From: Matt Corallo <git@bluematt.me>
Date: Sat, 7 Aug 2021 22:34:45 +0000 (+0000)
Subject: Update auto-generated bindings to latest upstream
X-Git-Tag: v0.0.100.0~4^2
X-Git-Url: http://git.bitcoin.ninja/?a=commitdiff_plain;h=ba1af51214a8ea2de62b84cd23b6145173c71752;p=ldk-java

Update auto-generated bindings to latest upstream

Note that the inclusion of enum constructor functions fixes #30.
---

diff --git a/src/main/java/org/ldk/impl/bindings.java b/src/main/java/org/ldk/impl/bindings.java
index 9a5c9f2d..01db9fe6 100644
--- a/src/main/java/org/ldk/impl/bindings.java
+++ b/src/main/java/org/ldk/impl/bindings.java
@@ -48,7 +48,7 @@ public class bindings {
 	static native String get_lib_version_string();
 
 	public static String get_ldk_java_bindings_version() {
-		return "v0.0.99.1";
+		return "v0.0.99.2";
 	}
 	public static native String get_ldk_c_bindings_version();
 	public static native String get_ldk_version();
@@ -77,6 +77,10 @@ public class bindings {
 	static { SemanticError.values(); /* Force enum statics to run */ }
 	static { SiPrefix.values(); /* Force enum statics to run */ }
 	public static native long LDKCVec_u8Z_new(byte[] elems);
+	// struct LDKCVec_u8Z TxOut_get_script_pubkey (struct LDKTxOut* thing)
+	public static native byte[] TxOut_get_script_pubkey(long thing);
+	// uint64_t TxOut_get_value (struct LDKTxOut* thing)
+	public static native long TxOut_get_value(long thing);
 	public static native boolean LDKCResult_SecretKeyErrorZ_result_ok(long arg);
 	public static native byte[] LDKCResult_SecretKeyErrorZ_get_ok(long arg);
 	public static native Secp256k1Error LDKCResult_SecretKeyErrorZ_get_err(long arg);
@@ -432,6 +436,7 @@ public class bindings {
 		 byte[] write();
 	}
 	public static native long LDKSign_new(LDKSign impl, LDKBaseSign BaseSign, long pubkeys);
+	public static native long LDKSign_get_BaseSign(long arg);
 	// LDKCVec_u8Z Sign_write LDKSign *NONNULL_PTR this_arg
 	public static native byte[] Sign_write(long this_arg);
 	public static native boolean LDKCResult_SignDecodeErrorZ_result_ok(long arg);
@@ -985,6 +990,7 @@ public class bindings {
 		 void handle_error(byte[] their_node_id, long msg);
 	}
 	public static native long LDKChannelMessageHandler_new(LDKChannelMessageHandler impl, LDKMessageSendEventsProvider MessageSendEventsProvider);
+	public static native long LDKChannelMessageHandler_get_MessageSendEventsProvider(long arg);
 	// void ChannelMessageHandler_handle_open_channel LDKChannelMessageHandler *NONNULL_PTR this_arg, struct LDKPublicKey their_node_id, struct LDKInitFeatures their_features, const struct LDKOpenChannel *NONNULL_PTR msg
 	public static native void ChannelMessageHandler_handle_open_channel(long this_arg, byte[] their_node_id, long their_features, long msg);
 	// void ChannelMessageHandler_handle_accept_channel LDKChannelMessageHandler *NONNULL_PTR this_arg, struct LDKPublicKey their_node_id, struct LDKInitFeatures their_features, const struct LDKAcceptChannel *NONNULL_PTR msg
@@ -1039,6 +1045,7 @@ public class bindings {
 		 long handle_query_short_channel_ids(byte[] their_node_id, long msg);
 	}
 	public static native long LDKRoutingMessageHandler_new(LDKRoutingMessageHandler impl, LDKMessageSendEventsProvider MessageSendEventsProvider);
+	public static native long LDKRoutingMessageHandler_get_MessageSendEventsProvider(long arg);
 	// LDKCResult_boolLightningErrorZ RoutingMessageHandler_handle_node_announcement LDKRoutingMessageHandler *NONNULL_PTR this_arg, const struct LDKNodeAnnouncement *NONNULL_PTR msg
 	public static native long RoutingMessageHandler_handle_node_announcement(long this_arg, long msg);
 	// LDKCResult_boolLightningErrorZ RoutingMessageHandler_handle_channel_announcement LDKRoutingMessageHandler *NONNULL_PTR this_arg, const struct LDKChannelAnnouncement *NONNULL_PTR msg
@@ -1105,6 +1112,8 @@ public class bindings {
 	public static native String _ldk_c_bindings_get_compiled_version();
 	// void Transaction_free(struct LDKTransaction _res);
 	public static native void Transaction_free(byte[] _res);
+	// struct LDKTxOut TxOut_new(struct LDKCVec_u8Z script_pubkey, uint64_t value);
+	public static native long TxOut_new(byte[] script_pubkey, long value);
 	// void TxOut_free(struct LDKTxOut _res);
 	public static native void TxOut_free(long _res);
 	// struct LDKTxOut TxOut_clone(const struct LDKTxOut *NONNULL_PTR orig);
@@ -2069,12 +2078,64 @@ public class bindings {
 	public static native void Event_free(long this_ptr);
 	// struct LDKEvent Event_clone(const struct LDKEvent *NONNULL_PTR orig);
 	public static native long Event_clone(long orig);
+	// struct LDKEvent Event_funding_generation_ready(struct LDKThirtyTwoBytes temporary_channel_id, uint64_t channel_value_satoshis, struct LDKCVec_u8Z output_script, uint64_t user_channel_id);
+	public static native long Event_funding_generation_ready(byte[] temporary_channel_id, long channel_value_satoshis, byte[] output_script, long user_channel_id);
+	// struct LDKEvent Event_payment_received(struct LDKThirtyTwoBytes payment_hash, struct LDKThirtyTwoBytes payment_preimage, struct LDKThirtyTwoBytes payment_secret, uint64_t amt, uint64_t user_payment_id);
+	public static native long Event_payment_received(byte[] payment_hash, byte[] payment_preimage, byte[] payment_secret, long amt, long user_payment_id);
+	// struct LDKEvent Event_payment_sent(struct LDKThirtyTwoBytes payment_preimage);
+	public static native long Event_payment_sent(byte[] payment_preimage);
+	// struct LDKEvent Event_payment_failed(struct LDKThirtyTwoBytes payment_hash, bool rejected_by_dest);
+	public static native long Event_payment_failed(byte[] payment_hash, boolean rejected_by_dest);
+	// struct LDKEvent Event_pending_htlcs_forwardable(uint64_t time_forwardable);
+	public static native long Event_pending_htlcs_forwardable(long time_forwardable);
+	// struct LDKEvent Event_spendable_outputs(struct LDKCVec_SpendableOutputDescriptorZ outputs);
+	public static native long Event_spendable_outputs(long[] outputs);
 	// struct LDKCVec_u8Z Event_write(const struct LDKEvent *NONNULL_PTR obj);
 	public static native byte[] Event_write(long obj);
 	// void MessageSendEvent_free(struct LDKMessageSendEvent this_ptr);
 	public static native void MessageSendEvent_free(long this_ptr);
 	// struct LDKMessageSendEvent MessageSendEvent_clone(const struct LDKMessageSendEvent *NONNULL_PTR orig);
 	public static native long MessageSendEvent_clone(long orig);
+	// struct LDKMessageSendEvent MessageSendEvent_send_accept_channel(struct LDKPublicKey node_id, struct LDKAcceptChannel msg);
+	public static native long MessageSendEvent_send_accept_channel(byte[] node_id, long msg);
+	// struct LDKMessageSendEvent MessageSendEvent_send_open_channel(struct LDKPublicKey node_id, struct LDKOpenChannel msg);
+	public static native long MessageSendEvent_send_open_channel(byte[] node_id, long msg);
+	// struct LDKMessageSendEvent MessageSendEvent_send_funding_created(struct LDKPublicKey node_id, struct LDKFundingCreated msg);
+	public static native long MessageSendEvent_send_funding_created(byte[] node_id, long msg);
+	// struct LDKMessageSendEvent MessageSendEvent_send_funding_signed(struct LDKPublicKey node_id, struct LDKFundingSigned msg);
+	public static native long MessageSendEvent_send_funding_signed(byte[] node_id, long msg);
+	// struct LDKMessageSendEvent MessageSendEvent_send_funding_locked(struct LDKPublicKey node_id, struct LDKFundingLocked msg);
+	public static native long MessageSendEvent_send_funding_locked(byte[] node_id, long msg);
+	// struct LDKMessageSendEvent MessageSendEvent_send_announcement_signatures(struct LDKPublicKey node_id, struct LDKAnnouncementSignatures msg);
+	public static native long MessageSendEvent_send_announcement_signatures(byte[] node_id, long msg);
+	// struct LDKMessageSendEvent MessageSendEvent_update_htlcs(struct LDKPublicKey node_id, struct LDKCommitmentUpdate updates);
+	public static native long MessageSendEvent_update_htlcs(byte[] node_id, long updates);
+	// struct LDKMessageSendEvent MessageSendEvent_send_revoke_and_ack(struct LDKPublicKey node_id, struct LDKRevokeAndACK msg);
+	public static native long MessageSendEvent_send_revoke_and_ack(byte[] node_id, long msg);
+	// struct LDKMessageSendEvent MessageSendEvent_send_closing_signed(struct LDKPublicKey node_id, struct LDKClosingSigned msg);
+	public static native long MessageSendEvent_send_closing_signed(byte[] node_id, long msg);
+	// struct LDKMessageSendEvent MessageSendEvent_send_shutdown(struct LDKPublicKey node_id, struct LDKShutdown msg);
+	public static native long MessageSendEvent_send_shutdown(byte[] node_id, long msg);
+	// struct LDKMessageSendEvent MessageSendEvent_send_channel_reestablish(struct LDKPublicKey node_id, struct LDKChannelReestablish msg);
+	public static native long MessageSendEvent_send_channel_reestablish(byte[] node_id, long msg);
+	// struct LDKMessageSendEvent MessageSendEvent_broadcast_channel_announcement(struct LDKChannelAnnouncement msg, struct LDKChannelUpdate update_msg);
+	public static native long MessageSendEvent_broadcast_channel_announcement(long msg, long update_msg);
+	// struct LDKMessageSendEvent MessageSendEvent_broadcast_node_announcement(struct LDKNodeAnnouncement msg);
+	public static native long MessageSendEvent_broadcast_node_announcement(long msg);
+	// struct LDKMessageSendEvent MessageSendEvent_broadcast_channel_update(struct LDKChannelUpdate msg);
+	public static native long MessageSendEvent_broadcast_channel_update(long msg);
+	// struct LDKMessageSendEvent MessageSendEvent_send_channel_update(struct LDKPublicKey node_id, struct LDKChannelUpdate msg);
+	public static native long MessageSendEvent_send_channel_update(byte[] node_id, long msg);
+	// struct LDKMessageSendEvent MessageSendEvent_handle_error(struct LDKPublicKey node_id, struct LDKErrorAction action);
+	public static native long MessageSendEvent_handle_error(byte[] node_id, long action);
+	// struct LDKMessageSendEvent MessageSendEvent_payment_failure_network_update(struct LDKHTLCFailChannelUpdate update);
+	public static native long MessageSendEvent_payment_failure_network_update(long update);
+	// struct LDKMessageSendEvent MessageSendEvent_send_channel_range_query(struct LDKPublicKey node_id, struct LDKQueryChannelRange msg);
+	public static native long MessageSendEvent_send_channel_range_query(byte[] node_id, long msg);
+	// struct LDKMessageSendEvent MessageSendEvent_send_short_ids_query(struct LDKPublicKey node_id, struct LDKQueryShortChannelIds msg);
+	public static native long MessageSendEvent_send_short_ids_query(byte[] node_id, long msg);
+	// struct LDKMessageSendEvent MessageSendEvent_send_reply_channel_range(struct LDKPublicKey node_id, struct LDKReplyChannelRange msg);
+	public static native long MessageSendEvent_send_reply_channel_range(byte[] node_id, long msg);
 	// void MessageSendEventsProvider_free(struct LDKMessageSendEventsProvider this_ptr);
 	public static native void MessageSendEventsProvider_free(long this_ptr);
 	// void EventsProvider_free(struct LDKEventsProvider this_ptr);
@@ -2085,6 +2146,16 @@ public class bindings {
 	public static native void APIError_free(long this_ptr);
 	// struct LDKAPIError APIError_clone(const struct LDKAPIError *NONNULL_PTR orig);
 	public static native long APIError_clone(long orig);
+	// struct LDKAPIError APIError_apimisuse_error(struct LDKStr err);
+	public static native long APIError_apimisuse_error(String err);
+	// struct LDKAPIError APIError_fee_rate_too_high(struct LDKStr err, uint32_t feerate);
+	public static native long APIError_fee_rate_too_high(String err, int feerate);
+	// struct LDKAPIError APIError_route_error(struct LDKStr err);
+	public static native long APIError_route_error(String err);
+	// struct LDKAPIError APIError_channel_unavailable(struct LDKStr err);
+	public static native long APIError_channel_unavailable(String err);
+	// struct LDKAPIError APIError_monitor_update_failed(void);
+	public static native long APIError_monitor_update_failed();
 	// struct LDKCResult_StringErrorZ sign(struct LDKu8slice msg, const uint8_t (*sk)[32]);
 	public static native long sign(byte[] msg, byte[] sk);
 	// struct LDKCResult_PublicKeyErrorZ recover_pk(struct LDKu8slice msg, struct LDKStr sig);
@@ -2093,6 +2164,16 @@ public class bindings {
 	public static native boolean verify(byte[] msg, String sig, byte[] pk);
 	// enum LDKLevel Level_clone(const enum LDKLevel *NONNULL_PTR orig);
 	public static native Level Level_clone(long orig);
+	// enum LDKLevel Level_trace(void);
+	public static native Level Level_trace();
+	// enum LDKLevel Level_debug(void);
+	public static native Level Level_debug();
+	// enum LDKLevel Level_info(void);
+	public static native Level Level_info();
+	// enum LDKLevel Level_warn(void);
+	public static native Level Level_warn();
+	// enum LDKLevel Level_error(void);
+	public static native Level Level_error();
 	// bool Level_eq(const enum LDKLevel *NONNULL_PTR a, const enum LDKLevel *NONNULL_PTR b);
 	public static native boolean Level_eq(long a, long b);
 	// uint64_t Level_hash(const enum LDKLevel *NONNULL_PTR o);
@@ -2231,6 +2312,10 @@ public class bindings {
 	public static native int BestBlock_height(long this_arg);
 	// enum LDKAccessError AccessError_clone(const enum LDKAccessError *NONNULL_PTR orig);
 	public static native AccessError AccessError_clone(long orig);
+	// enum LDKAccessError AccessError_unknown_chain(void);
+	public static native AccessError AccessError_unknown_chain();
+	// enum LDKAccessError AccessError_unknown_tx(void);
+	public static native AccessError AccessError_unknown_tx();
 	// void Access_free(struct LDKAccess this_ptr);
 	public static native void Access_free(long this_ptr);
 	// void Listen_free(struct LDKListen this_ptr);
@@ -2265,6 +2350,12 @@ public class bindings {
 	public static native void BroadcasterInterface_free(long this_ptr);
 	// enum LDKConfirmationTarget ConfirmationTarget_clone(const enum LDKConfirmationTarget *NONNULL_PTR orig);
 	public static native ConfirmationTarget ConfirmationTarget_clone(long orig);
+	// enum LDKConfirmationTarget ConfirmationTarget_background(void);
+	public static native ConfirmationTarget ConfirmationTarget_background();
+	// enum LDKConfirmationTarget ConfirmationTarget_normal(void);
+	public static native ConfirmationTarget ConfirmationTarget_normal();
+	// enum LDKConfirmationTarget ConfirmationTarget_high_priority(void);
+	public static native ConfirmationTarget ConfirmationTarget_high_priority();
 	// void FeeEstimator_free(struct LDKFeeEstimator this_ptr);
 	public static native void FeeEstimator_free(long this_ptr);
 	// void ChainMonitor_free(struct LDKChainMonitor this_obj);
@@ -2293,6 +2384,10 @@ public class bindings {
 	public static native long ChannelMonitorUpdate_read(byte[] ser);
 	// enum LDKChannelMonitorUpdateErr ChannelMonitorUpdateErr_clone(const enum LDKChannelMonitorUpdateErr *NONNULL_PTR orig);
 	public static native ChannelMonitorUpdateErr ChannelMonitorUpdateErr_clone(long orig);
+	// enum LDKChannelMonitorUpdateErr ChannelMonitorUpdateErr_temporary_failure(void);
+	public static native ChannelMonitorUpdateErr ChannelMonitorUpdateErr_temporary_failure();
+	// enum LDKChannelMonitorUpdateErr ChannelMonitorUpdateErr_permanent_failure(void);
+	public static native ChannelMonitorUpdateErr ChannelMonitorUpdateErr_permanent_failure();
 	// void MonitorUpdateError_free(struct LDKMonitorUpdateError this_obj);
 	public static native void MonitorUpdateError_free(long this_obj);
 	// struct LDKMonitorUpdateError MonitorUpdateError_clone(const struct LDKMonitorUpdateError *NONNULL_PTR orig);
@@ -2301,6 +2396,10 @@ public class bindings {
 	public static native void MonitorEvent_free(long this_ptr);
 	// struct LDKMonitorEvent MonitorEvent_clone(const struct LDKMonitorEvent *NONNULL_PTR orig);
 	public static native long MonitorEvent_clone(long orig);
+	// struct LDKMonitorEvent MonitorEvent_htlcevent(struct LDKHTLCUpdate a);
+	public static native long MonitorEvent_htlcevent(long a);
+	// struct LDKMonitorEvent MonitorEvent_commitment_tx_broadcasted(struct LDKOutPoint a);
+	public static native long MonitorEvent_commitment_tx_broadcasted(long a);
 	// void HTLCUpdate_free(struct LDKHTLCUpdate this_obj);
 	public static native void HTLCUpdate_free(long this_obj);
 	// struct LDKHTLCUpdate HTLCUpdate_clone(const struct LDKHTLCUpdate *NONNULL_PTR orig);
@@ -2437,6 +2536,12 @@ public class bindings {
 	public static native void SpendableOutputDescriptor_free(long this_ptr);
 	// struct LDKSpendableOutputDescriptor SpendableOutputDescriptor_clone(const struct LDKSpendableOutputDescriptor *NONNULL_PTR orig);
 	public static native long SpendableOutputDescriptor_clone(long orig);
+	// struct LDKSpendableOutputDescriptor SpendableOutputDescriptor_static_output(struct LDKOutPoint outpoint, struct LDKTxOut output);
+	public static native long SpendableOutputDescriptor_static_output(long outpoint, long output);
+	// struct LDKSpendableOutputDescriptor SpendableOutputDescriptor_delayed_payment_output(struct LDKDelayedPaymentOutputDescriptor a);
+	public static native long SpendableOutputDescriptor_delayed_payment_output(long a);
+	// struct LDKSpendableOutputDescriptor SpendableOutputDescriptor_static_payment_output(struct LDKStaticPaymentOutputDescriptor a);
+	public static native long SpendableOutputDescriptor_static_payment_output(long a);
 	// struct LDKCVec_u8Z SpendableOutputDescriptor_write(const struct LDKSpendableOutputDescriptor *NONNULL_PTR obj);
 	public static native byte[] SpendableOutputDescriptor_write(long obj);
 	// struct LDKCResult_SpendableOutputDescriptorDecodeErrorZ SpendableOutputDescriptor_read(struct LDKu8slice ser);
@@ -2615,6 +2720,14 @@ public class bindings {
 	public static native void PaymentSendFailure_free(long this_ptr);
 	// struct LDKPaymentSendFailure PaymentSendFailure_clone(const struct LDKPaymentSendFailure *NONNULL_PTR orig);
 	public static native long PaymentSendFailure_clone(long orig);
+	// struct LDKPaymentSendFailure PaymentSendFailure_parameter_error(struct LDKAPIError a);
+	public static native long PaymentSendFailure_parameter_error(long a);
+	// struct LDKPaymentSendFailure PaymentSendFailure_path_parameter_error(struct LDKCVec_CResult_NoneAPIErrorZZ a);
+	public static native long PaymentSendFailure_path_parameter_error(long[] a);
+	// struct LDKPaymentSendFailure PaymentSendFailure_all_failed_retry_safe(struct LDKCVec_APIErrorZ a);
+	public static native long PaymentSendFailure_all_failed_retry_safe(long[] a);
+	// struct LDKPaymentSendFailure PaymentSendFailure_partial_failure(struct LDKCVec_CResult_NoneAPIErrorZZ a);
+	public static native long PaymentSendFailure_partial_failure(long[] a);
 	// MUST_USE_RES struct LDKChannelManager ChannelManager_new(struct LDKFeeEstimator fee_est, struct LDKWatch chain_monitor, struct LDKBroadcasterInterface tx_broadcaster, struct LDKLogger logger, struct LDKKeysInterface keys_manager, struct LDKUserConfig config, struct LDKChainParameters params);
 	public static native long ChannelManager_new(long fee_est, long chain_monitor, long tx_broadcaster, long logger, long keys_manager, long config, long params);
 	// MUST_USE_RES struct LDKUserConfig ChannelManager_get_current_default_configuration(const struct LDKChannelManager *NONNULL_PTR this_arg);
@@ -3145,6 +3258,14 @@ public class bindings {
 	public static native void NetAddress_free(long this_ptr);
 	// struct LDKNetAddress NetAddress_clone(const struct LDKNetAddress *NONNULL_PTR orig);
 	public static native long NetAddress_clone(long orig);
+	// struct LDKNetAddress NetAddress_ipv4(struct LDKFourBytes addr, uint16_t port);
+	public static native long NetAddress_ipv4(byte[] addr, short port);
+	// struct LDKNetAddress NetAddress_ipv6(struct LDKSixteenBytes addr, uint16_t port);
+	public static native long NetAddress_ipv6(byte[] addr, short port);
+	// struct LDKNetAddress NetAddress_onion_v2(struct LDKTenBytes addr, uint16_t port);
+	public static native long NetAddress_onion_v2(byte[] addr, short port);
+	// struct LDKNetAddress NetAddress_onion_v3(struct LDKThirtyTwoBytes ed25519_pubkey, uint16_t checksum, uint8_t version, uint16_t port);
+	public static native long NetAddress_onion_v3(byte[] ed25519_pubkey, short checksum, byte version, short port);
 	// struct LDKCVec_u8Z NetAddress_write(const struct LDKNetAddress *NONNULL_PTR obj);
 	public static native byte[] NetAddress_write(long obj);
 	// struct LDKCResult_CResult_NetAddressu8ZDecodeErrorZ Result_read(struct LDKu8slice ser);
@@ -3389,6 +3510,14 @@ public class bindings {
 	public static native void ErrorAction_free(long this_ptr);
 	// struct LDKErrorAction ErrorAction_clone(const struct LDKErrorAction *NONNULL_PTR orig);
 	public static native long ErrorAction_clone(long orig);
+	// struct LDKErrorAction ErrorAction_disconnect_peer(struct LDKErrorMessage msg);
+	public static native long ErrorAction_disconnect_peer(long msg);
+	// struct LDKErrorAction ErrorAction_ignore_error(void);
+	public static native long ErrorAction_ignore_error();
+	// struct LDKErrorAction ErrorAction_ignore_and_log(enum LDKLevel a);
+	public static native long ErrorAction_ignore_and_log(Level a);
+	// struct LDKErrorAction ErrorAction_send_error_message(struct LDKErrorMessage msg);
+	public static native long ErrorAction_send_error_message(long msg);
 	// void LightningError_free(struct LDKLightningError this_obj);
 	public static native void LightningError_free(long this_obj);
 	// struct LDKStr LightningError_get_err(const struct LDKLightningError *NONNULL_PTR this_ptr);
@@ -3429,6 +3558,12 @@ public class bindings {
 	public static native void HTLCFailChannelUpdate_free(long this_ptr);
 	// struct LDKHTLCFailChannelUpdate HTLCFailChannelUpdate_clone(const struct LDKHTLCFailChannelUpdate *NONNULL_PTR orig);
 	public static native long HTLCFailChannelUpdate_clone(long orig);
+	// struct LDKHTLCFailChannelUpdate HTLCFailChannelUpdate_channel_update_message(struct LDKChannelUpdate msg);
+	public static native long HTLCFailChannelUpdate_channel_update_message(long msg);
+	// struct LDKHTLCFailChannelUpdate HTLCFailChannelUpdate_channel_closed(uint64_t short_channel_id, bool is_permanent);
+	public static native long HTLCFailChannelUpdate_channel_closed(long short_channel_id, boolean is_permanent);
+	// struct LDKHTLCFailChannelUpdate HTLCFailChannelUpdate_node_failure(struct LDKPublicKey node_id, bool is_permanent);
+	public static native long HTLCFailChannelUpdate_node_failure(byte[] node_id, boolean is_permanent);
 	// void ChannelMessageHandler_free(struct LDKChannelMessageHandler this_ptr);
 	public static native void ChannelMessageHandler_free(long this_ptr);
 	// void RoutingMessageHandler_free(struct LDKRoutingMessageHandler this_ptr);
@@ -4271,12 +4406,30 @@ public class bindings {
 	public static native long PositiveTimestamp_clone(long orig);
 	// enum LDKSiPrefix SiPrefix_clone(const enum LDKSiPrefix *NONNULL_PTR orig);
 	public static native SiPrefix SiPrefix_clone(long orig);
+	// enum LDKSiPrefix SiPrefix_milli(void);
+	public static native SiPrefix SiPrefix_milli();
+	// enum LDKSiPrefix SiPrefix_micro(void);
+	public static native SiPrefix SiPrefix_micro();
+	// enum LDKSiPrefix SiPrefix_nano(void);
+	public static native SiPrefix SiPrefix_nano();
+	// enum LDKSiPrefix SiPrefix_pico(void);
+	public static native SiPrefix SiPrefix_pico();
 	// bool SiPrefix_eq(const enum LDKSiPrefix *NONNULL_PTR a, const enum LDKSiPrefix *NONNULL_PTR b);
 	public static native boolean SiPrefix_eq(long a, long b);
 	// MUST_USE_RES uint64_t SiPrefix_multiplier(const enum LDKSiPrefix *NONNULL_PTR this_arg);
 	public static native long SiPrefix_multiplier(long this_arg);
 	// enum LDKCurrency Currency_clone(const enum LDKCurrency *NONNULL_PTR orig);
 	public static native Currency Currency_clone(long orig);
+	// enum LDKCurrency Currency_bitcoin(void);
+	public static native Currency Currency_bitcoin();
+	// enum LDKCurrency Currency_bitcoin_testnet(void);
+	public static native Currency Currency_bitcoin_testnet();
+	// enum LDKCurrency Currency_regtest(void);
+	public static native Currency Currency_regtest();
+	// enum LDKCurrency Currency_simnet(void);
+	public static native Currency Currency_simnet();
+	// enum LDKCurrency Currency_signet(void);
+	public static native Currency Currency_signet();
 	// bool Currency_eq(const enum LDKCurrency *NONNULL_PTR a, const enum LDKCurrency *NONNULL_PTR b);
 	public static native boolean Currency_eq(long a, long b);
 	// void Sha256_free(struct LDKSha256 this_obj);
@@ -4313,6 +4466,12 @@ public class bindings {
 	public static native void Fallback_free(long this_ptr);
 	// struct LDKFallback Fallback_clone(const struct LDKFallback *NONNULL_PTR orig);
 	public static native long Fallback_clone(long orig);
+	// struct LDKFallback Fallback_seg_wit_program(struct LDKu5 version, struct LDKCVec_u8Z program);
+	public static native long Fallback_seg_wit_program(byte version, byte[] program);
+	// struct LDKFallback Fallback_pub_key_hash(struct LDKTwentyBytes a);
+	public static native long Fallback_pub_key_hash(byte[] a);
+	// struct LDKFallback Fallback_script_hash(struct LDKTwentyBytes a);
+	public static native long Fallback_script_hash(byte[] a);
 	// bool Fallback_eq(const struct LDKFallback *NONNULL_PTR a, const struct LDKFallback *NONNULL_PTR b);
 	public static native boolean Fallback_eq(long a, long b);
 	// void InvoiceSignature_free(struct LDKInvoiceSignature this_obj);
@@ -4419,12 +4578,36 @@ public class bindings {
 	public static native long PrivateRoute_into_inner(long this_arg);
 	// enum LDKCreationError CreationError_clone(const enum LDKCreationError *NONNULL_PTR orig);
 	public static native CreationError CreationError_clone(long orig);
+	// enum LDKCreationError CreationError_description_too_long(void);
+	public static native CreationError CreationError_description_too_long();
+	// enum LDKCreationError CreationError_route_too_long(void);
+	public static native CreationError CreationError_route_too_long();
+	// enum LDKCreationError CreationError_timestamp_out_of_bounds(void);
+	public static native CreationError CreationError_timestamp_out_of_bounds();
+	// enum LDKCreationError CreationError_expiry_time_out_of_bounds(void);
+	public static native CreationError CreationError_expiry_time_out_of_bounds();
 	// bool CreationError_eq(const enum LDKCreationError *NONNULL_PTR a, const enum LDKCreationError *NONNULL_PTR b);
 	public static native boolean CreationError_eq(long a, long b);
 	// struct LDKStr CreationError_to_str(const enum LDKCreationError *NONNULL_PTR o);
 	public static native String CreationError_to_str(long o);
 	// enum LDKSemanticError SemanticError_clone(const enum LDKSemanticError *NONNULL_PTR orig);
 	public static native SemanticError SemanticError_clone(long orig);
+	// enum LDKSemanticError SemanticError_no_payment_hash(void);
+	public static native SemanticError SemanticError_no_payment_hash();
+	// enum LDKSemanticError SemanticError_multiple_payment_hashes(void);
+	public static native SemanticError SemanticError_multiple_payment_hashes();
+	// enum LDKSemanticError SemanticError_no_description(void);
+	public static native SemanticError SemanticError_no_description();
+	// enum LDKSemanticError SemanticError_multiple_descriptions(void);
+	public static native SemanticError SemanticError_multiple_descriptions();
+	// enum LDKSemanticError SemanticError_multiple_payment_secrets(void);
+	public static native SemanticError SemanticError_multiple_payment_secrets();
+	// enum LDKSemanticError SemanticError_invalid_features(void);
+	public static native SemanticError SemanticError_invalid_features();
+	// enum LDKSemanticError SemanticError_invalid_recovery_id(void);
+	public static native SemanticError SemanticError_invalid_recovery_id();
+	// enum LDKSemanticError SemanticError_invalid_signature(void);
+	public static native SemanticError SemanticError_invalid_signature();
 	// bool SemanticError_eq(const enum LDKSemanticError *NONNULL_PTR a, const enum LDKSemanticError *NONNULL_PTR b);
 	public static native boolean SemanticError_eq(long a, long b);
 	// struct LDKStr SemanticError_to_str(const enum LDKSemanticError *NONNULL_PTR o);
@@ -4433,6 +4616,10 @@ public class bindings {
 	public static native void SignOrCreationError_free(long this_ptr);
 	// struct LDKSignOrCreationError SignOrCreationError_clone(const struct LDKSignOrCreationError *NONNULL_PTR orig);
 	public static native long SignOrCreationError_clone(long orig);
+	// struct LDKSignOrCreationError SignOrCreationError_sign_error(void);
+	public static native long SignOrCreationError_sign_error();
+	// struct LDKSignOrCreationError SignOrCreationError_creation_error(enum LDKCreationError a);
+	public static native long SignOrCreationError_creation_error(CreationError a);
 	// bool SignOrCreationError_eq(const struct LDKSignOrCreationError *NONNULL_PTR a, const struct LDKSignOrCreationError *NONNULL_PTR b);
 	public static native boolean SignOrCreationError_eq(long a, long b);
 	// struct LDKStr SignOrCreationError_to_str(const struct LDKSignOrCreationError *NONNULL_PTR o);
diff --git a/src/main/java/org/ldk/structs/APIError.java b/src/main/java/org/ldk/structs/APIError.java
index 19fdbcf1..96e81b8c 100644
--- a/src/main/java/org/ldk/structs/APIError.java
+++ b/src/main/java/org/ldk/structs/APIError.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -39,6 +40,9 @@ public class APIError extends CommonBase {
 	}
 
 	public final static class APIMisuseError extends APIError {
+		/**
+		 * A human-readable error message
+		*/
 		public final String err;
 		private APIMisuseError(long ptr, bindings.LDKAPIError.APIMisuseError obj) {
 			super(null, ptr);
@@ -46,7 +50,13 @@ public class APIError extends CommonBase {
 		}
 	}
 	public final static class FeeRateTooHigh extends APIError {
+		/**
+		 * A human-readable error message
+		*/
 		public final String err;
+		/**
+		 * The feerate which was too high.
+		*/
 		public final int feerate;
 		private FeeRateTooHigh(long ptr, bindings.LDKAPIError.FeeRateTooHigh obj) {
 			super(null, ptr);
@@ -55,6 +65,9 @@ public class APIError extends CommonBase {
 		}
 	}
 	public final static class RouteError extends APIError {
+		/**
+		 * A human-readable error message
+		*/
 		public final String err;
 		private RouteError(long ptr, bindings.LDKAPIError.RouteError obj) {
 			super(null, ptr);
@@ -62,6 +75,9 @@ public class APIError extends CommonBase {
 		}
 	}
 	public final static class ChannelUnavailable extends APIError {
+		/**
+		 * A human-readable error message
+		*/
 		public final String err;
 		private ChannelUnavailable(long ptr, bindings.LDKAPIError.ChannelUnavailable obj) {
 			super(null, ptr);
@@ -78,9 +94,65 @@ public class APIError extends CommonBase {
 	 */
 	public APIError clone() {
 		long ret = bindings.APIError_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		APIError ret_hu_conv = APIError.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Utility method to constructs a new APIMisuseError-variant APIError
+	 */
+	public static APIError apimisuse_error(java.lang.String err) {
+		long ret = bindings.APIError_apimisuse_error(err);
+		if (ret < 1024) { return null; }
+		APIError ret_hu_conv = APIError.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new FeeRateTooHigh-variant APIError
+	 */
+	public static APIError fee_rate_too_high(java.lang.String err, int feerate) {
+		long ret = bindings.APIError_fee_rate_too_high(err, feerate);
+		if (ret < 1024) { return null; }
+		APIError ret_hu_conv = APIError.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new RouteError-variant APIError
+	 */
+	public static APIError route_error(java.lang.String err) {
+		long ret = bindings.APIError_route_error(err);
+		if (ret < 1024) { return null; }
+		APIError ret_hu_conv = APIError.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new ChannelUnavailable-variant APIError
+	 */
+	public static APIError channel_unavailable(java.lang.String err) {
+		long ret = bindings.APIError_channel_unavailable(err);
+		if (ret < 1024) { return null; }
+		APIError ret_hu_conv = APIError.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new MonitorUpdateFailed-variant APIError
+	 */
+	public static APIError monitor_update_failed() {
+		long ret = bindings.APIError_monitor_update_failed();
+		if (ret < 1024) { return null; }
+		APIError ret_hu_conv = APIError.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
 }
diff --git a/src/main/java/org/ldk/structs/AcceptChannel.java b/src/main/java/org/ldk/structs/AcceptChannel.java
index cc61466e..e4286b23 100644
--- a/src/main/java/org/ldk/structs/AcceptChannel.java
+++ b/src/main/java/org/ldk/structs/AcceptChannel.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -233,6 +234,7 @@ public class AcceptChannel extends CommonBase {
 	 */
 	public AcceptChannel clone() {
 		long ret = bindings.AcceptChannel_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		AcceptChannel ret_hu_conv = new AcceptChannel(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -251,6 +253,7 @@ public class AcceptChannel extends CommonBase {
 	 */
 	public static Result_AcceptChannelDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.AcceptChannel_read(ser);
+		if (ret < 1024) { return null; }
 		Result_AcceptChannelDecodeErrorZ ret_hu_conv = Result_AcceptChannelDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Access.java b/src/main/java/org/ldk/structs/Access.java
index afb25ad3..b52d295c 100644
--- a/src/main/java/org/ldk/structs/Access.java
+++ b/src/main/java/org/ldk/structs/Access.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 /**
  * The `Access` trait defines behavior for accessing chain data and state, such as blocks and
@@ -54,6 +55,7 @@ public class Access extends CommonBase {
 	 */
 	public Result_TxOutAccessErrorZ get_utxo(byte[] genesis_hash, long short_channel_id) {
 		long ret = bindings.Access_get_utxo(this.ptr, genesis_hash, short_channel_id);
+		if (ret < 1024) { return null; }
 		Result_TxOutAccessErrorZ ret_hu_conv = Result_TxOutAccessErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/AnnouncementSignatures.java b/src/main/java/org/ldk/structs/AnnouncementSignatures.java
index ae09b222..9b7bfbe8 100644
--- a/src/main/java/org/ldk/structs/AnnouncementSignatures.java
+++ b/src/main/java/org/ldk/structs/AnnouncementSignatures.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -83,6 +84,7 @@ public class AnnouncementSignatures extends CommonBase {
 	 */
 	public static AnnouncementSignatures of(byte[] channel_id_arg, long short_channel_id_arg, byte[] node_signature_arg, byte[] bitcoin_signature_arg) {
 		long ret = bindings.AnnouncementSignatures_new(channel_id_arg, short_channel_id_arg, node_signature_arg, bitcoin_signature_arg);
+		if (ret < 1024) { return null; }
 		AnnouncementSignatures ret_hu_conv = new AnnouncementSignatures(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -93,6 +95,7 @@ public class AnnouncementSignatures extends CommonBase {
 	 */
 	public AnnouncementSignatures clone() {
 		long ret = bindings.AnnouncementSignatures_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		AnnouncementSignatures ret_hu_conv = new AnnouncementSignatures(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -111,6 +114,7 @@ public class AnnouncementSignatures extends CommonBase {
 	 */
 	public static Result_AnnouncementSignaturesDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.AnnouncementSignatures_read(ser);
+		if (ret < 1024) { return null; }
 		Result_AnnouncementSignaturesDecodeErrorZ ret_hu_conv = Result_AnnouncementSignaturesDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/BackgroundProcessor.java b/src/main/java/org/ldk/structs/BackgroundProcessor.java
index 467cb335..9858c5d5 100644
--- a/src/main/java/org/ldk/structs/BackgroundProcessor.java
+++ b/src/main/java/org/ldk/structs/BackgroundProcessor.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -53,6 +54,7 @@ public class BackgroundProcessor extends CommonBase {
 	 */
 	public static BackgroundProcessor start(ChannelManagerPersister persister, EventHandler event_handler, ChainMonitor chain_monitor, ChannelManager channel_manager, PeerManager peer_manager, Logger logger) {
 		long ret = bindings.BackgroundProcessor_start(persister == null ? 0 : persister.ptr, event_handler == null ? 0 : event_handler.ptr, chain_monitor == null ? 0 : chain_monitor.ptr & ~1, channel_manager == null ? 0 : channel_manager.ptr & ~1, peer_manager == null ? 0 : peer_manager.ptr & ~1, logger == null ? 0 : logger.ptr);
+		if (ret < 1024) { return null; }
 		BackgroundProcessor ret_hu_conv = new BackgroundProcessor(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(persister);
@@ -69,6 +71,7 @@ public class BackgroundProcessor extends CommonBase {
 	 */
 	public Result_NoneErrorZ stop() {
 		long ret = bindings.BackgroundProcessor_stop(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_NoneErrorZ ret_hu_conv = Result_NoneErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(this);
 		// Due to rust's strict-ownership memory model, in some cases we need to "move"
diff --git a/src/main/java/org/ldk/structs/BaseSign.java b/src/main/java/org/ldk/structs/BaseSign.java
index b94a5c1b..71a146ef 100644
--- a/src/main/java/org/ldk/structs/BaseSign.java
+++ b/src/main/java/org/ldk/structs/BaseSign.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 /**
  * A trait to sign lightning channel transactions as described in BOLT 3.
@@ -275,6 +276,7 @@ public class BaseSign extends CommonBase {
 	 */
 	public Result_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_counterparty_commitment(CommitmentTransaction commitment_tx) {
 		long ret = bindings.BaseSign_sign_counterparty_commitment(this.ptr, commitment_tx == null ? 0 : commitment_tx.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_hu_conv = Result_C2Tuple_SignatureCVec_SignatureZZNoneZ.constr_from_ptr(ret);
 		this.ptrs_to.add(commitment_tx);
 		return ret_hu_conv;
@@ -295,6 +297,7 @@ public class BaseSign extends CommonBase {
 	 */
 	public Result_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_holder_commitment_and_htlcs(HolderCommitmentTransaction commitment_tx) {
 		long ret = bindings.BaseSign_sign_holder_commitment_and_htlcs(this.ptr, commitment_tx == null ? 0 : commitment_tx.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_hu_conv = Result_C2Tuple_SignatureCVec_SignatureZZNoneZ.constr_from_ptr(ret);
 		this.ptrs_to.add(commitment_tx);
 		return ret_hu_conv;
@@ -318,6 +321,7 @@ public class BaseSign extends CommonBase {
 	 */
 	public Result_SignatureNoneZ sign_justice_revoked_output(byte[] justice_tx, long input, long amount, byte[] per_commitment_key) {
 		long ret = bindings.BaseSign_sign_justice_revoked_output(this.ptr, justice_tx, input, amount, per_commitment_key);
+		if (ret < 1024) { return null; }
 		Result_SignatureNoneZ ret_hu_conv = Result_SignatureNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -343,6 +347,7 @@ public class BaseSign extends CommonBase {
 	 */
 	public Result_SignatureNoneZ sign_justice_revoked_htlc(byte[] justice_tx, long input, long amount, byte[] per_commitment_key, HTLCOutputInCommitment htlc) {
 		long ret = bindings.BaseSign_sign_justice_revoked_htlc(this.ptr, justice_tx, input, amount, per_commitment_key, htlc == null ? 0 : htlc.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_SignatureNoneZ ret_hu_conv = Result_SignatureNoneZ.constr_from_ptr(ret);
 		this.ptrs_to.add(htlc);
 		return ret_hu_conv;
@@ -369,6 +374,7 @@ public class BaseSign extends CommonBase {
 	 */
 	public Result_SignatureNoneZ sign_counterparty_htlc_transaction(byte[] htlc_tx, long input, long amount, byte[] per_commitment_point, HTLCOutputInCommitment htlc) {
 		long ret = bindings.BaseSign_sign_counterparty_htlc_transaction(this.ptr, htlc_tx, input, amount, per_commitment_point, htlc == null ? 0 : htlc.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_SignatureNoneZ ret_hu_conv = Result_SignatureNoneZ.constr_from_ptr(ret);
 		this.ptrs_to.add(htlc);
 		return ret_hu_conv;
@@ -382,6 +388,7 @@ public class BaseSign extends CommonBase {
 	 */
 	public Result_SignatureNoneZ sign_closing_transaction(byte[] closing_tx) {
 		long ret = bindings.BaseSign_sign_closing_transaction(this.ptr, closing_tx);
+		if (ret < 1024) { return null; }
 		Result_SignatureNoneZ ret_hu_conv = Result_SignatureNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -396,6 +403,7 @@ public class BaseSign extends CommonBase {
 	 */
 	public Result_SignatureNoneZ sign_channel_announcement(UnsignedChannelAnnouncement msg) {
 		long ret = bindings.BaseSign_sign_channel_announcement(this.ptr, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_SignatureNoneZ ret_hu_conv = Result_SignatureNoneZ.constr_from_ptr(ret);
 		this.ptrs_to.add(msg);
 		return ret_hu_conv;
@@ -424,6 +432,7 @@ public class BaseSign extends CommonBase {
 	 */
 	public ChannelPublicKeys get_pubkeys() {
 		long ret = bindings.BaseSign_get_pubkeys(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelPublicKeys ret_hu_conv = new ChannelPublicKeys(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/BestBlock.java b/src/main/java/org/ldk/structs/BestBlock.java
index cda09d30..77664b50 100644
--- a/src/main/java/org/ldk/structs/BestBlock.java
+++ b/src/main/java/org/ldk/structs/BestBlock.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -23,6 +24,7 @@ public class BestBlock extends CommonBase {
 	 */
 	public BestBlock clone() {
 		long ret = bindings.BestBlock_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		BestBlock ret_hu_conv = new BestBlock(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -32,8 +34,9 @@ public class BestBlock extends CommonBase {
 	 * Constructs a `BestBlock` that represents the genesis block at height 0 of the given
 	 * network.
 	 */
-	public static BestBlock from_genesis(Network network) {
+	public static BestBlock from_genesis(org.ldk.enums.Network network) {
 		long ret = bindings.BestBlock_from_genesis(network);
+		if (ret < 1024) { return null; }
 		BestBlock ret_hu_conv = new BestBlock(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -44,6 +47,7 @@ public class BestBlock extends CommonBase {
 	 */
 	public static BestBlock of(byte[] block_hash, int height) {
 		long ret = bindings.BestBlock_new(block_hash, height);
+		if (ret < 1024) { return null; }
 		BestBlock ret_hu_conv = new BestBlock(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/BroadcasterInterface.java b/src/main/java/org/ldk/structs/BroadcasterInterface.java
index 6deb3973..5e6a76f8 100644
--- a/src/main/java/org/ldk/structs/BroadcasterInterface.java
+++ b/src/main/java/org/ldk/structs/BroadcasterInterface.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 /**
  * An interface to send a transaction to the Bitcoin network.
diff --git a/src/main/java/org/ldk/structs/BuiltCommitmentTransaction.java b/src/main/java/org/ldk/structs/BuiltCommitmentTransaction.java
index 3ac8da0e..76a15bcc 100644
--- a/src/main/java/org/ldk/structs/BuiltCommitmentTransaction.java
+++ b/src/main/java/org/ldk/structs/BuiltCommitmentTransaction.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -59,6 +60,7 @@ public class BuiltCommitmentTransaction extends CommonBase {
 	 */
 	public static BuiltCommitmentTransaction of(byte[] transaction_arg, byte[] txid_arg) {
 		long ret = bindings.BuiltCommitmentTransaction_new(transaction_arg, txid_arg);
+		if (ret < 1024) { return null; }
 		BuiltCommitmentTransaction ret_hu_conv = new BuiltCommitmentTransaction(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -69,6 +71,7 @@ public class BuiltCommitmentTransaction extends CommonBase {
 	 */
 	public BuiltCommitmentTransaction clone() {
 		long ret = bindings.BuiltCommitmentTransaction_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		BuiltCommitmentTransaction ret_hu_conv = new BuiltCommitmentTransaction(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -87,6 +90,7 @@ public class BuiltCommitmentTransaction extends CommonBase {
 	 */
 	public static Result_BuiltCommitmentTransactionDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.BuiltCommitmentTransaction_read(ser);
+		if (ret < 1024) { return null; }
 		Result_BuiltCommitmentTransactionDecodeErrorZ ret_hu_conv = Result_BuiltCommitmentTransactionDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/ChainMonitor.java b/src/main/java/org/ldk/structs/ChainMonitor.java
index a1406a35..bed77516 100644
--- a/src/main/java/org/ldk/structs/ChainMonitor.java
+++ b/src/main/java/org/ldk/structs/ChainMonitor.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -34,9 +35,12 @@ public class ChainMonitor extends CommonBase {
 	 * pre-filter blocks or only fetch blocks matching a compact filter. Otherwise, clients may
 	 * always need to fetch full blocks absent another means for determining which blocks contain
 	 * transactions relevant to the watched channels.
+	 * 
+	 * Note that chain_source (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public static ChainMonitor of(Filter chain_source, BroadcasterInterface broadcaster, Logger logger, FeeEstimator feeest, Persist persister) {
+	public static ChainMonitor of(@Nullable Filter chain_source, BroadcasterInterface broadcaster, Logger logger, FeeEstimator feeest, Persist persister) {
 		long ret = bindings.ChainMonitor_new(chain_source == null ? 0 : chain_source.ptr, broadcaster == null ? 0 : broadcaster.ptr, logger == null ? 0 : logger.ptr, feeest == null ? 0 : feeest.ptr, persister == null ? 0 : persister.ptr);
+		if (ret < 1024) { return null; }
 		ChainMonitor ret_hu_conv = new ChainMonitor(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(chain_source);
@@ -53,6 +57,7 @@ public class ChainMonitor extends CommonBase {
 	 */
 	public Listen as_Listen() {
 		long ret = bindings.ChainMonitor_as_Listen(this.ptr);
+		if (ret < 1024) { return null; }
 		Listen ret_hu_conv = new Listen(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -64,6 +69,7 @@ public class ChainMonitor extends CommonBase {
 	 */
 	public Confirm as_Confirm() {
 		long ret = bindings.ChainMonitor_as_Confirm(this.ptr);
+		if (ret < 1024) { return null; }
 		Confirm ret_hu_conv = new Confirm(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -75,6 +81,7 @@ public class ChainMonitor extends CommonBase {
 	 */
 	public Watch as_Watch() {
 		long ret = bindings.ChainMonitor_as_Watch(this.ptr);
+		if (ret < 1024) { return null; }
 		Watch ret_hu_conv = new Watch(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -86,6 +93,7 @@ public class ChainMonitor extends CommonBase {
 	 */
 	public EventsProvider as_EventsProvider() {
 		long ret = bindings.ChainMonitor_as_EventsProvider(this.ptr);
+		if (ret < 1024) { return null; }
 		EventsProvider ret_hu_conv = new EventsProvider(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/ChainParameters.java b/src/main/java/org/ldk/structs/ChainParameters.java
index f61036d5..c65be86d 100644
--- a/src/main/java/org/ldk/structs/ChainParameters.java
+++ b/src/main/java/org/ldk/structs/ChainParameters.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -33,7 +34,7 @@ public class ChainParameters extends CommonBase {
 	/**
 	 * The network for determining the `chain_hash` in Lightning messages.
 	 */
-	public void set_network(Network val) {
+	public void set_network(org.ldk.enums.Network val) {
 		bindings.ChainParameters_set_network(this.ptr, val);
 	}
 
@@ -44,6 +45,7 @@ public class ChainParameters extends CommonBase {
 	 */
 	public BestBlock get_best_block() {
 		long ret = bindings.ChainParameters_get_best_block(this.ptr);
+		if (ret < 1024) { return null; }
 		BestBlock ret_hu_conv = new BestBlock(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -62,8 +64,9 @@ public class ChainParameters extends CommonBase {
 	/**
 	 * Constructs a new ChainParameters given each field
 	 */
-	public static ChainParameters of(Network network_arg, BestBlock best_block_arg) {
+	public static ChainParameters of(org.ldk.enums.Network network_arg, BestBlock best_block_arg) {
 		long ret = bindings.ChainParameters_new(network_arg, best_block_arg == null ? 0 : best_block_arg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		ChainParameters ret_hu_conv = new ChainParameters(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(best_block_arg);
@@ -75,6 +78,7 @@ public class ChainParameters extends CommonBase {
 	 */
 	public ChainParameters clone() {
 		long ret = bindings.ChainParameters_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ChainParameters ret_hu_conv = new ChainParameters(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/ChannelAnnouncement.java b/src/main/java/org/ldk/structs/ChannelAnnouncement.java
index 0b0443fd..2d4307a8 100644
--- a/src/main/java/org/ldk/structs/ChannelAnnouncement.java
+++ b/src/main/java/org/ldk/structs/ChannelAnnouncement.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -83,6 +84,7 @@ public class ChannelAnnouncement extends CommonBase {
 	 */
 	public UnsignedChannelAnnouncement get_contents() {
 		long ret = bindings.ChannelAnnouncement_get_contents(this.ptr);
+		if (ret < 1024) { return null; }
 		UnsignedChannelAnnouncement ret_hu_conv = new UnsignedChannelAnnouncement(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -101,6 +103,7 @@ public class ChannelAnnouncement extends CommonBase {
 	 */
 	public static ChannelAnnouncement of(byte[] node_signature_1_arg, byte[] node_signature_2_arg, byte[] bitcoin_signature_1_arg, byte[] bitcoin_signature_2_arg, UnsignedChannelAnnouncement contents_arg) {
 		long ret = bindings.ChannelAnnouncement_new(node_signature_1_arg, node_signature_2_arg, bitcoin_signature_1_arg, bitcoin_signature_2_arg, contents_arg == null ? 0 : contents_arg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		ChannelAnnouncement ret_hu_conv = new ChannelAnnouncement(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(contents_arg);
@@ -112,6 +115,7 @@ public class ChannelAnnouncement extends CommonBase {
 	 */
 	public ChannelAnnouncement clone() {
 		long ret = bindings.ChannelAnnouncement_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelAnnouncement ret_hu_conv = new ChannelAnnouncement(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -130,6 +134,7 @@ public class ChannelAnnouncement extends CommonBase {
 	 */
 	public static Result_ChannelAnnouncementDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.ChannelAnnouncement_read(ser);
+		if (ret < 1024) { return null; }
 		Result_ChannelAnnouncementDecodeErrorZ ret_hu_conv = Result_ChannelAnnouncementDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/ChannelConfig.java b/src/main/java/org/ldk/structs/ChannelConfig.java
index eaef6ab8..51680d6a 100644
--- a/src/main/java/org/ldk/structs/ChannelConfig.java
+++ b/src/main/java/org/ldk/structs/ChannelConfig.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -207,6 +208,7 @@ public class ChannelConfig extends CommonBase {
 	 */
 	public static ChannelConfig of(int forwarding_fee_proportional_millionths_arg, int forwarding_fee_base_msat_arg, short cltv_expiry_delta_arg, boolean announced_channel_arg, boolean commit_upfront_shutdown_pubkey_arg) {
 		long ret = bindings.ChannelConfig_new(forwarding_fee_proportional_millionths_arg, forwarding_fee_base_msat_arg, cltv_expiry_delta_arg, announced_channel_arg, commit_upfront_shutdown_pubkey_arg);
+		if (ret < 1024) { return null; }
 		ChannelConfig ret_hu_conv = new ChannelConfig(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -217,6 +219,7 @@ public class ChannelConfig extends CommonBase {
 	 */
 	public ChannelConfig clone() {
 		long ret = bindings.ChannelConfig_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelConfig ret_hu_conv = new ChannelConfig(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -227,6 +230,7 @@ public class ChannelConfig extends CommonBase {
 	 */
 	public static ChannelConfig with_default() {
 		long ret = bindings.ChannelConfig_default();
+		if (ret < 1024) { return null; }
 		ChannelConfig ret_hu_conv = new ChannelConfig(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -245,6 +249,7 @@ public class ChannelConfig extends CommonBase {
 	 */
 	public static Result_ChannelConfigDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.ChannelConfig_read(ser);
+		if (ret < 1024) { return null; }
 		Result_ChannelConfigDecodeErrorZ ret_hu_conv = Result_ChannelConfigDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/ChannelCounterparty.java b/src/main/java/org/ldk/structs/ChannelCounterparty.java
index c0bf5dd2..535c6a0a 100644
--- a/src/main/java/org/ldk/structs/ChannelCounterparty.java
+++ b/src/main/java/org/ldk/structs/ChannelCounterparty.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -41,6 +42,7 @@ public class ChannelCounterparty extends CommonBase {
 	 */
 	public InitFeatures get_features() {
 		long ret = bindings.ChannelCounterparty_get_features(this.ptr);
+		if (ret < 1024) { return null; }
 		InitFeatures ret_hu_conv = new InitFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -88,6 +90,7 @@ public class ChannelCounterparty extends CommonBase {
 	 */
 	public ChannelCounterparty clone() {
 		long ret = bindings.ChannelCounterparty_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelCounterparty ret_hu_conv = new ChannelCounterparty(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/ChannelDetails.java b/src/main/java/org/ldk/structs/ChannelDetails.java
index 92f526b6..da32093d 100644
--- a/src/main/java/org/ldk/structs/ChannelDetails.java
+++ b/src/main/java/org/ldk/structs/ChannelDetails.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -44,6 +45,7 @@ public class ChannelDetails extends CommonBase {
 	 */
 	public ChannelCounterparty get_counterparty() {
 		long ret = bindings.ChannelDetails_get_counterparty(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelCounterparty ret_hu_conv = new ChannelCounterparty(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -63,9 +65,13 @@ public class ChannelDetails extends CommonBase {
 	 * 
 	 * Note that, if this has been set, `channel_id` will be equivalent to
 	 * `funding_txo.unwrap().to_channel_id()`.
+	 * 
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
+	@Nullable
 	public OutPoint get_funding_txo() {
 		long ret = bindings.ChannelDetails_get_funding_txo(this.ptr);
+		if (ret < 1024) { return null; }
 		OutPoint ret_hu_conv = new OutPoint(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -77,8 +83,10 @@ public class ChannelDetails extends CommonBase {
 	 * 
 	 * Note that, if this has been set, `channel_id` will be equivalent to
 	 * `funding_txo.unwrap().to_channel_id()`.
+	 * 
+	 * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public void set_funding_txo(OutPoint val) {
+	public void set_funding_txo(@Nullable OutPoint val) {
 		bindings.ChannelDetails_set_funding_txo(this.ptr, val == null ? 0 : val.ptr & ~1);
 		this.ptrs_to.add(val);
 	}
@@ -89,6 +97,7 @@ public class ChannelDetails extends CommonBase {
 	 */
 	public Option_u64Z get_short_channel_id() {
 		long ret = bindings.ChannelDetails_get_short_channel_id(this.ptr);
+		if (ret < 1024) { return null; }
 		Option_u64Z ret_hu_conv = Option_u64Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -130,6 +139,7 @@ public class ChannelDetails extends CommonBase {
 	 */
 	public Option_u64Z get_unspendable_punishment_reserve() {
 		long ret = bindings.ChannelDetails_get_unspendable_punishment_reserve(this.ptr);
+		if (ret < 1024) { return null; }
 		Option_u64Z ret_hu_conv = Option_u64Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -240,6 +250,7 @@ public class ChannelDetails extends CommonBase {
 	 */
 	public Option_u32Z get_confirmations_required() {
 		long ret = bindings.ChannelDetails_get_confirmations_required(this.ptr);
+		if (ret < 1024) { return null; }
 		Option_u32Z ret_hu_conv = Option_u32Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -273,6 +284,7 @@ public class ChannelDetails extends CommonBase {
 	 */
 	public Option_u16Z get_force_close_spend_delay() {
 		long ret = bindings.ChannelDetails_get_force_close_spend_delay(this.ptr);
+		if (ret < 1024) { return null; }
 		Option_u16Z ret_hu_conv = Option_u16Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -374,6 +386,7 @@ public class ChannelDetails extends CommonBase {
 	 */
 	public static ChannelDetails of(byte[] channel_id_arg, ChannelCounterparty counterparty_arg, OutPoint funding_txo_arg, Option_u64Z short_channel_id_arg, long channel_value_satoshis_arg, Option_u64Z unspendable_punishment_reserve_arg, long user_id_arg, long outbound_capacity_msat_arg, long inbound_capacity_msat_arg, Option_u32Z confirmations_required_arg, Option_u16Z force_close_spend_delay_arg, boolean is_outbound_arg, boolean is_funding_locked_arg, boolean is_usable_arg, boolean is_public_arg) {
 		long ret = bindings.ChannelDetails_new(channel_id_arg, counterparty_arg == null ? 0 : counterparty_arg.ptr & ~1, funding_txo_arg == null ? 0 : funding_txo_arg.ptr & ~1, short_channel_id_arg.ptr, channel_value_satoshis_arg, unspendable_punishment_reserve_arg.ptr, user_id_arg, outbound_capacity_msat_arg, inbound_capacity_msat_arg, confirmations_required_arg.ptr, force_close_spend_delay_arg.ptr, is_outbound_arg, is_funding_locked_arg, is_usable_arg, is_public_arg);
+		if (ret < 1024) { return null; }
 		ChannelDetails ret_hu_conv = new ChannelDetails(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(counterparty_arg);
@@ -386,6 +399,7 @@ public class ChannelDetails extends CommonBase {
 	 */
 	public ChannelDetails clone() {
 		long ret = bindings.ChannelDetails_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelDetails ret_hu_conv = new ChannelDetails(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/ChannelFeatures.java b/src/main/java/org/ldk/structs/ChannelFeatures.java
index 04395a4e..c0e61d0a 100644
--- a/src/main/java/org/ldk/structs/ChannelFeatures.java
+++ b/src/main/java/org/ldk/structs/ChannelFeatures.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -34,6 +35,7 @@ public class ChannelFeatures extends CommonBase {
 	 */
 	public ChannelFeatures clone() {
 		long ret = bindings.ChannelFeatures_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelFeatures ret_hu_conv = new ChannelFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -44,6 +46,7 @@ public class ChannelFeatures extends CommonBase {
 	 */
 	public static ChannelFeatures empty() {
 		long ret = bindings.ChannelFeatures_empty();
+		if (ret < 1024) { return null; }
 		ChannelFeatures ret_hu_conv = new ChannelFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -54,6 +57,7 @@ public class ChannelFeatures extends CommonBase {
 	 */
 	public static ChannelFeatures known() {
 		long ret = bindings.ChannelFeatures_known();
+		if (ret < 1024) { return null; }
 		ChannelFeatures ret_hu_conv = new ChannelFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -72,6 +76,7 @@ public class ChannelFeatures extends CommonBase {
 	 */
 	public static Result_ChannelFeaturesDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.ChannelFeatures_read(ser);
+		if (ret < 1024) { return null; }
 		Result_ChannelFeaturesDecodeErrorZ ret_hu_conv = Result_ChannelFeaturesDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/ChannelHandshakeConfig.java b/src/main/java/org/ldk/structs/ChannelHandshakeConfig.java
index 414c7606..633a3677 100644
--- a/src/main/java/org/ldk/structs/ChannelHandshakeConfig.java
+++ b/src/main/java/org/ldk/structs/ChannelHandshakeConfig.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -118,6 +119,7 @@ public class ChannelHandshakeConfig extends CommonBase {
 	 */
 	public static ChannelHandshakeConfig of(int minimum_depth_arg, short our_to_self_delay_arg, long our_htlc_minimum_msat_arg) {
 		long ret = bindings.ChannelHandshakeConfig_new(minimum_depth_arg, our_to_self_delay_arg, our_htlc_minimum_msat_arg);
+		if (ret < 1024) { return null; }
 		ChannelHandshakeConfig ret_hu_conv = new ChannelHandshakeConfig(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -128,6 +130,7 @@ public class ChannelHandshakeConfig extends CommonBase {
 	 */
 	public ChannelHandshakeConfig clone() {
 		long ret = bindings.ChannelHandshakeConfig_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelHandshakeConfig ret_hu_conv = new ChannelHandshakeConfig(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -138,6 +141,7 @@ public class ChannelHandshakeConfig extends CommonBase {
 	 */
 	public static ChannelHandshakeConfig with_default() {
 		long ret = bindings.ChannelHandshakeConfig_default();
+		if (ret < 1024) { return null; }
 		ChannelHandshakeConfig ret_hu_conv = new ChannelHandshakeConfig(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/ChannelHandshakeLimits.java b/src/main/java/org/ldk/structs/ChannelHandshakeLimits.java
index c94c6ef3..93bb3a1f 100644
--- a/src/main/java/org/ldk/structs/ChannelHandshakeLimits.java
+++ b/src/main/java/org/ldk/structs/ChannelHandshakeLimits.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -221,6 +222,7 @@ public class ChannelHandshakeLimits extends CommonBase {
 	 */
 	public static ChannelHandshakeLimits of(long min_funding_satoshis_arg, long max_htlc_minimum_msat_arg, long min_max_htlc_value_in_flight_msat_arg, long max_channel_reserve_satoshis_arg, short min_max_accepted_htlcs_arg, int max_minimum_depth_arg, boolean force_announced_channel_preference_arg, short their_to_self_delay_arg) {
 		long ret = bindings.ChannelHandshakeLimits_new(min_funding_satoshis_arg, max_htlc_minimum_msat_arg, min_max_htlc_value_in_flight_msat_arg, max_channel_reserve_satoshis_arg, min_max_accepted_htlcs_arg, max_minimum_depth_arg, force_announced_channel_preference_arg, their_to_self_delay_arg);
+		if (ret < 1024) { return null; }
 		ChannelHandshakeLimits ret_hu_conv = new ChannelHandshakeLimits(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -231,6 +233,7 @@ public class ChannelHandshakeLimits extends CommonBase {
 	 */
 	public ChannelHandshakeLimits clone() {
 		long ret = bindings.ChannelHandshakeLimits_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelHandshakeLimits ret_hu_conv = new ChannelHandshakeLimits(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -241,6 +244,7 @@ public class ChannelHandshakeLimits extends CommonBase {
 	 */
 	public static ChannelHandshakeLimits with_default() {
 		long ret = bindings.ChannelHandshakeLimits_default();
+		if (ret < 1024) { return null; }
 		ChannelHandshakeLimits ret_hu_conv = new ChannelHandshakeLimits(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/ChannelInfo.java b/src/main/java/org/ldk/structs/ChannelInfo.java
index bc2e5719..9f7e5bd0 100644
--- a/src/main/java/org/ldk/structs/ChannelInfo.java
+++ b/src/main/java/org/ldk/structs/ChannelInfo.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -24,6 +25,7 @@ public class ChannelInfo extends CommonBase {
 	 */
 	public ChannelFeatures get_features() {
 		long ret = bindings.ChannelInfo_get_features(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelFeatures ret_hu_conv = new ChannelFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -54,9 +56,13 @@ public class ChannelInfo extends CommonBase {
 
 	/**
 	 * Details about the first direction of a channel
+	 * 
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
+	@Nullable
 	public DirectionalChannelInfo get_one_to_two() {
 		long ret = bindings.ChannelInfo_get_one_to_two(this.ptr);
+		if (ret < 1024) { return null; }
 		DirectionalChannelInfo ret_hu_conv = new DirectionalChannelInfo(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -64,8 +70,10 @@ public class ChannelInfo extends CommonBase {
 
 	/**
 	 * Details about the first direction of a channel
+	 * 
+	 * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public void set_one_to_two(DirectionalChannelInfo val) {
+	public void set_one_to_two(@Nullable DirectionalChannelInfo val) {
 		bindings.ChannelInfo_set_one_to_two(this.ptr, val == null ? 0 : val.ptr & ~1);
 		this.ptrs_to.add(val);
 	}
@@ -87,9 +95,13 @@ public class ChannelInfo extends CommonBase {
 
 	/**
 	 * Details about the second direction of a channel
+	 * 
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
+	@Nullable
 	public DirectionalChannelInfo get_two_to_one() {
 		long ret = bindings.ChannelInfo_get_two_to_one(this.ptr);
+		if (ret < 1024) { return null; }
 		DirectionalChannelInfo ret_hu_conv = new DirectionalChannelInfo(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -97,8 +109,10 @@ public class ChannelInfo extends CommonBase {
 
 	/**
 	 * Details about the second direction of a channel
+	 * 
+	 * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public void set_two_to_one(DirectionalChannelInfo val) {
+	public void set_two_to_one(@Nullable DirectionalChannelInfo val) {
 		bindings.ChannelInfo_set_two_to_one(this.ptr, val == null ? 0 : val.ptr & ~1);
 		this.ptrs_to.add(val);
 	}
@@ -108,6 +122,7 @@ public class ChannelInfo extends CommonBase {
 	 */
 	public Option_u64Z get_capacity_sats() {
 		long ret = bindings.ChannelInfo_get_capacity_sats(this.ptr);
+		if (ret < 1024) { return null; }
 		Option_u64Z ret_hu_conv = Option_u64Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -125,9 +140,13 @@ public class ChannelInfo extends CommonBase {
 	 * Mostly redundant with the data we store in fields explicitly.
 	 * Everything else is useful only for sending out for initial routing sync.
 	 * Not stored if contains excess data to prevent DoS.
+	 * 
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
+	@Nullable
 	public ChannelAnnouncement get_announcement_message() {
 		long ret = bindings.ChannelInfo_get_announcement_message(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelAnnouncement ret_hu_conv = new ChannelAnnouncement(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -138,8 +157,10 @@ public class ChannelInfo extends CommonBase {
 	 * Mostly redundant with the data we store in fields explicitly.
 	 * Everything else is useful only for sending out for initial routing sync.
 	 * Not stored if contains excess data to prevent DoS.
+	 * 
+	 * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public void set_announcement_message(ChannelAnnouncement val) {
+	public void set_announcement_message(@Nullable ChannelAnnouncement val) {
 		bindings.ChannelInfo_set_announcement_message(this.ptr, val == null ? 0 : val.ptr & ~1);
 		this.ptrs_to.add(val);
 	}
@@ -149,6 +170,7 @@ public class ChannelInfo extends CommonBase {
 	 */
 	public static ChannelInfo of(ChannelFeatures features_arg, byte[] node_one_arg, DirectionalChannelInfo one_to_two_arg, byte[] node_two_arg, DirectionalChannelInfo two_to_one_arg, Option_u64Z capacity_sats_arg, ChannelAnnouncement announcement_message_arg) {
 		long ret = bindings.ChannelInfo_new(features_arg == null ? 0 : features_arg.ptr & ~1, node_one_arg, one_to_two_arg == null ? 0 : one_to_two_arg.ptr & ~1, node_two_arg, two_to_one_arg == null ? 0 : two_to_one_arg.ptr & ~1, capacity_sats_arg.ptr, announcement_message_arg == null ? 0 : announcement_message_arg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		ChannelInfo ret_hu_conv = new ChannelInfo(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(features_arg);
@@ -163,6 +185,7 @@ public class ChannelInfo extends CommonBase {
 	 */
 	public ChannelInfo clone() {
 		long ret = bindings.ChannelInfo_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelInfo ret_hu_conv = new ChannelInfo(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -181,6 +204,7 @@ public class ChannelInfo extends CommonBase {
 	 */
 	public static Result_ChannelInfoDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.ChannelInfo_read(ser);
+		if (ret < 1024) { return null; }
 		Result_ChannelInfoDecodeErrorZ ret_hu_conv = Result_ChannelInfoDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/ChannelManager.java b/src/main/java/org/ldk/structs/ChannelManager.java
index 60176ba1..923f5b30 100644
--- a/src/main/java/org/ldk/structs/ChannelManager.java
+++ b/src/main/java/org/ldk/structs/ChannelManager.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -69,6 +70,7 @@ public class ChannelManager extends CommonBase {
 	 */
 	public static ChannelManager of(FeeEstimator fee_est, Watch chain_monitor, BroadcasterInterface tx_broadcaster, Logger logger, KeysInterface keys_manager, UserConfig config, ChainParameters params) {
 		long ret = bindings.ChannelManager_new(fee_est == null ? 0 : fee_est.ptr, chain_monitor == null ? 0 : chain_monitor.ptr, tx_broadcaster == null ? 0 : tx_broadcaster.ptr, logger == null ? 0 : logger.ptr, keys_manager == null ? 0 : keys_manager.ptr, config == null ? 0 : config.ptr & ~1, params == null ? 0 : params.ptr & ~1);
+		if (ret < 1024) { return null; }
 		ChannelManager ret_hu_conv = new ChannelManager(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(fee_est);
@@ -86,6 +88,7 @@ public class ChannelManager extends CommonBase {
 	 */
 	public UserConfig get_current_default_configuration() {
 		long ret = bindings.ChannelManager_get_current_default_configuration(this.ptr);
+		if (ret < 1024) { return null; }
 		UserConfig ret_hu_conv = new UserConfig(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -109,9 +112,12 @@ public class ChannelManager extends CommonBase {
 	 * Note that we do not check if you are currently connected to the given peer. If no
 	 * connection is available, the outbound `open_channel` message may fail to send, resulting in
 	 * the channel eventually being silently forgotten.
+	 * 
+	 * Note that override_config (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public Result_NoneAPIErrorZ create_channel(byte[] their_network_key, long channel_value_satoshis, long push_msat, long user_id, UserConfig override_config) {
+	public Result_NoneAPIErrorZ create_channel(byte[] their_network_key, long channel_value_satoshis, long push_msat, long user_id, @Nullable UserConfig override_config) {
 		long ret = bindings.ChannelManager_create_channel(this.ptr, their_network_key, channel_value_satoshis, push_msat, user_id, override_config == null ? 0 : override_config.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NoneAPIErrorZ ret_hu_conv = Result_NoneAPIErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(override_config);
 		return ret_hu_conv;
@@ -162,6 +168,7 @@ public class ChannelManager extends CommonBase {
 	 */
 	public Result_NoneAPIErrorZ close_channel(byte[] channel_id) {
 		long ret = bindings.ChannelManager_close_channel(this.ptr, channel_id);
+		if (ret < 1024) { return null; }
 		Result_NoneAPIErrorZ ret_hu_conv = Result_NoneAPIErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -172,6 +179,7 @@ public class ChannelManager extends CommonBase {
 	 */
 	public Result_NoneAPIErrorZ force_close_channel(byte[] channel_id) {
 		long ret = bindings.ChannelManager_force_close_channel(this.ptr, channel_id);
+		if (ret < 1024) { return null; }
 		Result_NoneAPIErrorZ ret_hu_conv = Result_NoneAPIErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -224,9 +232,12 @@ public class ChannelManager extends CommonBase {
 	 * If a payment_secret *is* provided, we assume that the invoice had the payment_secret feature
 	 * bit set (either as required or as available). If multiple paths are present in the Route,
 	 * we assume the invoice had the basic_mpp feature set.
+	 * 
+	 * Note that payment_secret (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public Result_NonePaymentSendFailureZ send_payment(Route route, byte[] payment_hash, byte[] payment_secret) {
+	public Result_NonePaymentSendFailureZ send_payment(Route route, byte[] payment_hash, @Nullable byte[] payment_secret) {
 		long ret = bindings.ChannelManager_send_payment(this.ptr, route == null ? 0 : route.ptr & ~1, payment_hash, payment_secret);
+		if (ret < 1024) { return null; }
 		Result_NonePaymentSendFailureZ ret_hu_conv = Result_NonePaymentSendFailureZ.constr_from_ptr(ret);
 		this.ptrs_to.add(route);
 		return ret_hu_conv;
@@ -256,6 +267,7 @@ public class ChannelManager extends CommonBase {
 	 */
 	public Result_NoneAPIErrorZ funding_transaction_generated(byte[] temporary_channel_id, byte[] funding_transaction) {
 		long ret = bindings.ChannelManager_funding_transaction_generated(this.ptr, temporary_channel_id, funding_transaction);
+		if (ret < 1024) { return null; }
 		Result_NoneAPIErrorZ ret_hu_conv = Result_NoneAPIErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -281,7 +293,7 @@ public class ChannelManager extends CommonBase {
 	 * [`get_and_clear_pending_msg_events`]: MessageSendEventsProvider::get_and_clear_pending_msg_events
 	 */
 	public void broadcast_node_announcement(byte[] rgb, byte[] alias, NetAddress[] addresses) {
-		bindings.ChannelManager_broadcast_node_announcement(this.ptr, rgb, alias, Arrays.stream(addresses).mapToLong(addresses_conv_12 -> addresses_conv_12.ptr).toArray());
+		bindings.ChannelManager_broadcast_node_announcement(this.ptr, rgb, alias, addresses != null ? Arrays.stream(addresses).mapToLong(addresses_conv_12 -> addresses_conv_12.ptr).toArray() : null);
 		/* TODO 2 NetAddress  */;
 	}
 
@@ -395,6 +407,7 @@ public class ChannelManager extends CommonBase {
 	 */
 	public TwoTuple<byte[], byte[]> create_inbound_payment(Option_u64Z min_value_msat, int invoice_expiry_delta_secs, long user_payment_id) {
 		long ret = bindings.ChannelManager_create_inbound_payment(this.ptr, min_value_msat.ptr, invoice_expiry_delta_secs, user_payment_id);
+		if (ret < 1024) { return null; }
 		byte[] ret_a = bindings.LDKC2Tuple_PaymentHashPaymentSecretZ_get_a(ret);
 		byte[] ret_b = bindings.LDKC2Tuple_PaymentHashPaymentSecretZ_get_b(ret);
 		TwoTuple<byte[], byte[]> ret_conv = new TwoTuple<byte[], byte[]>(ret_a, ret_b, () -> {
@@ -452,6 +465,7 @@ public class ChannelManager extends CommonBase {
 	 */
 	public Result_PaymentSecretAPIErrorZ create_inbound_payment_for_hash(byte[] payment_hash, Option_u64Z min_value_msat, int invoice_expiry_delta_secs, long user_payment_id) {
 		long ret = bindings.ChannelManager_create_inbound_payment_for_hash(this.ptr, payment_hash, min_value_msat.ptr, invoice_expiry_delta_secs, user_payment_id);
+		if (ret < 1024) { return null; }
 		Result_PaymentSecretAPIErrorZ ret_hu_conv = Result_PaymentSecretAPIErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -462,6 +476,7 @@ public class ChannelManager extends CommonBase {
 	 */
 	public MessageSendEventsProvider as_MessageSendEventsProvider() {
 		long ret = bindings.ChannelManager_as_MessageSendEventsProvider(this.ptr);
+		if (ret < 1024) { return null; }
 		MessageSendEventsProvider ret_hu_conv = new MessageSendEventsProvider(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -473,6 +488,7 @@ public class ChannelManager extends CommonBase {
 	 */
 	public EventsProvider as_EventsProvider() {
 		long ret = bindings.ChannelManager_as_EventsProvider(this.ptr);
+		if (ret < 1024) { return null; }
 		EventsProvider ret_hu_conv = new EventsProvider(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -484,6 +500,7 @@ public class ChannelManager extends CommonBase {
 	 */
 	public Listen as_Listen() {
 		long ret = bindings.ChannelManager_as_Listen(this.ptr);
+		if (ret < 1024) { return null; }
 		Listen ret_hu_conv = new Listen(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -495,6 +512,7 @@ public class ChannelManager extends CommonBase {
 	 */
 	public Confirm as_Confirm() {
 		long ret = bindings.ChannelManager_as_Confirm(this.ptr);
+		if (ret < 1024) { return null; }
 		Confirm ret_hu_conv = new Confirm(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -527,6 +545,7 @@ public class ChannelManager extends CommonBase {
 	 */
 	public BestBlock current_best_block() {
 		long ret = bindings.ChannelManager_current_best_block(this.ptr);
+		if (ret < 1024) { return null; }
 		BestBlock ret_hu_conv = new BestBlock(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -538,6 +557,7 @@ public class ChannelManager extends CommonBase {
 	 */
 	public ChannelMessageHandler as_ChannelMessageHandler() {
 		long ret = bindings.ChannelManager_as_ChannelMessageHandler(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelMessageHandler ret_hu_conv = new ChannelMessageHandler(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/ChannelManagerPersister.java b/src/main/java/org/ldk/structs/ChannelManagerPersister.java
index 1bbc3e30..abff5e62 100644
--- a/src/main/java/org/ldk/structs/ChannelManagerPersister.java
+++ b/src/main/java/org/ldk/structs/ChannelManagerPersister.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 /**
  * Trait which handles persisting a [`ChannelManager`] to disk.
@@ -54,6 +55,7 @@ public class ChannelManagerPersister extends CommonBase {
 	 */
 	public Result_NoneErrorZ persist_manager(ChannelManager channel_manager) {
 		long ret = bindings.ChannelManagerPersister_persist_manager(this.ptr, channel_manager == null ? 0 : channel_manager.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NoneErrorZ ret_hu_conv = Result_NoneErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(channel_manager);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/ChannelManagerReadArgs.java b/src/main/java/org/ldk/structs/ChannelManagerReadArgs.java
index 8f49dd3f..5669175e 100644
--- a/src/main/java/org/ldk/structs/ChannelManagerReadArgs.java
+++ b/src/main/java/org/ldk/structs/ChannelManagerReadArgs.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -49,6 +50,7 @@ public class ChannelManagerReadArgs extends CommonBase {
 	 */
 	public KeysInterface get_keys_manager() {
 		long ret = bindings.ChannelManagerReadArgs_get_keys_manager(this.ptr);
+		if (ret < 1024) { return null; }
 		KeysInterface ret_hu_conv = new KeysInterface(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -71,6 +73,7 @@ public class ChannelManagerReadArgs extends CommonBase {
 	 */
 	public FeeEstimator get_fee_estimator() {
 		long ret = bindings.ChannelManagerReadArgs_get_fee_estimator(this.ptr);
+		if (ret < 1024) { return null; }
 		FeeEstimator ret_hu_conv = new FeeEstimator(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -95,6 +98,7 @@ public class ChannelManagerReadArgs extends CommonBase {
 	 */
 	public Watch get_chain_monitor() {
 		long ret = bindings.ChannelManagerReadArgs_get_chain_monitor(this.ptr);
+		if (ret < 1024) { return null; }
 		Watch ret_hu_conv = new Watch(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -119,6 +123,7 @@ public class ChannelManagerReadArgs extends CommonBase {
 	 */
 	public BroadcasterInterface get_tx_broadcaster() {
 		long ret = bindings.ChannelManagerReadArgs_get_tx_broadcaster(this.ptr);
+		if (ret < 1024) { return null; }
 		BroadcasterInterface ret_hu_conv = new BroadcasterInterface(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -140,6 +145,7 @@ public class ChannelManagerReadArgs extends CommonBase {
 	 */
 	public Logger get_logger() {
 		long ret = bindings.ChannelManagerReadArgs_get_logger(this.ptr);
+		if (ret < 1024) { return null; }
 		Logger ret_hu_conv = new Logger(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -160,6 +166,7 @@ public class ChannelManagerReadArgs extends CommonBase {
 	 */
 	public UserConfig get_default_config() {
 		long ret = bindings.ChannelManagerReadArgs_get_default_config(this.ptr);
+		if (ret < 1024) { return null; }
 		UserConfig ret_hu_conv = new UserConfig(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -180,7 +187,8 @@ public class ChannelManagerReadArgs extends CommonBase {
 	 * populate a HashMap directly from C.
 	 */
 	public static ChannelManagerReadArgs of(KeysInterface keys_manager, FeeEstimator fee_estimator, Watch chain_monitor, BroadcasterInterface tx_broadcaster, Logger logger, UserConfig default_config, ChannelMonitor[] channel_monitors) {
-		long ret = bindings.ChannelManagerReadArgs_new(keys_manager == null ? 0 : keys_manager.ptr, fee_estimator == null ? 0 : fee_estimator.ptr, chain_monitor == null ? 0 : chain_monitor.ptr, tx_broadcaster == null ? 0 : tx_broadcaster.ptr, logger == null ? 0 : logger.ptr, default_config == null ? 0 : default_config.ptr & ~1, Arrays.stream(channel_monitors).mapToLong(channel_monitors_conv_16 -> channel_monitors_conv_16 == null ? 0 : channel_monitors_conv_16.ptr & ~1).toArray());
+		long ret = bindings.ChannelManagerReadArgs_new(keys_manager == null ? 0 : keys_manager.ptr, fee_estimator == null ? 0 : fee_estimator.ptr, chain_monitor == null ? 0 : chain_monitor.ptr, tx_broadcaster == null ? 0 : tx_broadcaster.ptr, logger == null ? 0 : logger.ptr, default_config == null ? 0 : default_config.ptr & ~1, channel_monitors != null ? Arrays.stream(channel_monitors).mapToLong(channel_monitors_conv_16 -> channel_monitors_conv_16 == null ? 0 : channel_monitors_conv_16.ptr & ~1).toArray() : null);
+		if (ret < 1024) { return null; }
 		ChannelManagerReadArgs ret_hu_conv = new ChannelManagerReadArgs(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(keys_manager);
diff --git a/src/main/java/org/ldk/structs/ChannelMessageHandler.java b/src/main/java/org/ldk/structs/ChannelMessageHandler.java
index c5bb6272..e694bb9d 100644
--- a/src/main/java/org/ldk/structs/ChannelMessageHandler.java
+++ b/src/main/java/org/ldk/structs/ChannelMessageHandler.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 /**
  * A trait to describe an object which can receive channel messages.
@@ -202,6 +203,16 @@ public class ChannelMessageHandler extends CommonBase {
 		}, MessageSendEventsProvider.new_impl(MessageSendEventsProvider_impl).bindings_instance);
 		return impl_holder.held;
 	}
+
+	/**
+	 * Gets the underlying MessageSendEventsProvider.
+	 */
+	public MessageSendEventsProvider get_message_send_events_provider() {
+		MessageSendEventsProvider res = new MessageSendEventsProvider(null, bindings.LDKChannelMessageHandler_get_MessageSendEventsProvider(this.ptr));
+		this.ptrs_to.add(res);
+		return res;
+	}
+
 	/**
 	 * Handle an incoming open_channel message from the given peer.
 	 */
diff --git a/src/main/java/org/ldk/structs/ChannelMonitor.java b/src/main/java/org/ldk/structs/ChannelMonitor.java
index 68b04ace..75d8140b 100644
--- a/src/main/java/org/ldk/structs/ChannelMonitor.java
+++ b/src/main/java/org/ldk/structs/ChannelMonitor.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -38,6 +39,7 @@ public class ChannelMonitor extends CommonBase {
 	 */
 	public ChannelMonitor clone() {
 		long ret = bindings.ChannelMonitor_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelMonitor ret_hu_conv = new ChannelMonitor(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -59,6 +61,7 @@ public class ChannelMonitor extends CommonBase {
 	 */
 	public Result_NoneMonitorUpdateErrorZ update_monitor(ChannelMonitorUpdate updates, BroadcasterInterface broadcaster, FeeEstimator fee_estimator, Logger logger) {
 		long ret = bindings.ChannelMonitor_update_monitor(this.ptr, updates == null ? 0 : updates.ptr & ~1, broadcaster == null ? 0 : broadcaster.ptr, fee_estimator == null ? 0 : fee_estimator.ptr, logger == null ? 0 : logger.ptr);
+		if (ret < 1024) { return null; }
 		Result_NoneMonitorUpdateErrorZ ret_hu_conv = Result_NoneMonitorUpdateErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(updates);
 		this.ptrs_to.add(broadcaster);
@@ -81,6 +84,7 @@ public class ChannelMonitor extends CommonBase {
 	 */
 	public TwoTuple<OutPoint, byte[]> get_funding_txo() {
 		long ret = bindings.ChannelMonitor_get_funding_txo(this.ptr);
+		if (ret < 1024) { return null; }
 		long ret_a = bindings.LDKC2Tuple_OutPointScriptZ_get_a(ret);
 		OutPoint ret_a_hu_conv = new OutPoint(null, ret_a);
 		ret_a_hu_conv.ptrs_to.add(this);;
@@ -197,7 +201,7 @@ public class ChannelMonitor extends CommonBase {
 	 * [`get_outputs_to_watch`]: #method.get_outputs_to_watch
 	 */
 	public TwoTuple<byte[], TwoTuple<Integer, TxOut>[]>[] block_connected(byte[] header, TwoTuple<Long, byte[]>[] txdata, int height, BroadcasterInterface broadcaster, FeeEstimator fee_estimator, Logger logger) {
-		long[] ret = bindings.ChannelMonitor_block_connected(this.ptr, header, Arrays.stream(txdata).mapToLong(txdata_conv_24 -> bindings.C2Tuple_usizeTransactionZ_new(txdata_conv_24.a, txdata_conv_24.b)).toArray(), height, broadcaster == null ? 0 : broadcaster.ptr, fee_estimator == null ? 0 : fee_estimator.ptr, logger == null ? 0 : logger.ptr);
+		long[] ret = bindings.ChannelMonitor_block_connected(this.ptr, header, txdata != null ? Arrays.stream(txdata).mapToLong(txdata_conv_24 -> bindings.C2Tuple_usizeTransactionZ_new(txdata_conv_24.a, txdata_conv_24.b)).toArray() : null, height, broadcaster == null ? 0 : broadcaster.ptr, fee_estimator == null ? 0 : fee_estimator.ptr, logger == null ? 0 : logger.ptr);
 		TwoTuple<byte[], TwoTuple<Integer, TxOut>[]>[] ret_conv_46_arr = new TwoTuple[ret.length];
 		for (int u = 0; u < ret.length; u++) {
 			long ret_conv_46 = ret[u];
@@ -247,7 +251,7 @@ public class ChannelMonitor extends CommonBase {
 	 * [`block_connected`]: Self::block_connected
 	 */
 	public TwoTuple<byte[], TwoTuple<Integer, TxOut>[]>[] transactions_confirmed(byte[] header, TwoTuple<Long, byte[]>[] txdata, int height, BroadcasterInterface broadcaster, FeeEstimator fee_estimator, Logger logger) {
-		long[] ret = bindings.ChannelMonitor_transactions_confirmed(this.ptr, header, Arrays.stream(txdata).mapToLong(txdata_conv_24 -> bindings.C2Tuple_usizeTransactionZ_new(txdata_conv_24.a, txdata_conv_24.b)).toArray(), height, broadcaster == null ? 0 : broadcaster.ptr, fee_estimator == null ? 0 : fee_estimator.ptr, logger == null ? 0 : logger.ptr);
+		long[] ret = bindings.ChannelMonitor_transactions_confirmed(this.ptr, header, txdata != null ? Arrays.stream(txdata).mapToLong(txdata_conv_24 -> bindings.C2Tuple_usizeTransactionZ_new(txdata_conv_24.a, txdata_conv_24.b)).toArray() : null, height, broadcaster == null ? 0 : broadcaster.ptr, fee_estimator == null ? 0 : fee_estimator.ptr, logger == null ? 0 : logger.ptr);
 		TwoTuple<byte[], TwoTuple<Integer, TxOut>[]>[] ret_conv_46_arr = new TwoTuple[ret.length];
 		for (int u = 0; u < ret.length; u++) {
 			long ret_conv_46 = ret[u];
@@ -343,6 +347,7 @@ public class ChannelMonitor extends CommonBase {
 	 */
 	public BestBlock current_best_block() {
 		long ret = bindings.ChannelMonitor_current_best_block(this.ptr);
+		if (ret < 1024) { return null; }
 		BestBlock ret_hu_conv = new BestBlock(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/ChannelMonitorUpdate.java b/src/main/java/org/ldk/structs/ChannelMonitorUpdate.java
index fec769a5..14015a01 100644
--- a/src/main/java/org/ldk/structs/ChannelMonitorUpdate.java
+++ b/src/main/java/org/ldk/structs/ChannelMonitorUpdate.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -59,6 +60,7 @@ public class ChannelMonitorUpdate extends CommonBase {
 	 */
 	public ChannelMonitorUpdate clone() {
 		long ret = bindings.ChannelMonitorUpdate_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelMonitorUpdate ret_hu_conv = new ChannelMonitorUpdate(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -77,6 +79,7 @@ public class ChannelMonitorUpdate extends CommonBase {
 	 */
 	public static Result_ChannelMonitorUpdateDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.ChannelMonitorUpdate_read(ser);
+		if (ret < 1024) { return null; }
 		Result_ChannelMonitorUpdateDecodeErrorZ ret_hu_conv = Result_ChannelMonitorUpdateDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/ChannelPublicKeys.java b/src/main/java/org/ldk/structs/ChannelPublicKeys.java
index 1d595299..49c0fcf3 100644
--- a/src/main/java/org/ldk/structs/ChannelPublicKeys.java
+++ b/src/main/java/org/ldk/structs/ChannelPublicKeys.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -116,6 +117,7 @@ public class ChannelPublicKeys extends CommonBase {
 	 */
 	public static ChannelPublicKeys of(byte[] funding_pubkey_arg, byte[] revocation_basepoint_arg, byte[] payment_point_arg, byte[] delayed_payment_basepoint_arg, byte[] htlc_basepoint_arg) {
 		long ret = bindings.ChannelPublicKeys_new(funding_pubkey_arg, revocation_basepoint_arg, payment_point_arg, delayed_payment_basepoint_arg, htlc_basepoint_arg);
+		if (ret < 1024) { return null; }
 		ChannelPublicKeys ret_hu_conv = new ChannelPublicKeys(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -126,6 +128,7 @@ public class ChannelPublicKeys extends CommonBase {
 	 */
 	public ChannelPublicKeys clone() {
 		long ret = bindings.ChannelPublicKeys_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelPublicKeys ret_hu_conv = new ChannelPublicKeys(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -144,6 +147,7 @@ public class ChannelPublicKeys extends CommonBase {
 	 */
 	public static Result_ChannelPublicKeysDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.ChannelPublicKeys_read(ser);
+		if (ret < 1024) { return null; }
 		Result_ChannelPublicKeysDecodeErrorZ ret_hu_conv = Result_ChannelPublicKeysDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/ChannelReestablish.java b/src/main/java/org/ldk/structs/ChannelReestablish.java
index 120a4c04..c3eb2507 100644
--- a/src/main/java/org/ldk/structs/ChannelReestablish.java
+++ b/src/main/java/org/ldk/structs/ChannelReestablish.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -68,6 +69,7 @@ public class ChannelReestablish extends CommonBase {
 	 */
 	public ChannelReestablish clone() {
 		long ret = bindings.ChannelReestablish_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelReestablish ret_hu_conv = new ChannelReestablish(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -86,6 +88,7 @@ public class ChannelReestablish extends CommonBase {
 	 */
 	public static Result_ChannelReestablishDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.ChannelReestablish_read(ser);
+		if (ret < 1024) { return null; }
 		Result_ChannelReestablishDecodeErrorZ ret_hu_conv = Result_ChannelReestablishDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/ChannelTransactionParameters.java b/src/main/java/org/ldk/structs/ChannelTransactionParameters.java
index 747064b2..980ed9e0 100644
--- a/src/main/java/org/ldk/structs/ChannelTransactionParameters.java
+++ b/src/main/java/org/ldk/structs/ChannelTransactionParameters.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -27,6 +28,7 @@ public class ChannelTransactionParameters extends CommonBase {
 	 */
 	public ChannelPublicKeys get_holder_pubkeys() {
 		long ret = bindings.ChannelTransactionParameters_get_holder_pubkeys(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelPublicKeys ret_hu_conv = new ChannelPublicKeys(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -75,9 +77,13 @@ public class ChannelTransactionParameters extends CommonBase {
 	/**
 	 * The late-bound counterparty channel transaction parameters.
 	 * These parameters are populated at the point in the protocol where the counterparty provides them.
+	 * 
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
+	@Nullable
 	public CounterpartyChannelTransactionParameters get_counterparty_parameters() {
 		long ret = bindings.ChannelTransactionParameters_get_counterparty_parameters(this.ptr);
+		if (ret < 1024) { return null; }
 		CounterpartyChannelTransactionParameters ret_hu_conv = new CounterpartyChannelTransactionParameters(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -86,17 +92,23 @@ public class ChannelTransactionParameters extends CommonBase {
 	/**
 	 * The late-bound counterparty channel transaction parameters.
 	 * These parameters are populated at the point in the protocol where the counterparty provides them.
+	 * 
+	 * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public void set_counterparty_parameters(CounterpartyChannelTransactionParameters val) {
+	public void set_counterparty_parameters(@Nullable CounterpartyChannelTransactionParameters val) {
 		bindings.ChannelTransactionParameters_set_counterparty_parameters(this.ptr, val == null ? 0 : val.ptr & ~1);
 		this.ptrs_to.add(val);
 	}
 
 	/**
 	 * The late-bound funding outpoint
+	 * 
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
+	@Nullable
 	public OutPoint get_funding_outpoint() {
 		long ret = bindings.ChannelTransactionParameters_get_funding_outpoint(this.ptr);
+		if (ret < 1024) { return null; }
 		OutPoint ret_hu_conv = new OutPoint(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -104,8 +116,10 @@ public class ChannelTransactionParameters extends CommonBase {
 
