((uint64_t)this_arg) & ~1);
-       LDKEventHandler handler_conv = *(LDKEventHandler*)(((uint64_t)handler) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKEventsProvider* this_arg_conv = (LDKEventsProvider*)this_arg_ptr;
+       void* handler_ptr = (void*)(((uint64_t)handler) & ~1);
+       CHECK_ACCESS(handler_ptr);
+       LDKEventHandler handler_conv = *(LDKEventHandler*)(handler_ptr);
        (this_arg_conv->process_pending_events)(this_arg_conv->this_arg, handler_conv);
 }
 
@@ -5825,7 +5760,9 @@ long  __attribute__((visibility("default"))) TS_LDKListen_new(/*TODO: JS Object
        return (long)res_ptr;
 }
 void  __attribute__((visibility("default"))) TS_Listen_block_connected(uint32_t this_arg, int8_tArray block, int32_t height) {
-       LDKListen* this_arg_conv = (LDKListen*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKListen* this_arg_conv = (LDKListen*)this_arg_ptr;
        LDKu8slice block_ref;
        block_ref.datalen = *((uint32_t*)block);
        block_ref.data = (int8_t*)(block + 4);
@@ -5833,7 +5770,9 @@ void  __attribute__((visibility("default"))) TS_Listen_block_connected(uint32_t
 }
 
 void  __attribute__((visibility("default"))) TS_Listen_block_disconnected(uint32_t this_arg, int8_tArray header, int32_t height) {
-       LDKListen* this_arg_conv = (LDKListen*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKListen* this_arg_conv = (LDKListen*)this_arg_ptr;
        unsigned char header_arr[80];
        CHECK(*((uint32_t*)header) == 80);
        memcpy(header_arr, (uint8_t*)(header + 4), 80);
@@ -5929,7 +5868,9 @@ long  __attribute__((visibility("default"))) TS_LDKConfirm_new(/*TODO: JS Object
        return (long)res_ptr;
 }
 void  __attribute__((visibility("default"))) TS_Confirm_transactions_confirmed(uint32_t this_arg, int8_tArray header, uint32_tArray txdata, int32_t height) {
-       LDKConfirm* this_arg_conv = (LDKConfirm*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKConfirm* this_arg_conv = (LDKConfirm*)this_arg_ptr;
        unsigned char header_arr[80];
        CHECK(*((uint32_t*)header) == 80);
        memcpy(header_arr, (uint8_t*)(header + 4), 80);
@@ -5943,7 +5884,9 @@ void  __attribute__((visibility("default"))) TS_Confirm_transactions_confirmed(u
        uint32_t* txdata_vals = (uint32_t*)(txdata + 4);
        for (size_t c = 0; c < txdata_constr.datalen; c++) {
                uint32_t txdata_conv_28 = txdata_vals[c];
-               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1);
+               void* txdata_conv_28_ptr = (void*)(((uint64_t)txdata_conv_28) & ~1);
+               CHECK_ACCESS(txdata_conv_28_ptr);
+               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(txdata_conv_28_ptr);
                txdata_conv_28_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1));
                txdata_constr.data[c] = txdata_conv_28_conv;
        }
@@ -5951,7 +5894,9 @@ void  __attribute__((visibility("default"))) TS_Confirm_transactions_confirmed(u
 }
 
 void  __attribute__((visibility("default"))) TS_Confirm_transaction_unconfirmed(uint32_t this_arg, int8_tArray txid) {
-       LDKConfirm* this_arg_conv = (LDKConfirm*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKConfirm* this_arg_conv = (LDKConfirm*)this_arg_ptr;
        unsigned char txid_arr[32];
        CHECK(*((uint32_t*)txid) == 32);
        memcpy(txid_arr, (uint8_t*)(txid + 4), 32);
@@ -5960,7 +5905,9 @@ void  __attribute__((visibility("default"))) TS_Confirm_transaction_unconfirmed(
 }
 
 void  __attribute__((visibility("default"))) TS_Confirm_best_block_updated(uint32_t this_arg, int8_tArray header, int32_t height) {
-       LDKConfirm* this_arg_conv = (LDKConfirm*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKConfirm* this_arg_conv = (LDKConfirm*)this_arg_ptr;
        unsigned char header_arr[80];
        CHECK(*((uint32_t*)header) == 80);
        memcpy(header_arr, (uint8_t*)(header + 4), 80);
@@ -5969,7 +5916,9 @@ void  __attribute__((visibility("default"))) TS_Confirm_best_block_updated(uint3
 }
 
 ptrArray  __attribute__((visibility("default"))) TS_Confirm_get_relevant_txids(uint32_t this_arg) {
-       LDKConfirm* this_arg_conv = (LDKConfirm*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKConfirm* this_arg_conv = (LDKConfirm*)this_arg_ptr;
        LDKCVec_TxidZ ret_var = (this_arg_conv->get_relevant_txids)(this_arg_conv->this_arg);
        ptrArray ret_arr = init_arr(ret_var.datalen, sizeof(uint32_t), "Native ptrArray Bytes");
        int8_tArray *ret_arr_ptr = (int8_tArray*)(ret_arr + 4);
@@ -6013,7 +5962,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ persist_new_channel_LDKPersist_jcall(con
                data_ref |= 1;
        }
        uint32_t ret = js_invoke_function_2(j_calls->persist_new_channel_meth, id_ref, data_ref);
-       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(ret_ptr);
        ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone((LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -6043,7 +5994,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_persisted_channel_LDKPersist_jcal
                data_ref |= 1;
        }
        uint32_t ret = js_invoke_function_3(j_calls->update_persisted_channel_meth, id_ref, update_ref, data_ref);
-       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ ret_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(ret_ptr);
        ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone((LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -6070,7 +6023,9 @@ long  __attribute__((visibility("default"))) TS_LDKPersist_new(/*TODO: JS Object
        return (long)res_ptr;
 }
 uint32_t  __attribute__((visibility("default"))) TS_Persist_persist_new_channel(uint32_t this_arg, uint32_t id, uint32_t data) {
-       LDKPersist* this_arg_conv = (LDKPersist*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKPersist* this_arg_conv = (LDKPersist*)this_arg_ptr;
        LDKOutPoint id_conv;
        id_conv.inner = (void*)(id & (~1));
        id_conv.is_owned = (id & 1) || (id == 0);
@@ -6084,7 +6039,9 @@ uint32_t  __attribute__((visibility("default"))) TS_Persist_persist_new_channel(
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_Persist_update_persisted_channel(uint32_t this_arg, uint32_t id, uint32_t update, uint32_t data) {
-       LDKPersist* this_arg_conv = (LDKPersist*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKPersist* this_arg_conv = (LDKPersist*)this_arg_ptr;
        LDKOutPoint id_conv;
        id_conv.inner = (void*)(id & (~1));
        id_conv.is_owned = (id & 1) || (id == 0);
@@ -6488,7 +6445,9 @@ long  __attribute__((visibility("default"))) TS_LDKChannelMessageHandler_new(/*T
        return (long)res_ptr;
 }
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_open_channel(uint32_t this_arg, int8_tArray their_node_id, uint32_t their_features, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6503,7 +6462,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_ope
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_accept_channel(uint32_t this_arg, int8_tArray their_node_id, uint32_t their_features, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6518,7 +6479,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_acc
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_funding_created(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6529,7 +6492,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_fun
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_funding_signed(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6540,7 +6505,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_fun
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_funding_locked(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6551,7 +6518,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_fun
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_shutdown(uint32_t this_arg, int8_tArray their_node_id, uint32_t their_features, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6565,7 +6534,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_shu
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_closing_signed(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6576,7 +6547,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_clo
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_update_add_htlc(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6587,7 +6560,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_upd
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_update_fulfill_htlc(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6598,7 +6573,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_upd
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_update_fail_htlc(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6609,7 +6586,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_upd
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_update_fail_malformed_htlc(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6620,7 +6599,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_upd
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_commitment_signed(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6631,7 +6612,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_com
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_revoke_and_ack(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6642,7 +6625,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_rev
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_update_fee(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6653,7 +6638,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_upd
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_announcement_signatures(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6664,7 +6651,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_ann
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_peer_disconnected(uint32_t this_arg, int8_tArray their_node_id, jboolean no_connection_possible) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6672,7 +6661,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_peer_disco
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_peer_connected(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6683,7 +6674,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_peer_conne
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_channel_reestablish(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6694,7 +6687,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_cha
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_channel_update(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6705,7 +6700,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_cha
 }
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_handle_error(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -6756,7 +6753,9 @@ LDKCResult_boolLightningErrorZ handle_node_announcement_LDKRoutingMessageHandler
                msg_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->handle_node_announcement_meth, msg_ref);
-       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_boolLightningErrorZ_clone((LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -6771,7 +6770,9 @@ LDKCResult_boolLightningErrorZ handle_channel_announcement_LDKRoutingMessageHand
                msg_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->handle_channel_announcement_meth, msg_ref);
-       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_boolLightningErrorZ_clone((LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -6786,7 +6787,9 @@ LDKCResult_boolLightningErrorZ handle_channel_update_LDKRoutingMessageHandler_jc
                msg_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->handle_channel_update_meth, msg_ref);
-       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_boolLightningErrorZ ret_conv = *(LDKCResult_boolLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_boolLightningErrorZ_clone((LDKCResult_boolLightningErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -6802,7 +6805,9 @@ LDKCVec_C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZZ get_next_channel
        uint32_t* ret_vals = (uint32_t*)(ret + 4);
        for (size_t h = 0; h < ret_constr.datalen; h++) {
                uint32_t ret_conv_59 = ret_vals[h];
-               LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ ret_conv_59_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)ret_conv_59) & ~1);
+               void* ret_conv_59_ptr = (void*)(((uint64_t)ret_conv_59) & ~1);
+               CHECK_ACCESS(ret_conv_59_ptr);
+               LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ ret_conv_59_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(ret_conv_59_ptr);
                ret_conv_59_conv = C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_clone((LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)ret_conv_59) & ~1));
                ret_constr.data[h] = ret_conv_59_conv;
        }
@@ -6856,7 +6861,9 @@ LDKCResult_NoneLightningErrorZ handle_reply_channel_range_LDKRoutingMessageHandl
                msg_ref |= 1;
        }
        uint32_t ret = js_invoke_function_2(j_calls->handle_reply_channel_range_meth, their_node_id_arr, msg_ref);
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -6872,7 +6879,9 @@ LDKCResult_NoneLightningErrorZ handle_reply_short_channel_ids_end_LDKRoutingMess
                msg_ref |= 1;
        }
        uint32_t ret = js_invoke_function_2(j_calls->handle_reply_short_channel_ids_end_meth, their_node_id_arr, msg_ref);
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -6888,7 +6897,9 @@ LDKCResult_NoneLightningErrorZ handle_query_channel_range_LDKRoutingMessageHandl
                msg_ref |= 1;
        }
        uint32_t ret = js_invoke_function_2(j_calls->handle_query_channel_range_meth, their_node_id_arr, msg_ref);
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -6904,7 +6915,9 @@ LDKCResult_NoneLightningErrorZ handle_query_short_channel_ids_LDKRoutingMessageH
                msg_ref |= 1;
        }
        uint32_t ret = js_invoke_function_2(j_calls->handle_query_short_channel_ids_meth, their_node_id_arr, msg_ref);
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -6942,7 +6955,9 @@ long  __attribute__((visibility("default"))) TS_LDKRoutingMessageHandler_new(/*T
        return (long)res_ptr;
 }
 uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle_node_announcement(uint32_t this_arg, uint32_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKNodeAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
@@ -6952,7 +6967,9 @@ uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle_channel_announcement(uint32_t this_arg, uint32_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKChannelAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
@@ -6962,7 +6979,9 @@ uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle_channel_update(uint32_t this_arg, uint32_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKChannelUpdate msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
@@ -6972,7 +6991,9 @@ uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle
 }
 
 uint32_tArray  __attribute__((visibility("default"))) TS_RoutingMessageHandler_get_next_channel_announcements(uint32_t this_arg, int64_t starting_point, int8_t batch_amount) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKCVec_C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZZ ret_var = (this_arg_conv->get_next_channel_announcements)(this_arg_conv->this_arg, starting_point, batch_amount);
        uint32_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint32_t), "Native uint32_tArray Bytes");
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
@@ -6986,7 +7007,9 @@ uint32_tArray  __attribute__((visibility("default"))) TS_RoutingMessageHandler_g
 }
 
 uint32_tArray  __attribute__((visibility("default"))) TS_RoutingMessageHandler_get_next_node_announcements(uint32_t this_arg, int8_tArray starting_point, int8_t batch_amount) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey starting_point_ref;
        CHECK(*((uint32_t*)starting_point) == 33);
        memcpy(starting_point_ref.compressed_form, (uint8_t*)(starting_point + 4), 33);
@@ -7008,7 +7031,9 @@ uint32_tArray  __attribute__((visibility("default"))) TS_RoutingMessageHandler_g
 }
 
 void  __attribute__((visibility("default"))) TS_RoutingMessageHandler_sync_routing_table(uint32_t this_arg, int8_tArray their_node_id, uint32_t init) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -7019,7 +7044,9 @@ void  __attribute__((visibility("default"))) TS_RoutingMessageHandler_sync_routi
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle_reply_channel_range(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -7033,7 +7060,9 @@ uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle_reply_short_channel_ids_end(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -7047,7 +7076,9 @@ uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle_query_channel_range(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -7061,7 +7092,9 @@ uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_RoutingMessageHandler_handle_query_short_channel_ids(uint32_t this_arg, int8_tArray their_node_id, uint32_t msg) {
-       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)this_arg_ptr;
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
@@ -7091,7 +7124,9 @@ LDKCResult_COption_TypeZDecodeErrorZ read_LDKCustomMessageReader_jcall(const voi
        int8_tArray buffer_arr = init_arr(buffer_var.datalen, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(buffer_arr + 4), buffer_var.data, buffer_var.datalen);
        uint32_t ret = js_invoke_function_2(j_calls->read_meth, message_type, buffer_arr);
-       LDKCResult_COption_TypeZDecodeErrorZ ret_conv = *(LDKCResult_COption_TypeZDecodeErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_COption_TypeZDecodeErrorZ ret_conv = *(LDKCResult_COption_TypeZDecodeErrorZ*)(ret_ptr);
        ret_conv = CResult_COption_TypeZDecodeErrorZ_clone((LDKCResult_COption_TypeZDecodeErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -7117,7 +7152,9 @@ long  __attribute__((visibility("default"))) TS_LDKCustomMessageReader_new(/*TOD
        return (long)res_ptr;
 }
 uint32_t  __attribute__((visibility("default"))) TS_CustomMessageReader_read(uint32_t this_arg, int16_t message_type, int8_tArray buffer) {
-       LDKCustomMessageReader* this_arg_conv = (LDKCustomMessageReader*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKCustomMessageReader* this_arg_conv = (LDKCustomMessageReader*)this_arg_ptr;
        LDKu8slice buffer_ref;
        buffer_ref.datalen = *((uint32_t*)buffer);
        buffer_ref.data = (int8_t*)(buffer + 4);
@@ -7147,7 +7184,9 @@ LDKCResult_NoneLightningErrorZ handle_custom_message_LDKCustomMessageHandler_jca
        int8_tArray sender_node_id_arr = init_arr(33, sizeof(uint8_t), "Native int8_tArray Bytes");
        memcpy((uint8_t*)(sender_node_id_arr + 4), sender_node_id.compressed_form, 33);
        uint32_t ret = js_invoke_function_2(j_calls->handle_custom_message_meth, (uint64_t)msg_ret, sender_node_id_arr);
-       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneLightningErrorZ ret_conv = *(LDKCResult_NoneLightningErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -7163,7 +7202,9 @@ LDKCVec_C2Tuple_PublicKeyTypeZZ get_and_clear_pending_msg_LDKCustomMessageHandle
        uint32_t* ret_vals = (uint32_t*)(ret + 4);
        for (size_t z = 0; z < ret_constr.datalen; z++) {
                uint32_t ret_conv_25 = ret_vals[z];
-               LDKC2Tuple_PublicKeyTypeZ ret_conv_25_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)ret_conv_25) & ~1);
+               void* ret_conv_25_ptr = (void*)(((uint64_t)ret_conv_25) & ~1);
+               CHECK_ACCESS(ret_conv_25_ptr);
+               LDKC2Tuple_PublicKeyTypeZ ret_conv_25_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(ret_conv_25_ptr);
                ret_conv_25_conv = C2Tuple_PublicKeyTypeZ_clone((LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)ret_conv_25) & ~1));
                ret_constr.data[z] = ret_conv_25_conv;
        }
@@ -7195,8 +7236,12 @@ long  __attribute__((visibility("default"))) TS_LDKCustomMessageHandler_new(/*TO
        return (long)res_ptr;
 }
 uint32_t  __attribute__((visibility("default"))) TS_CustomMessageHandler_handle_custom_message(uint32_t this_arg, uint32_t msg, int8_tArray sender_node_id) {
-       LDKCustomMessageHandler* this_arg_conv = (LDKCustomMessageHandler*)(((uint64_t)this_arg) & ~1);
-       LDKType msg_conv = *(LDKType*)(((uint64_t)msg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKCustomMessageHandler* this_arg_conv = (LDKCustomMessageHandler*)this_arg_ptr;
+       void* msg_ptr = (void*)(((uint64_t)msg) & ~1);
+       CHECK_ACCESS(msg_ptr);
+       LDKType msg_conv = *(LDKType*)(msg_ptr);
        LDKPublicKey sender_node_id_ref;
        CHECK(*((uint32_t*)sender_node_id) == 33);
        memcpy(sender_node_id_ref.compressed_form, (uint8_t*)(sender_node_id + 4), 33);
@@ -7206,7 +7251,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CustomMessageHandler_handle_
 }
 
 uint32_tArray  __attribute__((visibility("default"))) TS_CustomMessageHandler_get_and_clear_pending_msg(uint32_t this_arg) {
-       LDKCustomMessageHandler* this_arg_conv = (LDKCustomMessageHandler*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKCustomMessageHandler* this_arg_conv = (LDKCustomMessageHandler*)this_arg_ptr;
        LDKCVec_C2Tuple_PublicKeyTypeZZ ret_var = (this_arg_conv->get_and_clear_pending_msg)(this_arg_conv->this_arg);
        uint32_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint32_t), "Native uint32_tArray Bytes");
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
@@ -7283,7 +7330,9 @@ long  __attribute__((visibility("default"))) TS_LDKSocketDescriptor_new(/*TODO:
        return (long)res_ptr;
 }
 int64_t  __attribute__((visibility("default"))) TS_SocketDescriptor_send_data(uint32_t this_arg, int8_tArray data, jboolean resume_read) {
-       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_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 = *((uint32_t*)data);
        data_ref.data = (int8_t*)(data + 4);
@@ -7292,12 +7341,16 @@ int64_t  __attribute__((visibility("default"))) TS_SocketDescriptor_send_data(ui
 }
 
 void  __attribute__((visibility("default"))) TS_SocketDescriptor_disconnect_socket(uint32_t this_arg) {
-       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)this_arg_ptr;
        (this_arg_conv->disconnect_socket)(this_arg_conv->this_arg);
 }
 
 int64_t  __attribute__((visibility("default"))) TS_SocketDescriptor_hash(uint32_t this_arg) {
-       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKSocketDescriptor* this_arg_conv = (LDKSocketDescriptor*)this_arg_ptr;
        int64_t ret_val = (this_arg_conv->hash)(this_arg_conv->this_arg);
        return ret_val;
 }
@@ -7339,7 +7392,9 @@ long  __attribute__((visibility("default"))) TS_LDKScore_new(/*TODO: JS Object R
        return (long)res_ptr;
 }
 int64_t  __attribute__((visibility("default"))) TS_Score_channel_penalty_msat(uint32_t this_arg, int64_t short_channel_id) {
-       LDKScore* this_arg_conv = (LDKScore*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKScore* this_arg_conv = (LDKScore*)this_arg_ptr;
        int64_t ret_val = (this_arg_conv->channel_penalty_msat)(this_arg_conv->this_arg, short_channel_id);
        return ret_val;
 }
@@ -7366,7 +7421,9 @@ LDKCResult_NoneErrorZ persist_manager_LDKChannelManagerPersister_jcall(const voi
                channel_manager_ref |= 1;
        }
        uint32_t ret = js_invoke_function_1(j_calls->persist_manager_meth, channel_manager_ref);
-       LDKCResult_NoneErrorZ ret_conv = *(LDKCResult_NoneErrorZ*)(((uint64_t)ret) & ~1);
+       void* ret_ptr = (void*)(((uint64_t)ret) & ~1);
+       CHECK_ACCESS(ret_ptr);
+       LDKCResult_NoneErrorZ ret_conv = *(LDKCResult_NoneErrorZ*)(ret_ptr);
        ret_conv = CResult_NoneErrorZ_clone((LDKCResult_NoneErrorZ*)(((uint64_t)ret) & ~1));
        return ret_conv;
 }
@@ -7392,7 +7449,9 @@ long  __attribute__((visibility("default"))) TS_LDKChannelManagerPersister_new(/
        return (long)res_ptr;
 }
 uint32_t  __attribute__((visibility("default"))) TS_ChannelManagerPersister_persist_manager(uint32_t this_arg, uint32_t channel_manager) {
-       LDKChannelManagerPersister* this_arg_conv = (LDKChannelManagerPersister*)(((uint64_t)this_arg) & ~1);
+       void* this_arg_ptr = (void*)(((uint64_t)this_arg) & ~1);
+       if (!(this_arg & 1)) { CHECK_ACCESS(this_arg_ptr); }
+       LDKChannelManagerPersister* this_arg_conv = (LDKChannelManagerPersister*)this_arg_ptr;
        LDKChannelManager channel_manager_conv;
        channel_manager_conv.inner = (void*)(channel_manager & (~1));
        channel_manager_conv.is_owned = false;
@@ -7459,7 +7518,9 @@ uint32_t  __attribute__((visibility("default"))) TS_TxOut_new(int8_tArray script
 
 void  __attribute__((visibility("default"))) TS_TxOut_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKTxOut _res_conv = *(LDKTxOut*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKTxOut _res_conv = *(LDKTxOut*)(_res_ptr);
        FREE((void*)_res);
        TxOut_free(_res_conv);
 }
@@ -7494,7 +7555,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_SecretKeyErrorZ_err(
 
 void  __attribute__((visibility("default"))) TS_CResult_SecretKeyErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SecretKeyErrorZ _res_conv = *(LDKCResult_SecretKeyErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SecretKeyErrorZ _res_conv = *(LDKCResult_SecretKeyErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SecretKeyErrorZ_free(_res_conv);
 }
@@ -7517,7 +7580,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PublicKeyErrorZ_err(
 
 void  __attribute__((visibility("default"))) TS_CResult_PublicKeyErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PublicKeyErrorZ _res_conv = *(LDKCResult_PublicKeyErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PublicKeyErrorZ _res_conv = *(LDKCResult_PublicKeyErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PublicKeyErrorZ_free(_res_conv);
 }
@@ -7551,7 +7616,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_TxCreationKeysDecode
 
 void  __attribute__((visibility("default"))) TS_CResult_TxCreationKeysDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TxCreationKeysDecodeErrorZ _res_conv = *(LDKCResult_TxCreationKeysDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TxCreationKeysDecodeErrorZ _res_conv = *(LDKCResult_TxCreationKeysDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TxCreationKeysDecodeErrorZ_free(_res_conv);
 }
@@ -7585,7 +7652,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ChannelPublicKeysDec
 
 void  __attribute__((visibility("default"))) TS_CResult_ChannelPublicKeysDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelPublicKeysDecodeErrorZ _res_conv = *(LDKCResult_ChannelPublicKeysDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelPublicKeysDecodeErrorZ _res_conv = *(LDKCResult_ChannelPublicKeysDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelPublicKeysDecodeErrorZ_free(_res_conv);
 }
@@ -7616,7 +7685,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_TxCreationKeysErrorZ
 
 void  __attribute__((visibility("default"))) TS_CResult_TxCreationKeysErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TxCreationKeysErrorZ _res_conv = *(LDKCResult_TxCreationKeysErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TxCreationKeysErrorZ _res_conv = *(LDKCResult_TxCreationKeysErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TxCreationKeysErrorZ_free(_res_conv);
 }
@@ -7644,7 +7715,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_u32Z_none() {
 
 void  __attribute__((visibility("default"))) TS_COption_u32Z_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_u32Z _res_conv = *(LDKCOption_u32Z*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_u32Z _res_conv = *(LDKCOption_u32Z*)(_res_ptr);
        FREE((void*)_res);
        COption_u32Z_free(_res_conv);
 }
@@ -7679,7 +7752,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_HTLCOutputInCommitme
 
 void  __attribute__((visibility("default"))) TS_CResult_HTLCOutputInCommitmentDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_HTLCOutputInCommitmentDecodeErrorZ _res_conv = *(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_HTLCOutputInCommitmentDecodeErrorZ _res_conv = *(LDKCResult_HTLCOutputInCommitmentDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_HTLCOutputInCommitmentDecodeErrorZ_free(_res_conv);
 }
@@ -7713,7 +7788,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CounterpartyChannelT
 
 void  __attribute__((visibility("default"))) TS_CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ _res_conv = *(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ _res_conv = *(LDKCResult_CounterpartyChannelTransactionParametersDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_free(_res_conv);
 }
@@ -7747,7 +7824,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ChannelTransactionPa
 
