Fix race condition in NioPeerHandler on `socket_disconnected`
[ldk-java] / ts / bindings.c
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");