 	/**
 	 * The late-bound funding outpoint
+	 * 
+	 * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public void set_funding_outpoint(OutPoint val) {
+	public void set_funding_outpoint(@Nullable OutPoint val) {
 		bindings.ChannelTransactionParameters_set_funding_outpoint(this.ptr, val == null ? 0 : val.ptr & ~1);
 		this.ptrs_to.add(val);
 	}
@@ -115,6 +129,7 @@ public class ChannelTransactionParameters extends CommonBase {
 	 */
 	public static ChannelTransactionParameters of(ChannelPublicKeys holder_pubkeys_arg, short holder_selected_contest_delay_arg, boolean is_outbound_from_holder_arg, CounterpartyChannelTransactionParameters counterparty_parameters_arg, OutPoint funding_outpoint_arg) {
 		long ret = bindings.ChannelTransactionParameters_new(holder_pubkeys_arg == null ? 0 : holder_pubkeys_arg.ptr & ~1, holder_selected_contest_delay_arg, is_outbound_from_holder_arg, counterparty_parameters_arg == null ? 0 : counterparty_parameters_arg.ptr & ~1, funding_outpoint_arg == null ? 0 : funding_outpoint_arg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		ChannelTransactionParameters ret_hu_conv = new ChannelTransactionParameters(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(holder_pubkeys_arg);
@@ -128,6 +143,7 @@ public class ChannelTransactionParameters extends CommonBase {
 	 */
 	public ChannelTransactionParameters clone() {
 		long ret = bindings.ChannelTransactionParameters_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelTransactionParameters ret_hu_conv = new ChannelTransactionParameters(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -149,6 +165,7 @@ public class ChannelTransactionParameters extends CommonBase {
 	 */
 	public DirectedChannelTransactionParameters as_holder_broadcastable() {
 		long ret = bindings.ChannelTransactionParameters_as_holder_broadcastable(this.ptr);
+		if (ret < 1024) { return null; }
 		DirectedChannelTransactionParameters ret_hu_conv = new DirectedChannelTransactionParameters(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -162,6 +179,7 @@ public class ChannelTransactionParameters extends CommonBase {
 	 */
 	public DirectedChannelTransactionParameters as_counterparty_broadcastable() {
 		long ret = bindings.ChannelTransactionParameters_as_counterparty_broadcastable(this.ptr);
+		if (ret < 1024) { return null; }
 		DirectedChannelTransactionParameters ret_hu_conv = new DirectedChannelTransactionParameters(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -180,6 +198,7 @@ public class ChannelTransactionParameters extends CommonBase {
 	 */
 	public static Result_ChannelTransactionParametersDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.ChannelTransactionParameters_read(ser);
+		if (ret < 1024) { return null; }
 		Result_ChannelTransactionParametersDecodeErrorZ ret_hu_conv = Result_ChannelTransactionParametersDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/ChannelUpdate.java b/src/main/java/org/ldk/structs/ChannelUpdate.java
index d121b628..f55325ae 100644
--- a/src/main/java/org/ldk/structs/ChannelUpdate.java
+++ b/src/main/java/org/ldk/structs/ChannelUpdate.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -38,6 +39,7 @@ public class ChannelUpdate extends CommonBase {
 	 */
 	public UnsignedChannelUpdate get_contents() {
 		long ret = bindings.ChannelUpdate_get_contents(this.ptr);
+		if (ret < 1024) { return null; }
 		UnsignedChannelUpdate ret_hu_conv = new UnsignedChannelUpdate(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -56,6 +58,7 @@ public class ChannelUpdate extends CommonBase {
 	 */
 	public static ChannelUpdate of(byte[] signature_arg, UnsignedChannelUpdate contents_arg) {
 		long ret = bindings.ChannelUpdate_new(signature_arg, contents_arg == null ? 0 : contents_arg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		ChannelUpdate ret_hu_conv = new ChannelUpdate(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(contents_arg);
@@ -67,6 +70,7 @@ public class ChannelUpdate extends CommonBase {
 	 */
 	public ChannelUpdate clone() {
 		long ret = bindings.ChannelUpdate_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelUpdate ret_hu_conv = new ChannelUpdate(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -85,6 +89,7 @@ public class ChannelUpdate extends CommonBase {
 	 */
 	public static Result_ChannelUpdateDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.ChannelUpdate_read(ser);
+		if (ret < 1024) { return null; }
 		Result_ChannelUpdateDecodeErrorZ ret_hu_conv = Result_ChannelUpdateDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/ClosingSigned.java b/src/main/java/org/ldk/structs/ClosingSigned.java
index cd5070e7..83482b26 100644
--- a/src/main/java/org/ldk/structs/ClosingSigned.java
+++ b/src/main/java/org/ldk/structs/ClosingSigned.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -68,6 +69,7 @@ public class ClosingSigned extends CommonBase {
 	 */
 	public static ClosingSigned of(byte[] channel_id_arg, long fee_satoshis_arg, byte[] signature_arg) {
 		long ret = bindings.ClosingSigned_new(channel_id_arg, fee_satoshis_arg, signature_arg);
+		if (ret < 1024) { return null; }
 		ClosingSigned ret_hu_conv = new ClosingSigned(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -78,6 +80,7 @@ public class ClosingSigned extends CommonBase {
 	 */
 	public ClosingSigned clone() {
 		long ret = bindings.ClosingSigned_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ClosingSigned ret_hu_conv = new ClosingSigned(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -96,6 +99,7 @@ public class ClosingSigned extends CommonBase {
 	 */
 	public static Result_ClosingSignedDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.ClosingSigned_read(ser);
+		if (ret < 1024) { return null; }
 		Result_ClosingSignedDecodeErrorZ ret_hu_conv = Result_ClosingSignedDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/CommitmentSigned.java b/src/main/java/org/ldk/structs/CommitmentSigned.java
index 33893520..487c099e 100644
--- a/src/main/java/org/ldk/structs/CommitmentSigned.java
+++ b/src/main/java/org/ldk/structs/CommitmentSigned.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -60,6 +61,7 @@ public class CommitmentSigned extends CommonBase {
 	 */
 	public static CommitmentSigned of(byte[] channel_id_arg, byte[] signature_arg, byte[][] htlc_signatures_arg) {
 		long ret = bindings.CommitmentSigned_new(channel_id_arg, signature_arg, htlc_signatures_arg);
+		if (ret < 1024) { return null; }
 		CommitmentSigned ret_hu_conv = new CommitmentSigned(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -70,6 +72,7 @@ public class CommitmentSigned extends CommonBase {
 	 */
 	public CommitmentSigned clone() {
 		long ret = bindings.CommitmentSigned_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		CommitmentSigned ret_hu_conv = new CommitmentSigned(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -88,6 +91,7 @@ public class CommitmentSigned extends CommonBase {
 	 */
 	public static Result_CommitmentSignedDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.CommitmentSigned_read(ser);
+		if (ret < 1024) { return null; }
 		Result_CommitmentSignedDecodeErrorZ ret_hu_conv = Result_CommitmentSignedDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/CommitmentTransaction.java b/src/main/java/org/ldk/structs/CommitmentTransaction.java
index 42f044ac..ceb8a799 100644
--- a/src/main/java/org/ldk/structs/CommitmentTransaction.java
+++ b/src/main/java/org/ldk/structs/CommitmentTransaction.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -28,6 +29,7 @@ public class CommitmentTransaction extends CommonBase {
 	 */
 	public CommitmentTransaction clone() {
 		long ret = bindings.CommitmentTransaction_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		CommitmentTransaction ret_hu_conv = new CommitmentTransaction(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -46,6 +48,7 @@ public class CommitmentTransaction extends CommonBase {
 	 */
 	public static Result_CommitmentTransactionDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.CommitmentTransaction_read(ser);
+		if (ret < 1024) { return null; }
 		Result_CommitmentTransactionDecodeErrorZ ret_hu_conv = Result_CommitmentTransactionDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -92,6 +95,7 @@ public class CommitmentTransaction extends CommonBase {
 	 */
 	public TrustedCommitmentTransaction trust() {
 		long ret = bindings.CommitmentTransaction_trust(this.ptr);
+		if (ret < 1024) { return null; }
 		TrustedCommitmentTransaction ret_hu_conv = new TrustedCommitmentTransaction(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -107,6 +111,7 @@ public class CommitmentTransaction extends CommonBase {
 	 */
 	public Result_TrustedCommitmentTransactionNoneZ verify(DirectedChannelTransactionParameters channel_parameters, ChannelPublicKeys broadcaster_keys, ChannelPublicKeys countersignatory_keys) {
 		long ret = bindings.CommitmentTransaction_verify(this.ptr, channel_parameters == null ? 0 : channel_parameters.ptr & ~1, broadcaster_keys == null ? 0 : broadcaster_keys.ptr & ~1, countersignatory_keys == null ? 0 : countersignatory_keys.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_TrustedCommitmentTransactionNoneZ ret_hu_conv = Result_TrustedCommitmentTransactionNoneZ.constr_from_ptr(ret);
 		this.ptrs_to.add(channel_parameters);
 		this.ptrs_to.add(broadcaster_keys);
diff --git a/src/main/java/org/ldk/structs/CommitmentUpdate.java b/src/main/java/org/ldk/structs/CommitmentUpdate.java
index dbd15bc6..e59e98a9 100644
--- a/src/main/java/org/ldk/structs/CommitmentUpdate.java
+++ b/src/main/java/org/ldk/structs/CommitmentUpdate.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -23,7 +24,7 @@ public class CommitmentUpdate extends CommonBase {
 	 * update_add_htlc messages which should be sent
 	 */
 	public void set_update_add_htlcs(UpdateAddHTLC[] val) {
-		bindings.CommitmentUpdate_set_update_add_htlcs(this.ptr, Arrays.stream(val).mapToLong(val_conv_15 -> val_conv_15 == null ? 0 : val_conv_15.ptr & ~1).toArray());
+		bindings.CommitmentUpdate_set_update_add_htlcs(this.ptr, val != null ? Arrays.stream(val).mapToLong(val_conv_15 -> val_conv_15 == null ? 0 : val_conv_15.ptr & ~1).toArray() : null);
 		/* TODO 2 UpdateAddHTLC  */;
 	}
 
@@ -31,7 +32,7 @@ public class CommitmentUpdate extends CommonBase {
 	 * update_fulfill_htlc messages which should be sent
 	 */
 	public void set_update_fulfill_htlcs(UpdateFulfillHTLC[] val) {
-		bindings.CommitmentUpdate_set_update_fulfill_htlcs(this.ptr, Arrays.stream(val).mapToLong(val_conv_19 -> val_conv_19 == null ? 0 : val_conv_19.ptr & ~1).toArray());
+		bindings.CommitmentUpdate_set_update_fulfill_htlcs(this.ptr, val != null ? Arrays.stream(val).mapToLong(val_conv_19 -> val_conv_19 == null ? 0 : val_conv_19.ptr & ~1).toArray() : null);
 		/* TODO 2 UpdateFulfillHTLC  */;
 	}
 
@@ -39,7 +40,7 @@ public class CommitmentUpdate extends CommonBase {
 	 * update_fail_htlc messages which should be sent
 	 */
 	public void set_update_fail_htlcs(UpdateFailHTLC[] val) {
-		bindings.CommitmentUpdate_set_update_fail_htlcs(this.ptr, Arrays.stream(val).mapToLong(val_conv_16 -> val_conv_16 == null ? 0 : val_conv_16.ptr & ~1).toArray());
+		bindings.CommitmentUpdate_set_update_fail_htlcs(this.ptr, val != null ? Arrays.stream(val).mapToLong(val_conv_16 -> val_conv_16 == null ? 0 : val_conv_16.ptr & ~1).toArray() : null);
 		/* TODO 2 UpdateFailHTLC  */;
 	}
 
@@ -47,15 +48,19 @@ public class CommitmentUpdate extends CommonBase {
 	 * update_fail_malformed_htlc messages which should be sent
 	 */
 	public void set_update_fail_malformed_htlcs(UpdateFailMalformedHTLC[] val) {
-		bindings.CommitmentUpdate_set_update_fail_malformed_htlcs(this.ptr, Arrays.stream(val).mapToLong(val_conv_25 -> val_conv_25 == null ? 0 : val_conv_25.ptr & ~1).toArray());
+		bindings.CommitmentUpdate_set_update_fail_malformed_htlcs(this.ptr, val != null ? Arrays.stream(val).mapToLong(val_conv_25 -> val_conv_25 == null ? 0 : val_conv_25.ptr & ~1).toArray() : null);
 		/* TODO 2 UpdateFailMalformedHTLC  */;
 	}
 
 	/**
 	 * An update_fee message which should be sent
+	 * 
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
+	@Nullable
 	public UpdateFee get_update_fee() {
 		long ret = bindings.CommitmentUpdate_get_update_fee(this.ptr);
+		if (ret < 1024) { return null; }
 		UpdateFee ret_hu_conv = new UpdateFee(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -63,8 +68,10 @@ public class CommitmentUpdate extends CommonBase {
 
 	/**
 	 * An update_fee message which should be sent
+	 * 
+	 * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public void set_update_fee(UpdateFee val) {
+	public void set_update_fee(@Nullable UpdateFee val) {
 		bindings.CommitmentUpdate_set_update_fee(this.ptr, val == null ? 0 : val.ptr & ~1);
 		this.ptrs_to.add(val);
 	}
@@ -74,6 +81,7 @@ public class CommitmentUpdate extends CommonBase {
 	 */
 	public CommitmentSigned get_commitment_signed() {
 		long ret = bindings.CommitmentUpdate_get_commitment_signed(this.ptr);
+		if (ret < 1024) { return null; }
 		CommitmentSigned ret_hu_conv = new CommitmentSigned(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -91,7 +99,8 @@ public class CommitmentUpdate extends CommonBase {
 	 * Constructs a new CommitmentUpdate given each field
 	 */
 	public static CommitmentUpdate of(UpdateAddHTLC[] update_add_htlcs_arg, UpdateFulfillHTLC[] update_fulfill_htlcs_arg, UpdateFailHTLC[] update_fail_htlcs_arg, UpdateFailMalformedHTLC[] update_fail_malformed_htlcs_arg, UpdateFee update_fee_arg, CommitmentSigned commitment_signed_arg) {
-		long ret = bindings.CommitmentUpdate_new(Arrays.stream(update_add_htlcs_arg).mapToLong(update_add_htlcs_arg_conv_15 -> update_add_htlcs_arg_conv_15 == null ? 0 : update_add_htlcs_arg_conv_15.ptr & ~1).toArray(), Arrays.stream(update_fulfill_htlcs_arg).mapToLong(update_fulfill_htlcs_arg_conv_19 -> update_fulfill_htlcs_arg_conv_19 == null ? 0 : update_fulfill_htlcs_arg_conv_19.ptr & ~1).toArray(), Arrays.stream(update_fail_htlcs_arg).mapToLong(update_fail_htlcs_arg_conv_16 -> update_fail_htlcs_arg_conv_16 == null ? 0 : update_fail_htlcs_arg_conv_16.ptr & ~1).toArray(), Arrays.stream(update_fail_malformed_htlcs_arg).mapToLong(update_fail_malformed_htlcs_arg_conv_25 -> update_fail_malformed_htlcs_arg_conv_25 == null ? 0 : update_fail_malformed_htlcs_arg_conv_25.ptr & ~1).toArray(), update_fee_arg == null ? 0 : update_fee_arg.ptr & ~1, commitment_signed_arg == null ? 0 : commitment_signed_arg.ptr & ~1);
+		long ret = bindings.CommitmentUpdate_new(update_add_htlcs_arg != null ? Arrays.stream(update_add_htlcs_arg).mapToLong(update_add_htlcs_arg_conv_15 -> update_add_htlcs_arg_conv_15 == null ? 0 : update_add_htlcs_arg_conv_15.ptr & ~1).toArray() : null, update_fulfill_htlcs_arg != null ? Arrays.stream(update_fulfill_htlcs_arg).mapToLong(update_fulfill_htlcs_arg_conv_19 -> update_fulfill_htlcs_arg_conv_19 == null ? 0 : update_fulfill_htlcs_arg_conv_19.ptr & ~1).toArray() : null, update_fail_htlcs_arg != null ? Arrays.stream(update_fail_htlcs_arg).mapToLong(update_fail_htlcs_arg_conv_16 -> update_fail_htlcs_arg_conv_16 == null ? 0 : update_fail_htlcs_arg_conv_16.ptr & ~1).toArray() : null, update_fail_malformed_htlcs_arg != null ? Arrays.stream(update_fail_malformed_htlcs_arg).mapToLong(update_fail_malformed_htlcs_arg_conv_25 -> update_fail_malformed_htlcs_arg_conv_25 == null ? 0 : update_fail_malformed_htlcs_arg_conv_25.ptr & ~1).toArray() : null, update_fee_arg == null ? 0 : update_fee_arg.ptr & ~1, commitment_signed_arg == null ? 0 : commitment_signed_arg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		CommitmentUpdate ret_hu_conv = new CommitmentUpdate(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		/* TODO 2 UpdateAddHTLC  */;
@@ -108,6 +117,7 @@ public class CommitmentUpdate extends CommonBase {
 	 */
 	public CommitmentUpdate clone() {
 		long ret = bindings.CommitmentUpdate_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		CommitmentUpdate ret_hu_conv = new CommitmentUpdate(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/CommonBase.java b/src/main/java/org/ldk/structs/CommonBase.java
index 1794158b..62398862 100644
--- a/src/main/java/org/ldk/structs/CommonBase.java
+++ b/src/main/java/org/ldk/structs/CommonBase.java
@@ -3,5 +3,5 @@ import java.util.LinkedList;
 class CommonBase {
 	long ptr;
 	LinkedList<Object> ptrs_to = new LinkedList();
-	protected CommonBase(long ptr) { this.ptr = ptr; }
+	protected CommonBase(long ptr) { assert ptr > 1024; this.ptr = ptr; }
 }
diff --git a/src/main/java/org/ldk/structs/Confirm.java b/src/main/java/org/ldk/structs/Confirm.java
index 67594fde..161d97af 100644
--- a/src/main/java/org/ldk/structs/Confirm.java
+++ b/src/main/java/org/ldk/structs/Confirm.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 /**
  * The `Confirm` trait is used to notify when transactions have been confirmed on chain or
@@ -151,7 +152,7 @@ public class Confirm extends CommonBase {
 	 * [`best_block_updated`]: Self::best_block_updated
 	 */
 	public void transactions_confirmed(byte[] header, TwoTuple<Long, byte[]>[] txdata, int height) {
-		bindings.Confirm_transactions_confirmed(this.ptr, header, Arrays.stream(txdata).mapToLong(txdata_conv_24 -> bindings.C2Tuple_usizeTransactionZ_new(txdata_conv_24.a, txdata_conv_24.b)).toArray(), height);
+		bindings.Confirm_transactions_confirmed(this.ptr, header, txdata != null ? Arrays.stream(txdata).mapToLong(txdata_conv_24 -> bindings.C2Tuple_usizeTransactionZ_new(txdata_conv_24.a, txdata_conv_24.b)).toArray() : null, height);
 		/* TODO 2 TwoTuple<Long, byte[]>  */;
 	}
 
diff --git a/src/main/java/org/ldk/structs/CounterpartyChannelTransactionParameters.java b/src/main/java/org/ldk/structs/CounterpartyChannelTransactionParameters.java
index 887b60ae..7d083371 100644
--- a/src/main/java/org/ldk/structs/CounterpartyChannelTransactionParameters.java
+++ b/src/main/java/org/ldk/structs/CounterpartyChannelTransactionParameters.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -23,6 +24,7 @@ public class CounterpartyChannelTransactionParameters extends CommonBase {
 	 */
 	public ChannelPublicKeys get_pubkeys() {
 		long ret = bindings.CounterpartyChannelTransactionParameters_get_pubkeys(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelPublicKeys ret_hu_conv = new ChannelPublicKeys(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -56,6 +58,7 @@ public class CounterpartyChannelTransactionParameters extends CommonBase {
 	 */
 	public static CounterpartyChannelTransactionParameters of(ChannelPublicKeys pubkeys_arg, short selected_contest_delay_arg) {
 		long ret = bindings.CounterpartyChannelTransactionParameters_new(pubkeys_arg == null ? 0 : pubkeys_arg.ptr & ~1, selected_contest_delay_arg);
+		if (ret < 1024) { return null; }
 		CounterpartyChannelTransactionParameters ret_hu_conv = new CounterpartyChannelTransactionParameters(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(pubkeys_arg);
@@ -67,6 +70,7 @@ public class CounterpartyChannelTransactionParameters extends CommonBase {
 	 */
 	public CounterpartyChannelTransactionParameters clone() {
 		long ret = bindings.CounterpartyChannelTransactionParameters_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		CounterpartyChannelTransactionParameters ret_hu_conv = new CounterpartyChannelTransactionParameters(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -85,6 +89,7 @@ public class CounterpartyChannelTransactionParameters extends CommonBase {
 	 */
 	public static Result_CounterpartyChannelTransactionParametersDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.CounterpartyChannelTransactionParameters_read(ser);
+		if (ret < 1024) { return null; }
 		Result_CounterpartyChannelTransactionParametersDecodeErrorZ ret_hu_conv = Result_CounterpartyChannelTransactionParametersDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/DataLossProtect.java b/src/main/java/org/ldk/structs/DataLossProtect.java
index 66a6af44..3c625d07 100644
--- a/src/main/java/org/ldk/structs/DataLossProtect.java
+++ b/src/main/java/org/ldk/structs/DataLossProtect.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -58,6 +59,7 @@ public class DataLossProtect extends CommonBase {
 	 */
 	public static DataLossProtect of(byte[] your_last_per_commitment_secret_arg, byte[] my_current_per_commitment_point_arg) {
 		long ret = bindings.DataLossProtect_new(your_last_per_commitment_secret_arg, my_current_per_commitment_point_arg);
+		if (ret < 1024) { return null; }
 		DataLossProtect ret_hu_conv = new DataLossProtect(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -68,6 +70,7 @@ public class DataLossProtect extends CommonBase {
 	 */
 	public DataLossProtect clone() {
 		long ret = bindings.DataLossProtect_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		DataLossProtect ret_hu_conv = new DataLossProtect(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/DecodeError.java b/src/main/java/org/ldk/structs/DecodeError.java
index 5a7703fc..198e61d1 100644
--- a/src/main/java/org/ldk/structs/DecodeError.java
+++ b/src/main/java/org/ldk/structs/DecodeError.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -23,6 +24,7 @@ public class DecodeError extends CommonBase {
 	 */
 	public DecodeError clone() {
 		long ret = bindings.DecodeError_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		DecodeError ret_hu_conv = new DecodeError(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/DelayedPaymentOutputDescriptor.java b/src/main/java/org/ldk/structs/DelayedPaymentOutputDescriptor.java
index 855b03ac..756ee4ea 100644
--- a/src/main/java/org/ldk/structs/DelayedPaymentOutputDescriptor.java
+++ b/src/main/java/org/ldk/structs/DelayedPaymentOutputDescriptor.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -24,6 +25,7 @@ public class DelayedPaymentOutputDescriptor extends CommonBase {
 	 */
 	public OutPoint get_outpoint() {
 		long ret = bindings.DelayedPaymentOutputDescriptor_get_outpoint(this.ptr);
+		if (ret < 1024) { return null; }
 		OutPoint ret_hu_conv = new OutPoint(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -132,6 +134,7 @@ public class DelayedPaymentOutputDescriptor extends CommonBase {
 	 */
 	public static DelayedPaymentOutputDescriptor of(OutPoint outpoint_arg, byte[] per_commitment_point_arg, short to_self_delay_arg, TxOut output_arg, byte[] revocation_pubkey_arg, byte[] channel_keys_id_arg, long channel_value_satoshis_arg) {
 		long ret = bindings.DelayedPaymentOutputDescriptor_new(outpoint_arg == null ? 0 : outpoint_arg.ptr & ~1, per_commitment_point_arg, to_self_delay_arg, output_arg.ptr, revocation_pubkey_arg, channel_keys_id_arg, channel_value_satoshis_arg);
+		if (ret < 1024) { return null; }
 		DelayedPaymentOutputDescriptor ret_hu_conv = new DelayedPaymentOutputDescriptor(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(outpoint_arg);
@@ -143,6 +146,7 @@ public class DelayedPaymentOutputDescriptor extends CommonBase {
 	 */
 	public DelayedPaymentOutputDescriptor clone() {
 		long ret = bindings.DelayedPaymentOutputDescriptor_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		DelayedPaymentOutputDescriptor ret_hu_conv = new DelayedPaymentOutputDescriptor(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -161,6 +165,7 @@ public class DelayedPaymentOutputDescriptor extends CommonBase {
 	 */
 	public static Result_DelayedPaymentOutputDescriptorDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.DelayedPaymentOutputDescriptor_read(ser);
+		if (ret < 1024) { return null; }
 		Result_DelayedPaymentOutputDescriptorDecodeErrorZ ret_hu_conv = Result_DelayedPaymentOutputDescriptorDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Description.java b/src/main/java/org/ldk/structs/Description.java
index b9b165c1..6be70625 100644
--- a/src/main/java/org/ldk/structs/Description.java
+++ b/src/main/java/org/ldk/structs/Description.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -37,6 +38,7 @@ public class Description extends CommonBase {
 	 */
 	public Description clone() {
 		long ret = bindings.Description_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Description ret_hu_conv = new Description(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -48,8 +50,9 @@ public class Description extends CommonBase {
 	 * 
 	 * Please note that single characters may use more than one byte due to UTF8 encoding.
 	 */
-	public static Result_DescriptionCreationErrorZ of(String description) {
+	public static Result_DescriptionCreationErrorZ of(java.lang.String description) {
 		long ret = bindings.Description_new(description);
+		if (ret < 1024) { return null; }
 		Result_DescriptionCreationErrorZ ret_hu_conv = Result_DescriptionCreationErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/DirectedChannelTransactionParameters.java b/src/main/java/org/ldk/structs/DirectedChannelTransactionParameters.java
index 17b9ab0b..b86804ca 100644
--- a/src/main/java/org/ldk/structs/DirectedChannelTransactionParameters.java
+++ b/src/main/java/org/ldk/structs/DirectedChannelTransactionParameters.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -27,6 +28,7 @@ public class DirectedChannelTransactionParameters extends CommonBase {
 	 */
 	public ChannelPublicKeys broadcaster_pubkeys() {
 		long ret = bindings.DirectedChannelTransactionParameters_broadcaster_pubkeys(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelPublicKeys ret_hu_conv = new ChannelPublicKeys(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -37,6 +39,7 @@ public class DirectedChannelTransactionParameters extends CommonBase {
 	 */
 	public ChannelPublicKeys countersignatory_pubkeys() {
 		long ret = bindings.DirectedChannelTransactionParameters_countersignatory_pubkeys(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelPublicKeys ret_hu_conv = new ChannelPublicKeys(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -67,6 +70,7 @@ public class DirectedChannelTransactionParameters extends CommonBase {
 	 */
 	public OutPoint funding_outpoint() {
 		long ret = bindings.DirectedChannelTransactionParameters_funding_outpoint(this.ptr);
+		if (ret < 1024) { return null; }
 		OutPoint ret_hu_conv = new OutPoint(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/DirectionalChannelInfo.java b/src/main/java/org/ldk/structs/DirectionalChannelInfo.java
index e2f59c10..d67d8964 100644
--- a/src/main/java/org/ldk/structs/DirectionalChannelInfo.java
+++ b/src/main/java/org/ldk/structs/DirectionalChannelInfo.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -86,6 +87,7 @@ public class DirectionalChannelInfo extends CommonBase {
 	 */
 	public Option_u64Z get_htlc_maximum_msat() {
 		long ret = bindings.DirectionalChannelInfo_get_htlc_maximum_msat(this.ptr);
+		if (ret < 1024) { return null; }
 		Option_u64Z ret_hu_conv = Option_u64Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -103,6 +105,7 @@ public class DirectionalChannelInfo extends CommonBase {
 	 */
 	public RoutingFees get_fees() {
 		long ret = bindings.DirectionalChannelInfo_get_fees(this.ptr);
+		if (ret < 1024) { return null; }
 		RoutingFees ret_hu_conv = new RoutingFees(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -121,9 +124,13 @@ public class DirectionalChannelInfo extends CommonBase {
 	 * Mostly redundant with the data we store in fields explicitly.
 	 * Everything else is useful only for sending out for initial routing sync.
 	 * Not stored if contains excess data to prevent DoS.
+	 * 
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
+	@Nullable
 	public ChannelUpdate get_last_update_message() {
 		long ret = bindings.DirectionalChannelInfo_get_last_update_message(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelUpdate ret_hu_conv = new ChannelUpdate(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -134,8 +141,10 @@ public class DirectionalChannelInfo extends CommonBase {
 	 * Mostly redundant with the data we store in fields explicitly.
 	 * Everything else is useful only for sending out for initial routing sync.
 	 * Not stored if contains excess data to prevent DoS.
+	 * 
+	 * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public void set_last_update_message(ChannelUpdate val) {
+	public void set_last_update_message(@Nullable ChannelUpdate val) {
 		bindings.DirectionalChannelInfo_set_last_update_message(this.ptr, val == null ? 0 : val.ptr & ~1);
 		this.ptrs_to.add(val);
 	}
@@ -145,6 +154,7 @@ public class DirectionalChannelInfo extends CommonBase {
 	 */
 	public static DirectionalChannelInfo of(int last_update_arg, boolean enabled_arg, short cltv_expiry_delta_arg, long htlc_minimum_msat_arg, Option_u64Z htlc_maximum_msat_arg, RoutingFees fees_arg, ChannelUpdate last_update_message_arg) {
 		long ret = bindings.DirectionalChannelInfo_new(last_update_arg, enabled_arg, cltv_expiry_delta_arg, htlc_minimum_msat_arg, htlc_maximum_msat_arg.ptr, fees_arg == null ? 0 : fees_arg.ptr & ~1, last_update_message_arg == null ? 0 : last_update_message_arg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		DirectionalChannelInfo ret_hu_conv = new DirectionalChannelInfo(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(fees_arg);
@@ -157,6 +167,7 @@ public class DirectionalChannelInfo extends CommonBase {
 	 */
 	public DirectionalChannelInfo clone() {
 		long ret = bindings.DirectionalChannelInfo_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		DirectionalChannelInfo ret_hu_conv = new DirectionalChannelInfo(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -175,6 +186,7 @@ public class DirectionalChannelInfo extends CommonBase {
 	 */
 	public static Result_DirectionalChannelInfoDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.DirectionalChannelInfo_read(ser);
+		if (ret < 1024) { return null; }
 		Result_DirectionalChannelInfoDecodeErrorZ ret_hu_conv = Result_DirectionalChannelInfoDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/ErrorAction.java b/src/main/java/org/ldk/structs/ErrorAction.java
index 3eb5e9c3..3ff8ed72 100644
--- a/src/main/java/org/ldk/structs/ErrorAction.java
+++ b/src/main/java/org/ldk/structs/ErrorAction.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -35,7 +36,12 @@ public class ErrorAction extends CommonBase {
 	}
 
 	public final static class DisconnectPeer extends ErrorAction {
-		public final ErrorMessage msg;
+		/**
+		 * An error message which we should make an effort to send before we disconnect.
+		 * 
+		 * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None
+		*/
+		@Nullable public final ErrorMessage msg;
 		private DisconnectPeer(long ptr, bindings.LDKErrorAction.DisconnectPeer obj) {
 			super(null, ptr);
 			long msg = obj.msg;
@@ -57,6 +63,9 @@ public class ErrorAction extends CommonBase {
 		}
 	}
 	public final static class SendErrorMessage extends ErrorAction {
+		/**
+		 * The message to send.
+		*/
 		public final ErrorMessage msg;
 		private SendErrorMessage(long ptr, bindings.LDKErrorAction.SendErrorMessage obj) {
 			super(null, ptr);
@@ -71,9 +80,56 @@ public class ErrorAction extends CommonBase {
 	 */
 	public ErrorAction clone() {
 		long ret = bindings.ErrorAction_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ErrorAction ret_hu_conv = ErrorAction.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Utility method to constructs a new DisconnectPeer-variant ErrorAction
+	 */
+	public static ErrorAction disconnect_peer(ErrorMessage msg) {
+		long ret = bindings.ErrorAction_disconnect_peer(msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		ErrorAction ret_hu_conv = ErrorAction.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new IgnoreError-variant ErrorAction
+	 */
+	public static ErrorAction ignore_error() {
+		long ret = bindings.ErrorAction_ignore_error();
+		if (ret < 1024) { return null; }
+		ErrorAction ret_hu_conv = ErrorAction.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new IgnoreAndLog-variant ErrorAction
+	 */
+	public static ErrorAction ignore_and_log(org.ldk.enums.Level a) {
+		long ret = bindings.ErrorAction_ignore_and_log(a);
+		if (ret < 1024) { return null; }
+		ErrorAction ret_hu_conv = ErrorAction.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new SendErrorMessage-variant ErrorAction
+	 */
+	public static ErrorAction send_error_message(ErrorMessage msg) {
+		long ret = bindings.ErrorAction_send_error_message(msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		ErrorAction ret_hu_conv = ErrorAction.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
 }
diff --git a/src/main/java/org/ldk/structs/ErrorMessage.java b/src/main/java/org/ldk/structs/ErrorMessage.java
index c68a56d9..2c1b2141 100644
--- a/src/main/java/org/ldk/structs/ErrorMessage.java
+++ b/src/main/java/org/ldk/structs/ErrorMessage.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -50,15 +51,16 @@ public class ErrorMessage extends CommonBase {
 	 * or printed to stdout).  Otherwise, a well crafted error message may trigger a security
 	 * vulnerability in the terminal emulator or the logging subsystem.
 	 */
-	public void set_data(String val) {
+	public void set_data(java.lang.String val) {
 		bindings.ErrorMessage_set_data(this.ptr, val);
 	}
 
 	/**
 	 * Constructs a new ErrorMessage given each field
 	 */
-	public static ErrorMessage of(byte[] channel_id_arg, String data_arg) {
+	public static ErrorMessage of(byte[] channel_id_arg, java.lang.String data_arg) {
 		long ret = bindings.ErrorMessage_new(channel_id_arg, data_arg);
+		if (ret < 1024) { return null; }
 		ErrorMessage ret_hu_conv = new ErrorMessage(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -69,6 +71,7 @@ public class ErrorMessage extends CommonBase {
 	 */
 	public ErrorMessage clone() {
 		long ret = bindings.ErrorMessage_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ErrorMessage ret_hu_conv = new ErrorMessage(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -87,6 +90,7 @@ public class ErrorMessage extends CommonBase {
 	 */
 	public static Result_ErrorMessageDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.ErrorMessage_read(ser);
+		if (ret < 1024) { return null; }
 		Result_ErrorMessageDecodeErrorZ ret_hu_conv = Result_ErrorMessageDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/ErroringMessageHandler.java b/src/main/java/org/ldk/structs/ErroringMessageHandler.java
index ee377ed4..7ce8b6a8 100644
--- a/src/main/java/org/ldk/structs/ErroringMessageHandler.java
+++ b/src/main/java/org/ldk/structs/ErroringMessageHandler.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -24,6 +25,7 @@ public class ErroringMessageHandler extends CommonBase {
 	 */
 	public static ErroringMessageHandler of() {
 		long ret = bindings.ErroringMessageHandler_new();
+		if (ret < 1024) { return null; }
 		ErroringMessageHandler ret_hu_conv = new ErroringMessageHandler(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -35,6 +37,7 @@ public class ErroringMessageHandler extends CommonBase {
 	 */
 	public MessageSendEventsProvider as_MessageSendEventsProvider() {
 		long ret = bindings.ErroringMessageHandler_as_MessageSendEventsProvider(this.ptr);
+		if (ret < 1024) { return null; }
 		MessageSendEventsProvider ret_hu_conv = new MessageSendEventsProvider(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -46,6 +49,7 @@ public class ErroringMessageHandler extends CommonBase {
 	 */
 	public ChannelMessageHandler as_ChannelMessageHandler() {
 		long ret = bindings.ErroringMessageHandler_as_ChannelMessageHandler(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelMessageHandler ret_hu_conv = new ChannelMessageHandler(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/Event.java b/src/main/java/org/ldk/structs/Event.java
index b519a856..4bd1fad4 100644
--- a/src/main/java/org/ldk/structs/Event.java
+++ b/src/main/java/org/ldk/structs/Event.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -45,9 +46,22 @@ public class Event extends CommonBase {
 	}
 
 	public final static class FundingGenerationReady extends Event {
+		/**
+		 * The random channel_id we picked which you'll need to pass into
+		 * ChannelManager::funding_transaction_generated.
+		*/
 		public final byte[] temporary_channel_id;
+		/**
+		 * The value, in satoshis, that the output should have.
+		*/
 		public final long channel_value_satoshis;
+		/**
+		 * The script which should be used in the transaction output.
+		*/
 		public final byte[] output_script;
+		/**
+		 * The value passed in to ChannelManager::create_channel
+		*/
 		public final long user_channel_id;
 		private FundingGenerationReady(long ptr, bindings.LDKEvent.FundingGenerationReady obj) {
 			super(null, ptr);
@@ -58,10 +72,50 @@ public class Event extends CommonBase {
 		}
 	}
 	public final static class PaymentReceived extends Event {
+		/**
+		 * The hash for which the preimage should be handed to the ChannelManager.
+		*/
 		public final byte[] payment_hash;
-		public final byte[] payment_preimage;
+		/**
+		 * The preimage to the payment_hash, if the payment hash (and secret) were fetched via
+		 * [`ChannelManager::create_inbound_payment`]. If provided, this can be handed directly to
+		 * [`ChannelManager::claim_funds`].
+		 * 
+		 * [`ChannelManager::create_inbound_payment`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment
+		 * [`ChannelManager::claim_funds`]: crate::ln::channelmanager::ChannelManager::claim_funds
+		 * 
+		 * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None
+		*/
+		@Nullable public final byte[] payment_preimage;
+		/**
+		 * The \"payment secret\". This authenticates the sender to the recipient, preventing a
+		 * number of deanonymization attacks during the routing process.
+		 * It is provided here for your reference, however its accuracy is enforced directly by
+		 * [`ChannelManager`] using the values you previously provided to
+		 * [`ChannelManager::create_inbound_payment`] or
+		 * [`ChannelManager::create_inbound_payment_for_hash`].
+		 * 
+		 * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
+		 * [`ChannelManager::create_inbound_payment`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment
+		 * [`ChannelManager::create_inbound_payment_for_hash`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash
+		*/
 		public final byte[] payment_secret;
+		/**
+		 * The value, in thousandths of a satoshi, that this payment is for. Note that you must
+		 * compare this to the expected value before accepting the payment (as otherwise you are
+		 * providing proof-of-payment for less than the value you expected!).
+		*/
 		public final long amt;
+		/**
+		 * This is the `user_payment_id` which was provided to
+		 * [`ChannelManager::create_inbound_payment_for_hash`] or
+		 * [`ChannelManager::create_inbound_payment`]. It has no meaning inside of LDK and is
+		 * simply copied here. It may be used to correlate PaymentReceived events with invoice
+		 * metadata stored elsewhere.
+		 * 
+		 * [`ChannelManager::create_inbound_payment`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment
+		 * [`ChannelManager::create_inbound_payment_for_hash`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash
+		*/
 		public final long user_payment_id;
 		private PaymentReceived(long ptr, bindings.LDKEvent.PaymentReceived obj) {
 			super(null, ptr);
@@ -73,6 +127,11 @@ public class Event extends CommonBase {
 		}
 	}
 	public final static class PaymentSent extends Event {
+		/**
+		 * The preimage to the hash given to ChannelManager::send_payment.
+		 * Note that this serves as a payment receipt, if you wish to have such a thing, you must
+		 * store it somehow!
+		*/
 		public final byte[] payment_preimage;
 		private PaymentSent(long ptr, bindings.LDKEvent.PaymentSent obj) {
 			super(null, ptr);
@@ -80,7 +139,15 @@ public class Event extends CommonBase {
 		}
 	}
 	public final static class PaymentFailed extends Event {
+		/**
+		 * The hash which was given to ChannelManager::send_payment.
+		*/
 		public final byte[] payment_hash;
+		/**
+		 * Indicates the payment was rejected for some reason by the recipient. This implies that
+		 * the payment has failed, not just the route in question. If this is not set, you may
+		 * retry the payment via a different route.
+		*/
 		public final boolean rejected_by_dest;
 		private PaymentFailed(long ptr, bindings.LDKEvent.PaymentFailed obj) {
 			super(null, ptr);
@@ -89,6 +156,12 @@ public class Event extends CommonBase {
 		}
 	}
 	public final static class PendingHTLCsForwardable extends Event {
+		/**
+		 * The minimum amount of time that should be waited prior to calling
+		 * process_pending_htlc_forwards. To increase the effort required to correlate payments,
+		 * you should wait a random amount of time in roughly the range (now + time_forwardable,
+		 * now + 5*time_forwardable).
+		*/
 		public final long time_forwardable;
 		private PendingHTLCsForwardable(long ptr, bindings.LDKEvent.PendingHTLCsForwardable obj) {
 			super(null, ptr);
@@ -96,6 +169,9 @@ public class Event extends CommonBase {
 		}
 	}
 	public final static class SpendableOutputs extends Event {
+		/**
+		 * The outputs which you should store as spendable by you.
+		*/
 		public final SpendableOutputDescriptor[] outputs;
 		private SpendableOutputs(long ptr, bindings.LDKEvent.SpendableOutputs obj) {
 			super(null, ptr);
@@ -115,11 +191,79 @@ public class Event extends CommonBase {
 	 */
 	public Event clone() {
 		long ret = bindings.Event_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Event ret_hu_conv = Event.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Utility method to constructs a new FundingGenerationReady-variant Event
+	 */
+	public static Event funding_generation_ready(byte[] temporary_channel_id, long channel_value_satoshis, byte[] output_script, long user_channel_id) {
+		long ret = bindings.Event_funding_generation_ready(temporary_channel_id, channel_value_satoshis, output_script, user_channel_id);
+		if (ret < 1024) { return null; }
+		Event ret_hu_conv = Event.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new PaymentReceived-variant Event
+	 */
+	public static Event payment_received(byte[] payment_hash, byte[] payment_preimage, byte[] payment_secret, long amt, long user_payment_id) {
+		long ret = bindings.Event_payment_received(payment_hash, payment_preimage, payment_secret, amt, user_payment_id);
+		if (ret < 1024) { return null; }
+		Event ret_hu_conv = Event.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new PaymentSent-variant Event
+	 */
+	public static Event payment_sent(byte[] payment_preimage) {
+		long ret = bindings.Event_payment_sent(payment_preimage);
+		if (ret < 1024) { return null; }
+		Event ret_hu_conv = Event.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new PaymentFailed-variant Event
+	 */
+	public static Event payment_failed(byte[] payment_hash, boolean rejected_by_dest) {
+		long ret = bindings.Event_payment_failed(payment_hash, rejected_by_dest);
+		if (ret < 1024) { return null; }
+		Event ret_hu_conv = Event.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new PendingHTLCsForwardable-variant Event
+	 */
+	public static Event pending_htlcs_forwardable(long time_forwardable) {
+		long ret = bindings.Event_pending_htlcs_forwardable(time_forwardable);
+		if (ret < 1024) { return null; }
+		Event ret_hu_conv = Event.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new SpendableOutputs-variant Event
+	 */
+	public static Event spendable_outputs(SpendableOutputDescriptor[] outputs) {
+		long ret = bindings.Event_spendable_outputs(outputs != null ? Arrays.stream(outputs).mapToLong(outputs_conv_27 -> outputs_conv_27.ptr).toArray() : null);
+		if (ret < 1024) { return null; }
+		Event ret_hu_conv = Event.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		/* TODO 2 SpendableOutputDescriptor  */;
+		return ret_hu_conv;
+	}
+
 	/**
 	 * Serialize the Event object into a byte array which can be read by Event_read
 	 */
diff --git a/src/main/java/org/ldk/structs/EventHandler.java b/src/main/java/org/ldk/structs/EventHandler.java
index 7714aa51..288e1395 100644
--- a/src/main/java/org/ldk/structs/EventHandler.java
+++ b/src/main/java/org/ldk/structs/EventHandler.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 /**
  * A trait implemented for objects handling events from [`EventsProvider`].
diff --git a/src/main/java/org/ldk/structs/EventsProvider.java b/src/main/java/org/ldk/structs/EventsProvider.java
index 3ab3f171..03f8921b 100644
--- a/src/main/java/org/ldk/structs/EventsProvider.java
+++ b/src/main/java/org/ldk/structs/EventsProvider.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 /**
  * A trait indicating an object may generate events.
diff --git a/src/main/java/org/ldk/structs/ExpiryTime.java b/src/main/java/org/ldk/structs/ExpiryTime.java
index 061b549d..e88c1393 100644
--- a/src/main/java/org/ldk/structs/ExpiryTime.java
+++ b/src/main/java/org/ldk/structs/ExpiryTime.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -40,6 +41,7 @@ public class ExpiryTime extends CommonBase {
 	 */
 	public ExpiryTime clone() {
 		long ret = bindings.ExpiryTime_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ExpiryTime ret_hu_conv = new ExpiryTime(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -52,6 +54,7 @@ public class ExpiryTime extends CommonBase {
 	 */
 	public static Result_ExpiryTimeCreationErrorZ from_seconds(long seconds) {
 		long ret = bindings.ExpiryTime_from_seconds(seconds);
+		if (ret < 1024) { return null; }
 		Result_ExpiryTimeCreationErrorZ ret_hu_conv = Result_ExpiryTimeCreationErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -63,6 +66,7 @@ public class ExpiryTime extends CommonBase {
 	 */
 	public static Result_ExpiryTimeCreationErrorZ from_duration(long duration) {
 		long ret = bindings.ExpiryTime_from_duration(duration);
+		if (ret < 1024) { return null; }
 		Result_ExpiryTimeCreationErrorZ ret_hu_conv = Result_ExpiryTimeCreationErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Fallback.java b/src/main/java/org/ldk/structs/Fallback.java
index de5495fe..fe2cf61d 100644
--- a/src/main/java/org/ldk/structs/Fallback.java
+++ b/src/main/java/org/ldk/structs/Fallback.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -61,11 +62,45 @@ public class Fallback extends CommonBase {
 	 */
 	public Fallback clone() {
 		long ret = bindings.Fallback_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Fallback ret_hu_conv = Fallback.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Utility method to constructs a new SegWitProgram-variant Fallback
+	 */
+	public static Fallback seg_wit_program(UInt5 version, byte[] program) {
+		long ret = bindings.Fallback_seg_wit_program(version.getVal(), program);
+		if (ret < 1024) { return null; }
+		Fallback ret_hu_conv = Fallback.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new PubKeyHash-variant Fallback
+	 */
+	public static Fallback pub_key_hash(byte[] a) {
+		long ret = bindings.Fallback_pub_key_hash(a);
+		if (ret < 1024) { return null; }
+		Fallback ret_hu_conv = Fallback.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new ScriptHash-variant Fallback
+	 */
+	public static Fallback script_hash(byte[] a) {
+		long ret = bindings.Fallback_script_hash(a);
+		if (ret < 1024) { return null; }
+		Fallback ret_hu_conv = Fallback.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
 	/**
 	 * Checks if two Fallbacks contain equal inner contents.
 	 * This ignores pointers and is_owned flags and looks at the values in fields.
diff --git a/src/main/java/org/ldk/structs/FeeEstimator.java b/src/main/java/org/ldk/structs/FeeEstimator.java
index c58b4796..bf452b1b 100644
--- a/src/main/java/org/ldk/structs/FeeEstimator.java
+++ b/src/main/java/org/ldk/structs/FeeEstimator.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 /**
  * A trait which should be implemented to provide feerate information on a number of time
@@ -60,7 +61,7 @@ public class FeeEstimator extends CommonBase {
 	 * satoshis-per-byte * 250
 	 * ceil(satoshis-per-kbyte / 4)
 	 */
-	public int get_est_sat_per_1000_weight(ConfirmationTarget confirmation_target) {
+	public int get_est_sat_per_1000_weight(org.ldk.enums.ConfirmationTarget confirmation_target) {
 		int ret = bindings.FeeEstimator_get_est_sat_per_1000_weight(this.ptr, confirmation_target);
 		return ret;
 	}
diff --git a/src/main/java/org/ldk/structs/FilesystemPersister.java b/src/main/java/org/ldk/structs/FilesystemPersister.java
index 4df4cb28..fe70a484 100644
--- a/src/main/java/org/ldk/structs/FilesystemPersister.java
+++ b/src/main/java/org/ldk/structs/FilesystemPersister.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -33,8 +34,9 @@ public class FilesystemPersister extends CommonBase {
 	 * Initialize a new FilesystemPersister and set the path to the individual channels'
 	 * files.
 	 */
-	public static FilesystemPersister of(String path_to_channel_data) {
+	public static FilesystemPersister of(java.lang.String path_to_channel_data) {
 		long ret = bindings.FilesystemPersister_new(path_to_channel_data);
+		if (ret < 1024) { return null; }
 		FilesystemPersister ret_hu_conv = new FilesystemPersister(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -53,6 +55,7 @@ public class FilesystemPersister extends CommonBase {
 	 */
 	public Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ read_channelmonitors(KeysInterface keys_manager) {
 		long ret = bindings.FilesystemPersister_read_channelmonitors(this.ptr, keys_manager == null ? 0 : keys_manager.ptr);
+		if (ret < 1024) { return null; }
 		Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ ret_hu_conv = Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(keys_manager);
 		return ret_hu_conv;
@@ -64,6 +67,7 @@ public class FilesystemPersister extends CommonBase {
 	 */
 	public Persist as_Persist() {
 		long ret = bindings.FilesystemPersister_as_Persist(this.ptr);
+		if (ret < 1024) { return null; }
 		Persist ret_hu_conv = new Persist(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/Filter.java b/src/main/java/org/ldk/structs/Filter.java
index e1dc712c..701e70f5 100644
--- a/src/main/java/org/ldk/structs/Filter.java
+++ b/src/main/java/org/ldk/structs/Filter.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 /**
  * The `Filter` trait defines behavior for indicating chain activity of interest pertaining to
@@ -98,6 +99,7 @@ public class Filter extends CommonBase {
 	 */
 	public Option_C2Tuple_usizeTransactionZZ register_output(WatchedOutput output) {
 		long ret = bindings.Filter_register_output(this.ptr, output == null ? 0 : output.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Option_C2Tuple_usizeTransactionZZ ret_hu_conv = Option_C2Tuple_usizeTransactionZZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		this.ptrs_to.add(output);
diff --git a/src/main/java/org/ldk/structs/FundingCreated.java b/src/main/java/org/ldk/structs/FundingCreated.java
index a49682c5..40777425 100644
--- a/src/main/java/org/ldk/structs/FundingCreated.java
+++ b/src/main/java/org/ldk/structs/FundingCreated.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -83,6 +84,7 @@ public class FundingCreated extends CommonBase {
 	 */
 	public static FundingCreated of(byte[] temporary_channel_id_arg, byte[] funding_txid_arg, short funding_output_index_arg, byte[] signature_arg) {
 		long ret = bindings.FundingCreated_new(temporary_channel_id_arg, funding_txid_arg, funding_output_index_arg, signature_arg);
+		if (ret < 1024) { return null; }
 		FundingCreated ret_hu_conv = new FundingCreated(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -93,6 +95,7 @@ public class FundingCreated extends CommonBase {
 	 */
 	public FundingCreated clone() {
 		long ret = bindings.FundingCreated_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		FundingCreated ret_hu_conv = new FundingCreated(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -111,6 +114,7 @@ public class FundingCreated extends CommonBase {
 	 */
 	public static Result_FundingCreatedDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.FundingCreated_read(ser);
+		if (ret < 1024) { return null; }
 		Result_FundingCreatedDecodeErrorZ ret_hu_conv = Result_FundingCreatedDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/FundingLocked.java b/src/main/java/org/ldk/structs/FundingLocked.java
index 4f5daef2..2208f2f4 100644
--- a/src/main/java/org/ldk/structs/FundingLocked.java
+++ b/src/main/java/org/ldk/structs/FundingLocked.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -53,6 +54,7 @@ public class FundingLocked extends CommonBase {
 	 */
 	public static FundingLocked of(byte[] channel_id_arg, byte[] next_per_commitment_point_arg) {
 		long ret = bindings.FundingLocked_new(channel_id_arg, next_per_commitment_point_arg);
+		if (ret < 1024) { return null; }
 		FundingLocked ret_hu_conv = new FundingLocked(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -63,6 +65,7 @@ public class FundingLocked extends CommonBase {
 	 */
 	public FundingLocked clone() {
 		long ret = bindings.FundingLocked_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		FundingLocked ret_hu_conv = new FundingLocked(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -81,6 +84,7 @@ public class FundingLocked extends CommonBase {
 	 */
 	public static Result_FundingLockedDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.FundingLocked_read(ser);
+		if (ret < 1024) { return null; }
 		Result_FundingLockedDecodeErrorZ ret_hu_conv = Result_FundingLockedDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/FundingSigned.java b/src/main/java/org/ldk/structs/FundingSigned.java
index 5755a5b5..67791c52 100644
--- a/src/main/java/org/ldk/structs/FundingSigned.java
+++ b/src/main/java/org/ldk/structs/FundingSigned.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -53,6 +54,7 @@ public class FundingSigned extends CommonBase {
 	 */
 	public static FundingSigned of(byte[] channel_id_arg, byte[] signature_arg) {
 		long ret = bindings.FundingSigned_new(channel_id_arg, signature_arg);
+		if (ret < 1024) { return null; }
 		FundingSigned ret_hu_conv = new FundingSigned(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -63,6 +65,7 @@ public class FundingSigned extends CommonBase {
 	 */
 	public FundingSigned clone() {
 		long ret = bindings.FundingSigned_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		FundingSigned ret_hu_conv = new FundingSigned(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -81,6 +84,7 @@ public class FundingSigned extends CommonBase {
 	 */
 	public static Result_FundingSignedDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.FundingSigned_read(ser);
+		if (ret < 1024) { return null; }
 		Result_FundingSignedDecodeErrorZ ret_hu_conv = Result_FundingSignedDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/GossipTimestampFilter.java b/src/main/java/org/ldk/structs/GossipTimestampFilter.java
index b9602b43..ca697122 100644
--- a/src/main/java/org/ldk/structs/GossipTimestampFilter.java
+++ b/src/main/java/org/ldk/structs/GossipTimestampFilter.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -70,6 +71,7 @@ public class GossipTimestampFilter extends CommonBase {
 	 */
 	public static GossipTimestampFilter of(byte[] chain_hash_arg, int first_timestamp_arg, int timestamp_range_arg) {
 		long ret = bindings.GossipTimestampFilter_new(chain_hash_arg, first_timestamp_arg, timestamp_range_arg);
+		if (ret < 1024) { return null; }
 		GossipTimestampFilter ret_hu_conv = new GossipTimestampFilter(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -80,6 +82,7 @@ public class GossipTimestampFilter extends CommonBase {
 	 */
 	public GossipTimestampFilter clone() {
 		long ret = bindings.GossipTimestampFilter_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		GossipTimestampFilter ret_hu_conv = new GossipTimestampFilter(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -90,6 +93,7 @@ public class GossipTimestampFilter extends CommonBase {
 	 */
 	public static Result_GossipTimestampFilterDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.GossipTimestampFilter_read(ser);
+		if (ret < 1024) { return null; }
 		Result_GossipTimestampFilterDecodeErrorZ ret_hu_conv = Result_GossipTimestampFilterDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/HTLCFailChannelUpdate.java b/src/main/java/org/ldk/structs/HTLCFailChannelUpdate.java
index 7ce939f9..d2ef7514 100644
--- a/src/main/java/org/ldk/structs/HTLCFailChannelUpdate.java
+++ b/src/main/java/org/ldk/structs/HTLCFailChannelUpdate.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -34,6 +35,9 @@ public class HTLCFailChannelUpdate extends CommonBase {
 	}
 
 	public final static class ChannelUpdateMessage extends HTLCFailChannelUpdate {
+		/**
+		 * The unwrapped message we received
+		*/
 		public final ChannelUpdate msg;
 		private ChannelUpdateMessage(long ptr, bindings.LDKHTLCFailChannelUpdate.ChannelUpdateMessage obj) {
 			super(null, ptr);
@@ -44,7 +48,14 @@ public class HTLCFailChannelUpdate extends CommonBase {
 		}
 	}
 	public final static class ChannelClosed extends HTLCFailChannelUpdate {
+		/**
+		 * The short_channel_id which has now closed.
+		*/
 		public final long short_channel_id;
+		/**
+		 * when this true, this channel should be permanently removed from the
+		 * consideration. Otherwise, this channel can be restored as new channel_update is received
+		*/
 		public final boolean is_permanent;
 		private ChannelClosed(long ptr, bindings.LDKHTLCFailChannelUpdate.ChannelClosed obj) {
 			super(null, ptr);
@@ -53,7 +64,15 @@ public class HTLCFailChannelUpdate extends CommonBase {
 		}
 	}
 	public final static class NodeFailure extends HTLCFailChannelUpdate {
+		/**
+		 * The node_id that has failed.
+		*/
 		public final byte[] node_id;
+		/**
+		 * when this true, node should be permanently removed from the
+		 * consideration. Otherwise, the channels connected to this node can be
+		 * restored as new channel_update is received
+		*/
 		public final boolean is_permanent;
 		private NodeFailure(long ptr, bindings.LDKHTLCFailChannelUpdate.NodeFailure obj) {
 			super(null, ptr);
@@ -66,9 +85,44 @@ public class HTLCFailChannelUpdate extends CommonBase {
 	 */
 	public HTLCFailChannelUpdate clone() {
 		long ret = bindings.HTLCFailChannelUpdate_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		HTLCFailChannelUpdate ret_hu_conv = HTLCFailChannelUpdate.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Utility method to constructs a new ChannelUpdateMessage-variant HTLCFailChannelUpdate
+	 */
+	public static HTLCFailChannelUpdate channel_update_message(ChannelUpdate msg) {
+		long ret = bindings.HTLCFailChannelUpdate_channel_update_message(msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		HTLCFailChannelUpdate ret_hu_conv = HTLCFailChannelUpdate.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new ChannelClosed-variant HTLCFailChannelUpdate
+	 */
+	public static HTLCFailChannelUpdate channel_closed(long short_channel_id, boolean is_permanent) {
+		long ret = bindings.HTLCFailChannelUpdate_channel_closed(short_channel_id, is_permanent);
+		if (ret < 1024) { return null; }
+		HTLCFailChannelUpdate ret_hu_conv = HTLCFailChannelUpdate.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new NodeFailure-variant HTLCFailChannelUpdate
+	 */
+	public static HTLCFailChannelUpdate node_failure(byte[] node_id, boolean is_permanent) {
+		long ret = bindings.HTLCFailChannelUpdate_node_failure(node_id, is_permanent);
+		if (ret < 1024) { return null; }
+		HTLCFailChannelUpdate ret_hu_conv = HTLCFailChannelUpdate.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
 }
diff --git a/src/main/java/org/ldk/structs/HTLCOutputInCommitment.java b/src/main/java/org/ldk/structs/HTLCOutputInCommitment.java
index 97a054bf..074cc158 100644
--- a/src/main/java/org/ldk/structs/HTLCOutputInCommitment.java
+++ b/src/main/java/org/ldk/structs/HTLCOutputInCommitment.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -93,6 +94,7 @@ public class HTLCOutputInCommitment extends CommonBase {
 	 */
 	public Option_u32Z get_transaction_output_index() {
 		long ret = bindings.HTLCOutputInCommitment_get_transaction_output_index(this.ptr);
+		if (ret < 1024) { return null; }
 		Option_u32Z ret_hu_conv = Option_u32Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -112,6 +114,7 @@ public class HTLCOutputInCommitment extends CommonBase {
 	 */
 	public static HTLCOutputInCommitment of(boolean offered_arg, long amount_msat_arg, int cltv_expiry_arg, byte[] payment_hash_arg, Option_u32Z transaction_output_index_arg) {
 		long ret = bindings.HTLCOutputInCommitment_new(offered_arg, amount_msat_arg, cltv_expiry_arg, payment_hash_arg, transaction_output_index_arg.ptr);
+		if (ret < 1024) { return null; }
 		HTLCOutputInCommitment ret_hu_conv = new HTLCOutputInCommitment(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -122,6 +125,7 @@ public class HTLCOutputInCommitment extends CommonBase {
 	 */
 	public HTLCOutputInCommitment clone() {
 		long ret = bindings.HTLCOutputInCommitment_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		HTLCOutputInCommitment ret_hu_conv = new HTLCOutputInCommitment(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -140,6 +144,7 @@ public class HTLCOutputInCommitment extends CommonBase {
 	 */
 	public static Result_HTLCOutputInCommitmentDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.HTLCOutputInCommitment_read(ser);
+		if (ret < 1024) { return null; }
 		Result_HTLCOutputInCommitmentDecodeErrorZ ret_hu_conv = Result_HTLCOutputInCommitmentDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/HTLCUpdate.java b/src/main/java/org/ldk/structs/HTLCUpdate.java
index 6f6a08f7..2206a592 100644
--- a/src/main/java/org/ldk/structs/HTLCUpdate.java
+++ b/src/main/java/org/ldk/structs/HTLCUpdate.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -25,6 +26,7 @@ public class HTLCUpdate extends CommonBase {
 	 */
 	public HTLCUpdate clone() {
 		long ret = bindings.HTLCUpdate_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		HTLCUpdate ret_hu_conv = new HTLCUpdate(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -43,6 +45,7 @@ public class HTLCUpdate extends CommonBase {
 	 */
 	public static Result_HTLCUpdateDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.HTLCUpdate_read(ser);
+		if (ret < 1024) { return null; }
 		Result_HTLCUpdateDecodeErrorZ ret_hu_conv = Result_HTLCUpdateDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/HolderCommitmentTransaction.java b/src/main/java/org/ldk/structs/HolderCommitmentTransaction.java
index 11310a21..a916cd51 100644
--- a/src/main/java/org/ldk/structs/HolderCommitmentTransaction.java
+++ b/src/main/java/org/ldk/structs/HolderCommitmentTransaction.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -47,6 +48,7 @@ public class HolderCommitmentTransaction extends CommonBase {
 	 */
 	public HolderCommitmentTransaction clone() {
 		long ret = bindings.HolderCommitmentTransaction_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		HolderCommitmentTransaction ret_hu_conv = new HolderCommitmentTransaction(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -65,6 +67,7 @@ public class HolderCommitmentTransaction extends CommonBase {
 	 */
 	public static Result_HolderCommitmentTransactionDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.HolderCommitmentTransaction_read(ser);
+		if (ret < 1024) { return null; }
 		Result_HolderCommitmentTransactionDecodeErrorZ ret_hu_conv = Result_HolderCommitmentTransactionDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -75,6 +78,7 @@ public class HolderCommitmentTransaction extends CommonBase {
 	 */
 	public static HolderCommitmentTransaction of(CommitmentTransaction commitment_tx, byte[] counterparty_sig, byte[][] counterparty_htlc_sigs, byte[] holder_funding_key, byte[] counterparty_funding_key) {
 		long ret = bindings.HolderCommitmentTransaction_new(commitment_tx == null ? 0 : commitment_tx.ptr & ~1, counterparty_sig, counterparty_htlc_sigs, holder_funding_key, counterparty_funding_key);
+		if (ret < 1024) { return null; }
 		HolderCommitmentTransaction ret_hu_conv = new HolderCommitmentTransaction(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(commitment_tx);
diff --git a/src/main/java/org/ldk/structs/IgnoringMessageHandler.java b/src/main/java/org/ldk/structs/IgnoringMessageHandler.java
index eb7a7fdc..8790d4e5 100644
--- a/src/main/java/org/ldk/structs/IgnoringMessageHandler.java
+++ b/src/main/java/org/ldk/structs/IgnoringMessageHandler.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -24,6 +25,7 @@ public class IgnoringMessageHandler extends CommonBase {
 	 */
 	public static IgnoringMessageHandler of() {
 		long ret = bindings.IgnoringMessageHandler_new();
+		if (ret < 1024) { return null; }
 		IgnoringMessageHandler ret_hu_conv = new IgnoringMessageHandler(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -35,6 +37,7 @@ public class IgnoringMessageHandler extends CommonBase {
 	 */
 	public MessageSendEventsProvider as_MessageSendEventsProvider() {
 		long ret = bindings.IgnoringMessageHandler_as_MessageSendEventsProvider(this.ptr);
+		if (ret < 1024) { return null; }
 		MessageSendEventsProvider ret_hu_conv = new MessageSendEventsProvider(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -46,6 +49,7 @@ public class IgnoringMessageHandler extends CommonBase {
 	 */
 	public RoutingMessageHandler as_RoutingMessageHandler() {
 		long ret = bindings.IgnoringMessageHandler_as_RoutingMessageHandler(this.ptr);
+		if (ret < 1024) { return null; }
 		RoutingMessageHandler ret_hu_conv = new RoutingMessageHandler(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/InMemorySigner.java b/src/main/java/org/ldk/structs/InMemorySigner.java
index 94b5af18..8b355887 100644
--- a/src/main/java/org/ldk/structs/InMemorySigner.java
+++ b/src/main/java/org/ldk/structs/InMemorySigner.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -116,6 +117,7 @@ public class InMemorySigner extends CommonBase {
 	 */
 	public InMemorySigner clone() {
 		long ret = bindings.InMemorySigner_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		InMemorySigner ret_hu_conv = new InMemorySigner(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -126,6 +128,7 @@ public class InMemorySigner extends CommonBase {
 	 */
 	public static InMemorySigner of(byte[] funding_key, byte[] revocation_base_key, byte[] payment_key, byte[] delayed_payment_base_key, byte[] htlc_base_key, byte[] commitment_seed, long channel_value_satoshis, byte[] channel_keys_id) {
 		long ret = bindings.InMemorySigner_new(funding_key, revocation_base_key, payment_key, delayed_payment_base_key, htlc_base_key, commitment_seed, channel_value_satoshis, channel_keys_id);
+		if (ret < 1024) { return null; }
 		InMemorySigner ret_hu_conv = new InMemorySigner(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -137,6 +140,7 @@ public class InMemorySigner extends CommonBase {
 	 */
 	public ChannelPublicKeys counterparty_pubkeys() {
 		long ret = bindings.InMemorySigner_counterparty_pubkeys(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelPublicKeys ret_hu_conv = new ChannelPublicKeys(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -179,6 +183,7 @@ public class InMemorySigner extends CommonBase {
 	 */
 	public OutPoint funding_outpoint() {
 		long ret = bindings.InMemorySigner_funding_outpoint(this.ptr);
+		if (ret < 1024) { return null; }
 		OutPoint ret_hu_conv = new OutPoint(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -192,6 +197,7 @@ public class InMemorySigner extends CommonBase {
 	 */
 	public ChannelTransactionParameters get_channel_parameters() {
 		long ret = bindings.InMemorySigner_get_channel_parameters(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelTransactionParameters ret_hu_conv = new ChannelTransactionParameters(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -206,6 +212,7 @@ public class InMemorySigner extends CommonBase {
 	 */
 	public Result_CVec_CVec_u8ZZNoneZ sign_counterparty_payment_input(byte[] spend_tx, long input_idx, StaticPaymentOutputDescriptor descriptor) {
 		long ret = bindings.InMemorySigner_sign_counterparty_payment_input(this.ptr, spend_tx, input_idx, descriptor == null ? 0 : descriptor.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_CVec_CVec_u8ZZNoneZ ret_hu_conv = Result_CVec_CVec_u8ZZNoneZ.constr_from_ptr(ret);
 		this.ptrs_to.add(descriptor);
 		return ret_hu_conv;
@@ -221,6 +228,7 @@ public class InMemorySigner extends CommonBase {
 	 */
 	public Result_CVec_CVec_u8ZZNoneZ sign_dynamic_p2wsh_input(byte[] spend_tx, long input_idx, DelayedPaymentOutputDescriptor descriptor) {
 		long ret = bindings.InMemorySigner_sign_dynamic_p2wsh_input(this.ptr, spend_tx, input_idx, descriptor == null ? 0 : descriptor.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_CVec_CVec_u8ZZNoneZ ret_hu_conv = Result_CVec_CVec_u8ZZNoneZ.constr_from_ptr(ret);
 		this.ptrs_to.add(descriptor);
 		return ret_hu_conv;
@@ -232,6 +240,7 @@ public class InMemorySigner extends CommonBase {
 	 */
 	public BaseSign as_BaseSign() {
 		long ret = bindings.InMemorySigner_as_BaseSign(this.ptr);
+		if (ret < 1024) { return null; }
 		BaseSign ret_hu_conv = new BaseSign(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -243,6 +252,7 @@ public class InMemorySigner extends CommonBase {
 	 */
 	public Sign as_Sign() {
 		long ret = bindings.InMemorySigner_as_Sign(this.ptr);
+		if (ret < 1024) { return null; }
 		Sign ret_hu_conv = new Sign(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -261,6 +271,7 @@ public class InMemorySigner extends CommonBase {
 	 */
 	public static Result_InMemorySignerDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.InMemorySigner_read(ser);
+		if (ret < 1024) { return null; }
 		Result_InMemorySignerDecodeErrorZ ret_hu_conv = Result_InMemorySignerDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Init.java b/src/main/java/org/ldk/structs/Init.java
index dd30adba..05927db1 100644
--- a/src/main/java/org/ldk/structs/Init.java
+++ b/src/main/java/org/ldk/structs/Init.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -23,6 +24,7 @@ public class Init extends CommonBase {
 	 */
 	public InitFeatures get_features() {
 		long ret = bindings.Init_get_features(this.ptr);
+		if (ret < 1024) { return null; }
 		InitFeatures ret_hu_conv = new InitFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -41,6 +43,7 @@ public class Init extends CommonBase {
 	 */
 	public static Init of(InitFeatures features_arg) {
 		long ret = bindings.Init_new(features_arg == null ? 0 : features_arg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Init ret_hu_conv = new Init(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(features_arg);
@@ -52,6 +55,7 @@ public class Init extends CommonBase {
 	 */
 	public Init clone() {
 		long ret = bindings.Init_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Init ret_hu_conv = new Init(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -70,6 +74,7 @@ public class Init extends CommonBase {
 	 */
 	public static Result_InitDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.Init_read(ser);
+		if (ret < 1024) { return null; }
 		Result_InitDecodeErrorZ ret_hu_conv = Result_InitDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/InitFeatures.java b/src/main/java/org/ldk/structs/InitFeatures.java
index 1844618d..4548ae49 100644
--- a/src/main/java/org/ldk/structs/InitFeatures.java
+++ b/src/main/java/org/ldk/structs/InitFeatures.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -34,6 +35,7 @@ public class InitFeatures extends CommonBase {
 	 */
 	public InitFeatures clone() {
 		long ret = bindings.InitFeatures_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		InitFeatures ret_hu_conv = new InitFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -44,6 +46,7 @@ public class InitFeatures extends CommonBase {
 	 */
 	public static InitFeatures empty() {
 		long ret = bindings.InitFeatures_empty();
+		if (ret < 1024) { return null; }
 		InitFeatures ret_hu_conv = new InitFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -54,6 +57,7 @@ public class InitFeatures extends CommonBase {
 	 */
 	public static InitFeatures known() {
 		long ret = bindings.InitFeatures_known();
+		if (ret < 1024) { return null; }
 		InitFeatures ret_hu_conv = new InitFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -80,6 +84,7 @@ public class InitFeatures extends CommonBase {
 	 */
 	public static Result_InitFeaturesDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.InitFeatures_read(ser);
+		if (ret < 1024) { return null; }
 		Result_InitFeaturesDecodeErrorZ ret_hu_conv = Result_InitFeaturesDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Invoice.java b/src/main/java/org/ldk/structs/Invoice.java
index 695f35de..452fbb0a 100644
--- a/src/main/java/org/ldk/structs/Invoice.java
+++ b/src/main/java/org/ldk/structs/Invoice.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -39,6 +40,7 @@ public class Invoice extends CommonBase {
 	 */
 	public Invoice clone() {
 		long ret = bindings.Invoice_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Invoice ret_hu_conv = new Invoice(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -49,6 +51,7 @@ public class Invoice extends CommonBase {
 	 */
 	public SignedRawInvoice into_signed_raw() {
 		long ret = bindings.Invoice_into_signed_raw(this.ptr);
+		if (ret < 1024) { return null; }
 		SignedRawInvoice ret_hu_conv = new SignedRawInvoice(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		this.ptrs_to.add(this);
@@ -60,6 +63,7 @@ public class Invoice extends CommonBase {
 	 */
 	public Result_NoneSemanticErrorZ check_signature() {
 		long ret = bindings.Invoice_check_signature(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_NoneSemanticErrorZ ret_hu_conv = Result_NoneSemanticErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -81,6 +85,7 @@ public class Invoice extends CommonBase {
 	 */
 	public static Result_InvoiceSemanticErrorZ from_signed(SignedRawInvoice signed_invoice) {
 		long ret = bindings.Invoice_from_signed(signed_invoice == null ? 0 : signed_invoice.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_InvoiceSemanticErrorZ ret_hu_conv = Result_InvoiceSemanticErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(signed_invoice);
 		return ret_hu_conv;
@@ -104,7 +109,10 @@ public class Invoice extends CommonBase {
 
 	/**
 	 * Get the payee's public key if one was included in the invoice
+	 * 
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
+	@Nullable
 	public byte[] payee_pub_key() {
 		byte[] ret = bindings.Invoice_payee_pub_key(this.ptr);
 		return ret;
@@ -112,7 +120,10 @@ public class Invoice extends CommonBase {
 
 	/**
 	 * Get the payment secret if one was included in the invoice
+	 * 
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
+	@Nullable
 	public byte[] payment_secret() {
 		byte[] ret = bindings.Invoice_payment_secret(this.ptr);
 		return ret;
@@ -120,9 +131,13 @@ public class Invoice extends CommonBase {
 
 	/**
 	 * Get the invoice features if they were included in the invoice
+	 * 
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
+	@Nullable
 	public InvoiceFeatures features() {
 		long ret = bindings.Invoice_features(this.ptr);
+		if (ret < 1024) { return null; }
 		InvoiceFeatures ret_hu_conv = new InvoiceFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -196,6 +211,7 @@ public class Invoice extends CommonBase {
 	 */
 	public Option_u64Z amount_pico_btc() {
 		long ret = bindings.Invoice_amount_pico_btc(this.ptr);
+		if (ret < 1024) { return null; }
 		Option_u64Z ret_hu_conv = Option_u64Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -204,8 +220,9 @@ public class Invoice extends CommonBase {
 	/**
 	 * Read a Invoice object from a string
 	 */
-	public static Result_InvoiceNoneZ from_str(String s) {
+	public static Result_InvoiceNoneZ from_str(java.lang.String s) {
 		long ret = bindings.Invoice_from_str(s);
+		if (ret < 1024) { return null; }
 		Result_InvoiceNoneZ ret_hu_conv = Result_InvoiceNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/InvoiceFeatures.java b/src/main/java/org/ldk/structs/InvoiceFeatures.java
index fd3bc29a..da08d2fe 100644
--- a/src/main/java/org/ldk/structs/InvoiceFeatures.java
+++ b/src/main/java/org/ldk/structs/InvoiceFeatures.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -34,6 +35,7 @@ public class InvoiceFeatures extends CommonBase {
 	 */
 	public InvoiceFeatures clone() {
 		long ret = bindings.InvoiceFeatures_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		InvoiceFeatures ret_hu_conv = new InvoiceFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -44,6 +46,7 @@ public class InvoiceFeatures extends CommonBase {
 	 */
 	public static InvoiceFeatures empty() {
 		long ret = bindings.InvoiceFeatures_empty();
+		if (ret < 1024) { return null; }
 		InvoiceFeatures ret_hu_conv = new InvoiceFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -54,6 +57,7 @@ public class InvoiceFeatures extends CommonBase {
 	 */
 	public static InvoiceFeatures known() {
 		long ret = bindings.InvoiceFeatures_known();
+		if (ret < 1024) { return null; }
 		InvoiceFeatures ret_hu_conv = new InvoiceFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -80,6 +84,7 @@ public class InvoiceFeatures extends CommonBase {
 	 */
 	public static Result_InvoiceFeaturesDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.InvoiceFeatures_read(ser);
+		if (ret < 1024) { return null; }
 		Result_InvoiceFeaturesDecodeErrorZ ret_hu_conv = Result_InvoiceFeaturesDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/InvoiceSignature.java b/src/main/java/org/ldk/structs/InvoiceSignature.java
index 417ac79a..690787d5 100644
--- a/src/main/java/org/ldk/structs/InvoiceSignature.java
+++ b/src/main/java/org/ldk/structs/InvoiceSignature.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -34,6 +35,7 @@ public class InvoiceSignature extends CommonBase {
 	 */
 	public InvoiceSignature clone() {
 		long ret = bindings.InvoiceSignature_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		InvoiceSignature ret_hu_conv = new InvoiceSignature(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/KeysInterface.java b/src/main/java/org/ldk/structs/KeysInterface.java
index 743c7544..4fdc6335 100644
--- a/src/main/java/org/ldk/structs/KeysInterface.java
+++ b/src/main/java/org/ldk/structs/KeysInterface.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 /**
  * A trait to describe an object which can get user secrets and key material.
@@ -156,6 +157,7 @@ public class KeysInterface extends CommonBase {
 	 */
 	public Sign get_channel_signer(boolean inbound, long channel_value_satoshis) {
 		long ret = bindings.KeysInterface_get_channel_signer(this.ptr, inbound, channel_value_satoshis);
+		if (ret < 1024) { return null; }
 		Sign ret_hu_conv = new Sign(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -183,6 +185,7 @@ public class KeysInterface extends CommonBase {
 	 */
 	public Result_SignDecodeErrorZ read_chan_signer(byte[] reader) {
 		long ret = bindings.KeysInterface_read_chan_signer(this.ptr, reader);
+		if (ret < 1024) { return null; }
 		Result_SignDecodeErrorZ ret_hu_conv = Result_SignDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -195,6 +198,7 @@ public class KeysInterface extends CommonBase {
 	 */
 	public Result_RecoverableSignatureNoneZ sign_invoice(byte[] invoice_preimage) {
 		long ret = bindings.KeysInterface_sign_invoice(this.ptr, invoice_preimage);
+		if (ret < 1024) { return null; }
 		Result_RecoverableSignatureNoneZ ret_hu_conv = Result_RecoverableSignatureNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/KeysManager.java b/src/main/java/org/ldk/structs/KeysManager.java
index 047ef055..87b6c48e 100644
--- a/src/main/java/org/ldk/structs/KeysManager.java
+++ b/src/main/java/org/ldk/structs/KeysManager.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -47,6 +48,7 @@ public class KeysManager extends CommonBase {
 	 */
 	public static KeysManager of(byte[] seed, long starting_time_secs, int starting_time_nanos) {
 		long ret = bindings.KeysManager_new(seed, starting_time_secs, starting_time_nanos);
+		if (ret < 1024) { return null; }
 		KeysManager ret_hu_conv = new KeysManager(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -61,6 +63,7 @@ public class KeysManager extends CommonBase {
 	 */
 	public InMemorySigner derive_channel_keys(long channel_value_satoshis, byte[] params) {
 		long ret = bindings.KeysManager_derive_channel_keys(this.ptr, channel_value_satoshis, params);
+		if (ret < 1024) { return null; }
 		InMemorySigner ret_hu_conv = new InMemorySigner(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -80,7 +83,8 @@ public class KeysManager extends CommonBase {
 	 * this KeysManager or one of the `InMemorySigner` created by this KeysManager.
 	 */
 	public Result_TransactionNoneZ spend_spendable_outputs(SpendableOutputDescriptor[] descriptors, TxOut[] outputs, byte[] change_destination_script, int feerate_sat_per_1000_weight) {
-		long ret = bindings.KeysManager_spend_spendable_outputs(this.ptr, Arrays.stream(descriptors).mapToLong(descriptors_conv_27 -> descriptors_conv_27.ptr).toArray(), Arrays.stream(outputs).mapToLong(outputs_conv_7 -> outputs_conv_7.ptr).toArray(), change_destination_script, feerate_sat_per_1000_weight);
+		long ret = bindings.KeysManager_spend_spendable_outputs(this.ptr, descriptors != null ? Arrays.stream(descriptors).mapToLong(descriptors_conv_27 -> descriptors_conv_27.ptr).toArray() : null, outputs != null ? Arrays.stream(outputs).mapToLong(outputs_conv_7 -> outputs_conv_7.ptr).toArray() : null, change_destination_script, feerate_sat_per_1000_weight);
+		if (ret < 1024) { return null; }
 		Result_TransactionNoneZ ret_hu_conv = Result_TransactionNoneZ.constr_from_ptr(ret);
 		/* TODO 2 SpendableOutputDescriptor  */;
 		/* TODO 2 TxOut  */;
@@ -93,6 +97,7 @@ public class KeysManager extends CommonBase {
 	 */
 	public KeysInterface as_KeysInterface() {
 		long ret = bindings.KeysManager_as_KeysInterface(this.ptr);
+		if (ret < 1024) { return null; }
 		KeysInterface ret_hu_conv = new KeysInterface(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/LightningError.java b/src/main/java/org/ldk/structs/LightningError.java
index fa2b562d..a14893e8 100644
--- a/src/main/java/org/ldk/structs/LightningError.java
+++ b/src/main/java/org/ldk/structs/LightningError.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -29,7 +30,7 @@ public class LightningError extends CommonBase {
 	/**
 	 * A human-readable message describing the error
 	 */
-	public void set_err(String val) {
+	public void set_err(java.lang.String val) {
 		bindings.LightningError_set_err(this.ptr, val);
 	}
 
@@ -38,6 +39,7 @@ public class LightningError extends CommonBase {
 	 */
 	public ErrorAction get_action() {
 		long ret = bindings.LightningError_get_action(this.ptr);
+		if (ret < 1024) { return null; }
 		ErrorAction ret_hu_conv = ErrorAction.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -53,8 +55,9 @@ public class LightningError extends CommonBase {
 	/**
 	 * Constructs a new LightningError given each field
 	 */
-	public static LightningError of(String err_arg, ErrorAction action_arg) {
+	public static LightningError of(java.lang.String err_arg, ErrorAction action_arg) {
 		long ret = bindings.LightningError_new(err_arg, action_arg.ptr);
+		if (ret < 1024) { return null; }
 		LightningError ret_hu_conv = new LightningError(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -65,6 +68,7 @@ public class LightningError extends CommonBase {
 	 */
 	public LightningError clone() {
 		long ret = bindings.LightningError_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		LightningError ret_hu_conv = new LightningError(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/Listen.java b/src/main/java/org/ldk/structs/Listen.java
index d975ccaa..2e6b835d 100644
--- a/src/main/java/org/ldk/structs/Listen.java
+++ b/src/main/java/org/ldk/structs/Listen.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 /**
  * The `Listen` trait is used to notify when blocks have been connected or disconnected from the
diff --git a/src/main/java/org/ldk/structs/LockedNetworkGraph.java b/src/main/java/org/ldk/structs/LockedNetworkGraph.java
index c77af379..fabcb4ef 100644
--- a/src/main/java/org/ldk/structs/LockedNetworkGraph.java
+++ b/src/main/java/org/ldk/structs/LockedNetworkGraph.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -23,6 +24,7 @@ public class LockedNetworkGraph extends CommonBase implements AutoCloseable {
 	 */
 	public NetworkGraph graph() {
 		long ret = bindings.LockedNetworkGraph_graph(this.ptr);
+		if (ret < 1024) { return null; }
 		NetworkGraph ret_hu_conv = new NetworkGraph(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/Logger.java b/src/main/java/org/ldk/structs/Logger.java
index 4edaa8af..3535744d 100644
--- a/src/main/java/org/ldk/structs/Logger.java
+++ b/src/main/java/org/ldk/structs/Logger.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 /**
  * A trait encapsulating the operations required of a logger
diff --git a/src/main/java/org/ldk/structs/MessageHandler.java b/src/main/java/org/ldk/structs/MessageHandler.java
index 7077b4a2..2e32c5a8 100644
--- a/src/main/java/org/ldk/structs/MessageHandler.java
+++ b/src/main/java/org/ldk/structs/MessageHandler.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -26,6 +27,7 @@ public class MessageHandler extends CommonBase {
 	 */
 	public ChannelMessageHandler get_chan_handler() {
 		long ret = bindings.MessageHandler_get_chan_handler(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelMessageHandler ret_hu_conv = new ChannelMessageHandler(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -51,6 +53,7 @@ public class MessageHandler extends CommonBase {
 	 */
 	public RoutingMessageHandler get_route_handler() {
 		long ret = bindings.MessageHandler_get_route_handler(this.ptr);
+		if (ret < 1024) { return null; }
 		RoutingMessageHandler ret_hu_conv = new RoutingMessageHandler(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -73,6 +76,7 @@ public class MessageHandler extends CommonBase {
 	 */
 	public static MessageHandler of(ChannelMessageHandler chan_handler_arg, RoutingMessageHandler route_handler_arg) {
 		long ret = bindings.MessageHandler_new(chan_handler_arg == null ? 0 : chan_handler_arg.ptr, route_handler_arg == null ? 0 : route_handler_arg.ptr);
+		if (ret < 1024) { return null; }
 		MessageHandler ret_hu_conv = new MessageHandler(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(chan_handler_arg);
diff --git a/src/main/java/org/ldk/structs/MessageSendEvent.java b/src/main/java/org/ldk/structs/MessageSendEvent.java
index 2885e0ca..670c5b42 100644
--- a/src/main/java/org/ldk/structs/MessageSendEvent.java
+++ b/src/main/java/org/ldk/structs/MessageSendEvent.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -85,7 +86,13 @@ public class MessageSendEvent extends CommonBase {
 	}
 
 	public final static class SendAcceptChannel extends MessageSendEvent {
+		/**
+		 * The node_id of the node which should receive this message
+		*/
 		public final byte[] node_id;
+		/**
+		 * The message which should be sent.
+		*/
 		public final AcceptChannel msg;
 		private SendAcceptChannel(long ptr, bindings.LDKMessageSendEvent.SendAcceptChannel obj) {
 			super(null, ptr);
@@ -97,7 +104,13 @@ public class MessageSendEvent extends CommonBase {
 		}
 	}
 	public final static class SendOpenChannel extends MessageSendEvent {
+		/**
+		 * The node_id of the node which should receive this message
+		*/
 		public final byte[] node_id;
+		/**
+		 * The message which should be sent.
+		*/
 		public final OpenChannel msg;
 		private SendOpenChannel(long ptr, bindings.LDKMessageSendEvent.SendOpenChannel obj) {
 			super(null, ptr);
@@ -109,7 +122,13 @@ public class MessageSendEvent extends CommonBase {
 		}
 	}
 	public final static class SendFundingCreated extends MessageSendEvent {
+		/**
+		 * The node_id of the node which should receive this message
+		*/
 		public final byte[] node_id;
+		/**
+		 * The message which should be sent.
+		*/
 		public final FundingCreated msg;
 		private SendFundingCreated(long ptr, bindings.LDKMessageSendEvent.SendFundingCreated obj) {
 			super(null, ptr);
@@ -121,7 +140,13 @@ public class MessageSendEvent extends CommonBase {
 		}
 	}
 	public final static class SendFundingSigned extends MessageSendEvent {
+		/**
+		 * The node_id of the node which should receive this message
+		*/
 		public final byte[] node_id;
+		/**
+		 * The message which should be sent.
+		*/
 		public final FundingSigned msg;
 		private SendFundingSigned(long ptr, bindings.LDKMessageSendEvent.SendFundingSigned obj) {
 			super(null, ptr);
@@ -133,7 +158,13 @@ public class MessageSendEvent extends CommonBase {
 		}
 	}
 	public final static class SendFundingLocked extends MessageSendEvent {
+		/**
+		 * The node_id of the node which should receive these message(s)
+		*/
 		public final byte[] node_id;
+		/**
+		 * The funding_locked message which should be sent.
+		*/
 		public final FundingLocked msg;
 		private SendFundingLocked(long ptr, bindings.LDKMessageSendEvent.SendFundingLocked obj) {
 			super(null, ptr);
@@ -145,7 +176,13 @@ public class MessageSendEvent extends CommonBase {
 		}
 	}
 	public final static class SendAnnouncementSignatures extends MessageSendEvent {
+		/**
+		 * The node_id of the node which should receive these message(s)
+		*/
 		public final byte[] node_id;
+		/**
+		 * The announcement_signatures message which should be sent.
+		*/
 		public final AnnouncementSignatures msg;
 		private SendAnnouncementSignatures(long ptr, bindings.LDKMessageSendEvent.SendAnnouncementSignatures obj) {
 			super(null, ptr);
@@ -157,7 +194,13 @@ public class MessageSendEvent extends CommonBase {
 		}
 	}
 	public final static class UpdateHTLCs extends MessageSendEvent {
+		/**
+		 * The node_id of the node which should receive these message(s)
+		*/
 		public final byte[] node_id;
+		/**
+		 * The update messages which should be sent. ALL messages in the struct should be sent!
+		*/
 		public final CommitmentUpdate updates;
 		private UpdateHTLCs(long ptr, bindings.LDKMessageSendEvent.UpdateHTLCs obj) {
 			super(null, ptr);
@@ -169,7 +212,13 @@ public class MessageSendEvent extends CommonBase {
 		}
 	}
 	public final static class SendRevokeAndACK extends MessageSendEvent {
+		/**
+		 * The node_id of the node which should receive this message
+		*/
 		public final byte[] node_id;
+		/**
+		 * The message which should be sent.
+		*/
 		public final RevokeAndACK msg;
 		private SendRevokeAndACK(long ptr, bindings.LDKMessageSendEvent.SendRevokeAndACK obj) {
 			super(null, ptr);
@@ -181,7 +230,13 @@ public class MessageSendEvent extends CommonBase {
 		}
 	}
 	public final static class SendClosingSigned extends MessageSendEvent {
+		/**
+		 * The node_id of the node which should receive this message
+		*/
 		public final byte[] node_id;
+		/**
+		 * The message which should be sent.
+		*/
 		public final ClosingSigned msg;
 		private SendClosingSigned(long ptr, bindings.LDKMessageSendEvent.SendClosingSigned obj) {
 			super(null, ptr);
@@ -193,7 +248,13 @@ public class MessageSendEvent extends CommonBase {
 		}
 	}
 	public final static class SendShutdown extends MessageSendEvent {
+		/**
+		 * The node_id of the node which should receive this message
+		*/
 		public final byte[] node_id;
+		/**
+		 * The message which should be sent.
+		*/
 		public final Shutdown msg;
 		private SendShutdown(long ptr, bindings.LDKMessageSendEvent.SendShutdown obj) {
 			super(null, ptr);
@@ -205,7 +266,13 @@ public class MessageSendEvent extends CommonBase {
 		}
 	}
 	public final static class SendChannelReestablish extends MessageSendEvent {
+		/**
+		 * The node_id of the node which should receive this message
+		*/
 		public final byte[] node_id;
+		/**
+		 * The message which should be sent.
+		*/
 		public final ChannelReestablish msg;
 		private SendChannelReestablish(long ptr, bindings.LDKMessageSendEvent.SendChannelReestablish obj) {
 			super(null, ptr);
@@ -217,7 +284,13 @@ public class MessageSendEvent extends CommonBase {
 		}
 	}
 	public final static class BroadcastChannelAnnouncement extends MessageSendEvent {
+		/**
+		 * The channel_announcement which should be sent.
+		*/
 		public final ChannelAnnouncement msg;
+		/**
+		 * The followup channel_update which should be sent.
+		*/
 		public final ChannelUpdate update_msg;
 		private BroadcastChannelAnnouncement(long ptr, bindings.LDKMessageSendEvent.BroadcastChannelAnnouncement obj) {
 			super(null, ptr);
@@ -232,6 +305,9 @@ public class MessageSendEvent extends CommonBase {
 		}
 	}
 	public final static class BroadcastNodeAnnouncement extends MessageSendEvent {
+		/**
+		 * The node_announcement which should be sent.
+		*/
 		public final NodeAnnouncement msg;
 		private BroadcastNodeAnnouncement(long ptr, bindings.LDKMessageSendEvent.BroadcastNodeAnnouncement obj) {
 			super(null, ptr);
@@ -242,6 +318,9 @@ public class MessageSendEvent extends CommonBase {
 		}
 	}
 	public final static class BroadcastChannelUpdate extends MessageSendEvent {
+		/**
+		 * The channel_update which should be sent.
+		*/
 		public final ChannelUpdate msg;
 		private BroadcastChannelUpdate(long ptr, bindings.LDKMessageSendEvent.BroadcastChannelUpdate obj) {
 			super(null, ptr);
@@ -252,7 +331,13 @@ public class MessageSendEvent extends CommonBase {
 		}
 	}
 	public final static class SendChannelUpdate extends MessageSendEvent {
+		/**
+		 * The node_id of the node which should receive this message
+		*/
 		public final byte[] node_id;
+		/**
+		 * The channel_update which should be sent.
+		*/
 		public final ChannelUpdate msg;
 		private SendChannelUpdate(long ptr, bindings.LDKMessageSendEvent.SendChannelUpdate obj) {
 			super(null, ptr);
@@ -264,7 +349,13 @@ public class MessageSendEvent extends CommonBase {
 		}
 	}
 	public final static class HandleError extends MessageSendEvent {
+		/**
+		 * The node_id of the node which should receive this message
+		*/
 		public final byte[] node_id;
+		/**
+		 * The action which should be taken.
+		*/
 		public final ErrorAction action;
 		private HandleError(long ptr, bindings.LDKMessageSendEvent.HandleError obj) {
 			super(null, ptr);
@@ -276,6 +367,9 @@ public class MessageSendEvent extends CommonBase {
 		}
 	}
 	public final static class PaymentFailureNetworkUpdate extends MessageSendEvent {
+		/**
+		 * The channel/node update which should be sent to NetGraphMsgHandler
+		*/
 		public final HTLCFailChannelUpdate update;
 		private PaymentFailureNetworkUpdate(long ptr, bindings.LDKMessageSendEvent.PaymentFailureNetworkUpdate obj) {
 			super(null, ptr);
@@ -286,7 +380,13 @@ public class MessageSendEvent extends CommonBase {
 		}
 	}
 	public final static class SendChannelRangeQuery extends MessageSendEvent {
+		/**
+		 * The node_id of this message recipient
+		*/
 		public final byte[] node_id;
+		/**
+		 * The query_channel_range which should be sent.
+		*/
 		public final QueryChannelRange msg;
 		private SendChannelRangeQuery(long ptr, bindings.LDKMessageSendEvent.SendChannelRangeQuery obj) {
 			super(null, ptr);
@@ -298,7 +398,13 @@ public class MessageSendEvent extends CommonBase {
 		}
 	}
 	public final static class SendShortIdsQuery extends MessageSendEvent {
+		/**
+		 * The node_id of this message recipient
+		*/
 		public final byte[] node_id;
+		/**
+		 * The query_short_channel_ids which should be sent.
+		*/
 		public final QueryShortChannelIds msg;
 		private SendShortIdsQuery(long ptr, bindings.LDKMessageSendEvent.SendShortIdsQuery obj) {
 			super(null, ptr);
@@ -310,7 +416,13 @@ public class MessageSendEvent extends CommonBase {
 		}
 	}
 	public final static class SendReplyChannelRange extends MessageSendEvent {
+		/**
+		 * The node_id of this message recipient
+		*/
 		public final byte[] node_id;
+		/**
+		 * The reply_channel_range which should be sent.
+		*/
 		public final ReplyChannelRange msg;
 		private SendReplyChannelRange(long ptr, bindings.LDKMessageSendEvent.SendReplyChannelRange obj) {
 			super(null, ptr);
@@ -326,9 +438,249 @@ public class MessageSendEvent extends CommonBase {
 	 */
 	public MessageSendEvent clone() {
 		long ret = bindings.MessageSendEvent_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Utility method to constructs a new SendAcceptChannel-variant MessageSendEvent
+	 */
+	public static MessageSendEvent send_accept_channel(byte[] node_id, AcceptChannel msg) {
+		long ret = bindings.MessageSendEvent_send_accept_channel(node_id, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new SendOpenChannel-variant MessageSendEvent
+	 */
+	public static MessageSendEvent send_open_channel(byte[] node_id, OpenChannel msg) {
+		long ret = bindings.MessageSendEvent_send_open_channel(node_id, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new SendFundingCreated-variant MessageSendEvent
+	 */
+	public static MessageSendEvent send_funding_created(byte[] node_id, FundingCreated msg) {
+		long ret = bindings.MessageSendEvent_send_funding_created(node_id, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new SendFundingSigned-variant MessageSendEvent
+	 */
+	public static MessageSendEvent send_funding_signed(byte[] node_id, FundingSigned msg) {
+		long ret = bindings.MessageSendEvent_send_funding_signed(node_id, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new SendFundingLocked-variant MessageSendEvent
+	 */
+	public static MessageSendEvent send_funding_locked(byte[] node_id, FundingLocked msg) {
+		long ret = bindings.MessageSendEvent_send_funding_locked(node_id, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new SendAnnouncementSignatures-variant MessageSendEvent
+	 */
+	public static MessageSendEvent send_announcement_signatures(byte[] node_id, AnnouncementSignatures msg) {
+		long ret = bindings.MessageSendEvent_send_announcement_signatures(node_id, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new UpdateHTLCs-variant MessageSendEvent
+	 */
+	public static MessageSendEvent update_htlcs(byte[] node_id, CommitmentUpdate updates) {
+		long ret = bindings.MessageSendEvent_update_htlcs(node_id, updates == null ? 0 : updates.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(updates);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new SendRevokeAndACK-variant MessageSendEvent
+	 */
+	public static MessageSendEvent send_revoke_and_ack(byte[] node_id, RevokeAndACK msg) {
+		long ret = bindings.MessageSendEvent_send_revoke_and_ack(node_id, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new SendClosingSigned-variant MessageSendEvent
+	 */
+	public static MessageSendEvent send_closing_signed(byte[] node_id, ClosingSigned msg) {
+		long ret = bindings.MessageSendEvent_send_closing_signed(node_id, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new SendShutdown-variant MessageSendEvent
+	 */
+	public static MessageSendEvent send_shutdown(byte[] node_id, Shutdown msg) {
+		long ret = bindings.MessageSendEvent_send_shutdown(node_id, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new SendChannelReestablish-variant MessageSendEvent
+	 */
+	public static MessageSendEvent send_channel_reestablish(byte[] node_id, ChannelReestablish msg) {
+		long ret = bindings.MessageSendEvent_send_channel_reestablish(node_id, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new BroadcastChannelAnnouncement-variant MessageSendEvent
+	 */
+	public static MessageSendEvent broadcast_channel_announcement(ChannelAnnouncement msg, ChannelUpdate update_msg) {
+		long ret = bindings.MessageSendEvent_broadcast_channel_announcement(msg == null ? 0 : msg.ptr & ~1, update_msg == null ? 0 : update_msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		ret_hu_conv.ptrs_to.add(update_msg);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new BroadcastNodeAnnouncement-variant MessageSendEvent
+	 */
+	public static MessageSendEvent broadcast_node_announcement(NodeAnnouncement msg) {
+		long ret = bindings.MessageSendEvent_broadcast_node_announcement(msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new BroadcastChannelUpdate-variant MessageSendEvent
+	 */
+	public static MessageSendEvent broadcast_channel_update(ChannelUpdate msg) {
+		long ret = bindings.MessageSendEvent_broadcast_channel_update(msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new SendChannelUpdate-variant MessageSendEvent
+	 */
+	public static MessageSendEvent send_channel_update(byte[] node_id, ChannelUpdate msg) {
+		long ret = bindings.MessageSendEvent_send_channel_update(node_id, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new HandleError-variant MessageSendEvent
+	 */
+	public static MessageSendEvent handle_error(byte[] node_id, ErrorAction action) {
+		long ret = bindings.MessageSendEvent_handle_error(node_id, action.ptr);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new PaymentFailureNetworkUpdate-variant MessageSendEvent
+	 */
+	public static MessageSendEvent payment_failure_network_update(HTLCFailChannelUpdate update) {
+		long ret = bindings.MessageSendEvent_payment_failure_network_update(update.ptr);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new SendChannelRangeQuery-variant MessageSendEvent
+	 */
+	public static MessageSendEvent send_channel_range_query(byte[] node_id, QueryChannelRange msg) {
+		long ret = bindings.MessageSendEvent_send_channel_range_query(node_id, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new SendShortIdsQuery-variant MessageSendEvent
+	 */
+	public static MessageSendEvent send_short_ids_query(byte[] node_id, QueryShortChannelIds msg) {
+		long ret = bindings.MessageSendEvent_send_short_ids_query(node_id, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new SendReplyChannelRange-variant MessageSendEvent
+	 */
+	public static MessageSendEvent send_reply_channel_range(byte[] node_id, ReplyChannelRange msg) {
+		long ret = bindings.MessageSendEvent_send_reply_channel_range(node_id, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
 }
diff --git a/src/main/java/org/ldk/structs/MessageSendEventsProvider.java b/src/main/java/org/ldk/structs/MessageSendEventsProvider.java
index c548e4e4..97fe6940 100644
--- a/src/main/java/org/ldk/structs/MessageSendEventsProvider.java
+++ b/src/main/java/org/ldk/structs/MessageSendEventsProvider.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 /**
  * A trait indicating an object may generate message send events
@@ -35,7 +36,7 @@ public class MessageSendEventsProvider extends CommonBase {
 		impl_holder.held = new MessageSendEventsProvider(new bindings.LDKMessageSendEventsProvider() {
 			@Override public long[] get_and_clear_pending_msg_events() {
 				MessageSendEvent[] ret = arg.get_and_clear_pending_msg_events();
-				long[] result = Arrays.stream(ret).mapToLong(ret_conv_18 -> ret_conv_18.ptr).toArray();
+				long[] result = ret != null ? Arrays.stream(ret).mapToLong(ret_conv_18 -> ret_conv_18.ptr).toArray() : null;
 				/* TODO 2 MessageSendEvent  */;
 				return result;
 			}
diff --git a/src/main/java/org/ldk/structs/MinFinalCltvExpiry.java b/src/main/java/org/ldk/structs/MinFinalCltvExpiry.java
index ec25b972..c06fba18 100644
--- a/src/main/java/org/ldk/structs/MinFinalCltvExpiry.java
+++ b/src/main/java/org/ldk/structs/MinFinalCltvExpiry.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -34,6 +35,7 @@ public class MinFinalCltvExpiry extends CommonBase {
 	 */
 	public MinFinalCltvExpiry clone() {
 		long ret = bindings.MinFinalCltvExpiry_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		MinFinalCltvExpiry ret_hu_conv = new MinFinalCltvExpiry(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/MonitorEvent.java b/src/main/java/org/ldk/structs/MonitorEvent.java
index 68421e71..d93c085a 100644
--- a/src/main/java/org/ldk/structs/MonitorEvent.java
+++ b/src/main/java/org/ldk/structs/MonitorEvent.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -53,9 +54,34 @@ public class MonitorEvent extends CommonBase {
 	 */
 	public MonitorEvent clone() {
 		long ret = bindings.MonitorEvent_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		MonitorEvent ret_hu_conv = MonitorEvent.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Utility method to constructs a new HTLCEvent-variant MonitorEvent
+	 */
+	public static MonitorEvent htlcevent(HTLCUpdate a) {
+		long ret = bindings.MonitorEvent_htlcevent(a == null ? 0 : a.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MonitorEvent ret_hu_conv = MonitorEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(a);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new CommitmentTxBroadcasted-variant MonitorEvent
+	 */
+	public static MonitorEvent commitment_tx_broadcasted(OutPoint a) {
+		long ret = bindings.MonitorEvent_commitment_tx_broadcasted(a == null ? 0 : a.ptr & ~1);
+		if (ret < 1024) { return null; }
+		MonitorEvent ret_hu_conv = MonitorEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(a);
+		return ret_hu_conv;
+	}
+
 }
diff --git a/src/main/java/org/ldk/structs/MonitorUpdateError.java b/src/main/java/org/ldk/structs/MonitorUpdateError.java
index 6c6c2783..63fdecb5 100644
--- a/src/main/java/org/ldk/structs/MonitorUpdateError.java
+++ b/src/main/java/org/ldk/structs/MonitorUpdateError.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -27,6 +28,7 @@ public class MonitorUpdateError extends CommonBase {
 	 */
 	public MonitorUpdateError clone() {
 		long ret = bindings.MonitorUpdateError_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		MonitorUpdateError ret_hu_conv = new MonitorUpdateError(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/NetAddress.java b/src/main/java/org/ldk/structs/NetAddress.java
index 83b2c27e..420d9bb5 100644
--- a/src/main/java/org/ldk/structs/NetAddress.java
+++ b/src/main/java/org/ldk/structs/NetAddress.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -35,7 +36,13 @@ public class NetAddress extends CommonBase {
 	}
 