 void  __attribute__((visibility("default"))) TS_CResult_ChannelTransactionParametersDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelTransactionParametersDecodeErrorZ _res_conv = *(LDKCResult_ChannelTransactionParametersDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelTransactionParametersDecodeErrorZ _res_conv = *(LDKCResult_ChannelTransactionParametersDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelTransactionParametersDecodeErrorZ_free(_res_conv);
 }
@@ -7799,7 +7878,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_HolderCommitmentTran
 
 void  __attribute__((visibility("default"))) TS_CResult_HolderCommitmentTransactionDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_HolderCommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_HolderCommitmentTransactionDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_HolderCommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_HolderCommitmentTransactionDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_HolderCommitmentTransactionDecodeErrorZ_free(_res_conv);
 }
@@ -7833,7 +7914,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_BuiltCommitmentTrans
 
 void  __attribute__((visibility("default"))) TS_CResult_BuiltCommitmentTransactionDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_BuiltCommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_BuiltCommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_BuiltCommitmentTransactionDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_BuiltCommitmentTransactionDecodeErrorZ_free(_res_conv);
 }
@@ -7863,7 +7946,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_TrustedClosingTransa
 
 void  __attribute__((visibility("default"))) TS_CResult_TrustedClosingTransactionNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TrustedClosingTransactionNoneZ _res_conv = *(LDKCResult_TrustedClosingTransactionNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TrustedClosingTransactionNoneZ _res_conv = *(LDKCResult_TrustedClosingTransactionNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TrustedClosingTransactionNoneZ_free(_res_conv);
 }
@@ -7890,7 +7975,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CommitmentTransactio
 
 void  __attribute__((visibility("default"))) TS_CResult_CommitmentTransactionDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_CommitmentTransactionDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CommitmentTransactionDecodeErrorZ _res_conv = *(LDKCResult_CommitmentTransactionDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CommitmentTransactionDecodeErrorZ_free(_res_conv);
 }
@@ -7920,7 +8007,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_TrustedCommitmentTra
 
 void  __attribute__((visibility("default"))) TS_CResult_TrustedCommitmentTransactionNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TrustedCommitmentTransactionNoneZ _res_conv = *(LDKCResult_TrustedCommitmentTransactionNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TrustedCommitmentTransactionNoneZ _res_conv = *(LDKCResult_TrustedCommitmentTransactionNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TrustedCommitmentTransactionNoneZ_free(_res_conv);
 }
@@ -7953,7 +8042,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CVec_SignatureZNoneZ
 
 void  __attribute__((visibility("default"))) TS_CResult_CVec_SignatureZNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CVec_SignatureZNoneZ _res_conv = *(LDKCResult_CVec_SignatureZNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CVec_SignatureZNoneZ _res_conv = *(LDKCResult_CVec_SignatureZNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CVec_SignatureZNoneZ_free(_res_conv);
 }
@@ -7987,7 +8078,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ShutdownScriptDecode
 
 void  __attribute__((visibility("default"))) TS_CResult_ShutdownScriptDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ShutdownScriptDecodeErrorZ _res_conv = *(LDKCResult_ShutdownScriptDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ShutdownScriptDecodeErrorZ _res_conv = *(LDKCResult_ShutdownScriptDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ShutdownScriptDecodeErrorZ_free(_res_conv);
 }
@@ -8013,7 +8106,7 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ShutdownScriptInvali
        LDKInvalidShutdownScript e_conv;
        e_conv.inner = (void*)(e & (~1));
        e_conv.is_owned = (e & 1) || (e == 0);
-       // Warning: we need a move here but no clone is available for LDKInvalidShutdownScript
+       e_conv = InvalidShutdownScript_clone(&e_conv);
        LDKCResult_ShutdownScriptInvalidShutdownScriptZ* ret_conv = MALLOC(sizeof(LDKCResult_ShutdownScriptInvalidShutdownScriptZ), "LDKCResult_ShutdownScriptInvalidShutdownScriptZ");
        *ret_conv = CResult_ShutdownScriptInvalidShutdownScriptZ_err(e_conv);
        return (uint64_t)ret_conv;
@@ -8021,11 +8114,20 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ShutdownScriptInvali
 
 void  __attribute__((visibility("default"))) TS_CResult_ShutdownScriptInvalidShutdownScriptZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ShutdownScriptInvalidShutdownScriptZ _res_conv = *(LDKCResult_ShutdownScriptInvalidShutdownScriptZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ShutdownScriptInvalidShutdownScriptZ _res_conv = *(LDKCResult_ShutdownScriptInvalidShutdownScriptZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ShutdownScriptInvalidShutdownScriptZ_free(_res_conv);
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_CResult_ShutdownScriptInvalidShutdownScriptZ_clone(uint32_t orig) {
+       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 (uint64_t)ret_conv;
+}
+
 uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneErrorZ_ok() {
        LDKCResult_NoneErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneErrorZ), "LDKCResult_NoneErrorZ");
        *ret_conv = CResult_NoneErrorZ_ok();
@@ -8041,7 +8143,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneErrorZ_err(uint3
 
 void  __attribute__((visibility("default"))) TS_CResult_NoneErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneErrorZ _res_conv = *(LDKCResult_NoneErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneErrorZ _res_conv = *(LDKCResult_NoneErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneErrorZ_free(_res_conv);
 }
@@ -8075,7 +8179,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_RouteHopDecodeErrorZ
 
 void  __attribute__((visibility("default"))) TS_CResult_RouteHopDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RouteHopDecodeErrorZ _res_conv = *(LDKCResult_RouteHopDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RouteHopDecodeErrorZ _res_conv = *(LDKCResult_RouteHopDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RouteHopDecodeErrorZ_free(_res_conv);
 }
@@ -8156,7 +8262,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_RouteDecodeErrorZ_er
 
 void  __attribute__((visibility("default"))) TS_CResult_RouteDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RouteDecodeErrorZ _res_conv = *(LDKCResult_RouteDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RouteDecodeErrorZ _res_conv = *(LDKCResult_RouteDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RouteDecodeErrorZ_free(_res_conv);
 }
@@ -8184,7 +8292,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_u64Z_none() {
 
 void  __attribute__((visibility("default"))) TS_COption_u64Z_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_u64Z _res_conv = *(LDKCOption_u64Z*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_u64Z _res_conv = *(LDKCOption_u64Z*)(_res_ptr);
        FREE((void*)_res);
        COption_u64Z_free(_res_conv);
 }
@@ -8255,7 +8365,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_RouteLightningErrorZ
 
 void  __attribute__((visibility("default"))) TS_CResult_RouteLightningErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RouteLightningErrorZ _res_conv = *(LDKCResult_RouteLightningErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RouteLightningErrorZ _res_conv = *(LDKCResult_RouteLightningErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RouteLightningErrorZ_free(_res_conv);
 }
@@ -8268,7 +8380,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_RouteLightningErrorZ
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_TxOutAccessErrorZ_ok(uint32_t o) {
-       LDKTxOut o_conv = *(LDKTxOut*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKTxOut o_conv = *(LDKTxOut*)(o_ptr);
        o_conv = TxOut_clone((LDKTxOut*)(((uint64_t)o) & ~1));
        LDKCResult_TxOutAccessErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_TxOutAccessErrorZ), "LDKCResult_TxOutAccessErrorZ");
        *ret_conv = CResult_TxOutAccessErrorZ_ok(o_conv);
@@ -8284,7 +8398,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_TxOutAccessErrorZ_er
 
 void  __attribute__((visibility("default"))) TS_CResult_TxOutAccessErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TxOutAccessErrorZ _res_conv = *(LDKCResult_TxOutAccessErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TxOutAccessErrorZ _res_conv = *(LDKCResult_TxOutAccessErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TxOutAccessErrorZ_free(_res_conv);
 }
@@ -8316,7 +8432,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_usizeTransactionZ_ne
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_usizeTransactionZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_usizeTransactionZ _res_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_usizeTransactionZ _res_conv = *(LDKC2Tuple_usizeTransactionZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_usizeTransactionZ_free(_res_conv);
 }
@@ -8331,7 +8449,9 @@ void  __attribute__((visibility("default"))) TS_CVec_C2Tuple_usizeTransactionZZ_
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t c = 0; c < _res_constr.datalen; c++) {
                uint32_t _res_conv_28 = _res_vals[c];
-               LDKC2Tuple_usizeTransactionZ _res_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)_res_conv_28) & ~1);
+               void* _res_conv_28_ptr = (void*)(((uint64_t)_res_conv_28) & ~1);
+               CHECK_ACCESS(_res_conv_28_ptr);
+               LDKC2Tuple_usizeTransactionZ _res_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(_res_conv_28_ptr);
                FREE((void*)_res_conv_28);
                _res_constr.data[c] = _res_conv_28_conv;
        }
@@ -8371,7 +8491,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneChannelMonitorUp
 
 void  __attribute__((visibility("default"))) TS_CResult_NoneChannelMonitorUpdateErrZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneChannelMonitorUpdateErrZ _res_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneChannelMonitorUpdateErrZ _res_conv = *(LDKCResult_NoneChannelMonitorUpdateErrZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneChannelMonitorUpdateErrZ_free(_res_conv);
 }
@@ -8393,7 +8515,9 @@ void  __attribute__((visibility("default"))) TS_CVec_MonitorEventZ_free(uint32_t
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t o = 0; o < _res_constr.datalen; o++) {
                uint32_t _res_conv_14 = _res_vals[o];
-               LDKMonitorEvent _res_conv_14_conv = *(LDKMonitorEvent*)(((uint64_t)_res_conv_14) & ~1);
+               void* _res_conv_14_ptr = (void*)(((uint64_t)_res_conv_14) & ~1);
+               CHECK_ACCESS(_res_conv_14_ptr);
+               LDKMonitorEvent _res_conv_14_conv = *(LDKMonitorEvent*)(_res_conv_14_ptr);
                FREE((void*)_res_conv_14);
                _res_constr.data[o] = _res_conv_14_conv;
        }
@@ -8401,7 +8525,9 @@ void  __attribute__((visibility("default"))) TS_CVec_MonitorEventZ_free(uint32_t
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_COption_C2Tuple_usizeTransactionZZ_some(uint32_t o) {
-       LDKC2Tuple_usizeTransactionZ o_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_usizeTransactionZ o_conv = *(LDKC2Tuple_usizeTransactionZ*)(o_ptr);
        o_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)o) & ~1));
        LDKCOption_C2Tuple_usizeTransactionZZ *ret_copy = MALLOC(sizeof(LDKCOption_C2Tuple_usizeTransactionZZ), "LDKCOption_C2Tuple_usizeTransactionZZ");
        *ret_copy = COption_C2Tuple_usizeTransactionZZ_some(o_conv);
@@ -8418,7 +8544,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_C2Tuple_usizeTransac
 
 void  __attribute__((visibility("default"))) TS_COption_C2Tuple_usizeTransactionZZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_C2Tuple_usizeTransactionZZ _res_conv = *(LDKCOption_C2Tuple_usizeTransactionZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_C2Tuple_usizeTransactionZZ _res_conv = *(LDKCOption_C2Tuple_usizeTransactionZZ*)(_res_ptr);
        FREE((void*)_res);
        COption_C2Tuple_usizeTransactionZZ_free(_res_conv);
 }
@@ -8432,7 +8560,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_C2Tuple_usizeTransac
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_COption_NetworkUpdateZ_some(uint32_t o) {
-       LDKNetworkUpdate o_conv = *(LDKNetworkUpdate*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKNetworkUpdate o_conv = *(LDKNetworkUpdate*)(o_ptr);
        o_conv = NetworkUpdate_clone((LDKNetworkUpdate*)(((uint64_t)o) & ~1));
        LDKCOption_NetworkUpdateZ *ret_copy = MALLOC(sizeof(LDKCOption_NetworkUpdateZ), "LDKCOption_NetworkUpdateZ");
        *ret_copy = COption_NetworkUpdateZ_some(o_conv);
@@ -8449,7 +8579,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_NetworkUpdateZ_none(
 
 void  __attribute__((visibility("default"))) TS_COption_NetworkUpdateZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_NetworkUpdateZ _res_conv = *(LDKCOption_NetworkUpdateZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_NetworkUpdateZ _res_conv = *(LDKCOption_NetworkUpdateZ*)(_res_ptr);
        FREE((void*)_res);
        COption_NetworkUpdateZ_free(_res_conv);
 }
@@ -8472,7 +8604,9 @@ void  __attribute__((visibility("default"))) TS_CVec_SpendableOutputDescriptorZ_
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t b = 0; b < _res_constr.datalen; b++) {
                uint32_t _res_conv_27 = _res_vals[b];
-               LDKSpendableOutputDescriptor _res_conv_27_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)_res_conv_27) & ~1);
+               void* _res_conv_27_ptr = (void*)(((uint64_t)_res_conv_27) & ~1);
+               CHECK_ACCESS(_res_conv_27_ptr);
+               LDKSpendableOutputDescriptor _res_conv_27_conv = *(LDKSpendableOutputDescriptor*)(_res_conv_27_ptr);
                FREE((void*)_res_conv_27);
                _res_constr.data[b] = _res_conv_27_conv;
        }
@@ -8489,7 +8623,9 @@ void  __attribute__((visibility("default"))) TS_CVec_MessageSendEventZ_free(uint
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t s = 0; s < _res_constr.datalen; s++) {
                uint32_t _res_conv_18 = _res_vals[s];
-               LDKMessageSendEvent _res_conv_18_conv = *(LDKMessageSendEvent*)(((uint64_t)_res_conv_18) & ~1);
+               void* _res_conv_18_ptr = (void*)(((uint64_t)_res_conv_18) & ~1);
+               CHECK_ACCESS(_res_conv_18_ptr);
+               LDKMessageSendEvent _res_conv_18_conv = *(LDKMessageSendEvent*)(_res_conv_18_ptr);
                FREE((void*)_res_conv_18);
                _res_constr.data[s] = _res_conv_18_conv;
        }
@@ -8518,7 +8654,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_InitFeaturesDecodeEr
 
 void  __attribute__((visibility("default"))) TS_CResult_InitFeaturesDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InitFeaturesDecodeErrorZ _res_conv = *(LDKCResult_InitFeaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InitFeaturesDecodeErrorZ _res_conv = *(LDKCResult_InitFeaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InitFeaturesDecodeErrorZ_free(_res_conv);
 }
@@ -8545,7 +8683,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NodeFeaturesDecodeEr
 
 void  __attribute__((visibility("default"))) TS_CResult_NodeFeaturesDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeFeaturesDecodeErrorZ _res_conv = *(LDKCResult_NodeFeaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeFeaturesDecodeErrorZ _res_conv = *(LDKCResult_NodeFeaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeFeaturesDecodeErrorZ_free(_res_conv);
 }
@@ -8572,7 +8712,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ChannelFeaturesDecod
 
 void  __attribute__((visibility("default"))) TS_CResult_ChannelFeaturesDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelFeaturesDecodeErrorZ _res_conv = *(LDKCResult_ChannelFeaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelFeaturesDecodeErrorZ _res_conv = *(LDKCResult_ChannelFeaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelFeaturesDecodeErrorZ_free(_res_conv);
 }
@@ -8599,7 +8741,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_InvoiceFeaturesDecod
 
 void  __attribute__((visibility("default"))) TS_CResult_InvoiceFeaturesDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InvoiceFeaturesDecodeErrorZ _res_conv = *(LDKCResult_InvoiceFeaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InvoiceFeaturesDecodeErrorZ _res_conv = *(LDKCResult_InvoiceFeaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InvoiceFeaturesDecodeErrorZ_free(_res_conv);
 }
@@ -8626,7 +8770,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_DelayedPaymentOutput
 
 void  __attribute__((visibility("default"))) TS_CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_free(_res_conv);
 }
@@ -8660,7 +8806,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_StaticPaymentOutputD
 
 void  __attribute__((visibility("default"))) TS_CResult_StaticPaymentOutputDescriptorDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_StaticPaymentOutputDescriptorDecodeErrorZ_free(_res_conv);
 }
@@ -8673,7 +8821,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_StaticPaymentOutputD
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_SpendableOutputDescriptorDecodeErrorZ_ok(uint32_t o) {
-       LDKSpendableOutputDescriptor o_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKSpendableOutputDescriptor o_conv = *(LDKSpendableOutputDescriptor*)(o_ptr);
        o_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)o) & ~1));
        LDKCResult_SpendableOutputDescriptorDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SpendableOutputDescriptorDecodeErrorZ), "LDKCResult_SpendableOutputDescriptorDecodeErrorZ");
        *ret_conv = CResult_SpendableOutputDescriptorDecodeErrorZ_ok(o_conv);
@@ -8692,7 +8842,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_SpendableOutputDescr
 
 void  __attribute__((visibility("default"))) TS_CResult_SpendableOutputDescriptorDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SpendableOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_SpendableOutputDescriptorDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SpendableOutputDescriptorDecodeErrorZ _res_conv = *(LDKCResult_SpendableOutputDescriptorDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SpendableOutputDescriptorDecodeErrorZ_free(_res_conv);
 }
@@ -8718,7 +8870,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneNoneZ_err() {
 
 void  __attribute__((visibility("default"))) TS_CResult_NoneNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneNoneZ _res_conv = *(LDKCResult_NoneNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneNoneZ _res_conv = *(LDKCResult_NoneNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneNoneZ_free(_res_conv);
 }
@@ -8762,13 +8916,17 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_SignatureCVec_Signat
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_SignatureCVec_SignatureZZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_SignatureCVec_SignatureZZ _res_conv = *(LDKC2Tuple_SignatureCVec_SignatureZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_SignatureCVec_SignatureZZ _res_conv = *(LDKC2Tuple_SignatureCVec_SignatureZZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_SignatureCVec_SignatureZZ_free(_res_conv);
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_ok(uint32_t o) {
-       LDKC2Tuple_SignatureCVec_SignatureZZ o_conv = *(LDKC2Tuple_SignatureCVec_SignatureZZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_SignatureCVec_SignatureZZ o_conv = *(LDKC2Tuple_SignatureCVec_SignatureZZ*)(o_ptr);
        o_conv = C2Tuple_SignatureCVec_SignatureZZ_clone((LDKC2Tuple_SignatureCVec_SignatureZZ*)(((uint64_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);
@@ -8783,7 +8941,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_SignatureCVe
 
 void  __attribute__((visibility("default"))) TS_CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ _res_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ _res_conv = *(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_free(_res_conv);
 }
@@ -8812,7 +8972,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_SignatureNoneZ_err()
 
 void  __attribute__((visibility("default"))) TS_CResult_SignatureNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SignatureNoneZ _res_conv = *(LDKCResult_SignatureNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SignatureNoneZ _res_conv = *(LDKCResult_SignatureNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SignatureNoneZ_free(_res_conv);
 }
@@ -8825,7 +8987,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_SignatureNoneZ_clone
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_SignDecodeErrorZ_ok(uint32_t o) {
-       LDKSign o_conv = *(LDKSign*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKSign o_conv = *(LDKSign*)(o_ptr);
        LDKCResult_SignDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SignDecodeErrorZ), "LDKCResult_SignDecodeErrorZ");
        *ret_conv = CResult_SignDecodeErrorZ_ok(o_conv);
        return (uint64_t)ret_conv;
@@ -8843,7 +9007,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_SignDecodeErrorZ_err
 
 void  __attribute__((visibility("default"))) TS_CResult_SignDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SignDecodeErrorZ _res_conv = *(LDKCResult_SignDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SignDecodeErrorZ _res_conv = *(LDKCResult_SignDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SignDecodeErrorZ_free(_res_conv);
 }
@@ -8880,7 +9046,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_RecoverableSignature
 
 void  __attribute__((visibility("default"))) TS_CResult_RecoverableSignatureNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RecoverableSignatureNoneZ _res_conv = *(LDKCResult_RecoverableSignatureNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RecoverableSignatureNoneZ _res_conv = *(LDKCResult_RecoverableSignatureNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RecoverableSignatureNoneZ_free(_res_conv);
 }
@@ -8940,7 +9108,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CVec_CVec_u8ZZNoneZ_
 
 void  __attribute__((visibility("default"))) TS_CResult_CVec_CVec_u8ZZNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CVec_CVec_u8ZZNoneZ _res_conv = *(LDKCResult_CVec_CVec_u8ZZNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CVec_CVec_u8ZZNoneZ _res_conv = *(LDKCResult_CVec_CVec_u8ZZNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CVec_CVec_u8ZZNoneZ_free(_res_conv);
 }
@@ -8974,7 +9144,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_InMemorySignerDecode
 
 void  __attribute__((visibility("default"))) TS_CResult_InMemorySignerDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InMemorySignerDecodeErrorZ _res_conv = *(LDKCResult_InMemorySignerDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InMemorySignerDecodeErrorZ _res_conv = *(LDKCResult_InMemorySignerDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InMemorySignerDecodeErrorZ_free(_res_conv);
 }
@@ -8996,7 +9168,9 @@ void  __attribute__((visibility("default"))) TS_CVec_TxOutZ_free(uint32_tArray _
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t h = 0; h < _res_constr.datalen; h++) {
                uint32_t _res_conv_7 = _res_vals[h];
-               LDKTxOut _res_conv_7_conv = *(LDKTxOut*)(((uint64_t)_res_conv_7) & ~1);
+               void* _res_conv_7_ptr = (void*)(((uint64_t)_res_conv_7) & ~1);
+               CHECK_ACCESS(_res_conv_7_ptr);
+               LDKTxOut _res_conv_7_conv = *(LDKTxOut*)(_res_conv_7_ptr);
                FREE((void*)_res_conv_7);
                _res_constr.data[h] = _res_conv_7_conv;
        }
@@ -9022,7 +9196,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_TransactionNoneZ_err
 
 void  __attribute__((visibility("default"))) TS_CResult_TransactionNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_TransactionNoneZ _res_conv = *(LDKCResult_TransactionNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_TransactionNoneZ _res_conv = *(LDKCResult_TransactionNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_TransactionNoneZ_free(_res_conv);
 }
@@ -9056,7 +9232,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_BlockHashChannelMoni
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_BlockHashChannelMonitorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_BlockHashChannelMonitorZ _res_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_BlockHashChannelMonitorZ _res_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_BlockHashChannelMonitorZ_free(_res_conv);
 }
@@ -9071,7 +9249,9 @@ void  __attribute__((visibility("default"))) TS_CVec_C2Tuple_BlockHashChannelMon
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t j = 0; j < _res_constr.datalen; j++) {
                uint32_t _res_conv_35 = _res_vals[j];
-               LDKC2Tuple_BlockHashChannelMonitorZ _res_conv_35_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)_res_conv_35) & ~1);
+               void* _res_conv_35_ptr = (void*)(((uint64_t)_res_conv_35) & ~1);
+               CHECK_ACCESS(_res_conv_35_ptr);
+               LDKC2Tuple_BlockHashChannelMonitorZ _res_conv_35_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(_res_conv_35_ptr);
                FREE((void*)_res_conv_35);
                _res_constr.data[j] = _res_conv_35_conv;
        }
@@ -9088,7 +9268,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CVec_C2Tuple_BlockHa
        uint32_t* o_vals = (uint32_t*)(o + 4);
        for (size_t j = 0; j < o_constr.datalen; j++) {
                uint32_t o_conv_35 = o_vals[j];
-               LDKC2Tuple_BlockHashChannelMonitorZ o_conv_35_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)o_conv_35) & ~1);
+               void* o_conv_35_ptr = (void*)(((uint64_t)o_conv_35) & ~1);
+               CHECK_ACCESS(o_conv_35_ptr);
+               LDKC2Tuple_BlockHashChannelMonitorZ o_conv_35_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(o_conv_35_ptr);
                o_conv_35_conv = C2Tuple_BlockHashChannelMonitorZ_clone((LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)o_conv_35) & ~1));
                o_constr.data[j] = o_conv_35_conv;
        }
@@ -9106,7 +9288,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CVec_C2Tuple_BlockHa
 
 void  __attribute__((visibility("default"))) TS_CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ _res_conv = *(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ _res_conv = *(LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_free(_res_conv);
 }
@@ -9140,7 +9324,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PaymentIdDecodeError
 
 void  __attribute__((visibility("default"))) TS_CResult_PaymentIdDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PaymentIdDecodeErrorZ _res_conv = *(LDKCResult_PaymentIdDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PaymentIdDecodeErrorZ _res_conv = *(LDKCResult_PaymentIdDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PaymentIdDecodeErrorZ_free(_res_conv);
 }
@@ -9168,7 +9354,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_u16Z_none() {
 
 void  __attribute__((visibility("default"))) TS_COption_u16Z_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_u16Z _res_conv = *(LDKCOption_u16Z*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_u16Z _res_conv = *(LDKCOption_u16Z*)(_res_ptr);
        FREE((void*)_res);
        COption_u16Z_free(_res_conv);
 }
@@ -9188,7 +9376,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneAPIErrorZ_ok() {
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneAPIErrorZ_err(uint32_t e) {
-       LDKAPIError e_conv = *(LDKAPIError*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKAPIError e_conv = *(LDKAPIError*)(e_ptr);
        e_conv = APIError_clone((LDKAPIError*)(((uint64_t)e) & ~1));
        LDKCResult_NoneAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneAPIErrorZ), "LDKCResult_NoneAPIErrorZ");
        *ret_conv = CResult_NoneAPIErrorZ_err(e_conv);
@@ -9197,7 +9387,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneAPIErrorZ_err(ui
 