 	public final static class IPv4 extends NetAddress {
+		/**
+		 * The 4-byte IPv4 address
+		*/
 		public final byte[] addr;
+		/**
+		 * The port on which the node is listening
+		*/
 		public final short port;
 		private IPv4(long ptr, bindings.LDKNetAddress.IPv4 obj) {
 			super(null, ptr);
@@ -44,7 +51,13 @@ public class NetAddress extends CommonBase {
 		}
 	}
 	public final static class IPv6 extends NetAddress {
+		/**
+		 * The 16-byte IPv6 address
+		*/
 		public final byte[] addr;
+		/**
+		 * The port on which the node is listening
+		*/
 		public final short port;
 		private IPv6(long ptr, bindings.LDKNetAddress.IPv6 obj) {
 			super(null, ptr);
@@ -53,7 +66,13 @@ public class NetAddress extends CommonBase {
 		}
 	}
 	public final static class OnionV2 extends NetAddress {
+		/**
+		 * The bytes (usually encoded in base32 with \".onion\" appended)
+		*/
 		public final byte[] addr;
+		/**
+		 * The port on which the node is listening
+		*/
 		public final short port;
 		private OnionV2(long ptr, bindings.LDKNetAddress.OnionV2 obj) {
 			super(null, ptr);
@@ -62,9 +81,21 @@ public class NetAddress extends CommonBase {
 		}
 	}
 	public final static class OnionV3 extends NetAddress {
+		/**
+		 * The ed25519 long-term public key of the peer
+		*/
 		public final byte[] ed25519_pubkey;
+		/**
+		 * The checksum of the pubkey and version, as included in the onion address
+		*/
 		public final short checksum;
+		/**
+		 * The version byte, as defined by the Tor Onion v3 spec.
+		*/
 		public final byte version;
+		/**
+		 * The port on which the node is listening
+		*/
 		public final short port;
 		private OnionV3(long ptr, bindings.LDKNetAddress.OnionV3 obj) {
 			super(null, ptr);
@@ -79,11 +110,56 @@ public class NetAddress extends CommonBase {
 	 */
 	public NetAddress clone() {
 		long ret = bindings.NetAddress_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		NetAddress ret_hu_conv = NetAddress.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Utility method to constructs a new IPv4-variant NetAddress
+	 */
+	public static NetAddress ipv4(byte[] addr, short port) {
+		long ret = bindings.NetAddress_ipv4(addr, port);
+		if (ret < 1024) { return null; }
+		NetAddress ret_hu_conv = NetAddress.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new IPv6-variant NetAddress
+	 */
+	public static NetAddress ipv6(byte[] addr, short port) {
+		long ret = bindings.NetAddress_ipv6(addr, port);
+		if (ret < 1024) { return null; }
+		NetAddress ret_hu_conv = NetAddress.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new OnionV2-variant NetAddress
+	 */
+	public static NetAddress onion_v2(byte[] addr, short port) {
+		long ret = bindings.NetAddress_onion_v2(addr, port);
+		if (ret < 1024) { return null; }
+		NetAddress ret_hu_conv = NetAddress.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new OnionV3-variant NetAddress
+	 */
+	public static NetAddress onion_v3(byte[] ed25519_pubkey, short checksum, byte version, short port) {
+		long ret = bindings.NetAddress_onion_v3(ed25519_pubkey, checksum, version, port);
+		if (ret < 1024) { return null; }
+		NetAddress ret_hu_conv = NetAddress.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
 	/**
 	 * Serialize the NetAddress object into a byte array which can be read by NetAddress_read
 	 */
@@ -97,6 +173,7 @@ public class NetAddress extends CommonBase {
 	 */
 	public static Result_NetAddressDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.NetAddress_read(ser);
+		if (ret < 1024) { return null; }
 		Result_NetAddressDecodeErrorZ ret_hu_conv = Result_NetAddressDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/NetGraphMsgHandler.java b/src/main/java/org/ldk/structs/NetGraphMsgHandler.java
index 977e197a..80225880 100644
--- a/src/main/java/org/ldk/structs/NetGraphMsgHandler.java
+++ b/src/main/java/org/ldk/structs/NetGraphMsgHandler.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -28,9 +29,12 @@ public class NetGraphMsgHandler extends CommonBase {
 	 * Chain monitor is used to make sure announced channels exist on-chain,
 	 * channel data is correct, and that the announcement is signed with
 	 * channel owners' keys.
+	 * 
+	 * Note that chain_access (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public static NetGraphMsgHandler of(byte[] genesis_hash, Access chain_access, Logger logger) {
+	public static NetGraphMsgHandler of(byte[] genesis_hash, @Nullable Access chain_access, Logger logger) {
 		long ret = bindings.NetGraphMsgHandler_new(genesis_hash, chain_access == null ? 0 : chain_access.ptr, logger == null ? 0 : logger.ptr);
+		if (ret < 1024) { return null; }
 		NetGraphMsgHandler ret_hu_conv = new NetGraphMsgHandler(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(chain_access);
@@ -41,9 +45,12 @@ public class NetGraphMsgHandler extends CommonBase {
 	/**
 	 * Creates a new tracker of the actual state of the network of channels and nodes,
 	 * assuming an existing Network Graph.
+	 * 
+	 * Note that chain_access (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public static NetGraphMsgHandler from_net_graph(Access chain_access, Logger logger, NetworkGraph network_graph) {
+	public static NetGraphMsgHandler from_net_graph(@Nullable Access chain_access, Logger logger, NetworkGraph network_graph) {
 		long ret = bindings.NetGraphMsgHandler_from_net_graph(chain_access == null ? 0 : chain_access.ptr, logger == null ? 0 : logger.ptr, network_graph == null ? 0 : network_graph.ptr & ~1);
+		if (ret < 1024) { return null; }
 		NetGraphMsgHandler ret_hu_conv = new NetGraphMsgHandler(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(chain_access);
@@ -56,8 +63,10 @@ public class NetGraphMsgHandler extends CommonBase {
 	 * Adds a provider used to check new announcements. Does not affect
 	 * existing announcements unless they are updated.
 	 * Add, update or remove the provider would replace the current one.
+	 * 
+	 * Note that chain_access (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public void add_chain_access(Access chain_access) {
+	public void add_chain_access(@Nullable Access chain_access) {
 		bindings.NetGraphMsgHandler_add_chain_access(this.ptr, chain_access == null ? 0 : chain_access.ptr);
 		this.ptrs_to.add(chain_access);
 	}
@@ -70,6 +79,7 @@ public class NetGraphMsgHandler extends CommonBase {
 	 */
 	public LockedNetworkGraph read_locked_graph() {
 		long ret = bindings.NetGraphMsgHandler_read_locked_graph(this.ptr);
+		if (ret < 1024) { return null; }
 		LockedNetworkGraph ret_hu_conv = new LockedNetworkGraph(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -81,6 +91,7 @@ public class NetGraphMsgHandler extends CommonBase {
 	 */
 	public RoutingMessageHandler as_RoutingMessageHandler() {
 		long ret = bindings.NetGraphMsgHandler_as_RoutingMessageHandler(this.ptr);
+		if (ret < 1024) { return null; }
 		RoutingMessageHandler ret_hu_conv = new RoutingMessageHandler(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -92,6 +103,7 @@ public class NetGraphMsgHandler extends CommonBase {
 	 */
 	public MessageSendEventsProvider as_MessageSendEventsProvider() {
 		long ret = bindings.NetGraphMsgHandler_as_MessageSendEventsProvider(this.ptr);
+		if (ret < 1024) { return null; }
 		MessageSendEventsProvider ret_hu_conv = new MessageSendEventsProvider(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/NetworkGraph.java b/src/main/java/org/ldk/structs/NetworkGraph.java
index 69d615ed..b010679d 100644
--- a/src/main/java/org/ldk/structs/NetworkGraph.java
+++ b/src/main/java/org/ldk/structs/NetworkGraph.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -23,6 +24,7 @@ public class NetworkGraph extends CommonBase {
 	 */
 	public NetworkGraph clone() {
 		long ret = bindings.NetworkGraph_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		NetworkGraph ret_hu_conv = new NetworkGraph(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -41,6 +43,7 @@ public class NetworkGraph extends CommonBase {
 	 */
 	public static Result_NetworkGraphDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.NetworkGraph_read(ser);
+		if (ret < 1024) { return null; }
 		Result_NetworkGraphDecodeErrorZ ret_hu_conv = Result_NetworkGraphDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -50,6 +53,7 @@ public class NetworkGraph extends CommonBase {
 	 */
 	public static NetworkGraph of(byte[] genesis_hash) {
 		long ret = bindings.NetworkGraph_new(genesis_hash);
+		if (ret < 1024) { return null; }
 		NetworkGraph ret_hu_conv = new NetworkGraph(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -65,6 +69,7 @@ public class NetworkGraph extends CommonBase {
 	 */
 	public Result_NoneLightningErrorZ update_node_from_announcement(NodeAnnouncement msg) {
 		long ret = bindings.NetworkGraph_update_node_from_announcement(this.ptr, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(msg);
 		return ret_hu_conv;
@@ -78,6 +83,7 @@ public class NetworkGraph extends CommonBase {
 	 */
 	public Result_NoneLightningErrorZ update_node_from_unsigned_announcement(UnsignedNodeAnnouncement msg) {
 		long ret = bindings.NetworkGraph_update_node_from_unsigned_announcement(this.ptr, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(msg);
 		return ret_hu_conv;
@@ -92,9 +98,12 @@ public class NetworkGraph extends CommonBase {
 	 * 
 	 * If a `chain::Access` object is provided via `chain_access`, it will be called to verify
 	 * the corresponding UTXO exists on chain and is correctly-formatted.
+	 * 
+	 * Note that chain_access (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public Result_NoneLightningErrorZ update_channel_from_announcement(ChannelAnnouncement msg, Access chain_access) {
+	public Result_NoneLightningErrorZ update_channel_from_announcement(ChannelAnnouncement msg, @Nullable Access chain_access) {
 		long ret = bindings.NetworkGraph_update_channel_from_announcement(this.ptr, msg == null ? 0 : msg.ptr & ~1, chain_access == null ? 0 : chain_access.ptr);
+		if (ret < 1024) { return null; }
 		Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(msg);
 		this.ptrs_to.add(chain_access);
@@ -108,9 +117,12 @@ public class NetworkGraph extends CommonBase {
 	 * 
 	 * If a `chain::Access` object is provided via `chain_access`, it will be called to verify
 	 * the corresponding UTXO exists on chain and is correctly-formatted.
+	 * 
+	 * Note that chain_access (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public Result_NoneLightningErrorZ update_channel_from_unsigned_announcement(UnsignedChannelAnnouncement msg, Access chain_access) {
+	public Result_NoneLightningErrorZ update_channel_from_unsigned_announcement(UnsignedChannelAnnouncement msg, @Nullable Access chain_access) {
 		long ret = bindings.NetworkGraph_update_channel_from_unsigned_announcement(this.ptr, msg == null ? 0 : msg.ptr & ~1, chain_access == null ? 0 : chain_access.ptr);
+		if (ret < 1024) { return null; }
 		Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(msg);
 		this.ptrs_to.add(chain_access);
@@ -137,6 +149,7 @@ public class NetworkGraph extends CommonBase {
 	 */
 	public Result_NoneLightningErrorZ update_channel(ChannelUpdate msg) {
 		long ret = bindings.NetworkGraph_update_channel(this.ptr, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(msg);
 		return ret_hu_conv;
@@ -149,6 +162,7 @@ public class NetworkGraph extends CommonBase {
 	 */
 	public Result_NoneLightningErrorZ update_channel_unsigned(UnsignedChannelUpdate msg) {
 		long ret = bindings.NetworkGraph_update_channel_unsigned(this.ptr, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(msg);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/NodeAnnouncement.java b/src/main/java/org/ldk/structs/NodeAnnouncement.java
index 57c76501..96d7b725 100644
--- a/src/main/java/org/ldk/structs/NodeAnnouncement.java
+++ b/src/main/java/org/ldk/structs/NodeAnnouncement.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -38,6 +39,7 @@ public class NodeAnnouncement extends CommonBase {
 	 */
 	public UnsignedNodeAnnouncement get_contents() {
 		long ret = bindings.NodeAnnouncement_get_contents(this.ptr);
+		if (ret < 1024) { return null; }
 		UnsignedNodeAnnouncement ret_hu_conv = new UnsignedNodeAnnouncement(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -56,6 +58,7 @@ public class NodeAnnouncement extends CommonBase {
 	 */
 	public static NodeAnnouncement of(byte[] signature_arg, UnsignedNodeAnnouncement contents_arg) {
 		long ret = bindings.NodeAnnouncement_new(signature_arg, contents_arg == null ? 0 : contents_arg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		NodeAnnouncement ret_hu_conv = new NodeAnnouncement(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(contents_arg);
@@ -67,6 +70,7 @@ public class NodeAnnouncement extends CommonBase {
 	 */
 	public NodeAnnouncement clone() {
 		long ret = bindings.NodeAnnouncement_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		NodeAnnouncement ret_hu_conv = new NodeAnnouncement(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -85,6 +89,7 @@ public class NodeAnnouncement extends CommonBase {
 	 */
 	public static Result_NodeAnnouncementDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.NodeAnnouncement_read(ser);
+		if (ret < 1024) { return null; }
 		Result_NodeAnnouncementDecodeErrorZ ret_hu_conv = Result_NodeAnnouncementDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/NodeAnnouncementInfo.java b/src/main/java/org/ldk/structs/NodeAnnouncementInfo.java
index a44826ab..26385c85 100644
--- a/src/main/java/org/ldk/structs/NodeAnnouncementInfo.java
+++ b/src/main/java/org/ldk/structs/NodeAnnouncementInfo.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -23,6 +24,7 @@ public class NodeAnnouncementInfo extends CommonBase {
 	 */
 	public NodeFeatures get_features() {
 		long ret = bindings.NodeAnnouncementInfo_get_features(this.ptr);
+		if (ret < 1024) { return null; }
 		NodeFeatures ret_hu_conv = new NodeFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -91,7 +93,7 @@ public class NodeAnnouncementInfo extends CommonBase {
 	 * Internet-level addresses via which one can connect to the node
 	 */
 	public void set_addresses(NetAddress[] val) {
-		bindings.NodeAnnouncementInfo_set_addresses(this.ptr, Arrays.stream(val).mapToLong(val_conv_12 -> val_conv_12.ptr).toArray());
+		bindings.NodeAnnouncementInfo_set_addresses(this.ptr, val != null ? Arrays.stream(val).mapToLong(val_conv_12 -> val_conv_12.ptr).toArray() : null);
 		/* TODO 2 NetAddress  */;
 	}
 
@@ -100,9 +102,13 @@ public class NodeAnnouncementInfo extends CommonBase {
 	 * Mostly redundant with the data we store in fields explicitly.
 	 * Everything else is useful only for sending out for initial routing sync.
 	 * Not stored if contains excess data to prevent DoS.
+	 * 
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
+	@Nullable
 	public NodeAnnouncement get_announcement_message() {
 		long ret = bindings.NodeAnnouncementInfo_get_announcement_message(this.ptr);
+		if (ret < 1024) { return null; }
 		NodeAnnouncement ret_hu_conv = new NodeAnnouncement(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -113,8 +119,10 @@ public class NodeAnnouncementInfo extends CommonBase {
 	 * Mostly redundant with the data we store in fields explicitly.
 	 * Everything else is useful only for sending out for initial routing sync.
 	 * Not stored if contains excess data to prevent DoS.
+	 * 
+	 * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public void set_announcement_message(NodeAnnouncement val) {
+	public void set_announcement_message(@Nullable NodeAnnouncement val) {
 		bindings.NodeAnnouncementInfo_set_announcement_message(this.ptr, val == null ? 0 : val.ptr & ~1);
 		this.ptrs_to.add(val);
 	}
@@ -123,7 +131,8 @@ public class NodeAnnouncementInfo extends CommonBase {
 	 * Constructs a new NodeAnnouncementInfo given each field
 	 */
 	public static NodeAnnouncementInfo of(NodeFeatures features_arg, int last_update_arg, byte[] rgb_arg, byte[] alias_arg, NetAddress[] addresses_arg, NodeAnnouncement announcement_message_arg) {
-		long ret = bindings.NodeAnnouncementInfo_new(features_arg == null ? 0 : features_arg.ptr & ~1, last_update_arg, rgb_arg, alias_arg, Arrays.stream(addresses_arg).mapToLong(addresses_arg_conv_12 -> addresses_arg_conv_12.ptr).toArray(), announcement_message_arg == null ? 0 : announcement_message_arg.ptr & ~1);
+		long ret = bindings.NodeAnnouncementInfo_new(features_arg == null ? 0 : features_arg.ptr & ~1, last_update_arg, rgb_arg, alias_arg, addresses_arg != null ? Arrays.stream(addresses_arg).mapToLong(addresses_arg_conv_12 -> addresses_arg_conv_12.ptr).toArray() : null, announcement_message_arg == null ? 0 : announcement_message_arg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		NodeAnnouncementInfo ret_hu_conv = new NodeAnnouncementInfo(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(features_arg);
@@ -137,6 +146,7 @@ public class NodeAnnouncementInfo extends CommonBase {
 	 */
 	public NodeAnnouncementInfo clone() {
 		long ret = bindings.NodeAnnouncementInfo_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		NodeAnnouncementInfo ret_hu_conv = new NodeAnnouncementInfo(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -155,6 +165,7 @@ public class NodeAnnouncementInfo extends CommonBase {
 	 */
 	public static Result_NodeAnnouncementInfoDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.NodeAnnouncementInfo_read(ser);
+		if (ret < 1024) { return null; }
 		Result_NodeAnnouncementInfoDecodeErrorZ ret_hu_conv = Result_NodeAnnouncementInfoDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/NodeFeatures.java b/src/main/java/org/ldk/structs/NodeFeatures.java
index 04f3c55c..9d78059f 100644
--- a/src/main/java/org/ldk/structs/NodeFeatures.java
+++ b/src/main/java/org/ldk/structs/NodeFeatures.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -34,6 +35,7 @@ public class NodeFeatures extends CommonBase {
 	 */
 	public NodeFeatures clone() {
 		long ret = bindings.NodeFeatures_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		NodeFeatures ret_hu_conv = new NodeFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -44,6 +46,7 @@ public class NodeFeatures extends CommonBase {
 	 */
 	public static NodeFeatures empty() {
 		long ret = bindings.NodeFeatures_empty();
+		if (ret < 1024) { return null; }
 		NodeFeatures ret_hu_conv = new NodeFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -54,6 +57,7 @@ public class NodeFeatures extends CommonBase {
 	 */
 	public static NodeFeatures known() {
 		long ret = bindings.NodeFeatures_known();
+		if (ret < 1024) { return null; }
 		NodeFeatures ret_hu_conv = new NodeFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -80,6 +84,7 @@ public class NodeFeatures extends CommonBase {
 	 */
 	public static Result_NodeFeaturesDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.NodeFeatures_read(ser);
+		if (ret < 1024) { return null; }
 		Result_NodeFeaturesDecodeErrorZ ret_hu_conv = Result_NodeFeaturesDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/NodeInfo.java b/src/main/java/org/ldk/structs/NodeInfo.java
index 68a027a4..5bf3853e 100644
--- a/src/main/java/org/ldk/structs/NodeInfo.java
+++ b/src/main/java/org/ldk/structs/NodeInfo.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -29,9 +30,13 @@ public class NodeInfo extends CommonBase {
 	 * Lowest fees enabling routing via any of the enabled, known channels to a node.
 	 * The two fields (flat and proportional fee) are independent,
 	 * meaning they don't have to refer to the same channel.
+	 * 
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
+	@Nullable
 	public RoutingFees get_lowest_inbound_channel_fees() {
 		long ret = bindings.NodeInfo_get_lowest_inbound_channel_fees(this.ptr);
+		if (ret < 1024) { return null; }
 		RoutingFees ret_hu_conv = new RoutingFees(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -41,8 +46,10 @@ public class NodeInfo extends CommonBase {
 	 * Lowest fees enabling routing via any of the enabled, known channels to a node.
 	 * The two fields (flat and proportional fee) are independent,
 	 * meaning they don't have to refer to the same channel.
+	 * 
+	 * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public void set_lowest_inbound_channel_fees(RoutingFees val) {
+	public void set_lowest_inbound_channel_fees(@Nullable RoutingFees val) {
 		bindings.NodeInfo_set_lowest_inbound_channel_fees(this.ptr, val == null ? 0 : val.ptr & ~1);
 		this.ptrs_to.add(val);
 	}
@@ -51,9 +58,13 @@ public class NodeInfo extends CommonBase {
 	 * More information about a node from node_announcement.
 	 * Optional because we store a Node entry after learning about it from
 	 * a channel announcement, but before receiving a node announcement.
+	 * 
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
+	@Nullable
 	public NodeAnnouncementInfo get_announcement_info() {
 		long ret = bindings.NodeInfo_get_announcement_info(this.ptr);
+		if (ret < 1024) { return null; }
 		NodeAnnouncementInfo ret_hu_conv = new NodeAnnouncementInfo(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -63,8 +74,10 @@ public class NodeInfo extends CommonBase {
 	 * More information about a node from node_announcement.
 	 * Optional because we store a Node entry after learning about it from
 	 * a channel announcement, but before receiving a node announcement.
+	 * 
+	 * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public void set_announcement_info(NodeAnnouncementInfo val) {
+	public void set_announcement_info(@Nullable NodeAnnouncementInfo val) {
 		bindings.NodeInfo_set_announcement_info(this.ptr, val == null ? 0 : val.ptr & ~1);
 		this.ptrs_to.add(val);
 	}
@@ -74,6 +87,7 @@ public class NodeInfo extends CommonBase {
 	 */
 	public static NodeInfo of(long[] channels_arg, RoutingFees lowest_inbound_channel_fees_arg, NodeAnnouncementInfo announcement_info_arg) {
 		long ret = bindings.NodeInfo_new(channels_arg, lowest_inbound_channel_fees_arg == null ? 0 : lowest_inbound_channel_fees_arg.ptr & ~1, announcement_info_arg == null ? 0 : announcement_info_arg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		NodeInfo ret_hu_conv = new NodeInfo(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(lowest_inbound_channel_fees_arg);
@@ -86,6 +100,7 @@ public class NodeInfo extends CommonBase {
 	 */
 	public NodeInfo clone() {
 		long ret = bindings.NodeInfo_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		NodeInfo ret_hu_conv = new NodeInfo(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -104,6 +119,7 @@ public class NodeInfo extends CommonBase {
 	 */
 	public static Result_NodeInfoDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.NodeInfo_read(ser);
+		if (ret < 1024) { return null; }
 		Result_NodeInfoDecodeErrorZ ret_hu_conv = Result_NodeInfoDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/OpenChannel.java b/src/main/java/org/ldk/structs/OpenChannel.java
index f0e80eba..0475b023 100644
--- a/src/main/java/org/ldk/structs/OpenChannel.java
+++ b/src/main/java/org/ldk/structs/OpenChannel.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -293,6 +294,7 @@ public class OpenChannel extends CommonBase {
 	 */
 	public OpenChannel clone() {
 		long ret = bindings.OpenChannel_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		OpenChannel ret_hu_conv = new OpenChannel(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -311,6 +313,7 @@ public class OpenChannel extends CommonBase {
 	 */
 	public static Result_OpenChannelDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.OpenChannel_read(ser);
+		if (ret < 1024) { return null; }
 		Result_OpenChannelDecodeErrorZ ret_hu_conv = Result_OpenChannelDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Option_C2Tuple_usizeTransactionZZ.java b/src/main/java/org/ldk/structs/Option_C2Tuple_usizeTransactionZZ.java
index dc441bbc..0cb6c0a1 100644
--- a/src/main/java/org/ldk/structs/Option_C2Tuple_usizeTransactionZZ.java
+++ b/src/main/java/org/ldk/structs/Option_C2Tuple_usizeTransactionZZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -51,6 +52,7 @@ public class Option_C2Tuple_usizeTransactionZZ extends CommonBase {
 	 */
 	public static Option_C2Tuple_usizeTransactionZZ some(TwoTuple<Long, byte[]> o) {
 		long ret = bindings.COption_C2Tuple_usizeTransactionZZ_some(bindings.C2Tuple_usizeTransactionZ_new(o.a, o.b));
+		if (ret < 1024) { return null; }
 		Option_C2Tuple_usizeTransactionZZ ret_hu_conv = Option_C2Tuple_usizeTransactionZZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -61,6 +63,7 @@ public class Option_C2Tuple_usizeTransactionZZ extends CommonBase {
 	 */
 	public static Option_C2Tuple_usizeTransactionZZ none() {
 		long ret = bindings.COption_C2Tuple_usizeTransactionZZ_none();
+		if (ret < 1024) { return null; }
 		Option_C2Tuple_usizeTransactionZZ ret_hu_conv = Option_C2Tuple_usizeTransactionZZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -72,6 +75,7 @@ public class Option_C2Tuple_usizeTransactionZZ extends CommonBase {
 	 */
 	public Option_C2Tuple_usizeTransactionZZ clone() {
 		long ret = bindings.COption_C2Tuple_usizeTransactionZZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Option_C2Tuple_usizeTransactionZZ ret_hu_conv = Option_C2Tuple_usizeTransactionZZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/Option_u16Z.java b/src/main/java/org/ldk/structs/Option_u16Z.java
index 57a4c742..89aa6ad2 100644
--- a/src/main/java/org/ldk/structs/Option_u16Z.java
+++ b/src/main/java/org/ldk/structs/Option_u16Z.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -45,6 +46,7 @@ public class Option_u16Z extends CommonBase {
 	 */
 	public static Option_u16Z some(short o) {
 		long ret = bindings.COption_u16Z_some(o);
+		if (ret < 1024) { return null; }
 		Option_u16Z ret_hu_conv = Option_u16Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Option_u16Z extends CommonBase {
 	 */
 	public static Option_u16Z none() {
 		long ret = bindings.COption_u16Z_none();
+		if (ret < 1024) { return null; }
 		Option_u16Z ret_hu_conv = Option_u16Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Option_u16Z extends CommonBase {
 	 */
 	public Option_u16Z clone() {
 		long ret = bindings.COption_u16Z_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Option_u16Z ret_hu_conv = Option_u16Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/Option_u32Z.java b/src/main/java/org/ldk/structs/Option_u32Z.java
index 1b88a593..dd6d36ea 100644
--- a/src/main/java/org/ldk/structs/Option_u32Z.java
+++ b/src/main/java/org/ldk/structs/Option_u32Z.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -45,6 +46,7 @@ public class Option_u32Z extends CommonBase {
 	 */
 	public static Option_u32Z some(int o) {
 		long ret = bindings.COption_u32Z_some(o);
+		if (ret < 1024) { return null; }
 		Option_u32Z ret_hu_conv = Option_u32Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Option_u32Z extends CommonBase {
 	 */
 	public static Option_u32Z none() {
 		long ret = bindings.COption_u32Z_none();
+		if (ret < 1024) { return null; }
 		Option_u32Z ret_hu_conv = Option_u32Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Option_u32Z extends CommonBase {
 	 */
 	public Option_u32Z clone() {
 		long ret = bindings.COption_u32Z_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Option_u32Z ret_hu_conv = Option_u32Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/Option_u64Z.java b/src/main/java/org/ldk/structs/Option_u64Z.java
index 59e8b595..f05c62d6 100644
--- a/src/main/java/org/ldk/structs/Option_u64Z.java
+++ b/src/main/java/org/ldk/structs/Option_u64Z.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -45,6 +46,7 @@ public class Option_u64Z extends CommonBase {
 	 */
 	public static Option_u64Z some(long o) {
 		long ret = bindings.COption_u64Z_some(o);
+		if (ret < 1024) { return null; }
 		Option_u64Z ret_hu_conv = Option_u64Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Option_u64Z extends CommonBase {
 	 */
 	public static Option_u64Z none() {
 		long ret = bindings.COption_u64Z_none();
+		if (ret < 1024) { return null; }
 		Option_u64Z ret_hu_conv = Option_u64Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Option_u64Z extends CommonBase {
 	 */
 	public Option_u64Z clone() {
 		long ret = bindings.COption_u64Z_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Option_u64Z ret_hu_conv = Option_u64Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/OutPoint.java b/src/main/java/org/ldk/structs/OutPoint.java
index a44b61e2..0a8ba429 100644
--- a/src/main/java/org/ldk/structs/OutPoint.java
+++ b/src/main/java/org/ldk/structs/OutPoint.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -56,6 +57,7 @@ public class OutPoint extends CommonBase {
 	 */
 	public static OutPoint of(byte[] txid_arg, short index_arg) {
 		long ret = bindings.OutPoint_new(txid_arg, index_arg);
+		if (ret < 1024) { return null; }
 		OutPoint ret_hu_conv = new OutPoint(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -66,6 +68,7 @@ public class OutPoint extends CommonBase {
 	 */
 	public OutPoint clone() {
 		long ret = bindings.OutPoint_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		OutPoint ret_hu_conv = new OutPoint(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -111,6 +114,7 @@ public class OutPoint extends CommonBase {
 	 */
 	public static Result_OutPointDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.OutPoint_read(ser);
+		if (ret < 1024) { return null; }
 		Result_OutPointDecodeErrorZ ret_hu_conv = Result_OutPointDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/PayeePubKey.java b/src/main/java/org/ldk/structs/PayeePubKey.java
index 9437f0f7..efe6a6a7 100644
--- a/src/main/java/org/ldk/structs/PayeePubKey.java
+++ b/src/main/java/org/ldk/structs/PayeePubKey.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -34,6 +35,7 @@ public class PayeePubKey extends CommonBase {
 	 */
 	public PayeePubKey clone() {
 		long ret = bindings.PayeePubKey_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		PayeePubKey ret_hu_conv = new PayeePubKey(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/PaymentSendFailure.java b/src/main/java/org/ldk/structs/PaymentSendFailure.java
index 4e9bb149..c9963b58 100644
--- a/src/main/java/org/ldk/structs/PaymentSendFailure.java
+++ b/src/main/java/org/ldk/structs/PaymentSendFailure.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -94,9 +95,57 @@ public class PaymentSendFailure extends CommonBase {
 	 */
 	public PaymentSendFailure clone() {
 		long ret = bindings.PaymentSendFailure_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		PaymentSendFailure ret_hu_conv = PaymentSendFailure.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Utility method to constructs a new ParameterError-variant PaymentSendFailure
+	 */
+	public static PaymentSendFailure parameter_error(APIError a) {
+		long ret = bindings.PaymentSendFailure_parameter_error(a.ptr);
+		if (ret < 1024) { return null; }
+		PaymentSendFailure ret_hu_conv = PaymentSendFailure.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new PathParameterError-variant PaymentSendFailure
+	 */
+	public static PaymentSendFailure path_parameter_error(Result_NoneAPIErrorZ[] a) {
+		long ret = bindings.PaymentSendFailure_path_parameter_error(a != null ? Arrays.stream(a).mapToLong(a_conv_22 -> a_conv_22 != null ? a_conv_22.ptr : 0).toArray() : null);
+		if (ret < 1024) { return null; }
+		PaymentSendFailure ret_hu_conv = PaymentSendFailure.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		/* TODO 2 Result_NoneAPIErrorZ  */;
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new AllFailedRetrySafe-variant PaymentSendFailure
+	 */
+	public static PaymentSendFailure all_failed_retry_safe(APIError[] a) {
+		long ret = bindings.PaymentSendFailure_all_failed_retry_safe(a != null ? Arrays.stream(a).mapToLong(a_conv_10 -> a_conv_10.ptr).toArray() : null);
+		if (ret < 1024) { return null; }
+		PaymentSendFailure ret_hu_conv = PaymentSendFailure.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		/* TODO 2 APIError  */;
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new PartialFailure-variant PaymentSendFailure
+	 */
+	public static PaymentSendFailure partial_failure(Result_NoneAPIErrorZ[] a) {
+		long ret = bindings.PaymentSendFailure_partial_failure(a != null ? Arrays.stream(a).mapToLong(a_conv_22 -> a_conv_22 != null ? a_conv_22.ptr : 0).toArray() : null);
+		if (ret < 1024) { return null; }
+		PaymentSendFailure ret_hu_conv = PaymentSendFailure.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		/* TODO 2 Result_NoneAPIErrorZ  */;
+		return ret_hu_conv;
+	}
+
 }
diff --git a/src/main/java/org/ldk/structs/PeerHandleError.java b/src/main/java/org/ldk/structs/PeerHandleError.java
index 37e984ad..1814e943 100644
--- a/src/main/java/org/ldk/structs/PeerHandleError.java
+++ b/src/main/java/org/ldk/structs/PeerHandleError.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -42,6 +43,7 @@ public class PeerHandleError extends CommonBase {
 	 */
 	public static PeerHandleError of(boolean no_connection_possible_arg) {
 		long ret = bindings.PeerHandleError_new(no_connection_possible_arg);
+		if (ret < 1024) { return null; }
 		PeerHandleError ret_hu_conv = new PeerHandleError(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -52,6 +54,7 @@ public class PeerHandleError extends CommonBase {
 	 */
 	public PeerHandleError clone() {
 		long ret = bindings.PeerHandleError_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		PeerHandleError ret_hu_conv = new PeerHandleError(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/PeerManager.java b/src/main/java/org/ldk/structs/PeerManager.java
index 3903b56b..c78e85e7 100644
--- a/src/main/java/org/ldk/structs/PeerManager.java
+++ b/src/main/java/org/ldk/structs/PeerManager.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -43,6 +44,7 @@ public class PeerManager extends CommonBase {
 	 */
 	public static PeerManager of(ChannelMessageHandler message_handler_chan_handler_arg, RoutingMessageHandler message_handler_route_handler_arg, byte[] our_node_secret, byte[] ephemeral_random_data, Logger logger) {
 		long ret = bindings.PeerManager_new(bindings.MessageHandler_new(message_handler_chan_handler_arg == null ? 0 : message_handler_chan_handler_arg.ptr, message_handler_route_handler_arg == null ? 0 : message_handler_route_handler_arg.ptr), our_node_secret, ephemeral_random_data, logger == null ? 0 : logger.ptr);
+		if (ret < 1024) { return null; }
 		PeerManager ret_hu_conv = new PeerManager(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(message_handler_chan_handler_arg);
@@ -77,6 +79,7 @@ public class PeerManager extends CommonBase {
 	 */
 	public Result_CVec_u8ZPeerHandleErrorZ new_outbound_connection(byte[] their_node_id, SocketDescriptor descriptor) {
 		long ret = bindings.PeerManager_new_outbound_connection(this.ptr, their_node_id, descriptor == null ? 0 : descriptor.ptr);
+		if (ret < 1024) { return null; }
 		Result_CVec_u8ZPeerHandleErrorZ ret_hu_conv = Result_CVec_u8ZPeerHandleErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(descriptor);
 		return ret_hu_conv;
@@ -97,6 +100,7 @@ public class PeerManager extends CommonBase {
 	 */
 	public Result_NonePeerHandleErrorZ new_inbound_connection(SocketDescriptor descriptor) {
 		long ret = bindings.PeerManager_new_inbound_connection(this.ptr, descriptor == null ? 0 : descriptor.ptr);
+		if (ret < 1024) { return null; }
 		Result_NonePeerHandleErrorZ ret_hu_conv = Result_NonePeerHandleErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(descriptor);
 		return ret_hu_conv;
@@ -118,6 +122,7 @@ public class PeerManager extends CommonBase {
 	 */
 	public Result_NonePeerHandleErrorZ write_buffer_space_avail(SocketDescriptor descriptor) {
 		long ret = bindings.PeerManager_write_buffer_space_avail(this.ptr, descriptor == null ? 0 : descriptor.ptr);
+		if (ret < 1024) { return null; }
 		Result_NonePeerHandleErrorZ ret_hu_conv = Result_NonePeerHandleErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(descriptor);
 		return ret_hu_conv;
@@ -141,6 +146,7 @@ public class PeerManager extends CommonBase {
 	 */
 	public Result_boolPeerHandleErrorZ read_event(SocketDescriptor peer_descriptor, byte[] data) {
 		long ret = bindings.PeerManager_read_event(this.ptr, peer_descriptor == null ? 0 : peer_descriptor.ptr, data);
+		if (ret < 1024) { return null; }
 		Result_boolPeerHandleErrorZ ret_hu_conv = Result_boolPeerHandleErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(peer_descriptor);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/Persist.java b/src/main/java/org/ldk/structs/Persist.java
index ef36c425..57e74066 100644
--- a/src/main/java/org/ldk/structs/Persist.java
+++ b/src/main/java/org/ldk/structs/Persist.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 /**
  * `Persist` defines behavior for persisting channel monitors: this could mean
@@ -106,6 +107,7 @@ public class Persist extends CommonBase {
 	 */
 	public Result_NoneChannelMonitorUpdateErrZ persist_new_channel(OutPoint id, ChannelMonitor data) {
 		long ret = bindings.Persist_persist_new_channel(this.ptr, id == null ? 0 : id.ptr & ~1, data == null ? 0 : data.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NoneChannelMonitorUpdateErrZ ret_hu_conv = Result_NoneChannelMonitorUpdateErrZ.constr_from_ptr(ret);
 		this.ptrs_to.add(id);
 		this.ptrs_to.add(data);
@@ -138,6 +140,7 @@ public class Persist extends CommonBase {
 	 */
 	public Result_NoneChannelMonitorUpdateErrZ update_persisted_channel(OutPoint id, ChannelMonitorUpdate update, ChannelMonitor data) {
 		long ret = bindings.Persist_update_persisted_channel(this.ptr, id == null ? 0 : id.ptr & ~1, update == null ? 0 : update.ptr & ~1, data == null ? 0 : data.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NoneChannelMonitorUpdateErrZ ret_hu_conv = Result_NoneChannelMonitorUpdateErrZ.constr_from_ptr(ret);
 		this.ptrs_to.add(id);
 		this.ptrs_to.add(update);
diff --git a/src/main/java/org/ldk/structs/Ping.java b/src/main/java/org/ldk/structs/Ping.java
index d893cf3a..20fd5519 100644
--- a/src/main/java/org/ldk/structs/Ping.java
+++ b/src/main/java/org/ldk/structs/Ping.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -55,6 +56,7 @@ public class Ping extends CommonBase {
 	 */
 	public static Ping of(short ponglen_arg, short byteslen_arg) {
 		long ret = bindings.Ping_new(ponglen_arg, byteslen_arg);
+		if (ret < 1024) { return null; }
 		Ping ret_hu_conv = new Ping(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -65,6 +67,7 @@ public class Ping extends CommonBase {
 	 */
 	public Ping clone() {
 		long ret = bindings.Ping_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Ping ret_hu_conv = new Ping(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -83,6 +86,7 @@ public class Ping extends CommonBase {
 	 */
 	public static Result_PingDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.Ping_read(ser);
+		if (ret < 1024) { return null; }
 		Result_PingDecodeErrorZ ret_hu_conv = Result_PingDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Pong.java b/src/main/java/org/ldk/structs/Pong.java
index f95040f8..908c064b 100644
--- a/src/main/java/org/ldk/structs/Pong.java
+++ b/src/main/java/org/ldk/structs/Pong.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -40,6 +41,7 @@ public class Pong extends CommonBase {
 	 */
 	public static Pong of(short byteslen_arg) {
 		long ret = bindings.Pong_new(byteslen_arg);
+		if (ret < 1024) { return null; }
 		Pong ret_hu_conv = new Pong(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -50,6 +52,7 @@ public class Pong extends CommonBase {
 	 */
 	public Pong clone() {
 		long ret = bindings.Pong_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Pong ret_hu_conv = new Pong(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -68,6 +71,7 @@ public class Pong extends CommonBase {
 	 */
 	public static Result_PongDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.Pong_read(ser);
+		if (ret < 1024) { return null; }
 		Result_PongDecodeErrorZ ret_hu_conv = Result_PongDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/PositiveTimestamp.java b/src/main/java/org/ldk/structs/PositiveTimestamp.java
index 2a5af091..fea0ba86 100644
--- a/src/main/java/org/ldk/structs/PositiveTimestamp.java
+++ b/src/main/java/org/ldk/structs/PositiveTimestamp.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -39,6 +40,7 @@ public class PositiveTimestamp extends CommonBase {
 	 */
 	public PositiveTimestamp clone() {
 		long ret = bindings.PositiveTimestamp_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		PositiveTimestamp ret_hu_conv = new PositiveTimestamp(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -51,6 +53,7 @@ public class PositiveTimestamp extends CommonBase {
 	 */
 	public static Result_PositiveTimestampCreationErrorZ from_unix_timestamp(long unix_seconds) {
 		long ret = bindings.PositiveTimestamp_from_unix_timestamp(unix_seconds);
+		if (ret < 1024) { return null; }
 		Result_PositiveTimestampCreationErrorZ ret_hu_conv = Result_PositiveTimestampCreationErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -62,6 +65,7 @@ public class PositiveTimestamp extends CommonBase {
 	 */
 	public static Result_PositiveTimestampCreationErrorZ from_system_time(long time) {
 		long ret = bindings.PositiveTimestamp_from_system_time(time);
+		if (ret < 1024) { return null; }
 		Result_PositiveTimestampCreationErrorZ ret_hu_conv = Result_PositiveTimestampCreationErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/PrivateRoute.java b/src/main/java/org/ldk/structs/PrivateRoute.java
index 74c1bbb9..be446f1b 100644
--- a/src/main/java/org/ldk/structs/PrivateRoute.java
+++ b/src/main/java/org/ldk/structs/PrivateRoute.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -37,6 +38,7 @@ public class PrivateRoute extends CommonBase {
 	 */
 	public PrivateRoute clone() {
 		long ret = bindings.PrivateRoute_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		PrivateRoute ret_hu_conv = new PrivateRoute(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -47,6 +49,7 @@ public class PrivateRoute extends CommonBase {
 	 */
 	public static Result_PrivateRouteCreationErrorZ of(RouteHint hops) {
 		long ret = bindings.PrivateRoute_new(hops == null ? 0 : hops.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_PrivateRouteCreationErrorZ ret_hu_conv = Result_PrivateRouteCreationErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(hops);
 		return ret_hu_conv;
@@ -57,6 +60,7 @@ public class PrivateRoute extends CommonBase {
 	 */
 	public RouteHint into_inner() {
 		long ret = bindings.PrivateRoute_into_inner(this.ptr);
+		if (ret < 1024) { return null; }
 		RouteHint ret_hu_conv = new RouteHint(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		this.ptrs_to.add(this);
diff --git a/src/main/java/org/ldk/structs/QueryChannelRange.java b/src/main/java/org/ldk/structs/QueryChannelRange.java
index 0392ad3b..6be4e4ed 100644
--- a/src/main/java/org/ldk/structs/QueryChannelRange.java
+++ b/src/main/java/org/ldk/structs/QueryChannelRange.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -71,6 +72,7 @@ public class QueryChannelRange extends CommonBase {
 	 */
 	public static QueryChannelRange of(byte[] chain_hash_arg, int first_blocknum_arg, int number_of_blocks_arg) {
 		long ret = bindings.QueryChannelRange_new(chain_hash_arg, first_blocknum_arg, number_of_blocks_arg);
+		if (ret < 1024) { return null; }
 		QueryChannelRange ret_hu_conv = new QueryChannelRange(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -81,6 +83,7 @@ public class QueryChannelRange extends CommonBase {
 	 */
 	public QueryChannelRange clone() {
 		long ret = bindings.QueryChannelRange_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		QueryChannelRange ret_hu_conv = new QueryChannelRange(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -99,6 +102,7 @@ public class QueryChannelRange extends CommonBase {
 	 */
 	public static Result_QueryChannelRangeDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.QueryChannelRange_read(ser);
+		if (ret < 1024) { return null; }
 		Result_QueryChannelRangeDecodeErrorZ ret_hu_conv = Result_QueryChannelRangeDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/QueryShortChannelIds.java b/src/main/java/org/ldk/structs/QueryShortChannelIds.java
index e5123b64..ee23d753 100644
--- a/src/main/java/org/ldk/structs/QueryShortChannelIds.java
+++ b/src/main/java/org/ldk/structs/QueryShortChannelIds.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -52,6 +53,7 @@ public class QueryShortChannelIds extends CommonBase {
 	 */
 	public static QueryShortChannelIds of(byte[] chain_hash_arg, long[] short_channel_ids_arg) {
 		long ret = bindings.QueryShortChannelIds_new(chain_hash_arg, short_channel_ids_arg);
+		if (ret < 1024) { return null; }
 		QueryShortChannelIds ret_hu_conv = new QueryShortChannelIds(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -62,6 +64,7 @@ public class QueryShortChannelIds extends CommonBase {
 	 */
 	public QueryShortChannelIds clone() {
 		long ret = bindings.QueryShortChannelIds_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		QueryShortChannelIds ret_hu_conv = new QueryShortChannelIds(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -72,6 +75,7 @@ public class QueryShortChannelIds extends CommonBase {
 	 */
 	public static Result_QueryShortChannelIdsDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.QueryShortChannelIds_read(ser);
+		if (ret < 1024) { return null; }
 		Result_QueryShortChannelIdsDecodeErrorZ ret_hu_conv = Result_QueryShortChannelIdsDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/RawDataPart.java b/src/main/java/org/ldk/structs/RawDataPart.java
index c76d4dc9..637e344d 100644
--- a/src/main/java/org/ldk/structs/RawDataPart.java
+++ b/src/main/java/org/ldk/structs/RawDataPart.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -23,6 +24,7 @@ public class RawDataPart extends CommonBase {
 	 */
 	public PositiveTimestamp get_timestamp() {
 		long ret = bindings.RawDataPart_get_timestamp(this.ptr);
+		if (ret < 1024) { return null; }
 		PositiveTimestamp ret_hu_conv = new PositiveTimestamp(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -52,6 +54,7 @@ public class RawDataPart extends CommonBase {
 	 */
 	public RawDataPart clone() {
 		long ret = bindings.RawDataPart_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		RawDataPart ret_hu_conv = new RawDataPart(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/RawInvoice.java b/src/main/java/org/ldk/structs/RawInvoice.java
index a63dc0b3..647bab9d 100644
--- a/src/main/java/org/ldk/structs/RawInvoice.java
+++ b/src/main/java/org/ldk/structs/RawInvoice.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -27,6 +28,7 @@ public class RawInvoice extends CommonBase {
 	 */
 	public RawDataPart get_data() {
 		long ret = bindings.RawInvoice_get_data(this.ptr);
+		if (ret < 1024) { return null; }
 		RawDataPart ret_hu_conv = new RawDataPart(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -56,6 +58,7 @@ public class RawInvoice extends CommonBase {
 	 */
 	public RawInvoice clone() {
 		long ret = bindings.RawInvoice_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		RawInvoice ret_hu_conv = new RawInvoice(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -69,55 +72,94 @@ public class RawInvoice extends CommonBase {
 		return ret;
 	}
 
+	/**
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
+	 */
+	@Nullable
 	public Sha256 payment_hash() {
 		long ret = bindings.RawInvoice_payment_hash(this.ptr);
+		if (ret < 1024) { return null; }
 		Sha256 ret_hu_conv = new Sha256(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
+	 */
+	@Nullable
 	public Description description() {
 		long ret = bindings.RawInvoice_description(this.ptr);
+		if (ret < 1024) { return null; }
 		Description ret_hu_conv = new Description(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
+	 */
+	@Nullable
 	public PayeePubKey payee_pub_key() {
 		long ret = bindings.RawInvoice_payee_pub_key(this.ptr);
+		if (ret < 1024) { return null; }
 		PayeePubKey ret_hu_conv = new PayeePubKey(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
+	 */
+	@Nullable
 	public Sha256 description_hash() {
 		long ret = bindings.RawInvoice_description_hash(this.ptr);
+		if (ret < 1024) { return null; }
 		Sha256 ret_hu_conv = new Sha256(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
+	 */
+	@Nullable
 	public ExpiryTime expiry_time() {
 		long ret = bindings.RawInvoice_expiry_time(this.ptr);
+		if (ret < 1024) { return null; }
 		ExpiryTime ret_hu_conv = new ExpiryTime(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
+	 */
+	@Nullable
 	public MinFinalCltvExpiry min_final_cltv_expiry() {
 		long ret = bindings.RawInvoice_min_final_cltv_expiry(this.ptr);
+		if (ret < 1024) { return null; }
 		MinFinalCltvExpiry ret_hu_conv = new MinFinalCltvExpiry(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
+	 */
+	@Nullable
 	public byte[] payment_secret() {
 		byte[] ret = bindings.RawInvoice_payment_secret(this.ptr);
 		return ret;
 	}
 
+	/**
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
+	 */
+	@Nullable
 	public InvoiceFeatures features() {
 		long ret = bindings.RawInvoice_features(this.ptr);
+		if (ret < 1024) { return null; }
 		InvoiceFeatures ret_hu_conv = new InvoiceFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -137,6 +179,7 @@ public class RawInvoice extends CommonBase {
 
 	public Option_u64Z amount_pico_btc() {
 		long ret = bindings.RawInvoice_amount_pico_btc(this.ptr);
+		if (ret < 1024) { return null; }
 		Option_u64Z ret_hu_conv = Option_u64Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/ReplyChannelRange.java b/src/main/java/org/ldk/structs/ReplyChannelRange.java
index b02a8587..3dbb6723 100644
--- a/src/main/java/org/ldk/structs/ReplyChannelRange.java
+++ b/src/main/java/org/ldk/structs/ReplyChannelRange.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -96,6 +97,7 @@ public class ReplyChannelRange extends CommonBase {
 	 */
 	public static ReplyChannelRange of(byte[] chain_hash_arg, int first_blocknum_arg, int number_of_blocks_arg, boolean sync_complete_arg, long[] short_channel_ids_arg) {
 		long ret = bindings.ReplyChannelRange_new(chain_hash_arg, first_blocknum_arg, number_of_blocks_arg, sync_complete_arg, short_channel_ids_arg);
+		if (ret < 1024) { return null; }
 		ReplyChannelRange ret_hu_conv = new ReplyChannelRange(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -106,6 +108,7 @@ public class ReplyChannelRange extends CommonBase {
 	 */
 	public ReplyChannelRange clone() {
 		long ret = bindings.ReplyChannelRange_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ReplyChannelRange ret_hu_conv = new ReplyChannelRange(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -116,6 +119,7 @@ public class ReplyChannelRange extends CommonBase {
 	 */
 	public static Result_ReplyChannelRangeDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.ReplyChannelRange_read(ser);
+		if (ret < 1024) { return null; }
 		Result_ReplyChannelRangeDecodeErrorZ ret_hu_conv = Result_ReplyChannelRangeDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/ReplyShortChannelIdsEnd.java b/src/main/java/org/ldk/structs/ReplyShortChannelIdsEnd.java
index eb34da2a..30edc977 100644
--- a/src/main/java/org/ldk/structs/ReplyShortChannelIdsEnd.java
+++ b/src/main/java/org/ldk/structs/ReplyShortChannelIdsEnd.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -58,6 +59,7 @@ public class ReplyShortChannelIdsEnd extends CommonBase {
 	 */
 	public static ReplyShortChannelIdsEnd of(byte[] chain_hash_arg, boolean full_information_arg) {
 		long ret = bindings.ReplyShortChannelIdsEnd_new(chain_hash_arg, full_information_arg);
+		if (ret < 1024) { return null; }
 		ReplyShortChannelIdsEnd ret_hu_conv = new ReplyShortChannelIdsEnd(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -68,6 +70,7 @@ public class ReplyShortChannelIdsEnd extends CommonBase {
 	 */
 	public ReplyShortChannelIdsEnd clone() {
 		long ret = bindings.ReplyShortChannelIdsEnd_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		ReplyShortChannelIdsEnd ret_hu_conv = new ReplyShortChannelIdsEnd(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -78,6 +81,7 @@ public class ReplyShortChannelIdsEnd extends CommonBase {
 	 */
 	public static Result_ReplyShortChannelIdsEndDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.ReplyShortChannelIdsEnd_read(ser);
+		if (ret < 1024) { return null; }
 		Result_ReplyShortChannelIdsEndDecodeErrorZ ret_hu_conv = Result_ReplyShortChannelIdsEndDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_AcceptChannelDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_AcceptChannelDecodeErrorZ.java
index 0606b503..8eee8135 100644
--- a/src/main/java/org/ldk/structs/Result_AcceptChannelDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_AcceptChannelDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_AcceptChannelDecodeErrorZ extends CommonBase {
 	private Result_AcceptChannelDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_AcceptChannelDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_AcceptChannelDecodeErrorZ ok(AcceptChannel o) {
 		long ret = bindings.CResult_AcceptChannelDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_AcceptChannelDecodeErrorZ ret_hu_conv = Result_AcceptChannelDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_AcceptChannelDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_AcceptChannelDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_AcceptChannelDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_AcceptChannelDecodeErrorZ ret_hu_conv = Result_AcceptChannelDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_AcceptChannelDecodeErrorZ extends CommonBase {
 	 */
 	public Result_AcceptChannelDecodeErrorZ clone() {
 		long ret = bindings.CResult_AcceptChannelDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_AcceptChannelDecodeErrorZ ret_hu_conv = Result_AcceptChannelDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_AnnouncementSignaturesDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_AnnouncementSignaturesDecodeErrorZ.java
index 1b747988..2f6c4e86 100644
--- a/src/main/java/org/ldk/structs/Result_AnnouncementSignaturesDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_AnnouncementSignaturesDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_AnnouncementSignaturesDecodeErrorZ extends CommonBase {
 	private Result_AnnouncementSignaturesDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_AnnouncementSignaturesDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_AnnouncementSignaturesDecodeErrorZ ok(AnnouncementSignatures o) {
 		long ret = bindings.CResult_AnnouncementSignaturesDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_AnnouncementSignaturesDecodeErrorZ ret_hu_conv = Result_AnnouncementSignaturesDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_AnnouncementSignaturesDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_AnnouncementSignaturesDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_AnnouncementSignaturesDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_AnnouncementSignaturesDecodeErrorZ ret_hu_conv = Result_AnnouncementSignaturesDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_AnnouncementSignaturesDecodeErrorZ extends CommonBase {
 	 */
 	public Result_AnnouncementSignaturesDecodeErrorZ clone() {
 		long ret = bindings.CResult_AnnouncementSignaturesDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_AnnouncementSignaturesDecodeErrorZ ret_hu_conv = Result_AnnouncementSignaturesDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_BuiltCommitmentTransactionDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_BuiltCommitmentTransactionDecodeErrorZ.java
index 3fed27fa..ab99e6b2 100644
--- a/src/main/java/org/ldk/structs/Result_BuiltCommitmentTransactionDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_BuiltCommitmentTransactionDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_BuiltCommitmentTransactionDecodeErrorZ extends CommonBase {
 	private Result_BuiltCommitmentTransactionDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_BuiltCommitmentTransactionDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_BuiltCommitmentTransactionDecodeErrorZ ok(BuiltCommitmentTransaction o) {
 		long ret = bindings.CResult_BuiltCommitmentTransactionDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_BuiltCommitmentTransactionDecodeErrorZ ret_hu_conv = Result_BuiltCommitmentTransactionDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_BuiltCommitmentTransactionDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_BuiltCommitmentTransactionDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_BuiltCommitmentTransactionDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_BuiltCommitmentTransactionDecodeErrorZ ret_hu_conv = Result_BuiltCommitmentTransactionDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_BuiltCommitmentTransactionDecodeErrorZ extends CommonBase {
 	 */
 	public Result_BuiltCommitmentTransactionDecodeErrorZ clone() {
 		long ret = bindings.CResult_BuiltCommitmentTransactionDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_BuiltCommitmentTransactionDecodeErrorZ ret_hu_conv = Result_BuiltCommitmentTransactionDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.java
index 2ee985a5..fe4f2734 100644
--- a/src/main/java/org/ldk/structs/Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ extends CommonBase {
 	private Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -51,6 +52,7 @@ public class Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ extends CommonB
 	 */
 	public static Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ ok(TwoTuple<byte[], ChannelManager> o) {
 		long ret = bindings.CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_ok(bindings.C2Tuple_BlockHashChannelManagerZ_new(o.a, o.b == null ? 0 : o.b.ptr & ~1));
+		if (ret < 1024) { return null; }
 		Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ ret_hu_conv = Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o.b);
 		// Due to rust's strict-ownership memory model, in some cases we need to "move"
@@ -69,6 +71,7 @@ public class Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ extends CommonB
 	 */
 	public static Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ ret_hu_conv = Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.java
index c46d45be..8a7392f2 100644
--- a/src/main/java/org/ldk/structs/Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ extends CommonBase {
 	private Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -51,6 +52,7 @@ public class Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ extends CommonB
 	 */
 	public static Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ ok(TwoTuple<byte[], ChannelMonitor> o) {
 		long ret = bindings.CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_ok(bindings.C2Tuple_BlockHashChannelMonitorZ_new(o.a, o.b == null ? 0 : o.b.ptr & ~1));
+		if (ret < 1024) { return null; }
 		Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ ret_hu_conv = Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o.b);
 		return ret_hu_conv;
@@ -61,6 +63,7 @@ public class Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ extends CommonB
 	 */
 	public static Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ ret_hu_conv = Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/Result_C2Tuple_SignatureCVec_SignatureZZNoneZ.java b/src/main/java/org/ldk/structs/Result_C2Tuple_SignatureCVec_SignatureZZNoneZ.java
index 1840e40b..85fbf4eb 100644
--- a/src/main/java/org/ldk/structs/Result_C2Tuple_SignatureCVec_SignatureZZNoneZ.java
+++ b/src/main/java/org/ldk/structs/Result_C2Tuple_SignatureCVec_SignatureZZNoneZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_C2Tuple_SignatureCVec_SignatureZZNoneZ extends CommonBase {
 	private Result_C2Tuple_SignatureCVec_SignatureZZNoneZ(Object _dummy, long ptr) { super(ptr); }
@@ -43,6 +44,7 @@ public class Result_C2Tuple_SignatureCVec_SignatureZZNoneZ extends CommonBase {
 	 */
 	public static Result_C2Tuple_SignatureCVec_SignatureZZNoneZ ok(TwoTuple<byte[], byte[][]> o) {
 		long ret = bindings.CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_ok(bindings.C2Tuple_SignatureCVec_SignatureZZ_new(o.a, o.b));
+		if (ret < 1024) { return null; }
 		Result_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_hu_conv = Result_C2Tuple_SignatureCVec_SignatureZZNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -52,6 +54,7 @@ public class Result_C2Tuple_SignatureCVec_SignatureZZNoneZ extends CommonBase {
 	 */
 	public static Result_C2Tuple_SignatureCVec_SignatureZZNoneZ err() {
 		long ret = bindings.CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_err();
+		if (ret < 1024) { return null; }
 		Result_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_hu_conv = Result_C2Tuple_SignatureCVec_SignatureZZNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -62,6 +65,7 @@ public class Result_C2Tuple_SignatureCVec_SignatureZZNoneZ extends CommonBase {
 	 */
 	public Result_C2Tuple_SignatureCVec_SignatureZZNoneZ clone() {
 		long ret = bindings.CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_C2Tuple_SignatureCVec_SignatureZZNoneZ ret_hu_conv = Result_C2Tuple_SignatureCVec_SignatureZZNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_CResult_NetAddressu8ZDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_CResult_NetAddressu8ZDecodeErrorZ.java
index ff4cd359..c31c0299 100644
--- a/src/main/java/org/ldk/structs/Result_CResult_NetAddressu8ZDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_CResult_NetAddressu8ZDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_CResult_NetAddressu8ZDecodeErrorZ extends CommonBase {
 	private Result_CResult_NetAddressu8ZDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -44,6 +45,7 @@ public class Result_CResult_NetAddressu8ZDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_CResult_NetAddressu8ZDecodeErrorZ ok(Result_NetAddressu8Z o) {
 		long ret = bindings.CResult_CResult_NetAddressu8ZDecodeErrorZ_ok(o != null ? o.ptr : 0);
+		if (ret < 1024) { return null; }
 		Result_CResult_NetAddressu8ZDecodeErrorZ ret_hu_conv = Result_CResult_NetAddressu8ZDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -53,6 +55,7 @@ public class Result_CResult_NetAddressu8ZDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_CResult_NetAddressu8ZDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_CResult_NetAddressu8ZDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_CResult_NetAddressu8ZDecodeErrorZ ret_hu_conv = Result_CResult_NetAddressu8ZDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -64,6 +67,7 @@ public class Result_CResult_NetAddressu8ZDecodeErrorZ extends CommonBase {
 	 */
 	public Result_CResult_NetAddressu8ZDecodeErrorZ clone() {
 		long ret = bindings.CResult_CResult_NetAddressu8ZDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_CResult_NetAddressu8ZDecodeErrorZ ret_hu_conv = Result_CResult_NetAddressu8ZDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ.java b/src/main/java/org/ldk/structs/Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ.java
index a1a74e7c..d7a654d8 100644
--- a/src/main/java/org/ldk/structs/Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ extends CommonBase {
 	private Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -52,7 +53,8 @@ public class Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ extends CommonB
 	 * Creates a new CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ in the success state.
 	 */
 	public static Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ ok(TwoTuple<byte[], ChannelMonitor>[] o) {
-		long ret = bindings.CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_ok(Arrays.stream(o).mapToLong(o_conv_34 -> bindings.C2Tuple_BlockHashChannelMonitorZ_new(o_conv_34.a, o_conv_34.b == null ? 0 : o_conv_34.b.ptr & ~1)).toArray());
+		long ret = bindings.CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_ok(o != null ? Arrays.stream(o).mapToLong(o_conv_34 -> bindings.C2Tuple_BlockHashChannelMonitorZ_new(o_conv_34.a, o_conv_34.b == null ? 0 : o_conv_34.b.ptr & ~1)).toArray() : null);
+		if (ret < 1024) { return null; }
 		Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ ret_hu_conv = Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ.constr_from_ptr(ret);
 		/* TODO 2 TwoTuple<byte[], ChannelMonitor>  */;
 		return ret_hu_conv;
@@ -61,8 +63,9 @@ public class Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ extends CommonB
 	/**
 	 * Creates a new CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ in the error state.
 	 */
-	public static Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ err(IOError e) {
+	public static Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ err(org.ldk.enums.IOError e) {
 		long ret = bindings.CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_err(e);
+		if (ret < 1024) { return null; }
 		Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ ret_hu_conv = Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_CVec_CVec_u8ZZNoneZ.java b/src/main/java/org/ldk/structs/Result_CVec_CVec_u8ZZNoneZ.java
index 21c109e9..c027e41b 100644
--- a/src/main/java/org/ldk/structs/Result_CVec_CVec_u8ZZNoneZ.java
+++ b/src/main/java/org/ldk/structs/Result_CVec_CVec_u8ZZNoneZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_CVec_CVec_u8ZZNoneZ extends CommonBase {
 	private Result_CVec_CVec_u8ZZNoneZ(Object _dummy, long ptr) { super(ptr); }
@@ -37,6 +38,7 @@ public class Result_CVec_CVec_u8ZZNoneZ extends CommonBase {
 	 */
 	public static Result_CVec_CVec_u8ZZNoneZ ok(byte[][] o) {
 		long ret = bindings.CResult_CVec_CVec_u8ZZNoneZ_ok(o);
+		if (ret < 1024) { return null; }
 		Result_CVec_CVec_u8ZZNoneZ ret_hu_conv = Result_CVec_CVec_u8ZZNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -46,6 +48,7 @@ public class Result_CVec_CVec_u8ZZNoneZ extends CommonBase {
 	 */
 	public static Result_CVec_CVec_u8ZZNoneZ err() {
 		long ret = bindings.CResult_CVec_CVec_u8ZZNoneZ_err();
+		if (ret < 1024) { return null; }
 		Result_CVec_CVec_u8ZZNoneZ ret_hu_conv = Result_CVec_CVec_u8ZZNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -56,6 +59,7 @@ public class Result_CVec_CVec_u8ZZNoneZ extends CommonBase {
 	 */
 	public Result_CVec_CVec_u8ZZNoneZ clone() {
 		long ret = bindings.CResult_CVec_CVec_u8ZZNoneZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_CVec_CVec_u8ZZNoneZ ret_hu_conv = Result_CVec_CVec_u8ZZNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_CVec_SignatureZNoneZ.java b/src/main/java/org/ldk/structs/Result_CVec_SignatureZNoneZ.java
index 8cdf986d..5aaba99a 100644
--- a/src/main/java/org/ldk/structs/Result_CVec_SignatureZNoneZ.java
+++ b/src/main/java/org/ldk/structs/Result_CVec_SignatureZNoneZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_CVec_SignatureZNoneZ extends CommonBase {
 	private Result_CVec_SignatureZNoneZ(Object _dummy, long ptr) { super(ptr); }
@@ -37,6 +38,7 @@ public class Result_CVec_SignatureZNoneZ extends CommonBase {
 	 */
 	public static Result_CVec_SignatureZNoneZ ok(byte[][] o) {
 		long ret = bindings.CResult_CVec_SignatureZNoneZ_ok(o);
+		if (ret < 1024) { return null; }
 		Result_CVec_SignatureZNoneZ ret_hu_conv = Result_CVec_SignatureZNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -46,6 +48,7 @@ public class Result_CVec_SignatureZNoneZ extends CommonBase {
 	 */
 	public static Result_CVec_SignatureZNoneZ err() {
 		long ret = bindings.CResult_CVec_SignatureZNoneZ_err();
+		if (ret < 1024) { return null; }
 		Result_CVec_SignatureZNoneZ ret_hu_conv = Result_CVec_SignatureZNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -56,6 +59,7 @@ public class Result_CVec_SignatureZNoneZ extends CommonBase {
 	 */
 	public Result_CVec_SignatureZNoneZ clone() {
 		long ret = bindings.CResult_CVec_SignatureZNoneZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_CVec_SignatureZNoneZ ret_hu_conv = Result_CVec_SignatureZNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_CVec_u8ZPeerHandleErrorZ.java b/src/main/java/org/ldk/structs/Result_CVec_u8ZPeerHandleErrorZ.java
index 7a393992..aa397e5b 100644
--- a/src/main/java/org/ldk/structs/Result_CVec_u8ZPeerHandleErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_CVec_u8ZPeerHandleErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_CVec_u8ZPeerHandleErrorZ extends CommonBase {
 	private Result_CVec_u8ZPeerHandleErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -42,6 +43,7 @@ public class Result_CVec_u8ZPeerHandleErrorZ extends CommonBase {
 	 */
 	public static Result_CVec_u8ZPeerHandleErrorZ ok(byte[] o) {
 		long ret = bindings.CResult_CVec_u8ZPeerHandleErrorZ_ok(o);
+		if (ret < 1024) { return null; }
 		Result_CVec_u8ZPeerHandleErrorZ ret_hu_conv = Result_CVec_u8ZPeerHandleErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -51,6 +53,7 @@ public class Result_CVec_u8ZPeerHandleErrorZ extends CommonBase {
 	 */
 	public static Result_CVec_u8ZPeerHandleErrorZ err(PeerHandleError e) {
 		long ret = bindings.CResult_CVec_u8ZPeerHandleErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_CVec_u8ZPeerHandleErrorZ ret_hu_conv = Result_CVec_u8ZPeerHandleErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -62,6 +65,7 @@ public class Result_CVec_u8ZPeerHandleErrorZ extends CommonBase {
 	 */
 	public Result_CVec_u8ZPeerHandleErrorZ clone() {
 		long ret = bindings.CResult_CVec_u8ZPeerHandleErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_CVec_u8ZPeerHandleErrorZ ret_hu_conv = Result_CVec_u8ZPeerHandleErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_ChannelAnnouncementDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_ChannelAnnouncementDecodeErrorZ.java
index 5121b6db..3bceb81b 100644
--- a/src/main/java/org/ldk/structs/Result_ChannelAnnouncementDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_ChannelAnnouncementDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_ChannelAnnouncementDecodeErrorZ extends CommonBase {
 	private Result_ChannelAnnouncementDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_ChannelAnnouncementDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ChannelAnnouncementDecodeErrorZ ok(ChannelAnnouncement o) {
 		long ret = bindings.CResult_ChannelAnnouncementDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ChannelAnnouncementDecodeErrorZ ret_hu_conv = Result_ChannelAnnouncementDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_ChannelAnnouncementDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ChannelAnnouncementDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_ChannelAnnouncementDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ChannelAnnouncementDecodeErrorZ ret_hu_conv = Result_ChannelAnnouncementDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_ChannelAnnouncementDecodeErrorZ extends CommonBase {
 	 */
 	public Result_ChannelAnnouncementDecodeErrorZ clone() {
 		long ret = bindings.CResult_ChannelAnnouncementDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_ChannelAnnouncementDecodeErrorZ ret_hu_conv = Result_ChannelAnnouncementDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_ChannelConfigDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_ChannelConfigDecodeErrorZ.java
index b5f2ee1f..ff5ec80e 100644
--- a/src/main/java/org/ldk/structs/Result_ChannelConfigDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_ChannelConfigDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_ChannelConfigDecodeErrorZ extends CommonBase {
 	private Result_ChannelConfigDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_ChannelConfigDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ChannelConfigDecodeErrorZ ok(ChannelConfig o) {
 		long ret = bindings.CResult_ChannelConfigDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ChannelConfigDecodeErrorZ ret_hu_conv = Result_ChannelConfigDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_ChannelConfigDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ChannelConfigDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_ChannelConfigDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ChannelConfigDecodeErrorZ ret_hu_conv = Result_ChannelConfigDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_ChannelConfigDecodeErrorZ extends CommonBase {
 	 */
 	public Result_ChannelConfigDecodeErrorZ clone() {
 		long ret = bindings.CResult_ChannelConfigDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_ChannelConfigDecodeErrorZ ret_hu_conv = Result_ChannelConfigDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_ChannelFeaturesDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_ChannelFeaturesDecodeErrorZ.java
index e78155d8..9efbca8b 100644
--- a/src/main/java/org/ldk/structs/Result_ChannelFeaturesDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_ChannelFeaturesDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_ChannelFeaturesDecodeErrorZ extends CommonBase {
 	private Result_ChannelFeaturesDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_ChannelFeaturesDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ChannelFeaturesDecodeErrorZ ok(ChannelFeatures o) {
 		long ret = bindings.CResult_ChannelFeaturesDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ChannelFeaturesDecodeErrorZ ret_hu_conv = Result_ChannelFeaturesDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_ChannelFeaturesDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ChannelFeaturesDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_ChannelFeaturesDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ChannelFeaturesDecodeErrorZ ret_hu_conv = Result_ChannelFeaturesDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/Result_ChannelInfoDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_ChannelInfoDecodeErrorZ.java
index f92708a2..0099acf5 100644
--- a/src/main/java/org/ldk/structs/Result_ChannelInfoDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_ChannelInfoDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_ChannelInfoDecodeErrorZ extends CommonBase {
 	private Result_ChannelInfoDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_ChannelInfoDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ChannelInfoDecodeErrorZ ok(ChannelInfo o) {
 		long ret = bindings.CResult_ChannelInfoDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ChannelInfoDecodeErrorZ ret_hu_conv = Result_ChannelInfoDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_ChannelInfoDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ChannelInfoDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_ChannelInfoDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ChannelInfoDecodeErrorZ ret_hu_conv = Result_ChannelInfoDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_ChannelInfoDecodeErrorZ extends CommonBase {
 	 */
 	public Result_ChannelInfoDecodeErrorZ clone() {
 		long ret = bindings.CResult_ChannelInfoDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_ChannelInfoDecodeErrorZ ret_hu_conv = Result_ChannelInfoDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_ChannelMonitorUpdateDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_ChannelMonitorUpdateDecodeErrorZ.java
index b38139f9..df5c335c 100644
--- a/src/main/java/org/ldk/structs/Result_ChannelMonitorUpdateDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_ChannelMonitorUpdateDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_ChannelMonitorUpdateDecodeErrorZ extends CommonBase {
 	private Result_ChannelMonitorUpdateDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_ChannelMonitorUpdateDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ChannelMonitorUpdateDecodeErrorZ ok(ChannelMonitorUpdate o) {
 		long ret = bindings.CResult_ChannelMonitorUpdateDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ChannelMonitorUpdateDecodeErrorZ ret_hu_conv = Result_ChannelMonitorUpdateDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_ChannelMonitorUpdateDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ChannelMonitorUpdateDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_ChannelMonitorUpdateDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ChannelMonitorUpdateDecodeErrorZ ret_hu_conv = Result_ChannelMonitorUpdateDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_ChannelMonitorUpdateDecodeErrorZ extends CommonBase {
 	 */
 	public Result_ChannelMonitorUpdateDecodeErrorZ clone() {
 		long ret = bindings.CResult_ChannelMonitorUpdateDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_ChannelMonitorUpdateDecodeErrorZ ret_hu_conv = Result_ChannelMonitorUpdateDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_ChannelPublicKeysDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_ChannelPublicKeysDecodeErrorZ.java
index 1cc29851..c56540a3 100644
--- a/src/main/java/org/ldk/structs/Result_ChannelPublicKeysDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_ChannelPublicKeysDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_ChannelPublicKeysDecodeErrorZ extends CommonBase {
 	private Result_ChannelPublicKeysDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_ChannelPublicKeysDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ChannelPublicKeysDecodeErrorZ ok(ChannelPublicKeys o) {
 		long ret = bindings.CResult_ChannelPublicKeysDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ChannelPublicKeysDecodeErrorZ ret_hu_conv = Result_ChannelPublicKeysDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_ChannelPublicKeysDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ChannelPublicKeysDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_ChannelPublicKeysDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ChannelPublicKeysDecodeErrorZ ret_hu_conv = Result_ChannelPublicKeysDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_ChannelPublicKeysDecodeErrorZ extends CommonBase {
 	 */
 	public Result_ChannelPublicKeysDecodeErrorZ clone() {
 		long ret = bindings.CResult_ChannelPublicKeysDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_ChannelPublicKeysDecodeErrorZ ret_hu_conv = Result_ChannelPublicKeysDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_ChannelReestablishDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_ChannelReestablishDecodeErrorZ.java
index 5ebd6f14..67b2468d 100644
--- a/src/main/java/org/ldk/structs/Result_ChannelReestablishDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_ChannelReestablishDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_ChannelReestablishDecodeErrorZ extends CommonBase {
 	private Result_ChannelReestablishDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_ChannelReestablishDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ChannelReestablishDecodeErrorZ ok(ChannelReestablish o) {
 		long ret = bindings.CResult_ChannelReestablishDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ChannelReestablishDecodeErrorZ ret_hu_conv = Result_ChannelReestablishDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_ChannelReestablishDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ChannelReestablishDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_ChannelReestablishDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ChannelReestablishDecodeErrorZ ret_hu_conv = Result_ChannelReestablishDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_ChannelReestablishDecodeErrorZ extends CommonBase {
 	 */
 	public Result_ChannelReestablishDecodeErrorZ clone() {
 		long ret = bindings.CResult_ChannelReestablishDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_ChannelReestablishDecodeErrorZ ret_hu_conv = Result_ChannelReestablishDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_ChannelTransactionParametersDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_ChannelTransactionParametersDecodeErrorZ.java
index fabf67b4..3e3cd57e 100644
--- a/src/main/java/org/ldk/structs/Result_ChannelTransactionParametersDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_ChannelTransactionParametersDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_ChannelTransactionParametersDecodeErrorZ extends CommonBase {
 	private Result_ChannelTransactionParametersDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_ChannelTransactionParametersDecodeErrorZ extends CommonBase
 	 */
 	public static Result_ChannelTransactionParametersDecodeErrorZ ok(ChannelTransactionParameters o) {
 		long ret = bindings.CResult_ChannelTransactionParametersDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ChannelTransactionParametersDecodeErrorZ ret_hu_conv = Result_ChannelTransactionParametersDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_ChannelTransactionParametersDecodeErrorZ extends CommonBase
 	 */
 	public static Result_ChannelTransactionParametersDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_ChannelTransactionParametersDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ChannelTransactionParametersDecodeErrorZ ret_hu_conv = Result_ChannelTransactionParametersDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_ChannelTransactionParametersDecodeErrorZ extends CommonBase
 	 */
 	public Result_ChannelTransactionParametersDecodeErrorZ clone() {
 		long ret = bindings.CResult_ChannelTransactionParametersDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_ChannelTransactionParametersDecodeErrorZ ret_hu_conv = Result_ChannelTransactionParametersDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_ChannelUpdateDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_ChannelUpdateDecodeErrorZ.java
index 532d6c6d..20907472 100644
--- a/src/main/java/org/ldk/structs/Result_ChannelUpdateDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_ChannelUpdateDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_ChannelUpdateDecodeErrorZ extends CommonBase {
 	private Result_ChannelUpdateDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_ChannelUpdateDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ChannelUpdateDecodeErrorZ ok(ChannelUpdate o) {
 		long ret = bindings.CResult_ChannelUpdateDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ChannelUpdateDecodeErrorZ ret_hu_conv = Result_ChannelUpdateDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_ChannelUpdateDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ChannelUpdateDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_ChannelUpdateDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ChannelUpdateDecodeErrorZ ret_hu_conv = Result_ChannelUpdateDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_ChannelUpdateDecodeErrorZ extends CommonBase {
 	 */
 	public Result_ChannelUpdateDecodeErrorZ clone() {
 		long ret = bindings.CResult_ChannelUpdateDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_ChannelUpdateDecodeErrorZ ret_hu_conv = Result_ChannelUpdateDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_ClosingSignedDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_ClosingSignedDecodeErrorZ.java
index 7a4262d9..a888b51f 100644
--- a/src/main/java/org/ldk/structs/Result_ClosingSignedDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_ClosingSignedDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_ClosingSignedDecodeErrorZ extends CommonBase {
 	private Result_ClosingSignedDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_ClosingSignedDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ClosingSignedDecodeErrorZ ok(ClosingSigned o) {
 		long ret = bindings.CResult_ClosingSignedDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ClosingSignedDecodeErrorZ ret_hu_conv = Result_ClosingSignedDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_ClosingSignedDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ClosingSignedDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_ClosingSignedDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ClosingSignedDecodeErrorZ ret_hu_conv = Result_ClosingSignedDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_ClosingSignedDecodeErrorZ extends CommonBase {
 	 */
 	public Result_ClosingSignedDecodeErrorZ clone() {
 		long ret = bindings.CResult_ClosingSignedDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_ClosingSignedDecodeErrorZ ret_hu_conv = Result_ClosingSignedDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_CommitmentSignedDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_CommitmentSignedDecodeErrorZ.java
index 32452b31..744b3ab2 100644
--- a/src/main/java/org/ldk/structs/Result_CommitmentSignedDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_CommitmentSignedDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_CommitmentSignedDecodeErrorZ extends CommonBase {
 	private Result_CommitmentSignedDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_CommitmentSignedDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_CommitmentSignedDecodeErrorZ ok(CommitmentSigned o) {
 		long ret = bindings.CResult_CommitmentSignedDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_CommitmentSignedDecodeErrorZ ret_hu_conv = Result_CommitmentSignedDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_CommitmentSignedDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_CommitmentSignedDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_CommitmentSignedDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_CommitmentSignedDecodeErrorZ ret_hu_conv = Result_CommitmentSignedDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_CommitmentSignedDecodeErrorZ extends CommonBase {
 	 */
 	public Result_CommitmentSignedDecodeErrorZ clone() {
 		long ret = bindings.CResult_CommitmentSignedDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_CommitmentSignedDecodeErrorZ ret_hu_conv = Result_CommitmentSignedDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_CommitmentTransactionDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_CommitmentTransactionDecodeErrorZ.java
index 19118833..d7b913df 100644
--- a/src/main/java/org/ldk/structs/Result_CommitmentTransactionDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_CommitmentTransactionDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_CommitmentTransactionDecodeErrorZ extends CommonBase {
 	private Result_CommitmentTransactionDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_CommitmentTransactionDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_CommitmentTransactionDecodeErrorZ ok(CommitmentTransaction o) {
 		long ret = bindings.CResult_CommitmentTransactionDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_CommitmentTransactionDecodeErrorZ ret_hu_conv = Result_CommitmentTransactionDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_CommitmentTransactionDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_CommitmentTransactionDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_CommitmentTransactionDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_CommitmentTransactionDecodeErrorZ ret_hu_conv = Result_CommitmentTransactionDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_CommitmentTransactionDecodeErrorZ extends CommonBase {
 	 */
 	public Result_CommitmentTransactionDecodeErrorZ clone() {
 		long ret = bindings.CResult_CommitmentTransactionDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_CommitmentTransactionDecodeErrorZ ret_hu_conv = Result_CommitmentTransactionDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_CounterpartyChannelTransactionParametersDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_CounterpartyChannelTransactionParametersDecodeErrorZ.java
index fdb5d93f..b556510a 100644
--- a/src/main/java/org/ldk/structs/Result_CounterpartyChannelTransactionParametersDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_CounterpartyChannelTransactionParametersDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_CounterpartyChannelTransactionParametersDecodeErrorZ extends CommonBase {
 	private Result_CounterpartyChannelTransactionParametersDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_CounterpartyChannelTransactionParametersDecodeErrorZ extends
 	 */
 	public static Result_CounterpartyChannelTransactionParametersDecodeErrorZ ok(CounterpartyChannelTransactionParameters o) {
 		long ret = bindings.CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_CounterpartyChannelTransactionParametersDecodeErrorZ ret_hu_conv = Result_CounterpartyChannelTransactionParametersDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_CounterpartyChannelTransactionParametersDecodeErrorZ extends
 	 */
 	public static Result_CounterpartyChannelTransactionParametersDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_CounterpartyChannelTransactionParametersDecodeErrorZ ret_hu_conv = Result_CounterpartyChannelTransactionParametersDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_CounterpartyChannelTransactionParametersDecodeErrorZ extends
 	 */
 	public Result_CounterpartyChannelTransactionParametersDecodeErrorZ clone() {
 		long ret = bindings.CResult_CounterpartyChannelTransactionParametersDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_CounterpartyChannelTransactionParametersDecodeErrorZ ret_hu_conv = Result_CounterpartyChannelTransactionParametersDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_DelayedPaymentOutputDescriptorDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_DelayedPaymentOutputDescriptorDecodeErrorZ.java
index 7cc68cb6..3f4791b2 100644
--- a/src/main/java/org/ldk/structs/Result_DelayedPaymentOutputDescriptorDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_DelayedPaymentOutputDescriptorDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_DelayedPaymentOutputDescriptorDecodeErrorZ extends CommonBase {
 	private Result_DelayedPaymentOutputDescriptorDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_DelayedPaymentOutputDescriptorDecodeErrorZ extends CommonBas
 	 */
 	public static Result_DelayedPaymentOutputDescriptorDecodeErrorZ ok(DelayedPaymentOutputDescriptor o) {
 		long ret = bindings.CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_DelayedPaymentOutputDescriptorDecodeErrorZ ret_hu_conv = Result_DelayedPaymentOutputDescriptorDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_DelayedPaymentOutputDescriptorDecodeErrorZ extends CommonBas
 	 */
 	public static Result_DelayedPaymentOutputDescriptorDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_DelayedPaymentOutputDescriptorDecodeErrorZ ret_hu_conv = Result_DelayedPaymentOutputDescriptorDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_DelayedPaymentOutputDescriptorDecodeErrorZ extends CommonBas
 	 */
 	public Result_DelayedPaymentOutputDescriptorDecodeErrorZ clone() {
 		long ret = bindings.CResult_DelayedPaymentOutputDescriptorDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_DelayedPaymentOutputDescriptorDecodeErrorZ ret_hu_conv = Result_DelayedPaymentOutputDescriptorDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_DescriptionCreationErrorZ.java b/src/main/java/org/ldk/structs/Result_DescriptionCreationErrorZ.java
index 476b8d7a..28558ed9 100644
--- a/src/main/java/org/ldk/structs/Result_DescriptionCreationErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_DescriptionCreationErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_DescriptionCreationErrorZ extends CommonBase {
 	private Result_DescriptionCreationErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -42,6 +43,7 @@ public class Result_DescriptionCreationErrorZ extends CommonBase {
 	 */
 	public static Result_DescriptionCreationErrorZ ok(Description o) {
 		long ret = bindings.CResult_DescriptionCreationErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_DescriptionCreationErrorZ ret_hu_conv = Result_DescriptionCreationErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -50,8 +52,9 @@ public class Result_DescriptionCreationErrorZ extends CommonBase {
 	/**
 	 * Creates a new CResult_DescriptionCreationErrorZ in the error state.
 	 */
-	public static Result_DescriptionCreationErrorZ err(CreationError e) {
+	public static Result_DescriptionCreationErrorZ err(org.ldk.enums.CreationError e) {
 		long ret = bindings.CResult_DescriptionCreationErrorZ_err(e);
+		if (ret < 1024) { return null; }
 		Result_DescriptionCreationErrorZ ret_hu_conv = Result_DescriptionCreationErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -62,6 +65,7 @@ public class Result_DescriptionCreationErrorZ extends CommonBase {
 	 */
 	public Result_DescriptionCreationErrorZ clone() {
 		long ret = bindings.CResult_DescriptionCreationErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_DescriptionCreationErrorZ ret_hu_conv = Result_DescriptionCreationErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_DirectionalChannelInfoDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_DirectionalChannelInfoDecodeErrorZ.java
index 49972e5e..9d2d0a47 100644
--- a/src/main/java/org/ldk/structs/Result_DirectionalChannelInfoDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_DirectionalChannelInfoDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_DirectionalChannelInfoDecodeErrorZ extends CommonBase {
 	private Result_DirectionalChannelInfoDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_DirectionalChannelInfoDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_DirectionalChannelInfoDecodeErrorZ ok(DirectionalChannelInfo o) {
 		long ret = bindings.CResult_DirectionalChannelInfoDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_DirectionalChannelInfoDecodeErrorZ ret_hu_conv = Result_DirectionalChannelInfoDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_DirectionalChannelInfoDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_DirectionalChannelInfoDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_DirectionalChannelInfoDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_DirectionalChannelInfoDecodeErrorZ ret_hu_conv = Result_DirectionalChannelInfoDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_DirectionalChannelInfoDecodeErrorZ extends CommonBase {
 	 */
 	public Result_DirectionalChannelInfoDecodeErrorZ clone() {
 		long ret = bindings.CResult_DirectionalChannelInfoDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_DirectionalChannelInfoDecodeErrorZ ret_hu_conv = Result_DirectionalChannelInfoDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_ErrorMessageDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_ErrorMessageDecodeErrorZ.java
index 0faea6e7..cf297086 100644
--- a/src/main/java/org/ldk/structs/Result_ErrorMessageDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_ErrorMessageDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_ErrorMessageDecodeErrorZ extends CommonBase {
 	private Result_ErrorMessageDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_ErrorMessageDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ErrorMessageDecodeErrorZ ok(ErrorMessage o) {
 		long ret = bindings.CResult_ErrorMessageDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ErrorMessageDecodeErrorZ ret_hu_conv = Result_ErrorMessageDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_ErrorMessageDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ErrorMessageDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_ErrorMessageDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ErrorMessageDecodeErrorZ ret_hu_conv = Result_ErrorMessageDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_ErrorMessageDecodeErrorZ extends CommonBase {
 	 */
 	public Result_ErrorMessageDecodeErrorZ clone() {
 		long ret = bindings.CResult_ErrorMessageDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_ErrorMessageDecodeErrorZ ret_hu_conv = Result_ErrorMessageDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_ExpiryTimeCreationErrorZ.java b/src/main/java/org/ldk/structs/Result_ExpiryTimeCreationErrorZ.java
index 03540b91..3e431670 100644
--- a/src/main/java/org/ldk/structs/Result_ExpiryTimeCreationErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_ExpiryTimeCreationErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_ExpiryTimeCreationErrorZ extends CommonBase {
 	private Result_ExpiryTimeCreationErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -42,6 +43,7 @@ public class Result_ExpiryTimeCreationErrorZ extends CommonBase {
 	 */
 	public static Result_ExpiryTimeCreationErrorZ ok(ExpiryTime o) {
 		long ret = bindings.CResult_ExpiryTimeCreationErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ExpiryTimeCreationErrorZ ret_hu_conv = Result_ExpiryTimeCreationErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -50,8 +52,9 @@ public class Result_ExpiryTimeCreationErrorZ extends CommonBase {
 	/**
 	 * Creates a new CResult_ExpiryTimeCreationErrorZ in the error state.
 	 */
-	public static Result_ExpiryTimeCreationErrorZ err(CreationError e) {
+	public static Result_ExpiryTimeCreationErrorZ err(org.ldk.enums.CreationError e) {
 		long ret = bindings.CResult_ExpiryTimeCreationErrorZ_err(e);
+		if (ret < 1024) { return null; }
 		Result_ExpiryTimeCreationErrorZ ret_hu_conv = Result_ExpiryTimeCreationErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -62,6 +65,7 @@ public class Result_ExpiryTimeCreationErrorZ extends CommonBase {
 	 */
 	public Result_ExpiryTimeCreationErrorZ clone() {
 		long ret = bindings.CResult_ExpiryTimeCreationErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_ExpiryTimeCreationErrorZ ret_hu_conv = Result_ExpiryTimeCreationErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_FundingCreatedDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_FundingCreatedDecodeErrorZ.java
index f2b34220..c53184f3 100644
--- a/src/main/java/org/ldk/structs/Result_FundingCreatedDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_FundingCreatedDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_FundingCreatedDecodeErrorZ extends CommonBase {
 	private Result_FundingCreatedDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_FundingCreatedDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_FundingCreatedDecodeErrorZ ok(FundingCreated o) {
 		long ret = bindings.CResult_FundingCreatedDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_FundingCreatedDecodeErrorZ ret_hu_conv = Result_FundingCreatedDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_FundingCreatedDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_FundingCreatedDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_FundingCreatedDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_FundingCreatedDecodeErrorZ ret_hu_conv = Result_FundingCreatedDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_FundingCreatedDecodeErrorZ extends CommonBase {
 	 */
 	public Result_FundingCreatedDecodeErrorZ clone() {
 		long ret = bindings.CResult_FundingCreatedDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_FundingCreatedDecodeErrorZ ret_hu_conv = Result_FundingCreatedDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_FundingLockedDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_FundingLockedDecodeErrorZ.java
index 390fad32..9bc93de5 100644
--- a/src/main/java/org/ldk/structs/Result_FundingLockedDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_FundingLockedDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_FundingLockedDecodeErrorZ extends CommonBase {
 	private Result_FundingLockedDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_FundingLockedDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_FundingLockedDecodeErrorZ ok(FundingLocked o) {
 		long ret = bindings.CResult_FundingLockedDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_FundingLockedDecodeErrorZ ret_hu_conv = Result_FundingLockedDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_FundingLockedDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_FundingLockedDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_FundingLockedDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_FundingLockedDecodeErrorZ ret_hu_conv = Result_FundingLockedDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_FundingLockedDecodeErrorZ extends CommonBase {
 	 */
 	public Result_FundingLockedDecodeErrorZ clone() {
 		long ret = bindings.CResult_FundingLockedDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_FundingLockedDecodeErrorZ ret_hu_conv = Result_FundingLockedDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_FundingSignedDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_FundingSignedDecodeErrorZ.java
index fa305347..00f7838b 100644
--- a/src/main/java/org/ldk/structs/Result_FundingSignedDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_FundingSignedDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_FundingSignedDecodeErrorZ extends CommonBase {
 	private Result_FundingSignedDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_FundingSignedDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_FundingSignedDecodeErrorZ ok(FundingSigned o) {
 		long ret = bindings.CResult_FundingSignedDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_FundingSignedDecodeErrorZ ret_hu_conv = Result_FundingSignedDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_FundingSignedDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_FundingSignedDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_FundingSignedDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_FundingSignedDecodeErrorZ ret_hu_conv = Result_FundingSignedDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_FundingSignedDecodeErrorZ extends CommonBase {
 	 */
 	public Result_FundingSignedDecodeErrorZ clone() {
 		long ret = bindings.CResult_FundingSignedDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_FundingSignedDecodeErrorZ ret_hu_conv = Result_FundingSignedDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_GossipTimestampFilterDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_GossipTimestampFilterDecodeErrorZ.java
index 7ea14db7..39f28604 100644
--- a/src/main/java/org/ldk/structs/Result_GossipTimestampFilterDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_GossipTimestampFilterDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_GossipTimestampFilterDecodeErrorZ extends CommonBase {
 	private Result_GossipTimestampFilterDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_GossipTimestampFilterDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_GossipTimestampFilterDecodeErrorZ ok(GossipTimestampFilter o) {
 		long ret = bindings.CResult_GossipTimestampFilterDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_GossipTimestampFilterDecodeErrorZ ret_hu_conv = Result_GossipTimestampFilterDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_GossipTimestampFilterDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_GossipTimestampFilterDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_GossipTimestampFilterDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_GossipTimestampFilterDecodeErrorZ ret_hu_conv = Result_GossipTimestampFilterDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_GossipTimestampFilterDecodeErrorZ extends CommonBase {
 	 */
 	public Result_GossipTimestampFilterDecodeErrorZ clone() {
 		long ret = bindings.CResult_GossipTimestampFilterDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_GossipTimestampFilterDecodeErrorZ ret_hu_conv = Result_GossipTimestampFilterDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_HTLCOutputInCommitmentDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_HTLCOutputInCommitmentDecodeErrorZ.java
index 46c008a2..4e3a6e78 100644
--- a/src/main/java/org/ldk/structs/Result_HTLCOutputInCommitmentDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_HTLCOutputInCommitmentDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_HTLCOutputInCommitmentDecodeErrorZ extends CommonBase {
 	private Result_HTLCOutputInCommitmentDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_HTLCOutputInCommitmentDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_HTLCOutputInCommitmentDecodeErrorZ ok(HTLCOutputInCommitment o) {
 		long ret = bindings.CResult_HTLCOutputInCommitmentDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_HTLCOutputInCommitmentDecodeErrorZ ret_hu_conv = Result_HTLCOutputInCommitmentDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_HTLCOutputInCommitmentDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_HTLCOutputInCommitmentDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_HTLCOutputInCommitmentDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_HTLCOutputInCommitmentDecodeErrorZ ret_hu_conv = Result_HTLCOutputInCommitmentDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_HTLCOutputInCommitmentDecodeErrorZ extends CommonBase {
 	 */
 	public Result_HTLCOutputInCommitmentDecodeErrorZ clone() {
 		long ret = bindings.CResult_HTLCOutputInCommitmentDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_HTLCOutputInCommitmentDecodeErrorZ ret_hu_conv = Result_HTLCOutputInCommitmentDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_HTLCUpdateDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_HTLCUpdateDecodeErrorZ.java
index 1dfa8b79..2ed04163 100644
--- a/src/main/java/org/ldk/structs/Result_HTLCUpdateDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_HTLCUpdateDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_HTLCUpdateDecodeErrorZ extends CommonBase {
 	private Result_HTLCUpdateDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_HTLCUpdateDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_HTLCUpdateDecodeErrorZ ok(HTLCUpdate o) {
 		long ret = bindings.CResult_HTLCUpdateDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_HTLCUpdateDecodeErrorZ ret_hu_conv = Result_HTLCUpdateDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_HTLCUpdateDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_HTLCUpdateDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_HTLCUpdateDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_HTLCUpdateDecodeErrorZ ret_hu_conv = Result_HTLCUpdateDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_HTLCUpdateDecodeErrorZ extends CommonBase {
 	 */
 	public Result_HTLCUpdateDecodeErrorZ clone() {
 		long ret = bindings.CResult_HTLCUpdateDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_HTLCUpdateDecodeErrorZ ret_hu_conv = Result_HTLCUpdateDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_HolderCommitmentTransactionDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_HolderCommitmentTransactionDecodeErrorZ.java
index c02782e2..7d8f1a44 100644
--- a/src/main/java/org/ldk/structs/Result_HolderCommitmentTransactionDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_HolderCommitmentTransactionDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_HolderCommitmentTransactionDecodeErrorZ extends CommonBase {
 	private Result_HolderCommitmentTransactionDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_HolderCommitmentTransactionDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_HolderCommitmentTransactionDecodeErrorZ ok(HolderCommitmentTransaction o) {
 		long ret = bindings.CResult_HolderCommitmentTransactionDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_HolderCommitmentTransactionDecodeErrorZ ret_hu_conv = Result_HolderCommitmentTransactionDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_HolderCommitmentTransactionDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_HolderCommitmentTransactionDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_HolderCommitmentTransactionDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_HolderCommitmentTransactionDecodeErrorZ ret_hu_conv = Result_HolderCommitmentTransactionDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_HolderCommitmentTransactionDecodeErrorZ extends CommonBase {
 	 */
 	public Result_HolderCommitmentTransactionDecodeErrorZ clone() {
 		long ret = bindings.CResult_HolderCommitmentTransactionDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_HolderCommitmentTransactionDecodeErrorZ ret_hu_conv = Result_HolderCommitmentTransactionDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_InMemorySignerDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_InMemorySignerDecodeErrorZ.java
index 730a92d4..c08bc734 100644
--- a/src/main/java/org/ldk/structs/Result_InMemorySignerDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_InMemorySignerDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_InMemorySignerDecodeErrorZ extends CommonBase {
 	private Result_InMemorySignerDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_InMemorySignerDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_InMemorySignerDecodeErrorZ ok(InMemorySigner o) {
 		long ret = bindings.CResult_InMemorySignerDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_InMemorySignerDecodeErrorZ ret_hu_conv = Result_InMemorySignerDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_InMemorySignerDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_InMemorySignerDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_InMemorySignerDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_InMemorySignerDecodeErrorZ ret_hu_conv = Result_InMemorySignerDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_InMemorySignerDecodeErrorZ extends CommonBase {
 	 */
 	public Result_InMemorySignerDecodeErrorZ clone() {
 		long ret = bindings.CResult_InMemorySignerDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_InMemorySignerDecodeErrorZ ret_hu_conv = Result_InMemorySignerDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_InitDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_InitDecodeErrorZ.java
index 22e8cfef..e5d72ca3 100644
--- a/src/main/java/org/ldk/structs/Result_InitDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_InitDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_InitDecodeErrorZ extends CommonBase {
 	private Result_InitDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_InitDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_InitDecodeErrorZ ok(Init o) {
 		long ret = bindings.CResult_InitDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_InitDecodeErrorZ ret_hu_conv = Result_InitDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_InitDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_InitDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_InitDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_InitDecodeErrorZ ret_hu_conv = Result_InitDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_InitDecodeErrorZ extends CommonBase {
 	 */
 	public Result_InitDecodeErrorZ clone() {
 		long ret = bindings.CResult_InitDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_InitDecodeErrorZ ret_hu_conv = Result_InitDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_InitFeaturesDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_InitFeaturesDecodeErrorZ.java
index 49e16ec7..2b5842a8 100644
--- a/src/main/java/org/ldk/structs/Result_InitFeaturesDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_InitFeaturesDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_InitFeaturesDecodeErrorZ extends CommonBase {
 	private Result_InitFeaturesDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_InitFeaturesDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_InitFeaturesDecodeErrorZ ok(InitFeatures o) {
 		long ret = bindings.CResult_InitFeaturesDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_InitFeaturesDecodeErrorZ ret_hu_conv = Result_InitFeaturesDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_InitFeaturesDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_InitFeaturesDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_InitFeaturesDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_InitFeaturesDecodeErrorZ ret_hu_conv = Result_InitFeaturesDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/Result_InvoiceFeaturesDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_InvoiceFeaturesDecodeErrorZ.java
index 01af7fb3..2a16df93 100644
--- a/src/main/java/org/ldk/structs/Result_InvoiceFeaturesDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_InvoiceFeaturesDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_InvoiceFeaturesDecodeErrorZ extends CommonBase {
 	private Result_InvoiceFeaturesDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_InvoiceFeaturesDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_InvoiceFeaturesDecodeErrorZ ok(InvoiceFeatures o) {
 		long ret = bindings.CResult_InvoiceFeaturesDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_InvoiceFeaturesDecodeErrorZ ret_hu_conv = Result_InvoiceFeaturesDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_InvoiceFeaturesDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_InvoiceFeaturesDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_InvoiceFeaturesDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_InvoiceFeaturesDecodeErrorZ ret_hu_conv = Result_InvoiceFeaturesDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/Result_InvoiceNoneZ.java b/src/main/java/org/ldk/structs/Result_InvoiceNoneZ.java
index 0d4057e3..3e018b80 100644
--- a/src/main/java/org/ldk/structs/Result_InvoiceNoneZ.java
+++ b/src/main/java/org/ldk/structs/Result_InvoiceNoneZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_InvoiceNoneZ extends CommonBase {
 	private Result_InvoiceNoneZ(Object _dummy, long ptr) { super(ptr); }
@@ -40,6 +41,7 @@ public class Result_InvoiceNoneZ extends CommonBase {
 	 */
 	public static Result_InvoiceNoneZ ok(Invoice o) {
 		long ret = bindings.CResult_InvoiceNoneZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_InvoiceNoneZ ret_hu_conv = Result_InvoiceNoneZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -50,6 +52,7 @@ public class Result_InvoiceNoneZ extends CommonBase {
 	 */
 	public static Result_InvoiceNoneZ err() {
 		long ret = bindings.CResult_InvoiceNoneZ_err();
+		if (ret < 1024) { return null; }
 		Result_InvoiceNoneZ ret_hu_conv = Result_InvoiceNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -60,6 +63,7 @@ public class Result_InvoiceNoneZ extends CommonBase {
 	 */
 	public Result_InvoiceNoneZ clone() {
 		long ret = bindings.CResult_InvoiceNoneZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_InvoiceNoneZ ret_hu_conv = Result_InvoiceNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_InvoiceSemanticErrorZ.java b/src/main/java/org/ldk/structs/Result_InvoiceSemanticErrorZ.java
index fb15d5a8..edcc9e14 100644
--- a/src/main/java/org/ldk/structs/Result_InvoiceSemanticErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_InvoiceSemanticErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_InvoiceSemanticErrorZ extends CommonBase {
 	private Result_InvoiceSemanticErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -42,6 +43,7 @@ public class Result_InvoiceSemanticErrorZ extends CommonBase {
 	 */
 	public static Result_InvoiceSemanticErrorZ ok(Invoice o) {
 		long ret = bindings.CResult_InvoiceSemanticErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_InvoiceSemanticErrorZ ret_hu_conv = Result_InvoiceSemanticErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -50,8 +52,9 @@ public class Result_InvoiceSemanticErrorZ extends CommonBase {
 	/**
 	 * Creates a new CResult_InvoiceSemanticErrorZ in the error state.
 	 */
-	public static Result_InvoiceSemanticErrorZ err(SemanticError e) {
+	public static Result_InvoiceSemanticErrorZ err(org.ldk.enums.SemanticError e) {
 		long ret = bindings.CResult_InvoiceSemanticErrorZ_err(e);
+		if (ret < 1024) { return null; }
 		Result_InvoiceSemanticErrorZ ret_hu_conv = Result_InvoiceSemanticErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -62,6 +65,7 @@ public class Result_InvoiceSemanticErrorZ extends CommonBase {
 	 */
 	public Result_InvoiceSemanticErrorZ clone() {
 		long ret = bindings.CResult_InvoiceSemanticErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_InvoiceSemanticErrorZ ret_hu_conv = Result_InvoiceSemanticErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_InvoiceSignOrCreationErrorZ.java b/src/main/java/org/ldk/structs/Result_InvoiceSignOrCreationErrorZ.java
index bcd3dd20..6fe8356b 100644
--- a/src/main/java/org/ldk/structs/Result_InvoiceSignOrCreationErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_InvoiceSignOrCreationErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_InvoiceSignOrCreationErrorZ extends CommonBase {
 	private Result_InvoiceSignOrCreationErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_InvoiceSignOrCreationErrorZ extends CommonBase {
 	 */
 	public static Result_InvoiceSignOrCreationErrorZ ok(Invoice o) {
 		long ret = bindings.CResult_InvoiceSignOrCreationErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_InvoiceSignOrCreationErrorZ extends CommonBase {
 	 */
 	public static Result_InvoiceSignOrCreationErrorZ err(SignOrCreationError e) {
 		long ret = bindings.CResult_InvoiceSignOrCreationErrorZ_err(e.ptr);
+		if (ret < 1024) { return null; }
 		Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -65,6 +68,7 @@ public class Result_InvoiceSignOrCreationErrorZ extends CommonBase {
 	 */
 	public Result_InvoiceSignOrCreationErrorZ clone() {
 		long ret = bindings.CResult_InvoiceSignOrCreationErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_NetAddressDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_NetAddressDecodeErrorZ.java
index 92093a1d..608bff18 100644
--- a/src/main/java/org/ldk/structs/Result_NetAddressDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_NetAddressDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_NetAddressDecodeErrorZ extends CommonBase {
 	private Result_NetAddressDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_NetAddressDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_NetAddressDecodeErrorZ ok(NetAddress o) {
 		long ret = bindings.CResult_NetAddressDecodeErrorZ_ok(o.ptr);
+		if (ret < 1024) { return null; }
 		Result_NetAddressDecodeErrorZ ret_hu_conv = Result_NetAddressDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -54,6 +56,7 @@ public class Result_NetAddressDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_NetAddressDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_NetAddressDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NetAddressDecodeErrorZ ret_hu_conv = Result_NetAddressDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -65,6 +68,7 @@ public class Result_NetAddressDecodeErrorZ extends CommonBase {
 	 */
 	public Result_NetAddressDecodeErrorZ clone() {
 		long ret = bindings.CResult_NetAddressDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_NetAddressDecodeErrorZ ret_hu_conv = Result_NetAddressDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_NetAddressu8Z.java b/src/main/java/org/ldk/structs/Result_NetAddressu8Z.java
index d8f987ce..0cadc853 100644
--- a/src/main/java/org/ldk/structs/Result_NetAddressu8Z.java
+++ b/src/main/java/org/ldk/structs/Result_NetAddressu8Z.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_NetAddressu8Z extends CommonBase {
 	private Result_NetAddressu8Z(Object _dummy, long ptr) { super(ptr); }
@@ -42,6 +43,7 @@ public class Result_NetAddressu8Z extends CommonBase {
 	 */
 	public static Result_NetAddressu8Z ok(NetAddress o) {
 		long ret = bindings.CResult_NetAddressu8Z_ok(o.ptr);
+		if (ret < 1024) { return null; }
 		Result_NetAddressu8Z ret_hu_conv = Result_NetAddressu8Z.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -51,6 +53,7 @@ public class Result_NetAddressu8Z extends CommonBase {
 	 */
 	public static Result_NetAddressu8Z err(byte e) {
 		long ret = bindings.CResult_NetAddressu8Z_err(e);
+		if (ret < 1024) { return null; }
 		Result_NetAddressu8Z ret_hu_conv = Result_NetAddressu8Z.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -61,6 +64,7 @@ public class Result_NetAddressu8Z extends CommonBase {
 	 */
 	public Result_NetAddressu8Z clone() {
 		long ret = bindings.CResult_NetAddressu8Z_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_NetAddressu8Z ret_hu_conv = Result_NetAddressu8Z.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_NetworkGraphDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_NetworkGraphDecodeErrorZ.java
index 3f4bcf95..ee85fbc3 100644
--- a/src/main/java/org/ldk/structs/Result_NetworkGraphDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_NetworkGraphDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_NetworkGraphDecodeErrorZ extends CommonBase {
 	private Result_NetworkGraphDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_NetworkGraphDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_NetworkGraphDecodeErrorZ ok(NetworkGraph o) {
 		long ret = bindings.CResult_NetworkGraphDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NetworkGraphDecodeErrorZ ret_hu_conv = Result_NetworkGraphDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_NetworkGraphDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_NetworkGraphDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_NetworkGraphDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NetworkGraphDecodeErrorZ ret_hu_conv = Result_NetworkGraphDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_NetworkGraphDecodeErrorZ extends CommonBase {
 	 */
 	public Result_NetworkGraphDecodeErrorZ clone() {
 		long ret = bindings.CResult_NetworkGraphDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_NetworkGraphDecodeErrorZ ret_hu_conv = Result_NetworkGraphDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_NodeAnnouncementDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_NodeAnnouncementDecodeErrorZ.java
index f15357b0..3439d1ec 100644
--- a/src/main/java/org/ldk/structs/Result_NodeAnnouncementDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_NodeAnnouncementDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_NodeAnnouncementDecodeErrorZ extends CommonBase {
 	private Result_NodeAnnouncementDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_NodeAnnouncementDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_NodeAnnouncementDecodeErrorZ ok(NodeAnnouncement o) {
 		long ret = bindings.CResult_NodeAnnouncementDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NodeAnnouncementDecodeErrorZ ret_hu_conv = Result_NodeAnnouncementDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_NodeAnnouncementDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_NodeAnnouncementDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_NodeAnnouncementDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NodeAnnouncementDecodeErrorZ ret_hu_conv = Result_NodeAnnouncementDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_NodeAnnouncementDecodeErrorZ extends CommonBase {
 	 */
 	public Result_NodeAnnouncementDecodeErrorZ clone() {
 		long ret = bindings.CResult_NodeAnnouncementDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_NodeAnnouncementDecodeErrorZ ret_hu_conv = Result_NodeAnnouncementDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_NodeAnnouncementInfoDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_NodeAnnouncementInfoDecodeErrorZ.java
index f9765aee..fc9d2079 100644
--- a/src/main/java/org/ldk/structs/Result_NodeAnnouncementInfoDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_NodeAnnouncementInfoDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_NodeAnnouncementInfoDecodeErrorZ extends CommonBase {
 	private Result_NodeAnnouncementInfoDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_NodeAnnouncementInfoDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_NodeAnnouncementInfoDecodeErrorZ ok(NodeAnnouncementInfo o) {
 		long ret = bindings.CResult_NodeAnnouncementInfoDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NodeAnnouncementInfoDecodeErrorZ ret_hu_conv = Result_NodeAnnouncementInfoDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_NodeAnnouncementInfoDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_NodeAnnouncementInfoDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_NodeAnnouncementInfoDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NodeAnnouncementInfoDecodeErrorZ ret_hu_conv = Result_NodeAnnouncementInfoDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_NodeAnnouncementInfoDecodeErrorZ extends CommonBase {
 	 */
 	public Result_NodeAnnouncementInfoDecodeErrorZ clone() {
 		long ret = bindings.CResult_NodeAnnouncementInfoDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_NodeAnnouncementInfoDecodeErrorZ ret_hu_conv = Result_NodeAnnouncementInfoDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_NodeFeaturesDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_NodeFeaturesDecodeErrorZ.java
index 628c6f5f..907204c9 100644
--- a/src/main/java/org/ldk/structs/Result_NodeFeaturesDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_NodeFeaturesDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_NodeFeaturesDecodeErrorZ extends CommonBase {
 	private Result_NodeFeaturesDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_NodeFeaturesDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_NodeFeaturesDecodeErrorZ ok(NodeFeatures o) {
 		long ret = bindings.CResult_NodeFeaturesDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NodeFeaturesDecodeErrorZ ret_hu_conv = Result_NodeFeaturesDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_NodeFeaturesDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_NodeFeaturesDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_NodeFeaturesDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NodeFeaturesDecodeErrorZ ret_hu_conv = Result_NodeFeaturesDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/Result_NodeInfoDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_NodeInfoDecodeErrorZ.java
index a864a371..3d627f11 100644
--- a/src/main/java/org/ldk/structs/Result_NodeInfoDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_NodeInfoDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_NodeInfoDecodeErrorZ extends CommonBase {
 	private Result_NodeInfoDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_NodeInfoDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_NodeInfoDecodeErrorZ ok(NodeInfo o) {
 		long ret = bindings.CResult_NodeInfoDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NodeInfoDecodeErrorZ ret_hu_conv = Result_NodeInfoDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_NodeInfoDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_NodeInfoDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_NodeInfoDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NodeInfoDecodeErrorZ ret_hu_conv = Result_NodeInfoDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_NodeInfoDecodeErrorZ extends CommonBase {
 	 */
 	public Result_NodeInfoDecodeErrorZ clone() {
 		long ret = bindings.CResult_NodeInfoDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_NodeInfoDecodeErrorZ ret_hu_conv = Result_NodeInfoDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_NoneAPIErrorZ.java b/src/main/java/org/ldk/structs/Result_NoneAPIErrorZ.java
index 82ace246..38f33576 100644
--- a/src/main/java/org/ldk/structs/Result_NoneAPIErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_NoneAPIErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_NoneAPIErrorZ extends CommonBase {
 	private Result_NoneAPIErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -40,6 +41,7 @@ public class Result_NoneAPIErrorZ extends CommonBase {
 	 */
 	public static Result_NoneAPIErrorZ ok() {
 		long ret = bindings.CResult_NoneAPIErrorZ_ok();
+		if (ret < 1024) { return null; }
 		Result_NoneAPIErrorZ ret_hu_conv = Result_NoneAPIErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -49,6 +51,7 @@ public class Result_NoneAPIErrorZ extends CommonBase {
 	 */
 	public static Result_NoneAPIErrorZ err(APIError e) {
 		long ret = bindings.CResult_NoneAPIErrorZ_err(e.ptr);
+		if (ret < 1024) { return null; }
 		Result_NoneAPIErrorZ ret_hu_conv = Result_NoneAPIErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -59,6 +62,7 @@ public class Result_NoneAPIErrorZ extends CommonBase {
 	 */
 	public Result_NoneAPIErrorZ clone() {
 		long ret = bindings.CResult_NoneAPIErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_NoneAPIErrorZ ret_hu_conv = Result_NoneAPIErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_NoneChannelMonitorUpdateErrZ.java b/src/main/java/org/ldk/structs/Result_NoneChannelMonitorUpdateErrZ.java
index df21ffcd..579a8418 100644
--- a/src/main/java/org/ldk/structs/Result_NoneChannelMonitorUpdateErrZ.java
+++ b/src/main/java/org/ldk/structs/Result_NoneChannelMonitorUpdateErrZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_NoneChannelMonitorUpdateErrZ extends CommonBase {
 	private Result_NoneChannelMonitorUpdateErrZ(Object _dummy, long ptr) { super(ptr); }
@@ -37,6 +38,7 @@ public class Result_NoneChannelMonitorUpdateErrZ extends CommonBase {
 	 */
 	public static Result_NoneChannelMonitorUpdateErrZ ok() {
 		long ret = bindings.CResult_NoneChannelMonitorUpdateErrZ_ok();
+		if (ret < 1024) { return null; }
 		Result_NoneChannelMonitorUpdateErrZ ret_hu_conv = Result_NoneChannelMonitorUpdateErrZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -44,8 +46,9 @@ public class Result_NoneChannelMonitorUpdateErrZ extends CommonBase {
 	/**
 	 * Creates a new CResult_NoneChannelMonitorUpdateErrZ in the error state.
 	 */
-	public static Result_NoneChannelMonitorUpdateErrZ err(ChannelMonitorUpdateErr e) {
+	public static Result_NoneChannelMonitorUpdateErrZ err(org.ldk.enums.ChannelMonitorUpdateErr e) {
 		long ret = bindings.CResult_NoneChannelMonitorUpdateErrZ_err(e);
+		if (ret < 1024) { return null; }
 		Result_NoneChannelMonitorUpdateErrZ ret_hu_conv = Result_NoneChannelMonitorUpdateErrZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -56,6 +59,7 @@ public class Result_NoneChannelMonitorUpdateErrZ extends CommonBase {
 	 */
 	public Result_NoneChannelMonitorUpdateErrZ clone() {
 		long ret = bindings.CResult_NoneChannelMonitorUpdateErrZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_NoneChannelMonitorUpdateErrZ ret_hu_conv = Result_NoneChannelMonitorUpdateErrZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_NoneErrorZ.java b/src/main/java/org/ldk/structs/Result_NoneErrorZ.java
index 533d2e06..df8293e1 100644
--- a/src/main/java/org/ldk/structs/Result_NoneErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_NoneErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_NoneErrorZ extends CommonBase {
 	private Result_NoneErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -37,6 +38,7 @@ public class Result_NoneErrorZ extends CommonBase {
 	 */
 	public static Result_NoneErrorZ ok() {
 		long ret = bindings.CResult_NoneErrorZ_ok();
+		if (ret < 1024) { return null; }
 		Result_NoneErrorZ ret_hu_conv = Result_NoneErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -44,8 +46,9 @@ public class Result_NoneErrorZ extends CommonBase {
 	/**
 	 * Creates a new CResult_NoneErrorZ in the error state.
 	 */
-	public static Result_NoneErrorZ err(IOError e) {
+	public static Result_NoneErrorZ err(org.ldk.enums.IOError e) {
 		long ret = bindings.CResult_NoneErrorZ_err(e);
+		if (ret < 1024) { return null; }
 		Result_NoneErrorZ ret_hu_conv = Result_NoneErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -56,6 +59,7 @@ public class Result_NoneErrorZ extends CommonBase {
 	 */
 	public Result_NoneErrorZ clone() {
 		long ret = bindings.CResult_NoneErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_NoneErrorZ ret_hu_conv = Result_NoneErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_NoneLightningErrorZ.java b/src/main/java/org/ldk/structs/Result_NoneLightningErrorZ.java
index 57efa327..69ac5768 100644
--- a/src/main/java/org/ldk/structs/Result_NoneLightningErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_NoneLightningErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_NoneLightningErrorZ extends CommonBase {
 	private Result_NoneLightningErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -40,6 +41,7 @@ public class Result_NoneLightningErrorZ extends CommonBase {
 	 */
 	public static Result_NoneLightningErrorZ ok() {
 		long ret = bindings.CResult_NoneLightningErrorZ_ok();
+		if (ret < 1024) { return null; }
 		Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -49,6 +51,7 @@ public class Result_NoneLightningErrorZ extends CommonBase {
 	 */
 	public static Result_NoneLightningErrorZ err(LightningError e) {
 		long ret = bindings.CResult_NoneLightningErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -60,6 +63,7 @@ public class Result_NoneLightningErrorZ extends CommonBase {
 	 */
 	public Result_NoneLightningErrorZ clone() {
 		long ret = bindings.CResult_NoneLightningErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_NoneMonitorUpdateErrorZ.java b/src/main/java/org/ldk/structs/Result_NoneMonitorUpdateErrorZ.java
index ea7ded42..88cec61f 100644
--- a/src/main/java/org/ldk/structs/Result_NoneMonitorUpdateErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_NoneMonitorUpdateErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_NoneMonitorUpdateErrorZ extends CommonBase {
 	private Result_NoneMonitorUpdateErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -40,6 +41,7 @@ public class Result_NoneMonitorUpdateErrorZ extends CommonBase {
 	 */
 	public static Result_NoneMonitorUpdateErrorZ ok() {
 		long ret = bindings.CResult_NoneMonitorUpdateErrorZ_ok();
+		if (ret < 1024) { return null; }
 		Result_NoneMonitorUpdateErrorZ ret_hu_conv = Result_NoneMonitorUpdateErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -49,6 +51,7 @@ public class Result_NoneMonitorUpdateErrorZ extends CommonBase {
 	 */
 	public static Result_NoneMonitorUpdateErrorZ err(MonitorUpdateError e) {
 		long ret = bindings.CResult_NoneMonitorUpdateErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NoneMonitorUpdateErrorZ ret_hu_conv = Result_NoneMonitorUpdateErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -60,6 +63,7 @@ public class Result_NoneMonitorUpdateErrorZ extends CommonBase {
 	 */
 	public Result_NoneMonitorUpdateErrorZ clone() {
 		long ret = bindings.CResult_NoneMonitorUpdateErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_NoneMonitorUpdateErrorZ ret_hu_conv = Result_NoneMonitorUpdateErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_NonePaymentSendFailureZ.java b/src/main/java/org/ldk/structs/Result_NonePaymentSendFailureZ.java
index 977614dd..40ce3166 100644
--- a/src/main/java/org/ldk/structs/Result_NonePaymentSendFailureZ.java
+++ b/src/main/java/org/ldk/structs/Result_NonePaymentSendFailureZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_NonePaymentSendFailureZ extends CommonBase {
 	private Result_NonePaymentSendFailureZ(Object _dummy, long ptr) { super(ptr); }
@@ -40,6 +41,7 @@ public class Result_NonePaymentSendFailureZ extends CommonBase {
 	 */
 	public static Result_NonePaymentSendFailureZ ok() {
 		long ret = bindings.CResult_NonePaymentSendFailureZ_ok();
+		if (ret < 1024) { return null; }
 		Result_NonePaymentSendFailureZ ret_hu_conv = Result_NonePaymentSendFailureZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -49,6 +51,7 @@ public class Result_NonePaymentSendFailureZ extends CommonBase {
 	 */
 	public static Result_NonePaymentSendFailureZ err(PaymentSendFailure e) {
 		long ret = bindings.CResult_NonePaymentSendFailureZ_err(e.ptr);
+		if (ret < 1024) { return null; }
 		Result_NonePaymentSendFailureZ ret_hu_conv = Result_NonePaymentSendFailureZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -59,6 +62,7 @@ public class Result_NonePaymentSendFailureZ extends CommonBase {
 	 */
 	public Result_NonePaymentSendFailureZ clone() {
 		long ret = bindings.CResult_NonePaymentSendFailureZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_NonePaymentSendFailureZ ret_hu_conv = Result_NonePaymentSendFailureZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_NonePeerHandleErrorZ.java b/src/main/java/org/ldk/structs/Result_NonePeerHandleErrorZ.java
index 95f9c6a7..be711982 100644
--- a/src/main/java/org/ldk/structs/Result_NonePeerHandleErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_NonePeerHandleErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_NonePeerHandleErrorZ extends CommonBase {
 	private Result_NonePeerHandleErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -40,6 +41,7 @@ public class Result_NonePeerHandleErrorZ extends CommonBase {
 	 */
 	public static Result_NonePeerHandleErrorZ ok() {
 		long ret = bindings.CResult_NonePeerHandleErrorZ_ok();
+		if (ret < 1024) { return null; }
 		Result_NonePeerHandleErrorZ ret_hu_conv = Result_NonePeerHandleErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -49,6 +51,7 @@ public class Result_NonePeerHandleErrorZ extends CommonBase {
 	 */
 	public static Result_NonePeerHandleErrorZ err(PeerHandleError e) {
 		long ret = bindings.CResult_NonePeerHandleErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NonePeerHandleErrorZ ret_hu_conv = Result_NonePeerHandleErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -60,6 +63,7 @@ public class Result_NonePeerHandleErrorZ extends CommonBase {
 	 */
 	public Result_NonePeerHandleErrorZ clone() {
 		long ret = bindings.CResult_NonePeerHandleErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_NonePeerHandleErrorZ ret_hu_conv = Result_NonePeerHandleErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_NoneSemanticErrorZ.java b/src/main/java/org/ldk/structs/Result_NoneSemanticErrorZ.java
index 80f9537b..eaa13eb5 100644
--- a/src/main/java/org/ldk/structs/Result_NoneSemanticErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_NoneSemanticErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_NoneSemanticErrorZ extends CommonBase {
 	private Result_NoneSemanticErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -37,6 +38,7 @@ public class Result_NoneSemanticErrorZ extends CommonBase {
 	 */
 	public static Result_NoneSemanticErrorZ ok() {
 		long ret = bindings.CResult_NoneSemanticErrorZ_ok();
+		if (ret < 1024) { return null; }
 		Result_NoneSemanticErrorZ ret_hu_conv = Result_NoneSemanticErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -44,8 +46,9 @@ public class Result_NoneSemanticErrorZ extends CommonBase {
 	/**
 	 * Creates a new CResult_NoneSemanticErrorZ in the error state.
 	 */
-	public static Result_NoneSemanticErrorZ err(SemanticError e) {
+	public static Result_NoneSemanticErrorZ err(org.ldk.enums.SemanticError e) {
 		long ret = bindings.CResult_NoneSemanticErrorZ_err(e);
+		if (ret < 1024) { return null; }
 		Result_NoneSemanticErrorZ ret_hu_conv = Result_NoneSemanticErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -56,6 +59,7 @@ public class Result_NoneSemanticErrorZ extends CommonBase {
 	 */
 	public Result_NoneSemanticErrorZ clone() {
 		long ret = bindings.CResult_NoneSemanticErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_NoneSemanticErrorZ ret_hu_conv = Result_NoneSemanticErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_OpenChannelDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_OpenChannelDecodeErrorZ.java
index 149a15f0..02e8d1dc 100644
--- a/src/main/java/org/ldk/structs/Result_OpenChannelDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_OpenChannelDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_OpenChannelDecodeErrorZ extends CommonBase {
 	private Result_OpenChannelDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_OpenChannelDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_OpenChannelDecodeErrorZ ok(OpenChannel o) {
 		long ret = bindings.CResult_OpenChannelDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_OpenChannelDecodeErrorZ ret_hu_conv = Result_OpenChannelDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_OpenChannelDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_OpenChannelDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_OpenChannelDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_OpenChannelDecodeErrorZ ret_hu_conv = Result_OpenChannelDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_OpenChannelDecodeErrorZ extends CommonBase {
 	 */
 	public Result_OpenChannelDecodeErrorZ clone() {
 		long ret = bindings.CResult_OpenChannelDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_OpenChannelDecodeErrorZ ret_hu_conv = Result_OpenChannelDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_OutPointDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_OutPointDecodeErrorZ.java
index 4eb02c3b..45948abe 100644
--- a/src/main/java/org/ldk/structs/Result_OutPointDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_OutPointDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_OutPointDecodeErrorZ extends CommonBase {
 	private Result_OutPointDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_OutPointDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_OutPointDecodeErrorZ ok(OutPoint o) {
 		long ret = bindings.CResult_OutPointDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_OutPointDecodeErrorZ ret_hu_conv = Result_OutPointDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_OutPointDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_OutPointDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_OutPointDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_OutPointDecodeErrorZ ret_hu_conv = Result_OutPointDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_OutPointDecodeErrorZ extends CommonBase {
 	 */
 	public Result_OutPointDecodeErrorZ clone() {
 		long ret = bindings.CResult_OutPointDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_OutPointDecodeErrorZ ret_hu_conv = Result_OutPointDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_PayeePubKeyErrorZ.java b/src/main/java/org/ldk/structs/Result_PayeePubKeyErrorZ.java
index 3f4ef2f6..27924358 100644
--- a/src/main/java/org/ldk/structs/Result_PayeePubKeyErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_PayeePubKeyErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_PayeePubKeyErrorZ extends CommonBase {
 	private Result_PayeePubKeyErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -42,6 +43,7 @@ public class Result_PayeePubKeyErrorZ extends CommonBase {
 	 */
 	public static Result_PayeePubKeyErrorZ ok(PayeePubKey o) {
 		long ret = bindings.CResult_PayeePubKeyErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_PayeePubKeyErrorZ ret_hu_conv = Result_PayeePubKeyErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -50,8 +52,9 @@ public class Result_PayeePubKeyErrorZ extends CommonBase {
 	/**
 	 * Creates a new CResult_PayeePubKeyErrorZ in the error state.
 	 */
-	public static Result_PayeePubKeyErrorZ err(Secp256k1Error e) {
+	public static Result_PayeePubKeyErrorZ err(org.ldk.enums.Secp256k1Error e) {
 		long ret = bindings.CResult_PayeePubKeyErrorZ_err(e);
+		if (ret < 1024) { return null; }
 		Result_PayeePubKeyErrorZ ret_hu_conv = Result_PayeePubKeyErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -62,6 +65,7 @@ public class Result_PayeePubKeyErrorZ extends CommonBase {
 	 */
 	public Result_PayeePubKeyErrorZ clone() {
 		long ret = bindings.CResult_PayeePubKeyErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_PayeePubKeyErrorZ ret_hu_conv = Result_PayeePubKeyErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_PaymentSecretAPIErrorZ.java b/src/main/java/org/ldk/structs/Result_PaymentSecretAPIErrorZ.java
index ce489271..841755f9 100644
--- a/src/main/java/org/ldk/structs/Result_PaymentSecretAPIErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_PaymentSecretAPIErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_PaymentSecretAPIErrorZ extends CommonBase {
 	private Result_PaymentSecretAPIErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -42,6 +43,7 @@ public class Result_PaymentSecretAPIErrorZ extends CommonBase {
 	 */
 	public static Result_PaymentSecretAPIErrorZ ok(byte[] o) {
 		long ret = bindings.CResult_PaymentSecretAPIErrorZ_ok(o);
+		if (ret < 1024) { return null; }
 		Result_PaymentSecretAPIErrorZ ret_hu_conv = Result_PaymentSecretAPIErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -51,6 +53,7 @@ public class Result_PaymentSecretAPIErrorZ extends CommonBase {
 	 */
 	public static Result_PaymentSecretAPIErrorZ err(APIError e) {
 		long ret = bindings.CResult_PaymentSecretAPIErrorZ_err(e.ptr);
+		if (ret < 1024) { return null; }
 		Result_PaymentSecretAPIErrorZ ret_hu_conv = Result_PaymentSecretAPIErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -61,6 +64,7 @@ public class Result_PaymentSecretAPIErrorZ extends CommonBase {
 	 */
 	public Result_PaymentSecretAPIErrorZ clone() {
 		long ret = bindings.CResult_PaymentSecretAPIErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_PaymentSecretAPIErrorZ ret_hu_conv = Result_PaymentSecretAPIErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_PingDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_PingDecodeErrorZ.java
index 871d6a3a..5953cea2 100644
--- a/src/main/java/org/ldk/structs/Result_PingDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_PingDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_PingDecodeErrorZ extends CommonBase {
 	private Result_PingDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_PingDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_PingDecodeErrorZ ok(Ping o) {
 		long ret = bindings.CResult_PingDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_PingDecodeErrorZ ret_hu_conv = Result_PingDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_PingDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_PingDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_PingDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_PingDecodeErrorZ ret_hu_conv = Result_PingDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_PingDecodeErrorZ extends CommonBase {
 	 */
 	public Result_PingDecodeErrorZ clone() {
 		long ret = bindings.CResult_PingDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_PingDecodeErrorZ ret_hu_conv = Result_PingDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_PongDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_PongDecodeErrorZ.java
index ce60e19e..d18a1f6e 100644
--- a/src/main/java/org/ldk/structs/Result_PongDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_PongDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_PongDecodeErrorZ extends CommonBase {
 	private Result_PongDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_PongDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_PongDecodeErrorZ ok(Pong o) {
 		long ret = bindings.CResult_PongDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_PongDecodeErrorZ ret_hu_conv = Result_PongDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_PongDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_PongDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_PongDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_PongDecodeErrorZ ret_hu_conv = Result_PongDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_PongDecodeErrorZ extends CommonBase {
 	 */
 	public Result_PongDecodeErrorZ clone() {
 		long ret = bindings.CResult_PongDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_PongDecodeErrorZ ret_hu_conv = Result_PongDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_PositiveTimestampCreationErrorZ.java b/src/main/java/org/ldk/structs/Result_PositiveTimestampCreationErrorZ.java
index a0c935bb..994822c2 100644
--- a/src/main/java/org/ldk/structs/Result_PositiveTimestampCreationErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_PositiveTimestampCreationErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_PositiveTimestampCreationErrorZ extends CommonBase {
 	private Result_PositiveTimestampCreationErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -42,6 +43,7 @@ public class Result_PositiveTimestampCreationErrorZ extends CommonBase {
 	 */
 	public static Result_PositiveTimestampCreationErrorZ ok(PositiveTimestamp o) {
 		long ret = bindings.CResult_PositiveTimestampCreationErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_PositiveTimestampCreationErrorZ ret_hu_conv = Result_PositiveTimestampCreationErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -50,8 +52,9 @@ public class Result_PositiveTimestampCreationErrorZ extends CommonBase {
 	/**
 	 * Creates a new CResult_PositiveTimestampCreationErrorZ in the error state.
 	 */
-	public static Result_PositiveTimestampCreationErrorZ err(CreationError e) {
+	public static Result_PositiveTimestampCreationErrorZ err(org.ldk.enums.CreationError e) {
 		long ret = bindings.CResult_PositiveTimestampCreationErrorZ_err(e);
+		if (ret < 1024) { return null; }
 		Result_PositiveTimestampCreationErrorZ ret_hu_conv = Result_PositiveTimestampCreationErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -62,6 +65,7 @@ public class Result_PositiveTimestampCreationErrorZ extends CommonBase {
 	 */
 	public Result_PositiveTimestampCreationErrorZ clone() {
 		long ret = bindings.CResult_PositiveTimestampCreationErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_PositiveTimestampCreationErrorZ ret_hu_conv = Result_PositiveTimestampCreationErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_PrivateRouteCreationErrorZ.java b/src/main/java/org/ldk/structs/Result_PrivateRouteCreationErrorZ.java
index c6d50d9d..ea1d96de 100644
--- a/src/main/java/org/ldk/structs/Result_PrivateRouteCreationErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_PrivateRouteCreationErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_PrivateRouteCreationErrorZ extends CommonBase {
 	private Result_PrivateRouteCreationErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -42,6 +43,7 @@ public class Result_PrivateRouteCreationErrorZ extends CommonBase {
 	 */
 	public static Result_PrivateRouteCreationErrorZ ok(PrivateRoute o) {
 		long ret = bindings.CResult_PrivateRouteCreationErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_PrivateRouteCreationErrorZ ret_hu_conv = Result_PrivateRouteCreationErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -50,8 +52,9 @@ public class Result_PrivateRouteCreationErrorZ extends CommonBase {
 	/**
 	 * Creates a new CResult_PrivateRouteCreationErrorZ in the error state.
 	 */
-	public static Result_PrivateRouteCreationErrorZ err(CreationError e) {
+	public static Result_PrivateRouteCreationErrorZ err(org.ldk.enums.CreationError e) {
 		long ret = bindings.CResult_PrivateRouteCreationErrorZ_err(e);
+		if (ret < 1024) { return null; }
 		Result_PrivateRouteCreationErrorZ ret_hu_conv = Result_PrivateRouteCreationErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -62,6 +65,7 @@ public class Result_PrivateRouteCreationErrorZ extends CommonBase {
 	 */
 	public Result_PrivateRouteCreationErrorZ clone() {
 		long ret = bindings.CResult_PrivateRouteCreationErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_PrivateRouteCreationErrorZ ret_hu_conv = Result_PrivateRouteCreationErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_PublicKeyErrorZ.java b/src/main/java/org/ldk/structs/Result_PublicKeyErrorZ.java
index e633ee53..da9c9af6 100644
--- a/src/main/java/org/ldk/structs/Result_PublicKeyErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_PublicKeyErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_PublicKeyErrorZ extends CommonBase {
 	private Result_PublicKeyErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -39,6 +40,7 @@ public class Result_PublicKeyErrorZ extends CommonBase {
 	 */
 	public static Result_PublicKeyErrorZ ok(byte[] o) {
 		long ret = bindings.CResult_PublicKeyErrorZ_ok(o);
+		if (ret < 1024) { return null; }
 		Result_PublicKeyErrorZ ret_hu_conv = Result_PublicKeyErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -46,8 +48,9 @@ public class Result_PublicKeyErrorZ extends CommonBase {
 	/**
 	 * Creates a new CResult_PublicKeyErrorZ in the error state.
 	 */
-	public static Result_PublicKeyErrorZ err(Secp256k1Error e) {
+	public static Result_PublicKeyErrorZ err(org.ldk.enums.Secp256k1Error e) {
 		long ret = bindings.CResult_PublicKeyErrorZ_err(e);
+		if (ret < 1024) { return null; }
 		Result_PublicKeyErrorZ ret_hu_conv = Result_PublicKeyErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -58,6 +61,7 @@ public class Result_PublicKeyErrorZ extends CommonBase {
 	 */
 	public Result_PublicKeyErrorZ clone() {
 		long ret = bindings.CResult_PublicKeyErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_PublicKeyErrorZ ret_hu_conv = Result_PublicKeyErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_QueryChannelRangeDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_QueryChannelRangeDecodeErrorZ.java
index 802f94a9..8b7ea87d 100644
--- a/src/main/java/org/ldk/structs/Result_QueryChannelRangeDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_QueryChannelRangeDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_QueryChannelRangeDecodeErrorZ extends CommonBase {
 	private Result_QueryChannelRangeDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_QueryChannelRangeDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_QueryChannelRangeDecodeErrorZ ok(QueryChannelRange o) {
 		long ret = bindings.CResult_QueryChannelRangeDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_QueryChannelRangeDecodeErrorZ ret_hu_conv = Result_QueryChannelRangeDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_QueryChannelRangeDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_QueryChannelRangeDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_QueryChannelRangeDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_QueryChannelRangeDecodeErrorZ ret_hu_conv = Result_QueryChannelRangeDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_QueryChannelRangeDecodeErrorZ extends CommonBase {
 	 */
 	public Result_QueryChannelRangeDecodeErrorZ clone() {
 		long ret = bindings.CResult_QueryChannelRangeDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_QueryChannelRangeDecodeErrorZ ret_hu_conv = Result_QueryChannelRangeDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_QueryShortChannelIdsDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_QueryShortChannelIdsDecodeErrorZ.java
index 0cab2673..a203a8f0 100644
--- a/src/main/java/org/ldk/structs/Result_QueryShortChannelIdsDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_QueryShortChannelIdsDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_QueryShortChannelIdsDecodeErrorZ extends CommonBase {
 	private Result_QueryShortChannelIdsDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_QueryShortChannelIdsDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_QueryShortChannelIdsDecodeErrorZ ok(QueryShortChannelIds o) {
 		long ret = bindings.CResult_QueryShortChannelIdsDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_QueryShortChannelIdsDecodeErrorZ ret_hu_conv = Result_QueryShortChannelIdsDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_QueryShortChannelIdsDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_QueryShortChannelIdsDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_QueryShortChannelIdsDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_QueryShortChannelIdsDecodeErrorZ ret_hu_conv = Result_QueryShortChannelIdsDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_QueryShortChannelIdsDecodeErrorZ extends CommonBase {
 	 */
 	public Result_QueryShortChannelIdsDecodeErrorZ clone() {
 		long ret = bindings.CResult_QueryShortChannelIdsDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_QueryShortChannelIdsDecodeErrorZ ret_hu_conv = Result_QueryShortChannelIdsDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_RecoverableSignatureNoneZ.java b/src/main/java/org/ldk/structs/Result_RecoverableSignatureNoneZ.java
index ebe4c6ef..c9dc2026 100644
--- a/src/main/java/org/ldk/structs/Result_RecoverableSignatureNoneZ.java
+++ b/src/main/java/org/ldk/structs/Result_RecoverableSignatureNoneZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_RecoverableSignatureNoneZ extends CommonBase {
 	private Result_RecoverableSignatureNoneZ(Object _dummy, long ptr) { super(ptr); }
@@ -37,6 +38,7 @@ public class Result_RecoverableSignatureNoneZ extends CommonBase {
 	 */
 	public static Result_RecoverableSignatureNoneZ ok(byte[] arg) {
 		long ret = bindings.CResult_RecoverableSignatureNoneZ_ok(arg);
+		if (ret < 1024) { return null; }
 		Result_RecoverableSignatureNoneZ ret_hu_conv = Result_RecoverableSignatureNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -46,6 +48,7 @@ public class Result_RecoverableSignatureNoneZ extends CommonBase {
 	 */
 	public static Result_RecoverableSignatureNoneZ err() {
 		long ret = bindings.CResult_RecoverableSignatureNoneZ_err();
+		if (ret < 1024) { return null; }
 		Result_RecoverableSignatureNoneZ ret_hu_conv = Result_RecoverableSignatureNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -56,6 +59,7 @@ public class Result_RecoverableSignatureNoneZ extends CommonBase {
 	 */
 	public Result_RecoverableSignatureNoneZ clone() {
 		long ret = bindings.CResult_RecoverableSignatureNoneZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_RecoverableSignatureNoneZ ret_hu_conv = Result_RecoverableSignatureNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_ReplyChannelRangeDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_ReplyChannelRangeDecodeErrorZ.java
index 40eb3053..5c59bc90 100644
--- a/src/main/java/org/ldk/structs/Result_ReplyChannelRangeDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_ReplyChannelRangeDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_ReplyChannelRangeDecodeErrorZ extends CommonBase {
 	private Result_ReplyChannelRangeDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_ReplyChannelRangeDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ReplyChannelRangeDecodeErrorZ ok(ReplyChannelRange o) {
 		long ret = bindings.CResult_ReplyChannelRangeDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ReplyChannelRangeDecodeErrorZ ret_hu_conv = Result_ReplyChannelRangeDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_ReplyChannelRangeDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ReplyChannelRangeDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_ReplyChannelRangeDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ReplyChannelRangeDecodeErrorZ ret_hu_conv = Result_ReplyChannelRangeDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_ReplyChannelRangeDecodeErrorZ extends CommonBase {
 	 */
 	public Result_ReplyChannelRangeDecodeErrorZ clone() {
 		long ret = bindings.CResult_ReplyChannelRangeDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_ReplyChannelRangeDecodeErrorZ ret_hu_conv = Result_ReplyChannelRangeDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_ReplyShortChannelIdsEndDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_ReplyShortChannelIdsEndDecodeErrorZ.java
index 5e19c47a..4b7cf3cb 100644
--- a/src/main/java/org/ldk/structs/Result_ReplyShortChannelIdsEndDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_ReplyShortChannelIdsEndDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_ReplyShortChannelIdsEndDecodeErrorZ extends CommonBase {
 	private Result_ReplyShortChannelIdsEndDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_ReplyShortChannelIdsEndDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ReplyShortChannelIdsEndDecodeErrorZ ok(ReplyShortChannelIdsEnd o) {
 		long ret = bindings.CResult_ReplyShortChannelIdsEndDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ReplyShortChannelIdsEndDecodeErrorZ ret_hu_conv = Result_ReplyShortChannelIdsEndDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_ReplyShortChannelIdsEndDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ReplyShortChannelIdsEndDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_ReplyShortChannelIdsEndDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ReplyShortChannelIdsEndDecodeErrorZ ret_hu_conv = Result_ReplyShortChannelIdsEndDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_ReplyShortChannelIdsEndDecodeErrorZ extends CommonBase {
 	 */
 	public Result_ReplyShortChannelIdsEndDecodeErrorZ clone() {
 		long ret = bindings.CResult_ReplyShortChannelIdsEndDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_ReplyShortChannelIdsEndDecodeErrorZ ret_hu_conv = Result_ReplyShortChannelIdsEndDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_RevokeAndACKDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_RevokeAndACKDecodeErrorZ.java
index 4253c0a9..b531a774 100644
--- a/src/main/java/org/ldk/structs/Result_RevokeAndACKDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_RevokeAndACKDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_RevokeAndACKDecodeErrorZ extends CommonBase {
 	private Result_RevokeAndACKDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_RevokeAndACKDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_RevokeAndACKDecodeErrorZ ok(RevokeAndACK o) {
 		long ret = bindings.CResult_RevokeAndACKDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_RevokeAndACKDecodeErrorZ ret_hu_conv = Result_RevokeAndACKDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_RevokeAndACKDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_RevokeAndACKDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_RevokeAndACKDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_RevokeAndACKDecodeErrorZ ret_hu_conv = Result_RevokeAndACKDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_RevokeAndACKDecodeErrorZ extends CommonBase {
 	 */
 	public Result_RevokeAndACKDecodeErrorZ clone() {
 		long ret = bindings.CResult_RevokeAndACKDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_RevokeAndACKDecodeErrorZ ret_hu_conv = Result_RevokeAndACKDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_RouteDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_RouteDecodeErrorZ.java
index 34801154..d2c528b8 100644
--- a/src/main/java/org/ldk/structs/Result_RouteDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_RouteDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_RouteDecodeErrorZ extends CommonBase {
 	private Result_RouteDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_RouteDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_RouteDecodeErrorZ ok(Route o) {
 		long ret = bindings.CResult_RouteDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_RouteDecodeErrorZ ret_hu_conv = Result_RouteDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_RouteDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_RouteDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_RouteDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_RouteDecodeErrorZ ret_hu_conv = Result_RouteDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_RouteDecodeErrorZ extends CommonBase {
 	 */
 	public Result_RouteDecodeErrorZ clone() {
 		long ret = bindings.CResult_RouteDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_RouteDecodeErrorZ ret_hu_conv = Result_RouteDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_RouteHopDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_RouteHopDecodeErrorZ.java
index 0dc4faeb..e2f1a77f 100644
--- a/src/main/java/org/ldk/structs/Result_RouteHopDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_RouteHopDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_RouteHopDecodeErrorZ extends CommonBase {
 	private Result_RouteHopDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_RouteHopDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_RouteHopDecodeErrorZ ok(RouteHop o) {
 		long ret = bindings.CResult_RouteHopDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_RouteHopDecodeErrorZ ret_hu_conv = Result_RouteHopDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_RouteHopDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_RouteHopDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_RouteHopDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_RouteHopDecodeErrorZ ret_hu_conv = Result_RouteHopDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_RouteHopDecodeErrorZ extends CommonBase {
 	 */
 	public Result_RouteHopDecodeErrorZ clone() {
 		long ret = bindings.CResult_RouteHopDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_RouteHopDecodeErrorZ ret_hu_conv = Result_RouteHopDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_RouteLightningErrorZ.java b/src/main/java/org/ldk/structs/Result_RouteLightningErrorZ.java
index f6a02435..775fcd9c 100644
--- a/src/main/java/org/ldk/structs/Result_RouteLightningErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_RouteLightningErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_RouteLightningErrorZ extends CommonBase {
 	private Result_RouteLightningErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_RouteLightningErrorZ extends CommonBase {
 	 */
 	public static Result_RouteLightningErrorZ ok(Route o) {
 		long ret = bindings.CResult_RouteLightningErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_RouteLightningErrorZ ret_hu_conv = Result_RouteLightningErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_RouteLightningErrorZ extends CommonBase {
 	 */
 	public static Result_RouteLightningErrorZ err(LightningError e) {
 		long ret = bindings.CResult_RouteLightningErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_RouteLightningErrorZ ret_hu_conv = Result_RouteLightningErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_RouteLightningErrorZ extends CommonBase {
 	 */
 	public Result_RouteLightningErrorZ clone() {
 		long ret = bindings.CResult_RouteLightningErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_RouteLightningErrorZ ret_hu_conv = Result_RouteLightningErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_RoutingFeesDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_RoutingFeesDecodeErrorZ.java
index 335f379a..7aedaa63 100644
--- a/src/main/java/org/ldk/structs/Result_RoutingFeesDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_RoutingFeesDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_RoutingFeesDecodeErrorZ extends CommonBase {
 	private Result_RoutingFeesDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_RoutingFeesDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_RoutingFeesDecodeErrorZ ok(RoutingFees o) {
 		long ret = bindings.CResult_RoutingFeesDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_RoutingFeesDecodeErrorZ ret_hu_conv = Result_RoutingFeesDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_RoutingFeesDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_RoutingFeesDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_RoutingFeesDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_RoutingFeesDecodeErrorZ ret_hu_conv = Result_RoutingFeesDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_RoutingFeesDecodeErrorZ extends CommonBase {
 	 */
 	public Result_RoutingFeesDecodeErrorZ clone() {
 		long ret = bindings.CResult_RoutingFeesDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_RoutingFeesDecodeErrorZ ret_hu_conv = Result_RoutingFeesDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_SecretKeyErrorZ.java b/src/main/java/org/ldk/structs/Result_SecretKeyErrorZ.java
index 83e0574c..74102103 100644
--- a/src/main/java/org/ldk/structs/Result_SecretKeyErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_SecretKeyErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_SecretKeyErrorZ extends CommonBase {
 	private Result_SecretKeyErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -39,6 +40,7 @@ public class Result_SecretKeyErrorZ extends CommonBase {
 	 */
 	public static Result_SecretKeyErrorZ ok(byte[] o) {
 		long ret = bindings.CResult_SecretKeyErrorZ_ok(o);
+		if (ret < 1024) { return null; }
 		Result_SecretKeyErrorZ ret_hu_conv = Result_SecretKeyErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -46,8 +48,9 @@ public class Result_SecretKeyErrorZ extends CommonBase {
 	/**
 	 * Creates a new CResult_SecretKeyErrorZ in the error state.
 	 */
-	public static Result_SecretKeyErrorZ err(Secp256k1Error e) {
+	public static Result_SecretKeyErrorZ err(org.ldk.enums.Secp256k1Error e) {
 		long ret = bindings.CResult_SecretKeyErrorZ_err(e);
+		if (ret < 1024) { return null; }
 		Result_SecretKeyErrorZ ret_hu_conv = Result_SecretKeyErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_ShutdownDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_ShutdownDecodeErrorZ.java
index 15b23462..48e31eb1 100644
--- a/src/main/java/org/ldk/structs/Result_ShutdownDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_ShutdownDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_ShutdownDecodeErrorZ extends CommonBase {
 	private Result_ShutdownDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_ShutdownDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ShutdownDecodeErrorZ ok(Shutdown o) {
 		long ret = bindings.CResult_ShutdownDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ShutdownDecodeErrorZ ret_hu_conv = Result_ShutdownDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_ShutdownDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_ShutdownDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_ShutdownDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_ShutdownDecodeErrorZ ret_hu_conv = Result_ShutdownDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_ShutdownDecodeErrorZ extends CommonBase {
 	 */
 	public Result_ShutdownDecodeErrorZ clone() {
 		long ret = bindings.CResult_ShutdownDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_ShutdownDecodeErrorZ ret_hu_conv = Result_ShutdownDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_SiPrefixNoneZ.java b/src/main/java/org/ldk/structs/Result_SiPrefixNoneZ.java
index a49e15c6..1561bb24 100644
--- a/src/main/java/org/ldk/structs/Result_SiPrefixNoneZ.java
+++ b/src/main/java/org/ldk/structs/Result_SiPrefixNoneZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_SiPrefixNoneZ extends CommonBase {
 	private Result_SiPrefixNoneZ(Object _dummy, long ptr) { super(ptr); }
@@ -35,8 +36,9 @@ public class Result_SiPrefixNoneZ extends CommonBase {
 	/**
 	 * Creates a new CResult_SiPrefixNoneZ in the success state.
 	 */
-	public static Result_SiPrefixNoneZ ok(SiPrefix o) {
+	public static Result_SiPrefixNoneZ ok(org.ldk.enums.SiPrefix o) {
 		long ret = bindings.CResult_SiPrefixNoneZ_ok(o);
+		if (ret < 1024) { return null; }
 		Result_SiPrefixNoneZ ret_hu_conv = Result_SiPrefixNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -46,6 +48,7 @@ public class Result_SiPrefixNoneZ extends CommonBase {
 	 */
 	public static Result_SiPrefixNoneZ err() {
 		long ret = bindings.CResult_SiPrefixNoneZ_err();
+		if (ret < 1024) { return null; }
 		Result_SiPrefixNoneZ ret_hu_conv = Result_SiPrefixNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -56,6 +59,7 @@ public class Result_SiPrefixNoneZ extends CommonBase {
 	 */
 	public Result_SiPrefixNoneZ clone() {
 		long ret = bindings.CResult_SiPrefixNoneZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_SiPrefixNoneZ ret_hu_conv = Result_SiPrefixNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_SignDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_SignDecodeErrorZ.java
index 0652b9f2..5d454d8a 100644
--- a/src/main/java/org/ldk/structs/Result_SignDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_SignDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_SignDecodeErrorZ extends CommonBase {
 	private Result_SignDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_SignDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_SignDecodeErrorZ ok(Sign o) {
 		long ret = bindings.CResult_SignDecodeErrorZ_ok(o == null ? 0 : o.ptr);
+		if (ret < 1024) { return null; }
 		Result_SignDecodeErrorZ ret_hu_conv = Result_SignDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_SignDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_SignDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_SignDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_SignDecodeErrorZ ret_hu_conv = Result_SignDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_SignDecodeErrorZ extends CommonBase {
 	 */
 	public Result_SignDecodeErrorZ clone() {
 		long ret = bindings.CResult_SignDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_SignDecodeErrorZ ret_hu_conv = Result_SignDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_SignatureNoneZ.java b/src/main/java/org/ldk/structs/Result_SignatureNoneZ.java
index 249d58dc..b008a811 100644
--- a/src/main/java/org/ldk/structs/Result_SignatureNoneZ.java
+++ b/src/main/java/org/ldk/structs/Result_SignatureNoneZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_SignatureNoneZ extends CommonBase {
 	private Result_SignatureNoneZ(Object _dummy, long ptr) { super(ptr); }
@@ -37,6 +38,7 @@ public class Result_SignatureNoneZ extends CommonBase {
 	 */
 	public static Result_SignatureNoneZ ok(byte[] o) {
 		long ret = bindings.CResult_SignatureNoneZ_ok(o);
+		if (ret < 1024) { return null; }
 		Result_SignatureNoneZ ret_hu_conv = Result_SignatureNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -46,6 +48,7 @@ public class Result_SignatureNoneZ extends CommonBase {
 	 */
 	public static Result_SignatureNoneZ err() {
 		long ret = bindings.CResult_SignatureNoneZ_err();
+		if (ret < 1024) { return null; }
 		Result_SignatureNoneZ ret_hu_conv = Result_SignatureNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -56,6 +59,7 @@ public class Result_SignatureNoneZ extends CommonBase {
 	 */
 	public Result_SignatureNoneZ clone() {
 		long ret = bindings.CResult_SignatureNoneZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_SignatureNoneZ ret_hu_conv = Result_SignatureNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_SignedRawInvoiceNoneZ.java b/src/main/java/org/ldk/structs/Result_SignedRawInvoiceNoneZ.java
index ce9c9286..593dcdc3 100644
--- a/src/main/java/org/ldk/structs/Result_SignedRawInvoiceNoneZ.java
+++ b/src/main/java/org/ldk/structs/Result_SignedRawInvoiceNoneZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_SignedRawInvoiceNoneZ extends CommonBase {
 	private Result_SignedRawInvoiceNoneZ(Object _dummy, long ptr) { super(ptr); }
@@ -40,6 +41,7 @@ public class Result_SignedRawInvoiceNoneZ extends CommonBase {
 	 */
 	public static Result_SignedRawInvoiceNoneZ ok(SignedRawInvoice o) {
 		long ret = bindings.CResult_SignedRawInvoiceNoneZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_SignedRawInvoiceNoneZ ret_hu_conv = Result_SignedRawInvoiceNoneZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -50,6 +52,7 @@ public class Result_SignedRawInvoiceNoneZ extends CommonBase {
 	 */
 	public static Result_SignedRawInvoiceNoneZ err() {
 		long ret = bindings.CResult_SignedRawInvoiceNoneZ_err();
+		if (ret < 1024) { return null; }
 		Result_SignedRawInvoiceNoneZ ret_hu_conv = Result_SignedRawInvoiceNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -60,6 +63,7 @@ public class Result_SignedRawInvoiceNoneZ extends CommonBase {
 	 */
 	public Result_SignedRawInvoiceNoneZ clone() {
 		long ret = bindings.CResult_SignedRawInvoiceNoneZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_SignedRawInvoiceNoneZ ret_hu_conv = Result_SignedRawInvoiceNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_SpendableOutputDescriptorDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_SpendableOutputDescriptorDecodeErrorZ.java
index 176034af..c01dd857 100644
--- a/src/main/java/org/ldk/structs/Result_SpendableOutputDescriptorDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_SpendableOutputDescriptorDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_SpendableOutputDescriptorDecodeErrorZ extends CommonBase {
 	private Result_SpendableOutputDescriptorDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_SpendableOutputDescriptorDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_SpendableOutputDescriptorDecodeErrorZ ok(SpendableOutputDescriptor o) {
 		long ret = bindings.CResult_SpendableOutputDescriptorDecodeErrorZ_ok(o.ptr);
+		if (ret < 1024) { return null; }
 		Result_SpendableOutputDescriptorDecodeErrorZ ret_hu_conv = Result_SpendableOutputDescriptorDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -54,6 +56,7 @@ public class Result_SpendableOutputDescriptorDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_SpendableOutputDescriptorDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_SpendableOutputDescriptorDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_SpendableOutputDescriptorDecodeErrorZ ret_hu_conv = Result_SpendableOutputDescriptorDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -65,6 +68,7 @@ public class Result_SpendableOutputDescriptorDecodeErrorZ extends CommonBase {
 	 */
 	public Result_SpendableOutputDescriptorDecodeErrorZ clone() {
 		long ret = bindings.CResult_SpendableOutputDescriptorDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_SpendableOutputDescriptorDecodeErrorZ ret_hu_conv = Result_SpendableOutputDescriptorDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_StaticPaymentOutputDescriptorDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_StaticPaymentOutputDescriptorDecodeErrorZ.java
index f0ab215b..475a4aea 100644
--- a/src/main/java/org/ldk/structs/Result_StaticPaymentOutputDescriptorDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_StaticPaymentOutputDescriptorDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_StaticPaymentOutputDescriptorDecodeErrorZ extends CommonBase {
 	private Result_StaticPaymentOutputDescriptorDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_StaticPaymentOutputDescriptorDecodeErrorZ extends CommonBase
 	 */
 	public static Result_StaticPaymentOutputDescriptorDecodeErrorZ ok(StaticPaymentOutputDescriptor o) {
 		long ret = bindings.CResult_StaticPaymentOutputDescriptorDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_StaticPaymentOutputDescriptorDecodeErrorZ ret_hu_conv = Result_StaticPaymentOutputDescriptorDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_StaticPaymentOutputDescriptorDecodeErrorZ extends CommonBase
 	 */
 	public static Result_StaticPaymentOutputDescriptorDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_StaticPaymentOutputDescriptorDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_StaticPaymentOutputDescriptorDecodeErrorZ ret_hu_conv = Result_StaticPaymentOutputDescriptorDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_StaticPaymentOutputDescriptorDecodeErrorZ extends CommonBase
 	 */
 	public Result_StaticPaymentOutputDescriptorDecodeErrorZ clone() {
 		long ret = bindings.CResult_StaticPaymentOutputDescriptorDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_StaticPaymentOutputDescriptorDecodeErrorZ ret_hu_conv = Result_StaticPaymentOutputDescriptorDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_StringErrorZ.java b/src/main/java/org/ldk/structs/Result_StringErrorZ.java
index 9d5e14be..adefd2f7 100644
--- a/src/main/java/org/ldk/structs/Result_StringErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_StringErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_StringErrorZ extends CommonBase {
 	private Result_StringErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -37,8 +38,9 @@ public class Result_StringErrorZ extends CommonBase {
 	/**
 	 * Creates a new CResult_StringErrorZ in the success state.
 	 */
-	public static Result_StringErrorZ ok(String o) {
+	public static Result_StringErrorZ ok(java.lang.String o) {
 		long ret = bindings.CResult_StringErrorZ_ok(o);
+		if (ret < 1024) { return null; }
 		Result_StringErrorZ ret_hu_conv = Result_StringErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -46,8 +48,9 @@ public class Result_StringErrorZ extends CommonBase {
 	/**
 	 * Creates a new CResult_StringErrorZ in the error state.
 	 */
-	public static Result_StringErrorZ err(Secp256k1Error e) {
+	public static Result_StringErrorZ err(org.ldk.enums.Secp256k1Error e) {
 		long ret = bindings.CResult_StringErrorZ_err(e);
+		if (ret < 1024) { return null; }
 		Result_StringErrorZ ret_hu_conv = Result_StringErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_TransactionNoneZ.java b/src/main/java/org/ldk/structs/Result_TransactionNoneZ.java
index 97ab5b0d..0f6f8e83 100644
--- a/src/main/java/org/ldk/structs/Result_TransactionNoneZ.java
+++ b/src/main/java/org/ldk/structs/Result_TransactionNoneZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_TransactionNoneZ extends CommonBase {
 	private Result_TransactionNoneZ(Object _dummy, long ptr) { super(ptr); }
@@ -37,6 +38,7 @@ public class Result_TransactionNoneZ extends CommonBase {
 	 */
 	public static Result_TransactionNoneZ ok(byte[] o) {
 		long ret = bindings.CResult_TransactionNoneZ_ok(o);
+		if (ret < 1024) { return null; }
 		Result_TransactionNoneZ ret_hu_conv = Result_TransactionNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -46,6 +48,7 @@ public class Result_TransactionNoneZ extends CommonBase {
 	 */
 	public static Result_TransactionNoneZ err() {
 		long ret = bindings.CResult_TransactionNoneZ_err();
+		if (ret < 1024) { return null; }
 		Result_TransactionNoneZ ret_hu_conv = Result_TransactionNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -56,6 +59,7 @@ public class Result_TransactionNoneZ extends CommonBase {
 	 */
 	public Result_TransactionNoneZ clone() {
 		long ret = bindings.CResult_TransactionNoneZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_TransactionNoneZ ret_hu_conv = Result_TransactionNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_TrustedCommitmentTransactionNoneZ.java b/src/main/java/org/ldk/structs/Result_TrustedCommitmentTransactionNoneZ.java
index 7c00f3a0..68be3d9e 100644
--- a/src/main/java/org/ldk/structs/Result_TrustedCommitmentTransactionNoneZ.java
+++ b/src/main/java/org/ldk/structs/Result_TrustedCommitmentTransactionNoneZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_TrustedCommitmentTransactionNoneZ extends CommonBase {
 	private Result_TrustedCommitmentTransactionNoneZ(Object _dummy, long ptr) { super(ptr); }
@@ -40,6 +41,7 @@ public class Result_TrustedCommitmentTransactionNoneZ extends CommonBase {
 	 */
 	public static Result_TrustedCommitmentTransactionNoneZ ok(TrustedCommitmentTransaction o) {
 		long ret = bindings.CResult_TrustedCommitmentTransactionNoneZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_TrustedCommitmentTransactionNoneZ ret_hu_conv = Result_TrustedCommitmentTransactionNoneZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		// Due to rust's strict-ownership memory model, in some cases we need to "move"
@@ -58,6 +60,7 @@ public class Result_TrustedCommitmentTransactionNoneZ extends CommonBase {
 	 */
 	public static Result_TrustedCommitmentTransactionNoneZ err() {
 		long ret = bindings.CResult_TrustedCommitmentTransactionNoneZ_err();
+		if (ret < 1024) { return null; }
 		Result_TrustedCommitmentTransactionNoneZ ret_hu_conv = Result_TrustedCommitmentTransactionNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_TxCreationKeysDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_TxCreationKeysDecodeErrorZ.java
index 290b26c8..2ca2053c 100644
--- a/src/main/java/org/ldk/structs/Result_TxCreationKeysDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_TxCreationKeysDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_TxCreationKeysDecodeErrorZ extends CommonBase {
 	private Result_TxCreationKeysDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_TxCreationKeysDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_TxCreationKeysDecodeErrorZ ok(TxCreationKeys o) {
 		long ret = bindings.CResult_TxCreationKeysDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_TxCreationKeysDecodeErrorZ ret_hu_conv = Result_TxCreationKeysDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_TxCreationKeysDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_TxCreationKeysDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_TxCreationKeysDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_TxCreationKeysDecodeErrorZ ret_hu_conv = Result_TxCreationKeysDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_TxCreationKeysDecodeErrorZ extends CommonBase {
 	 */
 	public Result_TxCreationKeysDecodeErrorZ clone() {
 		long ret = bindings.CResult_TxCreationKeysDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_TxCreationKeysDecodeErrorZ ret_hu_conv = Result_TxCreationKeysDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_TxCreationKeysErrorZ.java b/src/main/java/org/ldk/structs/Result_TxCreationKeysErrorZ.java
index 1ca1d7c2..8528e911 100644
--- a/src/main/java/org/ldk/structs/Result_TxCreationKeysErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_TxCreationKeysErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_TxCreationKeysErrorZ extends CommonBase {
 	private Result_TxCreationKeysErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -42,6 +43,7 @@ public class Result_TxCreationKeysErrorZ extends CommonBase {
 	 */
 	public static Result_TxCreationKeysErrorZ ok(TxCreationKeys o) {
 		long ret = bindings.CResult_TxCreationKeysErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_TxCreationKeysErrorZ ret_hu_conv = Result_TxCreationKeysErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -50,8 +52,9 @@ public class Result_TxCreationKeysErrorZ extends CommonBase {
 	/**
 	 * Creates a new CResult_TxCreationKeysErrorZ in the error state.
 	 */
-	public static Result_TxCreationKeysErrorZ err(Secp256k1Error e) {
+	public static Result_TxCreationKeysErrorZ err(org.ldk.enums.Secp256k1Error e) {
 		long ret = bindings.CResult_TxCreationKeysErrorZ_err(e);
+		if (ret < 1024) { return null; }
 		Result_TxCreationKeysErrorZ ret_hu_conv = Result_TxCreationKeysErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -62,6 +65,7 @@ public class Result_TxCreationKeysErrorZ extends CommonBase {
 	 */
 	public Result_TxCreationKeysErrorZ clone() {
 		long ret = bindings.CResult_TxCreationKeysErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_TxCreationKeysErrorZ ret_hu_conv = Result_TxCreationKeysErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_TxOutAccessErrorZ.java b/src/main/java/org/ldk/structs/Result_TxOutAccessErrorZ.java
index bbea0020..bf1ad200 100644
--- a/src/main/java/org/ldk/structs/Result_TxOutAccessErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_TxOutAccessErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_TxOutAccessErrorZ extends CommonBase {
 	private Result_TxOutAccessErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -41,6 +42,7 @@ public class Result_TxOutAccessErrorZ extends CommonBase {
 	 */
 	public static Result_TxOutAccessErrorZ ok(TxOut o) {
 		long ret = bindings.CResult_TxOutAccessErrorZ_ok(o.ptr);
+		if (ret < 1024) { return null; }
 		Result_TxOutAccessErrorZ ret_hu_conv = Result_TxOutAccessErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -48,8 +50,9 @@ public class Result_TxOutAccessErrorZ extends CommonBase {
 	/**
 	 * Creates a new CResult_TxOutAccessErrorZ in the error state.
 	 */
-	public static Result_TxOutAccessErrorZ err(AccessError e) {
+	public static Result_TxOutAccessErrorZ err(org.ldk.enums.AccessError e) {
 		long ret = bindings.CResult_TxOutAccessErrorZ_err(e);
+		if (ret < 1024) { return null; }
 		Result_TxOutAccessErrorZ ret_hu_conv = Result_TxOutAccessErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -60,6 +63,7 @@ public class Result_TxOutAccessErrorZ extends CommonBase {
 	 */
 	public Result_TxOutAccessErrorZ clone() {
 		long ret = bindings.CResult_TxOutAccessErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_TxOutAccessErrorZ ret_hu_conv = Result_TxOutAccessErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_UnsignedChannelAnnouncementDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_UnsignedChannelAnnouncementDecodeErrorZ.java
index cccee3c6..0f85cdfc 100644
--- a/src/main/java/org/ldk/structs/Result_UnsignedChannelAnnouncementDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_UnsignedChannelAnnouncementDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_UnsignedChannelAnnouncementDecodeErrorZ extends CommonBase {
 	private Result_UnsignedChannelAnnouncementDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_UnsignedChannelAnnouncementDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_UnsignedChannelAnnouncementDecodeErrorZ ok(UnsignedChannelAnnouncement o) {
 		long ret = bindings.CResult_UnsignedChannelAnnouncementDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_UnsignedChannelAnnouncementDecodeErrorZ ret_hu_conv = Result_UnsignedChannelAnnouncementDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_UnsignedChannelAnnouncementDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_UnsignedChannelAnnouncementDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_UnsignedChannelAnnouncementDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_UnsignedChannelAnnouncementDecodeErrorZ ret_hu_conv = Result_UnsignedChannelAnnouncementDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_UnsignedChannelAnnouncementDecodeErrorZ extends CommonBase {
 	 */
 	public Result_UnsignedChannelAnnouncementDecodeErrorZ clone() {
 		long ret = bindings.CResult_UnsignedChannelAnnouncementDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_UnsignedChannelAnnouncementDecodeErrorZ ret_hu_conv = Result_UnsignedChannelAnnouncementDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_UnsignedChannelUpdateDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_UnsignedChannelUpdateDecodeErrorZ.java
index 902aecb2..7cff9044 100644
--- a/src/main/java/org/ldk/structs/Result_UnsignedChannelUpdateDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_UnsignedChannelUpdateDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_UnsignedChannelUpdateDecodeErrorZ extends CommonBase {
 	private Result_UnsignedChannelUpdateDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_UnsignedChannelUpdateDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_UnsignedChannelUpdateDecodeErrorZ ok(UnsignedChannelUpdate o) {
 		long ret = bindings.CResult_UnsignedChannelUpdateDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_UnsignedChannelUpdateDecodeErrorZ ret_hu_conv = Result_UnsignedChannelUpdateDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_UnsignedChannelUpdateDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_UnsignedChannelUpdateDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_UnsignedChannelUpdateDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_UnsignedChannelUpdateDecodeErrorZ ret_hu_conv = Result_UnsignedChannelUpdateDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_UnsignedChannelUpdateDecodeErrorZ extends CommonBase {
 	 */
 	public Result_UnsignedChannelUpdateDecodeErrorZ clone() {
 		long ret = bindings.CResult_UnsignedChannelUpdateDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_UnsignedChannelUpdateDecodeErrorZ ret_hu_conv = Result_UnsignedChannelUpdateDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_UnsignedNodeAnnouncementDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_UnsignedNodeAnnouncementDecodeErrorZ.java
index f2b45378..020b54f3 100644
--- a/src/main/java/org/ldk/structs/Result_UnsignedNodeAnnouncementDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_UnsignedNodeAnnouncementDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_UnsignedNodeAnnouncementDecodeErrorZ extends CommonBase {
 	private Result_UnsignedNodeAnnouncementDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_UnsignedNodeAnnouncementDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_UnsignedNodeAnnouncementDecodeErrorZ ok(UnsignedNodeAnnouncement o) {
 		long ret = bindings.CResult_UnsignedNodeAnnouncementDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_UnsignedNodeAnnouncementDecodeErrorZ ret_hu_conv = Result_UnsignedNodeAnnouncementDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_UnsignedNodeAnnouncementDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_UnsignedNodeAnnouncementDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_UnsignedNodeAnnouncementDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_UnsignedNodeAnnouncementDecodeErrorZ ret_hu_conv = Result_UnsignedNodeAnnouncementDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_UnsignedNodeAnnouncementDecodeErrorZ extends CommonBase {
 	 */
 	public Result_UnsignedNodeAnnouncementDecodeErrorZ clone() {
 		long ret = bindings.CResult_UnsignedNodeAnnouncementDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_UnsignedNodeAnnouncementDecodeErrorZ ret_hu_conv = Result_UnsignedNodeAnnouncementDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_UpdateAddHTLCDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_UpdateAddHTLCDecodeErrorZ.java
index 20d44b13..91428f87 100644
--- a/src/main/java/org/ldk/structs/Result_UpdateAddHTLCDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_UpdateAddHTLCDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_UpdateAddHTLCDecodeErrorZ extends CommonBase {
 	private Result_UpdateAddHTLCDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_UpdateAddHTLCDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_UpdateAddHTLCDecodeErrorZ ok(UpdateAddHTLC o) {
 		long ret = bindings.CResult_UpdateAddHTLCDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_UpdateAddHTLCDecodeErrorZ ret_hu_conv = Result_UpdateAddHTLCDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_UpdateAddHTLCDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_UpdateAddHTLCDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_UpdateAddHTLCDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_UpdateAddHTLCDecodeErrorZ ret_hu_conv = Result_UpdateAddHTLCDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_UpdateAddHTLCDecodeErrorZ extends CommonBase {
 	 */
 	public Result_UpdateAddHTLCDecodeErrorZ clone() {
 		long ret = bindings.CResult_UpdateAddHTLCDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_UpdateAddHTLCDecodeErrorZ ret_hu_conv = Result_UpdateAddHTLCDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_UpdateFailHTLCDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_UpdateFailHTLCDecodeErrorZ.java
index 6ae81f16..8d83f7a1 100644
--- a/src/main/java/org/ldk/structs/Result_UpdateFailHTLCDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_UpdateFailHTLCDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_UpdateFailHTLCDecodeErrorZ extends CommonBase {
 	private Result_UpdateFailHTLCDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_UpdateFailHTLCDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_UpdateFailHTLCDecodeErrorZ ok(UpdateFailHTLC o) {
 		long ret = bindings.CResult_UpdateFailHTLCDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_UpdateFailHTLCDecodeErrorZ ret_hu_conv = Result_UpdateFailHTLCDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_UpdateFailHTLCDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_UpdateFailHTLCDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_UpdateFailHTLCDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_UpdateFailHTLCDecodeErrorZ ret_hu_conv = Result_UpdateFailHTLCDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_UpdateFailHTLCDecodeErrorZ extends CommonBase {
 	 */
 	public Result_UpdateFailHTLCDecodeErrorZ clone() {
 		long ret = bindings.CResult_UpdateFailHTLCDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_UpdateFailHTLCDecodeErrorZ ret_hu_conv = Result_UpdateFailHTLCDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_UpdateFailMalformedHTLCDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_UpdateFailMalformedHTLCDecodeErrorZ.java
index 69b3cb6d..5e05a3f2 100644
--- a/src/main/java/org/ldk/structs/Result_UpdateFailMalformedHTLCDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_UpdateFailMalformedHTLCDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_UpdateFailMalformedHTLCDecodeErrorZ extends CommonBase {
 	private Result_UpdateFailMalformedHTLCDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_UpdateFailMalformedHTLCDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_UpdateFailMalformedHTLCDecodeErrorZ ok(UpdateFailMalformedHTLC o) {
 		long ret = bindings.CResult_UpdateFailMalformedHTLCDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_UpdateFailMalformedHTLCDecodeErrorZ ret_hu_conv = Result_UpdateFailMalformedHTLCDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_UpdateFailMalformedHTLCDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_UpdateFailMalformedHTLCDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_UpdateFailMalformedHTLCDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_UpdateFailMalformedHTLCDecodeErrorZ ret_hu_conv = Result_UpdateFailMalformedHTLCDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_UpdateFailMalformedHTLCDecodeErrorZ extends CommonBase {
 	 */
 	public Result_UpdateFailMalformedHTLCDecodeErrorZ clone() {
 		long ret = bindings.CResult_UpdateFailMalformedHTLCDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_UpdateFailMalformedHTLCDecodeErrorZ ret_hu_conv = Result_UpdateFailMalformedHTLCDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_UpdateFeeDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_UpdateFeeDecodeErrorZ.java
index 1200e14e..3004b3ec 100644
--- a/src/main/java/org/ldk/structs/Result_UpdateFeeDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_UpdateFeeDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_UpdateFeeDecodeErrorZ extends CommonBase {
 	private Result_UpdateFeeDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_UpdateFeeDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_UpdateFeeDecodeErrorZ ok(UpdateFee o) {
 		long ret = bindings.CResult_UpdateFeeDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_UpdateFeeDecodeErrorZ ret_hu_conv = Result_UpdateFeeDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_UpdateFeeDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_UpdateFeeDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_UpdateFeeDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_UpdateFeeDecodeErrorZ ret_hu_conv = Result_UpdateFeeDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_UpdateFeeDecodeErrorZ extends CommonBase {
 	 */
 	public Result_UpdateFeeDecodeErrorZ clone() {
 		long ret = bindings.CResult_UpdateFeeDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_UpdateFeeDecodeErrorZ ret_hu_conv = Result_UpdateFeeDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_UpdateFulfillHTLCDecodeErrorZ.java b/src/main/java/org/ldk/structs/Result_UpdateFulfillHTLCDecodeErrorZ.java
index 58be9052..0f2302dc 100644
--- a/src/main/java/org/ldk/structs/Result_UpdateFulfillHTLCDecodeErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_UpdateFulfillHTLCDecodeErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_UpdateFulfillHTLCDecodeErrorZ extends CommonBase {
 	private Result_UpdateFulfillHTLCDecodeErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -45,6 +46,7 @@ public class Result_UpdateFulfillHTLCDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_UpdateFulfillHTLCDecodeErrorZ ok(UpdateFulfillHTLC o) {
 		long ret = bindings.CResult_UpdateFulfillHTLCDecodeErrorZ_ok(o == null ? 0 : o.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_UpdateFulfillHTLCDecodeErrorZ ret_hu_conv = Result_UpdateFulfillHTLCDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(o);
 		return ret_hu_conv;
@@ -55,6 +57,7 @@ public class Result_UpdateFulfillHTLCDecodeErrorZ extends CommonBase {
 	 */
 	public static Result_UpdateFulfillHTLCDecodeErrorZ err(DecodeError e) {
 		long ret = bindings.CResult_UpdateFulfillHTLCDecodeErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_UpdateFulfillHTLCDecodeErrorZ ret_hu_conv = Result_UpdateFulfillHTLCDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Result_UpdateFulfillHTLCDecodeErrorZ extends CommonBase {
 	 */
 	public Result_UpdateFulfillHTLCDecodeErrorZ clone() {
 		long ret = bindings.CResult_UpdateFulfillHTLCDecodeErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_UpdateFulfillHTLCDecodeErrorZ ret_hu_conv = Result_UpdateFulfillHTLCDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_boolLightningErrorZ.java b/src/main/java/org/ldk/structs/Result_boolLightningErrorZ.java
index 60571a14..a3a91d1d 100644
--- a/src/main/java/org/ldk/structs/Result_boolLightningErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_boolLightningErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_boolLightningErrorZ extends CommonBase {
 	private Result_boolLightningErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -42,6 +43,7 @@ public class Result_boolLightningErrorZ extends CommonBase {
 	 */
 	public static Result_boolLightningErrorZ ok(boolean o) {
 		long ret = bindings.CResult_boolLightningErrorZ_ok(o);
+		if (ret < 1024) { return null; }
 		Result_boolLightningErrorZ ret_hu_conv = Result_boolLightningErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -51,6 +53,7 @@ public class Result_boolLightningErrorZ extends CommonBase {
 	 */
 	public static Result_boolLightningErrorZ err(LightningError e) {
 		long ret = bindings.CResult_boolLightningErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_boolLightningErrorZ ret_hu_conv = Result_boolLightningErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -62,6 +65,7 @@ public class Result_boolLightningErrorZ extends CommonBase {
 	 */
 	public Result_boolLightningErrorZ clone() {
 		long ret = bindings.CResult_boolLightningErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_boolLightningErrorZ ret_hu_conv = Result_boolLightningErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Result_boolPeerHandleErrorZ.java b/src/main/java/org/ldk/structs/Result_boolPeerHandleErrorZ.java
index cbcedfb2..470321fc 100644
--- a/src/main/java/org/ldk/structs/Result_boolPeerHandleErrorZ.java
+++ b/src/main/java/org/ldk/structs/Result_boolPeerHandleErrorZ.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class Result_boolPeerHandleErrorZ extends CommonBase {
 	private Result_boolPeerHandleErrorZ(Object _dummy, long ptr) { super(ptr); }
@@ -42,6 +43,7 @@ public class Result_boolPeerHandleErrorZ extends CommonBase {
 	 */
 	public static Result_boolPeerHandleErrorZ ok(boolean o) {
 		long ret = bindings.CResult_boolPeerHandleErrorZ_ok(o);
+		if (ret < 1024) { return null; }
 		Result_boolPeerHandleErrorZ ret_hu_conv = Result_boolPeerHandleErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -51,6 +53,7 @@ public class Result_boolPeerHandleErrorZ extends CommonBase {
 	 */
 	public static Result_boolPeerHandleErrorZ err(PeerHandleError e) {
 		long ret = bindings.CResult_boolPeerHandleErrorZ_err(e == null ? 0 : e.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_boolPeerHandleErrorZ ret_hu_conv = Result_boolPeerHandleErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(e);
 		return ret_hu_conv;
@@ -62,6 +65,7 @@ public class Result_boolPeerHandleErrorZ extends CommonBase {
 	 */
 	public Result_boolPeerHandleErrorZ clone() {
 		long ret = bindings.CResult_boolPeerHandleErrorZ_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_boolPeerHandleErrorZ ret_hu_conv = Result_boolPeerHandleErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/RevokeAndACK.java b/src/main/java/org/ldk/structs/RevokeAndACK.java
index 0ca324c0..8ae79682 100644
--- a/src/main/java/org/ldk/structs/RevokeAndACK.java
+++ b/src/main/java/org/ldk/structs/RevokeAndACK.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -68,6 +69,7 @@ public class RevokeAndACK extends CommonBase {
 	 */
 	public static RevokeAndACK of(byte[] channel_id_arg, byte[] per_commitment_secret_arg, byte[] next_per_commitment_point_arg) {
 		long ret = bindings.RevokeAndACK_new(channel_id_arg, per_commitment_secret_arg, next_per_commitment_point_arg);
+		if (ret < 1024) { return null; }
 		RevokeAndACK ret_hu_conv = new RevokeAndACK(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -78,6 +80,7 @@ public class RevokeAndACK extends CommonBase {
 	 */
 	public RevokeAndACK clone() {
 		long ret = bindings.RevokeAndACK_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		RevokeAndACK ret_hu_conv = new RevokeAndACK(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -96,6 +99,7 @@ public class RevokeAndACK extends CommonBase {
 	 */
 	public static Result_RevokeAndACKDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.RevokeAndACK_read(ser);
+		if (ret < 1024) { return null; }
 		Result_RevokeAndACKDecodeErrorZ ret_hu_conv = Result_RevokeAndACKDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Route.java b/src/main/java/org/ldk/structs/Route.java
index 7c4e8275..5d051553 100644
--- a/src/main/java/org/ldk/structs/Route.java
+++ b/src/main/java/org/ldk/structs/Route.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -28,7 +29,7 @@ public class Route extends CommonBase {
 	 * ensure it is viable.
 	 */
 	public void set_paths(RouteHop[][] val) {
-		bindings.Route_set_paths(this.ptr, Arrays.stream(val).map(val_conv_12 -> Arrays.stream(val_conv_12).mapToLong(val_conv_12_conv_10 -> val_conv_12_conv_10 == null ? 0 : val_conv_12_conv_10.ptr & ~1).toArray()).toArray(long[][]::new));
+		bindings.Route_set_paths(this.ptr, val != null ? Arrays.stream(val).map(val_conv_12 -> val_conv_12 != null ? Arrays.stream(val_conv_12).mapToLong(val_conv_12_conv_10 -> val_conv_12_conv_10 == null ? 0 : val_conv_12_conv_10.ptr & ~1).toArray() : null).toArray(long[][]::new) : null);
 		/* TODO 2 RouteHop[]  */;
 	}
 
@@ -36,7 +37,8 @@ public class Route extends CommonBase {
 	 * Constructs a new Route given each field
 	 */
 	public static Route of(RouteHop[][] paths_arg) {
-		long ret = bindings.Route_new(Arrays.stream(paths_arg).map(paths_arg_conv_12 -> Arrays.stream(paths_arg_conv_12).mapToLong(paths_arg_conv_12_conv_10 -> paths_arg_conv_12_conv_10 == null ? 0 : paths_arg_conv_12_conv_10.ptr & ~1).toArray()).toArray(long[][]::new));
+		long ret = bindings.Route_new(paths_arg != null ? Arrays.stream(paths_arg).map(paths_arg_conv_12 -> paths_arg_conv_12 != null ? Arrays.stream(paths_arg_conv_12).mapToLong(paths_arg_conv_12_conv_10 -> paths_arg_conv_12_conv_10 == null ? 0 : paths_arg_conv_12_conv_10.ptr & ~1).toArray() : null).toArray(long[][]::new) : null);
+		if (ret < 1024) { return null; }
 		Route ret_hu_conv = new Route(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		/* TODO 2 RouteHop[]  */;
@@ -48,6 +50,7 @@ public class Route extends CommonBase {
 	 */
 	public Route clone() {
 		long ret = bindings.Route_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Route ret_hu_conv = new Route(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -66,6 +69,7 @@ public class Route extends CommonBase {
 	 */
 	public static Result_RouteDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.Route_read(ser);
+		if (ret < 1024) { return null; }
 		Result_RouteDecodeErrorZ ret_hu_conv = Result_RouteDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/RouteHint.java b/src/main/java/org/ldk/structs/RouteHint.java
index f13f5c14..33753cf8 100644
--- a/src/main/java/org/ldk/structs/RouteHint.java
+++ b/src/main/java/org/ldk/structs/RouteHint.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -34,6 +35,7 @@ public class RouteHint extends CommonBase {
 	 */
 	public RouteHint clone() {
 		long ret = bindings.RouteHint_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		RouteHint ret_hu_conv = new RouteHint(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/RouteHintHop.java b/src/main/java/org/ldk/structs/RouteHintHop.java
index ad4a93b8..26030859 100644
--- a/src/main/java/org/ldk/structs/RouteHintHop.java
+++ b/src/main/java/org/ldk/structs/RouteHintHop.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -53,6 +54,7 @@ public class RouteHintHop extends CommonBase {
 	 */
 	public RoutingFees get_fees() {
 		long ret = bindings.RouteHintHop_get_fees(this.ptr);
+		if (ret < 1024) { return null; }
 		RoutingFees ret_hu_conv = new RoutingFees(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -86,6 +88,7 @@ public class RouteHintHop extends CommonBase {
 	 */
 	public Option_u64Z get_htlc_minimum_msat() {
 		long ret = bindings.RouteHintHop_get_htlc_minimum_msat(this.ptr);
+		if (ret < 1024) { return null; }
 		Option_u64Z ret_hu_conv = Option_u64Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -103,6 +106,7 @@ public class RouteHintHop extends CommonBase {
 	 */
 	public Option_u64Z get_htlc_maximum_msat() {
 		long ret = bindings.RouteHintHop_get_htlc_maximum_msat(this.ptr);
+		if (ret < 1024) { return null; }
 		Option_u64Z ret_hu_conv = Option_u64Z.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -120,6 +124,7 @@ public class RouteHintHop extends CommonBase {
 	 */
 	public static RouteHintHop of(byte[] src_node_id_arg, long short_channel_id_arg, RoutingFees fees_arg, short cltv_expiry_delta_arg, Option_u64Z htlc_minimum_msat_arg, Option_u64Z htlc_maximum_msat_arg) {
 		long ret = bindings.RouteHintHop_new(src_node_id_arg, short_channel_id_arg, fees_arg == null ? 0 : fees_arg.ptr & ~1, cltv_expiry_delta_arg, htlc_minimum_msat_arg.ptr, htlc_maximum_msat_arg.ptr);
+		if (ret < 1024) { return null; }
 		RouteHintHop ret_hu_conv = new RouteHintHop(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(fees_arg);
@@ -142,6 +147,7 @@ public class RouteHintHop extends CommonBase {
 	 */
 	public RouteHintHop clone() {
 		long ret = bindings.RouteHintHop_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		RouteHintHop ret_hu_conv = new RouteHintHop(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/RouteHop.java b/src/main/java/org/ldk/structs/RouteHop.java
index 6d22a7e6..94345540 100644
--- a/src/main/java/org/ldk/structs/RouteHop.java
+++ b/src/main/java/org/ldk/structs/RouteHop.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -39,6 +40,7 @@ public class RouteHop extends CommonBase {
 	 */
 	public NodeFeatures get_node_features() {
 		long ret = bindings.RouteHop_get_node_features(this.ptr);
+		if (ret < 1024) { return null; }
 		NodeFeatures ret_hu_conv = new NodeFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -74,6 +76,7 @@ public class RouteHop extends CommonBase {
 	 */
 	public ChannelFeatures get_channel_features() {
 		long ret = bindings.RouteHop_get_channel_features(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelFeatures ret_hu_conv = new ChannelFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -129,6 +132,7 @@ public class RouteHop extends CommonBase {
 	 */
 	public static RouteHop of(byte[] pubkey_arg, NodeFeatures node_features_arg, long short_channel_id_arg, ChannelFeatures channel_features_arg, long fee_msat_arg, int cltv_expiry_delta_arg) {
 		long ret = bindings.RouteHop_new(pubkey_arg, node_features_arg == null ? 0 : node_features_arg.ptr & ~1, short_channel_id_arg, channel_features_arg == null ? 0 : channel_features_arg.ptr & ~1, fee_msat_arg, cltv_expiry_delta_arg);
+		if (ret < 1024) { return null; }
 		RouteHop ret_hu_conv = new RouteHop(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(node_features_arg);
@@ -141,6 +145,7 @@ public class RouteHop extends CommonBase {
 	 */
 	public RouteHop clone() {
 		long ret = bindings.RouteHop_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		RouteHop ret_hu_conv = new RouteHop(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -159,6 +164,7 @@ public class RouteHop extends CommonBase {
 	 */
 	public static Result_RouteHopDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.RouteHop_read(ser);
+		if (ret < 1024) { return null; }
 		Result_RouteHopDecodeErrorZ ret_hu_conv = Result_RouteHopDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/RoutingFees.java b/src/main/java/org/ldk/structs/RoutingFees.java
index b3852453..f1afc840 100644
--- a/src/main/java/org/ldk/structs/RoutingFees.java
+++ b/src/main/java/org/ldk/structs/RoutingFees.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -55,6 +56,7 @@ public class RoutingFees extends CommonBase {
 	 */
 	public static RoutingFees of(int base_msat_arg, int proportional_millionths_arg) {
 		long ret = bindings.RoutingFees_new(base_msat_arg, proportional_millionths_arg);
+		if (ret < 1024) { return null; }
 		RoutingFees ret_hu_conv = new RoutingFees(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -76,6 +78,7 @@ public class RoutingFees extends CommonBase {
 	 */
 	public RoutingFees clone() {
 		long ret = bindings.RoutingFees_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		RoutingFees ret_hu_conv = new RoutingFees(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -94,6 +97,7 @@ public class RoutingFees extends CommonBase {
 	 */
 	public static Result_RoutingFeesDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.RoutingFees_read(ser);
+		if (ret < 1024) { return null; }
 		Result_RoutingFeesDecodeErrorZ ret_hu_conv = Result_RoutingFeesDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/RoutingMessageHandler.java b/src/main/java/org/ldk/structs/RoutingMessageHandler.java
index 2ca68de1..7b1ea66a 100644
--- a/src/main/java/org/ldk/structs/RoutingMessageHandler.java
+++ b/src/main/java/org/ldk/structs/RoutingMessageHandler.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 /**
  * A trait to describe an object which can receive routing messages.
@@ -60,6 +61,8 @@ public class RoutingMessageHandler extends CommonBase {
 		 * starting at the node *after* the provided publickey and including batch_amount entries
 		 * immediately higher (as defined by <PublicKey as Ord>::cmp) than starting_point.
 		 * If None is provided for starting_point, we start at the first node.
+		 * 
+		 * Note that starting_point (or a relevant inner pointer) may be NULL or all-0s to represent None
 		 */
 		NodeAnnouncement[] get_next_node_announcements(byte[] starting_point, byte batch_amount);
 		/**
@@ -120,13 +123,13 @@ public class RoutingMessageHandler extends CommonBase {
 			}
 			@Override public long[] get_next_channel_announcements(long starting_point, byte batch_amount) {
 				ThreeTuple<ChannelAnnouncement, ChannelUpdate, ChannelUpdate>[] ret = arg.get_next_channel_announcements(starting_point, batch_amount);
-				long[] result = Arrays.stream(ret).mapToLong(ret_conv_63 -> bindings.C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_new(ret_conv_63.a == null ? 0 : ret_conv_63.a.ptr & ~1, ret_conv_63.b == null ? 0 : ret_conv_63.b.ptr & ~1, ret_conv_63.c == null ? 0 : ret_conv_63.c.ptr & ~1)).toArray();
+				long[] result = ret != null ? Arrays.stream(ret).mapToLong(ret_conv_63 -> bindings.C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_new(ret_conv_63.a == null ? 0 : ret_conv_63.a.ptr & ~1, ret_conv_63.b == null ? 0 : ret_conv_63.b.ptr & ~1, ret_conv_63.c == null ? 0 : ret_conv_63.c.ptr & ~1)).toArray() : null;
 				/* TODO 2 ThreeTuple<ChannelAnnouncement, ChannelUpdate, ChannelUpdate>  */;
 				return result;
 			}
 			@Override public long[] get_next_node_announcements(byte[] starting_point, byte batch_amount) {
 				NodeAnnouncement[] ret = arg.get_next_node_announcements(starting_point, batch_amount);
-				long[] result = Arrays.stream(ret).mapToLong(ret_conv_18 -> ret_conv_18 == null ? 0 : ret_conv_18.ptr & ~1).toArray();
+				long[] result = ret != null ? Arrays.stream(ret).mapToLong(ret_conv_18 -> ret_conv_18 == null ? 0 : ret_conv_18.ptr & ~1).toArray() : null;
 				/* TODO 2 NodeAnnouncement  */;
 				return result;
 			}
@@ -165,12 +168,23 @@ public class RoutingMessageHandler extends CommonBase {
 		}, MessageSendEventsProvider.new_impl(MessageSendEventsProvider_impl).bindings_instance);
 		return impl_holder.held;
 	}
+
+	/**
+	 * Gets the underlying MessageSendEventsProvider.
+	 */
+	public MessageSendEventsProvider get_message_send_events_provider() {
+		MessageSendEventsProvider res = new MessageSendEventsProvider(null, bindings.LDKRoutingMessageHandler_get_MessageSendEventsProvider(this.ptr));
+		this.ptrs_to.add(res);
+		return res;
+	}
+
 	/**
 	 * Handle an incoming node_announcement message, returning true if it should be forwarded on,
 	 * false or returning an Err otherwise.
 	 */
 	public Result_boolLightningErrorZ handle_node_announcement(NodeAnnouncement msg) {
 		long ret = bindings.RoutingMessageHandler_handle_node_announcement(this.ptr, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_boolLightningErrorZ ret_hu_conv = Result_boolLightningErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(msg);
 		return ret_hu_conv;
@@ -182,6 +196,7 @@ public class RoutingMessageHandler extends CommonBase {
 	 */
 	public Result_boolLightningErrorZ handle_channel_announcement(ChannelAnnouncement msg) {
 		long ret = bindings.RoutingMessageHandler_handle_channel_announcement(this.ptr, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_boolLightningErrorZ ret_hu_conv = Result_boolLightningErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(msg);
 		return ret_hu_conv;
@@ -193,6 +208,7 @@ public class RoutingMessageHandler extends CommonBase {
 	 */
 	public Result_boolLightningErrorZ handle_channel_update(ChannelUpdate msg) {
 		long ret = bindings.RoutingMessageHandler_handle_channel_update(this.ptr, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_boolLightningErrorZ ret_hu_conv = Result_boolLightningErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(msg);
 		return ret_hu_conv;
@@ -241,8 +257,10 @@ public class RoutingMessageHandler extends CommonBase {
 	 * starting at the node *after* the provided publickey and including batch_amount entries
 	 * immediately higher (as defined by <PublicKey as Ord>::cmp) than starting_point.
 	 * If None is provided for starting_point, we start at the first node.
+	 * 
+	 * Note that starting_point (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public NodeAnnouncement[] get_next_node_announcements(byte[] starting_point, byte batch_amount) {
+	public NodeAnnouncement[] get_next_node_announcements(@Nullable byte[] starting_point, byte batch_amount) {
 		long[] ret = bindings.RoutingMessageHandler_get_next_node_announcements(this.ptr, starting_point, batch_amount);
 		NodeAnnouncement[] ret_conv_18_arr = new NodeAnnouncement[ret.length];
 		for (int s = 0; s < ret.length; s++) {
@@ -271,6 +289,7 @@ public class RoutingMessageHandler extends CommonBase {
 	 */
 	public Result_NoneLightningErrorZ handle_reply_channel_range(byte[] their_node_id, ReplyChannelRange msg) {
 		long ret = bindings.RoutingMessageHandler_handle_reply_channel_range(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(msg);
 		return ret_hu_conv;
@@ -284,6 +303,7 @@ public class RoutingMessageHandler extends CommonBase {
 	 */
 	public Result_NoneLightningErrorZ handle_reply_short_channel_ids_end(byte[] their_node_id, ReplyShortChannelIdsEnd msg) {
 		long ret = bindings.RoutingMessageHandler_handle_reply_short_channel_ids_end(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(msg);
 		return ret_hu_conv;
@@ -295,6 +315,7 @@ public class RoutingMessageHandler extends CommonBase {
 	 */
 	public Result_NoneLightningErrorZ handle_query_channel_range(byte[] their_node_id, QueryChannelRange msg) {
 		long ret = bindings.RoutingMessageHandler_handle_query_channel_range(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(msg);
 		return ret_hu_conv;
@@ -306,6 +327,7 @@ public class RoutingMessageHandler extends CommonBase {
 	 */
 	public Result_NoneLightningErrorZ handle_query_short_channel_ids(byte[] their_node_id, QueryShortChannelIds msg) {
 		long ret = bindings.RoutingMessageHandler_handle_query_short_channel_ids(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
 		this.ptrs_to.add(msg);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/Sha256.java b/src/main/java/org/ldk/structs/Sha256.java
index b630026a..76c110a7 100644
--- a/src/main/java/org/ldk/structs/Sha256.java
+++ b/src/main/java/org/ldk/structs/Sha256.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -34,6 +35,7 @@ public class Sha256 extends CommonBase {
 	 */
 	public Sha256 clone() {
 		long ret = bindings.Sha256_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Sha256 ret_hu_conv = new Sha256(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/Shutdown.java b/src/main/java/org/ldk/structs/Shutdown.java
index bc02e08b..e35dd79f 100644
--- a/src/main/java/org/ldk/structs/Shutdown.java
+++ b/src/main/java/org/ldk/structs/Shutdown.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -55,6 +56,7 @@ public class Shutdown extends CommonBase {
 	 */
 	public static Shutdown of(byte[] channel_id_arg, byte[] scriptpubkey_arg) {
 		long ret = bindings.Shutdown_new(channel_id_arg, scriptpubkey_arg);
+		if (ret < 1024) { return null; }
 		Shutdown ret_hu_conv = new Shutdown(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -65,6 +67,7 @@ public class Shutdown extends CommonBase {
 	 */
 	public Shutdown clone() {
 		long ret = bindings.Shutdown_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Shutdown ret_hu_conv = new Shutdown(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -83,6 +86,7 @@ public class Shutdown extends CommonBase {
 	 */
 	public static Result_ShutdownDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.Shutdown_read(ser);
+		if (ret < 1024) { return null; }
 		Result_ShutdownDecodeErrorZ ret_hu_conv = Result_ShutdownDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/Sign.java b/src/main/java/org/ldk/structs/Sign.java
index a9304525..0a9d65af 100644
--- a/src/main/java/org/ldk/structs/Sign.java
+++ b/src/main/java/org/ldk/structs/Sign.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 /**
  * A cloneable signer.
@@ -45,6 +46,16 @@ public class Sign extends CommonBase {
 		}, BaseSign.new_impl(BaseSign_impl, pubkeys).bindings_instance, pubkeys);
 		return impl_holder.held;
 	}
+
+	/**
+	 * Gets the underlying BaseSign.
+	 */
+	public BaseSign get_base_sign() {
+		BaseSign res = new BaseSign(null, bindings.LDKSign_get_BaseSign(this.ptr));
+		this.ptrs_to.add(res);
+		return res;
+	}
+
 	/**
 	 * Serialize the object into a byte array
 	 */
@@ -58,6 +69,7 @@ public class Sign extends CommonBase {
 	 */
 	public Sign clone() {
 		long ret = bindings.Sign_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Sign ret_hu_conv = new Sign(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/SignOrCreationError.java b/src/main/java/org/ldk/structs/SignOrCreationError.java
index 918d862e..f087a97c 100644
--- a/src/main/java/org/ldk/structs/SignOrCreationError.java
+++ b/src/main/java/org/ldk/structs/SignOrCreationError.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -46,11 +47,34 @@ public class SignOrCreationError extends CommonBase {
 	 */
 	public SignOrCreationError clone() {
 		long ret = bindings.SignOrCreationError_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		SignOrCreationError ret_hu_conv = SignOrCreationError.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Utility method to constructs a new SignError-variant SignOrCreationError
+	 */
+	public static SignOrCreationError sign_error() {
+		long ret = bindings.SignOrCreationError_sign_error();
+		if (ret < 1024) { return null; }
+		SignOrCreationError ret_hu_conv = SignOrCreationError.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new CreationError-variant SignOrCreationError
+	 */
+	public static SignOrCreationError creation_error(org.ldk.enums.CreationError a) {
+		long ret = bindings.SignOrCreationError_creation_error(a);
+		if (ret < 1024) { return null; }
+		SignOrCreationError ret_hu_conv = SignOrCreationError.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
 	/**
 	 * Checks if two SignOrCreationErrors contain equal inner contents.
 	 * This ignores pointers and is_owned flags and looks at the values in fields.
diff --git a/src/main/java/org/ldk/structs/SignedRawInvoice.java b/src/main/java/org/ldk/structs/SignedRawInvoice.java
index 45bf92d5..c097c202 100644
--- a/src/main/java/org/ldk/structs/SignedRawInvoice.java
+++ b/src/main/java/org/ldk/structs/SignedRawInvoice.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -38,6 +39,7 @@ public class SignedRawInvoice extends CommonBase {
 	 */
 	public SignedRawInvoice clone() {
 		long ret = bindings.SignedRawInvoice_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		SignedRawInvoice ret_hu_conv = new SignedRawInvoice(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -51,6 +53,7 @@ public class SignedRawInvoice extends CommonBase {
 	 */
 	public ThreeTuple<RawInvoice, byte[], InvoiceSignature> into_parts() {
 		long ret = bindings.SignedRawInvoice_into_parts(this.ptr);
+		if (ret < 1024) { return null; }
 		long ret_a = bindings.LDKC3Tuple_RawInvoice_u832InvoiceSignatureZ_get_a(ret);
 		RawInvoice ret_a_hu_conv = new RawInvoice(null, ret_a);
 		ret_a_hu_conv.ptrs_to.add(this);;
@@ -72,6 +75,7 @@ public class SignedRawInvoice extends CommonBase {
 	 */
 	public RawInvoice raw_invoice() {
 		long ret = bindings.SignedRawInvoice_raw_invoice(this.ptr);
+		if (ret < 1024) { return null; }
 		RawInvoice ret_hu_conv = new RawInvoice(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -90,6 +94,7 @@ public class SignedRawInvoice extends CommonBase {
 	 */
 	public InvoiceSignature signature() {
 		long ret = bindings.SignedRawInvoice_signature(this.ptr);
+		if (ret < 1024) { return null; }
 		InvoiceSignature ret_hu_conv = new InvoiceSignature(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -100,6 +105,7 @@ public class SignedRawInvoice extends CommonBase {
 	 */
 	public Result_PayeePubKeyErrorZ recover_payee_pub_key() {
 		long ret = bindings.SignedRawInvoice_recover_payee_pub_key(this.ptr);
+		if (ret < 1024) { return null; }
 		Result_PayeePubKeyErrorZ ret_hu_conv = Result_PayeePubKeyErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -116,8 +122,9 @@ public class SignedRawInvoice extends CommonBase {
 	/**
 	 * Read a SignedRawInvoice object from a string
 	 */
-	public static Result_SignedRawInvoiceNoneZ from_str(String s) {
+	public static Result_SignedRawInvoiceNoneZ from_str(java.lang.String s) {
 		long ret = bindings.SignedRawInvoice_from_str(s);
+		if (ret < 1024) { return null; }
 		Result_SignedRawInvoiceNoneZ ret_hu_conv = Result_SignedRawInvoiceNoneZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/SocketDescriptor.java b/src/main/java/org/ldk/structs/SocketDescriptor.java
index 86fbfdec..c1bdaf55 100644
--- a/src/main/java/org/ldk/structs/SocketDescriptor.java
+++ b/src/main/java/org/ldk/structs/SocketDescriptor.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 /**
  * Provides an object which can be used to send data to and which uniquely identifies a connection
@@ -143,6 +144,7 @@ public class SocketDescriptor extends CommonBase {
 	 */
 	public SocketDescriptor clone() {
 		long ret = bindings.SocketDescriptor_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		SocketDescriptor ret_hu_conv = new SocketDescriptor(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/SpendableOutputDescriptor.java b/src/main/java/org/ldk/structs/SpendableOutputDescriptor.java
index 2f0c0e87..ea1b4fd6 100644
--- a/src/main/java/org/ldk/structs/SpendableOutputDescriptor.java
+++ b/src/main/java/org/ldk/structs/SpendableOutputDescriptor.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -36,7 +37,13 @@ public class SpendableOutputDescriptor extends CommonBase {
 	}
 