 void  __attribute__((visibility("default"))) TS_CResult_NoneAPIErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneAPIErrorZ _res_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneAPIErrorZ _res_conv = *(LDKCResult_NoneAPIErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneAPIErrorZ_free(_res_conv);
 }
@@ -9219,7 +9411,9 @@ void  __attribute__((visibility("default"))) TS_CVec_CResult_NoneAPIErrorZZ_free
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t w = 0; w < _res_constr.datalen; w++) {
                uint32_t _res_conv_22 = _res_vals[w];
-               LDKCResult_NoneAPIErrorZ _res_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)_res_conv_22) & ~1);
+               void* _res_conv_22_ptr = (void*)(((uint64_t)_res_conv_22) & ~1);
+               CHECK_ACCESS(_res_conv_22_ptr);
+               LDKCResult_NoneAPIErrorZ _res_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(_res_conv_22_ptr);
                FREE((void*)_res_conv_22);
                _res_constr.data[w] = _res_conv_22_conv;
        }
@@ -9236,7 +9430,9 @@ void  __attribute__((visibility("default"))) TS_CVec_APIErrorZ_free(uint32_tArra
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t k = 0; k < _res_constr.datalen; k++) {
                uint32_t _res_conv_10 = _res_vals[k];
-               LDKAPIError _res_conv_10_conv = *(LDKAPIError*)(((uint64_t)_res_conv_10) & ~1);
+               void* _res_conv_10_ptr = (void*)(((uint64_t)_res_conv_10) & ~1);
+               CHECK_ACCESS(_res_conv_10_ptr);
+               LDKAPIError _res_conv_10_conv = *(LDKAPIError*)(_res_conv_10_ptr);
                FREE((void*)_res_conv_10);
                _res_constr.data[k] = _res_conv_10_conv;
        }
@@ -9253,7 +9449,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult__u832APIErrorZ_ok(in
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult__u832APIErrorZ_err(uint32_t e) {
-       LDKAPIError e_conv = *(LDKAPIError*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKAPIError e_conv = *(LDKAPIError*)(e_ptr);
        e_conv = APIError_clone((LDKAPIError*)(((uint64_t)e) & ~1));
        LDKCResult__u832APIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult__u832APIErrorZ), "LDKCResult__u832APIErrorZ");
        *ret_conv = CResult__u832APIErrorZ_err(e_conv);
@@ -9262,7 +9460,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult__u832APIErrorZ_err(u
 
 void  __attribute__((visibility("default"))) TS_CResult__u832APIErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult__u832APIErrorZ _res_conv = *(LDKCResult__u832APIErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult__u832APIErrorZ _res_conv = *(LDKCResult__u832APIErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult__u832APIErrorZ_free(_res_conv);
 }
@@ -9285,7 +9485,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PaymentIdPaymentSend
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_PaymentIdPaymentSendFailureZ_err(uint32_t e) {
-       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(e_ptr);
        e_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uint64_t)e) & ~1));
        LDKCResult_PaymentIdPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentIdPaymentSendFailureZ), "LDKCResult_PaymentIdPaymentSendFailureZ");
        *ret_conv = CResult_PaymentIdPaymentSendFailureZ_err(e_conv);
@@ -9294,7 +9496,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PaymentIdPaymentSend
 
 void  __attribute__((visibility("default"))) TS_CResult_PaymentIdPaymentSendFailureZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PaymentIdPaymentSendFailureZ _res_conv = *(LDKCResult_PaymentIdPaymentSendFailureZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PaymentIdPaymentSendFailureZ _res_conv = *(LDKCResult_PaymentIdPaymentSendFailureZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PaymentIdPaymentSendFailureZ_free(_res_conv);
 }
@@ -9313,7 +9517,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NonePaymentSendFailu
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_NonePaymentSendFailureZ_err(uint32_t e) {
-       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(e_ptr);
        e_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uint64_t)e) & ~1));
        LDKCResult_NonePaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePaymentSendFailureZ), "LDKCResult_NonePaymentSendFailureZ");
        *ret_conv = CResult_NonePaymentSendFailureZ_err(e_conv);
@@ -9322,7 +9528,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NonePaymentSendFailu
 
 void  __attribute__((visibility("default"))) TS_CResult_NonePaymentSendFailureZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NonePaymentSendFailureZ _res_conv = *(LDKCResult_NonePaymentSendFailureZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NonePaymentSendFailureZ _res_conv = *(LDKCResult_NonePaymentSendFailureZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NonePaymentSendFailureZ_free(_res_conv);
 }
@@ -9356,13 +9564,17 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_PaymentHashPaymentId
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_PaymentHashPaymentIdZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_PaymentHashPaymentIdZ _res_conv = *(LDKC2Tuple_PaymentHashPaymentIdZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_PaymentHashPaymentIdZ _res_conv = *(LDKC2Tuple_PaymentHashPaymentIdZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_PaymentHashPaymentIdZ_free(_res_conv);
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_ok(uint32_t o) {
-       LDKC2Tuple_PaymentHashPaymentIdZ o_conv = *(LDKC2Tuple_PaymentHashPaymentIdZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_PaymentHashPaymentIdZ o_conv = *(LDKC2Tuple_PaymentHashPaymentIdZ*)(o_ptr);
        o_conv = C2Tuple_PaymentHashPaymentIdZ_clone((LDKC2Tuple_PaymentHashPaymentIdZ*)(((uint64_t)o) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ), "LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_ok(o_conv);
@@ -9370,7 +9582,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_PaymentHashP
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_err(uint32_t e) {
-       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKPaymentSendFailure e_conv = *(LDKPaymentSendFailure*)(e_ptr);
        e_conv = PaymentSendFailure_clone((LDKPaymentSendFailure*)(((uint64_t)e) & ~1));
        LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ), "LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ");
        *ret_conv = CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_err(e_conv);
@@ -9379,7 +9593,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_PaymentHashP
 
 void  __attribute__((visibility("default"))) TS_CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ _res_conv = *(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ _res_conv = *(LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_free(_res_conv);
 }
@@ -9401,7 +9617,9 @@ void  __attribute__((visibility("default"))) TS_CVec_NetAddressZ_free(uint32_tAr
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t m = 0; m < _res_constr.datalen; m++) {
                uint32_t _res_conv_12 = _res_vals[m];
-               LDKNetAddress _res_conv_12_conv = *(LDKNetAddress*)(((uint64_t)_res_conv_12) & ~1);
+               void* _res_conv_12_ptr = (void*)(((uint64_t)_res_conv_12) & ~1);
+               CHECK_ACCESS(_res_conv_12_ptr);
+               LDKNetAddress _res_conv_12_conv = *(LDKNetAddress*)(_res_conv_12_ptr);
                FREE((void*)_res_conv_12);
                _res_constr.data[m] = _res_conv_12_conv;
        }
@@ -9429,7 +9647,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_PaymentHashPaymentSe
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_PaymentHashPaymentSecretZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_PaymentHashPaymentSecretZ _res_conv = *(LDKC2Tuple_PaymentHashPaymentSecretZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_PaymentHashPaymentSecretZ _res_conv = *(LDKC2Tuple_PaymentHashPaymentSecretZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_PaymentHashPaymentSecretZ_free(_res_conv);
 }
@@ -9444,7 +9664,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PaymentSecretAPIErro
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_PaymentSecretAPIErrorZ_err(uint32_t e) {
-       LDKAPIError e_conv = *(LDKAPIError*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKAPIError e_conv = *(LDKAPIError*)(e_ptr);
        e_conv = APIError_clone((LDKAPIError*)(((uint64_t)e) & ~1));
        LDKCResult_PaymentSecretAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretAPIErrorZ), "LDKCResult_PaymentSecretAPIErrorZ");
        *ret_conv = CResult_PaymentSecretAPIErrorZ_err(e_conv);
@@ -9453,7 +9675,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PaymentSecretAPIErro
 
 void  __attribute__((visibility("default"))) TS_CResult_PaymentSecretAPIErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PaymentSecretAPIErrorZ _res_conv = *(LDKCResult_PaymentSecretAPIErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PaymentSecretAPIErrorZ _res_conv = *(LDKCResult_PaymentSecretAPIErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PaymentSecretAPIErrorZ_free(_res_conv);
 }
@@ -9498,13 +9722,17 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_BlockHashChannelMana
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_BlockHashChannelManagerZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_BlockHashChannelManagerZ _res_conv = *(LDKC2Tuple_BlockHashChannelManagerZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_BlockHashChannelManagerZ _res_conv = *(LDKC2Tuple_BlockHashChannelManagerZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_BlockHashChannelManagerZ_free(_res_conv);
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_ok(uint32_t o) {
-       LDKC2Tuple_BlockHashChannelManagerZ o_conv = *(LDKC2Tuple_BlockHashChannelManagerZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_BlockHashChannelManagerZ o_conv = *(LDKC2Tuple_BlockHashChannelManagerZ*)(o_ptr);
        // 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);
@@ -9523,7 +9751,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_BlockHashCha
 
 void  __attribute__((visibility("default"))) TS_CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ _res_conv = *(LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ _res_conv = *(LDKCResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_free(_res_conv);
 }
@@ -9550,7 +9780,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ChannelConfigDecodeE
 
 void  __attribute__((visibility("default"))) TS_CResult_ChannelConfigDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelConfigDecodeErrorZ _res_conv = *(LDKCResult_ChannelConfigDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelConfigDecodeErrorZ _res_conv = *(LDKCResult_ChannelConfigDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelConfigDecodeErrorZ_free(_res_conv);
 }
@@ -9584,7 +9816,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_OutPointDecodeErrorZ
 
 void  __attribute__((visibility("default"))) TS_CResult_OutPointDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_OutPointDecodeErrorZ _res_conv = *(LDKCResult_OutPointDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_OutPointDecodeErrorZ _res_conv = *(LDKCResult_OutPointDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_OutPointDecodeErrorZ_free(_res_conv);
 }
@@ -9597,7 +9831,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_OutPointDecodeErrorZ
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_COption_TypeZ_some(uint32_t o) {
-       LDKType o_conv = *(LDKType*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKType o_conv = *(LDKType*)(o_ptr);
        LDKCOption_TypeZ *ret_copy = MALLOC(sizeof(LDKCOption_TypeZ), "LDKCOption_TypeZ");
        *ret_copy = COption_TypeZ_some(o_conv);
        uint64_t ret_ref = (uint64_t)ret_copy;
@@ -9613,7 +9849,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_TypeZ_none() {
 
 void  __attribute__((visibility("default"))) TS_COption_TypeZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_TypeZ _res_conv = *(LDKCOption_TypeZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_TypeZ _res_conv = *(LDKCOption_TypeZ*)(_res_ptr);
        FREE((void*)_res);
        COption_TypeZ_free(_res_conv);
 }
@@ -9627,7 +9865,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_TypeZ_clone(uint32_t
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_COption_TypeZDecodeErrorZ_ok(uint32_t o) {
-       LDKCOption_TypeZ o_conv = *(LDKCOption_TypeZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKCOption_TypeZ o_conv = *(LDKCOption_TypeZ*)(o_ptr);
        o_conv = COption_TypeZ_clone((LDKCOption_TypeZ*)(((uint64_t)o) & ~1));
        LDKCResult_COption_TypeZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_COption_TypeZDecodeErrorZ), "LDKCResult_COption_TypeZDecodeErrorZ");
        *ret_conv = CResult_COption_TypeZDecodeErrorZ_ok(o_conv);
@@ -9646,7 +9886,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_COption_TypeZDecodeE
 
 void  __attribute__((visibility("default"))) TS_CResult_COption_TypeZDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_COption_TypeZDecodeErrorZ _res_conv = *(LDKCResult_COption_TypeZDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_COption_TypeZDecodeErrorZ _res_conv = *(LDKCResult_COption_TypeZDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_COption_TypeZDecodeErrorZ_free(_res_conv);
 }
@@ -9673,7 +9915,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_SiPrefixNoneZ_err()
 
 void  __attribute__((visibility("default"))) TS_CResult_SiPrefixNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SiPrefixNoneZ _res_conv = *(LDKCResult_SiPrefixNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SiPrefixNoneZ _res_conv = *(LDKCResult_SiPrefixNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SiPrefixNoneZ_free(_res_conv);
 }
@@ -9703,7 +9947,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_InvoiceNoneZ_err() {
 
 void  __attribute__((visibility("default"))) TS_CResult_InvoiceNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InvoiceNoneZ _res_conv = *(LDKCResult_InvoiceNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InvoiceNoneZ _res_conv = *(LDKCResult_InvoiceNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InvoiceNoneZ_free(_res_conv);
 }
@@ -9733,7 +9979,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_SignedRawInvoiceNone
 
 void  __attribute__((visibility("default"))) TS_CResult_SignedRawInvoiceNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_SignedRawInvoiceNoneZ _res_conv = *(LDKCResult_SignedRawInvoiceNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_SignedRawInvoiceNoneZ _res_conv = *(LDKCResult_SignedRawInvoiceNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_SignedRawInvoiceNoneZ_free(_res_conv);
 }
@@ -9771,7 +10019,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C3Tuple_RawInvoice_u832Invoi
 
 void  __attribute__((visibility("default"))) TS_C3Tuple_RawInvoice_u832InvoiceSignatureZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ _res_conv = *(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ _res_conv = *(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ*)(_res_ptr);
        FREE((void*)_res);
        C3Tuple_RawInvoice_u832InvoiceSignatureZ_free(_res_conv);
 }
@@ -9795,7 +10045,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PayeePubKeyErrorZ_er
 
 void  __attribute__((visibility("default"))) TS_CResult_PayeePubKeyErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PayeePubKeyErrorZ _res_conv = *(LDKCResult_PayeePubKeyErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PayeePubKeyErrorZ _res_conv = *(LDKCResult_PayeePubKeyErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PayeePubKeyErrorZ_free(_res_conv);
 }
@@ -9844,7 +10096,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PositiveTimestampCre
 
 void  __attribute__((visibility("default"))) TS_CResult_PositiveTimestampCreationErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PositiveTimestampCreationErrorZ _res_conv = *(LDKCResult_PositiveTimestampCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PositiveTimestampCreationErrorZ _res_conv = *(LDKCResult_PositiveTimestampCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PositiveTimestampCreationErrorZ_free(_res_conv);
 }
@@ -9871,7 +10125,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneSemanticErrorZ_e
 
 void  __attribute__((visibility("default"))) TS_CResult_NoneSemanticErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneSemanticErrorZ _res_conv = *(LDKCResult_NoneSemanticErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneSemanticErrorZ _res_conv = *(LDKCResult_NoneSemanticErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneSemanticErrorZ_free(_res_conv);
 }
@@ -9902,7 +10158,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_InvoiceSemanticError
 
 void  __attribute__((visibility("default"))) TS_CResult_InvoiceSemanticErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InvoiceSemanticErrorZ _res_conv = *(LDKCResult_InvoiceSemanticErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InvoiceSemanticErrorZ _res_conv = *(LDKCResult_InvoiceSemanticErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InvoiceSemanticErrorZ_free(_res_conv);
 }
@@ -9933,7 +10191,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_DescriptionCreationE
 
 void  __attribute__((visibility("default"))) TS_CResult_DescriptionCreationErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_DescriptionCreationErrorZ _res_conv = *(LDKCResult_DescriptionCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_DescriptionCreationErrorZ _res_conv = *(LDKCResult_DescriptionCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_DescriptionCreationErrorZ_free(_res_conv);
 }
@@ -9964,7 +10224,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ExpiryTimeCreationEr
 
 void  __attribute__((visibility("default"))) TS_CResult_ExpiryTimeCreationErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ExpiryTimeCreationErrorZ _res_conv = *(LDKCResult_ExpiryTimeCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ExpiryTimeCreationErrorZ _res_conv = *(LDKCResult_ExpiryTimeCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ExpiryTimeCreationErrorZ_free(_res_conv);
 }
@@ -9995,7 +10257,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PrivateRouteCreation
 
 void  __attribute__((visibility("default"))) TS_CResult_PrivateRouteCreationErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PrivateRouteCreationErrorZ _res_conv = *(LDKCResult_PrivateRouteCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PrivateRouteCreationErrorZ _res_conv = *(LDKCResult_PrivateRouteCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PrivateRouteCreationErrorZ_free(_res_conv);
 }
@@ -10023,7 +10287,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_StringErrorZ_err(uin
 
 void  __attribute__((visibility("default"))) TS_CResult_StringErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_StringErrorZ _res_conv = *(LDKCResult_StringErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_StringErrorZ _res_conv = *(LDKCResult_StringErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_StringErrorZ_free(_res_conv);
 }
@@ -10050,7 +10316,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ChannelMonitorUpdate
 
 void  __attribute__((visibility("default"))) TS_CResult_ChannelMonitorUpdateDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelMonitorUpdateDecodeErrorZ _res_conv = *(LDKCResult_ChannelMonitorUpdateDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelMonitorUpdateDecodeErrorZ _res_conv = *(LDKCResult_ChannelMonitorUpdateDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelMonitorUpdateDecodeErrorZ_free(_res_conv);
 }
@@ -10084,7 +10352,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_HTLCUpdateDecodeErro
 
 void  __attribute__((visibility("default"))) TS_CResult_HTLCUpdateDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_HTLCUpdateDecodeErrorZ _res_conv = *(LDKCResult_HTLCUpdateDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_HTLCUpdateDecodeErrorZ _res_conv = *(LDKCResult_HTLCUpdateDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_HTLCUpdateDecodeErrorZ_free(_res_conv);
 }
@@ -10114,7 +10384,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneMonitorUpdateErr
 
 void  __attribute__((visibility("default"))) TS_CResult_NoneMonitorUpdateErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneMonitorUpdateErrorZ _res_conv = *(LDKCResult_NoneMonitorUpdateErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneMonitorUpdateErrorZ _res_conv = *(LDKCResult_NoneMonitorUpdateErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneMonitorUpdateErrorZ_free(_res_conv);
 }
@@ -10149,7 +10421,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_OutPointScriptZ_new(
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_OutPointScriptZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_OutPointScriptZ _res_conv = *(LDKC2Tuple_OutPointScriptZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_OutPointScriptZ _res_conv = *(LDKC2Tuple_OutPointScriptZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_OutPointScriptZ_free(_res_conv);
 }
@@ -10173,7 +10447,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_u32ScriptZ_new(int32
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_u32ScriptZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_u32ScriptZ _res_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_u32ScriptZ _res_conv = *(LDKC2Tuple_u32ScriptZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_u32ScriptZ_free(_res_conv);
 }
@@ -10188,7 +10464,9 @@ void  __attribute__((visibility("default"))) TS_CVec_C2Tuple_u32ScriptZZ_free(ui
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t v = 0; v < _res_constr.datalen; v++) {
                uint32_t _res_conv_21 = _res_vals[v];
-               LDKC2Tuple_u32ScriptZ _res_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)_res_conv_21) & ~1);
+               void* _res_conv_21_ptr = (void*)(((uint64_t)_res_conv_21) & ~1);
+               CHECK_ACCESS(_res_conv_21_ptr);
+               LDKC2Tuple_u32ScriptZ _res_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(_res_conv_21_ptr);
                FREE((void*)_res_conv_21);
                _res_constr.data[v] = _res_conv_21_conv;
        }
@@ -10215,7 +10493,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_TxidCVec_C2Tuple_u32
        uint32_t* b_vals = (uint32_t*)(b + 4);
        for (size_t v = 0; v < b_constr.datalen; v++) {
                uint32_t b_conv_21 = b_vals[v];
-               LDKC2Tuple_u32ScriptZ b_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(((uint64_t)b_conv_21) & ~1);
+               void* b_conv_21_ptr = (void*)(((uint64_t)b_conv_21) & ~1);
+               CHECK_ACCESS(b_conv_21_ptr);
+               LDKC2Tuple_u32ScriptZ b_conv_21_conv = *(LDKC2Tuple_u32ScriptZ*)(b_conv_21_ptr);
                b_conv_21_conv = C2Tuple_u32ScriptZ_clone((LDKC2Tuple_u32ScriptZ*)(((uint64_t)b_conv_21) & ~1));
                b_constr.data[v] = b_conv_21_conv;
        }
@@ -10226,7 +10506,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_TxidCVec_C2Tuple_u32
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ _res_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ _res_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_free(_res_conv);
 }
@@ -10241,7 +10523,9 @@ void  __attribute__((visibility("default"))) TS_CVec_C2Tuple_TxidCVec_C2Tuple_u3
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t o = 0; o < _res_constr.datalen; o++) {
                uint32_t _res_conv_40 = _res_vals[o];
-               LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ _res_conv_40_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(((uint64_t)_res_conv_40) & ~1);
+               void* _res_conv_40_ptr = (void*)(((uint64_t)_res_conv_40) & ~1);
+               CHECK_ACCESS(_res_conv_40_ptr);
+               LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ _res_conv_40_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ*)(_res_conv_40_ptr);
                FREE((void*)_res_conv_40);
                _res_constr.data[o] = _res_conv_40_conv;
        }
@@ -10258,7 +10542,9 @@ void  __attribute__((visibility("default"))) TS_CVec_EventZ_free(uint32_tArray _
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t h = 0; h < _res_constr.datalen; h++) {
                uint32_t _res_conv_7 = _res_vals[h];
-               LDKEvent _res_conv_7_conv = *(LDKEvent*)(((uint64_t)_res_conv_7) & ~1);
+               void* _res_conv_7_ptr = (void*)(((uint64_t)_res_conv_7) & ~1);
+               CHECK_ACCESS(_res_conv_7_ptr);
+               LDKEvent _res_conv_7_conv = *(LDKEvent*)(_res_conv_7_ptr);
                FREE((void*)_res_conv_7);
                _res_constr.data[h] = _res_conv_7_conv;
        }
@@ -10293,7 +10579,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_u32TxOutZ_clone(uint
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_u32TxOutZ_new(int32_t a, uint32_t b) {
-       LDKTxOut b_conv = *(LDKTxOut*)(((uint64_t)b) & ~1);
+       void* b_ptr = (void*)(((uint64_t)b) & ~1);
+       CHECK_ACCESS(b_ptr);
+       LDKTxOut b_conv = *(LDKTxOut*)(b_ptr);
        b_conv = TxOut_clone((LDKTxOut*)(((uint64_t)b) & ~1));
        LDKC2Tuple_u32TxOutZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_u32TxOutZ), "LDKC2Tuple_u32TxOutZ");
        *ret_conv = C2Tuple_u32TxOutZ_new(a, b_conv);
@@ -10302,7 +10590,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_u32TxOutZ_new(int32_
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_u32TxOutZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_u32TxOutZ _res_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_u32TxOutZ _res_conv = *(LDKC2Tuple_u32TxOutZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_u32TxOutZ_free(_res_conv);
 }
@@ -10317,7 +10607,9 @@ void  __attribute__((visibility("default"))) TS_CVec_C2Tuple_u32TxOutZZ_free(uin
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t u = 0; u < _res_constr.datalen; u++) {
                uint32_t _res_conv_20 = _res_vals[u];
-               LDKC2Tuple_u32TxOutZ _res_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)_res_conv_20) & ~1);
+               void* _res_conv_20_ptr = (void*)(((uint64_t)_res_conv_20) & ~1);
+               CHECK_ACCESS(_res_conv_20_ptr);
+               LDKC2Tuple_u32TxOutZ _res_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(_res_conv_20_ptr);
                FREE((void*)_res_conv_20);
                _res_constr.data[u] = _res_conv_20_conv;
        }
@@ -10344,7 +10636,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_TxidCVec_C2Tuple_u32
        uint32_t* b_vals = (uint32_t*)(b + 4);
        for (size_t u = 0; u < b_constr.datalen; u++) {
                uint32_t b_conv_20 = b_vals[u];
-               LDKC2Tuple_u32TxOutZ b_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(((uint64_t)b_conv_20) & ~1);
+               void* b_conv_20_ptr = (void*)(((uint64_t)b_conv_20) & ~1);
+               CHECK_ACCESS(b_conv_20_ptr);
+               LDKC2Tuple_u32TxOutZ b_conv_20_conv = *(LDKC2Tuple_u32TxOutZ*)(b_conv_20_ptr);
                b_conv_20_conv = C2Tuple_u32TxOutZ_clone((LDKC2Tuple_u32TxOutZ*)(((uint64_t)b_conv_20) & ~1));
                b_constr.data[u] = b_conv_20_conv;
        }
@@ -10355,7 +10649,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_TxidCVec_C2Tuple_u32
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ _res_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ _res_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_free(_res_conv);
 }
@@ -10370,7 +10666,9 @@ void  __attribute__((visibility("default"))) TS_CVec_C2Tuple_TxidCVec_C2Tuple_u3
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t n = 0; n < _res_constr.datalen; n++) {
                uint32_t _res_conv_39 = _res_vals[n];
-               LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ _res_conv_39_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(((uint64_t)_res_conv_39) & ~1);
+               void* _res_conv_39_ptr = (void*)(((uint64_t)_res_conv_39) & ~1);
+               CHECK_ACCESS(_res_conv_39_ptr);
+               LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ _res_conv_39_conv = *(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ*)(_res_conv_39_ptr);
                FREE((void*)_res_conv_39);
                _res_constr.data[n] = _res_conv_39_conv;
        }
@@ -10387,7 +10685,9 @@ void  __attribute__((visibility("default"))) TS_CVec_BalanceZ_free(uint32_tArray
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t j = 0; j < _res_constr.datalen; j++) {
                uint32_t _res_conv_9 = _res_vals[j];
-               LDKBalance _res_conv_9_conv = *(LDKBalance*)(((uint64_t)_res_conv_9) & ~1);
+               void* _res_conv_9_ptr = (void*)(((uint64_t)_res_conv_9) & ~1);
+               CHECK_ACCESS(_res_conv_9_ptr);
+               LDKBalance _res_conv_9_conv = *(LDKBalance*)(_res_conv_9_ptr);
                FREE((void*)_res_conv_9);
                _res_constr.data[j] = _res_conv_9_conv;
        }
@@ -10395,7 +10695,9 @@ void  __attribute__((visibility("default"))) TS_CVec_BalanceZ_free(uint32_tArray
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_ok(uint32_t o) {
-       LDKC2Tuple_BlockHashChannelMonitorZ o_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKC2Tuple_BlockHashChannelMonitorZ o_conv = *(LDKC2Tuple_BlockHashChannelMonitorZ*)(o_ptr);
        o_conv = C2Tuple_BlockHashChannelMonitorZ_clone((LDKC2Tuple_BlockHashChannelMonitorZ*)(((uint64_t)o) & ~1));
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ");
        *ret_conv = CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_ok(o_conv);
@@ -10414,7 +10716,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_C2Tuple_BlockHashCha
 