 	public final static class StaticOutput extends SpendableOutputDescriptor {
+		/**
+		 * The outpoint which is spendable
+		*/
 		public final OutPoint outpoint;
+		/**
+		 * The output which is referenced by the given outpoint.
+		*/
 		public final TxOut output;
 		private StaticOutput(long ptr, bindings.LDKSpendableOutputDescriptor.StaticOutput obj) {
 			super(null, ptr);
@@ -74,11 +81,48 @@ public class SpendableOutputDescriptor extends CommonBase {
 	 */
 	public SpendableOutputDescriptor clone() {
 		long ret = bindings.SpendableOutputDescriptor_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		SpendableOutputDescriptor ret_hu_conv = SpendableOutputDescriptor.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
+	/**
+	 * Utility method to constructs a new StaticOutput-variant SpendableOutputDescriptor
+	 */
+	public static SpendableOutputDescriptor static_output(OutPoint outpoint, TxOut output) {
+		long ret = bindings.SpendableOutputDescriptor_static_output(outpoint == null ? 0 : outpoint.ptr & ~1, output.ptr);
+		if (ret < 1024) { return null; }
+		SpendableOutputDescriptor ret_hu_conv = SpendableOutputDescriptor.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(outpoint);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new DelayedPaymentOutput-variant SpendableOutputDescriptor
+	 */
+	public static SpendableOutputDescriptor delayed_payment_output(DelayedPaymentOutputDescriptor a) {
+		long ret = bindings.SpendableOutputDescriptor_delayed_payment_output(a == null ? 0 : a.ptr & ~1);
+		if (ret < 1024) { return null; }
+		SpendableOutputDescriptor ret_hu_conv = SpendableOutputDescriptor.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(a);
+		return ret_hu_conv;
+	}
+
+	/**
+	 * Utility method to constructs a new StaticPaymentOutput-variant SpendableOutputDescriptor
+	 */
+	public static SpendableOutputDescriptor static_payment_output(StaticPaymentOutputDescriptor a) {
+		long ret = bindings.SpendableOutputDescriptor_static_payment_output(a == null ? 0 : a.ptr & ~1);
+		if (ret < 1024) { return null; }
+		SpendableOutputDescriptor ret_hu_conv = SpendableOutputDescriptor.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(a);
+		return ret_hu_conv;
+	}
+
 	/**
 	 * Serialize the SpendableOutputDescriptor object into a byte array which can be read by SpendableOutputDescriptor_read
 	 */
@@ -92,6 +136,7 @@ public class SpendableOutputDescriptor extends CommonBase {
 	 */
 	public static Result_SpendableOutputDescriptorDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.SpendableOutputDescriptor_read(ser);
+		if (ret < 1024) { return null; }
 		Result_SpendableOutputDescriptorDecodeErrorZ ret_hu_conv = Result_SpendableOutputDescriptorDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/StaticPaymentOutputDescriptor.java b/src/main/java/org/ldk/structs/StaticPaymentOutputDescriptor.java
index 92df6b6d..ee0685a0 100644
--- a/src/main/java/org/ldk/structs/StaticPaymentOutputDescriptor.java
+++ b/src/main/java/org/ldk/structs/StaticPaymentOutputDescriptor.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -24,6 +25,7 @@ public class StaticPaymentOutputDescriptor extends CommonBase {
 	 */
 	public OutPoint get_outpoint() {
 		long ret = bindings.StaticPaymentOutputDescriptor_get_outpoint(this.ptr);
+		if (ret < 1024) { return null; }
 		OutPoint ret_hu_conv = new OutPoint(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -83,6 +85,7 @@ public class StaticPaymentOutputDescriptor extends CommonBase {
 	 */
 	public static StaticPaymentOutputDescriptor of(OutPoint outpoint_arg, TxOut output_arg, byte[] channel_keys_id_arg, long channel_value_satoshis_arg) {
 		long ret = bindings.StaticPaymentOutputDescriptor_new(outpoint_arg == null ? 0 : outpoint_arg.ptr & ~1, output_arg.ptr, channel_keys_id_arg, channel_value_satoshis_arg);
+		if (ret < 1024) { return null; }
 		StaticPaymentOutputDescriptor ret_hu_conv = new StaticPaymentOutputDescriptor(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(outpoint_arg);
@@ -94,6 +97,7 @@ public class StaticPaymentOutputDescriptor extends CommonBase {
 	 */
 	public StaticPaymentOutputDescriptor clone() {
 		long ret = bindings.StaticPaymentOutputDescriptor_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		StaticPaymentOutputDescriptor ret_hu_conv = new StaticPaymentOutputDescriptor(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -112,6 +116,7 @@ public class StaticPaymentOutputDescriptor extends CommonBase {
 	 */
 	public static Result_StaticPaymentOutputDescriptorDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.StaticPaymentOutputDescriptor_read(ser);
+		if (ret < 1024) { return null; }
 		Result_StaticPaymentOutputDescriptorDecodeErrorZ ret_hu_conv = Result_StaticPaymentOutputDescriptorDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/TrustedCommitmentTransaction.java b/src/main/java/org/ldk/structs/TrustedCommitmentTransaction.java
index 87d691ce..5f425d94 100644
--- a/src/main/java/org/ldk/structs/TrustedCommitmentTransaction.java
+++ b/src/main/java/org/ldk/structs/TrustedCommitmentTransaction.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -36,6 +37,7 @@ public class TrustedCommitmentTransaction extends CommonBase {
 	 */
 	public BuiltCommitmentTransaction built_transaction() {
 		long ret = bindings.TrustedCommitmentTransaction_built_transaction(this.ptr);
+		if (ret < 1024) { return null; }
 		BuiltCommitmentTransaction ret_hu_conv = new BuiltCommitmentTransaction(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -46,6 +48,7 @@ public class TrustedCommitmentTransaction extends CommonBase {
 	 */
 	public TxCreationKeys keys() {
 		long ret = bindings.TrustedCommitmentTransaction_keys(this.ptr);
+		if (ret < 1024) { return null; }
 		TxCreationKeys ret_hu_conv = new TxCreationKeys(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -59,6 +62,7 @@ public class TrustedCommitmentTransaction extends CommonBase {
 	 */
 	public Result_CVec_SignatureZNoneZ get_htlc_sigs(byte[] htlc_base_key, DirectedChannelTransactionParameters channel_parameters) {
 		long ret = bindings.TrustedCommitmentTransaction_get_htlc_sigs(this.ptr, htlc_base_key, channel_parameters == null ? 0 : channel_parameters.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_CVec_SignatureZNoneZ ret_hu_conv = Result_CVec_SignatureZNoneZ.constr_from_ptr(ret);
 		this.ptrs_to.add(channel_parameters);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/TxCreationKeys.java b/src/main/java/org/ldk/structs/TxCreationKeys.java
index 50545faa..796c3b60 100644
--- a/src/main/java/org/ldk/structs/TxCreationKeys.java
+++ b/src/main/java/org/ldk/structs/TxCreationKeys.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -112,6 +113,7 @@ public class TxCreationKeys extends CommonBase {
 	 */
 	public static TxCreationKeys of(byte[] per_commitment_point_arg, byte[] revocation_key_arg, byte[] broadcaster_htlc_key_arg, byte[] countersignatory_htlc_key_arg, byte[] broadcaster_delayed_payment_key_arg) {
 		long ret = bindings.TxCreationKeys_new(per_commitment_point_arg, revocation_key_arg, broadcaster_htlc_key_arg, countersignatory_htlc_key_arg, broadcaster_delayed_payment_key_arg);
+		if (ret < 1024) { return null; }
 		TxCreationKeys ret_hu_conv = new TxCreationKeys(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -122,6 +124,7 @@ public class TxCreationKeys extends CommonBase {
 	 */
 	public TxCreationKeys clone() {
 		long ret = bindings.TxCreationKeys_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		TxCreationKeys ret_hu_conv = new TxCreationKeys(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -140,6 +143,7 @@ public class TxCreationKeys extends CommonBase {
 	 */
 	public static Result_TxCreationKeysDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.TxCreationKeys_read(ser);
+		if (ret < 1024) { return null; }
 		Result_TxCreationKeysDecodeErrorZ ret_hu_conv = Result_TxCreationKeysDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -150,6 +154,7 @@ public class TxCreationKeys extends CommonBase {
 	 */
 	public static Result_TxCreationKeysErrorZ derive_new(byte[] per_commitment_point, byte[] broadcaster_delayed_payment_base, byte[] broadcaster_htlc_base, byte[] countersignatory_revocation_base, byte[] countersignatory_htlc_base) {
 		long ret = bindings.TxCreationKeys_derive_new(per_commitment_point, broadcaster_delayed_payment_base, broadcaster_htlc_base, countersignatory_revocation_base, countersignatory_htlc_base);
+		if (ret < 1024) { return null; }
 		Result_TxCreationKeysErrorZ ret_hu_conv = Result_TxCreationKeysErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -160,6 +165,7 @@ public class TxCreationKeys extends CommonBase {
 	 */
 	public static Result_TxCreationKeysErrorZ from_channel_static_keys(byte[] per_commitment_point, ChannelPublicKeys broadcaster_keys, ChannelPublicKeys countersignatory_keys) {
 		long ret = bindings.TxCreationKeys_from_channel_static_keys(per_commitment_point, broadcaster_keys == null ? 0 : broadcaster_keys.ptr & ~1, countersignatory_keys == null ? 0 : countersignatory_keys.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_TxCreationKeysErrorZ ret_hu_conv = Result_TxCreationKeysErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(broadcaster_keys);
 		ret_hu_conv.ptrs_to.add(countersignatory_keys);
diff --git a/src/main/java/org/ldk/structs/TxOut.java b/src/main/java/org/ldk/structs/TxOut.java
index c3d2259e..80b67a24 100644
--- a/src/main/java/org/ldk/structs/TxOut.java
+++ b/src/main/java/org/ldk/structs/TxOut.java
@@ -4,13 +4,29 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 public class TxOut extends CommonBase{
-	TxOut(java.lang.Object _dummy, long ptr) { super(ptr); }
-	long to_c_ptr() { return 0; }
+	/** The script_pubkey in this output */
+	public final byte[] script_pubkey;
+	/** The value, in satoshis, of this output */
+	public final long value;
+
+	TxOut(java.lang.Object _dummy, long ptr) {
+		super(ptr);
+		this.script_pubkey = bindings.TxOut_get_script_pubkey(ptr);
+		this.value = bindings.TxOut_get_value(ptr);
+	}
+	public TxOut(long value, byte[] script_pubkey) {
+		super(bindings.TxOut_new(script_pubkey, value));
+		this.script_pubkey = bindings.TxOut_get_script_pubkey(ptr);
+		this.value = bindings.TxOut_get_value(ptr);
+	}
+
 	@Override @SuppressWarnings("deprecation")
 	protected void finalize() throws Throwable {
 		super.finalize();
 		if (ptr != 0) { bindings.TxOut_free(ptr); }
 	}
+
 }
\ No newline at end of file
diff --git a/src/main/java/org/ldk/structs/UnsignedChannelAnnouncement.java b/src/main/java/org/ldk/structs/UnsignedChannelAnnouncement.java
index daeed9d6..4f789fa4 100644
--- a/src/main/java/org/ldk/structs/UnsignedChannelAnnouncement.java
+++ b/src/main/java/org/ldk/structs/UnsignedChannelAnnouncement.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -23,6 +24,7 @@ public class UnsignedChannelAnnouncement extends CommonBase {
 	 */
 	public ChannelFeatures get_features() {
 		long ret = bindings.UnsignedChannelAnnouncement_get_features(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelFeatures ret_hu_conv = new ChannelFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -131,6 +133,7 @@ public class UnsignedChannelAnnouncement extends CommonBase {
 	 */
 	public UnsignedChannelAnnouncement clone() {
 		long ret = bindings.UnsignedChannelAnnouncement_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		UnsignedChannelAnnouncement ret_hu_conv = new UnsignedChannelAnnouncement(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -149,6 +152,7 @@ public class UnsignedChannelAnnouncement extends CommonBase {
 	 */
 	public static Result_UnsignedChannelAnnouncementDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.UnsignedChannelAnnouncement_read(ser);
+		if (ret < 1024) { return null; }
 		Result_UnsignedChannelAnnouncementDecodeErrorZ ret_hu_conv = Result_UnsignedChannelAnnouncementDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/UnsignedChannelUpdate.java b/src/main/java/org/ldk/structs/UnsignedChannelUpdate.java
index 75856587..242b5819 100644
--- a/src/main/java/org/ldk/structs/UnsignedChannelUpdate.java
+++ b/src/main/java/org/ldk/structs/UnsignedChannelUpdate.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -157,6 +158,7 @@ public class UnsignedChannelUpdate extends CommonBase {
 	 */
 	public UnsignedChannelUpdate clone() {
 		long ret = bindings.UnsignedChannelUpdate_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		UnsignedChannelUpdate ret_hu_conv = new UnsignedChannelUpdate(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -175,6 +177,7 @@ public class UnsignedChannelUpdate extends CommonBase {
 	 */
 	public static Result_UnsignedChannelUpdateDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.UnsignedChannelUpdate_read(ser);
+		if (ret < 1024) { return null; }
 		Result_UnsignedChannelUpdateDecodeErrorZ ret_hu_conv = Result_UnsignedChannelUpdateDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/UnsignedNodeAnnouncement.java b/src/main/java/org/ldk/structs/UnsignedNodeAnnouncement.java
index 3bacc584..237e4010 100644
--- a/src/main/java/org/ldk/structs/UnsignedNodeAnnouncement.java
+++ b/src/main/java/org/ldk/structs/UnsignedNodeAnnouncement.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -23,6 +24,7 @@ public class UnsignedNodeAnnouncement extends CommonBase {
 	 */
 	public NodeFeatures get_features() {
 		long ret = bindings.UnsignedNodeAnnouncement_get_features(this.ptr);
+		if (ret < 1024) { return null; }
 		NodeFeatures ret_hu_conv = new NodeFeatures(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -104,7 +106,7 @@ public class UnsignedNodeAnnouncement extends CommonBase {
 	 * List of addresses on which this node is reachable
 	 */
 	public void set_addresses(NetAddress[] val) {
-		bindings.UnsignedNodeAnnouncement_set_addresses(this.ptr, Arrays.stream(val).mapToLong(val_conv_12 -> val_conv_12.ptr).toArray());
+		bindings.UnsignedNodeAnnouncement_set_addresses(this.ptr, val != null ? Arrays.stream(val).mapToLong(val_conv_12 -> val_conv_12.ptr).toArray() : null);
 		/* TODO 2 NetAddress  */;
 	}
 
@@ -113,6 +115,7 @@ public class UnsignedNodeAnnouncement extends CommonBase {
 	 */
 	public UnsignedNodeAnnouncement clone() {
 		long ret = bindings.UnsignedNodeAnnouncement_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		UnsignedNodeAnnouncement ret_hu_conv = new UnsignedNodeAnnouncement(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -131,6 +134,7 @@ public class UnsignedNodeAnnouncement extends CommonBase {
 	 */
 	public static Result_UnsignedNodeAnnouncementDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.UnsignedNodeAnnouncement_read(ser);
+		if (ret < 1024) { return null; }
 		Result_UnsignedNodeAnnouncementDecodeErrorZ ret_hu_conv = Result_UnsignedNodeAnnouncementDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/UpdateAddHTLC.java b/src/main/java/org/ldk/structs/UpdateAddHTLC.java
index bbb40bf8..23448cd9 100644
--- a/src/main/java/org/ldk/structs/UpdateAddHTLC.java
+++ b/src/main/java/org/ldk/structs/UpdateAddHTLC.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -98,6 +99,7 @@ public class UpdateAddHTLC extends CommonBase {
 	 */
 	public UpdateAddHTLC clone() {
 		long ret = bindings.UpdateAddHTLC_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		UpdateAddHTLC ret_hu_conv = new UpdateAddHTLC(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -116,6 +118,7 @@ public class UpdateAddHTLC extends CommonBase {
 	 */
 	public static Result_UpdateAddHTLCDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.UpdateAddHTLC_read(ser);
+		if (ret < 1024) { return null; }
 		Result_UpdateAddHTLCDecodeErrorZ ret_hu_conv = Result_UpdateAddHTLCDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/UpdateFailHTLC.java b/src/main/java/org/ldk/structs/UpdateFailHTLC.java
index ab5ac687..e1126ae4 100644
--- a/src/main/java/org/ldk/structs/UpdateFailHTLC.java
+++ b/src/main/java/org/ldk/structs/UpdateFailHTLC.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -53,6 +54,7 @@ public class UpdateFailHTLC extends CommonBase {
 	 */
 	public UpdateFailHTLC clone() {
 		long ret = bindings.UpdateFailHTLC_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		UpdateFailHTLC ret_hu_conv = new UpdateFailHTLC(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -71,6 +73,7 @@ public class UpdateFailHTLC extends CommonBase {
 	 */
 	public static Result_UpdateFailHTLCDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.UpdateFailHTLC_read(ser);
+		if (ret < 1024) { return null; }
 		Result_UpdateFailHTLCDecodeErrorZ ret_hu_conv = Result_UpdateFailHTLCDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/UpdateFailMalformedHTLC.java b/src/main/java/org/ldk/structs/UpdateFailMalformedHTLC.java
index 9a6f87bd..dab67c14 100644
--- a/src/main/java/org/ldk/structs/UpdateFailMalformedHTLC.java
+++ b/src/main/java/org/ldk/structs/UpdateFailMalformedHTLC.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -68,6 +69,7 @@ public class UpdateFailMalformedHTLC extends CommonBase {
 	 */
 	public UpdateFailMalformedHTLC clone() {
 		long ret = bindings.UpdateFailMalformedHTLC_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		UpdateFailMalformedHTLC ret_hu_conv = new UpdateFailMalformedHTLC(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -86,6 +88,7 @@ public class UpdateFailMalformedHTLC extends CommonBase {
 	 */
 	public static Result_UpdateFailMalformedHTLCDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.UpdateFailMalformedHTLC_read(ser);
+		if (ret < 1024) { return null; }
 		Result_UpdateFailMalformedHTLCDecodeErrorZ ret_hu_conv = Result_UpdateFailMalformedHTLCDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/UpdateFee.java b/src/main/java/org/ldk/structs/UpdateFee.java
index 38fceb24..b9062389 100644
--- a/src/main/java/org/ldk/structs/UpdateFee.java
+++ b/src/main/java/org/ldk/structs/UpdateFee.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -53,6 +54,7 @@ public class UpdateFee extends CommonBase {
 	 */
 	public static UpdateFee of(byte[] channel_id_arg, int feerate_per_kw_arg) {
 		long ret = bindings.UpdateFee_new(channel_id_arg, feerate_per_kw_arg);
+		if (ret < 1024) { return null; }
 		UpdateFee ret_hu_conv = new UpdateFee(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -63,6 +65,7 @@ public class UpdateFee extends CommonBase {
 	 */
 	public UpdateFee clone() {
 		long ret = bindings.UpdateFee_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		UpdateFee ret_hu_conv = new UpdateFee(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -81,6 +84,7 @@ public class UpdateFee extends CommonBase {
 	 */
 	public static Result_UpdateFeeDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.UpdateFee_read(ser);
+		if (ret < 1024) { return null; }
 		Result_UpdateFeeDecodeErrorZ ret_hu_conv = Result_UpdateFeeDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/UpdateFulfillHTLC.java b/src/main/java/org/ldk/structs/UpdateFulfillHTLC.java
index 5c74f8bc..626a78df 100644
--- a/src/main/java/org/ldk/structs/UpdateFulfillHTLC.java
+++ b/src/main/java/org/ldk/structs/UpdateFulfillHTLC.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -68,6 +69,7 @@ public class UpdateFulfillHTLC extends CommonBase {
 	 */
 	public static UpdateFulfillHTLC of(byte[] channel_id_arg, long htlc_id_arg, byte[] payment_preimage_arg) {
 		long ret = bindings.UpdateFulfillHTLC_new(channel_id_arg, htlc_id_arg, payment_preimage_arg);
+		if (ret < 1024) { return null; }
 		UpdateFulfillHTLC ret_hu_conv = new UpdateFulfillHTLC(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
@@ -78,6 +80,7 @@ public class UpdateFulfillHTLC extends CommonBase {
 	 */
 	public UpdateFulfillHTLC clone() {
 		long ret = bindings.UpdateFulfillHTLC_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		UpdateFulfillHTLC ret_hu_conv = new UpdateFulfillHTLC(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -96,6 +99,7 @@ public class UpdateFulfillHTLC extends CommonBase {
 	 */
 	public static Result_UpdateFulfillHTLCDecodeErrorZ read(byte[] ser) {
 		long ret = bindings.UpdateFulfillHTLC_read(ser);
+		if (ret < 1024) { return null; }
 		Result_UpdateFulfillHTLCDecodeErrorZ ret_hu_conv = Result_UpdateFulfillHTLCDecodeErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
diff --git a/src/main/java/org/ldk/structs/UserConfig.java b/src/main/java/org/ldk/structs/UserConfig.java
index 60234317..3b1f2a90 100644
--- a/src/main/java/org/ldk/structs/UserConfig.java
+++ b/src/main/java/org/ldk/structs/UserConfig.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -26,6 +27,7 @@ public class UserConfig extends CommonBase {
 	 */
 	public ChannelHandshakeConfig get_own_channel_config() {
 		long ret = bindings.UserConfig_get_own_channel_config(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelHandshakeConfig ret_hu_conv = new ChannelHandshakeConfig(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -44,6 +46,7 @@ public class UserConfig extends CommonBase {
 	 */
 	public ChannelHandshakeLimits get_peer_channel_config_limits() {
 		long ret = bindings.UserConfig_get_peer_channel_config_limits(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelHandshakeLimits ret_hu_conv = new ChannelHandshakeLimits(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -62,6 +65,7 @@ public class UserConfig extends CommonBase {
 	 */
 	public ChannelConfig get_channel_options() {
 		long ret = bindings.UserConfig_get_channel_options(this.ptr);
+		if (ret < 1024) { return null; }
 		ChannelConfig ret_hu_conv = new ChannelConfig(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -125,6 +129,7 @@ public class UserConfig extends CommonBase {
 	 */
 	public static UserConfig of(ChannelHandshakeConfig own_channel_config_arg, ChannelHandshakeLimits peer_channel_config_limits_arg, ChannelConfig channel_options_arg, boolean accept_forwards_to_priv_channels_arg) {
 		long ret = bindings.UserConfig_new(own_channel_config_arg == null ? 0 : own_channel_config_arg.ptr & ~1, peer_channel_config_limits_arg == null ? 0 : peer_channel_config_limits_arg.ptr & ~1, channel_options_arg == null ? 0 : channel_options_arg.ptr & ~1, accept_forwards_to_priv_channels_arg);
+		if (ret < 1024) { return null; }
 		UserConfig ret_hu_conv = new UserConfig(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(own_channel_config_arg);
@@ -138,6 +143,7 @@ public class UserConfig extends CommonBase {
 	 */
 	public UserConfig clone() {
 		long ret = bindings.UserConfig_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		UserConfig ret_hu_conv = new UserConfig(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -148,6 +154,7 @@ public class UserConfig extends CommonBase {
 	 */
 	public static UserConfig with_default() {
 		long ret = bindings.UserConfig_default();
+		if (ret < 1024) { return null; }
 		UserConfig ret_hu_conv = new UserConfig(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
diff --git a/src/main/java/org/ldk/structs/UtilMethods.java b/src/main/java/org/ldk/structs/UtilMethods.java
index f2a7c07b..5d1eb7af 100644
--- a/src/main/java/org/ldk/structs/UtilMethods.java
+++ b/src/main/java/org/ldk/structs/UtilMethods.java
@@ -1,6 +1,7 @@
 package org.ldk.structs;
 import org.ldk.impl.bindings;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 import org.ldk.enums.*;
 
 public class UtilMethods {
@@ -11,6 +12,7 @@ public class UtilMethods {
 	 */
 	public static Result_StringErrorZ sign(byte[] msg, byte[] sk) {
 		long ret = bindings.sign(msg, sk);
+		if (ret < 1024) { return null; }
 		Result_StringErrorZ ret_hu_conv = Result_StringErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -18,8 +20,9 @@ public class UtilMethods {
 	/**
 	 * Recovers the PublicKey of the signer of the message given the message and the signature.
 	 */
-	public static Result_PublicKeyErrorZ recover_pk(byte[] msg, String sig) {
+	public static Result_PublicKeyErrorZ recover_pk(byte[] msg, java.lang.String sig) {
 		long ret = bindings.recover_pk(msg, sig);
+		if (ret < 1024) { return null; }
 		Result_PublicKeyErrorZ ret_hu_conv = Result_PublicKeyErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -28,7 +31,7 @@ public class UtilMethods {
 	 * Verifies a message was signed by a PrivateKey that derives to a given PublicKey, given a message, a signature,
 	 * and the PublicKey.
 	 */
-	public static boolean verify(byte[] msg, String sig, byte[] pk) {
+	public static boolean verify(byte[] msg, java.lang.String sig, byte[] pk) {
 		boolean ret = bindings.verify(msg, sig, pk);
 		return ret;
 	}
@@ -38,6 +41,7 @@ public class UtilMethods {
 	 */
 	public static Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ BlockHashChannelMonitorZ_read(byte[] ser, KeysInterface arg) {
 		long ret = bindings.C2Tuple_BlockHashChannelMonitorZ_read(ser, arg == null ? 0 : arg.ptr);
+		if (ret < 1024) { return null; }
 		Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ ret_hu_conv = Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(arg);
 		return ret_hu_conv;
@@ -47,7 +51,8 @@ public class UtilMethods {
 	 * Read a C2Tuple_BlockHashChannelManagerZ from a byte array, created by C2Tuple_BlockHashChannelManagerZ_write
 	 */
 	public static Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ BlockHashChannelManagerZ_read(byte[] ser, KeysInterface arg_keys_manager, FeeEstimator arg_fee_estimator, Watch arg_chain_monitor, BroadcasterInterface arg_tx_broadcaster, Logger arg_logger, UserConfig arg_default_config, ChannelMonitor[] arg_channel_monitors) {
-		long ret = bindings.C2Tuple_BlockHashChannelManagerZ_read(ser, bindings.ChannelManagerReadArgs_new(arg_keys_manager == null ? 0 : arg_keys_manager.ptr, arg_fee_estimator == null ? 0 : arg_fee_estimator.ptr, arg_chain_monitor == null ? 0 : arg_chain_monitor.ptr, arg_tx_broadcaster == null ? 0 : arg_tx_broadcaster.ptr, arg_logger == null ? 0 : arg_logger.ptr, arg_default_config == null ? 0 : arg_default_config.ptr & ~1, Arrays.stream(arg_channel_monitors).mapToLong(arg_channel_monitors_conv_16 -> arg_channel_monitors_conv_16 == null ? 0 : arg_channel_monitors_conv_16.ptr & ~1).toArray()));
+		long ret = bindings.C2Tuple_BlockHashChannelManagerZ_read(ser, bindings.ChannelManagerReadArgs_new(arg_keys_manager == null ? 0 : arg_keys_manager.ptr, arg_fee_estimator == null ? 0 : arg_fee_estimator.ptr, arg_chain_monitor == null ? 0 : arg_chain_monitor.ptr, arg_tx_broadcaster == null ? 0 : arg_tx_broadcaster.ptr, arg_logger == null ? 0 : arg_logger.ptr, arg_default_config == null ? 0 : arg_default_config.ptr & ~1, arg_channel_monitors != null ? Arrays.stream(arg_channel_monitors).mapToLong(arg_channel_monitors_conv_16 -> arg_channel_monitors_conv_16 == null ? 0 : arg_channel_monitors_conv_16.ptr & ~1).toArray() : null));
+		if (ret < 1024) { return null; }
 		Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ ret_hu_conv = Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(arg_keys_manager);
 		ret_hu_conv.ptrs_to.add(arg_fee_estimator);
@@ -76,6 +81,7 @@ public class UtilMethods {
 	 */
 	public static Result_SecretKeyErrorZ derive_private_key(byte[] per_commitment_point, byte[] base_secret) {
 		long ret = bindings.derive_private_key(per_commitment_point, base_secret);
+		if (ret < 1024) { return null; }
 		Result_SecretKeyErrorZ ret_hu_conv = Result_SecretKeyErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -90,6 +96,7 @@ public class UtilMethods {
 	 */
 	public static Result_PublicKeyErrorZ derive_public_key(byte[] per_commitment_point, byte[] base_point) {
 		long ret = bindings.derive_public_key(per_commitment_point, base_point);
+		if (ret < 1024) { return null; }
 		Result_PublicKeyErrorZ ret_hu_conv = Result_PublicKeyErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -107,6 +114,7 @@ public class UtilMethods {
 	 */
 	public static Result_SecretKeyErrorZ derive_private_revocation_key(byte[] per_commitment_secret, byte[] countersignatory_revocation_base_secret) {
 		long ret = bindings.derive_private_revocation_key(per_commitment_secret, countersignatory_revocation_base_secret);
+		if (ret < 1024) { return null; }
 		Result_SecretKeyErrorZ ret_hu_conv = Result_SecretKeyErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -126,6 +134,7 @@ public class UtilMethods {
 	 */
 	public static Result_PublicKeyErrorZ derive_public_revocation_key(byte[] per_commitment_point, byte[] countersignatory_revocation_base_point) {
 		long ret = bindings.derive_public_revocation_key(per_commitment_point, countersignatory_revocation_base_point);
+		if (ret < 1024) { return null; }
 		Result_PublicKeyErrorZ ret_hu_conv = Result_PublicKeyErrorZ.constr_from_ptr(ret);
 		return ret_hu_conv;
 	}
@@ -208,9 +217,13 @@ public class UtilMethods {
 	 * The fees on channels from us to next-hops are ignored (as they are assumed to all be
 	 * equal), however the enabled/disabled bit on such channels as well as the
 	 * htlc_minimum_msat/htlc_maximum_msat *are* checked as they may change based on the receiving node.
+	 * 
+	 * Note that payee_features (or a relevant inner pointer) may be NULL or all-0s to represent None
+	 * Note that first_hops (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public static Result_RouteLightningErrorZ get_route(byte[] our_node_id, NetworkGraph network, byte[] payee, InvoiceFeatures payee_features, ChannelDetails[] first_hops, RouteHint[] last_hops, long final_value_msat, int final_cltv, Logger logger) {
-		long ret = bindings.get_route(our_node_id, network == null ? 0 : network.ptr & ~1, payee, payee_features == null ? 0 : payee_features.ptr & ~1, Arrays.stream(first_hops).mapToLong(first_hops_conv_16 -> first_hops_conv_16 == null ? 0 : first_hops_conv_16.ptr & ~1).toArray(), Arrays.stream(last_hops).mapToLong(last_hops_conv_11 -> last_hops_conv_11 == null ? 0 : last_hops_conv_11.ptr & ~1).toArray(), final_value_msat, final_cltv, logger == null ? 0 : logger.ptr);
+	public static Result_RouteLightningErrorZ get_route(byte[] our_node_id, NetworkGraph network, byte[] payee, @Nullable InvoiceFeatures payee_features, @Nullable ChannelDetails[] first_hops, RouteHint[] last_hops, long final_value_msat, int final_cltv, Logger logger) {
+		long ret = bindings.get_route(our_node_id, network == null ? 0 : network.ptr & ~1, payee, payee_features == null ? 0 : payee_features.ptr & ~1, first_hops != null ? Arrays.stream(first_hops).mapToLong(first_hops_conv_16 -> first_hops_conv_16 == null ? 0 : first_hops_conv_16.ptr & ~1).toArray() : null, last_hops != null ? Arrays.stream(last_hops).mapToLong(last_hops_conv_11 -> last_hops_conv_11 == null ? 0 : last_hops_conv_11.ptr & ~1).toArray() : null, final_value_msat, final_cltv, logger == null ? 0 : logger.ptr);
+		if (ret < 1024) { return null; }
 		Result_RouteLightningErrorZ ret_hu_conv = Result_RouteLightningErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(network);
 		ret_hu_conv.ptrs_to.add(payee_features);
@@ -224,8 +237,9 @@ public class UtilMethods {
 	 * Writes the provided `ChannelManager` to the path provided at `FilesystemPersister`
 	 * initialization, within a file called \"manager\".
 	 */
-	public static Result_NoneErrorZ FilesystemPersister_persist_manager(String data_dir, ChannelManager manager) {
+	public static Result_NoneErrorZ FilesystemPersister_persist_manager(java.lang.String data_dir, ChannelManager manager) {
 		long ret = bindings.FilesystemPersister_persist_manager(data_dir, manager == null ? 0 : manager.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NoneErrorZ ret_hu_conv = Result_NoneErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(manager);
 		return ret_hu_conv;
@@ -238,8 +252,9 @@ public class UtilMethods {
 	 * doesn't have to store preimage/payment secret information and (b) `ChannelManager` can verify
 	 * that the payment secret is valid when the invoice is paid.
 	 */
-	public static Result_InvoiceSignOrCreationErrorZ create_invoice_from_channelmanager(ChannelManager channelmanager, KeysInterface keys_manager, Currency network, Option_u64Z amt_msat, String description) {
+	public static Result_InvoiceSignOrCreationErrorZ create_invoice_from_channelmanager(ChannelManager channelmanager, KeysInterface keys_manager, org.ldk.enums.Currency network, Option_u64Z amt_msat, java.lang.String description) {
 		long ret = bindings.create_invoice_from_channelmanager(channelmanager == null ? 0 : channelmanager.ptr & ~1, keys_manager == null ? 0 : keys_manager.ptr, network, amt_msat.ptr, description);
+		if (ret < 1024) { return null; }
 		Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(channelmanager);
 		ret_hu_conv.ptrs_to.add(keys_manager);
diff --git a/src/main/java/org/ldk/structs/Watch.java b/src/main/java/org/ldk/structs/Watch.java
index d560838a..015f7e4f 100644
--- a/src/main/java/org/ldk/structs/Watch.java
+++ b/src/main/java/org/ldk/structs/Watch.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 /**
  * The `Watch` trait defines behavior for watching on-chain activity pertaining to channels as
@@ -95,7 +96,7 @@ public class Watch extends CommonBase {
 			}
 			@Override public long[] release_pending_monitor_events() {
 				MonitorEvent[] ret = arg.release_pending_monitor_events();
-				long[] result = Arrays.stream(ret).mapToLong(ret_conv_14 -> ret_conv_14.ptr).toArray();
+				long[] result = ret != null ? Arrays.stream(ret).mapToLong(ret_conv_14 -> ret_conv_14.ptr).toArray() : null;
 				/* TODO 2 MonitorEvent  */;
 				return result;
 			}
@@ -115,6 +116,7 @@ public class Watch extends CommonBase {
 	 */
 	public Result_NoneChannelMonitorUpdateErrZ watch_channel(OutPoint funding_txo, ChannelMonitor monitor) {
 		long ret = bindings.Watch_watch_channel(this.ptr, funding_txo == null ? 0 : funding_txo.ptr & ~1, monitor == null ? 0 : monitor.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NoneChannelMonitorUpdateErrZ ret_hu_conv = Result_NoneChannelMonitorUpdateErrZ.constr_from_ptr(ret);
 		this.ptrs_to.add(funding_txo);
 		this.ptrs_to.add(monitor);
@@ -132,6 +134,7 @@ public class Watch extends CommonBase {
 	 */
 	public Result_NoneChannelMonitorUpdateErrZ update_channel(OutPoint funding_txo, ChannelMonitorUpdate update) {
 		long ret = bindings.Watch_update_channel(this.ptr, funding_txo == null ? 0 : funding_txo.ptr & ~1, update == null ? 0 : update.ptr & ~1);
+		if (ret < 1024) { return null; }
 		Result_NoneChannelMonitorUpdateErrZ ret_hu_conv = Result_NoneChannelMonitorUpdateErrZ.constr_from_ptr(ret);
 		this.ptrs_to.add(funding_txo);
 		this.ptrs_to.add(update);
diff --git a/src/main/java/org/ldk/structs/WatchedOutput.java b/src/main/java/org/ldk/structs/WatchedOutput.java
index 55c7a418..bb38965a 100644
--- a/src/main/java/org/ldk/structs/WatchedOutput.java
+++ b/src/main/java/org/ldk/structs/WatchedOutput.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -30,7 +31,10 @@ public class WatchedOutput extends CommonBase {
 
 	/**
 	 * First block where the transaction output may have been spent.
+	 * 
+	 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
+	@Nullable
 	public byte[] get_block_hash() {
 		byte[] ret = bindings.WatchedOutput_get_block_hash(this.ptr);
 		return ret;
@@ -38,8 +42,10 @@ public class WatchedOutput extends CommonBase {
 
 	/**
 	 * First block where the transaction output may have been spent.
+	 * 
+	 * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None
 	 */
-	public void set_block_hash(byte[] val) {
+	public void set_block_hash(@Nullable byte[] val) {
 		bindings.WatchedOutput_set_block_hash(this.ptr, val);
 	}
 
@@ -48,6 +54,7 @@ public class WatchedOutput extends CommonBase {
 	 */
 	public OutPoint get_outpoint() {
 		long ret = bindings.WatchedOutput_get_outpoint(this.ptr);
+		if (ret < 1024) { return null; }
 		OutPoint ret_hu_conv = new OutPoint(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
@@ -81,6 +88,7 @@ public class WatchedOutput extends CommonBase {
 	 */
 	public static WatchedOutput of(byte[] block_hash_arg, OutPoint outpoint_arg, byte[] script_pubkey_arg) {
 		long ret = bindings.WatchedOutput_new(block_hash_arg, outpoint_arg == null ? 0 : outpoint_arg.ptr & ~1, script_pubkey_arg);
+		if (ret < 1024) { return null; }
 		WatchedOutput ret_hu_conv = new WatchedOutput(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(outpoint_arg);
@@ -92,6 +100,7 @@ public class WatchedOutput extends CommonBase {
 	 */
 	public WatchedOutput clone() {
 		long ret = bindings.WatchedOutput_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		WatchedOutput ret_hu_conv = new WatchedOutput(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
diff --git a/src/main/jni/bindings.c b/src/main/jni/bindings.c
index b71fa7be..fa9b3853 100644
--- a/src/main/jni/bindings.c
+++ b/src/main/jni/bindings.c
@@ -133,7 +133,7 @@ static inline LDKStr java_to_owned_str(JNIEnv *env, jstring str) {
 }
 
 JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_get_1lib_1version_1string(JNIEnv *env, jclass _c) {
-	return str_ref_to_java(env, "v0.0.99.1", strlen("v0.0.99.1"));
+	return str_ref_to_java(env, "v0.0.99.2", strlen("v0.0.99.2"));
 }
 JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_get_1ldk_1c_1bindings_1version(JNIEnv *env, jclass _c) {
 	return str_ref_to_java(env, check_get_ldk_bindings_version(), strlen(check_get_ldk_bindings_version()));
@@ -732,6 +732,21 @@ static inline LDKCVec_u8Z CVec_u8Z_clone(const LDKCVec_u8Z *orig) {
 	memcpy(ret.data, orig->data, sizeof(int8_t) * ret.datalen);
 	return ret;
 }
+struct LDKCVec_u8Z TxOut_get_script_pubkey (struct LDKTxOut* thing) {	return CVec_u8Z_clone(&thing->script_pubkey);}JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_TxOut_1get_1script_1pubkey(JNIEnv *env, jclass clz, int64_t thing) {
+	LDKTxOut* thing_conv = (LDKTxOut*)(thing & ~1);
+	LDKCVec_u8Z ret_var = TxOut_get_script_pubkey(thing_conv);
+	int8_tArray ret_arr = (*env)->NewByteArray(env, ret_var.datalen);
+	(*env)->SetByteArrayRegion(env, ret_arr, 0, ret_var.datalen, ret_var.data);
+	CVec_u8Z_free(ret_var);
+	return ret_arr;
+}
+
+uint64_t TxOut_get_value (struct LDKTxOut* thing) {	return thing->value;}JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxOut_1get_1value(JNIEnv *env, jclass clz, int64_t thing) {
+	LDKTxOut* thing_conv = (LDKTxOut*)(thing & ~1);
+	int64_t ret_val = TxOut_get_value(thing_conv);
+	return ret_val;
+}
+
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_LDKCResult_1SecretKeyErrorZ_1result_1ok(JNIEnv *env, jclass clz, int64_t arg) {
 	return ((LDKCResult_SecretKeyErrorZ*)arg)->result_ok;
 }
@@ -2471,11 +2486,6 @@ void ready_channel_LDKBaseSign_jcall(void* this_arg, const LDKChannelTransaction
 		DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
 	}
 }
-static void* LDKBaseSign_JCalls_clone(const void* this_arg) {
-	LDKBaseSign_JCalls *j_calls = (LDKBaseSign_JCalls*) this_arg;
-	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
-}
 static inline LDKBaseSign LDKBaseSign_init (JNIEnv *env, jclass clz, jobject o, int64_t pubkeys) {
 	jclass c = (*env)->GetObjectClass(env, o);
 	CHECK(c != NULL);
@@ -2725,11 +2735,10 @@ LDKCVec_u8Z write_LDKSign_jcall(const void* this_arg) {
 	}
 	return ret_ref;
 }
-static void* LDKSign_JCalls_clone(const void* this_arg) {
-	LDKSign_JCalls *j_calls = (LDKSign_JCalls*) this_arg;
+static void LDKSign_JCalls_cloned(LDKSign* new_obj) {
+	LDKSign_JCalls *j_calls = (LDKSign_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
 	atomic_fetch_add_explicit(&j_calls->BaseSign->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKSign LDKSign_init (JNIEnv *env, jclass clz, jobject o, jobject BaseSign, int64_t pubkeys) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -2749,7 +2758,7 @@ static inline LDKSign LDKSign_init (JNIEnv *env, jclass clz, jobject o, jobject
 	LDKSign ret = {
 		.this_arg = (void*) calls,
 		.write = write_LDKSign_jcall,
-		.clone = LDKSign_JCalls_clone,
+		.cloned = LDKSign_JCalls_cloned,
 		.free = LDKSign_JCalls_free,
 		.BaseSign = LDKBaseSign_init(env, clz, BaseSign, pubkeys),
 	};
@@ -2761,6 +2770,12 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKSign_1new(JNIEnv *env, j
 	*res_ptr = LDKSign_init(env, clz, o, BaseSign, pubkeys);
 	return (uint64_t)res_ptr;
 }
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKSign_1get_1BaseSign(JNIEnv *env, jclass clz, int64_t arg) {
+	LDKSign *inp = (LDKSign *)(arg & ~1);
+	uint64_t res_ptr = (uint64_t)&inp->BaseSign;
+	DO_ASSERT((res_ptr & 1) == 0);
+	return (int64_t)(res_ptr | 1);
+}
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Sign_1write(JNIEnv *env, jclass clz, int64_t this_arg) {
 	LDKSign* this_arg_conv = (LDKSign*)(((uint64_t)this_arg) & ~1);
 	LDKCVec_u8Z ret_var = (this_arg_conv->write)(this_arg_conv->this_arg);
@@ -3493,10 +3508,9 @@ LDKCVec_MonitorEventZ release_pending_monitor_events_LDKWatch_jcall(const void*
 	}
 	return ret_constr;
 }
-static void* LDKWatch_JCalls_clone(const void* this_arg) {
-	LDKWatch_JCalls *j_calls = (LDKWatch_JCalls*) this_arg;
+static void LDKWatch_JCalls_cloned(LDKWatch* new_obj) {
+	LDKWatch_JCalls *j_calls = (LDKWatch_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKWatch LDKWatch_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -3619,10 +3633,9 @@ void broadcast_transaction_LDKBroadcasterInterface_jcall(const void* this_arg, L
 		DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
 	}
 }
-static void* LDKBroadcasterInterface_JCalls_clone(const void* this_arg) {
-	LDKBroadcasterInterface_JCalls *j_calls = (LDKBroadcasterInterface_JCalls*) this_arg;
+static void LDKBroadcasterInterface_JCalls_cloned(LDKBroadcasterInterface* new_obj) {
+	LDKBroadcasterInterface_JCalls *j_calls = (LDKBroadcasterInterface_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKBroadcasterInterface LDKBroadcasterInterface_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -3858,10 +3871,9 @@ LDKCResult_RecoverableSignatureNoneZ sign_invoice_LDKKeysInterface_jcall(const v
 	}
 	return ret_conv;
 }
-static void* LDKKeysInterface_JCalls_clone(const void* this_arg) {
-	LDKKeysInterface_JCalls *j_calls = (LDKKeysInterface_JCalls*) this_arg;
+static void LDKKeysInterface_JCalls_cloned(LDKKeysInterface* new_obj) {
+	LDKKeysInterface_JCalls *j_calls = (LDKKeysInterface_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKKeysInterface LDKKeysInterface_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -4007,10 +4019,9 @@ uint32_t get_est_sat_per_1000_weight_LDKFeeEstimator_jcall(const void* this_arg,
 	}
 	return ret;
 }
-static void* LDKFeeEstimator_JCalls_clone(const void* this_arg) {
-	LDKFeeEstimator_JCalls *j_calls = (LDKFeeEstimator_JCalls*) this_arg;
+static void LDKFeeEstimator_JCalls_cloned(LDKFeeEstimator* new_obj) {
+	LDKFeeEstimator_JCalls *j_calls = (LDKFeeEstimator_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKFeeEstimator LDKFeeEstimator_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -4086,10 +4097,9 @@ void log_LDKLogger_jcall(const void* this_arg, const char* record) {
 		DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
 	}
 }
-static void* LDKLogger_JCalls_clone(const void* this_arg) {
-	LDKLogger_JCalls *j_calls = (LDKLogger_JCalls*) this_arg;
+static void LDKLogger_JCalls_cloned(LDKLogger* new_obj) {
+	LDKLogger_JCalls *j_calls = (LDKLogger_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKLogger LDKLogger_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -6140,10 +6150,9 @@ LDKCVec_MessageSendEventZ get_and_clear_pending_msg_events_LDKMessageSendEventsP
 	}
 	return ret_constr;
 }
-static void* LDKMessageSendEventsProvider_JCalls_clone(const void* this_arg) {
-	LDKMessageSendEventsProvider_JCalls *j_calls = (LDKMessageSendEventsProvider_JCalls*) this_arg;
+static void LDKMessageSendEventsProvider_JCalls_cloned(LDKMessageSendEventsProvider* new_obj) {
+	LDKMessageSendEventsProvider_JCalls *j_calls = (LDKMessageSendEventsProvider_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKMessageSendEventsProvider LDKMessageSendEventsProvider_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -6229,10 +6238,9 @@ void handle_event_LDKEventHandler_jcall(const void* this_arg, LDKEvent event) {
 		DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
 	}
 }
-static void* LDKEventHandler_JCalls_clone(const void* this_arg) {
-	LDKEventHandler_JCalls *j_calls = (LDKEventHandler_JCalls*) this_arg;
+static void LDKEventHandler_JCalls_cloned(LDKEventHandler* new_obj) {
+	LDKEventHandler_JCalls *j_calls = (LDKEventHandler_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKEventHandler LDKEventHandler_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -6307,10 +6315,9 @@ void process_pending_events_LDKEventsProvider_jcall(const void* this_arg, LDKEve
 		DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
 	}
 }
-static void* LDKEventsProvider_JCalls_clone(const void* this_arg) {
-	LDKEventsProvider_JCalls *j_calls = (LDKEventsProvider_JCalls*) this_arg;
+static void LDKEventsProvider_JCalls_cloned(LDKEventsProvider* new_obj) {
+	LDKEventsProvider_JCalls *j_calls = (LDKEventsProvider_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKEventsProvider LDKEventsProvider_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -6339,7 +6346,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_EventsProvider_1process_1pendi
 	LDKEventHandler handler_conv = *(LDKEventHandler*)(((uint64_t)handler) & ~1);
 	if (handler_conv.free == LDKEventHandler_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKEventHandler_JCalls_clone(handler_conv.this_arg);
+		LDKEventHandler_JCalls_cloned(&handler_conv);
 	}
 	(this_arg_conv->process_pending_events)(this_arg_conv->this_arg, handler_conv);
 }
@@ -6392,10 +6399,9 @@ LDKCResult_TxOutAccessErrorZ get_utxo_LDKAccess_jcall(const void* this_arg, cons
 	}
 	return ret_conv;
 }
-static void* LDKAccess_JCalls_clone(const void* this_arg) {
-	LDKAccess_JCalls *j_calls = (LDKAccess_JCalls*) this_arg;
+static void LDKAccess_JCalls_cloned(LDKAccess* new_obj) {
+	LDKAccess_JCalls *j_calls = (LDKAccess_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKAccess LDKAccess_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -6499,10 +6505,9 @@ void block_disconnected_LDKListen_jcall(const void* this_arg, const uint8_t (* h
 		DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
 	}
 }
-static void* LDKListen_JCalls_clone(const void* this_arg) {
-	LDKListen_JCalls *j_calls = (LDKListen_JCalls*) this_arg;
+static void LDKListen_JCalls_cloned(LDKListen* new_obj) {
+	LDKListen_JCalls *j_calls = (LDKListen_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKListen LDKListen_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -6683,10 +6688,9 @@ LDKCVec_TxidZ get_relevant_txids_LDKConfirm_jcall(const void* this_arg) {
 	}
 	return ret_constr;
 }
-static void* LDKConfirm_JCalls_clone(const void* this_arg) {
-	LDKConfirm_JCalls *j_calls = (LDKConfirm_JCalls*) this_arg;
+static void LDKConfirm_JCalls_cloned(LDKConfirm* new_obj) {
+	LDKConfirm_JCalls *j_calls = (LDKConfirm_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKConfirm LDKConfirm_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -6853,10 +6857,9 @@ LDKCOption_C2Tuple_usizeTransactionZZ register_output_LDKFilter_jcall(const void
 	}
 	return ret_conv;
 }
-static void* LDKFilter_JCalls_clone(const void* this_arg) {
-	LDKFilter_JCalls *j_calls = (LDKFilter_JCalls*) this_arg;
+static void LDKFilter_JCalls_cloned(LDKFilter* new_obj) {
+	LDKFilter_JCalls *j_calls = (LDKFilter_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKFilter LDKFilter_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -7016,10 +7019,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_persisted_channel_LDKPersist_jcal
 	}
 	return ret_conv;
 }
-static void* LDKPersist_JCalls_clone(const void* this_arg) {
-	LDKPersist_JCalls *j_calls = (LDKPersist_JCalls*) this_arg;
+static void LDKPersist_JCalls_cloned(LDKPersist* new_obj) {
+	LDKPersist_JCalls *j_calls = (LDKPersist_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKPersist LDKPersist_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -7734,11 +7736,10 @@ void handle_error_LDKChannelMessageHandler_jcall(const void* this_arg, LDKPublic
 		DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
 	}
 }
-static void* LDKChannelMessageHandler_JCalls_clone(const void* this_arg) {
-	LDKChannelMessageHandler_JCalls *j_calls = (LDKChannelMessageHandler_JCalls*) this_arg;
+static void LDKChannelMessageHandler_JCalls_cloned(LDKChannelMessageHandler* new_obj) {
+	LDKChannelMessageHandler_JCalls *j_calls = (LDKChannelMessageHandler_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
 	atomic_fetch_add_explicit(&j_calls->MessageSendEventsProvider->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKChannelMessageHandler LDKChannelMessageHandler_init (JNIEnv *env, jclass clz, jobject o, jobject MessageSendEventsProvider) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -7821,6 +7822,12 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKChannelMessageHandler_1n
 	*res_ptr = LDKChannelMessageHandler_init(env, clz, o, MessageSendEventsProvider);
 	return (uint64_t)res_ptr;
 }
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKChannelMessageHandler_1get_1MessageSendEventsProvider(JNIEnv *env, jclass clz, int64_t arg) {
+	LDKChannelMessageHandler *inp = (LDKChannelMessageHandler *)(arg & ~1);
+	uint64_t res_ptr = (uint64_t)&inp->MessageSendEventsProvider;
+	DO_ASSERT((res_ptr & 1) == 0);
+	return (int64_t)(res_ptr | 1);
+}
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1open_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t their_features, int64_t msg) {
 	LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
 	LDKPublicKey their_node_id_ref;
@@ -8429,11 +8436,10 @@ LDKCResult_NoneLightningErrorZ handle_query_short_channel_ids_LDKRoutingMessageH
 	}
 	return ret_conv;
 }
-static void* LDKRoutingMessageHandler_JCalls_clone(const void* this_arg) {
-	LDKRoutingMessageHandler_JCalls *j_calls = (LDKRoutingMessageHandler_JCalls*) this_arg;
+static void LDKRoutingMessageHandler_JCalls_cloned(LDKRoutingMessageHandler* new_obj) {
+	LDKRoutingMessageHandler_JCalls *j_calls = (LDKRoutingMessageHandler_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
 	atomic_fetch_add_explicit(&j_calls->MessageSendEventsProvider->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKRoutingMessageHandler LDKRoutingMessageHandler_init (JNIEnv *env, jclass clz, jobject o, jobject MessageSendEventsProvider) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -8489,6 +8495,12 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKRoutingMessageHandler_1n
 	*res_ptr = LDKRoutingMessageHandler_init(env, clz, o, MessageSendEventsProvider);
 	return (uint64_t)res_ptr;
 }
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKRoutingMessageHandler_1get_1MessageSendEventsProvider(JNIEnv *env, jclass clz, int64_t arg) {
+	LDKRoutingMessageHandler *inp = (LDKRoutingMessageHandler *)(arg & ~1);
+	uint64_t res_ptr = (uint64_t)&inp->MessageSendEventsProvider;
+	DO_ASSERT((res_ptr & 1) == 0);
+	return (int64_t)(res_ptr | 1);
+}
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1node_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
 	LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
 	LDKNodeAnnouncement msg_conv;
@@ -8744,10 +8756,9 @@ uint64_t hash_LDKSocketDescriptor_jcall(const void* this_arg) {
 	}
 	return ret;
 }
-static void* LDKSocketDescriptor_JCalls_clone(const void* this_arg) {
-	LDKSocketDescriptor_JCalls *j_calls = (LDKSocketDescriptor_JCalls*) this_arg;
+static void LDKSocketDescriptor_JCalls_cloned(LDKSocketDescriptor* new_obj) {
+	LDKSocketDescriptor_JCalls *j_calls = (LDKSocketDescriptor_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKSocketDescriptor LDKSocketDescriptor_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -8771,7 +8782,7 @@ static inline LDKSocketDescriptor LDKSocketDescriptor_init (JNIEnv *env, jclass
 		.disconnect_socket = disconnect_socket_LDKSocketDescriptor_jcall,
 		.eq = eq_LDKSocketDescriptor_jcall,
 		.hash = hash_LDKSocketDescriptor_jcall,
-		.clone = LDKSocketDescriptor_JCalls_clone,
+		.cloned = LDKSocketDescriptor_JCalls_cloned,
 		.free = LDKSocketDescriptor_JCalls_free,
 	};
 	return ret;
@@ -8856,10 +8867,9 @@ LDKCResult_NoneErrorZ persist_manager_LDKChannelManagerPersister_jcall(const voi
 	}
 	return ret_conv;
 }
-static void* LDKChannelManagerPersister_JCalls_clone(const void* this_arg) {
-	LDKChannelManagerPersister_JCalls *j_calls = (LDKChannelManagerPersister_JCalls*) this_arg;
+static void LDKChannelManagerPersister_JCalls_cloned(LDKChannelManagerPersister* new_obj) {
+	LDKChannelManagerPersister_JCalls *j_calls = (LDKChannelManagerPersister_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKChannelManagerPersister LDKChannelManagerPersister_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -8942,12 +8952,14 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKFallback_1ref_1from_1ptr
 JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings__1ldk_1get_1compiled_1version(JNIEnv *env, jclass clz) {
 	LDKStr ret_str = _ldk_get_compiled_version();
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
 JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings__1ldk_1c_1bindings_1get_1compiled_1version(JNIEnv *env, jclass clz) {
 	LDKStr ret_str = _ldk_c_bindings_get_compiled_version();
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -8960,6 +8972,16 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Transaction_1free(JNIEnv *env,
 	Transaction_free(_res_ref);
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxOut_1new(JNIEnv *env, jclass clz, int8_tArray script_pubkey, int64_t value) {
+	LDKCVec_u8Z script_pubkey_ref;
+	script_pubkey_ref.datalen = (*env)->GetArrayLength(env, script_pubkey);
+	script_pubkey_ref.data = MALLOC(script_pubkey_ref.datalen, "LDKCVec_u8Z Bytes");
+	(*env)->GetByteArrayRegion(env, script_pubkey, 0, script_pubkey_ref.datalen, script_pubkey_ref.data);
+	LDKTxOut* ret_ref = MALLOC(sizeof(LDKTxOut), "LDKTxOut");
+	*ret_ref = TxOut_new(script_pubkey_ref, value);
+	return (uint64_t)ret_ref;
+}
+
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_TxOut_1free(JNIEnv *env, jclass clz, int64_t _res) {
 	if ((_res & 1) != 0) return;
 	LDKTxOut _res_conv = *(LDKTxOut*)(((uint64_t)_res) & ~1);
@@ -10189,7 +10211,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1
 	LDKSign o_conv = *(LDKSign*)(((uint64_t)o) & ~1);
 	if (o_conv.free == LDKSign_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKSign_JCalls_clone(o_conv.this_arg);
+		LDKSign_JCalls_cloned(&o_conv);
 	}
 	LDKCResult_SignDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SignDecodeErrorZ), "LDKCResult_SignDecodeErrorZ");
 	*ret_conv = CResult_SignDecodeErrorZ_ok(o_conv);
@@ -13268,6 +13290,84 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1clone(JNIEnv *env, j
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1funding_1generation_1ready(JNIEnv *env, jclass clz, int8_tArray temporary_channel_id, int64_t channel_value_satoshis, int8_tArray output_script, int64_t user_channel_id) {
+	LDKThirtyTwoBytes temporary_channel_id_ref;
+	CHECK((*env)->GetArrayLength(env, temporary_channel_id) == 32);
+	(*env)->GetByteArrayRegion(env, temporary_channel_id, 0, 32, temporary_channel_id_ref.data);
+	LDKCVec_u8Z output_script_ref;
+	output_script_ref.datalen = (*env)->GetArrayLength(env, output_script);
+	output_script_ref.data = MALLOC(output_script_ref.datalen, "LDKCVec_u8Z Bytes");
+	(*env)->GetByteArrayRegion(env, output_script, 0, output_script_ref.datalen, output_script_ref.data);
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_funding_generation_ready(temporary_channel_id_ref, channel_value_satoshis, output_script_ref, user_channel_id);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1received(JNIEnv *env, jclass clz, int8_tArray payment_hash, int8_tArray payment_preimage, int8_tArray payment_secret, int64_t amt, int64_t user_payment_id) {
+	LDKThirtyTwoBytes payment_hash_ref;
+	CHECK((*env)->GetArrayLength(env, payment_hash) == 32);
+	(*env)->GetByteArrayRegion(env, payment_hash, 0, 32, payment_hash_ref.data);
+	LDKThirtyTwoBytes payment_preimage_ref;
+	CHECK((*env)->GetArrayLength(env, payment_preimage) == 32);
+	(*env)->GetByteArrayRegion(env, payment_preimage, 0, 32, payment_preimage_ref.data);
+	LDKThirtyTwoBytes payment_secret_ref;
+	CHECK((*env)->GetArrayLength(env, payment_secret) == 32);
+	(*env)->GetByteArrayRegion(env, payment_secret, 0, 32, payment_secret_ref.data);
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_payment_received(payment_hash_ref, payment_preimage_ref, payment_secret_ref, amt, user_payment_id);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1sent(JNIEnv *env, jclass clz, int8_tArray payment_preimage) {
+	LDKThirtyTwoBytes payment_preimage_ref;
+	CHECK((*env)->GetArrayLength(env, payment_preimage) == 32);
+	(*env)->GetByteArrayRegion(env, payment_preimage, 0, 32, payment_preimage_ref.data);
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_payment_sent(payment_preimage_ref);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1failed(JNIEnv *env, jclass clz, int8_tArray payment_hash, jboolean rejected_by_dest) {
+	LDKThirtyTwoBytes payment_hash_ref;
+	CHECK((*env)->GetArrayLength(env, payment_hash) == 32);
+	(*env)->GetByteArrayRegion(env, payment_hash, 0, 32, payment_hash_ref.data);
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_payment_failed(payment_hash_ref, rejected_by_dest);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1pending_1htlcs_1forwardable(JNIEnv *env, jclass clz, int64_t time_forwardable) {
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_pending_htlcs_forwardable(time_forwardable);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1spendable_1outputs(JNIEnv *env, jclass clz, int64_tArray outputs) {
+	LDKCVec_SpendableOutputDescriptorZ outputs_constr;
+	outputs_constr.datalen = (*env)->GetArrayLength(env, outputs);
+	if (outputs_constr.datalen > 0)
+		outputs_constr.data = MALLOC(outputs_constr.datalen * sizeof(LDKSpendableOutputDescriptor), "LDKCVec_SpendableOutputDescriptorZ Elements");
+	else
+		outputs_constr.data = NULL;
+	int64_t* outputs_vals = (*env)->GetLongArrayElements (env, outputs, NULL);
+	for (size_t b = 0; b < outputs_constr.datalen; b++) {
+		int64_t outputs_conv_27 = outputs_vals[b];
+		LDKSpendableOutputDescriptor outputs_conv_27_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)outputs_conv_27) & ~1);
+		outputs_conv_27_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)outputs_conv_27) & ~1));
+		outputs_constr.data[b] = outputs_conv_27_conv;
+	}
+	(*env)->ReleaseLongArrayElements(env, outputs, outputs_vals, 0);
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_spendable_outputs(outputs_constr);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Event_1write(JNIEnv *env, jclass clz, int64_t obj) {
 	LDKEvent* obj_conv = (LDKEvent*)obj;
 	LDKCVec_u8Z ret_var = Event_write(obj_conv);
@@ -13292,6 +13392,272 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1clone(JNI
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1accept_1channel(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKAcceptChannel msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = AcceptChannel_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_accept_channel(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1open_1channel(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKOpenChannel msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = OpenChannel_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_open_channel(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1funding_1created(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKFundingCreated msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = FundingCreated_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_funding_created(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1funding_1signed(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKFundingSigned msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = FundingSigned_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_funding_signed(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1funding_1locked(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKFundingLocked msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = FundingLocked_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_funding_locked(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1announcement_1signatures(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKAnnouncementSignatures msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = AnnouncementSignatures_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_announcement_signatures(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1update_1htlcs(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t updates) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKCommitmentUpdate updates_conv;
+	updates_conv.inner = (void*)(updates & (~1));
+	updates_conv.is_owned = (updates & 1) || (updates == 0);
+	updates_conv = CommitmentUpdate_clone(&updates_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_update_htlcs(node_id_ref, updates_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1revoke_1and_1ack(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKRevokeAndACK msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = RevokeAndACK_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_revoke_and_ack(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1closing_1signed(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKClosingSigned msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ClosingSigned_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_closing_signed(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1shutdown(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKShutdown msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = Shutdown_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_shutdown(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1channel_1reestablish(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKChannelReestablish msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelReestablish_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_channel_reestablish(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1broadcast_1channel_1announcement(JNIEnv *env, jclass clz, int64_t msg, int64_t update_msg) {
+	LDKChannelAnnouncement msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelAnnouncement_clone(&msg_conv);
+	LDKChannelUpdate update_msg_conv;
+	update_msg_conv.inner = (void*)(update_msg & (~1));
+	update_msg_conv.is_owned = (update_msg & 1) || (update_msg == 0);
+	update_msg_conv = ChannelUpdate_clone(&update_msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_broadcast_channel_announcement(msg_conv, update_msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1broadcast_1node_1announcement(JNIEnv *env, jclass clz, int64_t msg) {
+	LDKNodeAnnouncement msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = NodeAnnouncement_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_broadcast_node_announcement(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1broadcast_1channel_1update(JNIEnv *env, jclass clz, int64_t msg) {
+	LDKChannelUpdate msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelUpdate_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_broadcast_channel_update(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1channel_1update(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKChannelUpdate msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelUpdate_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_channel_update(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1handle_1error(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t action) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKErrorAction action_conv = *(LDKErrorAction*)(((uint64_t)action) & ~1);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_handle_error(node_id_ref, action_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1payment_1failure_1network_1update(JNIEnv *env, jclass clz, int64_t update) {
+	LDKHTLCFailChannelUpdate update_conv = *(LDKHTLCFailChannelUpdate*)(((uint64_t)update) & ~1);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_payment_failure_network_update(update_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1channel_1range_1query(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKQueryChannelRange msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = QueryChannelRange_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_channel_range_query(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1short_1ids_1query(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKQueryShortChannelIds msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = QueryShortChannelIds_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_short_ids_query(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1reply_1channel_1range(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKReplyChannelRange msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ReplyChannelRange_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_reply_channel_range(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageSendEventsProvider_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
 	if ((this_ptr & 1) != 0) return;
 	LDKMessageSendEventsProvider this_ptr_conv = *(LDKMessageSendEventsProvider*)(((uint64_t)this_ptr) & ~1);
@@ -13320,10 +13686,49 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_APIError_1free(JNIEnv *env, jc
 	APIError_free(this_ptr_conv);
 }
 
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1clone(JNIEnv *env, jclass clz, int64_t orig) {
-	LDKAPIError* orig_conv = (LDKAPIError*)orig;
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1clone(JNIEnv *env, jclass clz, int64_t orig) {
+	LDKAPIError* orig_conv = (LDKAPIError*)orig;
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_clone(orig_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1apimisuse_1error(JNIEnv *env, jclass clz, jstring err) {
+	LDKStr err_conv = java_to_owned_str(env, err);
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_apimisuse_error(err_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1fee_1rate_1too_1high(JNIEnv *env, jclass clz, jstring err, int32_t feerate) {
+	LDKStr err_conv = java_to_owned_str(env, err);
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_fee_rate_too_high(err_conv, feerate);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1route_1error(JNIEnv *env, jclass clz, jstring err) {
+	LDKStr err_conv = java_to_owned_str(env, err);
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_route_error(err_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1channel_1unavailable(JNIEnv *env, jclass clz, jstring err) {
+	LDKStr err_conv = java_to_owned_str(env, err);
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_channel_unavailable(err_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1monitor_1update_1failed(JNIEnv *env, jclass clz) {
 	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
-	*ret_copy = APIError_clone(orig_conv);
+	*ret_copy = APIError_monitor_update_failed();
 	uint64_t ret_ref = (uint64_t)ret_copy;
 	return ret_ref;
 }
@@ -13372,6 +13777,31 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Level_1clone(JNIEnv *env, jc
 	return ret_conv;
 }
 
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Level_1trace(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKLevel_to_java(env, Level_trace());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Level_1debug(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKLevel_to_java(env, Level_debug());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Level_1info(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKLevel_to_java(env, Level_info());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Level_1warn(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKLevel_to_java(env, Level_warn());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Level_1error(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKLevel_to_java(env, Level_error());
+	return ret_conv;
+}
+
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_Level_1eq(JNIEnv *env, jclass clz, int64_t a, int64_t b) {
 	LDKLevel* a_conv = (LDKLevel*)(a & ~1);
 	LDKLevel* b_conv = (LDKLevel*)(b & ~1);
@@ -14002,6 +14432,16 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_AccessError_1clone(JNIEnv *e
 	return ret_conv;
 }
 
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_AccessError_1unknown_1chain(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKAccessError_to_java(env, AccessError_unknown_chain());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_AccessError_1unknown_1tx(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKAccessError_to_java(env, AccessError_unknown_tx());
+	return ret_conv;
+}
+
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Access_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
 	if ((this_ptr & 1) != 0) return;
 	LDKAccess this_ptr_conv = *(LDKAccess*)(((uint64_t)this_ptr) & ~1);
@@ -14166,6 +14606,21 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_ConfirmationTarget_1clone(JN
 	return ret_conv;
 }
 
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_ConfirmationTarget_1background(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKConfirmationTarget_to_java(env, ConfirmationTarget_background());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_ConfirmationTarget_1normal(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKConfirmationTarget_to_java(env, ConfirmationTarget_normal());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_ConfirmationTarget_1high_1priority(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKConfirmationTarget_to_java(env, ConfirmationTarget_high_priority());
+	return ret_conv;
+}
+
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_FeeEstimator_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
 	if ((this_ptr & 1) != 0) return;
 	LDKFeeEstimator this_ptr_conv = *(LDKFeeEstimator*)(((uint64_t)this_ptr) & ~1);
@@ -14187,7 +14642,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1new(JNIEnv *e
 		chain_source_conv = *(LDKFilter*)(((uint64_t)chain_source) & ~1);
 		if (chain_source_conv.free == LDKFilter_JCalls_free) {
 			// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-			LDKFilter_JCalls_clone(chain_source_conv.this_arg);
+			LDKFilter_JCalls_cloned(&chain_source_conv);
 		}
 		chain_source_conv_ptr = MALLOC(sizeof(LDKFilter), "LDKFilter");
 		*chain_source_conv_ptr = chain_source_conv;
@@ -14195,22 +14650,22 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1new(JNIEnv *e
 	LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
 	if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKBroadcasterInterface_JCalls_clone(broadcaster_conv.this_arg);
+		LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
 	}
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	LDKFeeEstimator feeest_conv = *(LDKFeeEstimator*)(((uint64_t)feeest) & ~1);
 	if (feeest_conv.free == LDKFeeEstimator_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKFeeEstimator_JCalls_clone(feeest_conv.this_arg);
+		LDKFeeEstimator_JCalls_cloned(&feeest_conv);
 	}
 	LDKPersist persister_conv = *(LDKPersist*)(((uint64_t)persister) & ~1);
 	if (persister_conv.free == LDKPersist_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKPersist_JCalls_clone(persister_conv.this_arg);
+		LDKPersist_JCalls_cloned(&persister_conv);
 	}
 	LDKChainMonitor ret_var = ChainMonitor_new(chain_source_conv_ptr, 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.
@@ -14321,6 +14776,16 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdateErr_1clo
 	return ret_conv;
 }
 
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdateErr_1temporary_1failure(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKChannelMonitorUpdateErr_to_java(env, ChannelMonitorUpdateErr_temporary_failure());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdateErr_1permanent_1failure(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKChannelMonitorUpdateErr_to_java(env, ChannelMonitorUpdateErr_permanent_failure());
+	return ret_conv;
+}
+
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MonitorUpdateError_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
 	LDKMonitorUpdateError this_obj_conv;
 	this_obj_conv.inner = (void*)(this_obj & (~1));
@@ -14357,6 +14822,28 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1clone(JNIEnv
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1htlcevent(JNIEnv *env, jclass clz, int64_t a) {
+	LDKHTLCUpdate a_conv;
+	a_conv.inner = (void*)(a & (~1));
+	a_conv.is_owned = (a & 1) || (a == 0);
+	a_conv = HTLCUpdate_clone(&a_conv);
+	LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
+	*ret_copy = MonitorEvent_htlcevent(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1commitment_1tx_1broadcasted(JNIEnv *env, jclass clz, int64_t a) {
+	LDKOutPoint a_conv;
+	a_conv.inner = (void*)(a & (~1));
+	a_conv.is_owned = (a & 1) || (a == 0);
+	a_conv = OutPoint_clone(&a_conv);
+	LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
+	*ret_copy = MonitorEvent_commitment_tx_broadcasted(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_HTLCUpdate_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
 	LDKHTLCUpdate this_obj_conv;
 	this_obj_conv.inner = (void*)(this_obj & (~1));
@@ -14568,17 +15055,17 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1block_
 	LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
 	if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKBroadcasterInterface_JCalls_clone(broadcaster_conv.this_arg);
+		LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
 	}
 	LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
 	if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKFeeEstimator_JCalls_clone(fee_estimator_conv.this_arg);
+		LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
 	}
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	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);
 	int64_tArray ret_arr = (*env)->NewLongArray(env, ret_var.datalen);
@@ -14604,17 +15091,17 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1block_1disconn
 	LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
 	if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKBroadcasterInterface_JCalls_clone(broadcaster_conv.this_arg);
+		LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
 	}
 	LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
 	if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKFeeEstimator_JCalls_clone(fee_estimator_conv.this_arg);
+		LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
 	}
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	ChannelMonitor_block_disconnected(&this_arg_conv, header_ref, height, broadcaster_conv, fee_estimator_conv, logger_conv);
 }
@@ -14644,17 +15131,17 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1transa
 	LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
 	if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKBroadcasterInterface_JCalls_clone(broadcaster_conv.this_arg);
+		LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
 	}
 	LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
 	if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKFeeEstimator_JCalls_clone(fee_estimator_conv.this_arg);
+		LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
 	}
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	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);
 	int64_tArray ret_arr = (*env)->NewLongArray(env, ret_var.datalen);
@@ -14680,17 +15167,17 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1transaction_1u
 	LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
 	if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKBroadcasterInterface_JCalls_clone(broadcaster_conv.this_arg);
+		LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
 	}
 	LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
 	if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKFeeEstimator_JCalls_clone(fee_estimator_conv.this_arg);
+		LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
 	}
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	ChannelMonitor_transaction_unconfirmed(&this_arg_conv, txid_ref, broadcaster_conv, fee_estimator_conv, logger_conv);
 }
@@ -14706,17 +15193,17 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1best_1
 	LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
 	if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKBroadcasterInterface_JCalls_clone(broadcaster_conv.this_arg);
+		LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
 	}
 	LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
 	if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKFeeEstimator_JCalls_clone(fee_estimator_conv.this_arg);
+		LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
 	}
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ ret_var = ChannelMonitor_best_block_updated(&this_arg_conv, header_ref, height, broadcaster_conv, fee_estimator_conv, logger_conv);
 	int64_tArray ret_arr = (*env)->NewLongArray(env, ret_var.datalen);
@@ -15227,6 +15714,40 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1static_1output(JNIEnv *env, jclass clz, int64_t outpoint, int64_t output) {
+	LDKOutPoint outpoint_conv;
+	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);
+	LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
+	*ret_copy = SpendableOutputDescriptor_static_output(outpoint_conv, output_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1delayed_1payment_1output(JNIEnv *env, jclass clz, int64_t a) {
+	LDKDelayedPaymentOutputDescriptor a_conv;
+	a_conv.inner = (void*)(a & (~1));
+	a_conv.is_owned = (a & 1) || (a == 0);
+	a_conv = DelayedPaymentOutputDescriptor_clone(&a_conv);
+	LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
+	*ret_copy = SpendableOutputDescriptor_delayed_payment_output(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1static_1payment_1output(JNIEnv *env, jclass clz, int64_t a) {
+	LDKStaticPaymentOutputDescriptor a_conv;
+	a_conv.inner = (void*)(a & (~1));
+	a_conv.is_owned = (a & 1) || (a == 0);
+	a_conv = StaticPaymentOutputDescriptor_clone(&a_conv);
+	LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
+	*ret_copy = SpendableOutputDescriptor_static_payment_output(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1write(JNIEnv *env, jclass clz, int64_t obj) {
 	LDKSpendableOutputDescriptor* obj_conv = (LDKSpendableOutputDescriptor*)obj;
 	LDKCVec_u8Z ret_var = SpendableOutputDescriptor_write(obj_conv);
@@ -16158,31 +16679,102 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1clone(J
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1parameter_1error(JNIEnv *env, jclass clz, int64_t a) {
+	LDKAPIError a_conv = *(LDKAPIError*)(((uint64_t)a) & ~1);
+	LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
+	*ret_copy = PaymentSendFailure_parameter_error(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1path_1parameter_1error(JNIEnv *env, jclass clz, int64_tArray a) {
+	LDKCVec_CResult_NoneAPIErrorZZ a_constr;
+	a_constr.datalen = (*env)->GetArrayLength(env, a);
+	if (a_constr.datalen > 0)
+		a_constr.data = MALLOC(a_constr.datalen * sizeof(LDKCResult_NoneAPIErrorZ), "LDKCVec_CResult_NoneAPIErrorZZ Elements");
+	else
+		a_constr.data = NULL;
+	int64_t* a_vals = (*env)->GetLongArrayElements (env, a, NULL);
+	for (size_t w = 0; w < a_constr.datalen; w++) {
+		int64_t a_conv_22 = a_vals[w];
+		LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1);
+		a_conv_22_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1));
+		a_constr.data[w] = a_conv_22_conv;
+	}
+	(*env)->ReleaseLongArrayElements(env, a, a_vals, 0);
+	LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
+	*ret_copy = PaymentSendFailure_path_parameter_error(a_constr);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1all_1failed_1retry_1safe(JNIEnv *env, jclass clz, int64_tArray a) {
+	LDKCVec_APIErrorZ a_constr;
+	a_constr.datalen = (*env)->GetArrayLength(env, a);
+	if (a_constr.datalen > 0)
+		a_constr.data = MALLOC(a_constr.datalen * sizeof(LDKAPIError), "LDKCVec_APIErrorZ Elements");
+	else
+		a_constr.data = NULL;
+	int64_t* a_vals = (*env)->GetLongArrayElements (env, a, NULL);
+	for (size_t k = 0; k < a_constr.datalen; k++) {
+		int64_t a_conv_10 = a_vals[k];
+		LDKAPIError a_conv_10_conv = *(LDKAPIError*)(((uint64_t)a_conv_10) & ~1);
+		a_conv_10_conv = APIError_clone((LDKAPIError*)(((uint64_t)a_conv_10) & ~1));
+		a_constr.data[k] = a_conv_10_conv;
+	}
+	(*env)->ReleaseLongArrayElements(env, a, a_vals, 0);
+	LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
+	*ret_copy = PaymentSendFailure_all_failed_retry_safe(a_constr);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1partial_1failure(JNIEnv *env, jclass clz, int64_tArray a) {
+	LDKCVec_CResult_NoneAPIErrorZZ a_constr;
+	a_constr.datalen = (*env)->GetArrayLength(env, a);
+	if (a_constr.datalen > 0)
+		a_constr.data = MALLOC(a_constr.datalen * sizeof(LDKCResult_NoneAPIErrorZ), "LDKCVec_CResult_NoneAPIErrorZZ Elements");
+	else
+		a_constr.data = NULL;
+	int64_t* a_vals = (*env)->GetLongArrayElements (env, a, NULL);
+	for (size_t w = 0; w < a_constr.datalen; w++) {
+		int64_t a_conv_22 = a_vals[w];
+		LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1);
+		a_conv_22_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1));
+		a_constr.data[w] = a_conv_22_conv;
+	}
+	(*env)->ReleaseLongArrayElements(env, a, a_vals, 0);
+	LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
+	*ret_copy = PaymentSendFailure_partial_failure(a_constr);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1new(JNIEnv *env, jclass clz, int64_t fee_est, int64_t chain_monitor, int64_t tx_broadcaster, int64_t logger, int64_t keys_manager, int64_t config, int64_t params) {
 	LDKFeeEstimator fee_est_conv = *(LDKFeeEstimator*)(((uint64_t)fee_est) & ~1);
 	if (fee_est_conv.free == LDKFeeEstimator_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKFeeEstimator_JCalls_clone(fee_est_conv.this_arg);
+		LDKFeeEstimator_JCalls_cloned(&fee_est_conv);
 	}
 	LDKWatch chain_monitor_conv = *(LDKWatch*)(((uint64_t)chain_monitor) & ~1);
 	if (chain_monitor_conv.free == LDKWatch_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKWatch_JCalls_clone(chain_monitor_conv.this_arg);
+		LDKWatch_JCalls_cloned(&chain_monitor_conv);
 	}
 	LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)tx_broadcaster) & ~1);
 	if (tx_broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKBroadcasterInterface_JCalls_clone(tx_broadcaster_conv.this_arg);
+		LDKBroadcasterInterface_JCalls_cloned(&tx_broadcaster_conv);
 	}
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
 	if (keys_manager_conv.free == LDKKeysInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKKeysInterface_JCalls_clone(keys_manager_conv.this_arg);
+		LDKKeysInterface_JCalls_cloned(&keys_manager_conv);
 	}
 	LDKUserConfig config_conv;
 	config_conv.inner = (void*)(config & (~1));
@@ -16557,7 +17149,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1k
 	LDKKeysInterface val_conv = *(LDKKeysInterface*)(((uint64_t)val) & ~1);
 	if (val_conv.free == LDKKeysInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKKeysInterface_JCalls_clone(val_conv.this_arg);
+		LDKKeysInterface_JCalls_cloned(&val_conv);
 	}
 	ChannelManagerReadArgs_set_keys_manager(&this_ptr_conv, val_conv);
 }
@@ -16577,7 +17169,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1f
 	LDKFeeEstimator val_conv = *(LDKFeeEstimator*)(((uint64_t)val) & ~1);
 	if (val_conv.free == LDKFeeEstimator_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKFeeEstimator_JCalls_clone(val_conv.this_arg);
+		LDKFeeEstimator_JCalls_cloned(&val_conv);
 	}
 	ChannelManagerReadArgs_set_fee_estimator(&this_ptr_conv, val_conv);
 }
@@ -16597,7 +17189,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1c
 	LDKWatch val_conv = *(LDKWatch*)(((uint64_t)val) & ~1);
 	if (val_conv.free == LDKWatch_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKWatch_JCalls_clone(val_conv.this_arg);
+		LDKWatch_JCalls_cloned(&val_conv);
 	}
 	ChannelManagerReadArgs_set_chain_monitor(&this_ptr_conv, val_conv);
 }
@@ -16617,7 +17209,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1t
 	LDKBroadcasterInterface val_conv = *(LDKBroadcasterInterface*)(((uint64_t)val) & ~1);
 	if (val_conv.free == LDKBroadcasterInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKBroadcasterInterface_JCalls_clone(val_conv.this_arg);
+		LDKBroadcasterInterface_JCalls_cloned(&val_conv);
 	}
 	ChannelManagerReadArgs_set_tx_broadcaster(&this_ptr_conv, val_conv);
 }
@@ -16637,7 +17229,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1l
 	LDKLogger val_conv = *(LDKLogger*)(((uint64_t)val) & ~1);
 	if (val_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(val_conv.this_arg);
+		LDKLogger_JCalls_cloned(&val_conv);
 	}
 	ChannelManagerReadArgs_set_logger(&this_ptr_conv, val_conv);
 }
@@ -16671,27 +17263,27 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1new
 	LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
 	if (keys_manager_conv.free == LDKKeysInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKKeysInterface_JCalls_clone(keys_manager_conv.this_arg);
+		LDKKeysInterface_JCalls_cloned(&keys_manager_conv);
 	}
 	LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
 	if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKFeeEstimator_JCalls_clone(fee_estimator_conv.this_arg);
+		LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
 	}
 	LDKWatch chain_monitor_conv = *(LDKWatch*)(((uint64_t)chain_monitor) & ~1);
 	if (chain_monitor_conv.free == LDKWatch_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKWatch_JCalls_clone(chain_monitor_conv.this_arg);
+		LDKWatch_JCalls_cloned(&chain_monitor_conv);
 	}
 	LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)tx_broadcaster) & ~1);
 	if (tx_broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKBroadcasterInterface_JCalls_clone(tx_broadcaster_conv.this_arg);
+		LDKBroadcasterInterface_JCalls_cloned(&tx_broadcaster_conv);
 	}
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	LDKUserConfig default_config_conv;
 	default_config_conv.inner = (void*)(default_config & (~1));
@@ -16850,6 +17442,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_ErrorMessage_1get_1data(JNI
 	this_ptr_conv.is_owned = false;
 	LDKStr ret_str = ErrorMessage_get_data(&this_ptr_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -18886,6 +19479,46 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1clone(JNIEnv *e
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1ipv4(JNIEnv *env, jclass clz, int8_tArray addr, int16_t port) {
+	LDKFourBytes addr_ref;
+	CHECK((*env)->GetArrayLength(env, addr) == 4);
+	(*env)->GetByteArrayRegion(env, addr, 0, 4, addr_ref.data);
+	LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
+	*ret_copy = NetAddress_ipv4(addr_ref, port);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1ipv6(JNIEnv *env, jclass clz, int8_tArray addr, int16_t port) {
+	LDKSixteenBytes addr_ref;
+	CHECK((*env)->GetArrayLength(env, addr) == 16);
+	(*env)->GetByteArrayRegion(env, addr, 0, 16, addr_ref.data);
+	LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
+	*ret_copy = NetAddress_ipv6(addr_ref, port);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1onion_1v2(JNIEnv *env, jclass clz, int8_tArray addr, int16_t port) {
+	LDKTenBytes addr_ref;
+	CHECK((*env)->GetArrayLength(env, addr) == 10);
+	(*env)->GetByteArrayRegion(env, addr, 0, 10, addr_ref.data);
+	LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
+	*ret_copy = NetAddress_onion_v2(addr_ref, port);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1onion_1v3(JNIEnv *env, jclass clz, int8_tArray ed25519_pubkey, int16_t checksum, int8_t version, int16_t port) {
+	LDKThirtyTwoBytes ed25519_pubkey_ref;
+	CHECK((*env)->GetArrayLength(env, ed25519_pubkey) == 32);
+	(*env)->GetByteArrayRegion(env, ed25519_pubkey, 0, 32, ed25519_pubkey_ref.data);
+	LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
+	*ret_copy = NetAddress_onion_v3(ed25519_pubkey_ref, checksum, version, port);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_NetAddress_1write(JNIEnv *env, jclass clz, int64_t obj) {
 	LDKNetAddress* obj_conv = (LDKNetAddress*)obj;
 	LDKCVec_u8Z ret_var = NetAddress_write(obj_conv);
@@ -20137,6 +20770,43 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1clone(JNIEnv *
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1disconnect_1peer(JNIEnv *env, jclass clz, int64_t msg) {
+	LDKErrorMessage msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ErrorMessage_clone(&msg_conv);
+	LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
+	*ret_copy = ErrorAction_disconnect_peer(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1ignore_1error(JNIEnv *env, jclass clz) {
+	LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
+	*ret_copy = ErrorAction_ignore_error();
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1ignore_1and_1log(JNIEnv *env, jclass clz, jclass a) {
+	LDKLevel a_conv = LDKLevel_from_java(env, a);
+	LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
+	*ret_copy = ErrorAction_ignore_and_log(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1send_1error_1message(JNIEnv *env, jclass clz, int64_t msg) {
+	LDKErrorMessage msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ErrorMessage_clone(&msg_conv);
+	LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
+	*ret_copy = ErrorAction_send_error_message(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_LightningError_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
 	LDKLightningError this_obj_conv;
 	this_obj_conv.inner = (void*)(this_obj & (~1));
@@ -20150,6 +20820,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_LightningError_1get_1err(JN
 	this_ptr_conv.is_owned = false;
 	LDKStr ret_str = LightningError_get_err(&this_ptr_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -20467,6 +21138,34 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCFailChannelUpdate_1clon
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCFailChannelUpdate_1channel_1update_1message(JNIEnv *env, jclass clz, int64_t msg) {
+	LDKChannelUpdate msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelUpdate_clone(&msg_conv);
+	LDKHTLCFailChannelUpdate *ret_copy = MALLOC(sizeof(LDKHTLCFailChannelUpdate), "LDKHTLCFailChannelUpdate");
+	*ret_copy = HTLCFailChannelUpdate_channel_update_message(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCFailChannelUpdate_1channel_1closed(JNIEnv *env, jclass clz, int64_t short_channel_id, jboolean is_permanent) {
+	LDKHTLCFailChannelUpdate *ret_copy = MALLOC(sizeof(LDKHTLCFailChannelUpdate), "LDKHTLCFailChannelUpdate");
+	*ret_copy = HTLCFailChannelUpdate_channel_closed(short_channel_id, is_permanent);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCFailChannelUpdate_1node_1failure(JNIEnv *env, jclass clz, int8_tArray node_id, jboolean is_permanent) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKHTLCFailChannelUpdate *ret_copy = MALLOC(sizeof(LDKHTLCFailChannelUpdate), "LDKHTLCFailChannelUpdate");
+	*ret_copy = HTLCFailChannelUpdate_node_failure(node_id_ref, is_permanent);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
 	if ((this_ptr & 1) != 0) return;
 	LDKChannelMessageHandler this_ptr_conv = *(LDKChannelMessageHandler*)(((uint64_t)this_ptr) & ~1);
@@ -21234,7 +21933,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageHandler_1set_1chan_1han
 	LDKChannelMessageHandler val_conv = *(LDKChannelMessageHandler*)(((uint64_t)val) & ~1);
 	if (val_conv.free == LDKChannelMessageHandler_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKChannelMessageHandler_JCalls_clone(val_conv.this_arg);
+		LDKChannelMessageHandler_JCalls_cloned(&val_conv);
 	}
 	MessageHandler_set_chan_handler(&this_ptr_conv, val_conv);
 }
@@ -21254,7 +21953,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageHandler_1set_1route_1ha
 	LDKRoutingMessageHandler val_conv = *(LDKRoutingMessageHandler*)(((uint64_t)val) & ~1);
 	if (val_conv.free == LDKRoutingMessageHandler_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKRoutingMessageHandler_JCalls_clone(val_conv.this_arg);
+		LDKRoutingMessageHandler_JCalls_cloned(&val_conv);
 	}
 	MessageHandler_set_route_handler(&this_ptr_conv, val_conv);
 }
@@ -21263,12 +21962,12 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageHandler_1new(JNIEnv
 	LDKChannelMessageHandler chan_handler_arg_conv = *(LDKChannelMessageHandler*)(((uint64_t)chan_handler_arg) & ~1);
 	if (chan_handler_arg_conv.free == LDKChannelMessageHandler_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKChannelMessageHandler_JCalls_clone(chan_handler_arg_conv.this_arg);
+		LDKChannelMessageHandler_JCalls_cloned(&chan_handler_arg_conv);
 	}
 	LDKRoutingMessageHandler route_handler_arg_conv = *(LDKRoutingMessageHandler*)(((uint64_t)route_handler_arg) & ~1);
 	if (route_handler_arg_conv.free == LDKRoutingMessageHandler_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKRoutingMessageHandler_JCalls_clone(route_handler_arg_conv.this_arg);
+		LDKRoutingMessageHandler_JCalls_cloned(&route_handler_arg_conv);
 	}
 	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.
@@ -21363,7 +22062,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new(JNIEnv *en
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	LDKPeerManager ret_var = PeerManager_new(message_handler_conv, our_node_secret_ref, ephemeral_random_data_ref, logger_conv);
 	CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -21401,7 +22100,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new_1outbound_
 	LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
 	if (descriptor_conv.free == LDKSocketDescriptor_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKSocketDescriptor_JCalls_clone(descriptor_conv.this_arg);
+		LDKSocketDescriptor_JCalls_cloned(&descriptor_conv);
 	}
 	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);
@@ -21415,7 +22114,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new_1inbound_1
 	LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
 	if (descriptor_conv.free == LDKSocketDescriptor_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKSocketDescriptor_JCalls_clone(descriptor_conv.this_arg);
+		LDKSocketDescriptor_JCalls_cloned(&descriptor_conv);
 	}
 	LDKCResult_NonePeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePeerHandleErrorZ), "LDKCResult_NonePeerHandleErrorZ");
 	*ret_conv = PeerManager_new_inbound_connection(&this_arg_conv, descriptor_conv);
@@ -23722,20 +24421,24 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_get_1route(JNIEnv *env, jcl
 	payee_features_conv.is_owned = (payee_features & 1) || (payee_features == 0);
 	payee_features_conv = InvoiceFeatures_clone(&payee_features_conv);
 	LDKCVec_ChannelDetailsZ first_hops_constr;
-	first_hops_constr.datalen = (*env)->GetArrayLength(env, first_hops);
-	if (first_hops_constr.datalen > 0)
-		first_hops_constr.data = MALLOC(first_hops_constr.datalen * sizeof(LDKChannelDetails), "LDKCVec_ChannelDetailsZ Elements");
-	else
-		first_hops_constr.data = NULL;
-	int64_t* first_hops_vals = (*env)->GetLongArrayElements (env, first_hops, NULL);
-	for (size_t q = 0; q < first_hops_constr.datalen; q++) {
-		int64_t first_hops_conv_16 = first_hops_vals[q];
-		LDKChannelDetails first_hops_conv_16_conv;
-		first_hops_conv_16_conv.inner = (void*)(first_hops_conv_16 & (~1));
-		first_hops_conv_16_conv.is_owned = (first_hops_conv_16 & 1) || (first_hops_conv_16 == 0);
-		first_hops_constr.data[q] = first_hops_conv_16_conv;
-	}
-	(*env)->ReleaseLongArrayElements(env, first_hops, first_hops_vals, 0);
+	LDKCVec_ChannelDetailsZ *first_hops_ptr = NULL;
+	if (first_hops != NULL) {
+		first_hops_constr.datalen = (*env)->GetArrayLength(env, first_hops);
+		if (first_hops_constr.datalen > 0)
+			first_hops_constr.data = MALLOC(first_hops_constr.datalen * sizeof(LDKChannelDetails), "LDKCVec_ChannelDetailsZ Elements");
+		else
+			first_hops_constr.data = NULL;
+		int64_t* first_hops_vals = (*env)->GetLongArrayElements (env, first_hops, NULL);
+		for (size_t q = 0; q < first_hops_constr.datalen; q++) {
+			int64_t first_hops_conv_16 = first_hops_vals[q];
+			LDKChannelDetails first_hops_conv_16_conv;
+			first_hops_conv_16_conv.inner = (void*)(first_hops_conv_16 & (~1));
+			first_hops_conv_16_conv.is_owned = (first_hops_conv_16 & 1) || (first_hops_conv_16 == 0);
+			first_hops_constr.data[q] = first_hops_conv_16_conv;
+		}
+		(*env)->ReleaseLongArrayElements(env, first_hops, first_hops_vals, 0);
+		first_hops_ptr = &first_hops_constr;
+	}
 	LDKCVec_RouteHintZ last_hops_constr;
 	last_hops_constr.datalen = (*env)->GetArrayLength(env, last_hops);
 	if (last_hops_constr.datalen > 0)
@@ -23755,11 +24458,11 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_get_1route(JNIEnv *env, jcl
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
-	*ret_conv = get_route(our_node_id_ref, &network_conv, payee_ref, payee_features_conv, &first_hops_constr, last_hops_constr, final_value_msat, final_cltv, logger_conv);
-	FREE(first_hops_constr.data);
+	*ret_conv = get_route(our_node_id_ref, &network_conv, payee_ref, payee_features_conv, first_hops_ptr, last_hops_constr, final_value_msat, final_cltv, logger_conv);
+	if (first_hops_ptr != NULL) { FREE(first_hops_constr.data); }
 	return (uint64_t)ret_conv;
 }
 