 void  __attribute__((visibility("default"))) TS_CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ _res_conv = *(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ _res_conv = *(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_free(_res_conv);
 }
@@ -10444,7 +10748,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NoneLightningErrorZ_
 
 void  __attribute__((visibility("default"))) TS_CResult_NoneLightningErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NoneLightningErrorZ _res_conv = *(LDKCResult_NoneLightningErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NoneLightningErrorZ _res_conv = *(LDKCResult_NoneLightningErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NoneLightningErrorZ_free(_res_conv);
 }
@@ -10467,7 +10773,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_PublicKeyTypeZ_new(i
        LDKPublicKey a_ref;
        CHECK(*((uint32_t*)a) == 33);
        memcpy(a_ref.compressed_form, (uint8_t*)(a + 4), 33);
-       LDKType b_conv = *(LDKType*)(((uint64_t)b) & ~1);
+       void* b_ptr = (void*)(((uint64_t)b) & ~1);
+       CHECK_ACCESS(b_ptr);
+       LDKType b_conv = *(LDKType*)(b_ptr);
        LDKC2Tuple_PublicKeyTypeZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PublicKeyTypeZ), "LDKC2Tuple_PublicKeyTypeZ");
        *ret_conv = C2Tuple_PublicKeyTypeZ_new(a_ref, b_conv);
        return ((uint64_t)ret_conv);
@@ -10475,7 +10783,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_PublicKeyTypeZ_new(i
 
 void  __attribute__((visibility("default"))) TS_C2Tuple_PublicKeyTypeZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC2Tuple_PublicKeyTypeZ _res_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC2Tuple_PublicKeyTypeZ _res_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(_res_ptr);
        FREE((void*)_res);
        C2Tuple_PublicKeyTypeZ_free(_res_conv);
 }
@@ -10490,7 +10800,9 @@ void  __attribute__((visibility("default"))) TS_CVec_C2Tuple_PublicKeyTypeZZ_fre
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t z = 0; z < _res_constr.datalen; z++) {
                uint32_t _res_conv_25 = _res_vals[z];
-               LDKC2Tuple_PublicKeyTypeZ _res_conv_25_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(((uint64_t)_res_conv_25) & ~1);
+               void* _res_conv_25_ptr = (void*)(((uint64_t)_res_conv_25) & ~1);
+               CHECK_ACCESS(_res_conv_25_ptr);
+               LDKC2Tuple_PublicKeyTypeZ _res_conv_25_conv = *(LDKC2Tuple_PublicKeyTypeZ*)(_res_conv_25_ptr);
                FREE((void*)_res_conv_25);
                _res_constr.data[z] = _res_conv_25_conv;
        }
@@ -10515,7 +10827,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_boolLightningErrorZ_
 
 void  __attribute__((visibility("default"))) TS_CResult_boolLightningErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_boolLightningErrorZ _res_conv = *(LDKCResult_boolLightningErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_boolLightningErrorZ _res_conv = *(LDKCResult_boolLightningErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_boolLightningErrorZ_free(_res_conv);
 }
@@ -10554,7 +10868,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C3Tuple_ChannelAnnouncementC
 
 void  __attribute__((visibility("default"))) TS_C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ _res_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ _res_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(_res_ptr);
        FREE((void*)_res);
        C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_free(_res_conv);
 }
@@ -10569,7 +10885,9 @@ void  __attribute__((visibility("default"))) TS_CVec_C3Tuple_ChannelAnnouncement
        uint32_t* _res_vals = (uint32_t*)(_res + 4);
        for (size_t h = 0; h < _res_constr.datalen; h++) {
                uint32_t _res_conv_59 = _res_vals[h];
-               LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ _res_conv_59_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(((uint64_t)_res_conv_59) & ~1);
+               void* _res_conv_59_ptr = (void*)(((uint64_t)_res_conv_59) & ~1);
+               CHECK_ACCESS(_res_conv_59_ptr);
+               LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ _res_conv_59_conv = *(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ*)(_res_conv_59_ptr);
                FREE((void*)_res_conv_59);
                _res_constr.data[h] = _res_conv_59_conv;
        }
@@ -10634,7 +10952,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CVec_u8ZPeerHandleEr
 
 void  __attribute__((visibility("default"))) TS_CResult_CVec_u8ZPeerHandleErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CVec_u8ZPeerHandleErrorZ _res_conv = *(LDKCResult_CVec_u8ZPeerHandleErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CVec_u8ZPeerHandleErrorZ _res_conv = *(LDKCResult_CVec_u8ZPeerHandleErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CVec_u8ZPeerHandleErrorZ_free(_res_conv);
 }
@@ -10664,7 +10984,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NonePeerHandleErrorZ
 
 void  __attribute__((visibility("default"))) TS_CResult_NonePeerHandleErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NonePeerHandleErrorZ _res_conv = *(LDKCResult_NonePeerHandleErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NonePeerHandleErrorZ _res_conv = *(LDKCResult_NonePeerHandleErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NonePeerHandleErrorZ_free(_res_conv);
 }
@@ -10694,7 +11016,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_boolPeerHandleErrorZ
 
 void  __attribute__((visibility("default"))) TS_CResult_boolPeerHandleErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_boolPeerHandleErrorZ _res_conv = *(LDKCResult_boolPeerHandleErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_boolPeerHandleErrorZ _res_conv = *(LDKCResult_boolPeerHandleErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_boolPeerHandleErrorZ_free(_res_conv);
 }
@@ -10728,7 +11052,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NodeIdDecodeErrorZ_e
 
 void  __attribute__((visibility("default"))) TS_CResult_NodeIdDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeIdDecodeErrorZ _res_conv = *(LDKCResult_NodeIdDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeIdDecodeErrorZ _res_conv = *(LDKCResult_NodeIdDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeIdDecodeErrorZ_free(_res_conv);
 }
@@ -10741,7 +11067,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NodeIdDecodeErrorZ_c
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_COption_AccessZ_some(uint32_t o) {
-       LDKAccess o_conv = *(LDKAccess*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKAccess o_conv = *(LDKAccess*)(o_ptr);
        LDKCOption_AccessZ *ret_copy = MALLOC(sizeof(LDKCOption_AccessZ), "LDKCOption_AccessZ");
        *ret_copy = COption_AccessZ_some(o_conv);
        uint64_t ret_ref = (uint64_t)ret_copy;
@@ -10757,7 +11085,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_AccessZ_none() {
 
 void  __attribute__((visibility("default"))) TS_COption_AccessZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_AccessZ _res_conv = *(LDKCOption_AccessZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_AccessZ _res_conv = *(LDKCOption_AccessZ*)(_res_ptr);
        FREE((void*)_res);
        COption_AccessZ_free(_res_conv);
 }
@@ -10784,7 +11114,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_DirectionalChannelIn
 
 void  __attribute__((visibility("default"))) TS_CResult_DirectionalChannelInfoDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_DirectionalChannelInfoDecodeErrorZ _res_conv = *(LDKCResult_DirectionalChannelInfoDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_DirectionalChannelInfoDecodeErrorZ _res_conv = *(LDKCResult_DirectionalChannelInfoDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_DirectionalChannelInfoDecodeErrorZ_free(_res_conv);
 }
@@ -10818,7 +11150,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ChannelInfoDecodeErr
 
 void  __attribute__((visibility("default"))) TS_CResult_ChannelInfoDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelInfoDecodeErrorZ _res_conv = *(LDKCResult_ChannelInfoDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelInfoDecodeErrorZ _res_conv = *(LDKCResult_ChannelInfoDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelInfoDecodeErrorZ_free(_res_conv);
 }
@@ -10852,7 +11186,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_RoutingFeesDecodeErr
 
 void  __attribute__((visibility("default"))) TS_CResult_RoutingFeesDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RoutingFeesDecodeErrorZ _res_conv = *(LDKCResult_RoutingFeesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RoutingFeesDecodeErrorZ _res_conv = *(LDKCResult_RoutingFeesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RoutingFeesDecodeErrorZ_free(_res_conv);
 }
@@ -10886,7 +11222,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NodeAnnouncementInfo
 
 void  __attribute__((visibility("default"))) TS_CResult_NodeAnnouncementInfoDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeAnnouncementInfoDecodeErrorZ _res_conv = *(LDKCResult_NodeAnnouncementInfoDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeAnnouncementInfoDecodeErrorZ _res_conv = *(LDKCResult_NodeAnnouncementInfoDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeAnnouncementInfoDecodeErrorZ_free(_res_conv);
 }
@@ -10935,7 +11273,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NodeInfoDecodeErrorZ
 
 void  __attribute__((visibility("default"))) TS_CResult_NodeInfoDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeInfoDecodeErrorZ _res_conv = *(LDKCResult_NodeInfoDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeInfoDecodeErrorZ _res_conv = *(LDKCResult_NodeInfoDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeInfoDecodeErrorZ_free(_res_conv);
 }
@@ -10969,7 +11309,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NetworkGraphDecodeEr
 
 void  __attribute__((visibility("default"))) TS_CResult_NetworkGraphDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NetworkGraphDecodeErrorZ _res_conv = *(LDKCResult_NetworkGraphDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NetworkGraphDecodeErrorZ _res_conv = *(LDKCResult_NetworkGraphDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NetworkGraphDecodeErrorZ_free(_res_conv);
 }
@@ -10991,7 +11333,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_CVec_NetAddressZZ_so
        uint32_t* o_vals = (uint32_t*)(o + 4);
        for (size_t m = 0; m < o_constr.datalen; m++) {
                uint32_t o_conv_12 = o_vals[m];
-               LDKNetAddress o_conv_12_conv = *(LDKNetAddress*)(((uint64_t)o_conv_12) & ~1);
+               void* o_conv_12_ptr = (void*)(((uint64_t)o_conv_12) & ~1);
+               CHECK_ACCESS(o_conv_12_ptr);
+               LDKNetAddress o_conv_12_conv = *(LDKNetAddress*)(o_conv_12_ptr);
                o_conv_12_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)o_conv_12) & ~1));
                o_constr.data[m] = o_conv_12_conv;
        }
@@ -11010,7 +11354,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_CVec_NetAddressZZ_no
 
 void  __attribute__((visibility("default"))) TS_COption_CVec_NetAddressZZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_CVec_NetAddressZZ _res_conv = *(LDKCOption_CVec_NetAddressZZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_CVec_NetAddressZZ _res_conv = *(LDKCOption_CVec_NetAddressZZ*)(_res_ptr);
        FREE((void*)_res);
        COption_CVec_NetAddressZZ_free(_res_conv);
 }
@@ -11024,7 +11370,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_CVec_NetAddressZZ_cl
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_NetAddressu8Z_ok(uint32_t o) {
-       LDKNetAddress o_conv = *(LDKNetAddress*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKNetAddress o_conv = *(LDKNetAddress*)(o_ptr);
        o_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)o) & ~1));
        LDKCResult_NetAddressu8Z* ret_conv = MALLOC(sizeof(LDKCResult_NetAddressu8Z), "LDKCResult_NetAddressu8Z");
        *ret_conv = CResult_NetAddressu8Z_ok(o_conv);
@@ -11039,7 +11387,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NetAddressu8Z_err(in
 
 void  __attribute__((visibility("default"))) TS_CResult_NetAddressu8Z_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NetAddressu8Z _res_conv = *(LDKCResult_NetAddressu8Z*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NetAddressu8Z _res_conv = *(LDKCResult_NetAddressu8Z*)(_res_ptr);
        FREE((void*)_res);
        CResult_NetAddressu8Z_free(_res_conv);
 }
@@ -11052,7 +11402,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NetAddressu8Z_clone(
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_CResult_NetAddressu8ZDecodeErrorZ_ok(uint32_t o) {
-       LDKCResult_NetAddressu8Z o_conv = *(LDKCResult_NetAddressu8Z*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKCResult_NetAddressu8Z o_conv = *(LDKCResult_NetAddressu8Z*)(o_ptr);
        o_conv = CResult_NetAddressu8Z_clone((LDKCResult_NetAddressu8Z*)(((uint64_t)o) & ~1));
        LDKCResult_CResult_NetAddressu8ZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_CResult_NetAddressu8ZDecodeErrorZ), "LDKCResult_CResult_NetAddressu8ZDecodeErrorZ");
        *ret_conv = CResult_CResult_NetAddressu8ZDecodeErrorZ_ok(o_conv);
@@ -11071,7 +11423,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CResult_NetAddressu8
 
 void  __attribute__((visibility("default"))) TS_CResult_CResult_NetAddressu8ZDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CResult_NetAddressu8ZDecodeErrorZ _res_conv = *(LDKCResult_CResult_NetAddressu8ZDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CResult_NetAddressu8ZDecodeErrorZ _res_conv = *(LDKCResult_CResult_NetAddressu8ZDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CResult_NetAddressu8ZDecodeErrorZ_free(_res_conv);
 }
@@ -11084,7 +11438,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CResult_NetAddressu8
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_NetAddressDecodeErrorZ_ok(uint32_t o) {
-       LDKNetAddress o_conv = *(LDKNetAddress*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKNetAddress o_conv = *(LDKNetAddress*)(o_ptr);
        o_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)o) & ~1));
        LDKCResult_NetAddressDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NetAddressDecodeErrorZ), "LDKCResult_NetAddressDecodeErrorZ");
        *ret_conv = CResult_NetAddressDecodeErrorZ_ok(o_conv);
@@ -11103,7 +11459,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NetAddressDecodeErro
 
 void  __attribute__((visibility("default"))) TS_CResult_NetAddressDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NetAddressDecodeErrorZ _res_conv = *(LDKCResult_NetAddressDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NetAddressDecodeErrorZ _res_conv = *(LDKCResult_NetAddressDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NetAddressDecodeErrorZ_free(_res_conv);
 }
@@ -11209,7 +11567,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_AcceptChannelDecodeE
 
 void  __attribute__((visibility("default"))) TS_CResult_AcceptChannelDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_AcceptChannelDecodeErrorZ _res_conv = *(LDKCResult_AcceptChannelDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_AcceptChannelDecodeErrorZ _res_conv = *(LDKCResult_AcceptChannelDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_AcceptChannelDecodeErrorZ_free(_res_conv);
 }
@@ -11243,7 +11603,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_AnnouncementSignatur
 
 void  __attribute__((visibility("default"))) TS_CResult_AnnouncementSignaturesDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_AnnouncementSignaturesDecodeErrorZ _res_conv = *(LDKCResult_AnnouncementSignaturesDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_AnnouncementSignaturesDecodeErrorZ _res_conv = *(LDKCResult_AnnouncementSignaturesDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_AnnouncementSignaturesDecodeErrorZ_free(_res_conv);
 }
@@ -11277,7 +11639,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ChannelReestablishDe
 
 void  __attribute__((visibility("default"))) TS_CResult_ChannelReestablishDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelReestablishDecodeErrorZ _res_conv = *(LDKCResult_ChannelReestablishDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelReestablishDecodeErrorZ _res_conv = *(LDKCResult_ChannelReestablishDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelReestablishDecodeErrorZ_free(_res_conv);
 }
@@ -11311,7 +11675,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ClosingSignedDecodeE
 
 void  __attribute__((visibility("default"))) TS_CResult_ClosingSignedDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ClosingSignedDecodeErrorZ _res_conv = *(LDKCResult_ClosingSignedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ClosingSignedDecodeErrorZ _res_conv = *(LDKCResult_ClosingSignedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ClosingSignedDecodeErrorZ_free(_res_conv);
 }
@@ -11345,7 +11711,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ClosingSignedFeeRang
 
 void  __attribute__((visibility("default"))) TS_CResult_ClosingSignedFeeRangeDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ClosingSignedFeeRangeDecodeErrorZ _res_conv = *(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ClosingSignedFeeRangeDecodeErrorZ _res_conv = *(LDKCResult_ClosingSignedFeeRangeDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ClosingSignedFeeRangeDecodeErrorZ_free(_res_conv);
 }
@@ -11379,7 +11747,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_CommitmentSignedDeco
 
 void  __attribute__((visibility("default"))) TS_CResult_CommitmentSignedDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_CommitmentSignedDecodeErrorZ _res_conv = *(LDKCResult_CommitmentSignedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_CommitmentSignedDecodeErrorZ _res_conv = *(LDKCResult_CommitmentSignedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_CommitmentSignedDecodeErrorZ_free(_res_conv);
 }
@@ -11413,7 +11783,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_FundingCreatedDecode
 
 void  __attribute__((visibility("default"))) TS_CResult_FundingCreatedDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_FundingCreatedDecodeErrorZ _res_conv = *(LDKCResult_FundingCreatedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_FundingCreatedDecodeErrorZ _res_conv = *(LDKCResult_FundingCreatedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_FundingCreatedDecodeErrorZ_free(_res_conv);
 }
@@ -11447,7 +11819,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_FundingSignedDecodeE
 
 void  __attribute__((visibility("default"))) TS_CResult_FundingSignedDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_FundingSignedDecodeErrorZ _res_conv = *(LDKCResult_FundingSignedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_FundingSignedDecodeErrorZ _res_conv = *(LDKCResult_FundingSignedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_FundingSignedDecodeErrorZ_free(_res_conv);
 }
@@ -11481,7 +11855,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_FundingLockedDecodeE
 
 void  __attribute__((visibility("default"))) TS_CResult_FundingLockedDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_FundingLockedDecodeErrorZ _res_conv = *(LDKCResult_FundingLockedDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_FundingLockedDecodeErrorZ _res_conv = *(LDKCResult_FundingLockedDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_FundingLockedDecodeErrorZ_free(_res_conv);
 }
@@ -11515,7 +11891,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_InitDecodeErrorZ_err
 
 void  __attribute__((visibility("default"))) TS_CResult_InitDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InitDecodeErrorZ _res_conv = *(LDKCResult_InitDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InitDecodeErrorZ _res_conv = *(LDKCResult_InitDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InitDecodeErrorZ_free(_res_conv);
 }
@@ -11549,7 +11927,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_OpenChannelDecodeErr
 
 void  __attribute__((visibility("default"))) TS_CResult_OpenChannelDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_OpenChannelDecodeErrorZ _res_conv = *(LDKCResult_OpenChannelDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_OpenChannelDecodeErrorZ _res_conv = *(LDKCResult_OpenChannelDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_OpenChannelDecodeErrorZ_free(_res_conv);
 }
@@ -11583,7 +11963,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_RevokeAndACKDecodeEr
 
 void  __attribute__((visibility("default"))) TS_CResult_RevokeAndACKDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_RevokeAndACKDecodeErrorZ _res_conv = *(LDKCResult_RevokeAndACKDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_RevokeAndACKDecodeErrorZ _res_conv = *(LDKCResult_RevokeAndACKDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_RevokeAndACKDecodeErrorZ_free(_res_conv);
 }
@@ -11617,7 +11999,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ShutdownDecodeErrorZ
 
 void  __attribute__((visibility("default"))) TS_CResult_ShutdownDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ShutdownDecodeErrorZ _res_conv = *(LDKCResult_ShutdownDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ShutdownDecodeErrorZ _res_conv = *(LDKCResult_ShutdownDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ShutdownDecodeErrorZ_free(_res_conv);
 }
@@ -11651,7 +12035,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_UpdateFailHTLCDecode
 
 void  __attribute__((visibility("default"))) TS_CResult_UpdateFailHTLCDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateFailHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFailHTLCDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateFailHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFailHTLCDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateFailHTLCDecodeErrorZ_free(_res_conv);
 }
@@ -11685,7 +12071,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_UpdateFailMalformedH
 
 void  __attribute__((visibility("default"))) TS_CResult_UpdateFailMalformedHTLCDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFailMalformedHTLCDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateFailMalformedHTLCDecodeErrorZ_free(_res_conv);
 }
@@ -11719,7 +12107,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_UpdateFeeDecodeError
 
 void  __attribute__((visibility("default"))) TS_CResult_UpdateFeeDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateFeeDecodeErrorZ _res_conv = *(LDKCResult_UpdateFeeDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateFeeDecodeErrorZ _res_conv = *(LDKCResult_UpdateFeeDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateFeeDecodeErrorZ_free(_res_conv);
 }
@@ -11753,7 +12143,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_UpdateFulfillHTLCDec
 
 void  __attribute__((visibility("default"))) TS_CResult_UpdateFulfillHTLCDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateFulfillHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFulfillHTLCDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateFulfillHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateFulfillHTLCDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateFulfillHTLCDecodeErrorZ_free(_res_conv);
 }
@@ -11787,7 +12179,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_UpdateAddHTLCDecodeE
 
 void  __attribute__((visibility("default"))) TS_CResult_UpdateAddHTLCDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UpdateAddHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateAddHTLCDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UpdateAddHTLCDecodeErrorZ _res_conv = *(LDKCResult_UpdateAddHTLCDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UpdateAddHTLCDecodeErrorZ_free(_res_conv);
 }
@@ -11821,7 +12215,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PingDecodeErrorZ_err
 
 void  __attribute__((visibility("default"))) TS_CResult_PingDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PingDecodeErrorZ _res_conv = *(LDKCResult_PingDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PingDecodeErrorZ _res_conv = *(LDKCResult_PingDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PingDecodeErrorZ_free(_res_conv);
 }
@@ -11855,7 +12251,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_PongDecodeErrorZ_err
 
 void  __attribute__((visibility("default"))) TS_CResult_PongDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_PongDecodeErrorZ _res_conv = *(LDKCResult_PongDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_PongDecodeErrorZ _res_conv = *(LDKCResult_PongDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_PongDecodeErrorZ_free(_res_conv);
 }
@@ -11889,7 +12287,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_UnsignedChannelAnnou
 
 void  __attribute__((visibility("default"))) TS_CResult_UnsignedChannelAnnouncementDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_UnsignedChannelAnnouncementDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UnsignedChannelAnnouncementDecodeErrorZ_free(_res_conv);
 }
@@ -11923,7 +12323,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ChannelAnnouncementD
 
 void  __attribute__((visibility("default"))) TS_CResult_ChannelAnnouncementDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_ChannelAnnouncementDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_ChannelAnnouncementDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelAnnouncementDecodeErrorZ_free(_res_conv);
 }
@@ -11957,7 +12359,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_UnsignedChannelUpdat
 
 void  __attribute__((visibility("default"))) TS_CResult_UnsignedChannelUpdateDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UnsignedChannelUpdateDecodeErrorZ _res_conv = *(LDKCResult_UnsignedChannelUpdateDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UnsignedChannelUpdateDecodeErrorZ _res_conv = *(LDKCResult_UnsignedChannelUpdateDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UnsignedChannelUpdateDecodeErrorZ_free(_res_conv);
 }
@@ -11991,7 +12395,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ChannelUpdateDecodeE
 
 void  __attribute__((visibility("default"))) TS_CResult_ChannelUpdateDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ChannelUpdateDecodeErrorZ _res_conv = *(LDKCResult_ChannelUpdateDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ChannelUpdateDecodeErrorZ _res_conv = *(LDKCResult_ChannelUpdateDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ChannelUpdateDecodeErrorZ_free(_res_conv);
 }
@@ -12025,7 +12431,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ErrorMessageDecodeEr
 
 void  __attribute__((visibility("default"))) TS_CResult_ErrorMessageDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ErrorMessageDecodeErrorZ _res_conv = *(LDKCResult_ErrorMessageDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ErrorMessageDecodeErrorZ _res_conv = *(LDKCResult_ErrorMessageDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ErrorMessageDecodeErrorZ_free(_res_conv);
 }
@@ -12059,7 +12467,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_UnsignedNodeAnnounce
 
 void  __attribute__((visibility("default"))) TS_CResult_UnsignedNodeAnnouncementDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_UnsignedNodeAnnouncementDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_UnsignedNodeAnnouncementDecodeErrorZ_free(_res_conv);
 }
@@ -12093,7 +12503,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_NodeAnnouncementDeco
 
 void  __attribute__((visibility("default"))) TS_CResult_NodeAnnouncementDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_NodeAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_NodeAnnouncementDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_NodeAnnouncementDecodeErrorZ _res_conv = *(LDKCResult_NodeAnnouncementDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_NodeAnnouncementDecodeErrorZ_free(_res_conv);
 }
@@ -12127,7 +12539,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_QueryShortChannelIds
 