@@ -23808,7 +24511,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1new(JNI
 		chain_access_conv = *(LDKAccess*)(((uint64_t)chain_access) & ~1);
 		if (chain_access_conv.free == LDKAccess_JCalls_free) {
 			// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-			LDKAccess_JCalls_clone(chain_access_conv.this_arg);
+			LDKAccess_JCalls_cloned(&chain_access_conv);
 		}
 		chain_access_conv_ptr = MALLOC(sizeof(LDKAccess), "LDKAccess");
 		*chain_access_conv_ptr = chain_access_conv;
@@ -23816,7 +24519,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1new(JNI
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	LDKNetGraphMsgHandler ret_var = NetGraphMsgHandler_new(genesis_hash_ref, chain_access_conv_ptr, logger_conv);
 	CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -23835,7 +24538,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1from_1n
 		chain_access_conv = *(LDKAccess*)(((uint64_t)chain_access) & ~1);
 		if (chain_access_conv.free == LDKAccess_JCalls_free) {
 			// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-			LDKAccess_JCalls_clone(chain_access_conv.this_arg);
+			LDKAccess_JCalls_cloned(&chain_access_conv);
 		}
 		chain_access_conv_ptr = MALLOC(sizeof(LDKAccess), "LDKAccess");
 		*chain_access_conv_ptr = chain_access_conv;
@@ -23843,7 +24546,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1from_1n
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	LDKNetworkGraph network_graph_conv;
 	network_graph_conv.inner = (void*)(network_graph & (~1));
@@ -23869,7 +24572,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1add_1chain
 		chain_access_conv = *(LDKAccess*)(((uint64_t)chain_access) & ~1);
 		if (chain_access_conv.free == LDKAccess_JCalls_free) {
 			// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-			LDKAccess_JCalls_clone(chain_access_conv.this_arg);
+			LDKAccess_JCalls_cloned(&chain_access_conv);
 		}
 		chain_access_conv_ptr = MALLOC(sizeof(LDKAccess), "LDKAccess");
 		*chain_access_conv_ptr = chain_access_conv;
@@ -24857,7 +25560,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1chann
 		chain_access_conv = *(LDKAccess*)(((uint64_t)chain_access) & ~1);
 		if (chain_access_conv.free == LDKAccess_JCalls_free) {
 			// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-			LDKAccess_JCalls_clone(chain_access_conv.this_arg);
+			LDKAccess_JCalls_cloned(&chain_access_conv);
 		}
 		chain_access_conv_ptr = MALLOC(sizeof(LDKAccess), "LDKAccess");
 		*chain_access_conv_ptr = chain_access_conv;
@@ -24880,7 +25583,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1chann
 		chain_access_conv = *(LDKAccess*)(((uint64_t)chain_access) & ~1);
 		if (chain_access_conv.free == LDKAccess_JCalls_free) {
 			// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-			LDKAccess_JCalls_clone(chain_access_conv.this_arg);
+			LDKAccess_JCalls_cloned(&chain_access_conv);
 		}
 		chain_access_conv_ptr = MALLOC(sizeof(LDKAccess), "LDKAccess");
 		*chain_access_conv_ptr = chain_access_conv;
@@ -24946,6 +25649,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1get_1d
 	this_arg_conv.is_owned = false;
 	LDKStr ret_str = FilesystemPersister_get_data_dir(&this_arg_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -24966,7 +25670,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1read_1
 	LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
 	if (keys_manager_conv.free == LDKKeysInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKKeysInterface_JCalls_clone(keys_manager_conv.this_arg);
+		LDKKeysInterface_JCalls_cloned(&keys_manager_conv);
 	}
 	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);
@@ -25000,12 +25704,12 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1start(
 	LDKChannelManagerPersister persister_conv = *(LDKChannelManagerPersister*)(((uint64_t)persister) & ~1);
 	if (persister_conv.free == LDKChannelManagerPersister_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKChannelManagerPersister_JCalls_clone(persister_conv.this_arg);
+		LDKChannelManagerPersister_JCalls_cloned(&persister_conv);
 	}
 	LDKEventHandler event_handler_conv = *(LDKEventHandler*)(((uint64_t)event_handler) & ~1);
 	if (event_handler_conv.free == LDKEventHandler_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKEventHandler_JCalls_clone(event_handler_conv.this_arg);
+		LDKEventHandler_JCalls_cloned(&event_handler_conv);
 	}
 	LDKChainMonitor chain_monitor_conv;
 	chain_monitor_conv.inner = (void*)(chain_monitor & (~1));
@@ -25019,7 +25723,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1start(
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	LDKBackgroundProcessor ret_var = BackgroundProcessor_start(persister_conv, event_handler_conv, &chain_monitor_conv, &channel_manager_conv, &peer_manager_conv, logger_conv);
 	CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -25261,6 +25965,26 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SiPrefix_1clone(JNIEnv *env,
 	return ret_conv;
 }
 
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SiPrefix_1milli(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSiPrefix_to_java(env, SiPrefix_milli());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SiPrefix_1micro(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSiPrefix_to_java(env, SiPrefix_micro());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SiPrefix_1nano(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSiPrefix_to_java(env, SiPrefix_nano());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SiPrefix_1pico(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSiPrefix_to_java(env, SiPrefix_pico());
+	return ret_conv;
+}
+
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_SiPrefix_1eq(JNIEnv *env, jclass clz, int64_t a, int64_t b) {
 	LDKSiPrefix* a_conv = (LDKSiPrefix*)(a & ~1);
 	LDKSiPrefix* b_conv = (LDKSiPrefix*)(b & ~1);
@@ -25280,6 +26004,31 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Currency_1clone(JNIEnv *env,
 	return ret_conv;
 }
 
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Currency_1bitcoin(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKCurrency_to_java(env, Currency_bitcoin());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Currency_1bitcoin_1testnet(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKCurrency_to_java(env, Currency_bitcoin_testnet());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Currency_1regtest(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKCurrency_to_java(env, Currency_regtest());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Currency_1simnet(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKCurrency_to_java(env, Currency_simnet());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Currency_1signet(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKCurrency_to_java(env, Currency_signet());
+	return ret_conv;
+}
+
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_Currency_1eq(JNIEnv *env, jclass clz, int64_t a, int64_t b) {
 	LDKCurrency* a_conv = (LDKCurrency*)(a & ~1);
 	LDKCurrency* b_conv = (LDKCurrency*)(b & ~1);
@@ -25462,6 +26211,38 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Fallback_1clone(JNIEnv *env
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Fallback_1seg_1wit_1program(JNIEnv *env, jclass clz, int8_t version, int8_tArray program) {
+	
+	LDKCVec_u8Z program_ref;
+	program_ref.datalen = (*env)->GetArrayLength(env, program);
+	program_ref.data = MALLOC(program_ref.datalen, "LDKCVec_u8Z Bytes");
+	(*env)->GetByteArrayRegion(env, program, 0, program_ref.datalen, program_ref.data);
+	LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
+	*ret_copy = Fallback_seg_wit_program((LDKu5){ ._0 = version }, program_ref);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Fallback_1pub_1key_1hash(JNIEnv *env, jclass clz, int8_tArray a) {
+	LDKTwentyBytes a_ref;
+	CHECK((*env)->GetArrayLength(env, a) == 20);
+	(*env)->GetByteArrayRegion(env, a, 0, 20, a_ref.data);
+	LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
+	*ret_copy = Fallback_pub_key_hash(a_ref);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Fallback_1script_1hash(JNIEnv *env, jclass clz, int8_tArray a) {
+	LDKTwentyBytes a_ref;
+	CHECK((*env)->GetArrayLength(env, a) == 20);
+	(*env)->GetByteArrayRegion(env, a, 0, 20, a_ref.data);
+	LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
+	*ret_copy = Fallback_script_hash(a_ref);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_Fallback_1eq(JNIEnv *env, jclass clz, int64_t a, int64_t b) {
 	LDKFallback* a_conv = (LDKFallback*)a;
 	LDKFallback* b_conv = (LDKFallback*)b;
@@ -25965,6 +26746,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_Description_1into_1inner(JN
 	this_arg_conv = Description_clone(&this_arg_conv);
 	LDKStr ret_str = Description_into_inner(this_arg_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -26027,6 +26809,26 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_CreationError_1clone(JNIEnv
 	return ret_conv;
 }
 
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_CreationError_1description_1too_1long(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKCreationError_to_java(env, CreationError_description_too_long());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_CreationError_1route_1too_1long(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKCreationError_to_java(env, CreationError_route_too_long());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_CreationError_1timestamp_1out_1of_1bounds(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKCreationError_to_java(env, CreationError_timestamp_out_of_bounds());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_CreationError_1expiry_1time_1out_1of_1bounds(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKCreationError_to_java(env, CreationError_expiry_time_out_of_bounds());
+	return ret_conv;
+}
+
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CreationError_1eq(JNIEnv *env, jclass clz, int64_t a, int64_t b) {
 	LDKCreationError* a_conv = (LDKCreationError*)(a & ~1);
 	LDKCreationError* b_conv = (LDKCreationError*)(b & ~1);
@@ -26038,6 +26840,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_CreationError_1to_1str(JNIE
 	LDKCreationError* o_conv = (LDKCreationError*)(o & ~1);
 	LDKStr ret_str = CreationError_to_str(o_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -26047,6 +26850,46 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SemanticError_1clone(JNIEnv
 	return ret_conv;
 }
 
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SemanticError_1no_1payment_1hash(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSemanticError_to_java(env, SemanticError_no_payment_hash());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SemanticError_1multiple_1payment_1hashes(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSemanticError_to_java(env, SemanticError_multiple_payment_hashes());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SemanticError_1no_1description(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSemanticError_to_java(env, SemanticError_no_description());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SemanticError_1multiple_1descriptions(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSemanticError_to_java(env, SemanticError_multiple_descriptions());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SemanticError_1multiple_1payment_1secrets(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSemanticError_to_java(env, SemanticError_multiple_payment_secrets());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SemanticError_1invalid_1features(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSemanticError_to_java(env, SemanticError_invalid_features());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SemanticError_1invalid_1recovery_1id(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSemanticError_to_java(env, SemanticError_invalid_recovery_id());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SemanticError_1invalid_1signature(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSemanticError_to_java(env, SemanticError_invalid_signature());
+	return ret_conv;
+}
+
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_SemanticError_1eq(JNIEnv *env, jclass clz, int64_t a, int64_t b) {
 	LDKSemanticError* a_conv = (LDKSemanticError*)(a & ~1);
 	LDKSemanticError* b_conv = (LDKSemanticError*)(b & ~1);
@@ -26058,6 +26901,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_SemanticError_1to_1str(JNIE
 	LDKSemanticError* o_conv = (LDKSemanticError*)(o & ~1);
 	LDKStr ret_str = SemanticError_to_str(o_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -26076,6 +26920,21 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1clone(
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1sign_1error(JNIEnv *env, jclass clz) {
+	LDKSignOrCreationError *ret_copy = MALLOC(sizeof(LDKSignOrCreationError), "LDKSignOrCreationError");
+	*ret_copy = SignOrCreationError_sign_error();
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1creation_1error(JNIEnv *env, jclass clz, jclass a) {
+	LDKCreationError a_conv = LDKCreationError_from_java(env, a);
+	LDKSignOrCreationError *ret_copy = MALLOC(sizeof(LDKSignOrCreationError), "LDKSignOrCreationError");
+	*ret_copy = SignOrCreationError_creation_error(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1eq(JNIEnv *env, jclass clz, int64_t a, int64_t b) {
 	LDKSignOrCreationError* a_conv = (LDKSignOrCreationError*)a;
 	LDKSignOrCreationError* b_conv = (LDKSignOrCreationError*)b;
@@ -26087,6 +26946,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1to_1st
 	LDKSignOrCreationError* o_conv = (LDKSignOrCreationError*)o;
 	LDKStr ret_str = SignOrCreationError_to_str(o_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -26097,7 +26957,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_create_1invoice_1from_1chan
 	LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
 	if (keys_manager_conv.free == LDKKeysInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKKeysInterface_JCalls_clone(keys_manager_conv.this_arg);
+		LDKKeysInterface_JCalls_cloned(&keys_manager_conv);
 	}
 	LDKCurrency network_conv = LDKCurrency_from_java(env, network);
 	LDKCOption_u64Z amt_msat_conv = *(LDKCOption_u64Z*)(((uint64_t)amt_msat) & ~1);
@@ -26134,6 +26994,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_Invoice_1to_1str(JNIEnv *en
 	o_conv.is_owned = false;
 	LDKStr ret_str = Invoice_to_str(&o_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -26143,6 +27004,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1to_1str(J
 	o_conv.is_owned = false;
 	LDKStr ret_str = SignedRawInvoice_to_str(&o_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -26150,6 +27012,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_Currency_1to_1str(JNIEnv *e
 	LDKCurrency* o_conv = (LDKCurrency*)(o & ~1);
 	LDKStr ret_str = Currency_to_str(o_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -26157,6 +27020,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_SiPrefix_1to_1str(JNIEnv *e
 	LDKSiPrefix* o_conv = (LDKSiPrefix*)(o & ~1);
 	LDKStr ret_str = SiPrefix_to_str(o_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
diff --git a/src/main/jni/bindings.c.body b/src/main/jni/bindings.c.body
index 06beaea6..7b63fbd7 100644
--- a/src/main/jni/bindings.c.body
+++ b/src/main/jni/bindings.c.body
@@ -131,7 +131,7 @@ static inline LDKStr java_to_owned_str(JNIEnv *env, jstring str) {
 }
 
 JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_get_1lib_1version_1string(JNIEnv *env, jclass _c) {
-	return str_ref_to_java(env, "v0.0.99.1", strlen("v0.0.99.1"));
+	return str_ref_to_java(env, "v0.0.99.2", strlen("v0.0.99.2"));
 }
 JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_get_1ldk_1c_1bindings_1version(JNIEnv *env, jclass _c) {
 	return str_ref_to_java(env, check_get_ldk_bindings_version(), strlen(check_get_ldk_bindings_version()));
@@ -730,6 +730,21 @@ static inline LDKCVec_u8Z CVec_u8Z_clone(const LDKCVec_u8Z *orig) {
 	memcpy(ret.data, orig->data, sizeof(int8_t) * ret.datalen);
 	return ret;
 }
+struct LDKCVec_u8Z TxOut_get_script_pubkey (struct LDKTxOut* thing) {	return CVec_u8Z_clone(&thing->script_pubkey);}JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_TxOut_1get_1script_1pubkey(JNIEnv *env, jclass clz, int64_t thing) {
+	LDKTxOut* thing_conv = (LDKTxOut*)(thing & ~1);
+	LDKCVec_u8Z ret_var = TxOut_get_script_pubkey(thing_conv);
+	int8_tArray ret_arr = (*env)->NewByteArray(env, ret_var.datalen);
+	(*env)->SetByteArrayRegion(env, ret_arr, 0, ret_var.datalen, ret_var.data);
+	CVec_u8Z_free(ret_var);
+	return ret_arr;
+}
+
+uint64_t TxOut_get_value (struct LDKTxOut* thing) {	return thing->value;}JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxOut_1get_1value(JNIEnv *env, jclass clz, int64_t thing) {
+	LDKTxOut* thing_conv = (LDKTxOut*)(thing & ~1);
+	int64_t ret_val = TxOut_get_value(thing_conv);
+	return ret_val;
+}
+
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_LDKCResult_1SecretKeyErrorZ_1result_1ok(JNIEnv *env, jclass clz, int64_t arg) {
 	return ((LDKCResult_SecretKeyErrorZ*)arg)->result_ok;
 }
@@ -2469,11 +2484,6 @@ void ready_channel_LDKBaseSign_jcall(void* this_arg, const LDKChannelTransaction
 		DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
 	}
 }
-static void* LDKBaseSign_JCalls_clone(const void* this_arg) {
-	LDKBaseSign_JCalls *j_calls = (LDKBaseSign_JCalls*) this_arg;
-	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
-}
 static inline LDKBaseSign LDKBaseSign_init (JNIEnv *env, jclass clz, jobject o, int64_t pubkeys) {
 	jclass c = (*env)->GetObjectClass(env, o);
 	CHECK(c != NULL);
@@ -2723,11 +2733,10 @@ LDKCVec_u8Z write_LDKSign_jcall(const void* this_arg) {
 	}
 	return ret_ref;
 }
-static void* LDKSign_JCalls_clone(const void* this_arg) {
-	LDKSign_JCalls *j_calls = (LDKSign_JCalls*) this_arg;
+static void LDKSign_JCalls_cloned(LDKSign* new_obj) {
+	LDKSign_JCalls *j_calls = (LDKSign_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
 	atomic_fetch_add_explicit(&j_calls->BaseSign->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKSign LDKSign_init (JNIEnv *env, jclass clz, jobject o, jobject BaseSign, int64_t pubkeys) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -2747,7 +2756,7 @@ static inline LDKSign LDKSign_init (JNIEnv *env, jclass clz, jobject o, jobject
 	LDKSign ret = {
 		.this_arg = (void*) calls,
 		.write = write_LDKSign_jcall,
-		.clone = LDKSign_JCalls_clone,
+		.cloned = LDKSign_JCalls_cloned,
 		.free = LDKSign_JCalls_free,
 		.BaseSign = LDKBaseSign_init(env, clz, BaseSign, pubkeys),
 	};
@@ -2759,6 +2768,12 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKSign_1new(JNIEnv *env, j
 	*res_ptr = LDKSign_init(env, clz, o, BaseSign, pubkeys);
 	return (uint64_t)res_ptr;
 }
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKSign_1get_1BaseSign(JNIEnv *env, jclass clz, int64_t arg) {
+	LDKSign *inp = (LDKSign *)(arg & ~1);
+	uint64_t res_ptr = (uint64_t)&inp->BaseSign;
+	DO_ASSERT((res_ptr & 1) == 0);
+	return (int64_t)(res_ptr | 1);
+}
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Sign_1write(JNIEnv *env, jclass clz, int64_t this_arg) {
 	LDKSign* this_arg_conv = (LDKSign*)(((uint64_t)this_arg) & ~1);
 	LDKCVec_u8Z ret_var = (this_arg_conv->write)(this_arg_conv->this_arg);
@@ -3491,10 +3506,9 @@ LDKCVec_MonitorEventZ release_pending_monitor_events_LDKWatch_jcall(const void*
 	}
 	return ret_constr;
 }
-static void* LDKWatch_JCalls_clone(const void* this_arg) {
-	LDKWatch_JCalls *j_calls = (LDKWatch_JCalls*) this_arg;
+static void LDKWatch_JCalls_cloned(LDKWatch* new_obj) {
+	LDKWatch_JCalls *j_calls = (LDKWatch_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKWatch LDKWatch_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -3617,10 +3631,9 @@ void broadcast_transaction_LDKBroadcasterInterface_jcall(const void* this_arg, L
 		DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
 	}
 }
-static void* LDKBroadcasterInterface_JCalls_clone(const void* this_arg) {
-	LDKBroadcasterInterface_JCalls *j_calls = (LDKBroadcasterInterface_JCalls*) this_arg;
+static void LDKBroadcasterInterface_JCalls_cloned(LDKBroadcasterInterface* new_obj) {
+	LDKBroadcasterInterface_JCalls *j_calls = (LDKBroadcasterInterface_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKBroadcasterInterface LDKBroadcasterInterface_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -3856,10 +3869,9 @@ LDKCResult_RecoverableSignatureNoneZ sign_invoice_LDKKeysInterface_jcall(const v
 	}
 	return ret_conv;
 }
-static void* LDKKeysInterface_JCalls_clone(const void* this_arg) {
-	LDKKeysInterface_JCalls *j_calls = (LDKKeysInterface_JCalls*) this_arg;
+static void LDKKeysInterface_JCalls_cloned(LDKKeysInterface* new_obj) {
+	LDKKeysInterface_JCalls *j_calls = (LDKKeysInterface_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKKeysInterface LDKKeysInterface_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -4005,10 +4017,9 @@ uint32_t get_est_sat_per_1000_weight_LDKFeeEstimator_jcall(const void* this_arg,
 	}
 	return ret;
 }
-static void* LDKFeeEstimator_JCalls_clone(const void* this_arg) {
-	LDKFeeEstimator_JCalls *j_calls = (LDKFeeEstimator_JCalls*) this_arg;
+static void LDKFeeEstimator_JCalls_cloned(LDKFeeEstimator* new_obj) {
+	LDKFeeEstimator_JCalls *j_calls = (LDKFeeEstimator_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKFeeEstimator LDKFeeEstimator_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -4084,10 +4095,9 @@ void log_LDKLogger_jcall(const void* this_arg, const char* record) {
 		DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
 	}
 }
-static void* LDKLogger_JCalls_clone(const void* this_arg) {
-	LDKLogger_JCalls *j_calls = (LDKLogger_JCalls*) this_arg;
+static void LDKLogger_JCalls_cloned(LDKLogger* new_obj) {
+	LDKLogger_JCalls *j_calls = (LDKLogger_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKLogger LDKLogger_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -6138,10 +6148,9 @@ LDKCVec_MessageSendEventZ get_and_clear_pending_msg_events_LDKMessageSendEventsP
 	}
 	return ret_constr;
 }
-static void* LDKMessageSendEventsProvider_JCalls_clone(const void* this_arg) {
-	LDKMessageSendEventsProvider_JCalls *j_calls = (LDKMessageSendEventsProvider_JCalls*) this_arg;
+static void LDKMessageSendEventsProvider_JCalls_cloned(LDKMessageSendEventsProvider* new_obj) {
+	LDKMessageSendEventsProvider_JCalls *j_calls = (LDKMessageSendEventsProvider_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKMessageSendEventsProvider LDKMessageSendEventsProvider_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -6227,10 +6236,9 @@ void handle_event_LDKEventHandler_jcall(const void* this_arg, LDKEvent event) {
 		DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
 	}
 }
-static void* LDKEventHandler_JCalls_clone(const void* this_arg) {
-	LDKEventHandler_JCalls *j_calls = (LDKEventHandler_JCalls*) this_arg;
+static void LDKEventHandler_JCalls_cloned(LDKEventHandler* new_obj) {
+	LDKEventHandler_JCalls *j_calls = (LDKEventHandler_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKEventHandler LDKEventHandler_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -6305,10 +6313,9 @@ void process_pending_events_LDKEventsProvider_jcall(const void* this_arg, LDKEve
 		DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
 	}
 }
-static void* LDKEventsProvider_JCalls_clone(const void* this_arg) {
-	LDKEventsProvider_JCalls *j_calls = (LDKEventsProvider_JCalls*) this_arg;
+static void LDKEventsProvider_JCalls_cloned(LDKEventsProvider* new_obj) {
+	LDKEventsProvider_JCalls *j_calls = (LDKEventsProvider_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKEventsProvider LDKEventsProvider_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -6337,7 +6344,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_EventsProvider_1process_1pendi
 	LDKEventHandler handler_conv = *(LDKEventHandler*)(((uint64_t)handler) & ~1);
 	if (handler_conv.free == LDKEventHandler_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKEventHandler_JCalls_clone(handler_conv.this_arg);
+		LDKEventHandler_JCalls_cloned(&handler_conv);
 	}
 	(this_arg_conv->process_pending_events)(this_arg_conv->this_arg, handler_conv);
 }
@@ -6390,10 +6397,9 @@ LDKCResult_TxOutAccessErrorZ get_utxo_LDKAccess_jcall(const void* this_arg, cons
 	}
 	return ret_conv;
 }
-static void* LDKAccess_JCalls_clone(const void* this_arg) {
-	LDKAccess_JCalls *j_calls = (LDKAccess_JCalls*) this_arg;
+static void LDKAccess_JCalls_cloned(LDKAccess* new_obj) {
+	LDKAccess_JCalls *j_calls = (LDKAccess_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKAccess LDKAccess_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -6497,10 +6503,9 @@ void block_disconnected_LDKListen_jcall(const void* this_arg, const uint8_t (* h
 		DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
 	}
 }
-static void* LDKListen_JCalls_clone(const void* this_arg) {
-	LDKListen_JCalls *j_calls = (LDKListen_JCalls*) this_arg;
+static void LDKListen_JCalls_cloned(LDKListen* new_obj) {
+	LDKListen_JCalls *j_calls = (LDKListen_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKListen LDKListen_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -6681,10 +6686,9 @@ LDKCVec_TxidZ get_relevant_txids_LDKConfirm_jcall(const void* this_arg) {
 	}
 	return ret_constr;
 }
-static void* LDKConfirm_JCalls_clone(const void* this_arg) {
-	LDKConfirm_JCalls *j_calls = (LDKConfirm_JCalls*) this_arg;
+static void LDKConfirm_JCalls_cloned(LDKConfirm* new_obj) {
+	LDKConfirm_JCalls *j_calls = (LDKConfirm_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKConfirm LDKConfirm_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -6851,10 +6855,9 @@ LDKCOption_C2Tuple_usizeTransactionZZ register_output_LDKFilter_jcall(const void
 	}
 	return ret_conv;
 }
-static void* LDKFilter_JCalls_clone(const void* this_arg) {
-	LDKFilter_JCalls *j_calls = (LDKFilter_JCalls*) this_arg;
+static void LDKFilter_JCalls_cloned(LDKFilter* new_obj) {
+	LDKFilter_JCalls *j_calls = (LDKFilter_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKFilter LDKFilter_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -7014,10 +7017,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_persisted_channel_LDKPersist_jcal
 	}
 	return ret_conv;
 }
-static void* LDKPersist_JCalls_clone(const void* this_arg) {
-	LDKPersist_JCalls *j_calls = (LDKPersist_JCalls*) this_arg;
+static void LDKPersist_JCalls_cloned(LDKPersist* new_obj) {
+	LDKPersist_JCalls *j_calls = (LDKPersist_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKPersist LDKPersist_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -7732,11 +7734,10 @@ void handle_error_LDKChannelMessageHandler_jcall(const void* this_arg, LDKPublic
 		DO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);
 	}
 }
-static void* LDKChannelMessageHandler_JCalls_clone(const void* this_arg) {
-	LDKChannelMessageHandler_JCalls *j_calls = (LDKChannelMessageHandler_JCalls*) this_arg;
+static void LDKChannelMessageHandler_JCalls_cloned(LDKChannelMessageHandler* new_obj) {
+	LDKChannelMessageHandler_JCalls *j_calls = (LDKChannelMessageHandler_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
 	atomic_fetch_add_explicit(&j_calls->MessageSendEventsProvider->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKChannelMessageHandler LDKChannelMessageHandler_init (JNIEnv *env, jclass clz, jobject o, jobject MessageSendEventsProvider) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -7819,6 +7820,12 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKChannelMessageHandler_1n
 	*res_ptr = LDKChannelMessageHandler_init(env, clz, o, MessageSendEventsProvider);
 	return (uint64_t)res_ptr;
 }
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKChannelMessageHandler_1get_1MessageSendEventsProvider(JNIEnv *env, jclass clz, int64_t arg) {
+	LDKChannelMessageHandler *inp = (LDKChannelMessageHandler *)(arg & ~1);
+	uint64_t res_ptr = (uint64_t)&inp->MessageSendEventsProvider;
+	DO_ASSERT((res_ptr & 1) == 0);
+	return (int64_t)(res_ptr | 1);
+}
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_1open_1channel(JNIEnv *env, jclass clz, int64_t this_arg, int8_tArray their_node_id, int64_t their_features, int64_t msg) {
 	LDKChannelMessageHandler* this_arg_conv = (LDKChannelMessageHandler*)(((uint64_t)this_arg) & ~1);
 	LDKPublicKey their_node_id_ref;
@@ -8427,11 +8434,10 @@ LDKCResult_NoneLightningErrorZ handle_query_short_channel_ids_LDKRoutingMessageH
 	}
 	return ret_conv;
 }
-static void* LDKRoutingMessageHandler_JCalls_clone(const void* this_arg) {
-	LDKRoutingMessageHandler_JCalls *j_calls = (LDKRoutingMessageHandler_JCalls*) this_arg;
+static void LDKRoutingMessageHandler_JCalls_cloned(LDKRoutingMessageHandler* new_obj) {
+	LDKRoutingMessageHandler_JCalls *j_calls = (LDKRoutingMessageHandler_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
 	atomic_fetch_add_explicit(&j_calls->MessageSendEventsProvider->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKRoutingMessageHandler LDKRoutingMessageHandler_init (JNIEnv *env, jclass clz, jobject o, jobject MessageSendEventsProvider) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -8487,6 +8493,12 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKRoutingMessageHandler_1n
 	*res_ptr = LDKRoutingMessageHandler_init(env, clz, o, MessageSendEventsProvider);
 	return (uint64_t)res_ptr;
 }
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_LDKRoutingMessageHandler_1get_1MessageSendEventsProvider(JNIEnv *env, jclass clz, int64_t arg) {
+	LDKRoutingMessageHandler *inp = (LDKRoutingMessageHandler *)(arg & ~1);
+	uint64_t res_ptr = (uint64_t)&inp->MessageSendEventsProvider;
+	DO_ASSERT((res_ptr & 1) == 0);
+	return (int64_t)(res_ptr | 1);
+}
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_RoutingMessageHandler_1handle_1node_1announcement(JNIEnv *env, jclass clz, int64_t this_arg, int64_t msg) {
 	LDKRoutingMessageHandler* this_arg_conv = (LDKRoutingMessageHandler*)(((uint64_t)this_arg) & ~1);
 	LDKNodeAnnouncement msg_conv;
@@ -8742,10 +8754,9 @@ uint64_t hash_LDKSocketDescriptor_jcall(const void* this_arg) {
 	}
 	return ret;
 }
-static void* LDKSocketDescriptor_JCalls_clone(const void* this_arg) {
-	LDKSocketDescriptor_JCalls *j_calls = (LDKSocketDescriptor_JCalls*) this_arg;
+static void LDKSocketDescriptor_JCalls_cloned(LDKSocketDescriptor* new_obj) {
+	LDKSocketDescriptor_JCalls *j_calls = (LDKSocketDescriptor_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKSocketDescriptor LDKSocketDescriptor_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -8769,7 +8780,7 @@ static inline LDKSocketDescriptor LDKSocketDescriptor_init (JNIEnv *env, jclass
 		.disconnect_socket = disconnect_socket_LDKSocketDescriptor_jcall,
 		.eq = eq_LDKSocketDescriptor_jcall,
 		.hash = hash_LDKSocketDescriptor_jcall,
-		.clone = LDKSocketDescriptor_JCalls_clone,
+		.cloned = LDKSocketDescriptor_JCalls_cloned,
 		.free = LDKSocketDescriptor_JCalls_free,
 	};
 	return ret;
@@ -8854,10 +8865,9 @@ LDKCResult_NoneErrorZ persist_manager_LDKChannelManagerPersister_jcall(const voi
 	}
 	return ret_conv;
 }
-static void* LDKChannelManagerPersister_JCalls_clone(const void* this_arg) {
-	LDKChannelManagerPersister_JCalls *j_calls = (LDKChannelManagerPersister_JCalls*) this_arg;
+static void LDKChannelManagerPersister_JCalls_cloned(LDKChannelManagerPersister* new_obj) {
+	LDKChannelManagerPersister_JCalls *j_calls = (LDKChannelManagerPersister_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKChannelManagerPersister LDKChannelManagerPersister_init (JNIEnv *env, jclass clz, jobject o) {
 	jclass c = (*env)->GetObjectClass(env, o);
@@ -8940,12 +8950,14 @@ JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_LDKFallback_1ref_1from_1ptr
 JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings__1ldk_1get_1compiled_1version(JNIEnv *env, jclass clz) {
 	LDKStr ret_str = _ldk_get_compiled_version();
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
 JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings__1ldk_1c_1bindings_1get_1compiled_1version(JNIEnv *env, jclass clz) {
 	LDKStr ret_str = _ldk_c_bindings_get_compiled_version();
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -8958,6 +8970,16 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Transaction_1free(JNIEnv *env,
 	Transaction_free(_res_ref);
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_TxOut_1new(JNIEnv *env, jclass clz, int8_tArray script_pubkey, int64_t value) {
+	LDKCVec_u8Z script_pubkey_ref;
+	script_pubkey_ref.datalen = (*env)->GetArrayLength(env, script_pubkey);
+	script_pubkey_ref.data = MALLOC(script_pubkey_ref.datalen, "LDKCVec_u8Z Bytes");
+	(*env)->GetByteArrayRegion(env, script_pubkey, 0, script_pubkey_ref.datalen, script_pubkey_ref.data);
+	LDKTxOut* ret_ref = MALLOC(sizeof(LDKTxOut), "LDKTxOut");
+	*ret_ref = TxOut_new(script_pubkey_ref, value);
+	return (uint64_t)ret_ref;
+}
+
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_TxOut_1free(JNIEnv *env, jclass clz, int64_t _res) {
 	if ((_res & 1) != 0) return;
 	LDKTxOut _res_conv = *(LDKTxOut*)(((uint64_t)_res) & ~1);
@@ -10187,7 +10209,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_CResult_1SignDecodeErrorZ_1
 	LDKSign o_conv = *(LDKSign*)(((uint64_t)o) & ~1);
 	if (o_conv.free == LDKSign_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKSign_JCalls_clone(o_conv.this_arg);
+		LDKSign_JCalls_cloned(&o_conv);
 	}
 	LDKCResult_SignDecodeErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_SignDecodeErrorZ), "LDKCResult_SignDecodeErrorZ");
 	*ret_conv = CResult_SignDecodeErrorZ_ok(o_conv);
@@ -13266,6 +13288,84 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1clone(JNIEnv *env, j
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1funding_1generation_1ready(JNIEnv *env, jclass clz, int8_tArray temporary_channel_id, int64_t channel_value_satoshis, int8_tArray output_script, int64_t user_channel_id) {
+	LDKThirtyTwoBytes temporary_channel_id_ref;
+	CHECK((*env)->GetArrayLength(env, temporary_channel_id) == 32);
+	(*env)->GetByteArrayRegion(env, temporary_channel_id, 0, 32, temporary_channel_id_ref.data);
+	LDKCVec_u8Z output_script_ref;
+	output_script_ref.datalen = (*env)->GetArrayLength(env, output_script);
+	output_script_ref.data = MALLOC(output_script_ref.datalen, "LDKCVec_u8Z Bytes");
+	(*env)->GetByteArrayRegion(env, output_script, 0, output_script_ref.datalen, output_script_ref.data);
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_funding_generation_ready(temporary_channel_id_ref, channel_value_satoshis, output_script_ref, user_channel_id);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1received(JNIEnv *env, jclass clz, int8_tArray payment_hash, int8_tArray payment_preimage, int8_tArray payment_secret, int64_t amt, int64_t user_payment_id) {
+	LDKThirtyTwoBytes payment_hash_ref;
+	CHECK((*env)->GetArrayLength(env, payment_hash) == 32);
+	(*env)->GetByteArrayRegion(env, payment_hash, 0, 32, payment_hash_ref.data);
+	LDKThirtyTwoBytes payment_preimage_ref;
+	CHECK((*env)->GetArrayLength(env, payment_preimage) == 32);
+	(*env)->GetByteArrayRegion(env, payment_preimage, 0, 32, payment_preimage_ref.data);
+	LDKThirtyTwoBytes payment_secret_ref;
+	CHECK((*env)->GetArrayLength(env, payment_secret) == 32);
+	(*env)->GetByteArrayRegion(env, payment_secret, 0, 32, payment_secret_ref.data);
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_payment_received(payment_hash_ref, payment_preimage_ref, payment_secret_ref, amt, user_payment_id);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1sent(JNIEnv *env, jclass clz, int8_tArray payment_preimage) {
+	LDKThirtyTwoBytes payment_preimage_ref;
+	CHECK((*env)->GetArrayLength(env, payment_preimage) == 32);
+	(*env)->GetByteArrayRegion(env, payment_preimage, 0, 32, payment_preimage_ref.data);
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_payment_sent(payment_preimage_ref);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1payment_1failed(JNIEnv *env, jclass clz, int8_tArray payment_hash, jboolean rejected_by_dest) {
+	LDKThirtyTwoBytes payment_hash_ref;
+	CHECK((*env)->GetArrayLength(env, payment_hash) == 32);
+	(*env)->GetByteArrayRegion(env, payment_hash, 0, 32, payment_hash_ref.data);
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_payment_failed(payment_hash_ref, rejected_by_dest);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1pending_1htlcs_1forwardable(JNIEnv *env, jclass clz, int64_t time_forwardable) {
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_pending_htlcs_forwardable(time_forwardable);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Event_1spendable_1outputs(JNIEnv *env, jclass clz, int64_tArray outputs) {
+	LDKCVec_SpendableOutputDescriptorZ outputs_constr;
+	outputs_constr.datalen = (*env)->GetArrayLength(env, outputs);
+	if (outputs_constr.datalen > 0)
+		outputs_constr.data = MALLOC(outputs_constr.datalen * sizeof(LDKSpendableOutputDescriptor), "LDKCVec_SpendableOutputDescriptorZ Elements");
+	else
+		outputs_constr.data = NULL;
+	int64_t* outputs_vals = (*env)->GetLongArrayElements (env, outputs, NULL);
+	for (size_t b = 0; b < outputs_constr.datalen; b++) {
+		int64_t outputs_conv_27 = outputs_vals[b];
+		LDKSpendableOutputDescriptor outputs_conv_27_conv = *(LDKSpendableOutputDescriptor*)(((uint64_t)outputs_conv_27) & ~1);
+		outputs_conv_27_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)outputs_conv_27) & ~1));
+		outputs_constr.data[b] = outputs_conv_27_conv;
+	}
+	(*env)->ReleaseLongArrayElements(env, outputs, outputs_vals, 0);
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_spendable_outputs(outputs_constr);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_Event_1write(JNIEnv *env, jclass clz, int64_t obj) {
 	LDKEvent* obj_conv = (LDKEvent*)obj;
 	LDKCVec_u8Z ret_var = Event_write(obj_conv);
@@ -13290,6 +13390,272 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1clone(JNI
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1accept_1channel(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKAcceptChannel msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = AcceptChannel_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_accept_channel(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1open_1channel(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKOpenChannel msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = OpenChannel_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_open_channel(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1funding_1created(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKFundingCreated msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = FundingCreated_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_funding_created(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1funding_1signed(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKFundingSigned msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = FundingSigned_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_funding_signed(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1funding_1locked(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKFundingLocked msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = FundingLocked_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_funding_locked(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1announcement_1signatures(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKAnnouncementSignatures msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = AnnouncementSignatures_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_announcement_signatures(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1update_1htlcs(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t updates) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKCommitmentUpdate updates_conv;
+	updates_conv.inner = (void*)(updates & (~1));
+	updates_conv.is_owned = (updates & 1) || (updates == 0);
+	updates_conv = CommitmentUpdate_clone(&updates_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_update_htlcs(node_id_ref, updates_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1revoke_1and_1ack(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKRevokeAndACK msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = RevokeAndACK_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_revoke_and_ack(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1closing_1signed(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKClosingSigned msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ClosingSigned_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_closing_signed(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1shutdown(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKShutdown msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = Shutdown_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_shutdown(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1channel_1reestablish(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKChannelReestablish msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelReestablish_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_channel_reestablish(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1broadcast_1channel_1announcement(JNIEnv *env, jclass clz, int64_t msg, int64_t update_msg) {
+	LDKChannelAnnouncement msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelAnnouncement_clone(&msg_conv);
+	LDKChannelUpdate update_msg_conv;
+	update_msg_conv.inner = (void*)(update_msg & (~1));
+	update_msg_conv.is_owned = (update_msg & 1) || (update_msg == 0);
+	update_msg_conv = ChannelUpdate_clone(&update_msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_broadcast_channel_announcement(msg_conv, update_msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1broadcast_1node_1announcement(JNIEnv *env, jclass clz, int64_t msg) {
+	LDKNodeAnnouncement msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = NodeAnnouncement_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_broadcast_node_announcement(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1broadcast_1channel_1update(JNIEnv *env, jclass clz, int64_t msg) {
+	LDKChannelUpdate msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelUpdate_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_broadcast_channel_update(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1channel_1update(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKChannelUpdate msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelUpdate_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_channel_update(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1handle_1error(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t action) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKErrorAction action_conv = *(LDKErrorAction*)(((uint64_t)action) & ~1);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_handle_error(node_id_ref, action_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1payment_1failure_1network_1update(JNIEnv *env, jclass clz, int64_t update) {
+	LDKHTLCFailChannelUpdate update_conv = *(LDKHTLCFailChannelUpdate*)(((uint64_t)update) & ~1);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_payment_failure_network_update(update_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1channel_1range_1query(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKQueryChannelRange msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = QueryChannelRange_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_channel_range_query(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1short_1ids_1query(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKQueryShortChannelIds msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = QueryShortChannelIds_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_short_ids_query(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1reply_1channel_1range(JNIEnv *env, jclass clz, int8_tArray node_id, int64_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKReplyChannelRange msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ReplyChannelRange_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_reply_channel_range(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageSendEventsProvider_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
 	if ((this_ptr & 1) != 0) return;
 	LDKMessageSendEventsProvider this_ptr_conv = *(LDKMessageSendEventsProvider*)(((uint64_t)this_ptr) & ~1);
@@ -13318,10 +13684,49 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_APIError_1free(JNIEnv *env, jc
 	APIError_free(this_ptr_conv);
 }
 
-JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1clone(JNIEnv *env, jclass clz, int64_t orig) {
-	LDKAPIError* orig_conv = (LDKAPIError*)orig;
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1clone(JNIEnv *env, jclass clz, int64_t orig) {
+	LDKAPIError* orig_conv = (LDKAPIError*)orig;
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_clone(orig_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1apimisuse_1error(JNIEnv *env, jclass clz, jstring err) {
+	LDKStr err_conv = java_to_owned_str(env, err);
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_apimisuse_error(err_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1fee_1rate_1too_1high(JNIEnv *env, jclass clz, jstring err, int32_t feerate) {
+	LDKStr err_conv = java_to_owned_str(env, err);
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_fee_rate_too_high(err_conv, feerate);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1route_1error(JNIEnv *env, jclass clz, jstring err) {
+	LDKStr err_conv = java_to_owned_str(env, err);
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_route_error(err_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1channel_1unavailable(JNIEnv *env, jclass clz, jstring err) {
+	LDKStr err_conv = java_to_owned_str(env, err);
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_channel_unavailable(err_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_APIError_1monitor_1update_1failed(JNIEnv *env, jclass clz) {
 	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
-	*ret_copy = APIError_clone(orig_conv);
+	*ret_copy = APIError_monitor_update_failed();
 	uint64_t ret_ref = (uint64_t)ret_copy;
 	return ret_ref;
 }
@@ -13370,6 +13775,31 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Level_1clone(JNIEnv *env, jc
 	return ret_conv;
 }
 
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Level_1trace(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKLevel_to_java(env, Level_trace());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Level_1debug(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKLevel_to_java(env, Level_debug());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Level_1info(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKLevel_to_java(env, Level_info());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Level_1warn(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKLevel_to_java(env, Level_warn());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Level_1error(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKLevel_to_java(env, Level_error());
+	return ret_conv;
+}
+
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_Level_1eq(JNIEnv *env, jclass clz, int64_t a, int64_t b) {
 	LDKLevel* a_conv = (LDKLevel*)(a & ~1);
 	LDKLevel* b_conv = (LDKLevel*)(b & ~1);
@@ -14000,6 +14430,16 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_AccessError_1clone(JNIEnv *e
 	return ret_conv;
 }
 
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_AccessError_1unknown_1chain(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKAccessError_to_java(env, AccessError_unknown_chain());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_AccessError_1unknown_1tx(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKAccessError_to_java(env, AccessError_unknown_tx());
+	return ret_conv;
+}
+
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Access_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
 	if ((this_ptr & 1) != 0) return;
 	LDKAccess this_ptr_conv = *(LDKAccess*)(((uint64_t)this_ptr) & ~1);
@@ -14164,6 +14604,21 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_ConfirmationTarget_1clone(JN
 	return ret_conv;
 }
 
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_ConfirmationTarget_1background(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKConfirmationTarget_to_java(env, ConfirmationTarget_background());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_ConfirmationTarget_1normal(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKConfirmationTarget_to_java(env, ConfirmationTarget_normal());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_ConfirmationTarget_1high_1priority(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKConfirmationTarget_to_java(env, ConfirmationTarget_high_priority());
+	return ret_conv;
+}
+
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_FeeEstimator_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
 	if ((this_ptr & 1) != 0) return;
 	LDKFeeEstimator this_ptr_conv = *(LDKFeeEstimator*)(((uint64_t)this_ptr) & ~1);
@@ -14185,7 +14640,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1new(JNIEnv *e
 		chain_source_conv = *(LDKFilter*)(((uint64_t)chain_source) & ~1);
 		if (chain_source_conv.free == LDKFilter_JCalls_free) {
 			// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-			LDKFilter_JCalls_clone(chain_source_conv.this_arg);
+			LDKFilter_JCalls_cloned(&chain_source_conv);
 		}
 		chain_source_conv_ptr = MALLOC(sizeof(LDKFilter), "LDKFilter");
 		*chain_source_conv_ptr = chain_source_conv;
@@ -14193,22 +14648,22 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChainMonitor_1new(JNIEnv *e
 	LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
 	if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKBroadcasterInterface_JCalls_clone(broadcaster_conv.this_arg);
+		LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
 	}
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	LDKFeeEstimator feeest_conv = *(LDKFeeEstimator*)(((uint64_t)feeest) & ~1);
 	if (feeest_conv.free == LDKFeeEstimator_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKFeeEstimator_JCalls_clone(feeest_conv.this_arg);
+		LDKFeeEstimator_JCalls_cloned(&feeest_conv);
 	}
 	LDKPersist persister_conv = *(LDKPersist*)(((uint64_t)persister) & ~1);
 	if (persister_conv.free == LDKPersist_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKPersist_JCalls_clone(persister_conv.this_arg);
+		LDKPersist_JCalls_cloned(&persister_conv);
 	}
 	LDKChainMonitor ret_var = ChainMonitor_new(chain_source_conv_ptr, 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.
@@ -14319,6 +14774,16 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdateErr_1clo
 	return ret_conv;
 }
 
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdateErr_1temporary_1failure(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKChannelMonitorUpdateErr_to_java(env, ChannelMonitorUpdateErr_temporary_failure());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdateErr_1permanent_1failure(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKChannelMonitorUpdateErr_to_java(env, ChannelMonitorUpdateErr_permanent_failure());
+	return ret_conv;
+}
+
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MonitorUpdateError_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
 	LDKMonitorUpdateError this_obj_conv;
 	this_obj_conv.inner = (void*)(this_obj & (~1));
@@ -14355,6 +14820,28 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1clone(JNIEnv
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1htlcevent(JNIEnv *env, jclass clz, int64_t a) {
+	LDKHTLCUpdate a_conv;
+	a_conv.inner = (void*)(a & (~1));
+	a_conv.is_owned = (a & 1) || (a == 0);
+	a_conv = HTLCUpdate_clone(&a_conv);
+	LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
+	*ret_copy = MonitorEvent_htlcevent(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1commitment_1tx_1broadcasted(JNIEnv *env, jclass clz, int64_t a) {
+	LDKOutPoint a_conv;
+	a_conv.inner = (void*)(a & (~1));
+	a_conv.is_owned = (a & 1) || (a == 0);
+	a_conv = OutPoint_clone(&a_conv);
+	LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
+	*ret_copy = MonitorEvent_commitment_tx_broadcasted(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_HTLCUpdate_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
 	LDKHTLCUpdate this_obj_conv;
 	this_obj_conv.inner = (void*)(this_obj & (~1));
@@ -14566,17 +15053,17 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1block_
 	LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
 	if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKBroadcasterInterface_JCalls_clone(broadcaster_conv.this_arg);
+		LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
 	}
 	LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
 	if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKFeeEstimator_JCalls_clone(fee_estimator_conv.this_arg);
+		LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
 	}
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	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);
 	int64_tArray ret_arr = (*env)->NewLongArray(env, ret_var.datalen);
@@ -14602,17 +15089,17 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1block_1disconn
 	LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
 	if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKBroadcasterInterface_JCalls_clone(broadcaster_conv.this_arg);
+		LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
 	}
 	LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
 	if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKFeeEstimator_JCalls_clone(fee_estimator_conv.this_arg);
+		LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
 	}
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	ChannelMonitor_block_disconnected(&this_arg_conv, header_ref, height, broadcaster_conv, fee_estimator_conv, logger_conv);
 }
@@ -14642,17 +15129,17 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1transa
 	LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
 	if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKBroadcasterInterface_JCalls_clone(broadcaster_conv.this_arg);
+		LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
 	}
 	LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
 	if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKFeeEstimator_JCalls_clone(fee_estimator_conv.this_arg);
+		LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
 	}
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	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);
 	int64_tArray ret_arr = (*env)->NewLongArray(env, ret_var.datalen);
@@ -14678,17 +15165,17 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1transaction_1u
 	LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
 	if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKBroadcasterInterface_JCalls_clone(broadcaster_conv.this_arg);
+		LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
 	}
 	LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
 	if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKFeeEstimator_JCalls_clone(fee_estimator_conv.this_arg);
+		LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
 	}
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	ChannelMonitor_transaction_unconfirmed(&this_arg_conv, txid_ref, broadcaster_conv, fee_estimator_conv, logger_conv);
 }
@@ -14704,17 +15191,17 @@ JNIEXPORT int64_tArray JNICALL Java_org_ldk_impl_bindings_ChannelMonitor_1best_1
 	LDKBroadcasterInterface broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)broadcaster) & ~1);
 	if (broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKBroadcasterInterface_JCalls_clone(broadcaster_conv.this_arg);
+		LDKBroadcasterInterface_JCalls_cloned(&broadcaster_conv);
 	}
 	LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
 	if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKFeeEstimator_JCalls_clone(fee_estimator_conv.this_arg);
+		LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
 	}
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ ret_var = ChannelMonitor_best_block_updated(&this_arg_conv, header_ref, height, broadcaster_conv, fee_estimator_conv, logger_conv);
 	int64_tArray ret_arr = (*env)->NewLongArray(env, ret_var.datalen);
@@ -15225,6 +15712,40 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1static_1output(JNIEnv *env, jclass clz, int64_t outpoint, int64_t output) {
+	LDKOutPoint outpoint_conv;
+	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);
+	LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
+	*ret_copy = SpendableOutputDescriptor_static_output(outpoint_conv, output_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1delayed_1payment_1output(JNIEnv *env, jclass clz, int64_t a) {
+	LDKDelayedPaymentOutputDescriptor a_conv;
+	a_conv.inner = (void*)(a & (~1));
+	a_conv.is_owned = (a & 1) || (a == 0);
+	a_conv = DelayedPaymentOutputDescriptor_clone(&a_conv);
+	LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
+	*ret_copy = SpendableOutputDescriptor_delayed_payment_output(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1static_1payment_1output(JNIEnv *env, jclass clz, int64_t a) {
+	LDKStaticPaymentOutputDescriptor a_conv;
+	a_conv.inner = (void*)(a & (~1));
+	a_conv.is_owned = (a & 1) || (a == 0);
+	a_conv = StaticPaymentOutputDescriptor_clone(&a_conv);
+	LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
+	*ret_copy = SpendableOutputDescriptor_static_payment_output(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1write(JNIEnv *env, jclass clz, int64_t obj) {
 	LDKSpendableOutputDescriptor* obj_conv = (LDKSpendableOutputDescriptor*)obj;
 	LDKCVec_u8Z ret_var = SpendableOutputDescriptor_write(obj_conv);
@@ -16156,31 +16677,102 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1clone(J
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1parameter_1error(JNIEnv *env, jclass clz, int64_t a) {
+	LDKAPIError a_conv = *(LDKAPIError*)(((uint64_t)a) & ~1);
+	LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
+	*ret_copy = PaymentSendFailure_parameter_error(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1path_1parameter_1error(JNIEnv *env, jclass clz, int64_tArray a) {
+	LDKCVec_CResult_NoneAPIErrorZZ a_constr;
+	a_constr.datalen = (*env)->GetArrayLength(env, a);
+	if (a_constr.datalen > 0)
+		a_constr.data = MALLOC(a_constr.datalen * sizeof(LDKCResult_NoneAPIErrorZ), "LDKCVec_CResult_NoneAPIErrorZZ Elements");
+	else
+		a_constr.data = NULL;
+	int64_t* a_vals = (*env)->GetLongArrayElements (env, a, NULL);
+	for (size_t w = 0; w < a_constr.datalen; w++) {
+		int64_t a_conv_22 = a_vals[w];
+		LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1);
+		a_conv_22_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1));
+		a_constr.data[w] = a_conv_22_conv;
+	}
+	(*env)->ReleaseLongArrayElements(env, a, a_vals, 0);
+	LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
+	*ret_copy = PaymentSendFailure_path_parameter_error(a_constr);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1all_1failed_1retry_1safe(JNIEnv *env, jclass clz, int64_tArray a) {
+	LDKCVec_APIErrorZ a_constr;
+	a_constr.datalen = (*env)->GetArrayLength(env, a);
+	if (a_constr.datalen > 0)
+		a_constr.data = MALLOC(a_constr.datalen * sizeof(LDKAPIError), "LDKCVec_APIErrorZ Elements");
+	else
+		a_constr.data = NULL;
+	int64_t* a_vals = (*env)->GetLongArrayElements (env, a, NULL);
+	for (size_t k = 0; k < a_constr.datalen; k++) {
+		int64_t a_conv_10 = a_vals[k];
+		LDKAPIError a_conv_10_conv = *(LDKAPIError*)(((uint64_t)a_conv_10) & ~1);
+		a_conv_10_conv = APIError_clone((LDKAPIError*)(((uint64_t)a_conv_10) & ~1));
+		a_constr.data[k] = a_conv_10_conv;
+	}
+	(*env)->ReleaseLongArrayElements(env, a, a_vals, 0);
+	LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
+	*ret_copy = PaymentSendFailure_all_failed_retry_safe(a_constr);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1partial_1failure(JNIEnv *env, jclass clz, int64_tArray a) {
+	LDKCVec_CResult_NoneAPIErrorZZ a_constr;
+	a_constr.datalen = (*env)->GetArrayLength(env, a);
+	if (a_constr.datalen > 0)
+		a_constr.data = MALLOC(a_constr.datalen * sizeof(LDKCResult_NoneAPIErrorZ), "LDKCVec_CResult_NoneAPIErrorZZ Elements");
+	else
+		a_constr.data = NULL;
+	int64_t* a_vals = (*env)->GetLongArrayElements (env, a, NULL);
+	for (size_t w = 0; w < a_constr.datalen; w++) {
+		int64_t a_conv_22 = a_vals[w];
+		LDKCResult_NoneAPIErrorZ a_conv_22_conv = *(LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1);
+		a_conv_22_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1));
+		a_constr.data[w] = a_conv_22_conv;
+	}
+	(*env)->ReleaseLongArrayElements(env, a, a_vals, 0);
+	LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
+	*ret_copy = PaymentSendFailure_partial_failure(a_constr);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManager_1new(JNIEnv *env, jclass clz, int64_t fee_est, int64_t chain_monitor, int64_t tx_broadcaster, int64_t logger, int64_t keys_manager, int64_t config, int64_t params) {
 	LDKFeeEstimator fee_est_conv = *(LDKFeeEstimator*)(((uint64_t)fee_est) & ~1);
 	if (fee_est_conv.free == LDKFeeEstimator_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKFeeEstimator_JCalls_clone(fee_est_conv.this_arg);
+		LDKFeeEstimator_JCalls_cloned(&fee_est_conv);
 	}
 	LDKWatch chain_monitor_conv = *(LDKWatch*)(((uint64_t)chain_monitor) & ~1);
 	if (chain_monitor_conv.free == LDKWatch_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKWatch_JCalls_clone(chain_monitor_conv.this_arg);
+		LDKWatch_JCalls_cloned(&chain_monitor_conv);
 	}
 	LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)tx_broadcaster) & ~1);
 	if (tx_broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKBroadcasterInterface_JCalls_clone(tx_broadcaster_conv.this_arg);
+		LDKBroadcasterInterface_JCalls_cloned(&tx_broadcaster_conv);
 	}
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
 	if (keys_manager_conv.free == LDKKeysInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKKeysInterface_JCalls_clone(keys_manager_conv.this_arg);
+		LDKKeysInterface_JCalls_cloned(&keys_manager_conv);
 	}
 	LDKUserConfig config_conv;
 	config_conv.inner = (void*)(config & (~1));
@@ -16555,7 +17147,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1k
 	LDKKeysInterface val_conv = *(LDKKeysInterface*)(((uint64_t)val) & ~1);
 	if (val_conv.free == LDKKeysInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKKeysInterface_JCalls_clone(val_conv.this_arg);
+		LDKKeysInterface_JCalls_cloned(&val_conv);
 	}
 	ChannelManagerReadArgs_set_keys_manager(&this_ptr_conv, val_conv);
 }
@@ -16575,7 +17167,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1f
 	LDKFeeEstimator val_conv = *(LDKFeeEstimator*)(((uint64_t)val) & ~1);
 	if (val_conv.free == LDKFeeEstimator_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKFeeEstimator_JCalls_clone(val_conv.this_arg);
+		LDKFeeEstimator_JCalls_cloned(&val_conv);
 	}
 	ChannelManagerReadArgs_set_fee_estimator(&this_ptr_conv, val_conv);
 }
@@ -16595,7 +17187,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1c
 	LDKWatch val_conv = *(LDKWatch*)(((uint64_t)val) & ~1);
 	if (val_conv.free == LDKWatch_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKWatch_JCalls_clone(val_conv.this_arg);
+		LDKWatch_JCalls_cloned(&val_conv);
 	}
 	ChannelManagerReadArgs_set_chain_monitor(&this_ptr_conv, val_conv);
 }
@@ -16615,7 +17207,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1t
 	LDKBroadcasterInterface val_conv = *(LDKBroadcasterInterface*)(((uint64_t)val) & ~1);
 	if (val_conv.free == LDKBroadcasterInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKBroadcasterInterface_JCalls_clone(val_conv.this_arg);
+		LDKBroadcasterInterface_JCalls_cloned(&val_conv);
 	}
 	ChannelManagerReadArgs_set_tx_broadcaster(&this_ptr_conv, val_conv);
 }
@@ -16635,7 +17227,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1set_1l
 	LDKLogger val_conv = *(LDKLogger*)(((uint64_t)val) & ~1);
 	if (val_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(val_conv.this_arg);
+		LDKLogger_JCalls_cloned(&val_conv);
 	}
 	ChannelManagerReadArgs_set_logger(&this_ptr_conv, val_conv);
 }
@@ -16669,27 +17261,27 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ChannelManagerReadArgs_1new
 	LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
 	if (keys_manager_conv.free == LDKKeysInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKKeysInterface_JCalls_clone(keys_manager_conv.this_arg);
+		LDKKeysInterface_JCalls_cloned(&keys_manager_conv);
 	}
 	LDKFeeEstimator fee_estimator_conv = *(LDKFeeEstimator*)(((uint64_t)fee_estimator) & ~1);
 	if (fee_estimator_conv.free == LDKFeeEstimator_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKFeeEstimator_JCalls_clone(fee_estimator_conv.this_arg);
+		LDKFeeEstimator_JCalls_cloned(&fee_estimator_conv);
 	}
 	LDKWatch chain_monitor_conv = *(LDKWatch*)(((uint64_t)chain_monitor) & ~1);
 	if (chain_monitor_conv.free == LDKWatch_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKWatch_JCalls_clone(chain_monitor_conv.this_arg);
+		LDKWatch_JCalls_cloned(&chain_monitor_conv);
 	}
 	LDKBroadcasterInterface tx_broadcaster_conv = *(LDKBroadcasterInterface*)(((uint64_t)tx_broadcaster) & ~1);
 	if (tx_broadcaster_conv.free == LDKBroadcasterInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKBroadcasterInterface_JCalls_clone(tx_broadcaster_conv.this_arg);
+		LDKBroadcasterInterface_JCalls_cloned(&tx_broadcaster_conv);
 	}
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	LDKUserConfig default_config_conv;
 	default_config_conv.inner = (void*)(default_config & (~1));
@@ -16848,6 +17440,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_ErrorMessage_1get_1data(JNI
 	this_ptr_conv.is_owned = false;
 	LDKStr ret_str = ErrorMessage_get_data(&this_ptr_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -18884,6 +19477,46 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1clone(JNIEnv *e
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1ipv4(JNIEnv *env, jclass clz, int8_tArray addr, int16_t port) {
+	LDKFourBytes addr_ref;
+	CHECK((*env)->GetArrayLength(env, addr) == 4);
+	(*env)->GetByteArrayRegion(env, addr, 0, 4, addr_ref.data);
+	LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
+	*ret_copy = NetAddress_ipv4(addr_ref, port);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1ipv6(JNIEnv *env, jclass clz, int8_tArray addr, int16_t port) {
+	LDKSixteenBytes addr_ref;
+	CHECK((*env)->GetArrayLength(env, addr) == 16);
+	(*env)->GetByteArrayRegion(env, addr, 0, 16, addr_ref.data);
+	LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
+	*ret_copy = NetAddress_ipv6(addr_ref, port);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1onion_1v2(JNIEnv *env, jclass clz, int8_tArray addr, int16_t port) {
+	LDKTenBytes addr_ref;
+	CHECK((*env)->GetArrayLength(env, addr) == 10);
+	(*env)->GetByteArrayRegion(env, addr, 0, 10, addr_ref.data);
+	LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
+	*ret_copy = NetAddress_onion_v2(addr_ref, port);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetAddress_1onion_1v3(JNIEnv *env, jclass clz, int8_tArray ed25519_pubkey, int16_t checksum, int8_t version, int16_t port) {
+	LDKThirtyTwoBytes ed25519_pubkey_ref;
+	CHECK((*env)->GetArrayLength(env, ed25519_pubkey) == 32);
+	(*env)->GetByteArrayRegion(env, ed25519_pubkey, 0, 32, ed25519_pubkey_ref.data);
+	LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
+	*ret_copy = NetAddress_onion_v3(ed25519_pubkey_ref, checksum, version, port);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT int8_tArray JNICALL Java_org_ldk_impl_bindings_NetAddress_1write(JNIEnv *env, jclass clz, int64_t obj) {
 	LDKNetAddress* obj_conv = (LDKNetAddress*)obj;
 	LDKCVec_u8Z ret_var = NetAddress_write(obj_conv);
@@ -20135,6 +20768,43 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1clone(JNIEnv *
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1disconnect_1peer(JNIEnv *env, jclass clz, int64_t msg) {
+	LDKErrorMessage msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ErrorMessage_clone(&msg_conv);
+	LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
+	*ret_copy = ErrorAction_disconnect_peer(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1ignore_1error(JNIEnv *env, jclass clz) {
+	LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
+	*ret_copy = ErrorAction_ignore_error();
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1ignore_1and_1log(JNIEnv *env, jclass clz, jclass a) {
+	LDKLevel a_conv = LDKLevel_from_java(env, a);
+	LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
+	*ret_copy = ErrorAction_ignore_and_log(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_ErrorAction_1send_1error_1message(JNIEnv *env, jclass clz, int64_t msg) {
+	LDKErrorMessage msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ErrorMessage_clone(&msg_conv);
+	LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
+	*ret_copy = ErrorAction_send_error_message(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_LightningError_1free(JNIEnv *env, jclass clz, int64_t this_obj) {
 	LDKLightningError this_obj_conv;
 	this_obj_conv.inner = (void*)(this_obj & (~1));
@@ -20148,6 +20818,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_LightningError_1get_1err(JN
 	this_ptr_conv.is_owned = false;
 	LDKStr ret_str = LightningError_get_err(&this_ptr_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -20465,6 +21136,34 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCFailChannelUpdate_1clon
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCFailChannelUpdate_1channel_1update_1message(JNIEnv *env, jclass clz, int64_t msg) {
+	LDKChannelUpdate msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelUpdate_clone(&msg_conv);
+	LDKHTLCFailChannelUpdate *ret_copy = MALLOC(sizeof(LDKHTLCFailChannelUpdate), "LDKHTLCFailChannelUpdate");
+	*ret_copy = HTLCFailChannelUpdate_channel_update_message(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCFailChannelUpdate_1channel_1closed(JNIEnv *env, jclass clz, int64_t short_channel_id, jboolean is_permanent) {
+	LDKHTLCFailChannelUpdate *ret_copy = MALLOC(sizeof(LDKHTLCFailChannelUpdate), "LDKHTLCFailChannelUpdate");
+	*ret_copy = HTLCFailChannelUpdate_channel_closed(short_channel_id, is_permanent);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_HTLCFailChannelUpdate_1node_1failure(JNIEnv *env, jclass clz, int8_tArray node_id, jboolean is_permanent) {
+	LDKPublicKey node_id_ref;
+	CHECK((*env)->GetArrayLength(env, node_id) == 33);
+	(*env)->GetByteArrayRegion(env, node_id, 0, 33, node_id_ref.compressed_form);
+	LDKHTLCFailChannelUpdate *ret_copy = MALLOC(sizeof(LDKHTLCFailChannelUpdate), "LDKHTLCFailChannelUpdate");
+	*ret_copy = HTLCFailChannelUpdate_node_failure(node_id_ref, is_permanent);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1free(JNIEnv *env, jclass clz, int64_t this_ptr) {
 	if ((this_ptr & 1) != 0) return;
 	LDKChannelMessageHandler this_ptr_conv = *(LDKChannelMessageHandler*)(((uint64_t)this_ptr) & ~1);
@@ -21232,7 +21931,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageHandler_1set_1chan_1han
 	LDKChannelMessageHandler val_conv = *(LDKChannelMessageHandler*)(((uint64_t)val) & ~1);
 	if (val_conv.free == LDKChannelMessageHandler_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKChannelMessageHandler_JCalls_clone(val_conv.this_arg);
+		LDKChannelMessageHandler_JCalls_cloned(&val_conv);
 	}
 	MessageHandler_set_chan_handler(&this_ptr_conv, val_conv);
 }
@@ -21252,7 +21951,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageHandler_1set_1route_1ha
 	LDKRoutingMessageHandler val_conv = *(LDKRoutingMessageHandler*)(((uint64_t)val) & ~1);
 	if (val_conv.free == LDKRoutingMessageHandler_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKRoutingMessageHandler_JCalls_clone(val_conv.this_arg);
+		LDKRoutingMessageHandler_JCalls_cloned(&val_conv);
 	}
 	MessageHandler_set_route_handler(&this_ptr_conv, val_conv);
 }
@@ -21261,12 +21960,12 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_MessageHandler_1new(JNIEnv
 	LDKChannelMessageHandler chan_handler_arg_conv = *(LDKChannelMessageHandler*)(((uint64_t)chan_handler_arg) & ~1);
 	if (chan_handler_arg_conv.free == LDKChannelMessageHandler_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKChannelMessageHandler_JCalls_clone(chan_handler_arg_conv.this_arg);
+		LDKChannelMessageHandler_JCalls_cloned(&chan_handler_arg_conv);
 	}
 	LDKRoutingMessageHandler route_handler_arg_conv = *(LDKRoutingMessageHandler*)(((uint64_t)route_handler_arg) & ~1);
 	if (route_handler_arg_conv.free == LDKRoutingMessageHandler_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKRoutingMessageHandler_JCalls_clone(route_handler_arg_conv.this_arg);
+		LDKRoutingMessageHandler_JCalls_cloned(&route_handler_arg_conv);
 	}
 	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.
@@ -21361,7 +22060,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new(JNIEnv *en
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	LDKPeerManager ret_var = PeerManager_new(message_handler_conv, our_node_secret_ref, ephemeral_random_data_ref, logger_conv);
 	CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -21399,7 +22098,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new_1outbound_
 	LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
 	if (descriptor_conv.free == LDKSocketDescriptor_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKSocketDescriptor_JCalls_clone(descriptor_conv.this_arg);
+		LDKSocketDescriptor_JCalls_cloned(&descriptor_conv);
 	}
 	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);
@@ -21413,7 +22112,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_PeerManager_1new_1inbound_1
 	LDKSocketDescriptor descriptor_conv = *(LDKSocketDescriptor*)(((uint64_t)descriptor) & ~1);
 	if (descriptor_conv.free == LDKSocketDescriptor_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKSocketDescriptor_JCalls_clone(descriptor_conv.this_arg);
+		LDKSocketDescriptor_JCalls_cloned(&descriptor_conv);
 	}
 	LDKCResult_NonePeerHandleErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_NonePeerHandleErrorZ), "LDKCResult_NonePeerHandleErrorZ");
 	*ret_conv = PeerManager_new_inbound_connection(&this_arg_conv, descriptor_conv);
@@ -23720,20 +24419,24 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_get_1route(JNIEnv *env, jcl
 	payee_features_conv.is_owned = (payee_features & 1) || (payee_features == 0);
 	payee_features_conv = InvoiceFeatures_clone(&payee_features_conv);
 	LDKCVec_ChannelDetailsZ first_hops_constr;
-	first_hops_constr.datalen = (*env)->GetArrayLength(env, first_hops);
-	if (first_hops_constr.datalen > 0)
-		first_hops_constr.data = MALLOC(first_hops_constr.datalen * sizeof(LDKChannelDetails), "LDKCVec_ChannelDetailsZ Elements");
-	else
-		first_hops_constr.data = NULL;
-	int64_t* first_hops_vals = (*env)->GetLongArrayElements (env, first_hops, NULL);
-	for (size_t q = 0; q < first_hops_constr.datalen; q++) {
-		int64_t first_hops_conv_16 = first_hops_vals[q];
-		LDKChannelDetails first_hops_conv_16_conv;
-		first_hops_conv_16_conv.inner = (void*)(first_hops_conv_16 & (~1));
-		first_hops_conv_16_conv.is_owned = (first_hops_conv_16 & 1) || (first_hops_conv_16 == 0);
-		first_hops_constr.data[q] = first_hops_conv_16_conv;
-	}
-	(*env)->ReleaseLongArrayElements(env, first_hops, first_hops_vals, 0);
+	LDKCVec_ChannelDetailsZ *first_hops_ptr = NULL;
+	if (first_hops != NULL) {
+		first_hops_constr.datalen = (*env)->GetArrayLength(env, first_hops);
+		if (first_hops_constr.datalen > 0)
+			first_hops_constr.data = MALLOC(first_hops_constr.datalen * sizeof(LDKChannelDetails), "LDKCVec_ChannelDetailsZ Elements");
+		else
+			first_hops_constr.data = NULL;
+		int64_t* first_hops_vals = (*env)->GetLongArrayElements (env, first_hops, NULL);
+		for (size_t q = 0; q < first_hops_constr.datalen; q++) {
+			int64_t first_hops_conv_16 = first_hops_vals[q];
+			LDKChannelDetails first_hops_conv_16_conv;
+			first_hops_conv_16_conv.inner = (void*)(first_hops_conv_16 & (~1));
+			first_hops_conv_16_conv.is_owned = (first_hops_conv_16 & 1) || (first_hops_conv_16 == 0);
+			first_hops_constr.data[q] = first_hops_conv_16_conv;
+		}
+		(*env)->ReleaseLongArrayElements(env, first_hops, first_hops_vals, 0);
+		first_hops_ptr = &first_hops_constr;
+	}
 	LDKCVec_RouteHintZ last_hops_constr;
 	last_hops_constr.datalen = (*env)->GetArrayLength(env, last_hops);
 	if (last_hops_constr.datalen > 0)
@@ -23753,11 +24456,11 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_get_1route(JNIEnv *env, jcl
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
-	*ret_conv = get_route(our_node_id_ref, &network_conv, payee_ref, payee_features_conv, &first_hops_constr, last_hops_constr, final_value_msat, final_cltv, logger_conv);
-	FREE(first_hops_constr.data);
+	*ret_conv = get_route(our_node_id_ref, &network_conv, payee_ref, payee_features_conv, first_hops_ptr, last_hops_constr, final_value_msat, final_cltv, logger_conv);
+	if (first_hops_ptr != NULL) { FREE(first_hops_constr.data); }
 	return (uint64_t)ret_conv;
 }
 
@@ -23806,7 +24509,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1new(JNI
 		chain_access_conv = *(LDKAccess*)(((uint64_t)chain_access) & ~1);
 		if (chain_access_conv.free == LDKAccess_JCalls_free) {
 			// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-			LDKAccess_JCalls_clone(chain_access_conv.this_arg);
+			LDKAccess_JCalls_cloned(&chain_access_conv);
 		}
 		chain_access_conv_ptr = MALLOC(sizeof(LDKAccess), "LDKAccess");
 		*chain_access_conv_ptr = chain_access_conv;
@@ -23814,7 +24517,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1new(JNI
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	LDKNetGraphMsgHandler ret_var = NetGraphMsgHandler_new(genesis_hash_ref, chain_access_conv_ptr, logger_conv);
 	CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -23833,7 +24536,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1from_1n
 		chain_access_conv = *(LDKAccess*)(((uint64_t)chain_access) & ~1);
 		if (chain_access_conv.free == LDKAccess_JCalls_free) {
 			// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-			LDKAccess_JCalls_clone(chain_access_conv.this_arg);
+			LDKAccess_JCalls_cloned(&chain_access_conv);
 		}
 		chain_access_conv_ptr = MALLOC(sizeof(LDKAccess), "LDKAccess");
 		*chain_access_conv_ptr = chain_access_conv;
@@ -23841,7 +24544,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1from_1n
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	LDKNetworkGraph network_graph_conv;
 	network_graph_conv.inner = (void*)(network_graph & (~1));
@@ -23867,7 +24570,7 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetGraphMsgHandler_1add_1chain
 		chain_access_conv = *(LDKAccess*)(((uint64_t)chain_access) & ~1);
 		if (chain_access_conv.free == LDKAccess_JCalls_free) {
 			// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-			LDKAccess_JCalls_clone(chain_access_conv.this_arg);
+			LDKAccess_JCalls_cloned(&chain_access_conv);
 		}
 		chain_access_conv_ptr = MALLOC(sizeof(LDKAccess), "LDKAccess");
 		*chain_access_conv_ptr = chain_access_conv;
@@ -24855,7 +25558,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1chann
 		chain_access_conv = *(LDKAccess*)(((uint64_t)chain_access) & ~1);
 		if (chain_access_conv.free == LDKAccess_JCalls_free) {
 			// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-			LDKAccess_JCalls_clone(chain_access_conv.this_arg);
+			LDKAccess_JCalls_cloned(&chain_access_conv);
 		}
 		chain_access_conv_ptr = MALLOC(sizeof(LDKAccess), "LDKAccess");
 		*chain_access_conv_ptr = chain_access_conv;
@@ -24878,7 +25581,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_NetworkGraph_1update_1chann
 		chain_access_conv = *(LDKAccess*)(((uint64_t)chain_access) & ~1);
 		if (chain_access_conv.free == LDKAccess_JCalls_free) {
 			// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-			LDKAccess_JCalls_clone(chain_access_conv.this_arg);
+			LDKAccess_JCalls_cloned(&chain_access_conv);
 		}
 		chain_access_conv_ptr = MALLOC(sizeof(LDKAccess), "LDKAccess");
 		*chain_access_conv_ptr = chain_access_conv;
@@ -24944,6 +25647,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1get_1d
 	this_arg_conv.is_owned = false;
 	LDKStr ret_str = FilesystemPersister_get_data_dir(&this_arg_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -24964,7 +25668,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_FilesystemPersister_1read_1
 	LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
 	if (keys_manager_conv.free == LDKKeysInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKKeysInterface_JCalls_clone(keys_manager_conv.this_arg);
+		LDKKeysInterface_JCalls_cloned(&keys_manager_conv);
 	}
 	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);
@@ -24998,12 +25702,12 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1start(
 	LDKChannelManagerPersister persister_conv = *(LDKChannelManagerPersister*)(((uint64_t)persister) & ~1);
 	if (persister_conv.free == LDKChannelManagerPersister_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKChannelManagerPersister_JCalls_clone(persister_conv.this_arg);
+		LDKChannelManagerPersister_JCalls_cloned(&persister_conv);
 	}
 	LDKEventHandler event_handler_conv = *(LDKEventHandler*)(((uint64_t)event_handler) & ~1);
 	if (event_handler_conv.free == LDKEventHandler_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKEventHandler_JCalls_clone(event_handler_conv.this_arg);
+		LDKEventHandler_JCalls_cloned(&event_handler_conv);
 	}
 	LDKChainMonitor chain_monitor_conv;
 	chain_monitor_conv.inner = (void*)(chain_monitor & (~1));
@@ -25017,7 +25721,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_BackgroundProcessor_1start(
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	if (logger_conv.free == LDKLogger_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKLogger_JCalls_clone(logger_conv.this_arg);
+		LDKLogger_JCalls_cloned(&logger_conv);
 	}
 	LDKBackgroundProcessor ret_var = BackgroundProcessor_start(persister_conv, event_handler_conv, &chain_monitor_conv, &channel_manager_conv, &peer_manager_conv, logger_conv);
 	CHECK((((uint64_t)ret_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.
@@ -25259,6 +25963,26 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SiPrefix_1clone(JNIEnv *env,
 	return ret_conv;
 }
 
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SiPrefix_1milli(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSiPrefix_to_java(env, SiPrefix_milli());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SiPrefix_1micro(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSiPrefix_to_java(env, SiPrefix_micro());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SiPrefix_1nano(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSiPrefix_to_java(env, SiPrefix_nano());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SiPrefix_1pico(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSiPrefix_to_java(env, SiPrefix_pico());
+	return ret_conv;
+}
+
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_SiPrefix_1eq(JNIEnv *env, jclass clz, int64_t a, int64_t b) {
 	LDKSiPrefix* a_conv = (LDKSiPrefix*)(a & ~1);
 	LDKSiPrefix* b_conv = (LDKSiPrefix*)(b & ~1);
@@ -25278,6 +26002,31 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Currency_1clone(JNIEnv *env,
 	return ret_conv;
 }
 
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Currency_1bitcoin(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKCurrency_to_java(env, Currency_bitcoin());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Currency_1bitcoin_1testnet(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKCurrency_to_java(env, Currency_bitcoin_testnet());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Currency_1regtest(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKCurrency_to_java(env, Currency_regtest());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Currency_1simnet(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKCurrency_to_java(env, Currency_simnet());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_Currency_1signet(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKCurrency_to_java(env, Currency_signet());
+	return ret_conv;
+}
+
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_Currency_1eq(JNIEnv *env, jclass clz, int64_t a, int64_t b) {
 	LDKCurrency* a_conv = (LDKCurrency*)(a & ~1);
 	LDKCurrency* b_conv = (LDKCurrency*)(b & ~1);
@@ -25460,6 +26209,38 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Fallback_1clone(JNIEnv *env
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Fallback_1seg_1wit_1program(JNIEnv *env, jclass clz, int8_t version, int8_tArray program) {
+	
+	LDKCVec_u8Z program_ref;
+	program_ref.datalen = (*env)->GetArrayLength(env, program);
+	program_ref.data = MALLOC(program_ref.datalen, "LDKCVec_u8Z Bytes");
+	(*env)->GetByteArrayRegion(env, program, 0, program_ref.datalen, program_ref.data);
+	LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
+	*ret_copy = Fallback_seg_wit_program((LDKu5){ ._0 = version }, program_ref);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Fallback_1pub_1key_1hash(JNIEnv *env, jclass clz, int8_tArray a) {
+	LDKTwentyBytes a_ref;
+	CHECK((*env)->GetArrayLength(env, a) == 20);
+	(*env)->GetByteArrayRegion(env, a, 0, 20, a_ref.data);
+	LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
+	*ret_copy = Fallback_pub_key_hash(a_ref);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_Fallback_1script_1hash(JNIEnv *env, jclass clz, int8_tArray a) {
+	LDKTwentyBytes a_ref;
+	CHECK((*env)->GetArrayLength(env, a) == 20);
+	(*env)->GetByteArrayRegion(env, a, 0, 20, a_ref.data);
+	LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
+	*ret_copy = Fallback_script_hash(a_ref);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_Fallback_1eq(JNIEnv *env, jclass clz, int64_t a, int64_t b) {
 	LDKFallback* a_conv = (LDKFallback*)a;
 	LDKFallback* b_conv = (LDKFallback*)b;
@@ -25963,6 +26744,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_Description_1into_1inner(JN
 	this_arg_conv = Description_clone(&this_arg_conv);
 	LDKStr ret_str = Description_into_inner(this_arg_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -26025,6 +26807,26 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_CreationError_1clone(JNIEnv
 	return ret_conv;
 }
 
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_CreationError_1description_1too_1long(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKCreationError_to_java(env, CreationError_description_too_long());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_CreationError_1route_1too_1long(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKCreationError_to_java(env, CreationError_route_too_long());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_CreationError_1timestamp_1out_1of_1bounds(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKCreationError_to_java(env, CreationError_timestamp_out_of_bounds());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_CreationError_1expiry_1time_1out_1of_1bounds(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKCreationError_to_java(env, CreationError_expiry_time_out_of_bounds());
+	return ret_conv;
+}
+
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_CreationError_1eq(JNIEnv *env, jclass clz, int64_t a, int64_t b) {
 	LDKCreationError* a_conv = (LDKCreationError*)(a & ~1);
 	LDKCreationError* b_conv = (LDKCreationError*)(b & ~1);
@@ -26036,6 +26838,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_CreationError_1to_1str(JNIE
 	LDKCreationError* o_conv = (LDKCreationError*)(o & ~1);
 	LDKStr ret_str = CreationError_to_str(o_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -26045,6 +26848,46 @@ JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SemanticError_1clone(JNIEnv
 	return ret_conv;
 }
 
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SemanticError_1no_1payment_1hash(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSemanticError_to_java(env, SemanticError_no_payment_hash());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SemanticError_1multiple_1payment_1hashes(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSemanticError_to_java(env, SemanticError_multiple_payment_hashes());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SemanticError_1no_1description(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSemanticError_to_java(env, SemanticError_no_description());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SemanticError_1multiple_1descriptions(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSemanticError_to_java(env, SemanticError_multiple_descriptions());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SemanticError_1multiple_1payment_1secrets(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSemanticError_to_java(env, SemanticError_multiple_payment_secrets());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SemanticError_1invalid_1features(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSemanticError_to_java(env, SemanticError_invalid_features());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SemanticError_1invalid_1recovery_1id(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSemanticError_to_java(env, SemanticError_invalid_recovery_id());
+	return ret_conv;
+}
+
+JNIEXPORT jclass JNICALL Java_org_ldk_impl_bindings_SemanticError_1invalid_1signature(JNIEnv *env, jclass clz) {
+	jclass ret_conv = LDKSemanticError_to_java(env, SemanticError_invalid_signature());
+	return ret_conv;
+}
+
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_SemanticError_1eq(JNIEnv *env, jclass clz, int64_t a, int64_t b) {
 	LDKSemanticError* a_conv = (LDKSemanticError*)(a & ~1);
 	LDKSemanticError* b_conv = (LDKSemanticError*)(b & ~1);
@@ -26056,6 +26899,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_SemanticError_1to_1str(JNIE
 	LDKSemanticError* o_conv = (LDKSemanticError*)(o & ~1);
 	LDKStr ret_str = SemanticError_to_str(o_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -26074,6 +26918,21 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1clone(
 	return ret_ref;
 }
 
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1sign_1error(JNIEnv *env, jclass clz) {
+	LDKSignOrCreationError *ret_copy = MALLOC(sizeof(LDKSignOrCreationError), "LDKSignOrCreationError");
+	*ret_copy = SignOrCreationError_sign_error();
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1creation_1error(JNIEnv *env, jclass clz, jclass a) {
+	LDKCreationError a_conv = LDKCreationError_from_java(env, a);
+	LDKSignOrCreationError *ret_copy = MALLOC(sizeof(LDKSignOrCreationError), "LDKSignOrCreationError");
+	*ret_copy = SignOrCreationError_creation_error(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1eq(JNIEnv *env, jclass clz, int64_t a, int64_t b) {
 	LDKSignOrCreationError* a_conv = (LDKSignOrCreationError*)a;
 	LDKSignOrCreationError* b_conv = (LDKSignOrCreationError*)b;
@@ -26085,6 +26944,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1to_1st
 	LDKSignOrCreationError* o_conv = (LDKSignOrCreationError*)o;
 	LDKStr ret_str = SignOrCreationError_to_str(o_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -26095,7 +26955,7 @@ JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_create_1invoice_1from_1chan
 	LDKKeysInterface keys_manager_conv = *(LDKKeysInterface*)(((uint64_t)keys_manager) & ~1);
 	if (keys_manager_conv.free == LDKKeysInterface_JCalls_free) {
 		// If this_arg is a JCalls struct, then we need to increment the refcnt in it.
-		LDKKeysInterface_JCalls_clone(keys_manager_conv.this_arg);
+		LDKKeysInterface_JCalls_cloned(&keys_manager_conv);
 	}
 	LDKCurrency network_conv = LDKCurrency_from_java(env, network);
 	LDKCOption_u64Z amt_msat_conv = *(LDKCOption_u64Z*)(((uint64_t)amt_msat) & ~1);
@@ -26132,6 +26992,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_Invoice_1to_1str(JNIEnv *en
 	o_conv.is_owned = false;
 	LDKStr ret_str = Invoice_to_str(&o_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -26141,6 +27002,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_SignedRawInvoice_1to_1str(J
 	o_conv.is_owned = false;
 	LDKStr ret_str = SignedRawInvoice_to_str(&o_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -26148,6 +27010,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_Currency_1to_1str(JNIEnv *e
 	LDKCurrency* o_conv = (LDKCurrency*)(o & ~1);
 	LDKStr ret_str = Currency_to_str(o_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -26155,6 +27018,7 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_SiPrefix_1to_1str(JNIEnv *e
 	LDKSiPrefix* o_conv = (LDKSiPrefix*)(o & ~1);
 	LDKStr ret_str = SiPrefix_to_str(o_conv);
 	jstring ret_conv = str_ref_to_java(env, ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
diff --git a/src/main/jni/org_ldk_impl_bindings.h b/src/main/jni/org_ldk_impl_bindings.h
index 75930552..4bc75287 100644
--- a/src/main/jni/org_ldk_impl_bindings.h
+++ b/src/main/jni/org_ldk_impl_bindings.h
@@ -143,6 +143,22 @@ JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_new_1empty_1slice_1vec
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKCVec_1u8Z_1new
   (JNIEnv *, jclass, jbyteArray);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    TxOut_get_script_pubkey
+ * Signature: (J)[B
+ */
+JNIEXPORT jbyteArray JNICALL Java_org_ldk_impl_bindings_TxOut_1get_1script_1pubkey
+  (JNIEnv *, jclass, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    TxOut_get_value
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_TxOut_1get_1value
+  (JNIEnv *, jclass, jlong);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    LDKCResult_SecretKeyErrorZ_result_ok
@@ -1095,6 +1111,14 @@ JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_BaseSign_1get_1pubkeys
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKSign_1new
   (JNIEnv *, jclass, jobject, jobject, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    LDKSign_get_BaseSign
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKSign_1get_1BaseSign
+  (JNIEnv *, jclass, jlong);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    Sign_write
@@ -3631,6 +3655,14 @@ JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_Persist_1update_1persisted_1c
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKChannelMessageHandler_1new
   (JNIEnv *, jclass, jobject, jobject);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    LDKChannelMessageHandler_get_MessageSendEventsProvider
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKChannelMessageHandler_1get_1MessageSendEventsProvider
+  (JNIEnv *, jclass, jlong);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    ChannelMessageHandler_handle_open_channel
@@ -3799,6 +3831,14 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ChannelMessageHandler_1handle_
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKRoutingMessageHandler_1new
   (JNIEnv *, jclass, jobject, jobject);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    LDKRoutingMessageHandler_get_MessageSendEventsProvider
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_LDKRoutingMessageHandler_1get_1MessageSendEventsProvider
+  (JNIEnv *, jclass, jlong);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    RoutingMessageHandler_handle_node_announcement
@@ -3967,6 +4007,14 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings__1ldk_1c_1bindings_1get_1co
 JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Transaction_1free
   (JNIEnv *, jclass, jbyteArray);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    TxOut_new
+ * Signature: ([BJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_TxOut_1new
+  (JNIEnv *, jclass, jbyteArray, jlong);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    TxOut_free
@@ -7823,6 +7871,54 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Event_1free
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_Event_1clone
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    Event_funding_generation_ready
+ * Signature: ([BJ[BJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_Event_1funding_1generation_1ready
+  (JNIEnv *, jclass, jbyteArray, jlong, jbyteArray, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    Event_payment_received
+ * Signature: ([B[B[BJJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_Event_1payment_1received
+  (JNIEnv *, jclass, jbyteArray, jbyteArray, jbyteArray, jlong, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    Event_payment_sent
+ * Signature: ([B)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_Event_1payment_1sent
+  (JNIEnv *, jclass, jbyteArray);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    Event_payment_failed
+ * Signature: ([BZ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_Event_1payment_1failed
+  (JNIEnv *, jclass, jbyteArray, jboolean);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    Event_pending_htlcs_forwardable
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_Event_1pending_1htlcs_1forwardable
+  (JNIEnv *, jclass, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    Event_spendable_outputs
+ * Signature: ([J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_Event_1spendable_1outputs
+  (JNIEnv *, jclass, jlongArray);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    Event_write
@@ -7847,6 +7943,166 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1free
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1clone
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_send_accept_channel
+ * Signature: ([BJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1accept_1channel
+  (JNIEnv *, jclass, jbyteArray, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_send_open_channel
+ * Signature: ([BJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1open_1channel
+  (JNIEnv *, jclass, jbyteArray, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_send_funding_created
+ * Signature: ([BJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1funding_1created
+  (JNIEnv *, jclass, jbyteArray, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_send_funding_signed
+ * Signature: ([BJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1funding_1signed
+  (JNIEnv *, jclass, jbyteArray, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_send_funding_locked
+ * Signature: ([BJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1funding_1locked
+  (JNIEnv *, jclass, jbyteArray, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_send_announcement_signatures
+ * Signature: ([BJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1announcement_1signatures
+  (JNIEnv *, jclass, jbyteArray, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_update_htlcs
+ * Signature: ([BJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1update_1htlcs
+  (JNIEnv *, jclass, jbyteArray, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_send_revoke_and_ack
+ * Signature: ([BJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1revoke_1and_1ack
+  (JNIEnv *, jclass, jbyteArray, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_send_closing_signed
+ * Signature: ([BJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1closing_1signed
+  (JNIEnv *, jclass, jbyteArray, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_send_shutdown
+ * Signature: ([BJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1shutdown
+  (JNIEnv *, jclass, jbyteArray, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_send_channel_reestablish
+ * Signature: ([BJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1channel_1reestablish
+  (JNIEnv *, jclass, jbyteArray, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_broadcast_channel_announcement
+ * Signature: (JJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1broadcast_1channel_1announcement
+  (JNIEnv *, jclass, jlong, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_broadcast_node_announcement
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1broadcast_1node_1announcement
+  (JNIEnv *, jclass, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_broadcast_channel_update
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1broadcast_1channel_1update
+  (JNIEnv *, jclass, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_send_channel_update
+ * Signature: ([BJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1channel_1update
+  (JNIEnv *, jclass, jbyteArray, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_handle_error
+ * Signature: ([BJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1handle_1error
+  (JNIEnv *, jclass, jbyteArray, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_payment_failure_network_update
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1payment_1failure_1network_1update
+  (JNIEnv *, jclass, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_send_channel_range_query
+ * Signature: ([BJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1channel_1range_1query
+  (JNIEnv *, jclass, jbyteArray, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_send_short_ids_query
+ * Signature: ([BJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1short_1ids_1query
+  (JNIEnv *, jclass, jbyteArray, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MessageSendEvent_send_reply_channel_range
+ * Signature: ([BJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MessageSendEvent_1send_1reply_1channel_1range
+  (JNIEnv *, jclass, jbyteArray, jlong);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    MessageSendEventsProvider_free
@@ -7887,6 +8143,46 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_APIError_1free
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_APIError_1clone
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    APIError_apimisuse_error
+ * Signature: (Ljava/lang/String;)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_APIError_1apimisuse_1error
+  (JNIEnv *, jclass, jstring);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    APIError_fee_rate_too_high
+ * Signature: (Ljava/lang/String;I)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_APIError_1fee_1rate_1too_1high
+  (JNIEnv *, jclass, jstring, jint);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    APIError_route_error
+ * Signature: (Ljava/lang/String;)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_APIError_1route_1error
+  (JNIEnv *, jclass, jstring);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    APIError_channel_unavailable
+ * Signature: (Ljava/lang/String;)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_APIError_1channel_1unavailable
+  (JNIEnv *, jclass, jstring);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    APIError_monitor_update_failed
+ * Signature: ()J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_APIError_1monitor_1update_1failed
+  (JNIEnv *, jclass);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    sign
@@ -7919,6 +8215,46 @@ JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_verify
 JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_Level_1clone
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    Level_trace
+ * Signature: ()Lorg/ldk/enums/Level;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_Level_1trace
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    Level_debug
+ * Signature: ()Lorg/ldk/enums/Level;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_Level_1debug
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    Level_info
+ * Signature: ()Lorg/ldk/enums/Level;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_Level_1info
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    Level_warn
+ * Signature: ()Lorg/ldk/enums/Level;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_Level_1warn
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    Level_error
+ * Signature: ()Lorg/ldk/enums/Level;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_Level_1error
+  (JNIEnv *, jclass);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    Level_eq
@@ -8471,6 +8807,22 @@ JNIEXPORT jint JNICALL Java_org_ldk_impl_bindings_BestBlock_1height
 JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_AccessError_1clone
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    AccessError_unknown_chain
+ * Signature: ()Lorg/ldk/enums/AccessError;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_AccessError_1unknown_1chain
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    AccessError_unknown_tx
+ * Signature: ()Lorg/ldk/enums/AccessError;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_AccessError_1unknown_1tx
+  (JNIEnv *, jclass);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    Access_free
@@ -8607,6 +8959,30 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_BroadcasterInterface_1free
 JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_ConfirmationTarget_1clone
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    ConfirmationTarget_background
+ * Signature: ()Lorg/ldk/enums/ConfirmationTarget;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_ConfirmationTarget_1background
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    ConfirmationTarget_normal
+ * Signature: ()Lorg/ldk/enums/ConfirmationTarget;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_ConfirmationTarget_1normal
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    ConfirmationTarget_high_priority
+ * Signature: ()Lorg/ldk/enums/ConfirmationTarget;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_ConfirmationTarget_1high_1priority
+  (JNIEnv *, jclass);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    FeeEstimator_free
@@ -8713,11 +9089,27 @@ JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdate_1read
 
 /*
  * Class:     org_ldk_impl_bindings
- * Method:    ChannelMonitorUpdateErr_clone
- * Signature: (J)Lorg/ldk/enums/ChannelMonitorUpdateErr;
+ * Method:    ChannelMonitorUpdateErr_clone
+ * Signature: (J)Lorg/ldk/enums/ChannelMonitorUpdateErr;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdateErr_1clone
+  (JNIEnv *, jclass, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    ChannelMonitorUpdateErr_temporary_failure
+ * Signature: ()Lorg/ldk/enums/ChannelMonitorUpdateErr;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdateErr_1temporary_1failure
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    ChannelMonitorUpdateErr_permanent_failure
+ * Signature: ()Lorg/ldk/enums/ChannelMonitorUpdateErr;
  */
-JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdateErr_1clone
-  (JNIEnv *, jclass, jlong);
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_ChannelMonitorUpdateErr_1permanent_1failure
+  (JNIEnv *, jclass);
 