 void  __attribute__((visibility("default"))) TS_CResult_QueryShortChannelIdsDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_QueryShortChannelIdsDecodeErrorZ _res_conv = *(LDKCResult_QueryShortChannelIdsDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_QueryShortChannelIdsDecodeErrorZ _res_conv = *(LDKCResult_QueryShortChannelIdsDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_QueryShortChannelIdsDecodeErrorZ_free(_res_conv);
 }
@@ -12161,7 +12575,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ReplyShortChannelIds
 
 void  __attribute__((visibility("default"))) TS_CResult_ReplyShortChannelIdsEndDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ _res_conv = *(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ _res_conv = *(LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ReplyShortChannelIdsEndDecodeErrorZ_free(_res_conv);
 }
@@ -12195,7 +12611,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_QueryChannelRangeDec
 
 void  __attribute__((visibility("default"))) TS_CResult_QueryChannelRangeDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_QueryChannelRangeDecodeErrorZ _res_conv = *(LDKCResult_QueryChannelRangeDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_QueryChannelRangeDecodeErrorZ _res_conv = *(LDKCResult_QueryChannelRangeDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_QueryChannelRangeDecodeErrorZ_free(_res_conv);
 }
@@ -12229,7 +12647,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_ReplyChannelRangeDec
 
 void  __attribute__((visibility("default"))) TS_CResult_ReplyChannelRangeDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_ReplyChannelRangeDecodeErrorZ _res_conv = *(LDKCResult_ReplyChannelRangeDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_ReplyChannelRangeDecodeErrorZ _res_conv = *(LDKCResult_ReplyChannelRangeDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_ReplyChannelRangeDecodeErrorZ_free(_res_conv);
 }
@@ -12263,7 +12683,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_GossipTimestampFilte
 
 void  __attribute__((visibility("default"))) TS_CResult_GossipTimestampFilterDecodeErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_GossipTimestampFilterDecodeErrorZ _res_conv = *(LDKCResult_GossipTimestampFilterDecodeErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_GossipTimestampFilterDecodeErrorZ _res_conv = *(LDKCResult_GossipTimestampFilterDecodeErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_GossipTimestampFilterDecodeErrorZ_free(_res_conv);
 }
@@ -12286,7 +12708,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_InvoiceSignOrCreatio
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_CResult_InvoiceSignOrCreationErrorZ_err(uint32_t e) {
-       LDKSignOrCreationError e_conv = *(LDKSignOrCreationError*)(((uint64_t)e) & ~1);
+       void* e_ptr = (void*)(((uint64_t)e) & ~1);
+       CHECK_ACCESS(e_ptr);
+       LDKSignOrCreationError e_conv = *(LDKSignOrCreationError*)(e_ptr);
        e_conv = SignOrCreationError_clone((LDKSignOrCreationError*)(((uint64_t)e) & ~1));
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
        *ret_conv = CResult_InvoiceSignOrCreationErrorZ_err(e_conv);
@@ -12295,7 +12719,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_InvoiceSignOrCreatio
 
 void  __attribute__((visibility("default"))) TS_CResult_InvoiceSignOrCreationErrorZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_InvoiceSignOrCreationErrorZ _res_conv = *(LDKCResult_InvoiceSignOrCreationErrorZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_InvoiceSignOrCreationErrorZ _res_conv = *(LDKCResult_InvoiceSignOrCreationErrorZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_InvoiceSignOrCreationErrorZ_free(_res_conv);
 }
@@ -12308,7 +12734,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_InvoiceSignOrCreatio
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_COption_FilterZ_some(uint32_t o) {
-       LDKFilter o_conv = *(LDKFilter*)(((uint64_t)o) & ~1);
+       void* o_ptr = (void*)(((uint64_t)o) & ~1);
+       CHECK_ACCESS(o_ptr);
+       LDKFilter o_conv = *(LDKFilter*)(o_ptr);
        LDKCOption_FilterZ *ret_copy = MALLOC(sizeof(LDKCOption_FilterZ), "LDKCOption_FilterZ");
        *ret_copy = COption_FilterZ_some(o_conv);
        uint64_t ret_ref = (uint64_t)ret_copy;
@@ -12324,7 +12752,9 @@ uint32_t  __attribute__((visibility("default"))) TS_COption_FilterZ_none() {
 
 void  __attribute__((visibility("default"))) TS_COption_FilterZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCOption_FilterZ _res_conv = *(LDKCOption_FilterZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCOption_FilterZ _res_conv = *(LDKCOption_FilterZ*)(_res_ptr);
        FREE((void*)_res);
        COption_FilterZ_free(_res_conv);
 }
@@ -12347,7 +12777,9 @@ uint32_t  __attribute__((visibility("default"))) TS_CResult_LockedChannelMonitor
 
 void  __attribute__((visibility("default"))) TS_CResult_LockedChannelMonitorNoneZ_free(uint32_t _res) {
        if ((_res & 1) != 0) return;
-       LDKCResult_LockedChannelMonitorNoneZ _res_conv = *(LDKCResult_LockedChannelMonitorNoneZ*)(((uint64_t)_res) & ~1);
+       void* _res_ptr = (void*)(((uint64_t)_res) & ~1);
+       CHECK_ACCESS(_res_ptr);
+       LDKCResult_LockedChannelMonitorNoneZ _res_conv = *(LDKCResult_LockedChannelMonitorNoneZ*)(_res_ptr);
        FREE((void*)_res);
        CResult_LockedChannelMonitorNoneZ_free(_res_conv);
 }
@@ -12372,7 +12804,9 @@ void  __attribute__((visibility("default"))) TS_CVec_OutPointZ_free(uint32_tArra
 
 void  __attribute__((visibility("default"))) TS_PaymentPurpose_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKPaymentPurpose this_ptr_conv = *(LDKPaymentPurpose*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKPaymentPurpose this_ptr_conv = *(LDKPaymentPurpose*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        PaymentPurpose_free(this_ptr_conv);
 }
@@ -12410,7 +12844,9 @@ uint32_t  __attribute__((visibility("default"))) TS_PaymentPurpose_spontaneous_p
 
 void  __attribute__((visibility("default"))) TS_ClosureReason_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKClosureReason this_ptr_conv = *(LDKClosureReason*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKClosureReason this_ptr_conv = *(LDKClosureReason*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        ClosureReason_free(this_ptr_conv);
 }
@@ -12485,7 +12921,9 @@ int8_tArray  __attribute__((visibility("default"))) TS_ClosureReason_write(uint3
 
 void  __attribute__((visibility("default"))) TS_Event_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKEvent this_ptr_conv = *(LDKEvent*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKEvent this_ptr_conv = *(LDKEvent*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Event_free(this_ptr_conv);
 }
@@ -12516,7 +12954,9 @@ uint32_t  __attribute__((visibility("default"))) TS_Event_payment_received(int8_
        LDKThirtyTwoBytes payment_hash_ref;
        CHECK(*((uint32_t*)payment_hash) == 32);
        memcpy(payment_hash_ref.data, (uint8_t*)(payment_hash + 4), 32);
-       LDKPaymentPurpose purpose_conv = *(LDKPaymentPurpose*)(((uint64_t)purpose) & ~1);
+       void* purpose_ptr = (void*)(((uint64_t)purpose) & ~1);
+       CHECK_ACCESS(purpose_ptr);
+       LDKPaymentPurpose purpose_conv = *(LDKPaymentPurpose*)(purpose_ptr);
        purpose_conv = PaymentPurpose_clone((LDKPaymentPurpose*)(((uint64_t)purpose) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_received(payment_hash_ref, amt, purpose_conv);
@@ -12541,7 +12981,9 @@ uint32_t  __attribute__((visibility("default"))) TS_Event_payment_path_failed(in
        LDKThirtyTwoBytes payment_hash_ref;
        CHECK(*((uint32_t*)payment_hash) == 32);
        memcpy(payment_hash_ref.data, (uint8_t*)(payment_hash + 4), 32);
-       LDKCOption_NetworkUpdateZ network_update_conv = *(LDKCOption_NetworkUpdateZ*)(((uint64_t)network_update) & ~1);
+       void* network_update_ptr = (void*)(((uint64_t)network_update) & ~1);
+       CHECK_ACCESS(network_update_ptr);
+       LDKCOption_NetworkUpdateZ network_update_conv = *(LDKCOption_NetworkUpdateZ*)(network_update_ptr);
        network_update_conv = COption_NetworkUpdateZ_clone((LDKCOption_NetworkUpdateZ*)(((uint64_t)network_update) & ~1));
        LDKCVec_RouteHopZ path_constr;
        path_constr.datalen = *((uint32_t*)path);
@@ -12558,7 +13000,9 @@ uint32_t  __attribute__((visibility("default"))) TS_Event_payment_path_failed(in
                path_conv_10_conv = RouteHop_clone(&path_conv_10_conv);
                path_constr.data[k] = path_conv_10_conv;
        }
-       LDKCOption_u64Z short_channel_id_conv = *(LDKCOption_u64Z*)(((uint64_t)short_channel_id) & ~1);
+       void* short_channel_id_ptr = (void*)(((uint64_t)short_channel_id) & ~1);
+       CHECK_ACCESS(short_channel_id_ptr);
+       LDKCOption_u64Z short_channel_id_conv = *(LDKCOption_u64Z*)(short_channel_id_ptr);
        short_channel_id_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)short_channel_id) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_payment_path_failed(payment_hash_ref, rejected_by_dest, network_update_conv, all_paths_failed, path_constr, short_channel_id_conv);
@@ -12583,7 +13027,9 @@ uint32_t  __attribute__((visibility("default"))) TS_Event_spendable_outputs(uint
        uint32_t* outputs_vals = (uint32_t*)(outputs + 4);
        for (size_t b = 0; b < outputs_constr.datalen; b++) {
                uint32_t outputs_conv_27 = outputs_vals[b];
-               LDKSpendableOutputDescriptor outputs_conv_27_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)outputs_conv_27) & ~1);
+               void* outputs_conv_27_ptr = (void*)(((uint64_t)outputs_conv_27) & ~1);
+               CHECK_ACCESS(outputs_conv_27_ptr);
+               LDKSpendableOutputDescriptor outputs_conv_27_conv = *(LDKSpendableOutputDescriptor*)(outputs_conv_27_ptr);
                outputs_conv_27_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)outputs_conv_27) & ~1));
                outputs_constr.data[b] = outputs_conv_27_conv;
        }
@@ -12594,7 +13040,9 @@ uint32_t  __attribute__((visibility("default"))) TS_Event_spendable_outputs(uint
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_Event_payment_forwarded(uint32_t fee_earned_msat, jboolean claim_from_onchain_tx) {
-       LDKCOption_u64Z fee_earned_msat_conv = *(LDKCOption_u64Z*)(((uint64_t)fee_earned_msat) & ~1);
+       void* fee_earned_msat_ptr = (void*)(((uint64_t)fee_earned_msat) & ~1);
+       CHECK_ACCESS(fee_earned_msat_ptr);
+       LDKCOption_u64Z fee_earned_msat_conv = *(LDKCOption_u64Z*)(fee_earned_msat_ptr);
        fee_earned_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_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);
@@ -12606,7 +13054,9 @@ uint32_t  __attribute__((visibility("default"))) TS_Event_channel_closed(int8_tA
        LDKThirtyTwoBytes channel_id_ref;
        CHECK(*((uint32_t*)channel_id) == 32);
        memcpy(channel_id_ref.data, (uint8_t*)(channel_id + 4), 32);
-       LDKClosureReason reason_conv = *(LDKClosureReason*)(((uint64_t)reason) & ~1);
+       void* reason_ptr = (void*)(((uint64_t)reason) & ~1);
+       CHECK_ACCESS(reason_ptr);
+       LDKClosureReason reason_conv = *(LDKClosureReason*)(reason_ptr);
        reason_conv = ClosureReason_clone((LDKClosureReason*)(((uint64_t)reason) & ~1));
        LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
        *ret_copy = Event_channel_closed(channel_id_ref, user_channel_id, reason_conv);
@@ -12640,7 +13090,9 @@ int8_tArray  __attribute__((visibility("default"))) TS_Event_write(uint32_t obj)
 
 void  __attribute__((visibility("default"))) TS_MessageSendEvent_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKMessageSendEvent this_ptr_conv = *(LDKMessageSendEvent*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKMessageSendEvent this_ptr_conv = *(LDKMessageSendEvent*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        MessageSendEvent_free(this_ptr_conv);
 }
@@ -12862,7 +13314,9 @@ uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_handle_erro
        LDKPublicKey node_id_ref;
        CHECK(*((uint32_t*)node_id) == 33);
        memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
-       LDKErrorAction action_conv = *(LDKErrorAction*)(((uint64_t)action) & ~1);
+       void* action_ptr = (void*)(((uint64_t)action) & ~1);
+       CHECK_ACCESS(action_ptr);
+       LDKErrorAction action_conv = *(LDKErrorAction*)(action_ptr);
        action_conv = ErrorAction_clone((LDKErrorAction*)(((uint64_t)action) & ~1));
        LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
        *ret_copy = MessageSendEvent_handle_error(node_id_ref, action_conv);
@@ -12914,28 +13368,36 @@ uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_reply_
 
 void  __attribute__((visibility("default"))) TS_MessageSendEventsProvider_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKMessageSendEventsProvider this_ptr_conv = *(LDKMessageSendEventsProvider*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKMessageSendEventsProvider this_ptr_conv = *(LDKMessageSendEventsProvider*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        MessageSendEventsProvider_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_EventsProvider_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKEventsProvider this_ptr_conv = *(LDKEventsProvider*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKEventsProvider this_ptr_conv = *(LDKEventsProvider*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        EventsProvider_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_EventHandler_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKEventHandler this_ptr_conv = *(LDKEventHandler*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKEventHandler this_ptr_conv = *(LDKEventHandler*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        EventHandler_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_APIError_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKAPIError this_ptr_conv = *(LDKAPIError*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKAPIError this_ptr_conv = *(LDKAPIError*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        APIError_free(this_ptr_conv);
 }
@@ -13084,7 +13546,9 @@ uint32_t  __attribute__((visibility("default"))) TS_Level_max() {
 
 void  __attribute__((visibility("default"))) TS_Logger_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKLogger this_ptr_conv = *(LDKLogger*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKLogger this_ptr_conv = *(LDKLogger*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Logger_free(this_ptr_conv);
 }
@@ -13735,21 +14199,27 @@ uint32_t  __attribute__((visibility("default"))) TS_AccessError_unknown_tx() {
 
 void  __attribute__((visibility("default"))) TS_Access_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKAccess this_ptr_conv = *(LDKAccess*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKAccess this_ptr_conv = *(LDKAccess*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Access_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_Listen_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKListen this_ptr_conv = *(LDKListen*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKListen this_ptr_conv = *(LDKListen*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Listen_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_Confirm_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKConfirm this_ptr_conv = *(LDKConfirm*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKConfirm this_ptr_conv = *(LDKConfirm*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Confirm_free(this_ptr_conv);
 }
@@ -13772,14 +14242,18 @@ uint32_t  __attribute__((visibility("default"))) TS_ChannelMonitorUpdateErr_perm
 
 void  __attribute__((visibility("default"))) TS_Watch_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKWatch this_ptr_conv = *(LDKWatch*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKWatch this_ptr_conv = *(LDKWatch*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Watch_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_Filter_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKFilter this_ptr_conv = *(LDKFilter*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKFilter this_ptr_conv = *(LDKFilter*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Filter_free(this_ptr_conv);
 }
@@ -13902,7 +14376,9 @@ int64_t  __attribute__((visibility("default"))) TS_WatchedOutput_hash(uint32_t o
 
 void  __attribute__((visibility("default"))) TS_BroadcasterInterface_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKBroadcasterInterface this_ptr_conv = *(LDKBroadcasterInterface*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKBroadcasterInterface this_ptr_conv = *(LDKBroadcasterInterface*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        BroadcasterInterface_free(this_ptr_conv);
 }
@@ -13937,14 +14413,18 @@ jboolean  __attribute__((visibility("default"))) TS_ConfirmationTarget_eq(uint32
 
 void  __attribute__((visibility("default"))) TS_FeeEstimator_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKFeeEstimator this_ptr_conv = *(LDKFeeEstimator*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKFeeEstimator this_ptr_conv = *(LDKFeeEstimator*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        FeeEstimator_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_Persist_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKPersist this_ptr_conv = *(LDKPersist*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKPersist this_ptr_conv = *(LDKPersist*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Persist_free(this_ptr_conv);
 }
@@ -13964,15 +14444,25 @@ void  __attribute__((visibility("default"))) TS_ChainMonitor_free(uint32_t this_
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_ChainMonitor_new(uint32_t chain_source, uint32_t broadcaster, uint32_t logger, uint32_t feeest, uint32_t persister) {
-       LDKCOption_FilterZ chain_source_conv = *(LDKCOption_FilterZ*)(((uint64_t)chain_source) & ~1);
+       void* chain_source_ptr = (void*)(((uint64_t)chain_source) & ~1);
+       CHECK_ACCESS(chain_source_ptr);
+       LDKCOption_FilterZ chain_source_conv = *(LDKCOption_FilterZ*)(chain_source_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_FilterZ
        if (chain_source_conv.tag == LDKCOption_FilterZ_Some) {
                // Manually implement clone for Java trait instances
        }
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
-       LDKFeeEstimator feeest_conv = *(LDKFeeEstimator*)(((uint64_t)feeest) & ~1);
-       LDKPersist persister_conv = *(LDKPersist*)(((uint64_t)persister) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
+       void* feeest_ptr = (void*)(((uint64_t)feeest) & ~1);
+       CHECK_ACCESS(feeest_ptr);
+       LDKFeeEstimator feeest_conv = *(LDKFeeEstimator*)(feeest_ptr);
+       void* persister_ptr = (void*)(((uint64_t)persister) & ~1);
+       CHECK_ACCESS(persister_ptr);
+       LDKPersist persister_conv = *(LDKPersist*)(persister_ptr);
        LDKChainMonitor ret_var = ChainMonitor_new(chain_source_conv, broadcaster_conv, logger_conv, feeest_conv, persister_conv);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -14007,7 +14497,7 @@ uint32_tArray  __attribute__((visibility("default"))) TS_ChainMonitor_get_claima
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
        for (size_t j = 0; j < ret_var.datalen; j++) {
                LDKBalance *ret_conv_9_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
-               *ret_conv_9_copy = Balance_clone(&ret_var.data[j]);
+               *ret_conv_9_copy = ret_var.data[j];
                uint64_t ret_conv_9_ref = (uint64_t)ret_conv_9_copy;
                ret_arr_ptr[j] = ret_conv_9_ref;
        }
@@ -14164,7 +14654,9 @@ uint32_t  __attribute__((visibility("default"))) TS_MonitorUpdateError_clone(uin
 
 void  __attribute__((visibility("default"))) TS_MonitorEvent_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKMonitorEvent this_ptr_conv = *(LDKMonitorEvent*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKMonitorEvent this_ptr_conv = *(LDKMonitorEvent*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        MonitorEvent_free(this_ptr_conv);
 }
@@ -14242,7 +14734,9 @@ uint32_t  __attribute__((visibility("default"))) TS_HTLCUpdate_read(int8_tArray
 
 void  __attribute__((visibility("default"))) TS_Balance_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKBalance this_ptr_conv = *(LDKBalance*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKBalance this_ptr_conv = *(LDKBalance*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Balance_free(this_ptr_conv);
 }
@@ -14329,9 +14823,15 @@ uint32_t  __attribute__((visibility("default"))) TS_ChannelMonitor_update_monito
        LDKChannelMonitorUpdate updates_conv;
        updates_conv.inner = (void*)(updates & (~1));
        updates_conv.is_owned = false;
-       LDKBroadcasterInterface* broadcaster_conv = (LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
-       LDKFeeEstimator* fee_estimator_conv = (LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
-       LDKLogger* logger_conv = (LDKLogger*)(((uint64_t)logger) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       if (!(broadcaster & 1)) { CHECK_ACCESS(broadcaster_ptr); }
+       LDKBroadcasterInterface* broadcaster_conv = (LDKBroadcasterInterface*)broadcaster_ptr;
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       if (!(fee_estimator & 1)) { CHECK_ACCESS(fee_estimator_ptr); }
+       LDKFeeEstimator* fee_estimator_conv = (LDKFeeEstimator*)fee_estimator_ptr;
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       if (!(logger & 1)) { CHECK_ACCESS(logger_ptr); }
+       LDKLogger* logger_conv = (LDKLogger*)logger_ptr;
        LDKCResult_NoneMonitorUpdateErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NoneMonitorUpdateErrorZ), "LDKCResult_NoneMonitorUpdateErrorZ");
        *ret_conv = ChannelMonitor_update_monitor(&this_arg_conv, &updates_conv, broadcaster_conv, fee_estimator_conv, logger_conv);
        return (uint64_t)ret_conv;
@@ -14374,7 +14874,9 @@ void  __attribute__((visibility("default"))) TS_ChannelMonitor_load_outputs_to_w
        LDKChannelMonitor this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKFilter* filter_conv = (LDKFilter*)(((uint64_t)filter) & ~1);
+       void* filter_ptr = (void*)(((uint64_t)filter) & ~1);
+       if (!(filter & 1)) { CHECK_ACCESS(filter_ptr); }
+       LDKFilter* filter_conv = (LDKFilter*)filter_ptr;
        ChannelMonitor_load_outputs_to_watch(&this_arg_conv, filter_conv);
 }
 
@@ -14387,7 +14889,7 @@ uint32_tArray  __attribute__((visibility("default"))) TS_ChannelMonitor_get_and_
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
        for (size_t o = 0; o < ret_var.datalen; o++) {
                LDKMonitorEvent *ret_conv_14_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
-               *ret_conv_14_copy = MonitorEvent_clone(&ret_var.data[o]);
+               *ret_conv_14_copy = ret_var.data[o];
                uint64_t ret_conv_14_ref = (uint64_t)ret_conv_14_copy;
                ret_arr_ptr[o] = ret_conv_14_ref;
        }
@@ -14404,7 +14906,7 @@ uint32_tArray  __attribute__((visibility("default"))) TS_ChannelMonitor_get_and_
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
        for (size_t h = 0; h < ret_var.datalen; h++) {
                LDKEvent *ret_conv_7_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
-               *ret_conv_7_copy = Event_clone(&ret_var.data[h]);
+               *ret_conv_7_copy = ret_var.data[h];
                uint64_t ret_conv_7_ref = (uint64_t)ret_conv_7_copy;
                ret_arr_ptr[h] = ret_conv_7_ref;
        }
@@ -14416,7 +14918,9 @@ ptrArray  __attribute__((visibility("default"))) TS_ChannelMonitor_get_latest_ho
        LDKChannelMonitor this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKLogger* logger_conv = (LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       if (!(logger & 1)) { CHECK_ACCESS(logger_ptr); }
+       LDKLogger* logger_conv = (LDKLogger*)logger_ptr;
        LDKCVec_TransactionZ ret_var = ChannelMonitor_get_latest_holder_commitment_txn(&this_arg_conv, logger_conv);
        ptrArray ret_arr = init_arr(ret_var.datalen, sizeof(uint32_t), "Native ptrArray Bytes");
        int8_tArray *ret_arr_ptr = (int8_tArray*)(ret_arr + 4);
@@ -14448,13 +14952,21 @@ uint32_tArray  __attribute__((visibility("default"))) TS_ChannelMonitor_block_co
        uint32_t* txdata_vals = (uint32_t*)(txdata + 4);
        for (size_t c = 0; c < txdata_constr.datalen; c++) {
                uint32_t txdata_conv_28 = txdata_vals[c];
-               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1);
+               void* txdata_conv_28_ptr = (void*)(((uint64_t)txdata_conv_28) & ~1);
+               CHECK_ACCESS(txdata_conv_28_ptr);
+               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(txdata_conv_28_ptr);
                txdata_conv_28_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1));
                txdata_constr.data[c] = txdata_conv_28_conv;
        }
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ ret_var = ChannelMonitor_block_connected(&this_arg_conv, header_ref, txdata_constr, height, broadcaster_conv, fee_estimator_conv, logger_conv);
        uint32_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint32_t), "Native uint32_tArray Bytes");
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
@@ -14475,9 +14987,15 @@ void  __attribute__((visibility("default"))) TS_ChannelMonitor_block_disconnecte
        CHECK(*((uint32_t*)header) == 80);
        memcpy(header_arr, (uint8_t*)(header + 4), 80);
        unsigned char (*header_ref)[80] = &header_arr;
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        ChannelMonitor_block_disconnected(&this_arg_conv, header_ref, height, broadcaster_conv, fee_estimator_conv, logger_conv);
 }
 