 /*
  * Class:     org_ldk_impl_bindings
@@ -8751,6 +9143,22 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1free
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1clone
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MonitorEvent_htlcevent
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1htlcevent
+  (JNIEnv *, jclass, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    MonitorEvent_commitment_tx_broadcasted
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_MonitorEvent_1commitment_1tx_1broadcasted
+  (JNIEnv *, jclass, jlong);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    HTLCUpdate_free
@@ -9295,6 +9703,30 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1fre
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1clone
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    SpendableOutputDescriptor_static_output
+ * Signature: (JJ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1static_1output
+  (JNIEnv *, jclass, jlong, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    SpendableOutputDescriptor_delayed_payment_output
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1delayed_1payment_1output
+  (JNIEnv *, jclass, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    SpendableOutputDescriptor_static_payment_output
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_SpendableOutputDescriptor_1static_1payment_1output
+  (JNIEnv *, jclass, jlong);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    SpendableOutputDescriptor_write
@@ -10007,6 +10439,38 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1free
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1clone
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    PaymentSendFailure_parameter_error
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1parameter_1error
+  (JNIEnv *, jclass, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    PaymentSendFailure_path_parameter_error
+ * Signature: ([J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1path_1parameter_1error
+  (JNIEnv *, jclass, jlongArray);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    PaymentSendFailure_all_failed_retry_safe
+ * Signature: ([J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1all_1failed_1retry_1safe
+  (JNIEnv *, jclass, jlongArray);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    PaymentSendFailure_partial_failure
+ * Signature: ([J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_PaymentSendFailure_1partial_1failure
+  (JNIEnv *, jclass, jlongArray);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    ChannelManager_new
@@ -12127,6 +12591,38 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_NetAddress_1free
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_NetAddress_1clone
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    NetAddress_ipv4
+ * Signature: ([BS)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_NetAddress_1ipv4
+  (JNIEnv *, jclass, jbyteArray, jshort);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    NetAddress_ipv6
+ * Signature: ([BS)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_NetAddress_1ipv6
+  (JNIEnv *, jclass, jbyteArray, jshort);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    NetAddress_onion_v2
+ * Signature: ([BS)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_NetAddress_1onion_1v2
+  (JNIEnv *, jclass, jbyteArray, jshort);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    NetAddress_onion_v3
+ * Signature: ([BSBS)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_NetAddress_1onion_1v3
+  (JNIEnv *, jclass, jbyteArray, jshort, jbyte, jshort);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    NetAddress_write
@@ -13103,6 +13599,38 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_ErrorAction_1free
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_ErrorAction_1clone
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    ErrorAction_disconnect_peer
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_ErrorAction_1disconnect_1peer
+  (JNIEnv *, jclass, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    ErrorAction_ignore_error
+ * Signature: ()J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_ErrorAction_1ignore_1error
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    ErrorAction_ignore_and_log
+ * Signature: (Lorg/ldk/enums/Level;)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_ErrorAction_1ignore_1and_1log
+  (JNIEnv *, jclass, jobject);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    ErrorAction_send_error_message
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_ErrorAction_1send_1error_1message
+  (JNIEnv *, jclass, jlong);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    LightningError_free
@@ -13263,6 +13791,30 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_HTLCFailChannelUpdate_1free
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_HTLCFailChannelUpdate_1clone
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    HTLCFailChannelUpdate_channel_update_message
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_HTLCFailChannelUpdate_1channel_1update_1message
+  (JNIEnv *, jclass, jlong);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    HTLCFailChannelUpdate_channel_closed
+ * Signature: (JZ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_HTLCFailChannelUpdate_1channel_1closed
+  (JNIEnv *, jclass, jlong, jboolean);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    HTLCFailChannelUpdate_node_failure
+ * Signature: ([BZ)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_HTLCFailChannelUpdate_1node_1failure
+  (JNIEnv *, jclass, jbyteArray, jboolean);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    ChannelMessageHandler_free
@@ -16631,6 +17183,38 @@ JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_PositiveTimestamp_1clone
 JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_SiPrefix_1clone
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    SiPrefix_milli
+ * Signature: ()Lorg/ldk/enums/SiPrefix;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_SiPrefix_1milli
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    SiPrefix_micro
+ * Signature: ()Lorg/ldk/enums/SiPrefix;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_SiPrefix_1micro
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    SiPrefix_nano
+ * Signature: ()Lorg/ldk/enums/SiPrefix;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_SiPrefix_1nano
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    SiPrefix_pico
+ * Signature: ()Lorg/ldk/enums/SiPrefix;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_SiPrefix_1pico
+  (JNIEnv *, jclass);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    SiPrefix_eq
@@ -16655,6 +17239,46 @@ JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_SiPrefix_1multiplier
 JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_Currency_1clone
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    Currency_bitcoin
+ * Signature: ()Lorg/ldk/enums/Currency;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_Currency_1bitcoin
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    Currency_bitcoin_testnet
+ * Signature: ()Lorg/ldk/enums/Currency;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_Currency_1bitcoin_1testnet
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    Currency_regtest
+ * Signature: ()Lorg/ldk/enums/Currency;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_Currency_1regtest
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    Currency_simnet
+ * Signature: ()Lorg/ldk/enums/Currency;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_Currency_1simnet
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    Currency_signet
+ * Signature: ()Lorg/ldk/enums/Currency;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_Currency_1signet
+  (JNIEnv *, jclass);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    Currency_eq
@@ -16799,6 +17423,30 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_Fallback_1free
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_Fallback_1clone
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    Fallback_seg_wit_program
+ * Signature: (B[B)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_Fallback_1seg_1wit_1program
+  (JNIEnv *, jclass, jbyte, jbyteArray);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    Fallback_pub_key_hash
+ * Signature: ([B)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_Fallback_1pub_1key_1hash
+  (JNIEnv *, jclass, jbyteArray);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    Fallback_script_hash
+ * Signature: ([B)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_Fallback_1script_1hash
+  (JNIEnv *, jclass, jbyteArray);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    Fallback_eq
@@ -17223,6 +17871,38 @@ JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_PrivateRoute_1into_1inner
 JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_CreationError_1clone
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    CreationError_description_too_long
+ * Signature: ()Lorg/ldk/enums/CreationError;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_CreationError_1description_1too_1long
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    CreationError_route_too_long
+ * Signature: ()Lorg/ldk/enums/CreationError;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_CreationError_1route_1too_1long
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    CreationError_timestamp_out_of_bounds
+ * Signature: ()Lorg/ldk/enums/CreationError;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_CreationError_1timestamp_1out_1of_1bounds
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    CreationError_expiry_time_out_of_bounds
+ * Signature: ()Lorg/ldk/enums/CreationError;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_CreationError_1expiry_1time_1out_1of_1bounds
+  (JNIEnv *, jclass);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    CreationError_eq
@@ -17247,6 +17927,70 @@ JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_CreationError_1to_1str
 JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_SemanticError_1clone
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    SemanticError_no_payment_hash
+ * Signature: ()Lorg/ldk/enums/SemanticError;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_SemanticError_1no_1payment_1hash
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    SemanticError_multiple_payment_hashes
+ * Signature: ()Lorg/ldk/enums/SemanticError;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_SemanticError_1multiple_1payment_1hashes
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    SemanticError_no_description
+ * Signature: ()Lorg/ldk/enums/SemanticError;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_SemanticError_1no_1description
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    SemanticError_multiple_descriptions
+ * Signature: ()Lorg/ldk/enums/SemanticError;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_SemanticError_1multiple_1descriptions
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    SemanticError_multiple_payment_secrets
+ * Signature: ()Lorg/ldk/enums/SemanticError;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_SemanticError_1multiple_1payment_1secrets
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    SemanticError_invalid_features
+ * Signature: ()Lorg/ldk/enums/SemanticError;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_SemanticError_1invalid_1features
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    SemanticError_invalid_recovery_id
+ * Signature: ()Lorg/ldk/enums/SemanticError;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_SemanticError_1invalid_1recovery_1id
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    SemanticError_invalid_signature
+ * Signature: ()Lorg/ldk/enums/SemanticError;
+ */
+JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_SemanticError_1invalid_1signature
+  (JNIEnv *, jclass);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    SemanticError_eq
@@ -17279,6 +18023,22 @@ JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1free
 JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1clone
   (JNIEnv *, jclass, jlong);
 
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    SignOrCreationError_sign_error
+ * Signature: ()J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1sign_1error
+  (JNIEnv *, jclass);
+
+/*
+ * Class:     org_ldk_impl_bindings
+ * Method:    SignOrCreationError_creation_error
+ * Signature: (Lorg/ldk/enums/CreationError;)J
+ */
+JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_SignOrCreationError_1creation_1error
+  (JNIEnv *, jclass, jobject);
+
 /*
  * Class:     org_ldk_impl_bindings
  * Method:    SignOrCreationError_eq
diff --git a/ts/bindings.c b/ts/bindings.c
index 665c4f05..cad8efba 100644
--- a/ts/bindings.c
+++ b/ts/bindings.c
@@ -326,6 +326,21 @@ static inline LDKCVec_u8Z CVec_u8Z_clone(const LDKCVec_u8Z *orig) {
 	memcpy(ret.data, orig->data, sizeof(int8_t) * ret.datalen);
 	return ret;
 }
+struct LDKCVec_u8Z TxOut_get_script_pubkey (struct LDKTxOut* thing) {	return CVec_u8Z_clone(&thing->script_pubkey);}int8_tArray  __attribute__((visibility("default"))) TS_TxOut_get_script_pubkey(uint32_t thing) {
+	LDKTxOut* thing_conv = (LDKTxOut*)(thing & ~1);
+	LDKCVec_u8Z ret_var = TxOut_get_script_pubkey(thing_conv);
+	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);
+	CVec_u8Z_free(ret_var);
+	return ret_arr;
+}
+
+uint64_t TxOut_get_value (struct LDKTxOut* thing) {	return thing->value;}int64_t  __attribute__((visibility("default"))) TS_TxOut_get_value(uint32_t thing) {
+	LDKTxOut* thing_conv = (LDKTxOut*)(thing & ~1);
+	int64_t ret_val = TxOut_get_value(thing_conv);
+	return ret_val;
+}
+
 jboolean  __attribute__((visibility("default"))) TS_LDKCResult_SecretKeyErrorZ_result_ok(uint32_t arg) {
 	return ((LDKCResult_SecretKeyErrorZ*)arg)->result_ok;
 }
@@ -1599,10 +1614,9 @@ void ready_channel_LDKBaseSign_jcall(void* this_arg, const LDKChannelTransaction
 	}
 	js_invoke_function_1(j_calls->ready_channel_meth, channel_parameters_ref);
 }
-static void* LDKBaseSign_JCalls_clone(const void* this_arg) {
-	LDKBaseSign_JCalls *j_calls = (LDKBaseSign_JCalls*) this_arg;
+static void LDKBaseSign_JCalls_cloned(LDKBaseSign* new_obj) {
+	LDKBaseSign_JCalls *j_calls = (LDKBaseSign_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKBaseSign LDKBaseSign_init (/*TODO: JS Object Reference */void* o, uint32_t pubkeys) {
 	LDKBaseSign_JCalls *calls = MALLOC(sizeof(LDKBaseSign_JCalls), "LDKBaseSign_JCalls");
@@ -1800,11 +1814,10 @@ LDKCVec_u8Z write_LDKSign_jcall(const void* this_arg) {
 	memcpy(ret_ref.data, (uint8_t*)(ret + 4), ret_ref.datalen);
 	return ret_ref;
 }
-static void* LDKSign_JCalls_clone(const void* this_arg) {
-	LDKSign_JCalls *j_calls = (LDKSign_JCalls*) this_arg;
+static void LDKSign_JCalls_cloned(LDKSign* new_obj) {
+	LDKSign_JCalls *j_calls = (LDKSign_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
 	atomic_fetch_add_explicit(&j_calls->BaseSign->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKSign LDKSign_init (/*TODO: JS Object Reference */void* o, /*TODO: JS Object Reference */void* BaseSign, uint32_t pubkeys) {
 	LDKSign_JCalls *calls = MALLOC(sizeof(LDKSign_JCalls), "LDKSign_JCalls");
@@ -1819,7 +1832,7 @@ static inline LDKSign LDKSign_init (/*TODO: JS Object Reference */void* o, /*TOD
 	LDKSign ret = {
 		.this_arg = (void*) calls,
 		.write = write_LDKSign_jcall,
-		.clone = LDKSign_JCalls_clone,
+		.cloned = LDKSign_JCalls_cloned,
 		.free = LDKSign_JCalls_free,
 		.BaseSign = LDKBaseSign_init(BaseSign, pubkeys),
 	};
@@ -2381,10 +2394,9 @@ LDKCVec_MonitorEventZ release_pending_monitor_events_LDKWatch_jcall(const void*
 	}
 	return ret_constr;
 }
-static void* LDKWatch_JCalls_clone(const void* this_arg) {
-	LDKWatch_JCalls *j_calls = (LDKWatch_JCalls*) this_arg;
+static void LDKWatch_JCalls_cloned(LDKWatch* new_obj) {
+	LDKWatch_JCalls *j_calls = (LDKWatch_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKWatch LDKWatch_init (/*TODO: JS Object Reference */void* o) {
 	LDKWatch_JCalls *calls = MALLOC(sizeof(LDKWatch_JCalls), "LDKWatch_JCalls");
@@ -2469,10 +2481,9 @@ void broadcast_transaction_LDKBroadcasterInterface_jcall(const void* this_arg, L
 	Transaction_free(tx_var);
 	js_invoke_function_1(j_calls->broadcast_transaction_meth, tx_arr);
 }
-static void* LDKBroadcasterInterface_JCalls_clone(const void* this_arg) {
-	LDKBroadcasterInterface_JCalls *j_calls = (LDKBroadcasterInterface_JCalls*) this_arg;
+static void LDKBroadcasterInterface_JCalls_cloned(LDKBroadcasterInterface* new_obj) {
+	LDKBroadcasterInterface_JCalls *j_calls = (LDKBroadcasterInterface_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKBroadcasterInterface LDKBroadcasterInterface_init (/*TODO: JS Object Reference */void* o) {
 	LDKBroadcasterInterface_JCalls *calls = MALLOC(sizeof(LDKBroadcasterInterface_JCalls), "LDKBroadcasterInterface_JCalls");
@@ -2585,10 +2596,9 @@ LDKCResult_RecoverableSignatureNoneZ sign_invoice_LDKKeysInterface_jcall(const v
 	ret_conv = CResult_RecoverableSignatureNoneZ_clone((LDKCResult_RecoverableSignatureNoneZ*)(((uint64_t)ret) & ~1));
 	return ret_conv;
 }
-static void* LDKKeysInterface_JCalls_clone(const void* this_arg) {
-	LDKKeysInterface_JCalls *j_calls = (LDKKeysInterface_JCalls*) this_arg;
+static void LDKKeysInterface_JCalls_cloned(LDKKeysInterface* new_obj) {
+	LDKKeysInterface_JCalls *j_calls = (LDKKeysInterface_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKKeysInterface LDKKeysInterface_init (/*TODO: JS Object Reference */void* o) {
 	LDKKeysInterface_JCalls *calls = MALLOC(sizeof(LDKKeysInterface_JCalls), "LDKKeysInterface_JCalls");
@@ -2687,10 +2697,9 @@ uint32_t get_est_sat_per_1000_weight_LDKFeeEstimator_jcall(const void* this_arg,
 	uint32_t confirmation_target_conv = LDKConfirmationTarget_to_js(confirmation_target);
 	return js_invoke_function_1(j_calls->get_est_sat_per_1000_weight_meth, confirmation_target_conv);
 }
-static void* LDKFeeEstimator_JCalls_clone(const void* this_arg) {
-	LDKFeeEstimator_JCalls *j_calls = (LDKFeeEstimator_JCalls*) this_arg;
+static void LDKFeeEstimator_JCalls_cloned(LDKFeeEstimator* new_obj) {
+	LDKFeeEstimator_JCalls *j_calls = (LDKFeeEstimator_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKFeeEstimator LDKFeeEstimator_init (/*TODO: JS Object Reference */void* o) {
 	LDKFeeEstimator_JCalls *calls = MALLOC(sizeof(LDKFeeEstimator_JCalls), "LDKFeeEstimator_JCalls");
@@ -2733,10 +2742,9 @@ void log_LDKLogger_jcall(const void* this_arg, const char* record) {
 	jstring record_conv = str_ref_to_ts(record_str, strlen(record_str));
 	js_invoke_function_1(j_calls->log_meth, record_conv);
 }
-static void* LDKLogger_JCalls_clone(const void* this_arg) {
-	LDKLogger_JCalls *j_calls = (LDKLogger_JCalls*) this_arg;
+static void LDKLogger_JCalls_cloned(LDKLogger* new_obj) {
+	LDKLogger_JCalls *j_calls = (LDKLogger_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKLogger LDKLogger_init (/*TODO: JS Object Reference */void* o) {
 	LDKLogger_JCalls *calls = MALLOC(sizeof(LDKLogger_JCalls), "LDKLogger_JCalls");
@@ -4675,10 +4683,9 @@ LDKCVec_MessageSendEventZ get_and_clear_pending_msg_events_LDKMessageSendEventsP
 	}
 	return ret_constr;
 }
-static void* LDKMessageSendEventsProvider_JCalls_clone(const void* this_arg) {
-	LDKMessageSendEventsProvider_JCalls *j_calls = (LDKMessageSendEventsProvider_JCalls*) this_arg;
+static void LDKMessageSendEventsProvider_JCalls_cloned(LDKMessageSendEventsProvider* new_obj) {
+	LDKMessageSendEventsProvider_JCalls *j_calls = (LDKMessageSendEventsProvider_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKMessageSendEventsProvider LDKMessageSendEventsProvider_init (/*TODO: JS Object Reference */void* o) {
 	LDKMessageSendEventsProvider_JCalls *calls = MALLOC(sizeof(LDKMessageSendEventsProvider_JCalls), "LDKMessageSendEventsProvider_JCalls");
@@ -4730,10 +4737,9 @@ void handle_event_LDKEventHandler_jcall(const void* this_arg, LDKEvent event) {
 	uint64_t event_ref = (uint64_t)event_copy;
 	js_invoke_function_1(j_calls->handle_event_meth, event_ref);
 }
-static void* LDKEventHandler_JCalls_clone(const void* this_arg) {
-	LDKEventHandler_JCalls *j_calls = (LDKEventHandler_JCalls*) this_arg;
+static void LDKEventHandler_JCalls_cloned(LDKEventHandler* new_obj) {
+	LDKEventHandler_JCalls *j_calls = (LDKEventHandler_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKEventHandler LDKEventHandler_init (/*TODO: JS Object Reference */void* o) {
 	LDKEventHandler_JCalls *calls = MALLOC(sizeof(LDKEventHandler_JCalls), "LDKEventHandler_JCalls");
@@ -4775,10 +4781,9 @@ void process_pending_events_LDKEventsProvider_jcall(const void* this_arg, LDKEve
 	*ret = handler;
 	js_invoke_function_1(j_calls->process_pending_events_meth, (uint64_t)ret);
 }
-static void* LDKEventsProvider_JCalls_clone(const void* this_arg) {
-	LDKEventsProvider_JCalls *j_calls = (LDKEventsProvider_JCalls*) this_arg;
+static void LDKEventsProvider_JCalls_cloned(LDKEventsProvider* new_obj) {
+	LDKEventsProvider_JCalls *j_calls = (LDKEventsProvider_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKEventsProvider LDKEventsProvider_init (/*TODO: JS Object Reference */void* o) {
 	LDKEventsProvider_JCalls *calls = MALLOC(sizeof(LDKEventsProvider_JCalls), "LDKEventsProvider_JCalls");
@@ -4823,10 +4828,9 @@ LDKCResult_TxOutAccessErrorZ get_utxo_LDKAccess_jcall(const void* this_arg, cons
 	ret_conv = CResult_TxOutAccessErrorZ_clone((LDKCResult_TxOutAccessErrorZ*)(((uint64_t)ret) & ~1));
 	return ret_conv;
 }
-static void* LDKAccess_JCalls_clone(const void* this_arg) {
-	LDKAccess_JCalls *j_calls = (LDKAccess_JCalls*) this_arg;
+static void LDKAccess_JCalls_cloned(LDKAccess* new_obj) {
+	LDKAccess_JCalls *j_calls = (LDKAccess_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKAccess LDKAccess_init (/*TODO: JS Object Reference */void* o) {
 	LDKAccess_JCalls *calls = MALLOC(sizeof(LDKAccess_JCalls), "LDKAccess_JCalls");
@@ -4882,10 +4886,9 @@ void block_disconnected_LDKListen_jcall(const void* this_arg, const uint8_t (* h
 	memcpy((uint8_t*)(header_arr + 4), *header, 80);
 	js_invoke_function_2(j_calls->block_disconnected_meth, header_arr, height);
 }
-static void* LDKListen_JCalls_clone(const void* this_arg) {
-	LDKListen_JCalls *j_calls = (LDKListen_JCalls*) this_arg;
+static void LDKListen_JCalls_cloned(LDKListen* new_obj) {
+	LDKListen_JCalls *j_calls = (LDKListen_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKListen LDKListen_init (/*TODO: JS Object Reference */void* o) {
 	LDKListen_JCalls *calls = MALLOC(sizeof(LDKListen_JCalls), "LDKListen_JCalls");
@@ -4985,10 +4988,9 @@ LDKCVec_TxidZ get_relevant_txids_LDKConfirm_jcall(const void* this_arg) {
 	}
 	return ret_constr;
 }
-static void* LDKConfirm_JCalls_clone(const void* this_arg) {
-	LDKConfirm_JCalls *j_calls = (LDKConfirm_JCalls*) this_arg;
+static void LDKConfirm_JCalls_cloned(LDKConfirm* new_obj) {
+	LDKConfirm_JCalls *j_calls = (LDKConfirm_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKConfirm LDKConfirm_init (/*TODO: JS Object Reference */void* o) {
 	LDKConfirm_JCalls *calls = MALLOC(sizeof(LDKConfirm_JCalls), "LDKConfirm_JCalls");
@@ -5100,10 +5102,9 @@ LDKCOption_C2Tuple_usizeTransactionZZ register_output_LDKFilter_jcall(const void
 	ret_conv = COption_C2Tuple_usizeTransactionZZ_clone((LDKCOption_C2Tuple_usizeTransactionZZ*)(((uint64_t)ret) & ~1));
 	return ret_conv;
 }
-static void* LDKFilter_JCalls_clone(const void* this_arg) {
-	LDKFilter_JCalls *j_calls = (LDKFilter_JCalls*) this_arg;
+static void LDKFilter_JCalls_cloned(LDKFilter* new_obj) {
+	LDKFilter_JCalls *j_calls = (LDKFilter_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKFilter LDKFilter_init (/*TODO: JS Object Reference */void* o) {
 	LDKFilter_JCalls *calls = MALLOC(sizeof(LDKFilter_JCalls), "LDKFilter_JCalls");
@@ -5212,10 +5213,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_persisted_channel_LDKPersist_jcal
 	ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone((LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1));
 	return ret_conv;
 }
-static void* LDKPersist_JCalls_clone(const void* this_arg) {
-	LDKPersist_JCalls *j_calls = (LDKPersist_JCalls*) this_arg;
+static void LDKPersist_JCalls_cloned(LDKPersist* new_obj) {
+	LDKPersist_JCalls *j_calls = (LDKPersist_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKPersist LDKPersist_init (/*TODO: JS Object Reference */void* o) {
 	LDKPersist_JCalls *calls = MALLOC(sizeof(LDKPersist_JCalls), "LDKPersist_JCalls");
@@ -5610,11 +5610,10 @@ void handle_error_LDKChannelMessageHandler_jcall(const void* this_arg, LDKPublic
 	}
 	js_invoke_function_2(j_calls->handle_error_meth, their_node_id_arr, msg_ref);
 }
-static void* LDKChannelMessageHandler_JCalls_clone(const void* this_arg) {
-	LDKChannelMessageHandler_JCalls *j_calls = (LDKChannelMessageHandler_JCalls*) this_arg;
+static void LDKChannelMessageHandler_JCalls_cloned(LDKChannelMessageHandler* new_obj) {
+	LDKChannelMessageHandler_JCalls *j_calls = (LDKChannelMessageHandler_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
 	atomic_fetch_add_explicit(&j_calls->MessageSendEventsProvider->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKChannelMessageHandler LDKChannelMessageHandler_init (/*TODO: JS Object Reference */void* o, /*TODO: JS Object Reference */void* MessageSendEventsProvider) {
 	LDKChannelMessageHandler_JCalls *calls = MALLOC(sizeof(LDKChannelMessageHandler_JCalls), "LDKChannelMessageHandler_JCalls");
@@ -6082,11 +6081,10 @@ LDKCResult_NoneLightningErrorZ handle_query_short_channel_ids_LDKRoutingMessageH
 	ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
 	return ret_conv;
 }
-static void* LDKRoutingMessageHandler_JCalls_clone(const void* this_arg) {
-	LDKRoutingMessageHandler_JCalls *j_calls = (LDKRoutingMessageHandler_JCalls*) this_arg;
+static void LDKRoutingMessageHandler_JCalls_cloned(LDKRoutingMessageHandler* new_obj) {
+	LDKRoutingMessageHandler_JCalls *j_calls = (LDKRoutingMessageHandler_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
 	atomic_fetch_add_explicit(&j_calls->MessageSendEventsProvider->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKRoutingMessageHandler LDKRoutingMessageHandler_init (/*TODO: JS Object Reference */void* o, /*TODO: JS Object Reference */void* MessageSendEventsProvider) {
 	LDKRoutingMessageHandler_JCalls *calls = MALLOC(sizeof(LDKRoutingMessageHandler_JCalls), "LDKRoutingMessageHandler_JCalls");
@@ -6294,10 +6292,9 @@ uint64_t hash_LDKSocketDescriptor_jcall(const void* this_arg) {
 	LDKSocketDescriptor_JCalls *j_calls = (LDKSocketDescriptor_JCalls*) this_arg;
 	return js_invoke_function_0(j_calls->hash_meth);
 }
-static void* LDKSocketDescriptor_JCalls_clone(const void* this_arg) {
-	LDKSocketDescriptor_JCalls *j_calls = (LDKSocketDescriptor_JCalls*) this_arg;
+static void LDKSocketDescriptor_JCalls_cloned(LDKSocketDescriptor* new_obj) {
+	LDKSocketDescriptor_JCalls *j_calls = (LDKSocketDescriptor_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKSocketDescriptor LDKSocketDescriptor_init (/*TODO: JS Object Reference */void* o) {
 	LDKSocketDescriptor_JCalls *calls = MALLOC(sizeof(LDKSocketDescriptor_JCalls), "LDKSocketDescriptor_JCalls");
@@ -6310,7 +6307,7 @@ static inline LDKSocketDescriptor LDKSocketDescriptor_init (/*TODO: JS Object Re
 		.disconnect_socket = disconnect_socket_LDKSocketDescriptor_jcall,
 		.eq = eq_LDKSocketDescriptor_jcall,
 		.hash = hash_LDKSocketDescriptor_jcall,
-		.clone = LDKSocketDescriptor_JCalls_clone,
+		.cloned = LDKSocketDescriptor_JCalls_cloned,
 		.free = LDKSocketDescriptor_JCalls_free,
 	};
 	return ret;
@@ -6366,10 +6363,9 @@ LDKCResult_NoneErrorZ persist_manager_LDKChannelManagerPersister_jcall(const voi
 	ret_conv = CResult_NoneErrorZ_clone((LDKCResult_NoneErrorZ*)(((uint64_t)ret) & ~1));
 	return ret_conv;
 }
-static void* LDKChannelManagerPersister_JCalls_clone(const void* this_arg) {
-	LDKChannelManagerPersister_JCalls *j_calls = (LDKChannelManagerPersister_JCalls*) this_arg;
+static void LDKChannelManagerPersister_JCalls_cloned(LDKChannelManagerPersister* new_obj) {
+	LDKChannelManagerPersister_JCalls *j_calls = (LDKChannelManagerPersister_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKChannelManagerPersister LDKChannelManagerPersister_init (/*TODO: JS Object Reference */void* o) {
 	LDKChannelManagerPersister_JCalls *calls = MALLOC(sizeof(LDKChannelManagerPersister_JCalls), "LDKChannelManagerPersister_JCalls");
@@ -6424,12 +6420,14 @@ uint32_t __attribute__((visibility("default"))) TS_LDKFallback_ref_from_ptr(uint
 jstring  __attribute__((visibility("default"))) TS__ldk_get_compiled_version() {
 	LDKStr ret_str = _ldk_get_compiled_version();
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
 jstring  __attribute__((visibility("default"))) TS__ldk_c_bindings_get_compiled_version() {
 	LDKStr ret_str = _ldk_c_bindings_get_compiled_version();
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -6442,6 +6440,16 @@ void  __attribute__((visibility("default"))) TS_Transaction_free(int8_tArray _re
 	Transaction_free(_res_ref);
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_TxOut_new(int8_tArray script_pubkey, int64_t value) {
+	LDKCVec_u8Z script_pubkey_ref;
+	script_pubkey_ref.datalen = *((uint32_t*)script_pubkey);
+	script_pubkey_ref.data = MALLOC(script_pubkey_ref.datalen, "LDKCVec_u8Z Bytes");
+	memcpy(script_pubkey_ref.data, (uint8_t*)(script_pubkey + 4), script_pubkey_ref.datalen);
+	LDKTxOut* ret_ref = MALLOC(sizeof(LDKTxOut), "LDKTxOut");
+	*ret_ref = TxOut_new(script_pubkey_ref, value);
+	return (uint64_t)ret_ref;
+}
+
 void  __attribute__((visibility("default"))) TS_TxOut_free(uint32_t _res) {
 	if ((_res & 1) != 0) return;
 	LDKTxOut _res_conv = *(LDKTxOut*)(((uint64_t)_res) & ~1);
@@ -10725,6 +10733,83 @@ uint32_t  __attribute__((visibility("default"))) TS_Event_clone(uint32_t orig) {
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_Event_funding_generation_ready(int8_tArray temporary_channel_id, int64_t channel_value_satoshis, int8_tArray output_script, int64_t user_channel_id) {
+	LDKThirtyTwoBytes temporary_channel_id_ref;
+	CHECK(*((uint32_t*)temporary_channel_id) == 32);
+	memcpy(temporary_channel_id_ref.data, (uint8_t*)(temporary_channel_id + 4), 32);
+	LDKCVec_u8Z output_script_ref;
+	output_script_ref.datalen = *((uint32_t*)output_script);
+	output_script_ref.data = MALLOC(output_script_ref.datalen, "LDKCVec_u8Z Bytes");
+	memcpy(output_script_ref.data, (uint8_t*)(output_script + 4), output_script_ref.datalen);
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_funding_generation_ready(temporary_channel_id_ref, channel_value_satoshis, output_script_ref, user_channel_id);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Event_payment_received(int8_tArray payment_hash, int8_tArray payment_preimage, int8_tArray payment_secret, int64_t amt, int64_t user_payment_id) {
+	LDKThirtyTwoBytes payment_hash_ref;
+	CHECK(*((uint32_t*)payment_hash) == 32);
+	memcpy(payment_hash_ref.data, (uint8_t*)(payment_hash + 4), 32);
+	LDKThirtyTwoBytes payment_preimage_ref;
+	CHECK(*((uint32_t*)payment_preimage) == 32);
+	memcpy(payment_preimage_ref.data, (uint8_t*)(payment_preimage + 4), 32);
+	LDKThirtyTwoBytes payment_secret_ref;
+	CHECK(*((uint32_t*)payment_secret) == 32);
+	memcpy(payment_secret_ref.data, (uint8_t*)(payment_secret + 4), 32);
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_payment_received(payment_hash_ref, payment_preimage_ref, payment_secret_ref, amt, user_payment_id);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Event_payment_sent(int8_tArray payment_preimage) {
+	LDKThirtyTwoBytes payment_preimage_ref;
+	CHECK(*((uint32_t*)payment_preimage) == 32);
+	memcpy(payment_preimage_ref.data, (uint8_t*)(payment_preimage + 4), 32);
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_payment_sent(payment_preimage_ref);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Event_payment_failed(int8_tArray payment_hash, jboolean rejected_by_dest) {
+	LDKThirtyTwoBytes payment_hash_ref;
+	CHECK(*((uint32_t*)payment_hash) == 32);
+	memcpy(payment_hash_ref.data, (uint8_t*)(payment_hash + 4), 32);
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_payment_failed(payment_hash_ref, rejected_by_dest);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Event_pending_htlcs_forwardable(int64_t time_forwardable) {
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_pending_htlcs_forwardable(time_forwardable);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Event_spendable_outputs(uint32_tArray outputs) {
+	LDKCVec_SpendableOutputDescriptorZ outputs_constr;
+	outputs_constr.datalen = *((uint32_t*)outputs);
+	if (outputs_constr.datalen > 0)
+		outputs_constr.data = MALLOC(outputs_constr.datalen * sizeof(LDKSpendableOutputDescriptor), "LDKCVec_SpendableOutputDescriptorZ Elements");
+	else
+		outputs_constr.data = NULL;
+	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);
+		outputs_conv_27_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)outputs_conv_27) & ~1));
+		outputs_constr.data[b] = outputs_conv_27_conv;
+	}
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_spendable_outputs(outputs_constr);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 int8_tArray  __attribute__((visibility("default"))) TS_Event_write(uint32_t obj) {
 	LDKEvent* obj_conv = (LDKEvent*)obj;
 	LDKCVec_u8Z ret_var = Event_write(obj_conv);
@@ -10749,6 +10834,272 @@ uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_clone(uint3
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_accept_channel(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKAcceptChannel msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = AcceptChannel_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_accept_channel(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_open_channel(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKOpenChannel msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = OpenChannel_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_open_channel(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_funding_created(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKFundingCreated msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = FundingCreated_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_funding_created(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_funding_signed(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKFundingSigned msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = FundingSigned_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_funding_signed(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_funding_locked(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKFundingLocked msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = FundingLocked_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_funding_locked(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_announcement_signatures(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKAnnouncementSignatures msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = AnnouncementSignatures_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_announcement_signatures(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_update_htlcs(int8_tArray node_id, uint32_t updates) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKCommitmentUpdate updates_conv;
+	updates_conv.inner = (void*)(updates & (~1));
+	updates_conv.is_owned = (updates & 1) || (updates == 0);
+	updates_conv = CommitmentUpdate_clone(&updates_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_update_htlcs(node_id_ref, updates_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_revoke_and_ack(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKRevokeAndACK msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = RevokeAndACK_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_revoke_and_ack(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_closing_signed(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKClosingSigned msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ClosingSigned_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_closing_signed(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_shutdown(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKShutdown msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = Shutdown_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_shutdown(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_channel_reestablish(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKChannelReestablish msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelReestablish_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_channel_reestablish(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_broadcast_channel_announcement(uint32_t msg, uint32_t update_msg) {
+	LDKChannelAnnouncement msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelAnnouncement_clone(&msg_conv);
+	LDKChannelUpdate update_msg_conv;
+	update_msg_conv.inner = (void*)(update_msg & (~1));
+	update_msg_conv.is_owned = (update_msg & 1) || (update_msg == 0);
+	update_msg_conv = ChannelUpdate_clone(&update_msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_broadcast_channel_announcement(msg_conv, update_msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_broadcast_node_announcement(uint32_t msg) {
+	LDKNodeAnnouncement msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = NodeAnnouncement_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_broadcast_node_announcement(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_broadcast_channel_update(uint32_t msg) {
+	LDKChannelUpdate msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelUpdate_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_broadcast_channel_update(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_channel_update(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKChannelUpdate msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelUpdate_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_channel_update(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_handle_error(int8_tArray node_id, uint32_t action) {
+	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);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_handle_error(node_id_ref, action_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_payment_failure_network_update(uint32_t update) {
+	LDKHTLCFailChannelUpdate update_conv = *(LDKHTLCFailChannelUpdate*)(((uint64_t)update) & ~1);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_payment_failure_network_update(update_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_channel_range_query(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKQueryChannelRange msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = QueryChannelRange_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_channel_range_query(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_short_ids_query(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKQueryShortChannelIds msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = QueryShortChannelIds_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_short_ids_query(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_reply_channel_range(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKReplyChannelRange msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ReplyChannelRange_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_reply_channel_range(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 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);
@@ -10780,7 +11131,46 @@ void  __attribute__((visibility("default"))) TS_APIError_free(uint32_t this_ptr)
 uint32_t  __attribute__((visibility("default"))) TS_APIError_clone(uint32_t orig) {
 	LDKAPIError* orig_conv = (LDKAPIError*)orig;
 	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
-	*ret_copy = APIError_clone(orig_conv);
+	*ret_copy = APIError_clone(orig_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_APIError_apimisuse_error(jstring err) {
+	LDKStr err_conv = str_ref_to_owned_c(err);
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_apimisuse_error(err_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_APIError_fee_rate_too_high(jstring err, int32_t feerate) {
+	LDKStr err_conv = str_ref_to_owned_c(err);
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_fee_rate_too_high(err_conv, feerate);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_APIError_route_error(jstring err) {
+	LDKStr err_conv = str_ref_to_owned_c(err);
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_route_error(err_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_APIError_channel_unavailable(jstring err) {
+	LDKStr err_conv = str_ref_to_owned_c(err);
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_channel_unavailable(err_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_APIError_monitor_update_failed() {
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_monitor_update_failed();
 	uint64_t ret_ref = (uint64_t)ret_copy;
 	return ret_ref;
 }
@@ -10826,6 +11216,31 @@ uint32_t  __attribute__((visibility("default"))) TS_Level_clone(uint32_t orig) {
 	return ret_conv;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_Level_trace() {
+	uint32_t ret_conv = LDKLevel_to_js(Level_trace());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Level_debug() {
+	uint32_t ret_conv = LDKLevel_to_js(Level_debug());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Level_info() {
+	uint32_t ret_conv = LDKLevel_to_js(Level_info());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Level_warn() {
+	uint32_t ret_conv = LDKLevel_to_js(Level_warn());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Level_error() {
+	uint32_t ret_conv = LDKLevel_to_js(Level_error());
+	return ret_conv;
+}
+
 jboolean  __attribute__((visibility("default"))) TS_Level_eq(uint32_t a, uint32_t b) {
 	LDKLevel* a_conv = (LDKLevel*)(a & ~1);
 	LDKLevel* b_conv = (LDKLevel*)(b & ~1);
@@ -11455,6 +11870,16 @@ uint32_t  __attribute__((visibility("default"))) TS_AccessError_clone(uint32_t o
 	return ret_conv;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_AccessError_unknown_chain() {
+	uint32_t ret_conv = LDKAccessError_to_js(AccessError_unknown_chain());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_AccessError_unknown_tx() {
+	uint32_t ret_conv = LDKAccessError_to_js(AccessError_unknown_tx());
+	return ret_conv;
+}
+
 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);
@@ -11619,6 +12044,21 @@ uint32_t  __attribute__((visibility("default"))) TS_ConfirmationTarget_clone(uin
 	return ret_conv;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_ConfirmationTarget_background() {
+	uint32_t ret_conv = LDKConfirmationTarget_to_js(ConfirmationTarget_background());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_ConfirmationTarget_normal() {
+	uint32_t ret_conv = LDKConfirmationTarget_to_js(ConfirmationTarget_normal());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_ConfirmationTarget_high_priority() {
+	uint32_t ret_conv = LDKConfirmationTarget_to_js(ConfirmationTarget_high_priority());
+	return ret_conv;
+}
+
 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);
@@ -11753,6 +12193,16 @@ uint32_t  __attribute__((visibility("default"))) TS_ChannelMonitorUpdateErr_clon
 	return ret_conv;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_ChannelMonitorUpdateErr_temporary_failure() {
+	uint32_t ret_conv = LDKChannelMonitorUpdateErr_to_js(ChannelMonitorUpdateErr_temporary_failure());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_ChannelMonitorUpdateErr_permanent_failure() {
+	uint32_t ret_conv = LDKChannelMonitorUpdateErr_to_js(ChannelMonitorUpdateErr_permanent_failure());
+	return ret_conv;
+}
+
 void  __attribute__((visibility("default"))) TS_MonitorUpdateError_free(uint32_t this_obj) {
 	LDKMonitorUpdateError this_obj_conv;
 	this_obj_conv.inner = (void*)(this_obj & (~1));
@@ -11789,6 +12239,28 @@ uint32_t  __attribute__((visibility("default"))) TS_MonitorEvent_clone(uint32_t
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_MonitorEvent_htlcevent(uint32_t a) {
+	LDKHTLCUpdate a_conv;
+	a_conv.inner = (void*)(a & (~1));
+	a_conv.is_owned = (a & 1) || (a == 0);
+	a_conv = HTLCUpdate_clone(&a_conv);
+	LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
+	*ret_copy = MonitorEvent_htlcevent(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MonitorEvent_commitment_tx_broadcasted(uint32_t a) {
+	LDKOutPoint a_conv;
+	a_conv.inner = (void*)(a & (~1));
+	a_conv.is_owned = (a & 1) || (a == 0);
+	a_conv = OutPoint_clone(&a_conv);
+	LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
+	*ret_copy = MonitorEvent_commitment_tx_broadcasted(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 void  __attribute__((visibility("default"))) TS_HTLCUpdate_free(uint32_t this_obj) {
 	LDKHTLCUpdate this_obj_conv;
 	this_obj_conv.inner = (void*)(this_obj & (~1));
@@ -12586,6 +13058,40 @@ uint32_t  __attribute__((visibility("default"))) TS_SpendableOutputDescriptor_cl
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_SpendableOutputDescriptor_static_output(uint32_t outpoint, uint32_t output) {
+	LDKOutPoint outpoint_conv;
+	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);
+	LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
+	*ret_copy = SpendableOutputDescriptor_static_output(outpoint_conv, output_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SpendableOutputDescriptor_delayed_payment_output(uint32_t a) {
+	LDKDelayedPaymentOutputDescriptor a_conv;
+	a_conv.inner = (void*)(a & (~1));
+	a_conv.is_owned = (a & 1) || (a == 0);
+	a_conv = DelayedPaymentOutputDescriptor_clone(&a_conv);
+	LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
+	*ret_copy = SpendableOutputDescriptor_delayed_payment_output(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SpendableOutputDescriptor_static_payment_output(uint32_t a) {
+	LDKStaticPaymentOutputDescriptor a_conv;
+	a_conv.inner = (void*)(a & (~1));
+	a_conv.is_owned = (a & 1) || (a == 0);
+	a_conv = StaticPaymentOutputDescriptor_clone(&a_conv);
+	LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
+	*ret_copy = SpendableOutputDescriptor_static_payment_output(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 int8_tArray  __attribute__((visibility("default"))) TS_SpendableOutputDescriptor_write(uint32_t obj) {
 	LDKSpendableOutputDescriptor* obj_conv = (LDKSpendableOutputDescriptor*)obj;
 	LDKCVec_u8Z ret_var = SpendableOutputDescriptor_write(obj_conv);
@@ -13513,6 +14019,74 @@ uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_clone(uin
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_parameter_error(uint32_t a) {
+	LDKAPIError a_conv = *(LDKAPIError*)(((uint64_t)a) & ~1);
+	LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
+	*ret_copy = PaymentSendFailure_parameter_error(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_path_parameter_error(uint32_tArray a) {
+	LDKCVec_CResult_NoneAPIErrorZZ a_constr;
+	a_constr.datalen = *((uint32_t*)a);
+	if (a_constr.datalen > 0)
+		a_constr.data = MALLOC(a_constr.datalen * sizeof(LDKCResult_NoneAPIErrorZ), "LDKCVec_CResult_NoneAPIErrorZZ Elements");
+	else
+		a_constr.data = NULL;
+	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);
+		a_conv_22_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1));
+		a_constr.data[w] = a_conv_22_conv;
+	}
+	LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
+	*ret_copy = PaymentSendFailure_path_parameter_error(a_constr);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_all_failed_retry_safe(uint32_tArray a) {
+	LDKCVec_APIErrorZ a_constr;
+	a_constr.datalen = *((uint32_t*)a);
+	if (a_constr.datalen > 0)
+		a_constr.data = MALLOC(a_constr.datalen * sizeof(LDKAPIError), "LDKCVec_APIErrorZ Elements");
+	else
+		a_constr.data = NULL;
+	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);
+		a_conv_10_conv = APIError_clone((LDKAPIError*)(((uint64_t)a_conv_10) & ~1));
+		a_constr.data[k] = a_conv_10_conv;
+	}
+	LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
+	*ret_copy = PaymentSendFailure_all_failed_retry_safe(a_constr);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_partial_failure(uint32_tArray a) {
+	LDKCVec_CResult_NoneAPIErrorZZ a_constr;
+	a_constr.datalen = *((uint32_t*)a);
+	if (a_constr.datalen > 0)
+		a_constr.data = MALLOC(a_constr.datalen * sizeof(LDKCResult_NoneAPIErrorZ), "LDKCVec_CResult_NoneAPIErrorZZ Elements");
+	else
+		a_constr.data = NULL;
+	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);
+		a_conv_22_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1));
+		a_constr.data[w] = a_conv_22_conv;
+	}
+	LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
+	*ret_copy = PaymentSendFailure_partial_failure(a_constr);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 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);
@@ -14140,6 +14714,7 @@ jstring  __attribute__((visibility("default"))) TS_ErrorMessage_get_data(uint32_
 	this_ptr_conv.is_owned = false;
 	LDKStr ret_str = ErrorMessage_get_data(&this_ptr_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -16178,6 +16753,46 @@ uint32_t  __attribute__((visibility("default"))) TS_NetAddress_clone(uint32_t or
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_NetAddress_ipv4(int8_tArray addr, int16_t port) {
+	LDKFourBytes addr_ref;
+	CHECK(*((uint32_t*)addr) == 4);
+	memcpy(addr_ref.data, (uint8_t*)(addr + 4), 4);
+	LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
+	*ret_copy = NetAddress_ipv4(addr_ref, port);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_NetAddress_ipv6(int8_tArray addr, int16_t port) {
+	LDKSixteenBytes addr_ref;
+	CHECK(*((uint32_t*)addr) == 16);
+	memcpy(addr_ref.data, (uint8_t*)(addr + 4), 16);
+	LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
+	*ret_copy = NetAddress_ipv6(addr_ref, port);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_NetAddress_onion_v2(int8_tArray addr, int16_t port) {
+	LDKTenBytes addr_ref;
+	CHECK(*((uint32_t*)addr) == 10);
+	memcpy(addr_ref.data, (uint8_t*)(addr + 4), 10);
+	LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
+	*ret_copy = NetAddress_onion_v2(addr_ref, port);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_NetAddress_onion_v3(int8_tArray ed25519_pubkey, int16_t checksum, int8_t version, int16_t port) {
+	LDKThirtyTwoBytes ed25519_pubkey_ref;
+	CHECK(*((uint32_t*)ed25519_pubkey) == 32);
+	memcpy(ed25519_pubkey_ref.data, (uint8_t*)(ed25519_pubkey + 4), 32);
+	LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
+	*ret_copy = NetAddress_onion_v3(ed25519_pubkey_ref, checksum, version, port);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 int8_tArray  __attribute__((visibility("default"))) TS_NetAddress_write(uint32_t obj) {
 	LDKNetAddress* obj_conv = (LDKNetAddress*)obj;
 	LDKCVec_u8Z ret_var = NetAddress_write(obj_conv);
@@ -17422,6 +18037,43 @@ uint32_t  __attribute__((visibility("default"))) TS_ErrorAction_clone(uint32_t o
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_ErrorAction_disconnect_peer(uint32_t msg) {
+	LDKErrorMessage msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ErrorMessage_clone(&msg_conv);
+	LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
+	*ret_copy = ErrorAction_disconnect_peer(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_ErrorAction_ignore_error() {
+	LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
+	*ret_copy = ErrorAction_ignore_error();
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_ErrorAction_ignore_and_log(uint32_t a) {
+	LDKLevel a_conv = LDKLevel_from_js(a);
+	LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
+	*ret_copy = ErrorAction_ignore_and_log(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_ErrorAction_send_error_message(uint32_t msg) {
+	LDKErrorMessage msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ErrorMessage_clone(&msg_conv);
+	LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
+	*ret_copy = ErrorAction_send_error_message(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 void  __attribute__((visibility("default"))) TS_LightningError_free(uint32_t this_obj) {
 	LDKLightningError this_obj_conv;
 	this_obj_conv.inner = (void*)(this_obj & (~1));
@@ -17435,6 +18087,7 @@ jstring  __attribute__((visibility("default"))) TS_LightningError_get_err(uint32
 	this_ptr_conv.is_owned = false;
 	LDKStr ret_str = LightningError_get_err(&this_ptr_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -17744,6 +18397,34 @@ uint32_t  __attribute__((visibility("default"))) TS_HTLCFailChannelUpdate_clone(
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_HTLCFailChannelUpdate_channel_update_message(uint32_t msg) {
+	LDKChannelUpdate msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelUpdate_clone(&msg_conv);
+	LDKHTLCFailChannelUpdate *ret_copy = MALLOC(sizeof(LDKHTLCFailChannelUpdate), "LDKHTLCFailChannelUpdate");
+	*ret_copy = HTLCFailChannelUpdate_channel_update_message(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_HTLCFailChannelUpdate_channel_closed(int64_t short_channel_id, jboolean is_permanent) {
+	LDKHTLCFailChannelUpdate *ret_copy = MALLOC(sizeof(LDKHTLCFailChannelUpdate), "LDKHTLCFailChannelUpdate");
+	*ret_copy = HTLCFailChannelUpdate_channel_closed(short_channel_id, is_permanent);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_HTLCFailChannelUpdate_node_failure(int8_tArray node_id, jboolean is_permanent) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKHTLCFailChannelUpdate *ret_copy = MALLOC(sizeof(LDKHTLCFailChannelUpdate), "LDKHTLCFailChannelUpdate");
+	*ret_copy = HTLCFailChannelUpdate_node_failure(node_id_ref, is_permanent);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 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);
@@ -20925,18 +21606,22 @@ uint32_t  __attribute__((visibility("default"))) TS_get_route(int8_tArray our_no
 	payee_features_conv.is_owned = (payee_features & 1) || (payee_features == 0);
 	payee_features_conv = InvoiceFeatures_clone(&payee_features_conv);
 	LDKCVec_ChannelDetailsZ first_hops_constr;
-	first_hops_constr.datalen = *((uint32_t*)first_hops);
-	if (first_hops_constr.datalen > 0)
-		first_hops_constr.data = MALLOC(first_hops_constr.datalen * sizeof(LDKChannelDetails), "LDKCVec_ChannelDetailsZ Elements");
-	else
-		first_hops_constr.data = NULL;
-	uint32_t* first_hops_vals = (uint32_t*)(first_hops + 4);
-	for (size_t q = 0; q < first_hops_constr.datalen; q++) {
-		uint32_t first_hops_conv_16 = first_hops_vals[q];
-		LDKChannelDetails first_hops_conv_16_conv;
-		first_hops_conv_16_conv.inner = (void*)(first_hops_conv_16 & (~1));
-		first_hops_conv_16_conv.is_owned = (first_hops_conv_16 & 1) || (first_hops_conv_16 == 0);
-		first_hops_constr.data[q] = first_hops_conv_16_conv;
+	LDKCVec_ChannelDetailsZ *first_hops_ptr = NULL;
+	if (first_hops != 0) {
+		first_hops_constr.datalen = *((uint32_t*)first_hops);
+		if (first_hops_constr.datalen > 0)
+			first_hops_constr.data = MALLOC(first_hops_constr.datalen * sizeof(LDKChannelDetails), "LDKCVec_ChannelDetailsZ Elements");
+		else
+			first_hops_constr.data = NULL;
+		uint32_t* first_hops_vals = (uint32_t*)(first_hops + 4);
+		for (size_t q = 0; q < first_hops_constr.datalen; q++) {
+			uint32_t first_hops_conv_16 = first_hops_vals[q];
+			LDKChannelDetails first_hops_conv_16_conv;
+			first_hops_conv_16_conv.inner = (void*)(first_hops_conv_16 & (~1));
+			first_hops_conv_16_conv.is_owned = (first_hops_conv_16 & 1) || (first_hops_conv_16 == 0);
+			first_hops_constr.data[q] = first_hops_conv_16_conv;
+		}
+		first_hops_ptr = &first_hops_constr;
 	}
 	LDKCVec_RouteHintZ last_hops_constr;
 	last_hops_constr.datalen = *((uint32_t*)last_hops);
@@ -20955,8 +21640,8 @@ uint32_t  __attribute__((visibility("default"))) TS_get_route(int8_tArray our_no
 	}
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
-	*ret_conv = get_route(our_node_id_ref, &network_conv, payee_ref, payee_features_conv, &first_hops_constr, last_hops_constr, final_value_msat, final_cltv, logger_conv);
-	FREE(first_hops_constr.data);
+	*ret_conv = get_route(our_node_id_ref, &network_conv, payee_ref, payee_features_conv, first_hops_ptr, last_hops_constr, final_value_msat, final_cltv, logger_conv);
+	if (first_hops_ptr != NULL) { FREE(first_hops_constr.data); }
 	return (uint64_t)ret_conv;
 }
 
@@ -22105,6 +22790,7 @@ jstring  __attribute__((visibility("default"))) TS_FilesystemPersister_get_data_
 	this_arg_conv.is_owned = false;
 	LDKStr ret_str = FilesystemPersister_get_data_dir(&this_arg_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -22404,6 +23090,26 @@ uint32_t  __attribute__((visibility("default"))) TS_SiPrefix_clone(uint32_t orig
 	return ret_conv;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_SiPrefix_milli() {
+	uint32_t ret_conv = LDKSiPrefix_to_js(SiPrefix_milli());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SiPrefix_micro() {
+	uint32_t ret_conv = LDKSiPrefix_to_js(SiPrefix_micro());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SiPrefix_nano() {
+	uint32_t ret_conv = LDKSiPrefix_to_js(SiPrefix_nano());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SiPrefix_pico() {
+	uint32_t ret_conv = LDKSiPrefix_to_js(SiPrefix_pico());
+	return ret_conv;
+}
+
 jboolean  __attribute__((visibility("default"))) TS_SiPrefix_eq(uint32_t a, uint32_t b) {
 	LDKSiPrefix* a_conv = (LDKSiPrefix*)(a & ~1);
 	LDKSiPrefix* b_conv = (LDKSiPrefix*)(b & ~1);
@@ -22423,6 +23129,31 @@ uint32_t  __attribute__((visibility("default"))) TS_Currency_clone(uint32_t orig
 	return ret_conv;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_Currency_bitcoin() {
+	uint32_t ret_conv = LDKCurrency_to_js(Currency_bitcoin());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Currency_bitcoin_testnet() {
+	uint32_t ret_conv = LDKCurrency_to_js(Currency_bitcoin_testnet());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Currency_regtest() {
+	uint32_t ret_conv = LDKCurrency_to_js(Currency_regtest());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Currency_simnet() {
+	uint32_t ret_conv = LDKCurrency_to_js(Currency_simnet());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Currency_signet() {
+	uint32_t ret_conv = LDKCurrency_to_js(Currency_signet());
+	return ret_conv;
+}
+
 jboolean  __attribute__((visibility("default"))) TS_Currency_eq(uint32_t a, uint32_t b) {
 	LDKCurrency* a_conv = (LDKCurrency*)(a & ~1);
 	LDKCurrency* b_conv = (LDKCurrency*)(b & ~1);
@@ -22605,6 +23336,38 @@ uint32_t  __attribute__((visibility("default"))) TS_Fallback_clone(uint32_t orig
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_Fallback_seg_wit_program(int8_t version, int8_tArray program) {
+	
+	LDKCVec_u8Z program_ref;
+	program_ref.datalen = *((uint32_t*)program);
+	program_ref.data = MALLOC(program_ref.datalen, "LDKCVec_u8Z Bytes");
+	memcpy(program_ref.data, (uint8_t*)(program + 4), program_ref.datalen);
+	LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
+	*ret_copy = Fallback_seg_wit_program((LDKu5){ ._0 = version }, program_ref);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Fallback_pub_key_hash(int8_tArray a) {
+	LDKTwentyBytes a_ref;
+	CHECK(*((uint32_t*)a) == 20);
+	memcpy(a_ref.data, (uint8_t*)(a + 4), 20);
+	LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
+	*ret_copy = Fallback_pub_key_hash(a_ref);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Fallback_script_hash(int8_tArray a) {
+	LDKTwentyBytes a_ref;
+	CHECK(*((uint32_t*)a) == 20);
+	memcpy(a_ref.data, (uint8_t*)(a + 4), 20);
+	LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
+	*ret_copy = Fallback_script_hash(a_ref);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 jboolean  __attribute__((visibility("default"))) TS_Fallback_eq(uint32_t a, uint32_t b) {
 	LDKFallback* a_conv = (LDKFallback*)a;
 	LDKFallback* b_conv = (LDKFallback*)b;
@@ -23105,6 +23868,7 @@ jstring  __attribute__((visibility("default"))) TS_Description_into_inner(uint32
 	this_arg_conv = Description_clone(&this_arg_conv);
 	LDKStr ret_str = Description_into_inner(this_arg_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -23167,6 +23931,26 @@ uint32_t  __attribute__((visibility("default"))) TS_CreationError_clone(uint32_t
 	return ret_conv;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_CreationError_description_too_long() {
+	uint32_t ret_conv = LDKCreationError_to_js(CreationError_description_too_long());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_CreationError_route_too_long() {
+	uint32_t ret_conv = LDKCreationError_to_js(CreationError_route_too_long());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_CreationError_timestamp_out_of_bounds() {
+	uint32_t ret_conv = LDKCreationError_to_js(CreationError_timestamp_out_of_bounds());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_CreationError_expiry_time_out_of_bounds() {
+	uint32_t ret_conv = LDKCreationError_to_js(CreationError_expiry_time_out_of_bounds());
+	return ret_conv;
+}
+
 jboolean  __attribute__((visibility("default"))) TS_CreationError_eq(uint32_t a, uint32_t b) {
 	LDKCreationError* a_conv = (LDKCreationError*)(a & ~1);
 	LDKCreationError* b_conv = (LDKCreationError*)(b & ~1);
@@ -23178,6 +23962,7 @@ jstring  __attribute__((visibility("default"))) TS_CreationError_to_str(uint32_t
 	LDKCreationError* o_conv = (LDKCreationError*)(o & ~1);
 	LDKStr ret_str = CreationError_to_str(o_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -23187,6 +23972,46 @@ uint32_t  __attribute__((visibility("default"))) TS_SemanticError_clone(uint32_t
 	return ret_conv;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_SemanticError_no_payment_hash() {
+	uint32_t ret_conv = LDKSemanticError_to_js(SemanticError_no_payment_hash());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SemanticError_multiple_payment_hashes() {
+	uint32_t ret_conv = LDKSemanticError_to_js(SemanticError_multiple_payment_hashes());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SemanticError_no_description() {
+	uint32_t ret_conv = LDKSemanticError_to_js(SemanticError_no_description());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SemanticError_multiple_descriptions() {
+	uint32_t ret_conv = LDKSemanticError_to_js(SemanticError_multiple_descriptions());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SemanticError_multiple_payment_secrets() {
+	uint32_t ret_conv = LDKSemanticError_to_js(SemanticError_multiple_payment_secrets());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SemanticError_invalid_features() {
+	uint32_t ret_conv = LDKSemanticError_to_js(SemanticError_invalid_features());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SemanticError_invalid_recovery_id() {
+	uint32_t ret_conv = LDKSemanticError_to_js(SemanticError_invalid_recovery_id());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SemanticError_invalid_signature() {
+	uint32_t ret_conv = LDKSemanticError_to_js(SemanticError_invalid_signature());
+	return ret_conv;
+}
+
 jboolean  __attribute__((visibility("default"))) TS_SemanticError_eq(uint32_t a, uint32_t b) {
 	LDKSemanticError* a_conv = (LDKSemanticError*)(a & ~1);
 	LDKSemanticError* b_conv = (LDKSemanticError*)(b & ~1);
@@ -23198,6 +24023,7 @@ jstring  __attribute__((visibility("default"))) TS_SemanticError_to_str(uint32_t
 	LDKSemanticError* o_conv = (LDKSemanticError*)(o & ~1);
 	LDKStr ret_str = SemanticError_to_str(o_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -23216,6 +24042,21 @@ uint32_t  __attribute__((visibility("default"))) TS_SignOrCreationError_clone(ui
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_SignOrCreationError_sign_error() {
+	LDKSignOrCreationError *ret_copy = MALLOC(sizeof(LDKSignOrCreationError), "LDKSignOrCreationError");
+	*ret_copy = SignOrCreationError_sign_error();
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SignOrCreationError_creation_error(uint32_t a) {
+	LDKCreationError a_conv = LDKCreationError_from_js(a);
+	LDKSignOrCreationError *ret_copy = MALLOC(sizeof(LDKSignOrCreationError), "LDKSignOrCreationError");
+	*ret_copy = SignOrCreationError_creation_error(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 jboolean  __attribute__((visibility("default"))) TS_SignOrCreationError_eq(uint32_t a, uint32_t b) {
 	LDKSignOrCreationError* a_conv = (LDKSignOrCreationError*)a;
 	LDKSignOrCreationError* b_conv = (LDKSignOrCreationError*)b;
@@ -23227,6 +24068,7 @@ jstring  __attribute__((visibility("default"))) TS_SignOrCreationError_to_str(ui
 	LDKSignOrCreationError* o_conv = (LDKSignOrCreationError*)o;
 	LDKStr ret_str = SignOrCreationError_to_str(o_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -23270,6 +24112,7 @@ jstring  __attribute__((visibility("default"))) TS_Invoice_to_str(uint32_t o) {
 	o_conv.is_owned = false;
 	LDKStr ret_str = Invoice_to_str(&o_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -23279,6 +24122,7 @@ jstring  __attribute__((visibility("default"))) TS_SignedRawInvoice_to_str(uint3
 	o_conv.is_owned = false;
 	LDKStr ret_str = SignedRawInvoice_to_str(&o_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -23286,6 +24130,7 @@ jstring  __attribute__((visibility("default"))) TS_Currency_to_str(uint32_t o) {
 	LDKCurrency* o_conv = (LDKCurrency*)(o & ~1);
 	LDKStr ret_str = Currency_to_str(o_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -23293,6 +24138,7 @@ jstring  __attribute__((visibility("default"))) TS_SiPrefix_to_str(uint32_t o) {
 	LDKSiPrefix* o_conv = (LDKSiPrefix*)(o & ~1);
 	LDKStr ret_str = SiPrefix_to_str(o_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
diff --git a/ts/bindings.c.body b/ts/bindings.c.body
index 739af011..d304be50 100644
--- a/ts/bindings.c.body
+++ b/ts/bindings.c.body
@@ -324,6 +324,21 @@ static inline LDKCVec_u8Z CVec_u8Z_clone(const LDKCVec_u8Z *orig) {
 	memcpy(ret.data, orig->data, sizeof(int8_t) * ret.datalen);
 	return ret;
 }
+struct LDKCVec_u8Z TxOut_get_script_pubkey (struct LDKTxOut* thing) {	return CVec_u8Z_clone(&thing->script_pubkey);}int8_tArray  __attribute__((visibility("default"))) TS_TxOut_get_script_pubkey(uint32_t thing) {
+	LDKTxOut* thing_conv = (LDKTxOut*)(thing & ~1);
+	LDKCVec_u8Z ret_var = TxOut_get_script_pubkey(thing_conv);
+	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);
+	CVec_u8Z_free(ret_var);
+	return ret_arr;
+}
+
+uint64_t TxOut_get_value (struct LDKTxOut* thing) {	return thing->value;}int64_t  __attribute__((visibility("default"))) TS_TxOut_get_value(uint32_t thing) {
+	LDKTxOut* thing_conv = (LDKTxOut*)(thing & ~1);
+	int64_t ret_val = TxOut_get_value(thing_conv);
+	return ret_val;
+}
+
 jboolean  __attribute__((visibility("default"))) TS_LDKCResult_SecretKeyErrorZ_result_ok(uint32_t arg) {
 	return ((LDKCResult_SecretKeyErrorZ*)arg)->result_ok;
 }
@@ -1597,10 +1612,9 @@ void ready_channel_LDKBaseSign_jcall(void* this_arg, const LDKChannelTransaction
 	}
 	js_invoke_function_1(j_calls->ready_channel_meth, channel_parameters_ref);
 }
-static void* LDKBaseSign_JCalls_clone(const void* this_arg) {
-	LDKBaseSign_JCalls *j_calls = (LDKBaseSign_JCalls*) this_arg;
+static void LDKBaseSign_JCalls_cloned(LDKBaseSign* new_obj) {
+	LDKBaseSign_JCalls *j_calls = (LDKBaseSign_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKBaseSign LDKBaseSign_init (/*TODO: JS Object Reference */void* o, uint32_t pubkeys) {
 	LDKBaseSign_JCalls *calls = MALLOC(sizeof(LDKBaseSign_JCalls), "LDKBaseSign_JCalls");
@@ -1798,11 +1812,10 @@ LDKCVec_u8Z write_LDKSign_jcall(const void* this_arg) {
 	memcpy(ret_ref.data, (uint8_t*)(ret + 4), ret_ref.datalen);
 	return ret_ref;
 }
-static void* LDKSign_JCalls_clone(const void* this_arg) {
-	LDKSign_JCalls *j_calls = (LDKSign_JCalls*) this_arg;
+static void LDKSign_JCalls_cloned(LDKSign* new_obj) {
+	LDKSign_JCalls *j_calls = (LDKSign_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
 	atomic_fetch_add_explicit(&j_calls->BaseSign->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKSign LDKSign_init (/*TODO: JS Object Reference */void* o, /*TODO: JS Object Reference */void* BaseSign, uint32_t pubkeys) {
 	LDKSign_JCalls *calls = MALLOC(sizeof(LDKSign_JCalls), "LDKSign_JCalls");
@@ -1817,7 +1830,7 @@ static inline LDKSign LDKSign_init (/*TODO: JS Object Reference */void* o, /*TOD
 	LDKSign ret = {
 		.this_arg = (void*) calls,
 		.write = write_LDKSign_jcall,
-		.clone = LDKSign_JCalls_clone,
+		.cloned = LDKSign_JCalls_cloned,
 		.free = LDKSign_JCalls_free,
 		.BaseSign = LDKBaseSign_init(BaseSign, pubkeys),
 	};
@@ -2379,10 +2392,9 @@ LDKCVec_MonitorEventZ release_pending_monitor_events_LDKWatch_jcall(const void*
 	}
 	return ret_constr;
 }
-static void* LDKWatch_JCalls_clone(const void* this_arg) {
-	LDKWatch_JCalls *j_calls = (LDKWatch_JCalls*) this_arg;
+static void LDKWatch_JCalls_cloned(LDKWatch* new_obj) {
+	LDKWatch_JCalls *j_calls = (LDKWatch_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKWatch LDKWatch_init (/*TODO: JS Object Reference */void* o) {
 	LDKWatch_JCalls *calls = MALLOC(sizeof(LDKWatch_JCalls), "LDKWatch_JCalls");
@@ -2467,10 +2479,9 @@ void broadcast_transaction_LDKBroadcasterInterface_jcall(const void* this_arg, L
 	Transaction_free(tx_var);
 	js_invoke_function_1(j_calls->broadcast_transaction_meth, tx_arr);
 }
-static void* LDKBroadcasterInterface_JCalls_clone(const void* this_arg) {
-	LDKBroadcasterInterface_JCalls *j_calls = (LDKBroadcasterInterface_JCalls*) this_arg;
+static void LDKBroadcasterInterface_JCalls_cloned(LDKBroadcasterInterface* new_obj) {
+	LDKBroadcasterInterface_JCalls *j_calls = (LDKBroadcasterInterface_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKBroadcasterInterface LDKBroadcasterInterface_init (/*TODO: JS Object Reference */void* o) {
 	LDKBroadcasterInterface_JCalls *calls = MALLOC(sizeof(LDKBroadcasterInterface_JCalls), "LDKBroadcasterInterface_JCalls");
@@ -2583,10 +2594,9 @@ LDKCResult_RecoverableSignatureNoneZ sign_invoice_LDKKeysInterface_jcall(const v
 	ret_conv = CResult_RecoverableSignatureNoneZ_clone((LDKCResult_RecoverableSignatureNoneZ*)(((uint64_t)ret) & ~1));
 	return ret_conv;
 }
-static void* LDKKeysInterface_JCalls_clone(const void* this_arg) {
-	LDKKeysInterface_JCalls *j_calls = (LDKKeysInterface_JCalls*) this_arg;
+static void LDKKeysInterface_JCalls_cloned(LDKKeysInterface* new_obj) {
+	LDKKeysInterface_JCalls *j_calls = (LDKKeysInterface_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKKeysInterface LDKKeysInterface_init (/*TODO: JS Object Reference */void* o) {
 	LDKKeysInterface_JCalls *calls = MALLOC(sizeof(LDKKeysInterface_JCalls), "LDKKeysInterface_JCalls");
@@ -2685,10 +2695,9 @@ uint32_t get_est_sat_per_1000_weight_LDKFeeEstimator_jcall(const void* this_arg,
 	uint32_t confirmation_target_conv = LDKConfirmationTarget_to_js(confirmation_target);
 	return js_invoke_function_1(j_calls->get_est_sat_per_1000_weight_meth, confirmation_target_conv);
 }
-static void* LDKFeeEstimator_JCalls_clone(const void* this_arg) {
-	LDKFeeEstimator_JCalls *j_calls = (LDKFeeEstimator_JCalls*) this_arg;
+static void LDKFeeEstimator_JCalls_cloned(LDKFeeEstimator* new_obj) {
+	LDKFeeEstimator_JCalls *j_calls = (LDKFeeEstimator_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKFeeEstimator LDKFeeEstimator_init (/*TODO: JS Object Reference */void* o) {
 	LDKFeeEstimator_JCalls *calls = MALLOC(sizeof(LDKFeeEstimator_JCalls), "LDKFeeEstimator_JCalls");
@@ -2731,10 +2740,9 @@ void log_LDKLogger_jcall(const void* this_arg, const char* record) {
 	jstring record_conv = str_ref_to_ts(record_str, strlen(record_str));
 	js_invoke_function_1(j_calls->log_meth, record_conv);
 }
-static void* LDKLogger_JCalls_clone(const void* this_arg) {
-	LDKLogger_JCalls *j_calls = (LDKLogger_JCalls*) this_arg;
+static void LDKLogger_JCalls_cloned(LDKLogger* new_obj) {
+	LDKLogger_JCalls *j_calls = (LDKLogger_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKLogger LDKLogger_init (/*TODO: JS Object Reference */void* o) {
 	LDKLogger_JCalls *calls = MALLOC(sizeof(LDKLogger_JCalls), "LDKLogger_JCalls");
@@ -4673,10 +4681,9 @@ LDKCVec_MessageSendEventZ get_and_clear_pending_msg_events_LDKMessageSendEventsP
 	}
 	return ret_constr;
 }
-static void* LDKMessageSendEventsProvider_JCalls_clone(const void* this_arg) {
-	LDKMessageSendEventsProvider_JCalls *j_calls = (LDKMessageSendEventsProvider_JCalls*) this_arg;
+static void LDKMessageSendEventsProvider_JCalls_cloned(LDKMessageSendEventsProvider* new_obj) {
+	LDKMessageSendEventsProvider_JCalls *j_calls = (LDKMessageSendEventsProvider_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKMessageSendEventsProvider LDKMessageSendEventsProvider_init (/*TODO: JS Object Reference */void* o) {
 	LDKMessageSendEventsProvider_JCalls *calls = MALLOC(sizeof(LDKMessageSendEventsProvider_JCalls), "LDKMessageSendEventsProvider_JCalls");
@@ -4728,10 +4735,9 @@ void handle_event_LDKEventHandler_jcall(const void* this_arg, LDKEvent event) {
 	uint64_t event_ref = (uint64_t)event_copy;
 	js_invoke_function_1(j_calls->handle_event_meth, event_ref);
 }
-static void* LDKEventHandler_JCalls_clone(const void* this_arg) {
-	LDKEventHandler_JCalls *j_calls = (LDKEventHandler_JCalls*) this_arg;
+static void LDKEventHandler_JCalls_cloned(LDKEventHandler* new_obj) {
+	LDKEventHandler_JCalls *j_calls = (LDKEventHandler_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKEventHandler LDKEventHandler_init (/*TODO: JS Object Reference */void* o) {
 	LDKEventHandler_JCalls *calls = MALLOC(sizeof(LDKEventHandler_JCalls), "LDKEventHandler_JCalls");
@@ -4773,10 +4779,9 @@ void process_pending_events_LDKEventsProvider_jcall(const void* this_arg, LDKEve
 	*ret = handler;
 	js_invoke_function_1(j_calls->process_pending_events_meth, (uint64_t)ret);
 }
-static void* LDKEventsProvider_JCalls_clone(const void* this_arg) {
-	LDKEventsProvider_JCalls *j_calls = (LDKEventsProvider_JCalls*) this_arg;
+static void LDKEventsProvider_JCalls_cloned(LDKEventsProvider* new_obj) {
+	LDKEventsProvider_JCalls *j_calls = (LDKEventsProvider_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKEventsProvider LDKEventsProvider_init (/*TODO: JS Object Reference */void* o) {
 	LDKEventsProvider_JCalls *calls = MALLOC(sizeof(LDKEventsProvider_JCalls), "LDKEventsProvider_JCalls");
@@ -4821,10 +4826,9 @@ LDKCResult_TxOutAccessErrorZ get_utxo_LDKAccess_jcall(const void* this_arg, cons
 	ret_conv = CResult_TxOutAccessErrorZ_clone((LDKCResult_TxOutAccessErrorZ*)(((uint64_t)ret) & ~1));
 	return ret_conv;
 }
-static void* LDKAccess_JCalls_clone(const void* this_arg) {
-	LDKAccess_JCalls *j_calls = (LDKAccess_JCalls*) this_arg;
+static void LDKAccess_JCalls_cloned(LDKAccess* new_obj) {
+	LDKAccess_JCalls *j_calls = (LDKAccess_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKAccess LDKAccess_init (/*TODO: JS Object Reference */void* o) {
 	LDKAccess_JCalls *calls = MALLOC(sizeof(LDKAccess_JCalls), "LDKAccess_JCalls");
@@ -4880,10 +4884,9 @@ void block_disconnected_LDKListen_jcall(const void* this_arg, const uint8_t (* h
 	memcpy((uint8_t*)(header_arr + 4), *header, 80);
 	js_invoke_function_2(j_calls->block_disconnected_meth, header_arr, height);
 }
-static void* LDKListen_JCalls_clone(const void* this_arg) {
-	LDKListen_JCalls *j_calls = (LDKListen_JCalls*) this_arg;
+static void LDKListen_JCalls_cloned(LDKListen* new_obj) {
+	LDKListen_JCalls *j_calls = (LDKListen_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKListen LDKListen_init (/*TODO: JS Object Reference */void* o) {
 	LDKListen_JCalls *calls = MALLOC(sizeof(LDKListen_JCalls), "LDKListen_JCalls");
@@ -4983,10 +4986,9 @@ LDKCVec_TxidZ get_relevant_txids_LDKConfirm_jcall(const void* this_arg) {
 	}
 	return ret_constr;
 }
-static void* LDKConfirm_JCalls_clone(const void* this_arg) {
-	LDKConfirm_JCalls *j_calls = (LDKConfirm_JCalls*) this_arg;
+static void LDKConfirm_JCalls_cloned(LDKConfirm* new_obj) {
+	LDKConfirm_JCalls *j_calls = (LDKConfirm_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKConfirm LDKConfirm_init (/*TODO: JS Object Reference */void* o) {
 	LDKConfirm_JCalls *calls = MALLOC(sizeof(LDKConfirm_JCalls), "LDKConfirm_JCalls");
@@ -5098,10 +5100,9 @@ LDKCOption_C2Tuple_usizeTransactionZZ register_output_LDKFilter_jcall(const void
 	ret_conv = COption_C2Tuple_usizeTransactionZZ_clone((LDKCOption_C2Tuple_usizeTransactionZZ*)(((uint64_t)ret) & ~1));
 	return ret_conv;
 }
-static void* LDKFilter_JCalls_clone(const void* this_arg) {
-	LDKFilter_JCalls *j_calls = (LDKFilter_JCalls*) this_arg;
+static void LDKFilter_JCalls_cloned(LDKFilter* new_obj) {
+	LDKFilter_JCalls *j_calls = (LDKFilter_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKFilter LDKFilter_init (/*TODO: JS Object Reference */void* o) {
 	LDKFilter_JCalls *calls = MALLOC(sizeof(LDKFilter_JCalls), "LDKFilter_JCalls");
@@ -5210,10 +5211,9 @@ LDKCResult_NoneChannelMonitorUpdateErrZ update_persisted_channel_LDKPersist_jcal
 	ret_conv = CResult_NoneChannelMonitorUpdateErrZ_clone((LDKCResult_NoneChannelMonitorUpdateErrZ*)(((uint64_t)ret) & ~1));
 	return ret_conv;
 }
-static void* LDKPersist_JCalls_clone(const void* this_arg) {
-	LDKPersist_JCalls *j_calls = (LDKPersist_JCalls*) this_arg;
+static void LDKPersist_JCalls_cloned(LDKPersist* new_obj) {
+	LDKPersist_JCalls *j_calls = (LDKPersist_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKPersist LDKPersist_init (/*TODO: JS Object Reference */void* o) {
 	LDKPersist_JCalls *calls = MALLOC(sizeof(LDKPersist_JCalls), "LDKPersist_JCalls");
@@ -5608,11 +5608,10 @@ void handle_error_LDKChannelMessageHandler_jcall(const void* this_arg, LDKPublic
 	}
 	js_invoke_function_2(j_calls->handle_error_meth, their_node_id_arr, msg_ref);
 }
-static void* LDKChannelMessageHandler_JCalls_clone(const void* this_arg) {
-	LDKChannelMessageHandler_JCalls *j_calls = (LDKChannelMessageHandler_JCalls*) this_arg;
+static void LDKChannelMessageHandler_JCalls_cloned(LDKChannelMessageHandler* new_obj) {
+	LDKChannelMessageHandler_JCalls *j_calls = (LDKChannelMessageHandler_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
 	atomic_fetch_add_explicit(&j_calls->MessageSendEventsProvider->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKChannelMessageHandler LDKChannelMessageHandler_init (/*TODO: JS Object Reference */void* o, /*TODO: JS Object Reference */void* MessageSendEventsProvider) {
 	LDKChannelMessageHandler_JCalls *calls = MALLOC(sizeof(LDKChannelMessageHandler_JCalls), "LDKChannelMessageHandler_JCalls");
@@ -6080,11 +6079,10 @@ LDKCResult_NoneLightningErrorZ handle_query_short_channel_ids_LDKRoutingMessageH
 	ret_conv = CResult_NoneLightningErrorZ_clone((LDKCResult_NoneLightningErrorZ*)(((uint64_t)ret) & ~1));
 	return ret_conv;
 }
-static void* LDKRoutingMessageHandler_JCalls_clone(const void* this_arg) {
-	LDKRoutingMessageHandler_JCalls *j_calls = (LDKRoutingMessageHandler_JCalls*) this_arg;
+static void LDKRoutingMessageHandler_JCalls_cloned(LDKRoutingMessageHandler* new_obj) {
+	LDKRoutingMessageHandler_JCalls *j_calls = (LDKRoutingMessageHandler_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
 	atomic_fetch_add_explicit(&j_calls->MessageSendEventsProvider->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKRoutingMessageHandler LDKRoutingMessageHandler_init (/*TODO: JS Object Reference */void* o, /*TODO: JS Object Reference */void* MessageSendEventsProvider) {
 	LDKRoutingMessageHandler_JCalls *calls = MALLOC(sizeof(LDKRoutingMessageHandler_JCalls), "LDKRoutingMessageHandler_JCalls");
@@ -6292,10 +6290,9 @@ uint64_t hash_LDKSocketDescriptor_jcall(const void* this_arg) {
 	LDKSocketDescriptor_JCalls *j_calls = (LDKSocketDescriptor_JCalls*) this_arg;
 	return js_invoke_function_0(j_calls->hash_meth);
 }
-static void* LDKSocketDescriptor_JCalls_clone(const void* this_arg) {
-	LDKSocketDescriptor_JCalls *j_calls = (LDKSocketDescriptor_JCalls*) this_arg;
+static void LDKSocketDescriptor_JCalls_cloned(LDKSocketDescriptor* new_obj) {
+	LDKSocketDescriptor_JCalls *j_calls = (LDKSocketDescriptor_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKSocketDescriptor LDKSocketDescriptor_init (/*TODO: JS Object Reference */void* o) {
 	LDKSocketDescriptor_JCalls *calls = MALLOC(sizeof(LDKSocketDescriptor_JCalls), "LDKSocketDescriptor_JCalls");
@@ -6308,7 +6305,7 @@ static inline LDKSocketDescriptor LDKSocketDescriptor_init (/*TODO: JS Object Re
 		.disconnect_socket = disconnect_socket_LDKSocketDescriptor_jcall,
 		.eq = eq_LDKSocketDescriptor_jcall,
 		.hash = hash_LDKSocketDescriptor_jcall,
-		.clone = LDKSocketDescriptor_JCalls_clone,
+		.cloned = LDKSocketDescriptor_JCalls_cloned,
 		.free = LDKSocketDescriptor_JCalls_free,
 	};
 	return ret;
@@ -6364,10 +6361,9 @@ LDKCResult_NoneErrorZ persist_manager_LDKChannelManagerPersister_jcall(const voi
 	ret_conv = CResult_NoneErrorZ_clone((LDKCResult_NoneErrorZ*)(((uint64_t)ret) & ~1));
 	return ret_conv;
 }
-static void* LDKChannelManagerPersister_JCalls_clone(const void* this_arg) {
-	LDKChannelManagerPersister_JCalls *j_calls = (LDKChannelManagerPersister_JCalls*) this_arg;
+static void LDKChannelManagerPersister_JCalls_cloned(LDKChannelManagerPersister* new_obj) {
+	LDKChannelManagerPersister_JCalls *j_calls = (LDKChannelManagerPersister_JCalls*) new_obj->this_arg;
 	atomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);
-	return (void*) this_arg;
 }
 static inline LDKChannelManagerPersister LDKChannelManagerPersister_init (/*TODO: JS Object Reference */void* o) {
 	LDKChannelManagerPersister_JCalls *calls = MALLOC(sizeof(LDKChannelManagerPersister_JCalls), "LDKChannelManagerPersister_JCalls");
@@ -6422,12 +6418,14 @@ uint32_t __attribute__((visibility("default"))) TS_LDKFallback_ref_from_ptr(uint
 jstring  __attribute__((visibility("default"))) TS__ldk_get_compiled_version() {
 	LDKStr ret_str = _ldk_get_compiled_version();
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
 jstring  __attribute__((visibility("default"))) TS__ldk_c_bindings_get_compiled_version() {
 	LDKStr ret_str = _ldk_c_bindings_get_compiled_version();
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -6440,6 +6438,16 @@ void  __attribute__((visibility("default"))) TS_Transaction_free(int8_tArray _re
 	Transaction_free(_res_ref);
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_TxOut_new(int8_tArray script_pubkey, int64_t value) {
+	LDKCVec_u8Z script_pubkey_ref;
+	script_pubkey_ref.datalen = *((uint32_t*)script_pubkey);
+	script_pubkey_ref.data = MALLOC(script_pubkey_ref.datalen, "LDKCVec_u8Z Bytes");
+	memcpy(script_pubkey_ref.data, (uint8_t*)(script_pubkey + 4), script_pubkey_ref.datalen);
+	LDKTxOut* ret_ref = MALLOC(sizeof(LDKTxOut), "LDKTxOut");
+	*ret_ref = TxOut_new(script_pubkey_ref, value);
+	return (uint64_t)ret_ref;
+}
+
 void  __attribute__((visibility("default"))) TS_TxOut_free(uint32_t _res) {
 	if ((_res & 1) != 0) return;
 	LDKTxOut _res_conv = *(LDKTxOut*)(((uint64_t)_res) & ~1);
@@ -10723,6 +10731,83 @@ uint32_t  __attribute__((visibility("default"))) TS_Event_clone(uint32_t orig) {
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_Event_funding_generation_ready(int8_tArray temporary_channel_id, int64_t channel_value_satoshis, int8_tArray output_script, int64_t user_channel_id) {
+	LDKThirtyTwoBytes temporary_channel_id_ref;
+	CHECK(*((uint32_t*)temporary_channel_id) == 32);
+	memcpy(temporary_channel_id_ref.data, (uint8_t*)(temporary_channel_id + 4), 32);
+	LDKCVec_u8Z output_script_ref;
+	output_script_ref.datalen = *((uint32_t*)output_script);
+	output_script_ref.data = MALLOC(output_script_ref.datalen, "LDKCVec_u8Z Bytes");
+	memcpy(output_script_ref.data, (uint8_t*)(output_script + 4), output_script_ref.datalen);
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_funding_generation_ready(temporary_channel_id_ref, channel_value_satoshis, output_script_ref, user_channel_id);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Event_payment_received(int8_tArray payment_hash, int8_tArray payment_preimage, int8_tArray payment_secret, int64_t amt, int64_t user_payment_id) {
+	LDKThirtyTwoBytes payment_hash_ref;
+	CHECK(*((uint32_t*)payment_hash) == 32);
+	memcpy(payment_hash_ref.data, (uint8_t*)(payment_hash + 4), 32);
+	LDKThirtyTwoBytes payment_preimage_ref;
+	CHECK(*((uint32_t*)payment_preimage) == 32);
+	memcpy(payment_preimage_ref.data, (uint8_t*)(payment_preimage + 4), 32);
+	LDKThirtyTwoBytes payment_secret_ref;
+	CHECK(*((uint32_t*)payment_secret) == 32);
+	memcpy(payment_secret_ref.data, (uint8_t*)(payment_secret + 4), 32);
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_payment_received(payment_hash_ref, payment_preimage_ref, payment_secret_ref, amt, user_payment_id);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Event_payment_sent(int8_tArray payment_preimage) {
+	LDKThirtyTwoBytes payment_preimage_ref;
+	CHECK(*((uint32_t*)payment_preimage) == 32);
+	memcpy(payment_preimage_ref.data, (uint8_t*)(payment_preimage + 4), 32);
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_payment_sent(payment_preimage_ref);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Event_payment_failed(int8_tArray payment_hash, jboolean rejected_by_dest) {
+	LDKThirtyTwoBytes payment_hash_ref;
+	CHECK(*((uint32_t*)payment_hash) == 32);
+	memcpy(payment_hash_ref.data, (uint8_t*)(payment_hash + 4), 32);
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_payment_failed(payment_hash_ref, rejected_by_dest);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Event_pending_htlcs_forwardable(int64_t time_forwardable) {
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_pending_htlcs_forwardable(time_forwardable);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Event_spendable_outputs(uint32_tArray outputs) {
+	LDKCVec_SpendableOutputDescriptorZ outputs_constr;
+	outputs_constr.datalen = *((uint32_t*)outputs);
+	if (outputs_constr.datalen > 0)
+		outputs_constr.data = MALLOC(outputs_constr.datalen * sizeof(LDKSpendableOutputDescriptor), "LDKCVec_SpendableOutputDescriptorZ Elements");
+	else
+		outputs_constr.data = NULL;
+	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);
+		outputs_conv_27_conv = SpendableOutputDescriptor_clone((LDKSpendableOutputDescriptor*)(((uint64_t)outputs_conv_27) & ~1));
+		outputs_constr.data[b] = outputs_conv_27_conv;
+	}
+	LDKEvent *ret_copy = MALLOC(sizeof(LDKEvent), "LDKEvent");
+	*ret_copy = Event_spendable_outputs(outputs_constr);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 int8_tArray  __attribute__((visibility("default"))) TS_Event_write(uint32_t obj) {
 	LDKEvent* obj_conv = (LDKEvent*)obj;
 	LDKCVec_u8Z ret_var = Event_write(obj_conv);
@@ -10747,6 +10832,272 @@ uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_clone(uint3
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_accept_channel(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKAcceptChannel msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = AcceptChannel_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_accept_channel(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_open_channel(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKOpenChannel msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = OpenChannel_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_open_channel(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_funding_created(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKFundingCreated msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = FundingCreated_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_funding_created(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_funding_signed(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKFundingSigned msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = FundingSigned_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_funding_signed(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_funding_locked(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKFundingLocked msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = FundingLocked_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_funding_locked(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_announcement_signatures(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKAnnouncementSignatures msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = AnnouncementSignatures_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_announcement_signatures(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_update_htlcs(int8_tArray node_id, uint32_t updates) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKCommitmentUpdate updates_conv;
+	updates_conv.inner = (void*)(updates & (~1));
+	updates_conv.is_owned = (updates & 1) || (updates == 0);
+	updates_conv = CommitmentUpdate_clone(&updates_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_update_htlcs(node_id_ref, updates_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_revoke_and_ack(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKRevokeAndACK msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = RevokeAndACK_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_revoke_and_ack(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_closing_signed(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKClosingSigned msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ClosingSigned_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_closing_signed(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_shutdown(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKShutdown msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = Shutdown_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_shutdown(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_channel_reestablish(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKChannelReestablish msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelReestablish_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_channel_reestablish(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_broadcast_channel_announcement(uint32_t msg, uint32_t update_msg) {
+	LDKChannelAnnouncement msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelAnnouncement_clone(&msg_conv);
+	LDKChannelUpdate update_msg_conv;
+	update_msg_conv.inner = (void*)(update_msg & (~1));
+	update_msg_conv.is_owned = (update_msg & 1) || (update_msg == 0);
+	update_msg_conv = ChannelUpdate_clone(&update_msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_broadcast_channel_announcement(msg_conv, update_msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_broadcast_node_announcement(uint32_t msg) {
+	LDKNodeAnnouncement msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = NodeAnnouncement_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_broadcast_node_announcement(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_broadcast_channel_update(uint32_t msg) {
+	LDKChannelUpdate msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelUpdate_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_broadcast_channel_update(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_channel_update(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKChannelUpdate msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelUpdate_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_channel_update(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_handle_error(int8_tArray node_id, uint32_t action) {
+	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);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_handle_error(node_id_ref, action_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_payment_failure_network_update(uint32_t update) {
+	LDKHTLCFailChannelUpdate update_conv = *(LDKHTLCFailChannelUpdate*)(((uint64_t)update) & ~1);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_payment_failure_network_update(update_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_channel_range_query(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKQueryChannelRange msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = QueryChannelRange_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_channel_range_query(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_short_ids_query(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKQueryShortChannelIds msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = QueryShortChannelIds_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_short_ids_query(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MessageSendEvent_send_reply_channel_range(int8_tArray node_id, uint32_t msg) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKReplyChannelRange msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ReplyChannelRange_clone(&msg_conv);
+	LDKMessageSendEvent *ret_copy = MALLOC(sizeof(LDKMessageSendEvent), "LDKMessageSendEvent");
+	*ret_copy = MessageSendEvent_send_reply_channel_range(node_id_ref, msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 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);
@@ -10778,7 +11129,46 @@ void  __attribute__((visibility("default"))) TS_APIError_free(uint32_t this_ptr)
 uint32_t  __attribute__((visibility("default"))) TS_APIError_clone(uint32_t orig) {
 	LDKAPIError* orig_conv = (LDKAPIError*)orig;
 	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
-	*ret_copy = APIError_clone(orig_conv);
+	*ret_copy = APIError_clone(orig_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_APIError_apimisuse_error(jstring err) {
+	LDKStr err_conv = str_ref_to_owned_c(err);
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_apimisuse_error(err_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_APIError_fee_rate_too_high(jstring err, int32_t feerate) {
+	LDKStr err_conv = str_ref_to_owned_c(err);
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_fee_rate_too_high(err_conv, feerate);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_APIError_route_error(jstring err) {
+	LDKStr err_conv = str_ref_to_owned_c(err);
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_route_error(err_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_APIError_channel_unavailable(jstring err) {
+	LDKStr err_conv = str_ref_to_owned_c(err);
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_channel_unavailable(err_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_APIError_monitor_update_failed() {
+	LDKAPIError *ret_copy = MALLOC(sizeof(LDKAPIError), "LDKAPIError");
+	*ret_copy = APIError_monitor_update_failed();
 	uint64_t ret_ref = (uint64_t)ret_copy;
 	return ret_ref;
 }
@@ -10824,6 +11214,31 @@ uint32_t  __attribute__((visibility("default"))) TS_Level_clone(uint32_t orig) {
 	return ret_conv;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_Level_trace() {
+	uint32_t ret_conv = LDKLevel_to_js(Level_trace());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Level_debug() {
+	uint32_t ret_conv = LDKLevel_to_js(Level_debug());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Level_info() {
+	uint32_t ret_conv = LDKLevel_to_js(Level_info());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Level_warn() {
+	uint32_t ret_conv = LDKLevel_to_js(Level_warn());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Level_error() {
+	uint32_t ret_conv = LDKLevel_to_js(Level_error());
+	return ret_conv;
+}
+
 jboolean  __attribute__((visibility("default"))) TS_Level_eq(uint32_t a, uint32_t b) {
 	LDKLevel* a_conv = (LDKLevel*)(a & ~1);
 	LDKLevel* b_conv = (LDKLevel*)(b & ~1);
@@ -11453,6 +11868,16 @@ uint32_t  __attribute__((visibility("default"))) TS_AccessError_clone(uint32_t o
 	return ret_conv;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_AccessError_unknown_chain() {
+	uint32_t ret_conv = LDKAccessError_to_js(AccessError_unknown_chain());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_AccessError_unknown_tx() {
+	uint32_t ret_conv = LDKAccessError_to_js(AccessError_unknown_tx());
+	return ret_conv;
+}
+
 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);
@@ -11617,6 +12042,21 @@ uint32_t  __attribute__((visibility("default"))) TS_ConfirmationTarget_clone(uin
 	return ret_conv;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_ConfirmationTarget_background() {
+	uint32_t ret_conv = LDKConfirmationTarget_to_js(ConfirmationTarget_background());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_ConfirmationTarget_normal() {
+	uint32_t ret_conv = LDKConfirmationTarget_to_js(ConfirmationTarget_normal());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_ConfirmationTarget_high_priority() {
+	uint32_t ret_conv = LDKConfirmationTarget_to_js(ConfirmationTarget_high_priority());
+	return ret_conv;
+}
+
 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);
@@ -11751,6 +12191,16 @@ uint32_t  __attribute__((visibility("default"))) TS_ChannelMonitorUpdateErr_clon
 	return ret_conv;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_ChannelMonitorUpdateErr_temporary_failure() {
+	uint32_t ret_conv = LDKChannelMonitorUpdateErr_to_js(ChannelMonitorUpdateErr_temporary_failure());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_ChannelMonitorUpdateErr_permanent_failure() {
+	uint32_t ret_conv = LDKChannelMonitorUpdateErr_to_js(ChannelMonitorUpdateErr_permanent_failure());
+	return ret_conv;
+}
+
 void  __attribute__((visibility("default"))) TS_MonitorUpdateError_free(uint32_t this_obj) {
 	LDKMonitorUpdateError this_obj_conv;
 	this_obj_conv.inner = (void*)(this_obj & (~1));
@@ -11787,6 +12237,28 @@ uint32_t  __attribute__((visibility("default"))) TS_MonitorEvent_clone(uint32_t
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_MonitorEvent_htlcevent(uint32_t a) {
+	LDKHTLCUpdate a_conv;
+	a_conv.inner = (void*)(a & (~1));
+	a_conv.is_owned = (a & 1) || (a == 0);
+	a_conv = HTLCUpdate_clone(&a_conv);
+	LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
+	*ret_copy = MonitorEvent_htlcevent(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_MonitorEvent_commitment_tx_broadcasted(uint32_t a) {
+	LDKOutPoint a_conv;
+	a_conv.inner = (void*)(a & (~1));
+	a_conv.is_owned = (a & 1) || (a == 0);
+	a_conv = OutPoint_clone(&a_conv);
+	LDKMonitorEvent *ret_copy = MALLOC(sizeof(LDKMonitorEvent), "LDKMonitorEvent");
+	*ret_copy = MonitorEvent_commitment_tx_broadcasted(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 void  __attribute__((visibility("default"))) TS_HTLCUpdate_free(uint32_t this_obj) {
 	LDKHTLCUpdate this_obj_conv;
 	this_obj_conv.inner = (void*)(this_obj & (~1));
@@ -12584,6 +13056,40 @@ uint32_t  __attribute__((visibility("default"))) TS_SpendableOutputDescriptor_cl
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_SpendableOutputDescriptor_static_output(uint32_t outpoint, uint32_t output) {
+	LDKOutPoint outpoint_conv;
+	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);
+	LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
+	*ret_copy = SpendableOutputDescriptor_static_output(outpoint_conv, output_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SpendableOutputDescriptor_delayed_payment_output(uint32_t a) {
+	LDKDelayedPaymentOutputDescriptor a_conv;
+	a_conv.inner = (void*)(a & (~1));
+	a_conv.is_owned = (a & 1) || (a == 0);
+	a_conv = DelayedPaymentOutputDescriptor_clone(&a_conv);
+	LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
+	*ret_copy = SpendableOutputDescriptor_delayed_payment_output(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SpendableOutputDescriptor_static_payment_output(uint32_t a) {
+	LDKStaticPaymentOutputDescriptor a_conv;
+	a_conv.inner = (void*)(a & (~1));
+	a_conv.is_owned = (a & 1) || (a == 0);
+	a_conv = StaticPaymentOutputDescriptor_clone(&a_conv);
+	LDKSpendableOutputDescriptor *ret_copy = MALLOC(sizeof(LDKSpendableOutputDescriptor), "LDKSpendableOutputDescriptor");
+	*ret_copy = SpendableOutputDescriptor_static_payment_output(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 int8_tArray  __attribute__((visibility("default"))) TS_SpendableOutputDescriptor_write(uint32_t obj) {
 	LDKSpendableOutputDescriptor* obj_conv = (LDKSpendableOutputDescriptor*)obj;
 	LDKCVec_u8Z ret_var = SpendableOutputDescriptor_write(obj_conv);
@@ -13511,6 +14017,74 @@ uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_clone(uin
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_parameter_error(uint32_t a) {
+	LDKAPIError a_conv = *(LDKAPIError*)(((uint64_t)a) & ~1);
+	LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
+	*ret_copy = PaymentSendFailure_parameter_error(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_path_parameter_error(uint32_tArray a) {
+	LDKCVec_CResult_NoneAPIErrorZZ a_constr;
+	a_constr.datalen = *((uint32_t*)a);
+	if (a_constr.datalen > 0)
+		a_constr.data = MALLOC(a_constr.datalen * sizeof(LDKCResult_NoneAPIErrorZ), "LDKCVec_CResult_NoneAPIErrorZZ Elements");
+	else
+		a_constr.data = NULL;
+	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);
+		a_conv_22_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1));
+		a_constr.data[w] = a_conv_22_conv;
+	}
+	LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
+	*ret_copy = PaymentSendFailure_path_parameter_error(a_constr);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_all_failed_retry_safe(uint32_tArray a) {
+	LDKCVec_APIErrorZ a_constr;
+	a_constr.datalen = *((uint32_t*)a);
+	if (a_constr.datalen > 0)
+		a_constr.data = MALLOC(a_constr.datalen * sizeof(LDKAPIError), "LDKCVec_APIErrorZ Elements");
+	else
+		a_constr.data = NULL;
+	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);
+		a_conv_10_conv = APIError_clone((LDKAPIError*)(((uint64_t)a_conv_10) & ~1));
+		a_constr.data[k] = a_conv_10_conv;
+	}
+	LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
+	*ret_copy = PaymentSendFailure_all_failed_retry_safe(a_constr);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_PaymentSendFailure_partial_failure(uint32_tArray a) {
+	LDKCVec_CResult_NoneAPIErrorZZ a_constr;
+	a_constr.datalen = *((uint32_t*)a);
+	if (a_constr.datalen > 0)
+		a_constr.data = MALLOC(a_constr.datalen * sizeof(LDKCResult_NoneAPIErrorZ), "LDKCVec_CResult_NoneAPIErrorZZ Elements");
+	else
+		a_constr.data = NULL;
+	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);
+		a_conv_22_conv = CResult_NoneAPIErrorZ_clone((LDKCResult_NoneAPIErrorZ*)(((uint64_t)a_conv_22) & ~1));
+		a_constr.data[w] = a_conv_22_conv;
+	}
+	LDKPaymentSendFailure *ret_copy = MALLOC(sizeof(LDKPaymentSendFailure), "LDKPaymentSendFailure");
+	*ret_copy = PaymentSendFailure_partial_failure(a_constr);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 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);
@@ -14138,6 +14712,7 @@ jstring  __attribute__((visibility("default"))) TS_ErrorMessage_get_data(uint32_
 	this_ptr_conv.is_owned = false;
 	LDKStr ret_str = ErrorMessage_get_data(&this_ptr_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -16176,6 +16751,46 @@ uint32_t  __attribute__((visibility("default"))) TS_NetAddress_clone(uint32_t or
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_NetAddress_ipv4(int8_tArray addr, int16_t port) {
+	LDKFourBytes addr_ref;
+	CHECK(*((uint32_t*)addr) == 4);
+	memcpy(addr_ref.data, (uint8_t*)(addr + 4), 4);
+	LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
+	*ret_copy = NetAddress_ipv4(addr_ref, port);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_NetAddress_ipv6(int8_tArray addr, int16_t port) {
+	LDKSixteenBytes addr_ref;
+	CHECK(*((uint32_t*)addr) == 16);
+	memcpy(addr_ref.data, (uint8_t*)(addr + 4), 16);
+	LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
+	*ret_copy = NetAddress_ipv6(addr_ref, port);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_NetAddress_onion_v2(int8_tArray addr, int16_t port) {
+	LDKTenBytes addr_ref;
+	CHECK(*((uint32_t*)addr) == 10);
+	memcpy(addr_ref.data, (uint8_t*)(addr + 4), 10);
+	LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
+	*ret_copy = NetAddress_onion_v2(addr_ref, port);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_NetAddress_onion_v3(int8_tArray ed25519_pubkey, int16_t checksum, int8_t version, int16_t port) {
+	LDKThirtyTwoBytes ed25519_pubkey_ref;
+	CHECK(*((uint32_t*)ed25519_pubkey) == 32);
+	memcpy(ed25519_pubkey_ref.data, (uint8_t*)(ed25519_pubkey + 4), 32);
+	LDKNetAddress *ret_copy = MALLOC(sizeof(LDKNetAddress), "LDKNetAddress");
+	*ret_copy = NetAddress_onion_v3(ed25519_pubkey_ref, checksum, version, port);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 int8_tArray  __attribute__((visibility("default"))) TS_NetAddress_write(uint32_t obj) {
 	LDKNetAddress* obj_conv = (LDKNetAddress*)obj;
 	LDKCVec_u8Z ret_var = NetAddress_write(obj_conv);
@@ -17420,6 +18035,43 @@ uint32_t  __attribute__((visibility("default"))) TS_ErrorAction_clone(uint32_t o
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_ErrorAction_disconnect_peer(uint32_t msg) {
+	LDKErrorMessage msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ErrorMessage_clone(&msg_conv);
+	LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
+	*ret_copy = ErrorAction_disconnect_peer(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_ErrorAction_ignore_error() {
+	LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
+	*ret_copy = ErrorAction_ignore_error();
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_ErrorAction_ignore_and_log(uint32_t a) {
+	LDKLevel a_conv = LDKLevel_from_js(a);
+	LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
+	*ret_copy = ErrorAction_ignore_and_log(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_ErrorAction_send_error_message(uint32_t msg) {
+	LDKErrorMessage msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ErrorMessage_clone(&msg_conv);
+	LDKErrorAction *ret_copy = MALLOC(sizeof(LDKErrorAction), "LDKErrorAction");
+	*ret_copy = ErrorAction_send_error_message(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 void  __attribute__((visibility("default"))) TS_LightningError_free(uint32_t this_obj) {
 	LDKLightningError this_obj_conv;
 	this_obj_conv.inner = (void*)(this_obj & (~1));
@@ -17433,6 +18085,7 @@ jstring  __attribute__((visibility("default"))) TS_LightningError_get_err(uint32
 	this_ptr_conv.is_owned = false;
 	LDKStr ret_str = LightningError_get_err(&this_ptr_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -17742,6 +18395,34 @@ uint32_t  __attribute__((visibility("default"))) TS_HTLCFailChannelUpdate_clone(
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_HTLCFailChannelUpdate_channel_update_message(uint32_t msg) {
+	LDKChannelUpdate msg_conv;
+	msg_conv.inner = (void*)(msg & (~1));
+	msg_conv.is_owned = (msg & 1) || (msg == 0);
+	msg_conv = ChannelUpdate_clone(&msg_conv);
+	LDKHTLCFailChannelUpdate *ret_copy = MALLOC(sizeof(LDKHTLCFailChannelUpdate), "LDKHTLCFailChannelUpdate");
+	*ret_copy = HTLCFailChannelUpdate_channel_update_message(msg_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_HTLCFailChannelUpdate_channel_closed(int64_t short_channel_id, jboolean is_permanent) {
+	LDKHTLCFailChannelUpdate *ret_copy = MALLOC(sizeof(LDKHTLCFailChannelUpdate), "LDKHTLCFailChannelUpdate");
+	*ret_copy = HTLCFailChannelUpdate_channel_closed(short_channel_id, is_permanent);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_HTLCFailChannelUpdate_node_failure(int8_tArray node_id, jboolean is_permanent) {
+	LDKPublicKey node_id_ref;
+	CHECK(*((uint32_t*)node_id) == 33);
+	memcpy(node_id_ref.compressed_form, (uint8_t*)(node_id + 4), 33);
+	LDKHTLCFailChannelUpdate *ret_copy = MALLOC(sizeof(LDKHTLCFailChannelUpdate), "LDKHTLCFailChannelUpdate");
+	*ret_copy = HTLCFailChannelUpdate_node_failure(node_id_ref, is_permanent);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 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);
@@ -20923,18 +21604,22 @@ uint32_t  __attribute__((visibility("default"))) TS_get_route(int8_tArray our_no
 	payee_features_conv.is_owned = (payee_features & 1) || (payee_features == 0);
 	payee_features_conv = InvoiceFeatures_clone(&payee_features_conv);
 	LDKCVec_ChannelDetailsZ first_hops_constr;
-	first_hops_constr.datalen = *((uint32_t*)first_hops);
-	if (first_hops_constr.datalen > 0)
-		first_hops_constr.data = MALLOC(first_hops_constr.datalen * sizeof(LDKChannelDetails), "LDKCVec_ChannelDetailsZ Elements");
-	else
-		first_hops_constr.data = NULL;
-	uint32_t* first_hops_vals = (uint32_t*)(first_hops + 4);
-	for (size_t q = 0; q < first_hops_constr.datalen; q++) {
-		uint32_t first_hops_conv_16 = first_hops_vals[q];
-		LDKChannelDetails first_hops_conv_16_conv;
-		first_hops_conv_16_conv.inner = (void*)(first_hops_conv_16 & (~1));
-		first_hops_conv_16_conv.is_owned = (first_hops_conv_16 & 1) || (first_hops_conv_16 == 0);
-		first_hops_constr.data[q] = first_hops_conv_16_conv;
+	LDKCVec_ChannelDetailsZ *first_hops_ptr = NULL;
+	if (first_hops != 0) {
+		first_hops_constr.datalen = *((uint32_t*)first_hops);
+		if (first_hops_constr.datalen > 0)
+			first_hops_constr.data = MALLOC(first_hops_constr.datalen * sizeof(LDKChannelDetails), "LDKCVec_ChannelDetailsZ Elements");
+		else
+			first_hops_constr.data = NULL;
+		uint32_t* first_hops_vals = (uint32_t*)(first_hops + 4);
+		for (size_t q = 0; q < first_hops_constr.datalen; q++) {
+			uint32_t first_hops_conv_16 = first_hops_vals[q];
+			LDKChannelDetails first_hops_conv_16_conv;
+			first_hops_conv_16_conv.inner = (void*)(first_hops_conv_16 & (~1));
+			first_hops_conv_16_conv.is_owned = (first_hops_conv_16 & 1) || (first_hops_conv_16 == 0);
+			first_hops_constr.data[q] = first_hops_conv_16_conv;
+		}
+		first_hops_ptr = &first_hops_constr;
 	}
 	LDKCVec_RouteHintZ last_hops_constr;
 	last_hops_constr.datalen = *((uint32_t*)last_hops);
@@ -20953,8 +21638,8 @@ uint32_t  __attribute__((visibility("default"))) TS_get_route(int8_tArray our_no
 	}
 	LDKLogger logger_conv = *(LDKLogger*)(((uint64_t)logger) & ~1);
 	LDKCResult_RouteLightningErrorZ* ret_conv = MALLOC(sizeof(LDKCResult_RouteLightningErrorZ), "LDKCResult_RouteLightningErrorZ");
-	*ret_conv = get_route(our_node_id_ref, &network_conv, payee_ref, payee_features_conv, &first_hops_constr, last_hops_constr, final_value_msat, final_cltv, logger_conv);
-	FREE(first_hops_constr.data);
+	*ret_conv = get_route(our_node_id_ref, &network_conv, payee_ref, payee_features_conv, first_hops_ptr, last_hops_constr, final_value_msat, final_cltv, logger_conv);
+	if (first_hops_ptr != NULL) { FREE(first_hops_constr.data); }
 	return (uint64_t)ret_conv;
 }
 