@@ -14498,13 +15016,21 @@ uint32_tArray  __attribute__((visibility("default"))) TS_ChannelMonitor_transact
        uint32_t* txdata_vals = (uint32_t*)(txdata + 4);
        for (size_t c = 0; c < txdata_constr.datalen; c++) {
                uint32_t txdata_conv_28 = txdata_vals[c];
-               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1);
+               void* txdata_conv_28_ptr = (void*)(((uint64_t)txdata_conv_28) & ~1);
+               CHECK_ACCESS(txdata_conv_28_ptr);
+               LDKC2Tuple_usizeTransactionZ txdata_conv_28_conv = *(LDKC2Tuple_usizeTransactionZ*)(txdata_conv_28_ptr);
                txdata_conv_28_conv = C2Tuple_usizeTransactionZ_clone((LDKC2Tuple_usizeTransactionZ*)(((uint64_t)txdata_conv_28) & ~1));
                txdata_constr.data[c] = txdata_conv_28_conv;
        }
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ ret_var = ChannelMonitor_transactions_confirmed(&this_arg_conv, header_ref, txdata_constr, height, broadcaster_conv, fee_estimator_conv, logger_conv);
        uint32_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint32_t), "Native uint32_tArray Bytes");
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
@@ -14525,9 +15051,15 @@ void  __attribute__((visibility("default"))) TS_ChannelMonitor_transaction_uncon
        CHECK(*((uint32_t*)txid) == 32);
        memcpy(txid_arr, (uint8_t*)(txid + 4), 32);
        unsigned char (*txid_ref)[32] = &txid_arr;
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        ChannelMonitor_transaction_unconfirmed(&this_arg_conv, txid_ref, broadcaster_conv, fee_estimator_conv, logger_conv);
 }
 
@@ -14539,9 +15071,15 @@ uint32_tArray  __attribute__((visibility("default"))) TS_ChannelMonitor_best_blo
        CHECK(*((uint32_t*)header) == 80);
        memcpy(header_arr, (uint8_t*)(header + 4), 80);
        unsigned char (*header_ref)[80] = &header_arr;
-       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* broadcaster_ptr = (void*)(((uint64_t)broadcaster) & ~1);
+       CHECK_ACCESS(broadcaster_ptr);
+       LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(broadcaster_ptr);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ ret_var = ChannelMonitor_best_block_updated(&this_arg_conv, header_ref, height, broadcaster_conv, fee_estimator_conv, logger_conv);
        uint32_tArray ret_arr = init_arr(ret_var.datalen, sizeof(uint32_t), "Native uint32_tArray Bytes");
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
@@ -14593,7 +15131,7 @@ uint32_tArray  __attribute__((visibility("default"))) TS_ChannelMonitor_get_clai
        uint32_t *ret_arr_ptr = (uint32_t*)(ret_arr + 4);
        for (size_t j = 0; j < ret_var.datalen; j++) {
                LDKBalance *ret_conv_9_copy = MALLOC(sizeof(LDKBalance), "LDKBalance");
-               *ret_conv_9_copy = Balance_clone(&ret_var.data[j]);
+               *ret_conv_9_copy = ret_var.data[j];
                uint64_t ret_conv_9_ref = (uint64_t)ret_conv_9_copy;
                ret_arr_ptr[j] = ret_conv_9_ref;
        }
@@ -14605,7 +15143,9 @@ uint32_t  __attribute__((visibility("default"))) TS_C2Tuple_BlockHashChannelMoni
        LDKu8slice ser_ref;
        ser_ref.datalen = *((uint32_t*)ser);
        ser_ref.data = (int8_t*)(ser + 4);
-       LDKKeysInterface* arg_conv = (LDKKeysInterface*)(((uint64_t)arg) & ~1);
+       void* arg_ptr = (void*)(((uint64_t)arg) & ~1);
+       if (!(arg & 1)) { CHECK_ACCESS(arg_ptr); }
+       LDKKeysInterface* arg_conv = (LDKKeysInterface*)arg_ptr;
        LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ), "LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ");
        *ret_conv = C2Tuple_BlockHashChannelMonitorZ_read(ser_ref, arg_conv);
        return (uint64_t)ret_conv;
@@ -14798,7 +15338,9 @@ void  __attribute__((visibility("default"))) TS_DelayedPaymentOutputDescriptor_s
        LDKDelayedPaymentOutputDescriptor this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKTxOut val_conv = *(LDKTxOut*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKTxOut val_conv = *(LDKTxOut*)(val_ptr);
        val_conv = TxOut_clone((LDKTxOut*)(((uint64_t)val) & ~1));
        DelayedPaymentOutputDescriptor_set_output(&this_ptr_conv, val_conv);
 }
@@ -14864,7 +15406,9 @@ uint32_t  __attribute__((visibility("default"))) TS_DelayedPaymentOutputDescript
        LDKPublicKey per_commitment_point_arg_ref;
        CHECK(*((uint32_t*)per_commitment_point_arg) == 33);
        memcpy(per_commitment_point_arg_ref.compressed_form, (uint8_t*)(per_commitment_point_arg + 4), 33);
-       LDKTxOut output_arg_conv = *(LDKTxOut*)(((uint64_t)output_arg) & ~1);
+       void* output_arg_ptr = (void*)(((uint64_t)output_arg) & ~1);
+       CHECK_ACCESS(output_arg_ptr);
+       LDKTxOut output_arg_conv = *(LDKTxOut*)(output_arg_ptr);
        output_arg_conv = TxOut_clone((LDKTxOut*)(((uint64_t)output_arg) & ~1));
        LDKPublicKey revocation_pubkey_arg_ref;
        CHECK(*((uint32_t*)revocation_pubkey_arg) == 33);
@@ -14952,7 +15496,9 @@ void  __attribute__((visibility("default"))) TS_StaticPaymentOutputDescriptor_se
        LDKStaticPaymentOutputDescriptor this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKTxOut val_conv = *(LDKTxOut*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKTxOut val_conv = *(LDKTxOut*)(val_ptr);
        val_conv = TxOut_clone((LDKTxOut*)(((uint64_t)val) & ~1));
        StaticPaymentOutputDescriptor_set_output(&this_ptr_conv, val_conv);
 }
@@ -14996,7 +15542,9 @@ uint32_t  __attribute__((visibility("default"))) TS_StaticPaymentOutputDescripto
        outpoint_arg_conv.inner = (void*)(outpoint_arg & (~1));
        outpoint_arg_conv.is_owned = (outpoint_arg & 1) || (outpoint_arg == 0);
        outpoint_arg_conv = OutPoint_clone(&outpoint_arg_conv);
-       LDKTxOut output_arg_conv = *(LDKTxOut*)(((uint64_t)output_arg) & ~1);
+       void* output_arg_ptr = (void*)(((uint64_t)output_arg) & ~1);
+       CHECK_ACCESS(output_arg_ptr);
+       LDKTxOut output_arg_conv = *(LDKTxOut*)(output_arg_ptr);
        output_arg_conv = TxOut_clone((LDKTxOut*)(((uint64_t)output_arg) & ~1));
        LDKThirtyTwoBytes channel_keys_id_arg_ref;
        CHECK(*((uint32_t*)channel_keys_id_arg) == 32);
@@ -15047,7 +15595,9 @@ uint32_t  __attribute__((visibility("default"))) TS_StaticPaymentOutputDescripto
 
 void  __attribute__((visibility("default"))) TS_SpendableOutputDescriptor_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKSpendableOutputDescriptor this_ptr_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKSpendableOutputDescriptor this_ptr_conv = *(LDKSpendableOutputDescriptor*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        SpendableOutputDescriptor_free(this_ptr_conv);
 }
@@ -15065,7 +15615,9 @@ uint32_t  __attribute__((visibility("default"))) TS_SpendableOutputDescriptor_st
        outpoint_conv.inner = (void*)(outpoint & (~1));
        outpoint_conv.is_owned = (outpoint & 1) || (outpoint == 0);
        outpoint_conv = OutPoint_clone(&outpoint_conv);
-       LDKTxOut output_conv = *(LDKTxOut*)(((uint64_t)output) & ~1);
+       void* output_ptr = (void*)(((uint64_t)output) & ~1);
+       CHECK_ACCESS(output_ptr);
+       LDKTxOut output_conv = *(LDKTxOut*)(output_ptr);
        output_conv = TxOut_clone((LDKTxOut*)(((uint64_t)output) & ~1));
        LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
        *ret_copy = SpendableOutputDescriptor_static_output(outpoint_conv, output_conv);
@@ -15115,13 +15667,17 @@ uint32_t  __attribute__((visibility("default"))) TS_SpendableOutputDescriptor_re
 
 void  __attribute__((visibility("default"))) TS_BaseSign_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKBaseSign this_ptr_conv = *(LDKBaseSign*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKBaseSign this_ptr_conv = *(LDKBaseSign*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        BaseSign_free(this_ptr_conv);
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_Sign_clone(uint32_t orig) {
-       LDKSign* orig_conv = (LDKSign*)(((uint64_t)orig) & ~1);
+       void* orig_ptr = (void*)(((uint64_t)orig) & ~1);
+       if (!(orig & 1)) { CHECK_ACCESS(orig_ptr); }
+       LDKSign* orig_conv = (LDKSign*)orig_ptr;
        LDKSign* ret_ret =MALLOC(sizeof(LDKSign), "LDKSign");
        *ret_ret = Sign_clone(orig_conv);
        return (uint64_t)ret_ret;
@@ -15129,14 +15685,18 @@ uint32_t  __attribute__((visibility("default"))) TS_Sign_clone(uint32_t orig) {
 
 void  __attribute__((visibility("default"))) TS_Sign_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKSign this_ptr_conv = *(LDKSign*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKSign this_ptr_conv = *(LDKSign*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Sign_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_KeysInterface_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKKeysInterface this_ptr_conv = *(LDKKeysInterface*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKKeysInterface this_ptr_conv = *(LDKKeysInterface*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        KeysInterface_free(this_ptr_conv);
 }
@@ -15499,7 +16059,9 @@ uint32_t  __attribute__((visibility("default"))) TS_KeysManager_spend_spendable_
        uint32_t* descriptors_vals = (uint32_t*)(descriptors + 4);
        for (size_t b = 0; b < descriptors_constr.datalen; b++) {
                uint32_t descriptors_conv_27 = descriptors_vals[b];
-               LDKSpendableOutputDescriptor descriptors_conv_27_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)descriptors_conv_27) & ~1);
+               void* descriptors_conv_27_ptr = (void*)(((uint64_t)descriptors_conv_27) & ~1);
+               CHECK_ACCESS(descriptors_conv_27_ptr);
+               LDKSpendableOutputDescriptor descriptors_conv_27_conv = *(LDKSpendableOutputDescriptor*)(descriptors_conv_27_ptr);
                descriptors_conv_27_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)descriptors_conv_27) & ~1));
                descriptors_constr.data[b] = descriptors_conv_27_conv;
        }
@@ -15512,7 +16074,9 @@ uint32_t  __attribute__((visibility("default"))) TS_KeysManager_spend_spendable_
        uint32_t* outputs_vals = (uint32_t*)(outputs + 4);
        for (size_t h = 0; h < outputs_constr.datalen; h++) {
                uint32_t outputs_conv_7 = outputs_vals[h];
-               LDKTxOut outputs_conv_7_conv = *(LDKTxOut*)(((uint64_t)outputs_conv_7) & ~1);
+               void* outputs_conv_7_ptr = (void*)(((uint64_t)outputs_conv_7) & ~1);
+               CHECK_ACCESS(outputs_conv_7_ptr);
+               LDKTxOut outputs_conv_7_conv = *(LDKTxOut*)(outputs_conv_7_ptr);
                outputs_conv_7_conv = TxOut_clone((LDKTxOut*)(((uint64_t)outputs_conv_7) & ~1));
                outputs_constr.data[h] = outputs_conv_7_conv;
        }
@@ -15973,7 +16537,9 @@ void  __attribute__((visibility("default"))) TS_ChannelDetails_set_short_channel
        LDKChannelDetails this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        ChannelDetails_set_short_channel_id(&this_ptr_conv, val_conv);
 }
@@ -16007,7 +16573,9 @@ void  __attribute__((visibility("default"))) TS_ChannelDetails_set_unspendable_p
        LDKChannelDetails this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        ChannelDetails_set_unspendable_punishment_reserve(&this_ptr_conv, val_conv);
 }
@@ -16071,7 +16639,9 @@ void  __attribute__((visibility("default"))) TS_ChannelDetails_set_confirmations
        LDKChannelDetails this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u32Z val_conv = *(LDKCOption_u32Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u32Z val_conv = *(LDKCOption_u32Z*)(val_ptr);
        val_conv = COption_u32Z_clone((LDKCOption_u32Z*)(((uint64_t)val) & ~1));
        ChannelDetails_set_confirmations_required(&this_ptr_conv, val_conv);
 }
@@ -16090,7 +16660,9 @@ void  __attribute__((visibility("default"))) TS_ChannelDetails_set_force_close_s
        LDKChannelDetails this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u16Z val_conv = *(LDKCOption_u16Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u16Z val_conv = *(LDKCOption_u16Z*)(val_ptr);
        val_conv = COption_u16Z_clone((LDKCOption_u16Z*)(((uint64_t)val) & ~1));
        ChannelDetails_set_force_close_spend_delay(&this_ptr_conv, val_conv);
 }
@@ -16167,12 +16739,20 @@ uint32_t  __attribute__((visibility("default"))) TS_ChannelDetails_new(int8_tArr
        funding_txo_arg_conv.inner = (void*)(funding_txo_arg & (~1));
        funding_txo_arg_conv.is_owned = (funding_txo_arg & 1) || (funding_txo_arg == 0);
        funding_txo_arg_conv = OutPoint_clone(&funding_txo_arg_conv);
-       LDKCOption_u64Z short_channel_id_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)short_channel_id_arg) & ~1);
+       void* short_channel_id_arg_ptr = (void*)(((uint64_t)short_channel_id_arg) & ~1);
+       CHECK_ACCESS(short_channel_id_arg_ptr);
+       LDKCOption_u64Z short_channel_id_arg_conv = *(LDKCOption_u64Z*)(short_channel_id_arg_ptr);
        short_channel_id_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)short_channel_id_arg) & ~1));
-       LDKCOption_u64Z unspendable_punishment_reserve_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)unspendable_punishment_reserve_arg) & ~1);
-       LDKCOption_u32Z confirmations_required_arg_conv = *(LDKCOption_u32Z*)(((uint64_t)confirmations_required_arg) & ~1);
+       void* unspendable_punishment_reserve_arg_ptr = (void*)(((uint64_t)unspendable_punishment_reserve_arg) & ~1);
+       CHECK_ACCESS(unspendable_punishment_reserve_arg_ptr);
+       LDKCOption_u64Z unspendable_punishment_reserve_arg_conv = *(LDKCOption_u64Z*)(unspendable_punishment_reserve_arg_ptr);
+       void* confirmations_required_arg_ptr = (void*)(((uint64_t)confirmations_required_arg) & ~1);
+       CHECK_ACCESS(confirmations_required_arg_ptr);
+       LDKCOption_u32Z confirmations_required_arg_conv = *(LDKCOption_u32Z*)(confirmations_required_arg_ptr);
        confirmations_required_arg_conv = COption_u32Z_clone((LDKCOption_u32Z*)(((uint64_t)confirmations_required_arg) & ~1));
-       LDKCOption_u16Z force_close_spend_delay_arg_conv = *(LDKCOption_u16Z*)(((uint64_t)force_close_spend_delay_arg) & ~1);
+       void* force_close_spend_delay_arg_ptr = (void*)(((uint64_t)force_close_spend_delay_arg) & ~1);
+       CHECK_ACCESS(force_close_spend_delay_arg_ptr);
+       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*)(((uint64_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, 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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -16200,7 +16780,9 @@ uint32_t  __attribute__((visibility("default"))) TS_ChannelDetails_clone(uint32_
 
 void  __attribute__((visibility("default"))) TS_PaymentSendFailure_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKPaymentSendFailure this_ptr_conv = *(LDKPaymentSendFailure*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKPaymentSendFailure this_ptr_conv = *(LDKPaymentSendFailure*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        PaymentSendFailure_free(this_ptr_conv);
 }
@@ -16214,7 +16796,9 @@ uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_clone(uin
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_parameter_error(uint32_t a) {
-       LDKAPIError a_conv = *(LDKAPIError*)(((uint64_t)a) & ~1);
+       void* a_ptr = (void*)(((uint64_t)a) & ~1);
+       CHECK_ACCESS(a_ptr);
+       LDKAPIError a_conv = *(LDKAPIError*)(a_ptr);
        a_conv = APIError_clone((LDKAPIError*)(((uint64_t)a) & ~1));
        LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
        *ret_copy = PaymentSendFailure_parameter_error(a_conv);
@@ -16232,7 +16816,9 @@ uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_path_para
        uint32_t* a_vals = (uint32_t*)(a + 4);
        for (size_t w = 0; w < a_constr.datalen; w++) {
                uint32_t a_conv_22 = a_vals[w];
-               LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1);
+               void* a_conv_22_ptr = (void*)(((uint64_t)a_conv_22) & ~1);
+               CHECK_ACCESS(a_conv_22_ptr);
+               LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(a_conv_22_ptr);
                a_conv_22_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1));
                a_constr.data[w] = a_conv_22_conv;
        }
@@ -16252,7 +16838,9 @@ uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_all_faile
        uint32_t* a_vals = (uint32_t*)(a + 4);
        for (size_t k = 0; k < a_constr.datalen; k++) {
                uint32_t a_conv_10 = a_vals[k];
-               LDKAPIError a_conv_10_conv = *(LDKAPIError*)(((uint64_t)a_conv_10) & ~1);
+               void* a_conv_10_ptr = (void*)(((uint64_t)a_conv_10) & ~1);
+               CHECK_ACCESS(a_conv_10_ptr);
+               LDKAPIError a_conv_10_conv = *(LDKAPIError*)(a_conv_10_ptr);
                a_conv_10_conv = APIError_clone((LDKAPIError*)(((uint64_t)a_conv_10) & ~1));
                a_constr.data[k] = a_conv_10_conv;
        }
@@ -16272,7 +16860,9 @@ uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_partial_f
        uint32_t* a_vals = (uint32_t*)(a + 4);
        for (size_t w = 0; w < a_constr.datalen; w++) {
                uint32_t a_conv_22 = a_vals[w];
-               LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1);
+               void* a_conv_22_ptr = (void*)(((uint64_t)a_conv_22) & ~1);
+               CHECK_ACCESS(a_conv_22_ptr);
+               LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(a_conv_22_ptr);
                a_conv_22_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1));
                a_constr.data[w] = a_conv_22_conv;
        }
@@ -16283,11 +16873,21 @@ uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_partial_f
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_ChannelManager_new(uint32_t fee_est, uint32_t chain_monitor, uint32_t tx_broadcaster, uint32_t logger, uint32_t keys_manager, uint32_t config, uint32_t params) {
-       LDKFeeEstimator fee_est_conv = *(LDKFeeEstimator*)(((uint64_t)fee_est) & ~1);
-       LDKWatch chain_monitor_conv = *(LDKWatch*)(((uint64_t)chain_monitor) & ~1);
-       LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)tx_broadcaster) & ~1);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
-       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
+       void* fee_est_ptr = (void*)(((uint64_t)fee_est) & ~1);
+       CHECK_ACCESS(fee_est_ptr);
+       LDKFeeEstimator fee_est_conv = *(LDKFeeEstimator*)(fee_est_ptr);
+       void* chain_monitor_ptr = (void*)(((uint64_t)chain_monitor) & ~1);
+       CHECK_ACCESS(chain_monitor_ptr);
+       LDKWatch chain_monitor_conv = *(LDKWatch*)(chain_monitor_ptr);
+       void* tx_broadcaster_ptr = (void*)(((uint64_t)tx_broadcaster) & ~1);
+       CHECK_ACCESS(tx_broadcaster_ptr);
+       LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(tx_broadcaster_ptr);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
+       void* keys_manager_ptr = (void*)(((uint64_t)keys_manager) & ~1);
+       CHECK_ACCESS(keys_manager_ptr);
+       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(keys_manager_ptr);
        LDKUserConfig config_conv;
        config_conv.inner = (void*)(config & (~1));
        config_conv.is_owned = (config & 1) || (config == 0);
@@ -16510,7 +17110,9 @@ void  __attribute__((visibility("default"))) TS_ChannelManager_broadcast_node_an
        uint32_t* addresses_vals = (uint32_t*)(addresses + 4);
        for (size_t m = 0; m < addresses_constr.datalen; m++) {
                uint32_t addresses_conv_12 = addresses_vals[m];
-               LDKNetAddress addresses_conv_12_conv = *(LDKNetAddress*)(((uint64_t)addresses_conv_12) & ~1);
+               void* addresses_conv_12_ptr = (void*)(((uint64_t)addresses_conv_12) & ~1);
+               CHECK_ACCESS(addresses_conv_12_ptr);
+               LDKNetAddress addresses_conv_12_conv = *(LDKNetAddress*)(addresses_conv_12_ptr);
                addresses_constr.data[m] = addresses_conv_12_conv;
        }
        ChannelManager_broadcast_node_announcement(&this_arg_conv, rgb_ref, alias_ref, addresses_constr);
@@ -16576,7 +17178,9 @@ uint32_t  __attribute__((visibility("default"))) TS_ChannelManager_create_inboun
        LDKChannelManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKCOption_u64Z min_value_msat_conv = *(LDKCOption_u64Z*)(((uint64_t)min_value_msat) & ~1);
+       void* min_value_msat_ptr = (void*)(((uint64_t)min_value_msat) & ~1);
+       CHECK_ACCESS(min_value_msat_ptr);
+       LDKCOption_u64Z min_value_msat_conv = *(LDKCOption_u64Z*)(min_value_msat_ptr);
        min_value_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)min_value_msat) & ~1));
        LDKC2Tuple_PaymentHashPaymentSecretZ* ret_conv = MALLOC(sizeof(LDKC2Tuple_PaymentHashPaymentSecretZ), "LDKC2Tuple_PaymentHashPaymentSecretZ");
        *ret_conv = ChannelManager_create_inbound_payment(&this_arg_conv, min_value_msat_conv, invoice_expiry_delta_secs, user_payment_id);
@@ -16590,7 +17194,9 @@ uint32_t  __attribute__((visibility("default"))) TS_ChannelManager_create_inboun
        LDKThirtyTwoBytes payment_hash_ref;
        CHECK(*((uint32_t*)payment_hash) == 32);
        memcpy(payment_hash_ref.data, (uint8_t*)(payment_hash + 4), 32);
-       LDKCOption_u64Z min_value_msat_conv = *(LDKCOption_u64Z*)(((uint64_t)min_value_msat) & ~1);
+       void* min_value_msat_ptr = (void*)(((uint64_t)min_value_msat) & ~1);
+       CHECK_ACCESS(min_value_msat_ptr);
+       LDKCOption_u64Z min_value_msat_conv = *(LDKCOption_u64Z*)(min_value_msat_ptr);
        min_value_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)min_value_msat) & ~1));
        LDKCResult_PaymentSecretAPIErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_PaymentSecretAPIErrorZ), "LDKCResult_PaymentSecretAPIErrorZ");
        *ret_conv = ChannelManager_create_inbound_payment_for_hash(&this_arg_conv, payment_hash_ref, min_value_msat_conv, invoice_expiry_delta_secs, user_payment_id);
@@ -16701,7 +17307,9 @@ void  __attribute__((visibility("default"))) TS_ChannelManagerReadArgs_set_keys_
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKKeysInterface val_conv = *(LDKKeysInterface*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKKeysInterface val_conv = *(LDKKeysInterface*)(val_ptr);
        ChannelManagerReadArgs_set_keys_manager(&this_ptr_conv, val_conv);
 }
 
@@ -16717,7 +17325,9 @@ void  __attribute__((visibility("default"))) TS_ChannelManagerReadArgs_set_fee_e
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKFeeEstimator val_conv = *(LDKFeeEstimator*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKFeeEstimator val_conv = *(LDKFeeEstimator*)(val_ptr);
        ChannelManagerReadArgs_set_fee_estimator(&this_ptr_conv, val_conv);
 }
 
@@ -16733,7 +17343,9 @@ void  __attribute__((visibility("default"))) TS_ChannelManagerReadArgs_set_chain
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKWatch val_conv = *(LDKWatch*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKWatch val_conv = *(LDKWatch*)(val_ptr);
        ChannelManagerReadArgs_set_chain_monitor(&this_ptr_conv, val_conv);
 }
 
@@ -16749,7 +17361,9 @@ void  __attribute__((visibility("default"))) TS_ChannelManagerReadArgs_set_tx_br
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKBroadcasterInterface val_conv = *(LDKBroadcasterInterface*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKBroadcasterInterface val_conv = *(LDKBroadcasterInterface*)(val_ptr);
        ChannelManagerReadArgs_set_tx_broadcaster(&this_ptr_conv, val_conv);
 }
 
@@ -16765,7 +17379,9 @@ void  __attribute__((visibility("default"))) TS_ChannelManagerReadArgs_set_logge
        LDKChannelManagerReadArgs this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKLogger val_conv = *(LDKLogger*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKLogger val_conv = *(LDKLogger*)(val_ptr);
        ChannelManagerReadArgs_set_logger(&this_ptr_conv, val_conv);
 }
 
@@ -16795,11 +17411,21 @@ void  __attribute__((visibility("default"))) TS_ChannelManagerReadArgs_set_defau
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_ChannelManagerReadArgs_new(uint32_t keys_manager, uint32_t fee_estimator, uint32_t chain_monitor, uint32_t tx_broadcaster, uint32_t logger, uint32_t default_config, uint32_tArray channel_monitors) {
-       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
-       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
-       LDKWatch chain_monitor_conv = *(LDKWatch*)(((uint64_t)chain_monitor) & ~1);
-       LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)tx_broadcaster) & ~1);
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* keys_manager_ptr = (void*)(((uint64_t)keys_manager) & ~1);
+       CHECK_ACCESS(keys_manager_ptr);
+       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(keys_manager_ptr);
+       void* fee_estimator_ptr = (void*)(((uint64_t)fee_estimator) & ~1);
+       CHECK_ACCESS(fee_estimator_ptr);
+       LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(fee_estimator_ptr);
+       void* chain_monitor_ptr = (void*)(((uint64_t)chain_monitor) & ~1);
+       CHECK_ACCESS(chain_monitor_ptr);
+       LDKWatch chain_monitor_conv = *(LDKWatch*)(chain_monitor_ptr);
+       void* tx_broadcaster_ptr = (void*)(((uint64_t)tx_broadcaster) & ~1);
+       CHECK_ACCESS(tx_broadcaster_ptr);
+       LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(tx_broadcaster_ptr);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        LDKUserConfig default_config_conv;
        default_config_conv.inner = (void*)(default_config & (~1));
        default_config_conv.is_owned = (default_config & 1) || (default_config == 0);
@@ -19072,7 +19698,9 @@ uint32_t  __attribute__((visibility("default"))) TS_AnnouncementSignatures_clone
 
 void  __attribute__((visibility("default"))) TS_NetAddress_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKNetAddress this_ptr_conv = *(LDKNetAddress*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKNetAddress this_ptr_conv = *(LDKNetAddress*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        NetAddress_free(this_ptr_conv);
 }
@@ -19269,7 +19897,9 @@ void  __attribute__((visibility("default"))) TS_UnsignedNodeAnnouncement_set_add
        uint32_t* val_vals = (uint32_t*)(val + 4);
        for (size_t m = 0; m < val_constr.datalen; m++) {
                uint32_t val_conv_12 = val_vals[m];
-               LDKNetAddress val_conv_12_conv = *(LDKNetAddress*)(((uint64_t)val_conv_12) & ~1);
+               void* val_conv_12_ptr = (void*)(((uint64_t)val_conv_12) & ~1);
+               CHECK_ACCESS(val_conv_12_ptr);
+               LDKNetAddress val_conv_12_conv = *(LDKNetAddress*)(val_conv_12_ptr);
                val_conv_12_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)val_conv_12) & ~1));
                val_constr.data[m] = val_conv_12_conv;
        }
@@ -20356,7 +20986,9 @@ uint32_t  __attribute__((visibility("default"))) TS_GossipTimestampFilter_clone(
 
 void  __attribute__((visibility("default"))) TS_ErrorAction_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKErrorAction this_ptr_conv = *(LDKErrorAction*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKErrorAction this_ptr_conv = *(LDKErrorAction*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        ErrorAction_free(this_ptr_conv);
 }
@@ -20445,14 +21077,18 @@ void  __attribute__((visibility("default"))) TS_LightningError_set_action(uint32
        LDKLightningError this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKErrorAction val_conv = *(LDKErrorAction*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKErrorAction val_conv = *(LDKErrorAction*)(val_ptr);
        val_conv = ErrorAction_clone((LDKErrorAction*)(((uint64_t)val) & ~1));
        LightningError_set_action(&this_ptr_conv, val_conv);
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_LightningError_new(jstring err_arg, uint32_t action_arg) {
        LDKStr err_arg_conv = str_ref_to_owned_c(err_arg);
-       LDKErrorAction action_arg_conv = *(LDKErrorAction*)(((uint64_t)action_arg) & ~1);
+       void* action_arg_ptr = (void*)(((uint64_t)action_arg) & ~1);
+       CHECK_ACCESS(action_arg_ptr);
+       LDKErrorAction action_arg_conv = *(LDKErrorAction*)(action_arg_ptr);
        action_arg_conv = ErrorAction_clone((LDKErrorAction*)(((uint64_t)action_arg) & ~1));
        LDKLightningError ret_var = LightningError_new(err_arg_conv, action_arg_conv);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -20802,14 +21438,18 @@ uint32_t  __attribute__((visibility("default"))) TS_CommitmentUpdate_clone(uint3
 
 void  __attribute__((visibility("default"))) TS_ChannelMessageHandler_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKChannelMessageHandler this_ptr_conv = *(LDKChannelMessageHandler*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKChannelMessageHandler this_ptr_conv = *(LDKChannelMessageHandler*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        ChannelMessageHandler_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_RoutingMessageHandler_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKRoutingMessageHandler this_ptr_conv = *(LDKRoutingMessageHandler*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKRoutingMessageHandler this_ptr_conv = *(LDKRoutingMessageHandler*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        RoutingMessageHandler_free(this_ptr_conv);
 }
@@ -21464,7 +22104,9 @@ uint32_t  __attribute__((visibility("default"))) TS_GossipTimestampFilter_read(i
 
 void  __attribute__((visibility("default"))) TS_CustomMessageHandler_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKCustomMessageHandler this_ptr_conv = *(LDKCustomMessageHandler*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKCustomMessageHandler this_ptr_conv = *(LDKCustomMessageHandler*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        CustomMessageHandler_free(this_ptr_conv);
 }
@@ -21578,7 +22220,9 @@ void  __attribute__((visibility("default"))) TS_MessageHandler_set_chan_handler(
        LDKMessageHandler this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKChannelMessageHandler val_conv = *(LDKChannelMessageHandler*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKChannelMessageHandler val_conv = *(LDKChannelMessageHandler*)(val_ptr);
        MessageHandler_set_chan_handler(&this_ptr_conv, val_conv);
 }
 
@@ -21594,13 +22238,19 @@ void  __attribute__((visibility("default"))) TS_MessageHandler_set_route_handler
        LDKMessageHandler this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKRoutingMessageHandler val_conv = *(LDKRoutingMessageHandler*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKRoutingMessageHandler val_conv = *(LDKRoutingMessageHandler*)(val_ptr);
        MessageHandler_set_route_handler(&this_ptr_conv, val_conv);
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_MessageHandler_new(uint32_t chan_handler_arg, uint32_t route_handler_arg) {
-       LDKChannelMessageHandler chan_handler_arg_conv = *(LDKChannelMessageHandler*)(((uint64_t)chan_handler_arg) & ~1);
-       LDKRoutingMessageHandler route_handler_arg_conv = *(LDKRoutingMessageHandler*)(((uint64_t)route_handler_arg) & ~1);
+       void* chan_handler_arg_ptr = (void*)(((uint64_t)chan_handler_arg) & ~1);
+       CHECK_ACCESS(chan_handler_arg_ptr);
+       LDKChannelMessageHandler chan_handler_arg_conv = *(LDKChannelMessageHandler*)(chan_handler_arg_ptr);
+       void* route_handler_arg_ptr = (void*)(((uint64_t)route_handler_arg) & ~1);
+       CHECK_ACCESS(route_handler_arg_ptr);
+       LDKRoutingMessageHandler route_handler_arg_conv = *(LDKRoutingMessageHandler*)(route_handler_arg_ptr);
        LDKMessageHandler ret_var = MessageHandler_new(chan_handler_arg_conv, route_handler_arg_conv);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -21612,7 +22262,9 @@ uint32_t  __attribute__((visibility("default"))) TS_MessageHandler_new(uint32_t
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_SocketDescriptor_clone(uint32_t orig) {
-       LDKSocketDescriptor* orig_conv = (LDKSocketDescriptor*)(((uint64_t)orig) & ~1);
+       void* orig_ptr = (void*)(((uint64_t)orig) & ~1);
+       if (!(orig & 1)) { CHECK_ACCESS(orig_ptr); }
+       LDKSocketDescriptor* orig_conv = (LDKSocketDescriptor*)orig_ptr;
        LDKSocketDescriptor* ret_ret =MALLOC(sizeof(LDKSocketDescriptor), "LDKSocketDescriptor");
        *ret_ret = SocketDescriptor_clone(orig_conv);
        return (uint64_t)ret_ret;
@@ -21620,7 +22272,9 @@ uint32_t  __attribute__((visibility("default"))) TS_SocketDescriptor_clone(uint3
 
 void  __attribute__((visibility("default"))) TS_SocketDescriptor_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKSocketDescriptor this_ptr_conv = *(LDKSocketDescriptor*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKSocketDescriptor this_ptr_conv = *(LDKSocketDescriptor*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        SocketDescriptor_free(this_ptr_conv);
 }
@@ -21691,8 +22345,12 @@ uint32_t  __attribute__((visibility("default"))) TS_PeerManager_new(uint32_t mes
        CHECK(*((uint32_t*)ephemeral_random_data) == 32);
        memcpy(ephemeral_random_data_arr, (uint8_t*)(ephemeral_random_data + 4), 32);
        unsigned char (*ephemeral_random_data_ref)[32] = &ephemeral_random_data_arr;
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
-       LDKCustomMessageHandler custom_message_handler_conv = *(LDKCustomMessageHandler*)(((uint64_t)custom_message_handler) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
+       void* custom_message_handler_ptr = (void*)(((uint64_t)custom_message_handler) & ~1);
+       CHECK_ACCESS(custom_message_handler_ptr);
+       LDKCustomMessageHandler custom_message_handler_conv = *(LDKCustomMessageHandler*)(custom_message_handler_ptr);
        LDKPeerManager ret_var = PeerManager_new(message_handler_conv, our_node_secret_ref, ephemeral_random_data_ref, logger_conv, custom_message_handler_conv);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -21726,7 +22384,9 @@ uint32_t  __attribute__((visibility("default"))) TS_PeerManager_new_outbound_con
        LDKPublicKey their_node_id_ref;
        CHECK(*((uint32_t*)their_node_id) == 33);
        memcpy(their_node_id_ref.compressed_form, (uint8_t*)(their_node_id + 4), 33);
-       LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
+       void* descriptor_ptr = (void*)(((uint64_t)descriptor) & ~1);
+       CHECK_ACCESS(descriptor_ptr);
+       LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(descriptor_ptr);
        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 (uint64_t)ret_conv;
@@ -21736,7 +22396,9 @@ uint32_t  __attribute__((visibility("default"))) TS_PeerManager_new_inbound_conn
        LDKPeerManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
+       void* descriptor_ptr = (void*)(((uint64_t)descriptor) & ~1);
+       CHECK_ACCESS(descriptor_ptr);
+       LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(descriptor_ptr);
        LDKCResult_NonePeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePeerHandleErrorZ), "LDKCResult_NonePeerHandleErrorZ");
        *ret_conv = PeerManager_new_inbound_connection(&this_arg_conv, descriptor_conv);
        return (uint64_t)ret_conv;
@@ -21746,7 +22408,9 @@ uint32_t  __attribute__((visibility("default"))) TS_PeerManager_write_buffer_spa
        LDKPeerManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKSocketDescriptor* descriptor_conv = (LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
+       void* descriptor_ptr = (void*)(((uint64_t)descriptor) & ~1);
+       if (!(descriptor & 1)) { CHECK_ACCESS(descriptor_ptr); }
+       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 (uint64_t)ret_conv;
@@ -21756,7 +22420,9 @@ uint32_t  __attribute__((visibility("default"))) TS_PeerManager_read_event(uint3
        LDKPeerManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKSocketDescriptor* peer_descriptor_conv = (LDKSocketDescriptor*)(((uint64_t)peer_descriptor) & ~1);
+       void* peer_descriptor_ptr = (void*)(((uint64_t)peer_descriptor) & ~1);
+       if (!(peer_descriptor & 1)) { CHECK_ACCESS(peer_descriptor_ptr); }
+       LDKSocketDescriptor* peer_descriptor_conv = (LDKSocketDescriptor*)peer_descriptor_ptr;
        LDKu8slice data_ref;
        data_ref.datalen = *((uint32_t*)data);
        data_ref.data = (int8_t*)(data + 4);
@@ -21776,7 +22442,9 @@ void  __attribute__((visibility("default"))) TS_PeerManager_socket_disconnected(
        LDKPeerManager this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKSocketDescriptor* descriptor_conv = (LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
+       void* descriptor_ptr = (void*)(((uint64_t)descriptor) & ~1);
+       if (!(descriptor & 1)) { CHECK_ACCESS(descriptor_ptr); }
+       LDKSocketDescriptor* descriptor_conv = (LDKSocketDescriptor*)descriptor_ptr;
        PeerManager_socket_disconnected(&this_arg_conv, descriptor_conv);
 }
 
@@ -22337,7 +23005,9 @@ void  __attribute__((visibility("default"))) TS_HTLCOutputInCommitment_set_trans
        LDKHTLCOutputInCommitment this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u32Z val_conv = *(LDKCOption_u32Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u32Z val_conv = *(LDKCOption_u32Z*)(val_ptr);
        val_conv = COption_u32Z_clone((LDKCOption_u32Z*)(((uint64_t)val) & ~1));
        HTLCOutputInCommitment_set_transaction_output_index(&this_ptr_conv, val_conv);
 }
@@ -22346,7 +23016,9 @@ uint32_t  __attribute__((visibility("default"))) TS_HTLCOutputInCommitment_new(j
        LDKThirtyTwoBytes payment_hash_arg_ref;
        CHECK(*((uint32_t*)payment_hash_arg) == 32);
        memcpy(payment_hash_arg_ref.data, (uint8_t*)(payment_hash_arg + 4), 32);
-       LDKCOption_u32Z transaction_output_index_arg_conv = *(LDKCOption_u32Z*)(((uint64_t)transaction_output_index_arg) & ~1);
+       void* transaction_output_index_arg_ptr = (void*)(((uint64_t)transaction_output_index_arg) & ~1);
+       CHECK_ACCESS(transaction_output_index_arg_ptr);
+       LDKCOption_u32Z transaction_output_index_arg_conv = *(LDKCOption_u32Z*)(transaction_output_index_arg_ptr);
        transaction_output_index_arg_conv = COption_u32Z_clone((LDKCOption_u32Z*)(((uint64_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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -23063,6 +23735,28 @@ void  __attribute__((visibility("default"))) TS_ClosingTransaction_free(uint32_t
        ClosingTransaction_free(this_obj_conv);
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_ClosingTransaction_clone(uint32_t orig) {
+       LDKClosingTransaction orig_conv;
+       orig_conv.inner = (void*)(orig & (~1));
+       orig_conv.is_owned = false;
+       LDKClosingTransaction ret_var = ClosingTransaction_clone(&orig_conv);
+       CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
+       CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
+       uint64_t ret_ref = (uint64_t)ret_var.inner;
+       if (ret_var.is_owned) {
+               ret_ref |= 1;
+       }
+       return ret_ref;
+}
+
+int64_t  __attribute__((visibility("default"))) TS_ClosingTransaction_hash(uint32_t o) {
+       LDKClosingTransaction o_conv;
+       o_conv.inner = (void*)(o & (~1));
+       o_conv.is_owned = false;
+       int64_t ret_val = ClosingTransaction_hash(&o_conv);
+       return ret_val;
+}
+
 uint32_t  __attribute__((visibility("default"))) TS_ClosingTransaction_new(int64_t to_holder_value_sat, int64_t to_counterparty_value_sat, int8_tArray to_holder_script, int8_tArray to_counterparty_script, uint32_t funding_outpoint) {
        LDKCVec_u8Z to_holder_script_ref;
        to_holder_script_ref.datalen = *((uint32_t*)to_holder_script);
@@ -23787,6 +24481,20 @@ uint32_t  __attribute__((visibility("default"))) TS_InvalidShutdownScript_new(in
        return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_InvalidShutdownScript_clone(uint32_t orig) {
+       LDKInvalidShutdownScript orig_conv;
+       orig_conv.inner = (void*)(orig & (~1));
+       orig_conv.is_owned = false;
+       LDKInvalidShutdownScript ret_var = InvalidShutdownScript_clone(&orig_conv);
+       CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
+       CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
+       uint64_t ret_ref = (uint64_t)ret_var.inner;
+       if (ret_var.is_owned) {
+               ret_ref |= 1;
+       }
+       return ret_ref;
+}
+
 int8_tArray  __attribute__((visibility("default"))) TS_ShutdownScript_write(uint32_t obj) {
        LDKShutdownScript obj_conv;
        obj_conv.inner = (void*)(obj & (~1));
@@ -23880,13 +24588,17 @@ jboolean  __attribute__((visibility("default"))) TS_ShutdownScript_is_compatible
 
 void  __attribute__((visibility("default"))) TS_CustomMessageReader_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKCustomMessageReader this_ptr_conv = *(LDKCustomMessageReader*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKCustomMessageReader this_ptr_conv = *(LDKCustomMessageReader*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        CustomMessageReader_free(this_ptr_conv);
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_Type_clone(uint32_t orig) {
-       LDKType* orig_conv = (LDKType*)(((uint64_t)orig) & ~1);
+       void* orig_ptr = (void*)(((uint64_t)orig) & ~1);
+       if (!(orig & 1)) { CHECK_ACCESS(orig_ptr); }
+       LDKType* orig_conv = (LDKType*)orig_ptr;
        LDKType* ret_ret =MALLOC(sizeof(LDKType), "LDKType");
        *ret_ret = Type_clone(orig_conv);
        return (uint64_t)ret_ret;
@@ -23894,14 +24606,18 @@ uint32_t  __attribute__((visibility("default"))) TS_Type_clone(uint32_t orig) {
 
 void  __attribute__((visibility("default"))) TS_Type_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKType this_ptr_conv = *(LDKType*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKType this_ptr_conv = *(LDKType*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Type_free(this_ptr_conv);
 }
 
 void  __attribute__((visibility("default"))) TS_Score_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKScore this_ptr_conv = *(LDKScore*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKScore this_ptr_conv = *(LDKScore*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Score_free(this_ptr_conv);
 }
@@ -24009,7 +24725,9 @@ void  __attribute__((visibility("default"))) TS_ReadOnlyNetworkGraph_free(uint32
 
 void  __attribute__((visibility("default"))) TS_NetworkUpdate_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKNetworkUpdate this_ptr_conv = *(LDKNetworkUpdate*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKNetworkUpdate this_ptr_conv = *(LDKNetworkUpdate*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        NetworkUpdate_free(this_ptr_conv);
 }
@@ -24105,12 +24823,16 @@ uint32_t  __attribute__((visibility("default"))) TS_NetGraphMsgHandler_new(uint3
        network_graph_conv.inner = (void*)(network_graph & (~1));
        network_graph_conv.is_owned = (network_graph & 1) || (network_graph == 0);
        network_graph_conv = NetworkGraph_clone(&network_graph_conv);
-       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(((uint64_t)chain_access) & ~1);
+       void* chain_access_ptr = (void*)(((uint64_t)chain_access) & ~1);
+       CHECK_ACCESS(chain_access_ptr);
+       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(chain_access_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_AccessZ
        if (chain_access_conv.tag == LDKCOption_AccessZ_Some) {
                // Manually implement clone for Java trait instances
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        LDKNetGraphMsgHandler ret_var = NetGraphMsgHandler_new(network_graph_conv, chain_access_conv, logger_conv);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -24125,7 +24847,9 @@ void  __attribute__((visibility("default"))) TS_NetGraphMsgHandler_add_chain_acc
        LDKNetGraphMsgHandler this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(((uint64_t)chain_access) & ~1);
+       void* chain_access_ptr = (void*)(((uint64_t)chain_access) & ~1);
+       CHECK_ACCESS(chain_access_ptr);
+       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(chain_access_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_AccessZ
        if (chain_access_conv.tag == LDKCOption_AccessZ_Some) {
                // Manually implement clone for Java trait instances
@@ -24232,7 +24956,9 @@ void  __attribute__((visibility("default"))) TS_DirectionalChannelInfo_set_htlc_
        LDKDirectionalChannelInfo this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        DirectionalChannelInfo_set_htlc_maximum_msat(&this_ptr_conv, val_conv);
 }
@@ -24288,7 +25014,9 @@ void  __attribute__((visibility("default"))) TS_DirectionalChannelInfo_set_last_
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_DirectionalChannelInfo_new(int32_t last_update_arg, jboolean enabled_arg, int16_t cltv_expiry_delta_arg, int64_t htlc_minimum_msat_arg, uint32_t htlc_maximum_msat_arg, uint32_t fees_arg, uint32_t last_update_message_arg) {
-       LDKCOption_u64Z htlc_maximum_msat_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)htlc_maximum_msat_arg) & ~1);
+       void* htlc_maximum_msat_arg_ptr = (void*)(((uint64_t)htlc_maximum_msat_arg) & ~1);
+       CHECK_ACCESS(htlc_maximum_msat_arg_ptr);
+       LDKCOption_u64Z htlc_maximum_msat_arg_conv = *(LDKCOption_u64Z*)(htlc_maximum_msat_arg_ptr);
        htlc_maximum_msat_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)htlc_maximum_msat_arg) & ~1));
        LDKRoutingFees fees_arg_conv;
        fees_arg_conv.inner = (void*)(fees_arg & (~1));
@@ -24488,7 +25216,9 @@ void  __attribute__((visibility("default"))) TS_ChannelInfo_set_capacity_sats(ui
        LDKChannelInfo this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        ChannelInfo_set_capacity_sats(&this_ptr_conv, val_conv);
 }
@@ -24539,7 +25269,9 @@ uint32_t  __attribute__((visibility("default"))) TS_ChannelInfo_new(uint32_t fea
        two_to_one_arg_conv.inner = (void*)(two_to_one_arg & (~1));
        two_to_one_arg_conv.is_owned = (two_to_one_arg & 1) || (two_to_one_arg == 0);
        two_to_one_arg_conv = DirectionalChannelInfo_clone(&two_to_one_arg_conv);
-       LDKCOption_u64Z capacity_sats_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)capacity_sats_arg) & ~1);
+       void* capacity_sats_arg_ptr = (void*)(((uint64_t)capacity_sats_arg) & ~1);
+       CHECK_ACCESS(capacity_sats_arg_ptr);
+       LDKCOption_u64Z capacity_sats_arg_conv = *(LDKCOption_u64Z*)(capacity_sats_arg_ptr);
        capacity_sats_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)capacity_sats_arg) & ~1));
        LDKChannelAnnouncement announcement_message_arg_conv;
        announcement_message_arg_conv.inner = (void*)(announcement_message_arg & (~1));
@@ -24788,7 +25520,9 @@ void  __attribute__((visibility("default"))) TS_NodeAnnouncementInfo_set_address
        uint32_t* val_vals = (uint32_t*)(val + 4);
        for (size_t m = 0; m < val_constr.datalen; m++) {
                uint32_t val_conv_12 = val_vals[m];
-               LDKNetAddress val_conv_12_conv = *(LDKNetAddress*)(((uint64_t)val_conv_12) & ~1);
+               void* val_conv_12_ptr = (void*)(((uint64_t)val_conv_12) & ~1);
+               CHECK_ACCESS(val_conv_12_ptr);
+               LDKNetAddress val_conv_12_conv = *(LDKNetAddress*)(val_conv_12_ptr);
                val_conv_12_conv = NetAddress_clone((LDKNetAddress*)(((uint64_t)val_conv_12) & ~1));
                val_constr.data[m] = val_conv_12_conv;
        }
@@ -24840,7 +25574,9 @@ uint32_t  __attribute__((visibility("default"))) TS_NodeAnnouncementInfo_new(uin
        uint32_t* addresses_arg_vals = (uint32_t*)(addresses_arg + 4);
        for (size_t m = 0; m < addresses_arg_constr.datalen; m++) {
                uint32_t addresses_arg_conv_12 = addresses_arg_vals[m];
-               LDKNetAddress addresses_arg_conv_12_conv = *(LDKNetAddress*)(((uint64_t)addresses_arg_conv_12) & ~1);
+               void* addresses_arg_conv_12_ptr = (void*)(((uint64_t)addresses_arg_conv_12) & ~1);
+               CHECK_ACCESS(addresses_arg_conv_12_ptr);
+               LDKNetAddress addresses_arg_conv_12_conv = *(LDKNetAddress*)(addresses_arg_conv_12_ptr);
                addresses_arg_constr.data[m] = addresses_arg_conv_12_conv;
        }
        LDKNodeAnnouncement announcement_message_arg_conv;
@@ -25109,7 +25845,9 @@ uint32_t  __attribute__((visibility("default"))) TS_NetworkGraph_update_channel_
        LDKChannelAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
-       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(((uint64_t)chain_access) & ~1);
+       void* chain_access_ptr = (void*)(((uint64_t)chain_access) & ~1);
+       CHECK_ACCESS(chain_access_ptr);
+       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(chain_access_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_AccessZ
        if (chain_access_conv.tag == LDKCOption_AccessZ_Some) {
                // Manually implement clone for Java trait instances
@@ -25126,7 +25864,9 @@ uint32_t  __attribute__((visibility("default"))) TS_NetworkGraph_update_channel_
        LDKUnsignedChannelAnnouncement msg_conv;
        msg_conv.inner = (void*)(msg & (~1));
        msg_conv.is_owned = false;
-       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(((uint64_t)chain_access) & ~1);
+       void* chain_access_ptr = (void*)(((uint64_t)chain_access) & ~1);
+       CHECK_ACCESS(chain_access_ptr);
+       LDKCOption_AccessZ chain_access_conv = *(LDKCOption_AccessZ*)(chain_access_ptr);
        // Warning: we may need a move here but no clone is available for LDKCOption_AccessZ
        if (chain_access_conv.tag == LDKCOption_AccessZ_Some) {
                // Manually implement clone for Java trait instances
@@ -25695,7 +26435,9 @@ void  __attribute__((visibility("default"))) TS_RouteHintHop_set_htlc_minimum_ms
        LDKRouteHintHop this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        RouteHintHop_set_htlc_minimum_msat(&this_ptr_conv, val_conv);
 }
@@ -25714,7 +26456,9 @@ void  __attribute__((visibility("default"))) TS_RouteHintHop_set_htlc_maximum_ms
        LDKRouteHintHop this_ptr_conv;
        this_ptr_conv.inner = (void*)(this_ptr & (~1));
        this_ptr_conv.is_owned = false;
-       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(((uint64_t)val) & ~1);
+       void* val_ptr = (void*)(((uint64_t)val) & ~1);
+       CHECK_ACCESS(val_ptr);
+       LDKCOption_u64Z val_conv = *(LDKCOption_u64Z*)(val_ptr);
        val_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)val) & ~1));
        RouteHintHop_set_htlc_maximum_msat(&this_ptr_conv, val_conv);
 }
@@ -25727,9 +26471,13 @@ uint32_t  __attribute__((visibility("default"))) TS_RouteHintHop_new(int8_tArray
        fees_arg_conv.inner = (void*)(fees_arg & (~1));
        fees_arg_conv.is_owned = (fees_arg & 1) || (fees_arg == 0);
        fees_arg_conv = RoutingFees_clone(&fees_arg_conv);
-       LDKCOption_u64Z htlc_minimum_msat_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)htlc_minimum_msat_arg) & ~1);
+       void* htlc_minimum_msat_arg_ptr = (void*)(((uint64_t)htlc_minimum_msat_arg) & ~1);
+       CHECK_ACCESS(htlc_minimum_msat_arg_ptr);
+       LDKCOption_u64Z htlc_minimum_msat_arg_conv = *(LDKCOption_u64Z*)(htlc_minimum_msat_arg_ptr);
        htlc_minimum_msat_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)htlc_minimum_msat_arg) & ~1));
-       LDKCOption_u64Z htlc_maximum_msat_arg_conv = *(LDKCOption_u64Z*)(((uint64_t)htlc_maximum_msat_arg) & ~1);
+       void* htlc_maximum_msat_arg_ptr = (void*)(((uint64_t)htlc_maximum_msat_arg) & ~1);
+       CHECK_ACCESS(htlc_maximum_msat_arg_ptr);
+       LDKCOption_u64Z htlc_maximum_msat_arg_conv = *(LDKCOption_u64Z*)(htlc_maximum_msat_arg_ptr);
        htlc_maximum_msat_arg_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -25817,8 +26565,12 @@ uint32_t  __attribute__((visibility("default"))) TS_get_keysend_route(int8_tArra
                last_hops_conv_11_conv = RouteHint_clone(&last_hops_conv_11_conv);
                last_hops_constr.data[l] = last_hops_conv_11_conv;
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
-       LDKScore* scorer_conv = (LDKScore*)(((uint64_t)scorer) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
+       void* scorer_ptr = (void*)(((uint64_t)scorer) & ~1);
+       if (!(scorer & 1)) { CHECK_ACCESS(scorer_ptr); }
+       LDKScore* scorer_conv = (LDKScore*)scorer_ptr;
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = get_keysend_route(our_node_pubkey_ref, &network_conv, payee_ref, first_hops_ptr, last_hops_constr, final_value_msat, final_cltv, logger_conv, scorer_conv);
        if (first_hops_ptr != NULL) { FREE(first_hops_constr.data); }
@@ -25872,8 +26624,12 @@ uint32_t  __attribute__((visibility("default"))) TS_get_route(int8_tArray our_no
                last_hops_conv_11_conv = RouteHint_clone(&last_hops_conv_11_conv);
                last_hops_constr.data[l] = last_hops_conv_11_conv;
        }
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
-       LDKScore* scorer_conv = (LDKScore*)(((uint64_t)scorer) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
+       void* scorer_ptr = (void*)(((uint64_t)scorer) & ~1);
+       if (!(scorer & 1)) { CHECK_ACCESS(scorer_ptr); }
+       LDKScore* scorer_conv = (LDKScore*)scorer_ptr;
        LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
        *ret_conv = get_route(our_node_pubkey_ref, &network_conv, payee_ref, payee_features_conv, first_hops_ptr, last_hops_constr, final_value_msat, final_cltv, logger_conv, scorer_conv);
        if (first_hops_ptr != NULL) { FREE(first_hops_constr.data); }
@@ -25961,7 +26717,9 @@ uint32_t  __attribute__((visibility("default"))) TS_FilesystemPersister_read_cha
        LDKFilesystemPersister this_arg_conv;
        this_arg_conv.inner = (void*)(this_arg & (~1));
        this_arg_conv.is_owned = false;
-       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
+       void* keys_manager_ptr = (void*)(((uint64_t)keys_manager) & ~1);
+       CHECK_ACCESS(keys_manager_ptr);
+       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(keys_manager_ptr);
        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 (uint64_t)ret_conv;
@@ -25985,14 +26743,20 @@ void  __attribute__((visibility("default"))) TS_BackgroundProcessor_free(uint32_
 