@@ -22103,6 +22788,7 @@ jstring  __attribute__((visibility("default"))) TS_FilesystemPersister_get_data_
 	this_arg_conv.is_owned = false;
 	LDKStr ret_str = FilesystemPersister_get_data_dir(&this_arg_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -22402,6 +23088,26 @@ uint32_t  __attribute__((visibility("default"))) TS_SiPrefix_clone(uint32_t orig
 	return ret_conv;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_SiPrefix_milli() {
+	uint32_t ret_conv = LDKSiPrefix_to_js(SiPrefix_milli());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SiPrefix_micro() {
+	uint32_t ret_conv = LDKSiPrefix_to_js(SiPrefix_micro());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SiPrefix_nano() {
+	uint32_t ret_conv = LDKSiPrefix_to_js(SiPrefix_nano());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SiPrefix_pico() {
+	uint32_t ret_conv = LDKSiPrefix_to_js(SiPrefix_pico());
+	return ret_conv;
+}
+
 jboolean  __attribute__((visibility("default"))) TS_SiPrefix_eq(uint32_t a, uint32_t b) {
 	LDKSiPrefix* a_conv = (LDKSiPrefix*)(a & ~1);
 	LDKSiPrefix* b_conv = (LDKSiPrefix*)(b & ~1);
@@ -22421,6 +23127,31 @@ uint32_t  __attribute__((visibility("default"))) TS_Currency_clone(uint32_t orig
 	return ret_conv;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_Currency_bitcoin() {
+	uint32_t ret_conv = LDKCurrency_to_js(Currency_bitcoin());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Currency_bitcoin_testnet() {
+	uint32_t ret_conv = LDKCurrency_to_js(Currency_bitcoin_testnet());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Currency_regtest() {
+	uint32_t ret_conv = LDKCurrency_to_js(Currency_regtest());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Currency_simnet() {
+	uint32_t ret_conv = LDKCurrency_to_js(Currency_simnet());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Currency_signet() {
+	uint32_t ret_conv = LDKCurrency_to_js(Currency_signet());
+	return ret_conv;
+}
+
 jboolean  __attribute__((visibility("default"))) TS_Currency_eq(uint32_t a, uint32_t b) {
 	LDKCurrency* a_conv = (LDKCurrency*)(a & ~1);
 	LDKCurrency* b_conv = (LDKCurrency*)(b & ~1);
@@ -22603,6 +23334,38 @@ uint32_t  __attribute__((visibility("default"))) TS_Fallback_clone(uint32_t orig
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_Fallback_seg_wit_program(int8_t version, int8_tArray program) {
+	
+	LDKCVec_u8Z program_ref;
+	program_ref.datalen = *((uint32_t*)program);
+	program_ref.data = MALLOC(program_ref.datalen, "LDKCVec_u8Z Bytes");
+	memcpy(program_ref.data, (uint8_t*)(program + 4), program_ref.datalen);
+	LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
+	*ret_copy = Fallback_seg_wit_program((LDKu5){ ._0 = version }, program_ref);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Fallback_pub_key_hash(int8_tArray a) {
+	LDKTwentyBytes a_ref;
+	CHECK(*((uint32_t*)a) == 20);
+	memcpy(a_ref.data, (uint8_t*)(a + 4), 20);
+	LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
+	*ret_copy = Fallback_pub_key_hash(a_ref);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_Fallback_script_hash(int8_tArray a) {
+	LDKTwentyBytes a_ref;
+	CHECK(*((uint32_t*)a) == 20);
+	memcpy(a_ref.data, (uint8_t*)(a + 4), 20);
+	LDKFallback *ret_copy = MALLOC(sizeof(LDKFallback), "LDKFallback");
+	*ret_copy = Fallback_script_hash(a_ref);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 jboolean  __attribute__((visibility("default"))) TS_Fallback_eq(uint32_t a, uint32_t b) {
 	LDKFallback* a_conv = (LDKFallback*)a;
 	LDKFallback* b_conv = (LDKFallback*)b;
@@ -23103,6 +23866,7 @@ jstring  __attribute__((visibility("default"))) TS_Description_into_inner(uint32
 	this_arg_conv = Description_clone(&this_arg_conv);
 	LDKStr ret_str = Description_into_inner(this_arg_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -23165,6 +23929,26 @@ uint32_t  __attribute__((visibility("default"))) TS_CreationError_clone(uint32_t
 	return ret_conv;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_CreationError_description_too_long() {
+	uint32_t ret_conv = LDKCreationError_to_js(CreationError_description_too_long());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_CreationError_route_too_long() {
+	uint32_t ret_conv = LDKCreationError_to_js(CreationError_route_too_long());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_CreationError_timestamp_out_of_bounds() {
+	uint32_t ret_conv = LDKCreationError_to_js(CreationError_timestamp_out_of_bounds());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_CreationError_expiry_time_out_of_bounds() {
+	uint32_t ret_conv = LDKCreationError_to_js(CreationError_expiry_time_out_of_bounds());
+	return ret_conv;
+}
+
 jboolean  __attribute__((visibility("default"))) TS_CreationError_eq(uint32_t a, uint32_t b) {
 	LDKCreationError* a_conv = (LDKCreationError*)(a & ~1);
 	LDKCreationError* b_conv = (LDKCreationError*)(b & ~1);
@@ -23176,6 +23960,7 @@ jstring  __attribute__((visibility("default"))) TS_CreationError_to_str(uint32_t
 	LDKCreationError* o_conv = (LDKCreationError*)(o & ~1);
 	LDKStr ret_str = CreationError_to_str(o_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -23185,6 +23970,46 @@ uint32_t  __attribute__((visibility("default"))) TS_SemanticError_clone(uint32_t
 	return ret_conv;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_SemanticError_no_payment_hash() {
+	uint32_t ret_conv = LDKSemanticError_to_js(SemanticError_no_payment_hash());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SemanticError_multiple_payment_hashes() {
+	uint32_t ret_conv = LDKSemanticError_to_js(SemanticError_multiple_payment_hashes());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SemanticError_no_description() {
+	uint32_t ret_conv = LDKSemanticError_to_js(SemanticError_no_description());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SemanticError_multiple_descriptions() {
+	uint32_t ret_conv = LDKSemanticError_to_js(SemanticError_multiple_descriptions());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SemanticError_multiple_payment_secrets() {
+	uint32_t ret_conv = LDKSemanticError_to_js(SemanticError_multiple_payment_secrets());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SemanticError_invalid_features() {
+	uint32_t ret_conv = LDKSemanticError_to_js(SemanticError_invalid_features());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SemanticError_invalid_recovery_id() {
+	uint32_t ret_conv = LDKSemanticError_to_js(SemanticError_invalid_recovery_id());
+	return ret_conv;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SemanticError_invalid_signature() {
+	uint32_t ret_conv = LDKSemanticError_to_js(SemanticError_invalid_signature());
+	return ret_conv;
+}
+
 jboolean  __attribute__((visibility("default"))) TS_SemanticError_eq(uint32_t a, uint32_t b) {
 	LDKSemanticError* a_conv = (LDKSemanticError*)(a & ~1);
 	LDKSemanticError* b_conv = (LDKSemanticError*)(b & ~1);
@@ -23196,6 +24021,7 @@ jstring  __attribute__((visibility("default"))) TS_SemanticError_to_str(uint32_t
 	LDKSemanticError* o_conv = (LDKSemanticError*)(o & ~1);
 	LDKStr ret_str = SemanticError_to_str(o_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -23214,6 +24040,21 @@ uint32_t  __attribute__((visibility("default"))) TS_SignOrCreationError_clone(ui
 	return ret_ref;
 }
 
+uint32_t  __attribute__((visibility("default"))) TS_SignOrCreationError_sign_error() {
+	LDKSignOrCreationError *ret_copy = MALLOC(sizeof(LDKSignOrCreationError), "LDKSignOrCreationError");
+	*ret_copy = SignOrCreationError_sign_error();
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
+uint32_t  __attribute__((visibility("default"))) TS_SignOrCreationError_creation_error(uint32_t a) {
+	LDKCreationError a_conv = LDKCreationError_from_js(a);
+	LDKSignOrCreationError *ret_copy = MALLOC(sizeof(LDKSignOrCreationError), "LDKSignOrCreationError");
+	*ret_copy = SignOrCreationError_creation_error(a_conv);
+	uint64_t ret_ref = (uint64_t)ret_copy;
+	return ret_ref;
+}
+
 jboolean  __attribute__((visibility("default"))) TS_SignOrCreationError_eq(uint32_t a, uint32_t b) {
 	LDKSignOrCreationError* a_conv = (LDKSignOrCreationError*)a;
 	LDKSignOrCreationError* b_conv = (LDKSignOrCreationError*)b;
@@ -23225,6 +24066,7 @@ jstring  __attribute__((visibility("default"))) TS_SignOrCreationError_to_str(ui
 	LDKSignOrCreationError* o_conv = (LDKSignOrCreationError*)o;
 	LDKStr ret_str = SignOrCreationError_to_str(o_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -23268,6 +24110,7 @@ jstring  __attribute__((visibility("default"))) TS_Invoice_to_str(uint32_t o) {
 	o_conv.is_owned = false;
 	LDKStr ret_str = Invoice_to_str(&o_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -23277,6 +24120,7 @@ jstring  __attribute__((visibility("default"))) TS_SignedRawInvoice_to_str(uint3
 	o_conv.is_owned = false;
 	LDKStr ret_str = SignedRawInvoice_to_str(&o_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -23284,6 +24128,7 @@ jstring  __attribute__((visibility("default"))) TS_Currency_to_str(uint32_t o) {
 	LDKCurrency* o_conv = (LDKCurrency*)(o & ~1);
 	LDKStr ret_str = Currency_to_str(o_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
@@ -23291,6 +24136,7 @@ jstring  __attribute__((visibility("default"))) TS_SiPrefix_to_str(uint32_t o) {
 	LDKSiPrefix* o_conv = (LDKSiPrefix*)(o & ~1);
 	LDKStr ret_str = SiPrefix_to_str(o_conv);
 	jstring ret_conv = str_ref_to_ts(ret_str.chars, ret_str.len);
+	Str_free(ret_str);
 	return ret_conv;
 }
 
diff --git a/ts/bindings.ts b/ts/bindings.ts
index 055daec0..615aad46 100644
--- a/ts/bindings.ts
+++ b/ts/bindings.ts
@@ -152,6 +152,22 @@ public static native long new_empty_slice_vec();
 */
 
 	public static native long LDKCVec_u8Z_new(number[] elems);
+	// struct LDKCVec_u8Z TxOut_get_script_pubkey (struct LDKTxOut* thing)
+	export function TxOut_get_script_pubkey(thing: number): Uint8Array {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.TxOut_get_script_pubkey(thing);
+		return decodeArray(nativeResponseValue);
+	}
+	// uint64_t TxOut_get_value (struct LDKTxOut* thing)
+	export function TxOut_get_value(thing: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.TxOut_get_value(thing);
+		return nativeResponseValue;
+	}
 	public static native boolean LDKCResult_SecretKeyErrorZ_result_ok(long arg);
 	public static native Uint8Array LDKCResult_SecretKeyErrorZ_get_ok(long arg);
 	public static native Secp256k1Error LDKCResult_SecretKeyErrorZ_get_err(long arg);
@@ -1870,6 +1886,14 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.Transaction_free(encodeArray(_res));
 		// debug statements here
 	}
+	// struct LDKTxOut TxOut_new(struct LDKCVec_u8Z script_pubkey, uint64_t value);
+	export function TxOut_new(script_pubkey: Uint8Array, value: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.TxOut_new(encodeArray(script_pubkey), value);
+		return nativeResponseValue;
+	}
 	// void TxOut_free(struct LDKTxOut _res);
 	export function TxOut_free(_res: number): void {
 		if(!isWasmInitialized) {
@@ -5726,6 +5750,54 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.Event_clone(orig);
 		return nativeResponseValue;
 	}
+	// struct LDKEvent Event_funding_generation_ready(struct LDKThirtyTwoBytes temporary_channel_id, uint64_t channel_value_satoshis, struct LDKCVec_u8Z output_script, uint64_t user_channel_id);
+	export function Event_funding_generation_ready(temporary_channel_id: Uint8Array, channel_value_satoshis: number, output_script: Uint8Array, user_channel_id: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.Event_funding_generation_ready(encodeArray(temporary_channel_id), channel_value_satoshis, encodeArray(output_script), user_channel_id);
+		return nativeResponseValue;
+	}
+	// struct LDKEvent Event_payment_received(struct LDKThirtyTwoBytes payment_hash, struct LDKThirtyTwoBytes payment_preimage, struct LDKThirtyTwoBytes payment_secret, uint64_t amt, uint64_t user_payment_id);
+	export function Event_payment_received(payment_hash: Uint8Array, payment_preimage: Uint8Array, payment_secret: Uint8Array, amt: number, user_payment_id: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.Event_payment_received(encodeArray(payment_hash), encodeArray(payment_preimage), encodeArray(payment_secret), amt, user_payment_id);
+		return nativeResponseValue;
+	}
+	// struct LDKEvent Event_payment_sent(struct LDKThirtyTwoBytes payment_preimage);
+	export function Event_payment_sent(payment_preimage: Uint8Array): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.Event_payment_sent(encodeArray(payment_preimage));
+		return nativeResponseValue;
+	}
+	// struct LDKEvent Event_payment_failed(struct LDKThirtyTwoBytes payment_hash, bool rejected_by_dest);
+	export function Event_payment_failed(payment_hash: Uint8Array, rejected_by_dest: boolean): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.Event_payment_failed(encodeArray(payment_hash), rejected_by_dest);
+		return nativeResponseValue;
+	}
+	// struct LDKEvent Event_pending_htlcs_forwardable(uint64_t time_forwardable);
+	export function Event_pending_htlcs_forwardable(time_forwardable: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.Event_pending_htlcs_forwardable(time_forwardable);
+		return nativeResponseValue;
+	}
+	// struct LDKEvent Event_spendable_outputs(struct LDKCVec_SpendableOutputDescriptorZ outputs);
+	export function Event_spendable_outputs(outputs: number[]): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.Event_spendable_outputs(outputs);
+		return nativeResponseValue;
+	}
 	// struct LDKCVec_u8Z Event_write(const struct LDKEvent *NONNULL_PTR obj);
 	export function Event_write(obj: number): Uint8Array {
 		if(!isWasmInitialized) {
@@ -5750,6 +5822,166 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.MessageSendEvent_clone(orig);
 		return nativeResponseValue;
 	}
+	// struct LDKMessageSendEvent MessageSendEvent_send_accept_channel(struct LDKPublicKey node_id, struct LDKAcceptChannel msg);
+	export function MessageSendEvent_send_accept_channel(node_id: Uint8Array, msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_send_accept_channel(encodeArray(node_id), msg);
+		return nativeResponseValue;
+	}
+	// struct LDKMessageSendEvent MessageSendEvent_send_open_channel(struct LDKPublicKey node_id, struct LDKOpenChannel msg);
+	export function MessageSendEvent_send_open_channel(node_id: Uint8Array, msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_send_open_channel(encodeArray(node_id), msg);
+		return nativeResponseValue;
+	}
+	// struct LDKMessageSendEvent MessageSendEvent_send_funding_created(struct LDKPublicKey node_id, struct LDKFundingCreated msg);
+	export function MessageSendEvent_send_funding_created(node_id: Uint8Array, msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_send_funding_created(encodeArray(node_id), msg);
+		return nativeResponseValue;
+	}
+	// struct LDKMessageSendEvent MessageSendEvent_send_funding_signed(struct LDKPublicKey node_id, struct LDKFundingSigned msg);
+	export function MessageSendEvent_send_funding_signed(node_id: Uint8Array, msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_send_funding_signed(encodeArray(node_id), msg);
+		return nativeResponseValue;
+	}
+	// struct LDKMessageSendEvent MessageSendEvent_send_funding_locked(struct LDKPublicKey node_id, struct LDKFundingLocked msg);
+	export function MessageSendEvent_send_funding_locked(node_id: Uint8Array, msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_send_funding_locked(encodeArray(node_id), msg);
+		return nativeResponseValue;
+	}
+	// struct LDKMessageSendEvent MessageSendEvent_send_announcement_signatures(struct LDKPublicKey node_id, struct LDKAnnouncementSignatures msg);
+	export function MessageSendEvent_send_announcement_signatures(node_id: Uint8Array, msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_send_announcement_signatures(encodeArray(node_id), msg);
+		return nativeResponseValue;
+	}
+	// struct LDKMessageSendEvent MessageSendEvent_update_htlcs(struct LDKPublicKey node_id, struct LDKCommitmentUpdate updates);
+	export function MessageSendEvent_update_htlcs(node_id: Uint8Array, updates: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_update_htlcs(encodeArray(node_id), updates);
+		return nativeResponseValue;
+	}
+	// struct LDKMessageSendEvent MessageSendEvent_send_revoke_and_ack(struct LDKPublicKey node_id, struct LDKRevokeAndACK msg);
+	export function MessageSendEvent_send_revoke_and_ack(node_id: Uint8Array, msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_send_revoke_and_ack(encodeArray(node_id), msg);
+		return nativeResponseValue;
+	}
+	// struct LDKMessageSendEvent MessageSendEvent_send_closing_signed(struct LDKPublicKey node_id, struct LDKClosingSigned msg);
+	export function MessageSendEvent_send_closing_signed(node_id: Uint8Array, msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_send_closing_signed(encodeArray(node_id), msg);
+		return nativeResponseValue;
+	}
+	// struct LDKMessageSendEvent MessageSendEvent_send_shutdown(struct LDKPublicKey node_id, struct LDKShutdown msg);
+	export function MessageSendEvent_send_shutdown(node_id: Uint8Array, msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_send_shutdown(encodeArray(node_id), msg);
+		return nativeResponseValue;
+	}
+	// struct LDKMessageSendEvent MessageSendEvent_send_channel_reestablish(struct LDKPublicKey node_id, struct LDKChannelReestablish msg);
+	export function MessageSendEvent_send_channel_reestablish(node_id: Uint8Array, msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_send_channel_reestablish(encodeArray(node_id), msg);
+		return nativeResponseValue;
+	}
+	// struct LDKMessageSendEvent MessageSendEvent_broadcast_channel_announcement(struct LDKChannelAnnouncement msg, struct LDKChannelUpdate update_msg);
+	export function MessageSendEvent_broadcast_channel_announcement(msg: number, update_msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_broadcast_channel_announcement(msg, update_msg);
+		return nativeResponseValue;
+	}
+	// struct LDKMessageSendEvent MessageSendEvent_broadcast_node_announcement(struct LDKNodeAnnouncement msg);
+	export function MessageSendEvent_broadcast_node_announcement(msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_broadcast_node_announcement(msg);
+		return nativeResponseValue;
+	}
+	// struct LDKMessageSendEvent MessageSendEvent_broadcast_channel_update(struct LDKChannelUpdate msg);
+	export function MessageSendEvent_broadcast_channel_update(msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_broadcast_channel_update(msg);
+		return nativeResponseValue;
+	}
+	// struct LDKMessageSendEvent MessageSendEvent_send_channel_update(struct LDKPublicKey node_id, struct LDKChannelUpdate msg);
+	export function MessageSendEvent_send_channel_update(node_id: Uint8Array, msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_send_channel_update(encodeArray(node_id), msg);
+		return nativeResponseValue;
+	}
+	// struct LDKMessageSendEvent MessageSendEvent_handle_error(struct LDKPublicKey node_id, struct LDKErrorAction action);
+	export function MessageSendEvent_handle_error(node_id: Uint8Array, action: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_handle_error(encodeArray(node_id), action);
+		return nativeResponseValue;
+	}
+	// struct LDKMessageSendEvent MessageSendEvent_payment_failure_network_update(struct LDKHTLCFailChannelUpdate update);
+	export function MessageSendEvent_payment_failure_network_update(update: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_payment_failure_network_update(update);
+		return nativeResponseValue;
+	}
+	// struct LDKMessageSendEvent MessageSendEvent_send_channel_range_query(struct LDKPublicKey node_id, struct LDKQueryChannelRange msg);
+	export function MessageSendEvent_send_channel_range_query(node_id: Uint8Array, msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_send_channel_range_query(encodeArray(node_id), msg);
+		return nativeResponseValue;
+	}
+	// struct LDKMessageSendEvent MessageSendEvent_send_short_ids_query(struct LDKPublicKey node_id, struct LDKQueryShortChannelIds msg);
+	export function MessageSendEvent_send_short_ids_query(node_id: Uint8Array, msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_send_short_ids_query(encodeArray(node_id), msg);
+		return nativeResponseValue;
+	}
+	// struct LDKMessageSendEvent MessageSendEvent_send_reply_channel_range(struct LDKPublicKey node_id, struct LDKReplyChannelRange msg);
+	export function MessageSendEvent_send_reply_channel_range(node_id: Uint8Array, msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MessageSendEvent_send_reply_channel_range(encodeArray(node_id), msg);
+		return nativeResponseValue;
+	}
 	// void MessageSendEventsProvider_free(struct LDKMessageSendEventsProvider this_ptr);
 	export function MessageSendEventsProvider_free(this_ptr: number): void {
 		if(!isWasmInitialized) {
@@ -5790,6 +6022,46 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.APIError_clone(orig);
 		return nativeResponseValue;
 	}
+	// struct LDKAPIError APIError_apimisuse_error(struct LDKStr err);
+	export function APIError_apimisuse_error(err: String): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.APIError_apimisuse_error(err);
+		return nativeResponseValue;
+	}
+	// struct LDKAPIError APIError_fee_rate_too_high(struct LDKStr err, uint32_t feerate);
+	export function APIError_fee_rate_too_high(err: String, feerate: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.APIError_fee_rate_too_high(err, feerate);
+		return nativeResponseValue;
+	}
+	// struct LDKAPIError APIError_route_error(struct LDKStr err);
+	export function APIError_route_error(err: String): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.APIError_route_error(err);
+		return nativeResponseValue;
+	}
+	// struct LDKAPIError APIError_channel_unavailable(struct LDKStr err);
+	export function APIError_channel_unavailable(err: String): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.APIError_channel_unavailable(err);
+		return nativeResponseValue;
+	}
+	// struct LDKAPIError APIError_monitor_update_failed(void);
+	export function APIError_monitor_update_failed(): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.APIError_monitor_update_failed();
+		return nativeResponseValue;
+	}
 	// struct LDKCResult_StringErrorZ sign(struct LDKu8slice msg, const uint8_t (*sk)[32]);
 	export function sign(msg: Uint8Array, sk: Uint8Array): number {
 		if(!isWasmInitialized) {
@@ -5822,6 +6094,46 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.Level_clone(orig);
 		return nativeResponseValue;
 	}
+	// enum LDKLevel Level_trace(void);
+	export function Level_trace(): Level {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.Level_trace();
+		return nativeResponseValue;
+	}
+	// enum LDKLevel Level_debug(void);
+	export function Level_debug(): Level {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.Level_debug();
+		return nativeResponseValue;
+	}
+	// enum LDKLevel Level_info(void);
+	export function Level_info(): Level {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.Level_info();
+		return nativeResponseValue;
+	}
+	// enum LDKLevel Level_warn(void);
+	export function Level_warn(): Level {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.Level_warn();
+		return nativeResponseValue;
+	}
+	// enum LDKLevel Level_error(void);
+	export function Level_error(): Level {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.Level_error();
+		return nativeResponseValue;
+	}
 	// bool Level_eq(const enum LDKLevel *NONNULL_PTR a, const enum LDKLevel *NONNULL_PTR b);
 	export function Level_eq(a: number, b: number): boolean {
 		if(!isWasmInitialized) {
@@ -6374,6 +6686,22 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.AccessError_clone(orig);
 		return nativeResponseValue;
 	}
+	// enum LDKAccessError AccessError_unknown_chain(void);
+	export function AccessError_unknown_chain(): AccessError {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.AccessError_unknown_chain();
+		return nativeResponseValue;
+	}
+	// enum LDKAccessError AccessError_unknown_tx(void);
+	export function AccessError_unknown_tx(): AccessError {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.AccessError_unknown_tx();
+		return nativeResponseValue;
+	}
 	// void Access_free(struct LDKAccess this_ptr);
 	export function Access_free(this_ptr: number): void {
 		if(!isWasmInitialized) {
@@ -6510,6 +6838,30 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.ConfirmationTarget_clone(orig);
 		return nativeResponseValue;
 	}
+	// enum LDKConfirmationTarget ConfirmationTarget_background(void);
+	export function ConfirmationTarget_background(): ConfirmationTarget {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.ConfirmationTarget_background();
+		return nativeResponseValue;
+	}
+	// enum LDKConfirmationTarget ConfirmationTarget_normal(void);
+	export function ConfirmationTarget_normal(): ConfirmationTarget {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.ConfirmationTarget_normal();
+		return nativeResponseValue;
+	}
+	// enum LDKConfirmationTarget ConfirmationTarget_high_priority(void);
+	export function ConfirmationTarget_high_priority(): ConfirmationTarget {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.ConfirmationTarget_high_priority();
+		return nativeResponseValue;
+	}
 	// void FeeEstimator_free(struct LDKFeeEstimator this_ptr);
 	export function FeeEstimator_free(this_ptr: number): void {
 		if(!isWasmInitialized) {
@@ -6622,6 +6974,22 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.ChannelMonitorUpdateErr_clone(orig);
 		return nativeResponseValue;
 	}
+	// enum LDKChannelMonitorUpdateErr ChannelMonitorUpdateErr_temporary_failure(void);
+	export function ChannelMonitorUpdateErr_temporary_failure(): ChannelMonitorUpdateErr {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.ChannelMonitorUpdateErr_temporary_failure();
+		return nativeResponseValue;
+	}
+	// enum LDKChannelMonitorUpdateErr ChannelMonitorUpdateErr_permanent_failure(void);
+	export function ChannelMonitorUpdateErr_permanent_failure(): ChannelMonitorUpdateErr {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.ChannelMonitorUpdateErr_permanent_failure();
+		return nativeResponseValue;
+	}
 	// void MonitorUpdateError_free(struct LDKMonitorUpdateError this_obj);
 	export function MonitorUpdateError_free(this_obj: number): void {
 		if(!isWasmInitialized) {
@@ -6654,6 +7022,22 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.MonitorEvent_clone(orig);
 		return nativeResponseValue;
 	}
+	// struct LDKMonitorEvent MonitorEvent_htlcevent(struct LDKHTLCUpdate a);
+	export function MonitorEvent_htlcevent(a: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MonitorEvent_htlcevent(a);
+		return nativeResponseValue;
+	}
+	// struct LDKMonitorEvent MonitorEvent_commitment_tx_broadcasted(struct LDKOutPoint a);
+	export function MonitorEvent_commitment_tx_broadcasted(a: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.MonitorEvent_commitment_tx_broadcasted(a);
+		return nativeResponseValue;
+	}
 	// void HTLCUpdate_free(struct LDKHTLCUpdate this_obj);
 	export function HTLCUpdate_free(this_obj: number): void {
 		if(!isWasmInitialized) {
@@ -7198,6 +7582,30 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.SpendableOutputDescriptor_clone(orig);
 		return nativeResponseValue;
 	}
+	// struct LDKSpendableOutputDescriptor SpendableOutputDescriptor_static_output(struct LDKOutPoint outpoint, struct LDKTxOut output);
+	export function SpendableOutputDescriptor_static_output(outpoint: number, output: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.SpendableOutputDescriptor_static_output(outpoint, output);
+		return nativeResponseValue;
+	}
+	// struct LDKSpendableOutputDescriptor SpendableOutputDescriptor_delayed_payment_output(struct LDKDelayedPaymentOutputDescriptor a);
+	export function SpendableOutputDescriptor_delayed_payment_output(a: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.SpendableOutputDescriptor_delayed_payment_output(a);
+		return nativeResponseValue;
+	}
+	// struct LDKSpendableOutputDescriptor SpendableOutputDescriptor_static_payment_output(struct LDKStaticPaymentOutputDescriptor a);
+	export function SpendableOutputDescriptor_static_payment_output(a: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.SpendableOutputDescriptor_static_payment_output(a);
+		return nativeResponseValue;
+	}
 	// struct LDKCVec_u8Z SpendableOutputDescriptor_write(const struct LDKSpendableOutputDescriptor *NONNULL_PTR obj);
 	export function SpendableOutputDescriptor_write(obj: number): Uint8Array {
 		if(!isWasmInitialized) {
@@ -7910,6 +8318,38 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.PaymentSendFailure_clone(orig);
 		return nativeResponseValue;
 	}
+	// struct LDKPaymentSendFailure PaymentSendFailure_parameter_error(struct LDKAPIError a);
+	export function PaymentSendFailure_parameter_error(a: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.PaymentSendFailure_parameter_error(a);
+		return nativeResponseValue;
+	}
+	// struct LDKPaymentSendFailure PaymentSendFailure_path_parameter_error(struct LDKCVec_CResult_NoneAPIErrorZZ a);
+	export function PaymentSendFailure_path_parameter_error(a: number[]): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.PaymentSendFailure_path_parameter_error(a);
+		return nativeResponseValue;
+	}
+	// struct LDKPaymentSendFailure PaymentSendFailure_all_failed_retry_safe(struct LDKCVec_APIErrorZ a);
+	export function PaymentSendFailure_all_failed_retry_safe(a: number[]): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.PaymentSendFailure_all_failed_retry_safe(a);
+		return nativeResponseValue;
+	}
+	// struct LDKPaymentSendFailure PaymentSendFailure_partial_failure(struct LDKCVec_CResult_NoneAPIErrorZZ a);
+	export function PaymentSendFailure_partial_failure(a: number[]): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.PaymentSendFailure_partial_failure(a);
+		return nativeResponseValue;
+	}
 	// MUST_USE_RES struct LDKChannelManager ChannelManager_new(struct LDKFeeEstimator fee_est, struct LDKWatch chain_monitor, struct LDKBroadcasterInterface tx_broadcaster, struct LDKLogger logger, struct LDKKeysInterface keys_manager, struct LDKUserConfig config, struct LDKChainParameters params);
 	export function ChannelManager_new(fee_est: number, chain_monitor: number, tx_broadcaster: number, logger: number, keys_manager: number, config: number, params: number): number {
 		if(!isWasmInitialized) {
@@ -10030,6 +10470,38 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.NetAddress_clone(orig);
 		return nativeResponseValue;
 	}
+	// struct LDKNetAddress NetAddress_ipv4(struct LDKFourBytes addr, uint16_t port);
+	export function NetAddress_ipv4(addr: Uint8Array, port: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.NetAddress_ipv4(encodeArray(addr), port);
+		return nativeResponseValue;
+	}
+	// struct LDKNetAddress NetAddress_ipv6(struct LDKSixteenBytes addr, uint16_t port);
+	export function NetAddress_ipv6(addr: Uint8Array, port: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.NetAddress_ipv6(encodeArray(addr), port);
+		return nativeResponseValue;
+	}
+	// struct LDKNetAddress NetAddress_onion_v2(struct LDKTenBytes addr, uint16_t port);
+	export function NetAddress_onion_v2(addr: Uint8Array, port: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.NetAddress_onion_v2(encodeArray(addr), port);
+		return nativeResponseValue;
+	}
+	// struct LDKNetAddress NetAddress_onion_v3(struct LDKThirtyTwoBytes ed25519_pubkey, uint16_t checksum, uint8_t version, uint16_t port);
+	export function NetAddress_onion_v3(ed25519_pubkey: Uint8Array, checksum: number, version: number, port: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.NetAddress_onion_v3(encodeArray(ed25519_pubkey), checksum, version, port);
+		return nativeResponseValue;
+	}
 	// struct LDKCVec_u8Z NetAddress_write(const struct LDKNetAddress *NONNULL_PTR obj);
 	export function NetAddress_write(obj: number): Uint8Array {
 		if(!isWasmInitialized) {
@@ -11006,6 +11478,38 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.ErrorAction_clone(orig);
 		return nativeResponseValue;
 	}
+	// struct LDKErrorAction ErrorAction_disconnect_peer(struct LDKErrorMessage msg);
+	export function ErrorAction_disconnect_peer(msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.ErrorAction_disconnect_peer(msg);
+		return nativeResponseValue;
+	}
+	// struct LDKErrorAction ErrorAction_ignore_error(void);
+	export function ErrorAction_ignore_error(): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.ErrorAction_ignore_error();
+		return nativeResponseValue;
+	}
+	// struct LDKErrorAction ErrorAction_ignore_and_log(enum LDKLevel a);
+	export function ErrorAction_ignore_and_log(a: Level): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.ErrorAction_ignore_and_log(a);
+		return nativeResponseValue;
+	}
+	// struct LDKErrorAction ErrorAction_send_error_message(struct LDKErrorMessage msg);
+	export function ErrorAction_send_error_message(msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.ErrorAction_send_error_message(msg);
+		return nativeResponseValue;
+	}
 	// void LightningError_free(struct LDKLightningError this_obj);
 	export function LightningError_free(this_obj: number): void {
 		if(!isWasmInitialized) {
@@ -11166,6 +11670,30 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.HTLCFailChannelUpdate_clone(orig);
 		return nativeResponseValue;
 	}
+	// struct LDKHTLCFailChannelUpdate HTLCFailChannelUpdate_channel_update_message(struct LDKChannelUpdate msg);
+	export function HTLCFailChannelUpdate_channel_update_message(msg: number): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.HTLCFailChannelUpdate_channel_update_message(msg);
+		return nativeResponseValue;
+	}
+	// struct LDKHTLCFailChannelUpdate HTLCFailChannelUpdate_channel_closed(uint64_t short_channel_id, bool is_permanent);
+	export function HTLCFailChannelUpdate_channel_closed(short_channel_id: number, is_permanent: boolean): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.HTLCFailChannelUpdate_channel_closed(short_channel_id, is_permanent);
+		return nativeResponseValue;
+	}
+	// struct LDKHTLCFailChannelUpdate HTLCFailChannelUpdate_node_failure(struct LDKPublicKey node_id, bool is_permanent);
+	export function HTLCFailChannelUpdate_node_failure(node_id: Uint8Array, is_permanent: boolean): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.HTLCFailChannelUpdate_node_failure(encodeArray(node_id), is_permanent);
+		return nativeResponseValue;
+	}
 	// void ChannelMessageHandler_free(struct LDKChannelMessageHandler this_ptr);
 	export function ChannelMessageHandler_free(this_ptr: number): void {
 		if(!isWasmInitialized) {
@@ -14534,6 +15062,38 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.SiPrefix_clone(orig);
 		return nativeResponseValue;
 	}
+	// enum LDKSiPrefix SiPrefix_milli(void);
+	export function SiPrefix_milli(): SiPrefix {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.SiPrefix_milli();
+		return nativeResponseValue;
+	}
+	// enum LDKSiPrefix SiPrefix_micro(void);
+	export function SiPrefix_micro(): SiPrefix {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.SiPrefix_micro();
+		return nativeResponseValue;
+	}
+	// enum LDKSiPrefix SiPrefix_nano(void);
+	export function SiPrefix_nano(): SiPrefix {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.SiPrefix_nano();
+		return nativeResponseValue;
+	}
+	// enum LDKSiPrefix SiPrefix_pico(void);
+	export function SiPrefix_pico(): SiPrefix {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.SiPrefix_pico();
+		return nativeResponseValue;
+	}
 	// bool SiPrefix_eq(const enum LDKSiPrefix *NONNULL_PTR a, const enum LDKSiPrefix *NONNULL_PTR b);
 	export function SiPrefix_eq(a: number, b: number): boolean {
 		if(!isWasmInitialized) {
@@ -14558,6 +15118,46 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.Currency_clone(orig);
 		return nativeResponseValue;
 	}
+	// enum LDKCurrency Currency_bitcoin(void);
+	export function Currency_bitcoin(): Currency {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.Currency_bitcoin();
+		return nativeResponseValue;
+	}
+	// enum LDKCurrency Currency_bitcoin_testnet(void);
+	export function Currency_bitcoin_testnet(): Currency {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.Currency_bitcoin_testnet();
+		return nativeResponseValue;
+	}
+	// enum LDKCurrency Currency_regtest(void);
+	export function Currency_regtest(): Currency {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.Currency_regtest();
+		return nativeResponseValue;
+	}
+	// enum LDKCurrency Currency_simnet(void);
+	export function Currency_simnet(): Currency {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.Currency_simnet();
+		return nativeResponseValue;
+	}
+	// enum LDKCurrency Currency_signet(void);
+	export function Currency_signet(): Currency {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.Currency_signet();
+		return nativeResponseValue;
+	}
 	// bool Currency_eq(const enum LDKCurrency *NONNULL_PTR a, const enum LDKCurrency *NONNULL_PTR b);
 	export function Currency_eq(a: number, b: number): boolean {
 		if(!isWasmInitialized) {
@@ -14702,6 +15302,30 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.Fallback_clone(orig);
 		return nativeResponseValue;
 	}
+	// struct LDKFallback Fallback_seg_wit_program(struct LDKu5 version, struct LDKCVec_u8Z program);
+	export function Fallback_seg_wit_program(version: number, program: Uint8Array): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.Fallback_seg_wit_program(version, encodeArray(program));
+		return nativeResponseValue;
+	}
+	// struct LDKFallback Fallback_pub_key_hash(struct LDKTwentyBytes a);
+	export function Fallback_pub_key_hash(a: Uint8Array): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.Fallback_pub_key_hash(encodeArray(a));
+		return nativeResponseValue;
+	}
+	// struct LDKFallback Fallback_script_hash(struct LDKTwentyBytes a);
+	export function Fallback_script_hash(a: Uint8Array): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.Fallback_script_hash(encodeArray(a));
+		return nativeResponseValue;
+	}
 	// bool Fallback_eq(const struct LDKFallback *NONNULL_PTR a, const struct LDKFallback *NONNULL_PTR b);
 	export function Fallback_eq(a: number, b: number): boolean {
 		if(!isWasmInitialized) {
@@ -15126,6 +15750,38 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.CreationError_clone(orig);
 		return nativeResponseValue;
 	}
+	// enum LDKCreationError CreationError_description_too_long(void);
+	export function CreationError_description_too_long(): CreationError {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.CreationError_description_too_long();
+		return nativeResponseValue;
+	}
+	// enum LDKCreationError CreationError_route_too_long(void);
+	export function CreationError_route_too_long(): CreationError {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.CreationError_route_too_long();
+		return nativeResponseValue;
+	}
+	// enum LDKCreationError CreationError_timestamp_out_of_bounds(void);
+	export function CreationError_timestamp_out_of_bounds(): CreationError {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.CreationError_timestamp_out_of_bounds();
+		return nativeResponseValue;
+	}
+	// enum LDKCreationError CreationError_expiry_time_out_of_bounds(void);
+	export function CreationError_expiry_time_out_of_bounds(): CreationError {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.CreationError_expiry_time_out_of_bounds();
+		return nativeResponseValue;
+	}
 	// bool CreationError_eq(const enum LDKCreationError *NONNULL_PTR a, const enum LDKCreationError *NONNULL_PTR b);
 	export function CreationError_eq(a: number, b: number): boolean {
 		if(!isWasmInitialized) {
@@ -15150,6 +15806,70 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.SemanticError_clone(orig);
 		return nativeResponseValue;
 	}
+	// enum LDKSemanticError SemanticError_no_payment_hash(void);
+	export function SemanticError_no_payment_hash(): SemanticError {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.SemanticError_no_payment_hash();
+		return nativeResponseValue;
+	}
+	// enum LDKSemanticError SemanticError_multiple_payment_hashes(void);
+	export function SemanticError_multiple_payment_hashes(): SemanticError {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.SemanticError_multiple_payment_hashes();
+		return nativeResponseValue;
+	}
+	// enum LDKSemanticError SemanticError_no_description(void);
+	export function SemanticError_no_description(): SemanticError {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.SemanticError_no_description();
+		return nativeResponseValue;
+	}
+	// enum LDKSemanticError SemanticError_multiple_descriptions(void);
+	export function SemanticError_multiple_descriptions(): SemanticError {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.SemanticError_multiple_descriptions();
+		return nativeResponseValue;
+	}
+	// enum LDKSemanticError SemanticError_multiple_payment_secrets(void);
+	export function SemanticError_multiple_payment_secrets(): SemanticError {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.SemanticError_multiple_payment_secrets();
+		return nativeResponseValue;
+	}
+	// enum LDKSemanticError SemanticError_invalid_features(void);
+	export function SemanticError_invalid_features(): SemanticError {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.SemanticError_invalid_features();
+		return nativeResponseValue;
+	}
+	// enum LDKSemanticError SemanticError_invalid_recovery_id(void);
+	export function SemanticError_invalid_recovery_id(): SemanticError {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.SemanticError_invalid_recovery_id();
+		return nativeResponseValue;
+	}
+	// enum LDKSemanticError SemanticError_invalid_signature(void);
+	export function SemanticError_invalid_signature(): SemanticError {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.SemanticError_invalid_signature();
+		return nativeResponseValue;
+	}
 	// bool SemanticError_eq(const enum LDKSemanticError *NONNULL_PTR a, const enum LDKSemanticError *NONNULL_PTR b);
 	export function SemanticError_eq(a: number, b: number): boolean {
 		if(!isWasmInitialized) {
@@ -15182,6 +15902,22 @@ public static native long new_empty_slice_vec();
 		const nativeResponseValue = wasm.SignOrCreationError_clone(orig);
 		return nativeResponseValue;
 	}
+	// struct LDKSignOrCreationError SignOrCreationError_sign_error(void);
+	export function SignOrCreationError_sign_error(): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.SignOrCreationError_sign_error();
+		return nativeResponseValue;
+	}
+	// struct LDKSignOrCreationError SignOrCreationError_creation_error(enum LDKCreationError a);
+	export function SignOrCreationError_creation_error(a: CreationError): number {
+		if(!isWasmInitialized) {
+			throw new Error("initializeWasm() must be awaited first!");
+		}
+		const nativeResponseValue = wasm.SignOrCreationError_creation_error(a);
+		return nativeResponseValue;
+	}
 	// bool SignOrCreationError_eq(const struct LDKSignOrCreationError *NONNULL_PTR a, const struct LDKSignOrCreationError *NONNULL_PTR b);
 	export function SignOrCreationError_eq(a: number, b: number): boolean {
 		if(!isWasmInitialized) {
diff --git a/ts/structs/APIError.ts b/ts/structs/APIError.ts
index 86c7a8f1..02a1ddbf 100644
--- a/ts/structs/APIError.ts
+++ b/ts/structs/APIError.ts
@@ -71,4 +71,39 @@ export class MonitorUpdateFailed extends APIError {
 		return ret_hu_conv;
 	}
 
+	public static APIError constructor_apimisuse_error(String err) {
+		number ret = bindings.APIError_apimisuse_error(err);
+		APIError ret_hu_conv = APIError.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static APIError constructor_fee_rate_too_high(String err, number feerate) {
+		number ret = bindings.APIError_fee_rate_too_high(err, feerate);
+		APIError ret_hu_conv = APIError.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static APIError constructor_route_error(String err) {
+		number ret = bindings.APIError_route_error(err);
+		APIError ret_hu_conv = APIError.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static APIError constructor_channel_unavailable(String err) {
+		number ret = bindings.APIError_channel_unavailable(err);
+		APIError ret_hu_conv = APIError.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static APIError constructor_monitor_update_failed() {
+		number ret = bindings.APIError_monitor_update_failed();
+		APIError ret_hu_conv = APIError.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
 }
diff --git a/ts/structs/ChannelManager.ts b/ts/structs/ChannelManager.ts
index 86590bfc..9d9eeffa 100644
--- a/ts/structs/ChannelManager.ts
+++ b/ts/structs/ChannelManager.ts
@@ -100,7 +100,7 @@ import * as bindings from '../bindings' // TODO: figure out location
 	}
 
 	public void broadcast_node_announcement(Uint8Array rgb, Uint8Array alias, NetAddress[] addresses) {
-		bindings.ChannelManager_broadcast_node_announcement(this.ptr, rgb, alias, Arrays.stream(addresses).map(addresses_conv_12 -> addresses_conv_12.ptr).toArray(number[]::new));
+		bindings.ChannelManager_broadcast_node_announcement(this.ptr, rgb, alias, addresses != null ? Arrays.stream(addresses).map(addresses_conv_12 -> addresses_conv_12.ptr).toArray(number[]::new) : null);
 		/* TODO 2 NetAddress  */;
 	}
 
diff --git a/ts/structs/ChannelManagerReadArgs.ts b/ts/structs/ChannelManagerReadArgs.ts
index 596df3a8..772c721e 100644
--- a/ts/structs/ChannelManagerReadArgs.ts
+++ b/ts/structs/ChannelManagerReadArgs.ts
@@ -91,7 +91,7 @@ import * as bindings from '../bindings' // TODO: figure out location
 	}
 
 	public static ChannelManagerReadArgs constructor_new(KeysInterface keys_manager, FeeEstimator fee_estimator, Watch chain_monitor, BroadcasterInterface tx_broadcaster, Logger logger, UserConfig default_config, ChannelMonitor[] channel_monitors) {
-		number ret = bindings.ChannelManagerReadArgs_new(keys_manager == null ? 0 : keys_manager.ptr, fee_estimator == null ? 0 : fee_estimator.ptr, chain_monitor == null ? 0 : chain_monitor.ptr, tx_broadcaster == null ? 0 : tx_broadcaster.ptr, logger == null ? 0 : logger.ptr, default_config == null ? 0 : default_config.ptr & ~1, Arrays.stream(channel_monitors).map(channel_monitors_conv_16 -> channel_monitors_conv_16 == null ? 0 : channel_monitors_conv_16.ptr & ~1).toArray(number[]::new));
+		number ret = bindings.ChannelManagerReadArgs_new(keys_manager == null ? 0 : keys_manager.ptr, fee_estimator == null ? 0 : fee_estimator.ptr, chain_monitor == null ? 0 : chain_monitor.ptr, tx_broadcaster == null ? 0 : tx_broadcaster.ptr, logger == null ? 0 : logger.ptr, default_config == null ? 0 : default_config.ptr & ~1, channel_monitors != null ? Arrays.stream(channel_monitors).map(channel_monitors_conv_16 -> channel_monitors_conv_16 == null ? 0 : channel_monitors_conv_16.ptr & ~1).toArray(number[]::new) : null);
 		const ret_hu_conv: ChannelManagerReadArgs = new ChannelManagerReadArgs(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(keys_manager);
diff --git a/ts/structs/ChannelMonitor.ts b/ts/structs/ChannelMonitor.ts
index a937362b..2d3cac7c 100644
--- a/ts/structs/ChannelMonitor.ts
+++ b/ts/structs/ChannelMonitor.ts
@@ -118,7 +118,7 @@ import * as bindings from '../bindings' // TODO: figure out location
 	}
 
 	public TwoTuple<Uint8Array, TwoTuple<Number, TxOut>[]>[] block_connected(Uint8Array header, TwoTuple<Number, Uint8Array>[] txdata, number height, BroadcasterInterface broadcaster, FeeEstimator fee_estimator, Logger logger) {
-		number[] ret = bindings.ChannelMonitor_block_connected(this.ptr, header, Arrays.stream(txdata).map(txdata_conv_30 -> bindings.C2Tuple_usizeTransactionZ_new(txdata_conv_30.a, txdata_conv_30.b)).toArray(number[]::new), height, broadcaster == null ? 0 : broadcaster.ptr, fee_estimator == null ? 0 : fee_estimator.ptr, logger == null ? 0 : logger.ptr);
+		number[] ret = bindings.ChannelMonitor_block_connected(this.ptr, header, txdata != null ? Arrays.stream(txdata).map(txdata_conv_30 -> bindings.C2Tuple_usizeTransactionZ_new(txdata_conv_30.a, txdata_conv_30.b)).toArray(number[]::new) : null, height, broadcaster == null ? 0 : broadcaster.ptr, fee_estimator == null ? 0 : fee_estimator.ptr, logger == null ? 0 : logger.ptr);
 		TwoTuple<Uint8Array, TwoTuple<Number, TxOut>[]>[] ret_conv_49_arr = new TwoTuple[ret.length];
 		for (int x = 0; x < ret.length; x++) {
 			number ret_conv_49 = ret[x];
@@ -155,7 +155,7 @@ import * as bindings from '../bindings' // TODO: figure out location
 	}
 
 	public TwoTuple<Uint8Array, TwoTuple<Number, TxOut>[]>[] transactions_confirmed(Uint8Array header, TwoTuple<Number, Uint8Array>[] txdata, number height, BroadcasterInterface broadcaster, FeeEstimator fee_estimator, Logger logger) {
-		number[] ret = bindings.ChannelMonitor_transactions_confirmed(this.ptr, header, Arrays.stream(txdata).map(txdata_conv_30 -> bindings.C2Tuple_usizeTransactionZ_new(txdata_conv_30.a, txdata_conv_30.b)).toArray(number[]::new), height, broadcaster == null ? 0 : broadcaster.ptr, fee_estimator == null ? 0 : fee_estimator.ptr, logger == null ? 0 : logger.ptr);
+		number[] ret = bindings.ChannelMonitor_transactions_confirmed(this.ptr, header, txdata != null ? Arrays.stream(txdata).map(txdata_conv_30 -> bindings.C2Tuple_usizeTransactionZ_new(txdata_conv_30.a, txdata_conv_30.b)).toArray(number[]::new) : null, height, broadcaster == null ? 0 : broadcaster.ptr, fee_estimator == null ? 0 : fee_estimator.ptr, logger == null ? 0 : logger.ptr);
 		TwoTuple<Uint8Array, TwoTuple<Number, TxOut>[]>[] ret_conv_49_arr = new TwoTuple[ret.length];
 		for (int x = 0; x < ret.length; x++) {
 			number ret_conv_49 = ret[x];
diff --git a/ts/structs/CommitmentUpdate.ts b/ts/structs/CommitmentUpdate.ts
index 39aed69e..9117bc23 100644
--- a/ts/structs/CommitmentUpdate.ts
+++ b/ts/structs/CommitmentUpdate.ts
@@ -19,22 +19,22 @@ import * as bindings from '../bindings' // TODO: figure out location
                     }
                 }
 	public void set_update_add_htlcs(UpdateAddHTLC[] val) {
-		bindings.CommitmentUpdate_set_update_add_htlcs(this.ptr, Arrays.stream(val).map(val_conv_15 -> val_conv_15 == null ? 0 : val_conv_15.ptr & ~1).toArray(number[]::new));
+		bindings.CommitmentUpdate_set_update_add_htlcs(this.ptr, val != null ? Arrays.stream(val).map(val_conv_15 -> val_conv_15 == null ? 0 : val_conv_15.ptr & ~1).toArray(number[]::new) : null);
 		/* TODO 2 UpdateAddHTLC  */;
 	}
 
 	public void set_update_fulfill_htlcs(UpdateFulfillHTLC[] val) {
-		bindings.CommitmentUpdate_set_update_fulfill_htlcs(this.ptr, Arrays.stream(val).map(val_conv_19 -> val_conv_19 == null ? 0 : val_conv_19.ptr & ~1).toArray(number[]::new));
+		bindings.CommitmentUpdate_set_update_fulfill_htlcs(this.ptr, val != null ? Arrays.stream(val).map(val_conv_19 -> val_conv_19 == null ? 0 : val_conv_19.ptr & ~1).toArray(number[]::new) : null);
 		/* TODO 2 UpdateFulfillHTLC  */;
 	}
 
 	public void set_update_fail_htlcs(UpdateFailHTLC[] val) {
-		bindings.CommitmentUpdate_set_update_fail_htlcs(this.ptr, Arrays.stream(val).map(val_conv_16 -> val_conv_16 == null ? 0 : val_conv_16.ptr & ~1).toArray(number[]::new));
+		bindings.CommitmentUpdate_set_update_fail_htlcs(this.ptr, val != null ? Arrays.stream(val).map(val_conv_16 -> val_conv_16 == null ? 0 : val_conv_16.ptr & ~1).toArray(number[]::new) : null);
 		/* TODO 2 UpdateFailHTLC  */;
 	}
 
 	public void set_update_fail_malformed_htlcs(UpdateFailMalformedHTLC[] val) {
-		bindings.CommitmentUpdate_set_update_fail_malformed_htlcs(this.ptr, Arrays.stream(val).map(val_conv_25 -> val_conv_25 == null ? 0 : val_conv_25.ptr & ~1).toArray(number[]::new));
+		bindings.CommitmentUpdate_set_update_fail_malformed_htlcs(this.ptr, val != null ? Arrays.stream(val).map(val_conv_25 -> val_conv_25 == null ? 0 : val_conv_25.ptr & ~1).toArray(number[]::new) : null);
 		/* TODO 2 UpdateFailMalformedHTLC  */;
 	}
 
@@ -63,7 +63,7 @@ import * as bindings from '../bindings' // TODO: figure out location
 	}
 
 	public static CommitmentUpdate constructor_new(UpdateAddHTLC[] update_add_htlcs_arg, UpdateFulfillHTLC[] update_fulfill_htlcs_arg, UpdateFailHTLC[] update_fail_htlcs_arg, UpdateFailMalformedHTLC[] update_fail_malformed_htlcs_arg, UpdateFee update_fee_arg, CommitmentSigned commitment_signed_arg) {
-		number ret = bindings.CommitmentUpdate_new(Arrays.stream(update_add_htlcs_arg).map(update_add_htlcs_arg_conv_15 -> update_add_htlcs_arg_conv_15 == null ? 0 : update_add_htlcs_arg_conv_15.ptr & ~1).toArray(number[]::new), Arrays.stream(update_fulfill_htlcs_arg).map(update_fulfill_htlcs_arg_conv_19 -> update_fulfill_htlcs_arg_conv_19 == null ? 0 : update_fulfill_htlcs_arg_conv_19.ptr & ~1).toArray(number[]::new), Arrays.stream(update_fail_htlcs_arg).map(update_fail_htlcs_arg_conv_16 -> update_fail_htlcs_arg_conv_16 == null ? 0 : update_fail_htlcs_arg_conv_16.ptr & ~1).toArray(number[]::new), Arrays.stream(update_fail_malformed_htlcs_arg).map(update_fail_malformed_htlcs_arg_conv_25 -> update_fail_malformed_htlcs_arg_conv_25 == null ? 0 : update_fail_malformed_htlcs_arg_conv_25.ptr & ~1).toArray(number[]::new), update_fee_arg == null ? 0 : update_fee_arg.ptr & ~1, commitment_signed_arg == null ? 0 : commitment_signed_arg.ptr & ~1);
+		number ret = bindings.CommitmentUpdate_new(update_add_htlcs_arg != null ? Arrays.stream(update_add_htlcs_arg).map(update_add_htlcs_arg_conv_15 -> update_add_htlcs_arg_conv_15 == null ? 0 : update_add_htlcs_arg_conv_15.ptr & ~1).toArray(number[]::new) : null, update_fulfill_htlcs_arg != null ? Arrays.stream(update_fulfill_htlcs_arg).map(update_fulfill_htlcs_arg_conv_19 -> update_fulfill_htlcs_arg_conv_19 == null ? 0 : update_fulfill_htlcs_arg_conv_19.ptr & ~1).toArray(number[]::new) : null, update_fail_htlcs_arg != null ? Arrays.stream(update_fail_htlcs_arg).map(update_fail_htlcs_arg_conv_16 -> update_fail_htlcs_arg_conv_16 == null ? 0 : update_fail_htlcs_arg_conv_16.ptr & ~1).toArray(number[]::new) : null, update_fail_malformed_htlcs_arg != null ? Arrays.stream(update_fail_malformed_htlcs_arg).map(update_fail_malformed_htlcs_arg_conv_25 -> update_fail_malformed_htlcs_arg_conv_25 == null ? 0 : update_fail_malformed_htlcs_arg_conv_25.ptr & ~1).toArray(number[]::new) : null, update_fee_arg == null ? 0 : update_fee_arg.ptr & ~1, commitment_signed_arg == null ? 0 : commitment_signed_arg.ptr & ~1);
 		const ret_hu_conv: CommitmentUpdate = new CommitmentUpdate(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		/* TODO 2 UpdateAddHTLC  */;
diff --git a/ts/structs/Confirm.ts b/ts/structs/Confirm.ts
index 26d0a182..ce8f5083 100644
--- a/ts/structs/Confirm.ts
+++ b/ts/structs/Confirm.ts
@@ -77,7 +77,7 @@ import * as bindings from '../bindings' // TODO: figure out location
                 held: Confirm;
             }
 	public void transactions_confirmed(Uint8Array header, TwoTuple<Number, Uint8Array>[] txdata, number height) {
-		bindings.Confirm_transactions_confirmed(this.ptr, header, Arrays.stream(txdata).map(txdata_conv_30 -> bindings.C2Tuple_usizeTransactionZ_new(txdata_conv_30.a, txdata_conv_30.b)).toArray(number[]::new), height);
+		bindings.Confirm_transactions_confirmed(this.ptr, header, txdata != null ? Arrays.stream(txdata).map(txdata_conv_30 -> bindings.C2Tuple_usizeTransactionZ_new(txdata_conv_30.a, txdata_conv_30.b)).toArray(number[]::new) : null, height);
 		/* TODO 2 TwoTuple<Number, Uint8Array>  */;
 	}
 
diff --git a/ts/structs/ErrorAction.ts b/ts/structs/ErrorAction.ts
index 09faa349..6bcb7749 100644
--- a/ts/structs/ErrorAction.ts
+++ b/ts/structs/ErrorAction.ts
@@ -65,4 +65,34 @@ export class SendErrorMessage extends ErrorAction {
 		return ret_hu_conv;
 	}
 
+	public static ErrorAction constructor_disconnect_peer(ErrorMessage msg) {
+		number ret = bindings.ErrorAction_disconnect_peer(msg == null ? 0 : msg.ptr & ~1);
+		ErrorAction ret_hu_conv = ErrorAction.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	public static ErrorAction constructor_ignore_error() {
+		number ret = bindings.ErrorAction_ignore_error();
+		ErrorAction ret_hu_conv = ErrorAction.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static ErrorAction constructor_ignore_and_log(Level a) {
+		number ret = bindings.ErrorAction_ignore_and_log(a);
+		ErrorAction ret_hu_conv = ErrorAction.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static ErrorAction constructor_send_error_message(ErrorMessage msg) {
+		number ret = bindings.ErrorAction_send_error_message(msg == null ? 0 : msg.ptr & ~1);
+		ErrorAction ret_hu_conv = ErrorAction.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
 }
diff --git a/ts/structs/Event.ts b/ts/structs/Event.ts
index 1dabb5ee..2590433d 100644
--- a/ts/structs/Event.ts
+++ b/ts/structs/Event.ts
@@ -105,6 +105,49 @@ export class SpendableOutputs extends Event {
 		return ret_hu_conv;
 	}
 
+	public static Event constructor_funding_generation_ready(Uint8Array temporary_channel_id, number channel_value_satoshis, Uint8Array output_script, number user_channel_id) {
+		number ret = bindings.Event_funding_generation_ready(temporary_channel_id, channel_value_satoshis, output_script, user_channel_id);
+		Event ret_hu_conv = Event.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static Event constructor_payment_received(Uint8Array payment_hash, Uint8Array payment_preimage, Uint8Array payment_secret, number amt, number user_payment_id) {
+		number ret = bindings.Event_payment_received(payment_hash, payment_preimage, payment_secret, amt, user_payment_id);
+		Event ret_hu_conv = Event.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static Event constructor_payment_sent(Uint8Array payment_preimage) {
+		number ret = bindings.Event_payment_sent(payment_preimage);
+		Event ret_hu_conv = Event.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static Event constructor_payment_failed(Uint8Array payment_hash, boolean rejected_by_dest) {
+		number ret = bindings.Event_payment_failed(payment_hash, rejected_by_dest);
+		Event ret_hu_conv = Event.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static Event constructor_pending_htlcs_forwardable(number time_forwardable) {
+		number ret = bindings.Event_pending_htlcs_forwardable(time_forwardable);
+		Event ret_hu_conv = Event.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static Event constructor_spendable_outputs(SpendableOutputDescriptor[] outputs) {
+		number ret = bindings.Event_spendable_outputs(outputs != null ? Arrays.stream(outputs).map(outputs_conv_27 -> outputs_conv_27.ptr).toArray(number[]::new) : null);
+		Event ret_hu_conv = Event.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		/* TODO 2 SpendableOutputDescriptor  */;
+		return ret_hu_conv;
+	}
+
 	public Uint8Array write() {
 		Uint8Array ret = bindings.Event_write(this.ptr);
 		return ret;
diff --git a/ts/structs/Fallback.ts b/ts/structs/Fallback.ts
index 433603f3..637597a3 100644
--- a/ts/structs/Fallback.ts
+++ b/ts/structs/Fallback.ts
@@ -55,6 +55,27 @@ export class ScriptHash extends Fallback {
 		return ret_hu_conv;
 	}
 
+	public static Fallback constructor_seg_wit_program(UInt5 version, Uint8Array program) {
+		number ret = bindings.Fallback_seg_wit_program(version.getVal(), program);
+		Fallback ret_hu_conv = Fallback.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static Fallback constructor_pub_key_hash(Uint8Array a) {
+		number ret = bindings.Fallback_pub_key_hash(a);
+		Fallback ret_hu_conv = Fallback.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static Fallback constructor_script_hash(Uint8Array a) {
+		number ret = bindings.Fallback_script_hash(a);
+		Fallback ret_hu_conv = Fallback.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
 	public boolean eq(Fallback b) {
 		boolean ret = bindings.Fallback_eq(this.ptr, b == null ? 0 : b.ptr & ~1);
 		this.ptrs_to.add(b);
diff --git a/ts/structs/HTLCFailChannelUpdate.ts b/ts/structs/HTLCFailChannelUpdate.ts
index b89c1462..dd5ac447 100644
--- a/ts/structs/HTLCFailChannelUpdate.ts
+++ b/ts/structs/HTLCFailChannelUpdate.ts
@@ -58,4 +58,26 @@ export class NodeFailure extends HTLCFailChannelUpdate {
 		return ret_hu_conv;
 	}
 
+	public static HTLCFailChannelUpdate constructor_channel_update_message(ChannelUpdate msg) {
+		number ret = bindings.HTLCFailChannelUpdate_channel_update_message(msg == null ? 0 : msg.ptr & ~1);
+		HTLCFailChannelUpdate ret_hu_conv = HTLCFailChannelUpdate.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	public static HTLCFailChannelUpdate constructor_channel_closed(number short_channel_id, boolean is_permanent) {
+		number ret = bindings.HTLCFailChannelUpdate_channel_closed(short_channel_id, is_permanent);
+		HTLCFailChannelUpdate ret_hu_conv = HTLCFailChannelUpdate.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static HTLCFailChannelUpdate constructor_node_failure(Uint8Array node_id, boolean is_permanent) {
+		number ret = bindings.HTLCFailChannelUpdate_node_failure(node_id, is_permanent);
+		HTLCFailChannelUpdate ret_hu_conv = HTLCFailChannelUpdate.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
 }
diff --git a/ts/structs/KeysManager.ts b/ts/structs/KeysManager.ts
index c444e1f8..a21a9a9e 100644
--- a/ts/structs/KeysManager.ts
+++ b/ts/structs/KeysManager.ts
@@ -33,7 +33,7 @@ import * as bindings from '../bindings' // TODO: figure out location
 	}
 
 	public Result_TransactionNoneZ spend_spendable_outputs(SpendableOutputDescriptor[] descriptors, TxOut[] outputs, Uint8Array change_destination_script, number feerate_sat_per_1000_weight) {
-		number ret = bindings.KeysManager_spend_spendable_outputs(this.ptr, Arrays.stream(descriptors).map(descriptors_conv_27 -> descriptors_conv_27.ptr).toArray(number[]::new), Arrays.stream(outputs).map(outputs_conv_7 -> outputs_conv_7.ptr).toArray(number[]::new), change_destination_script, feerate_sat_per_1000_weight);
+		number ret = bindings.KeysManager_spend_spendable_outputs(this.ptr, descriptors != null ? Arrays.stream(descriptors).map(descriptors_conv_27 -> descriptors_conv_27.ptr).toArray(number[]::new) : null, outputs != null ? Arrays.stream(outputs).map(outputs_conv_7 -> outputs_conv_7.ptr).toArray(number[]::new) : null, change_destination_script, feerate_sat_per_1000_weight);
 		Result_TransactionNoneZ ret_hu_conv = Result_TransactionNoneZ.constr_from_ptr(ret);
 		/* TODO 2 SpendableOutputDescriptor  */;
 		/* TODO 2 TxOut  */;
diff --git a/ts/structs/MessageSendEvent.ts b/ts/structs/MessageSendEvent.ts
index b5b708c1..608d7965 100644
--- a/ts/structs/MessageSendEvent.ts
+++ b/ts/structs/MessageSendEvent.ts
@@ -318,4 +318,163 @@ export class SendReplyChannelRange extends MessageSendEvent {
 		return ret_hu_conv;
 	}
 
+	public static MessageSendEvent constructor_send_accept_channel(Uint8Array node_id, AcceptChannel msg) {
+		number ret = bindings.MessageSendEvent_send_accept_channel(node_id, msg == null ? 0 : msg.ptr & ~1);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	public static MessageSendEvent constructor_send_open_channel(Uint8Array node_id, OpenChannel msg) {
+		number ret = bindings.MessageSendEvent_send_open_channel(node_id, msg == null ? 0 : msg.ptr & ~1);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	public static MessageSendEvent constructor_send_funding_created(Uint8Array node_id, FundingCreated msg) {
+		number ret = bindings.MessageSendEvent_send_funding_created(node_id, msg == null ? 0 : msg.ptr & ~1);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	public static MessageSendEvent constructor_send_funding_signed(Uint8Array node_id, FundingSigned msg) {
+		number ret = bindings.MessageSendEvent_send_funding_signed(node_id, msg == null ? 0 : msg.ptr & ~1);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	public static MessageSendEvent constructor_send_funding_locked(Uint8Array node_id, FundingLocked msg) {
+		number ret = bindings.MessageSendEvent_send_funding_locked(node_id, msg == null ? 0 : msg.ptr & ~1);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	public static MessageSendEvent constructor_send_announcement_signatures(Uint8Array node_id, AnnouncementSignatures msg) {
+		number ret = bindings.MessageSendEvent_send_announcement_signatures(node_id, msg == null ? 0 : msg.ptr & ~1);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	public static MessageSendEvent constructor_update_htlcs(Uint8Array node_id, CommitmentUpdate updates) {
+		number ret = bindings.MessageSendEvent_update_htlcs(node_id, updates == null ? 0 : updates.ptr & ~1);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(updates);
+		return ret_hu_conv;
+	}
+
+	public static MessageSendEvent constructor_send_revoke_and_ack(Uint8Array node_id, RevokeAndACK msg) {
+		number ret = bindings.MessageSendEvent_send_revoke_and_ack(node_id, msg == null ? 0 : msg.ptr & ~1);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	public static MessageSendEvent constructor_send_closing_signed(Uint8Array node_id, ClosingSigned msg) {
+		number ret = bindings.MessageSendEvent_send_closing_signed(node_id, msg == null ? 0 : msg.ptr & ~1);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	public static MessageSendEvent constructor_send_shutdown(Uint8Array node_id, Shutdown msg) {
+		number ret = bindings.MessageSendEvent_send_shutdown(node_id, msg == null ? 0 : msg.ptr & ~1);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	public static MessageSendEvent constructor_send_channel_reestablish(Uint8Array node_id, ChannelReestablish msg) {
+		number ret = bindings.MessageSendEvent_send_channel_reestablish(node_id, msg == null ? 0 : msg.ptr & ~1);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	public static MessageSendEvent constructor_broadcast_channel_announcement(ChannelAnnouncement msg, ChannelUpdate update_msg) {
+		number ret = bindings.MessageSendEvent_broadcast_channel_announcement(msg == null ? 0 : msg.ptr & ~1, update_msg == null ? 0 : update_msg.ptr & ~1);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		ret_hu_conv.ptrs_to.add(update_msg);
+		return ret_hu_conv;
+	}
+
+	public static MessageSendEvent constructor_broadcast_node_announcement(NodeAnnouncement msg) {
+		number ret = bindings.MessageSendEvent_broadcast_node_announcement(msg == null ? 0 : msg.ptr & ~1);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	public static MessageSendEvent constructor_broadcast_channel_update(ChannelUpdate msg) {
+		number ret = bindings.MessageSendEvent_broadcast_channel_update(msg == null ? 0 : msg.ptr & ~1);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	public static MessageSendEvent constructor_send_channel_update(Uint8Array node_id, ChannelUpdate msg) {
+		number ret = bindings.MessageSendEvent_send_channel_update(node_id, msg == null ? 0 : msg.ptr & ~1);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	public static MessageSendEvent constructor_handle_error(Uint8Array node_id, ErrorAction action) {
+		number ret = bindings.MessageSendEvent_handle_error(node_id, action.ptr);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static MessageSendEvent constructor_payment_failure_network_update(HTLCFailChannelUpdate update) {
+		number ret = bindings.MessageSendEvent_payment_failure_network_update(update.ptr);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static MessageSendEvent constructor_send_channel_range_query(Uint8Array node_id, QueryChannelRange msg) {
+		number ret = bindings.MessageSendEvent_send_channel_range_query(node_id, msg == null ? 0 : msg.ptr & ~1);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	public static MessageSendEvent constructor_send_short_ids_query(Uint8Array node_id, QueryShortChannelIds msg) {
+		number ret = bindings.MessageSendEvent_send_short_ids_query(node_id, msg == null ? 0 : msg.ptr & ~1);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
+	public static MessageSendEvent constructor_send_reply_channel_range(Uint8Array node_id, ReplyChannelRange msg) {
+		number ret = bindings.MessageSendEvent_send_reply_channel_range(node_id, msg == null ? 0 : msg.ptr & ~1);
+		MessageSendEvent ret_hu_conv = MessageSendEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(msg);
+		return ret_hu_conv;
+	}
+
 }
diff --git a/ts/structs/MessageSendEventsProvider.ts b/ts/structs/MessageSendEventsProvider.ts
index 6b218bb1..711f0749 100644
--- a/ts/structs/MessageSendEventsProvider.ts
+++ b/ts/structs/MessageSendEventsProvider.ts
@@ -34,7 +34,7 @@ import * as bindings from '../bindings' // TODO: figure out location
                         // todo: in-line interface filling
                         get_and_clear_pending_msg_events (): number[] {
 							MessageSendEvent[] ret = arg.get_and_clear_pending_msg_events();
-				result: number[] = Arrays.stream(ret).map(ret_conv_18 -> ret_conv_18.ptr).toArray(number[]::new);
+				result: number[] = ret != null ? Arrays.stream(ret).map(ret_conv_18 -> ret_conv_18.ptr).toArray(number[]::new) : null;
 				/* TODO 2 MessageSendEvent  */;
 				return result;
 						},
diff --git a/ts/structs/MonitorEvent.ts b/ts/structs/MonitorEvent.ts
index e226f96e..49b729e0 100644
--- a/ts/structs/MonitorEvent.ts
+++ b/ts/structs/MonitorEvent.ts
@@ -47,4 +47,20 @@ export class CommitmentTxBroadcasted extends MonitorEvent {
 		return ret_hu_conv;
 	}
 
+	public static MonitorEvent constructor_htlcevent(HTLCUpdate a) {
+		number ret = bindings.MonitorEvent_htlcevent(a == null ? 0 : a.ptr & ~1);
+		MonitorEvent ret_hu_conv = MonitorEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(a);
+		return ret_hu_conv;
+	}
+
+	public static MonitorEvent constructor_commitment_tx_broadcasted(OutPoint a) {
+		number ret = bindings.MonitorEvent_commitment_tx_broadcasted(a == null ? 0 : a.ptr & ~1);
+		MonitorEvent ret_hu_conv = MonitorEvent.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(a);
+		return ret_hu_conv;
+	}
+
 }
diff --git a/ts/structs/NetAddress.ts b/ts/structs/NetAddress.ts
index b1d54a17..0c93f092 100644
--- a/ts/structs/NetAddress.ts
+++ b/ts/structs/NetAddress.ts
@@ -73,6 +73,34 @@ export class OnionV3 extends NetAddress {
 		return ret_hu_conv;
 	}
 
+	public static NetAddress constructor_ipv4(Uint8Array addr, number port) {
+		number ret = bindings.NetAddress_ipv4(addr, port);
+		NetAddress ret_hu_conv = NetAddress.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static NetAddress constructor_ipv6(Uint8Array addr, number port) {
+		number ret = bindings.NetAddress_ipv6(addr, port);
+		NetAddress ret_hu_conv = NetAddress.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static NetAddress constructor_onion_v2(Uint8Array addr, number port) {
+		number ret = bindings.NetAddress_onion_v2(addr, port);
+		NetAddress ret_hu_conv = NetAddress.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static NetAddress constructor_onion_v3(Uint8Array ed25519_pubkey, number checksum, number version, number port) {
+		number ret = bindings.NetAddress_onion_v3(ed25519_pubkey, checksum, version, port);
+		NetAddress ret_hu_conv = NetAddress.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
 	public Uint8Array write() {
 		Uint8Array ret = bindings.NetAddress_write(this.ptr);
 		return ret;
diff --git a/ts/structs/NodeAnnouncementInfo.ts b/ts/structs/NodeAnnouncementInfo.ts
index ff71ce14..940ca656 100644
--- a/ts/structs/NodeAnnouncementInfo.ts
+++ b/ts/structs/NodeAnnouncementInfo.ts
@@ -58,7 +58,7 @@ import * as bindings from '../bindings' // TODO: figure out location
 	}
 
 	public void set_addresses(NetAddress[] val) {
-		bindings.NodeAnnouncementInfo_set_addresses(this.ptr, Arrays.stream(val).map(val_conv_12 -> val_conv_12.ptr).toArray(number[]::new));
+		bindings.NodeAnnouncementInfo_set_addresses(this.ptr, val != null ? Arrays.stream(val).map(val_conv_12 -> val_conv_12.ptr).toArray(number[]::new) : null);
 		/* TODO 2 NetAddress  */;
 	}
 
@@ -75,7 +75,7 @@ import * as bindings from '../bindings' // TODO: figure out location
 	}
 
 	public static NodeAnnouncementInfo constructor_new(NodeFeatures features_arg, number last_update_arg, Uint8Array rgb_arg, Uint8Array alias_arg, NetAddress[] addresses_arg, NodeAnnouncement announcement_message_arg) {
-		number ret = bindings.NodeAnnouncementInfo_new(features_arg == null ? 0 : features_arg.ptr & ~1, last_update_arg, rgb_arg, alias_arg, Arrays.stream(addresses_arg).map(addresses_arg_conv_12 -> addresses_arg_conv_12.ptr).toArray(number[]::new), announcement_message_arg == null ? 0 : announcement_message_arg.ptr & ~1);
+		number ret = bindings.NodeAnnouncementInfo_new(features_arg == null ? 0 : features_arg.ptr & ~1, last_update_arg, rgb_arg, alias_arg, addresses_arg != null ? Arrays.stream(addresses_arg).map(addresses_arg_conv_12 -> addresses_arg_conv_12.ptr).toArray(number[]::new) : null, announcement_message_arg == null ? 0 : announcement_message_arg.ptr & ~1);
 		const ret_hu_conv: NodeAnnouncementInfo = new NodeAnnouncementInfo(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(features_arg);
diff --git a/ts/structs/PaymentSendFailure.ts b/ts/structs/PaymentSendFailure.ts
index 36daa4ec..803aace9 100644
--- a/ts/structs/PaymentSendFailure.ts
+++ b/ts/structs/PaymentSendFailure.ts
@@ -86,4 +86,35 @@ export class PartialFailure extends PaymentSendFailure {
 		return ret_hu_conv;
 	}
 
+	public static PaymentSendFailure constructor_parameter_error(APIError a) {
+		number ret = bindings.PaymentSendFailure_parameter_error(a.ptr);
+		PaymentSendFailure ret_hu_conv = PaymentSendFailure.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static PaymentSendFailure constructor_path_parameter_error(Result_NoneAPIErrorZ[] a) {
+		number ret = bindings.PaymentSendFailure_path_parameter_error(a != null ? Arrays.stream(a).map(a_conv_22 -> a_conv_22 != null ? a_conv_22.ptr : 0).toArray(number[]::new) : null);
+		PaymentSendFailure ret_hu_conv = PaymentSendFailure.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		/* TODO 2 Result_NoneAPIErrorZ  */;
+		return ret_hu_conv;
+	}
+
+	public static PaymentSendFailure constructor_all_failed_retry_safe(APIError[] a) {
+		number ret = bindings.PaymentSendFailure_all_failed_retry_safe(a != null ? Arrays.stream(a).map(a_conv_10 -> a_conv_10.ptr).toArray(number[]::new) : null);
+		PaymentSendFailure ret_hu_conv = PaymentSendFailure.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		/* TODO 2 APIError  */;
+		return ret_hu_conv;
+	}
+
+	public static PaymentSendFailure constructor_partial_failure(Result_NoneAPIErrorZ[] a) {
+		number ret = bindings.PaymentSendFailure_partial_failure(a != null ? Arrays.stream(a).map(a_conv_22 -> a_conv_22 != null ? a_conv_22.ptr : 0).toArray(number[]::new) : null);
+		PaymentSendFailure ret_hu_conv = PaymentSendFailure.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		/* TODO 2 Result_NoneAPIErrorZ  */;
+		return ret_hu_conv;
+	}
+
 }
diff --git a/ts/structs/Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ.ts b/ts/structs/Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ.ts
index ed3768c2..5c7ad0a5 100644
--- a/ts/structs/Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ.ts
+++ b/ts/structs/Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ.ts
@@ -46,7 +46,7 @@ public class Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ extends CommonB
 	}
 
 	public static Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ constructor__ok(TwoTuple<Uint8Array, ChannelMonitor>[] o) {
-		number ret = bindings.CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_ok(Arrays.stream(o).map(o_conv_38 -> bindings.C2Tuple_BlockHashChannelMonitorZ_new(o_conv_38.a, o_conv_38.b == null ? 0 : o_conv_38.b.ptr & ~1)).toArray(number[]::new));
+		number ret = bindings.CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_ok(o != null ? Arrays.stream(o).map(o_conv_38 -> bindings.C2Tuple_BlockHashChannelMonitorZ_new(o_conv_38.a, o_conv_38.b == null ? 0 : o_conv_38.b.ptr & ~1)).toArray(number[]::new) : null);
 		Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ ret_hu_conv = Result_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ.constr_from_ptr(ret);
 		/* TODO 2 TwoTuple<Uint8Array, ChannelMonitor>  */;
 		return ret_hu_conv;
diff --git a/ts/structs/Route.ts b/ts/structs/Route.ts
index 737c9b01..29561c2d 100644
--- a/ts/structs/Route.ts
+++ b/ts/structs/Route.ts
@@ -19,12 +19,12 @@ import * as bindings from '../bindings' // TODO: figure out location
                     }
                 }
 	public void set_paths(RouteHop[][] val) {
-		bindings.Route_set_paths(this.ptr, Arrays.stream(val).map(val_conv_12 -> Arrays.stream(val_conv_12).map(val_conv_12_conv_10 -> val_conv_12_conv_10 == null ? 0 : val_conv_12_conv_10.ptr & ~1).toArray(number[]::new)).toArray(number[][]::new));
+		bindings.Route_set_paths(this.ptr, val != null ? Arrays.stream(val).map(val_conv_12 -> val_conv_12 != null ? Arrays.stream(val_conv_12).map(val_conv_12_conv_10 -> val_conv_12_conv_10 == null ? 0 : val_conv_12_conv_10.ptr & ~1).toArray(number[]::new) : null).toArray(number[][]::new) : null);
 		/* TODO 2 RouteHop[]  */;
 	}
 
 	public static Route constructor_new(RouteHop[][] paths_arg) {
-		number ret = bindings.Route_new(Arrays.stream(paths_arg).map(paths_arg_conv_12 -> Arrays.stream(paths_arg_conv_12).map(paths_arg_conv_12_conv_10 -> paths_arg_conv_12_conv_10 == null ? 0 : paths_arg_conv_12_conv_10.ptr & ~1).toArray(number[]::new)).toArray(number[][]::new));
+		number ret = bindings.Route_new(paths_arg != null ? Arrays.stream(paths_arg).map(paths_arg_conv_12 -> paths_arg_conv_12 != null ? Arrays.stream(paths_arg_conv_12).map(paths_arg_conv_12_conv_10 -> paths_arg_conv_12_conv_10 == null ? 0 : paths_arg_conv_12_conv_10.ptr & ~1).toArray(number[]::new) : null).toArray(number[][]::new) : null);
 		const ret_hu_conv: Route = new Route(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		/* TODO 2 RouteHop[]  */;
diff --git a/ts/structs/RoutingMessageHandler.ts b/ts/structs/RoutingMessageHandler.ts
index 04d3d5f5..128294a8 100644
--- a/ts/structs/RoutingMessageHandler.ts
+++ b/ts/structs/RoutingMessageHandler.ts
@@ -61,14 +61,14 @@ import * as bindings from '../bindings' // TODO: figure out location
 
 						get_next_channel_announcements (starting_point: number, batch_amount: number): number[] {
 							ThreeTuple<ChannelAnnouncement, ChannelUpdate, ChannelUpdate>[] ret = arg.get_next_channel_announcements(starting_point, batch_amount);
-				result: number[] = Arrays.stream(ret).map(ret_conv_63 -> bindings.C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_new(ret_conv_63.a == null ? 0 : ret_conv_63.a.ptr & ~1, ret_conv_63.b == null ? 0 : ret_conv_63.b.ptr & ~1, ret_conv_63.c == null ? 0 : ret_conv_63.c.ptr & ~1)).toArray(number[]::new);
+				result: number[] = ret != null ? Arrays.stream(ret).map(ret_conv_63 -> bindings.C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_new(ret_conv_63.a == null ? 0 : ret_conv_63.a.ptr & ~1, ret_conv_63.b == null ? 0 : ret_conv_63.b.ptr & ~1, ret_conv_63.c == null ? 0 : ret_conv_63.c.ptr & ~1)).toArray(number[]::new) : null;
 				/* TODO 2 ThreeTuple<ChannelAnnouncement, ChannelUpdate, ChannelUpdate>  */;
 				return result;
 						},
 
 						get_next_node_announcements (starting_point: Uint8Array, batch_amount: number): number[] {
 							NodeAnnouncement[] ret = arg.get_next_node_announcements(starting_point, batch_amount);
-				result: number[] = Arrays.stream(ret).map(ret_conv_18 -> ret_conv_18 == null ? 0 : ret_conv_18.ptr & ~1).toArray(number[]::new);
+				result: number[] = ret != null ? Arrays.stream(ret).map(ret_conv_18 -> ret_conv_18 == null ? 0 : ret_conv_18.ptr & ~1).toArray(number[]::new) : null;
 				/* TODO 2 NodeAnnouncement  */;
 				return result;
 						},
diff --git a/ts/structs/SignOrCreationError.ts b/ts/structs/SignOrCreationError.ts
index c40ee79a..c6e5c76a 100644
--- a/ts/structs/SignOrCreationError.ts
+++ b/ts/structs/SignOrCreationError.ts
@@ -39,6 +39,20 @@ export class CreationError extends SignOrCreationError {
 		return ret_hu_conv;
 	}
 
+	public static SignOrCreationError constructor_sign_error() {
+		number ret = bindings.SignOrCreationError_sign_error();
+		SignOrCreationError ret_hu_conv = SignOrCreationError.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
+	public static SignOrCreationError constructor_creation_error(CreationError a) {
+		number ret = bindings.SignOrCreationError_creation_error(a);
+		SignOrCreationError ret_hu_conv = SignOrCreationError.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		return ret_hu_conv;
+	}
+
 	public boolean eq(SignOrCreationError b) {
 		boolean ret = bindings.SignOrCreationError_eq(this.ptr, b == null ? 0 : b.ptr & ~1);
 		this.ptrs_to.add(b);
diff --git a/ts/structs/SpendableOutputDescriptor.ts b/ts/structs/SpendableOutputDescriptor.ts
index caf6286f..33d29808 100644
--- a/ts/structs/SpendableOutputDescriptor.ts
+++ b/ts/structs/SpendableOutputDescriptor.ts
@@ -64,6 +64,30 @@ export class StaticPaymentOutput extends SpendableOutputDescriptor {
 		return ret_hu_conv;
 	}
 
+	public static SpendableOutputDescriptor constructor_static_output(OutPoint outpoint, TxOut output) {
+		number ret = bindings.SpendableOutputDescriptor_static_output(outpoint == null ? 0 : outpoint.ptr & ~1, output.ptr);
+		SpendableOutputDescriptor ret_hu_conv = SpendableOutputDescriptor.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(outpoint);
+		return ret_hu_conv;
+	}
+
+	public static SpendableOutputDescriptor constructor_delayed_payment_output(DelayedPaymentOutputDescriptor a) {
+		number ret = bindings.SpendableOutputDescriptor_delayed_payment_output(a == null ? 0 : a.ptr & ~1);
+		SpendableOutputDescriptor ret_hu_conv = SpendableOutputDescriptor.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(a);
+		return ret_hu_conv;
+	}
+
+	public static SpendableOutputDescriptor constructor_static_payment_output(StaticPaymentOutputDescriptor a) {
+		number ret = bindings.SpendableOutputDescriptor_static_payment_output(a == null ? 0 : a.ptr & ~1);
+		SpendableOutputDescriptor ret_hu_conv = SpendableOutputDescriptor.constr_from_ptr(ret);
+		ret_hu_conv.ptrs_to.add(ret_hu_conv);
+		ret_hu_conv.ptrs_to.add(a);
+		return ret_hu_conv;
+	}
+
 	public Uint8Array write() {
 		Uint8Array ret = bindings.SpendableOutputDescriptor_write(this.ptr);
 		return ret;
diff --git a/ts/structs/TxOut.ts b/ts/structs/TxOut.ts
index c0dc8c12..09969ade 100644
--- a/ts/structs/TxOut.ts
+++ b/ts/structs/TxOut.ts
@@ -3,11 +3,26 @@ import CommonBase from './CommonBase';
 import * as bindings from '../bindings' // TODO: figure out location
 
 public class TxOut extends CommonBase{
-	TxOut(java.lang.Object _dummy, long ptr) { super(ptr); }
-	long to_c_ptr() { return 0; }
+	/** The script_pubkey in this output */
+	public final byte[] script_pubkey;
+	/** The value, in satoshis, of this output */
+	public final long value;
+
+	TxOut(java.lang.Object _dummy, long ptr) {
+		super(ptr);
+		this.script_pubkey = bindings.TxOut_get_script_pubkey(ptr);
+		this.value = bindings.TxOut_get_value(ptr);
+	}
+	public TxOut(long value, byte[] script_pubkey) {
+		super(bindings.TxOut_new(script_pubkey, value));
+		this.script_pubkey = bindings.TxOut_get_script_pubkey(ptr);
+		this.value = bindings.TxOut_get_value(ptr);
+	}
+
 	@Override @SuppressWarnings("deprecation")
 	protected void finalize() throws Throwable {
 		super.finalize();
 		if (ptr != 0) { bindings.TxOut_free(ptr); }
 	}
+
 }
\ No newline at end of file
diff --git a/ts/structs/UnsignedNodeAnnouncement.ts b/ts/structs/UnsignedNodeAnnouncement.ts
index e7a35ed5..524f81b2 100644
--- a/ts/structs/UnsignedNodeAnnouncement.ts
+++ b/ts/structs/UnsignedNodeAnnouncement.ts
@@ -67,7 +67,7 @@ import * as bindings from '../bindings' // TODO: figure out location
 	}
 
 	public void set_addresses(NetAddress[] val) {
-		bindings.UnsignedNodeAnnouncement_set_addresses(this.ptr, Arrays.stream(val).map(val_conv_12 -> val_conv_12.ptr).toArray(number[]::new));
+		bindings.UnsignedNodeAnnouncement_set_addresses(this.ptr, val != null ? Arrays.stream(val).map(val_conv_12 -> val_conv_12.ptr).toArray(number[]::new) : null);
 		/* TODO 2 NetAddress  */;
 	}
 
diff --git a/ts/structs/UtilMethods.ts b/ts/structs/UtilMethods.ts
index 298df049..fa0c2d44 100644
--- a/ts/structs/UtilMethods.ts
+++ b/ts/structs/UtilMethods.ts
@@ -23,7 +23,7 @@
 	}
 
 	public static Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ constructor_BlockHashChannelManagerZ_read(Uint8Array ser, KeysInterface arg_keys_manager, FeeEstimator arg_fee_estimator, Watch arg_chain_monitor, BroadcasterInterface arg_tx_broadcaster, Logger arg_logger, UserConfig arg_default_config, ChannelMonitor[] arg_channel_monitors) {
-		number ret = bindings.C2Tuple_BlockHashChannelManagerZ_read(ser, bindings.ChannelManagerReadArgs_new(arg_keys_manager == null ? 0 : arg_keys_manager.ptr, arg_fee_estimator == null ? 0 : arg_fee_estimator.ptr, arg_chain_monitor == null ? 0 : arg_chain_monitor.ptr, arg_tx_broadcaster == null ? 0 : arg_tx_broadcaster.ptr, arg_logger == null ? 0 : arg_logger.ptr, arg_default_config == null ? 0 : arg_default_config.ptr & ~1, Arrays.stream(arg_channel_monitors).map(arg_channel_monitors_conv_16 -> arg_channel_monitors_conv_16 == null ? 0 : arg_channel_monitors_conv_16.ptr & ~1).toArray(number[]::new)));
+		number ret = bindings.C2Tuple_BlockHashChannelManagerZ_read(ser, bindings.ChannelManagerReadArgs_new(arg_keys_manager == null ? 0 : arg_keys_manager.ptr, arg_fee_estimator == null ? 0 : arg_fee_estimator.ptr, arg_chain_monitor == null ? 0 : arg_chain_monitor.ptr, arg_tx_broadcaster == null ? 0 : arg_tx_broadcaster.ptr, arg_logger == null ? 0 : arg_logger.ptr, arg_default_config == null ? 0 : arg_default_config.ptr & ~1, arg_channel_monitors != null ? Arrays.stream(arg_channel_monitors).map(arg_channel_monitors_conv_16 -> arg_channel_monitors_conv_16 == null ? 0 : arg_channel_monitors_conv_16.ptr & ~1).toArray(number[]::new) : null));
 		Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ ret_hu_conv = Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(arg_keys_manager);
 		ret_hu_conv.ptrs_to.add(arg_fee_estimator);
@@ -93,7 +93,7 @@
 	}
 
 	public static Result_RouteLightningErrorZ constructor_et_route(Uint8Array our_node_id, NetworkGraph network, Uint8Array payee, InvoiceFeatures payee_features, ChannelDetails[] first_hops, RouteHint[] last_hops, number final_value_msat, number final_cltv, Logger logger) {
-		number ret = bindings.get_route(our_node_id, network == null ? 0 : network.ptr & ~1, payee, payee_features == null ? 0 : payee_features.ptr & ~1, Arrays.stream(first_hops).map(first_hops_conv_16 -> first_hops_conv_16 == null ? 0 : first_hops_conv_16.ptr & ~1).toArray(number[]::new), Arrays.stream(last_hops).map(last_hops_conv_11 -> last_hops_conv_11 == null ? 0 : last_hops_conv_11.ptr & ~1).toArray(number[]::new), final_value_msat, final_cltv, logger == null ? 0 : logger.ptr);
+		number ret = bindings.get_route(our_node_id, network == null ? 0 : network.ptr & ~1, payee, payee_features == null ? 0 : payee_features.ptr & ~1, first_hops != null ? Arrays.stream(first_hops).map(first_hops_conv_16 -> first_hops_conv_16 == null ? 0 : first_hops_conv_16.ptr & ~1).toArray(number[]::new) : null, last_hops != null ? Arrays.stream(last_hops).map(last_hops_conv_11 -> last_hops_conv_11 == null ? 0 : last_hops_conv_11.ptr & ~1).toArray(number[]::new) : null, final_value_msat, final_cltv, logger == null ? 0 : logger.ptr);
 		Result_RouteLightningErrorZ ret_hu_conv = Result_RouteLightningErrorZ.constr_from_ptr(ret);
 		ret_hu_conv.ptrs_to.add(network);
 		ret_hu_conv.ptrs_to.add(payee_features);
diff --git a/ts/structs/Watch.ts b/ts/structs/Watch.ts
index b1a752e9..d2765e3d 100644
--- a/ts/structs/Watch.ts
+++ b/ts/structs/Watch.ts
@@ -54,7 +54,7 @@ import * as bindings from '../bindings' // TODO: figure out location
 
 						release_pending_monitor_events (): number[] {
 							MonitorEvent[] ret = arg.release_pending_monitor_events();
-				result: number[] = Arrays.stream(ret).map(ret_conv_14 -> ret_conv_14.ptr).toArray(number[]::new);
+				result: number[] = ret != null ? Arrays.stream(ret).map(ret_conv_14 -> ret_conv_14.ptr).toArray(number[]::new) : null;
 				/* TODO 2 MonitorEvent  */;
 				return result;
 						},