 void  __attribute__((visibility("default"))) TS_ChannelManagerPersister_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKChannelManagerPersister this_ptr_conv = *(LDKChannelManagerPersister*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKChannelManagerPersister this_ptr_conv = *(LDKChannelManagerPersister*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        ChannelManagerPersister_free(this_ptr_conv);
 }
 
 uint32_t  __attribute__((visibility("default"))) TS_BackgroundProcessor_start(uint32_t persister, uint32_t event_handler, uint32_t chain_monitor, uint32_t channel_manager, uint32_t net_graph_msg_handler, uint32_t peer_manager, uint32_t logger) {
-       LDKChannelManagerPersister persister_conv = *(LDKChannelManagerPersister*)(((uint64_t)persister) & ~1);
-       LDKEventHandler event_handler_conv = *(LDKEventHandler*)(((uint64_t)event_handler) & ~1);
+       void* persister_ptr = (void*)(((uint64_t)persister) & ~1);
+       CHECK_ACCESS(persister_ptr);
+       LDKChannelManagerPersister persister_conv = *(LDKChannelManagerPersister*)(persister_ptr);
+       void* event_handler_ptr = (void*)(((uint64_t)event_handler) & ~1);
+       CHECK_ACCESS(event_handler_ptr);
+       LDKEventHandler event_handler_conv = *(LDKEventHandler*)(event_handler_ptr);
        LDKChainMonitor chain_monitor_conv;
        chain_monitor_conv.inner = (void*)(chain_monitor & (~1));
        chain_monitor_conv.is_owned = false;
@@ -26005,7 +26769,9 @@ uint32_t  __attribute__((visibility("default"))) TS_BackgroundProcessor_start(ui
        LDKPeerManager peer_manager_conv;
        peer_manager_conv.inner = (void*)(peer_manager & (~1));
        peer_manager_conv.is_owned = false;
-       LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
+       void* logger_ptr = (void*)(((uint64_t)logger) & ~1);
+       CHECK_ACCESS(logger_ptr);
+       LDKLogger logger_conv = *(LDKLogger*)(logger_ptr);
        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);
        CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
        CHECK((((uint64_t)&ret_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.
@@ -26535,7 +27301,9 @@ jboolean  __attribute__((visibility("default"))) TS_MinFinalCltvExpiry_eq(uint32
 
 void  __attribute__((visibility("default"))) TS_Fallback_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKFallback this_ptr_conv = *(LDKFallback*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKFallback this_ptr_conv = *(LDKFallback*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        Fallback_free(this_ptr_conv);
 }
@@ -27265,7 +28033,9 @@ jstring  __attribute__((visibility("default"))) TS_SemanticError_to_str(uint32_t
 
 void  __attribute__((visibility("default"))) TS_SignOrCreationError_free(uint32_t this_ptr) {
        if ((this_ptr & 1) != 0) return;
-       LDKSignOrCreationError this_ptr_conv = *(LDKSignOrCreationError*)(((uint64_t)this_ptr) & ~1);
+       void* this_ptr_ptr = (void*)(((uint64_t)this_ptr) & ~1);
+       CHECK_ACCESS(this_ptr_ptr);
+       LDKSignOrCreationError this_ptr_conv = *(LDKSignOrCreationError*)(this_ptr_ptr);
        FREE((void*)this_ptr);
        SignOrCreationError_free(this_ptr_conv);
 }
@@ -27312,9 +28082,13 @@ uint32_t  __attribute__((visibility("default"))) TS_create_invoice_from_channelm
        LDKChannelManager channelmanager_conv;
        channelmanager_conv.inner = (void*)(channelmanager & (~1));
        channelmanager_conv.is_owned = false;
-       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
+       void* keys_manager_ptr = (void*)(((uint64_t)keys_manager) & ~1);
+       CHECK_ACCESS(keys_manager_ptr);
+       LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(keys_manager_ptr);
        LDKCurrency network_conv = LDKCurrency_from_js(network);
-       LDKCOption_u64Z amt_msat_conv = *(LDKCOption_u64Z*)(((uint64_t)amt_msat) & ~1);
+       void* amt_msat_ptr = (void*)(((uint64_t)amt_msat) & ~1);
+       CHECK_ACCESS(amt_msat_ptr);
+       LDKCOption_u64Z amt_msat_conv = *(LDKCOption_u64Z*)(amt_msat_ptr);
        amt_msat_conv = COption_u64Z_clone((LDKCOption_u64Z*)(((uint64_t)amt_msat) & ~1));
        LDKStr description_conv = str_ref_to_owned_c(description);
        LDKCResult_InvoiceSignOrCreationErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_InvoiceSignOrCreationErrorZ), "LDKCResult_InvoiceSignOrCreationErrorZ");
index 0310e0a33a9e65a47078ad8eb20e580c62f48731..ee4d6c6db6f7b033c06b2b9d34df98cc819bbc89 100644 (file)
@@ -260,7 +260,6 @@ public static native long new_empty_slice_vec();
        public static native boolean LDKCResult_TxOutAccessErrorZ_result_ok(long arg);
        public static native number LDKCResult_TxOutAccessErrorZ_get_ok(long arg);
        public static native AccessError LDKCResult_TxOutAccessErrorZ_get_err(long arg);
-       public static native long LDKC2Tuple_usizeTransactionZ_new(number a, Uint8Array b);
        // uintptr_t C2Tuple_usizeTransactionZ_get_a(LDKC2Tuple_usizeTransactionZ *NONNULL_PTR tuple);
        export function C2Tuple_usizeTransactionZ_get_a(tuple: number): number {
                if(!isWasmInitialized) {
@@ -507,7 +506,6 @@ public static native long new_empty_slice_vec();
        public static native boolean LDKCResult_NoneNoneZ_result_ok(long arg);
        public static native void LDKCResult_NoneNoneZ_get_ok(long arg);
        public static native void LDKCResult_NoneNoneZ_get_err(long arg);
-       public static native long LDKC2Tuple_SignatureCVec_SignatureZZ_new(Uint8Array a, Uint8Array[] b);
        // struct LDKSignature C2Tuple_SignatureCVec_SignatureZZ_get_a(LDKC2Tuple_SignatureCVec_SignatureZZ *NONNULL_PTR tuple);
        export function C2Tuple_SignatureCVec_SignatureZZ_get_a(tuple: number): Uint8Array {
                if(!isWasmInitialized) {
@@ -710,7 +708,6 @@ public static native long new_empty_slice_vec();
        public static native boolean LDKCResult_TransactionNoneZ_result_ok(long arg);
        public static native Uint8Array LDKCResult_TransactionNoneZ_get_ok(long arg);
        public static native void LDKCResult_TransactionNoneZ_get_err(long arg);
-       public static native long LDKC2Tuple_BlockHashChannelMonitorZ_new(Uint8Array a, number b);
        // struct LDKThirtyTwoBytes C2Tuple_BlockHashChannelMonitorZ_get_a(LDKC2Tuple_BlockHashChannelMonitorZ *NONNULL_PTR tuple);
        export function C2Tuple_BlockHashChannelMonitorZ_get_a(tuple: number): Uint8Array {
                if(!isWasmInitialized) {
@@ -813,7 +810,6 @@ public static native long new_empty_slice_vec();
        public static native boolean LDKCResult_NonePaymentSendFailureZ_result_ok(long arg);
        public static native void LDKCResult_NonePaymentSendFailureZ_get_ok(long arg);
        public static native number LDKCResult_NonePaymentSendFailureZ_get_err(long arg);
-       public static native long LDKC2Tuple_PaymentHashPaymentIdZ_new(Uint8Array a, number b);
        // struct LDKThirtyTwoBytes C2Tuple_PaymentHashPaymentIdZ_get_a(LDKC2Tuple_PaymentHashPaymentIdZ *NONNULL_PTR tuple);
        export function C2Tuple_PaymentHashPaymentIdZ_get_a(tuple: number): Uint8Array {
                if(!isWasmInitialized) {
@@ -862,7 +858,6 @@ public static native long new_empty_slice_vec();
        static { LDKNetAddress.init(); }
        public static native LDKNetAddress LDKNetAddress_ref_from_ptr(long ptr);
        public static native long LDKCVec_NetAddressZ_new(number[] elems);
-       public static native long LDKC2Tuple_PaymentHashPaymentSecretZ_new(Uint8Array a, Uint8Array b);
        // struct LDKThirtyTwoBytes C2Tuple_PaymentHashPaymentSecretZ_get_a(LDKC2Tuple_PaymentHashPaymentSecretZ *NONNULL_PTR tuple);
        export function C2Tuple_PaymentHashPaymentSecretZ_get_a(tuple: number): Uint8Array {
                if(!isWasmInitialized) {
@@ -1067,7 +1062,6 @@ public static native long new_empty_slice_vec();
 // OUT_TYPESCRIPT_BINDINGS :: MAP_TRAIT :: END
 
 
-       public static native long LDKC2Tuple_BlockHashChannelManagerZ_new(Uint8Array a, number b);
        // struct LDKThirtyTwoBytes C2Tuple_BlockHashChannelManagerZ_get_a(LDKC2Tuple_BlockHashChannelManagerZ *NONNULL_PTR tuple);
        export function C2Tuple_BlockHashChannelManagerZ_get_a(tuple: number): Uint8Array {
                if(!isWasmInitialized) {
@@ -1160,7 +1154,6 @@ public static native long new_empty_slice_vec();
        public static native boolean LDKCResult_SignedRawInvoiceNoneZ_result_ok(long arg);
        public static native number LDKCResult_SignedRawInvoiceNoneZ_get_ok(long arg);
        public static native void LDKCResult_SignedRawInvoiceNoneZ_get_err(long arg);
-       public static native long LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ_new(number a, Uint8Array b, number c);
        // struct LDKRawInvoice C3Tuple_RawInvoice_u832InvoiceSignatureZ_get_a(LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ *NONNULL_PTR tuple);
        export function C3Tuple_RawInvoice_u832InvoiceSignatureZ_get_a(tuple: number): number {
                if(!isWasmInitialized) {
@@ -1219,7 +1212,6 @@ public static native long new_empty_slice_vec();
        public static native boolean LDKCResult_NoneMonitorUpdateErrorZ_result_ok(long arg);
        public static native void LDKCResult_NoneMonitorUpdateErrorZ_get_ok(long arg);
        public static native number LDKCResult_NoneMonitorUpdateErrorZ_get_err(long arg);
-       public static native long LDKC2Tuple_OutPointScriptZ_new(number a, Uint8Array b);
        // struct LDKOutPoint C2Tuple_OutPointScriptZ_get_a(LDKC2Tuple_OutPointScriptZ *NONNULL_PTR tuple);
        export function C2Tuple_OutPointScriptZ_get_a(tuple: number): number {
                if(!isWasmInitialized) {
@@ -1236,7 +1228,6 @@ public static native long new_empty_slice_vec();
                const nativeResponseValue = wasm.C2Tuple_OutPointScriptZ_get_b(tuple);
                return decodeArray(nativeResponseValue);
        }
-       public static native long LDKC2Tuple_u32ScriptZ_new(number a, Uint8Array b);
        // uint32_t C2Tuple_u32ScriptZ_get_a(LDKC2Tuple_u32ScriptZ *NONNULL_PTR tuple);
        export function C2Tuple_u32ScriptZ_get_a(tuple: number): number {
                if(!isWasmInitialized) {
@@ -1254,7 +1245,6 @@ public static native long new_empty_slice_vec();
                return decodeArray(nativeResponseValue);
        }
        public static native long LDKCVec_C2Tuple_u32ScriptZZ_new(number[] elems);
-       public static native long LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_new(Uint8Array a, number[] b);
        // struct LDKThirtyTwoBytes C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_get_a(LDKC2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ *NONNULL_PTR tuple);
        export function C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZ_get_a(tuple: number): Uint8Array {
                if(!isWasmInitialized) {
@@ -1375,7 +1365,6 @@ public static native long new_empty_slice_vec();
        static { LDKEvent.init(); }
        public static native LDKEvent LDKEvent_ref_from_ptr(long ptr);
        public static native long LDKCVec_EventZ_new(number[] elems);
-       public static native long LDKC2Tuple_u32TxOutZ_new(number a, number b);
        // uint32_t C2Tuple_u32TxOutZ_get_a(LDKC2Tuple_u32TxOutZ *NONNULL_PTR tuple);
        export function C2Tuple_u32TxOutZ_get_a(tuple: number): number {
                if(!isWasmInitialized) {
@@ -1393,7 +1382,6 @@ public static native long new_empty_slice_vec();
                return nativeResponseValue;
        }
        public static native long LDKCVec_C2Tuple_u32TxOutZZ_new(number[] elems);
-       public static native long LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_new(Uint8Array a, number[] b);
        // struct LDKThirtyTwoBytes C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_get_a(LDKC2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ *NONNULL_PTR tuple);
        export function C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_get_a(tuple: number): Uint8Array {
                if(!isWasmInitialized) {
@@ -1443,7 +1431,6 @@ public static native long new_empty_slice_vec();
        public static native boolean LDKCResult_NoneLightningErrorZ_result_ok(long arg);
        public static native void LDKCResult_NoneLightningErrorZ_get_ok(long arg);
        public static native number LDKCResult_NoneLightningErrorZ_get_err(long arg);
-       public static native long LDKC2Tuple_PublicKeyTypeZ_new(Uint8Array a, number b);
        // struct LDKPublicKey C2Tuple_PublicKeyTypeZ_get_a(LDKC2Tuple_PublicKeyTypeZ *NONNULL_PTR tuple);
        export function C2Tuple_PublicKeyTypeZ_get_a(tuple: number): Uint8Array {
                if(!isWasmInitialized) {
@@ -1464,7 +1451,6 @@ public static native long new_empty_slice_vec();
        public static native boolean LDKCResult_boolLightningErrorZ_result_ok(long arg);
        public static native boolean LDKCResult_boolLightningErrorZ_get_ok(long arg);
        public static native number LDKCResult_boolLightningErrorZ_get_err(long arg);
-       public static native long LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_new(number a, number b, number c);
        // struct LDKChannelAnnouncement C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_a(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ *NONNULL_PTR tuple);
        export function C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_a(tuple: number): number {
                if(!isWasmInitialized) {
@@ -2979,6 +2965,14 @@ public static native long new_empty_slice_vec();
                const nativeResponseValue = wasm.CResult_ShutdownScriptInvalidShutdownScriptZ_free(_res);
                // debug statements here
        }
+       // struct LDKCResult_ShutdownScriptInvalidShutdownScriptZ CResult_ShutdownScriptInvalidShutdownScriptZ_clone(const struct LDKCResult_ShutdownScriptInvalidShutdownScriptZ *NONNULL_PTR orig);
+       export function CResult_ShutdownScriptInvalidShutdownScriptZ_clone(orig: number): number {
+               if(!isWasmInitialized) {
+                       throw new Error("initializeWasm() must be awaited first!");
+               }
+               const nativeResponseValue = wasm.CResult_ShutdownScriptInvalidShutdownScriptZ_clone(orig);
+               return nativeResponseValue;
+       }
        // struct LDKCResult_NoneErrorZ CResult_NoneErrorZ_ok(void);
        export function CResult_NoneErrorZ_ok(): number {
                if(!isWasmInitialized) {
@@ -15035,6 +15029,22 @@ public static native long new_empty_slice_vec();
                const nativeResponseValue = wasm.ClosingTransaction_free(this_obj);
                // debug statements here
        }
+       // struct LDKClosingTransaction ClosingTransaction_clone(const struct LDKClosingTransaction *NONNULL_PTR orig);
+       export function ClosingTransaction_clone(orig: number): number {
+               if(!isWasmInitialized) {
+                       throw new Error("initializeWasm() must be awaited first!");
+               }
+               const nativeResponseValue = wasm.ClosingTransaction_clone(orig);
+               return nativeResponseValue;
+       }
+       // uint64_t ClosingTransaction_hash(const struct LDKClosingTransaction *NONNULL_PTR o);
+       export function ClosingTransaction_hash(o: number): number {
+               if(!isWasmInitialized) {
+                       throw new Error("initializeWasm() must be awaited first!");
+               }
+               const nativeResponseValue = wasm.ClosingTransaction_hash(o);
+               return nativeResponseValue;
+       }
        // MUST_USE_RES struct LDKClosingTransaction ClosingTransaction_new(uint64_t to_holder_value_sat, uint64_t to_counterparty_value_sat, struct LDKCVec_u8Z to_holder_script, struct LDKCVec_u8Z to_counterparty_script, struct LDKOutPoint funding_outpoint);
        export function ClosingTransaction_new(to_holder_value_sat: number, to_counterparty_value_sat: number, to_holder_script: Uint8Array, to_counterparty_script: Uint8Array, funding_outpoint: number): number {
                if(!isWasmInitialized) {
@@ -15579,6 +15589,14 @@ public static native long new_empty_slice_vec();
                const nativeResponseValue = wasm.InvalidShutdownScript_new(encodeArray(script_arg));
                return nativeResponseValue;
        }
+       // struct LDKInvalidShutdownScript InvalidShutdownScript_clone(const struct LDKInvalidShutdownScript *NONNULL_PTR orig);
+       export function InvalidShutdownScript_clone(orig: number): number {
+               if(!isWasmInitialized) {
+                       throw new Error("initializeWasm() must be awaited first!");
+               }
+               const nativeResponseValue = wasm.InvalidShutdownScript_clone(orig);
+               return nativeResponseValue;
+       }
        // struct LDKCVec_u8Z ShutdownScript_write(const struct LDKShutdownScript *NONNULL_PTR obj);
        export function ShutdownScript_write(obj: number): Uint8Array {
                if(!isWasmInitialized) {
index f4b14a3e0c94c7e3eb3e01480c36bdd027c6be2f..7757ea9c525d8cecfa6421e5a4237e4e19c62dd9 100644 (file)
@@ -18,6 +18,18 @@ import * as bindings from '../bindings' // TODO: figure out location
                         bindings.ClosingTransaction_free(this.ptr);
                     }
                 }
+       public ClosingTransaction clone() {
+               number ret = bindings.ClosingTransaction_clone(this.ptr);
+               const ret_hu_conv: ClosingTransaction = new ClosingTransaction(null, ret);
+               ret_hu_conv.ptrs_to.add(this);
+               return ret_hu_conv;
+       }
+
+       public number hash() {
+               number ret = bindings.ClosingTransaction_hash(this.ptr);
+               return ret;
+       }
+
        public static ClosingTransaction constructor_new(number to_holder_value_sat, number to_counterparty_value_sat, Uint8Array to_holder_script, Uint8Array to_counterparty_script, OutPoint funding_outpoint) {
                number ret = bindings.ClosingTransaction_new(to_holder_value_sat, to_counterparty_value_sat, to_holder_script, to_counterparty_script, funding_outpoint == null ? 0 : funding_outpoint.ptr & ~1);
                const ret_hu_conv: ClosingTransaction = new ClosingTransaction(null, ret);
index ded8295c67d913cacdaf64bfc499fb5a0ca58901..57d7b9072a8c315325731299738f9c7771d68f4c 100644 (file)
@@ -34,4 +34,11 @@ import * as bindings from '../bindings' // TODO: figure out location
                return ret_hu_conv;
        }
 
+       public InvalidShutdownScript clone() {
+               number ret = bindings.InvalidShutdownScript_clone(this.ptr);
+               const ret_hu_conv: InvalidShutdownScript = new InvalidShutdownScript(null, ret);
+               ret_hu_conv.ptrs_to.add(this);
+               return ret_hu_conv;
+       }
+
 }
index 29394b34f8c9ab4641ad6974e05175fcfcc60f88..670190b8e256c7ec8e69eb738ad257a92c8b49fe 100644 (file)
@@ -43,8 +43,14 @@ public class Result_ShutdownScriptInvalidShutdownScriptZ extends CommonBase {
                return ret_hu_conv;
        }
 
-       public static Result_ShutdownScriptInvalidShutdownScriptZ constructor_err(Uint8Array e_script_arg) {
-               number ret = bindings.CResult_ShutdownScriptInvalidShutdownScriptZ_err(bindings.InvalidShutdownScript_new(e_script_arg));
+       public static Result_ShutdownScriptInvalidShutdownScriptZ constructor_err(InvalidShutdownScript e) {
+               number ret = bindings.CResult_ShutdownScriptInvalidShutdownScriptZ_err(e == null ? 0 : e.ptr & ~1);
+               Result_ShutdownScriptInvalidShutdownScriptZ ret_hu_conv = Result_ShutdownScriptInvalidShutdownScriptZ.constr_from_ptr(ret);
+               return ret_hu_conv;
+       }
+
+       public Result_ShutdownScriptInvalidShutdownScriptZ clone() {
+               number ret = bindings.CResult_ShutdownScriptInvalidShutdownScriptZ_clone(this.ptr);
                Result_ShutdownScriptInvalidShutdownScriptZ ret_hu_conv = Result_ShutdownScriptInvalidShutdownScriptZ.constr_from_ptr(ret);
                return ret_hu_conv;
        }