[Java] Update auto-generated bindings to 0.0.105.0
[ldk-java] / src / main / java / org / ldk / structs / ChannelMessageHandler.java
index 4ad07c9a7a4eeed41a31fb4dba41ec5b1aabcb79..50da70d61f8f55f3abb5d7db9832fc729f8db396 100644 (file)
@@ -4,102 +4,459 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import java.lang.ref.Reference;
+import javax.annotation.Nullable;
 
+/**
+ * A trait to describe an object which can receive channel messages.
+ * 
+ * Messages MAY be called in parallel when they originate from different their_node_ids, however
+ * they MUST NOT be called in parallel when the two calls have the same their_node_id.
+ */
 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
 public class ChannelMessageHandler extends CommonBase {
-       ChannelMessageHandler(Object _dummy, long ptr) { super(ptr); }
-       public ChannelMessageHandler(bindings.LDKChannelMessageHandler arg, bindings.LDKMessageSendEventsProvider MessageSendEventsProvider) {
+       final bindings.LDKChannelMessageHandler bindings_instance;
+       ChannelMessageHandler(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
+       private ChannelMessageHandler(bindings.LDKChannelMessageHandler arg, bindings.LDKMessageSendEventsProvider MessageSendEventsProvider) {
                super(bindings.LDKChannelMessageHandler_new(arg, MessageSendEventsProvider));
                this.ptrs_to.add(arg);
+               this.ptrs_to.add(MessageSendEventsProvider);
+               this.bindings_instance = arg;
        }
        @Override @SuppressWarnings("deprecation")
        protected void finalize() throws Throwable {
-               bindings.ChannelMessageHandler_free(ptr); super.finalize();
+               if (ptr != 0) { bindings.ChannelMessageHandler_free(ptr); } super.finalize();
        }
 
-       // Skipped ChannelMessageHandler_handle_open_channel
-       // Skipped ChannelMessageHandler_handle_accept_channel
+       public static interface ChannelMessageHandlerInterface {
+               /**
+                * Handle an incoming open_channel message from the given peer.
+                */
+               void handle_open_channel(byte[] their_node_id, InitFeatures their_features, OpenChannel msg);
+               /**
+                * Handle an incoming accept_channel message from the given peer.
+                */
+               void handle_accept_channel(byte[] their_node_id, InitFeatures their_features, AcceptChannel msg);
+               /**
+                * Handle an incoming funding_created message from the given peer.
+                */
+               void handle_funding_created(byte[] their_node_id, FundingCreated msg);
+               /**
+                * Handle an incoming funding_signed message from the given peer.
+                */
+               void handle_funding_signed(byte[] their_node_id, FundingSigned msg);
+               /**
+                * Handle an incoming funding_locked message from the given peer.
+                */
+               void handle_funding_locked(byte[] their_node_id, FundingLocked msg);
+               /**
+                * Handle an incoming shutdown message from the given peer.
+                */
+               void handle_shutdown(byte[] their_node_id, InitFeatures their_features, Shutdown msg);
+               /**
+                * Handle an incoming closing_signed message from the given peer.
+                */
+               void handle_closing_signed(byte[] their_node_id, ClosingSigned msg);
+               /**
+                * Handle an incoming update_add_htlc message from the given peer.
+                */
+               void handle_update_add_htlc(byte[] their_node_id, UpdateAddHTLC msg);
+               /**
+                * Handle an incoming update_fulfill_htlc message from the given peer.
+                */
+               void handle_update_fulfill_htlc(byte[] their_node_id, UpdateFulfillHTLC msg);
+               /**
+                * Handle an incoming update_fail_htlc message from the given peer.
+                */
+               void handle_update_fail_htlc(byte[] their_node_id, UpdateFailHTLC msg);
+               /**
+                * Handle an incoming update_fail_malformed_htlc message from the given peer.
+                */
+               void handle_update_fail_malformed_htlc(byte[] their_node_id, UpdateFailMalformedHTLC msg);
+               /**
+                * Handle an incoming commitment_signed message from the given peer.
+                */
+               void handle_commitment_signed(byte[] their_node_id, CommitmentSigned msg);
+               /**
+                * Handle an incoming revoke_and_ack message from the given peer.
+                */
+               void handle_revoke_and_ack(byte[] their_node_id, RevokeAndACK msg);
+               /**
+                * Handle an incoming update_fee message from the given peer.
+                */
+               void handle_update_fee(byte[] their_node_id, UpdateFee msg);
+               /**
+                * Handle an incoming announcement_signatures message from the given peer.
+                */
+               void handle_announcement_signatures(byte[] their_node_id, AnnouncementSignatures msg);
+               /**
+                * Indicates a connection to the peer failed/an existing connection was lost. If no connection
+                * is believed to be possible in the future (eg they're sending us messages we don't
+                * understand or indicate they require unknown feature bits), no_connection_possible is set
+                * and any outstanding channels should be failed.
+                */
+               void peer_disconnected(byte[] their_node_id, boolean no_connection_possible);
+               /**
+                * Handle a peer reconnecting, possibly generating channel_reestablish message(s).
+                */
+               void peer_connected(byte[] their_node_id, Init msg);
+               /**
+                * Handle an incoming channel_reestablish message from the given peer.
+                */
+               void handle_channel_reestablish(byte[] their_node_id, ChannelReestablish msg);
+               /**
+                * Handle an incoming channel update from the given peer.
+                */
+               void handle_channel_update(byte[] their_node_id, ChannelUpdate msg);
+               /**
+                * Handle an incoming error message from the given peer.
+                */
+               void handle_error(byte[] their_node_id, ErrorMessage msg);
+       }
+       private static class LDKChannelMessageHandlerHolder { ChannelMessageHandler held; }
+       public static ChannelMessageHandler new_impl(ChannelMessageHandlerInterface arg, MessageSendEventsProvider.MessageSendEventsProviderInterface MessageSendEventsProvider_impl) {
+               final LDKChannelMessageHandlerHolder impl_holder = new LDKChannelMessageHandlerHolder();
+               impl_holder.held = new ChannelMessageHandler(new bindings.LDKChannelMessageHandler() {
+                       @Override public void handle_open_channel(byte[] their_node_id, long their_features, long msg) {
+                               InitFeatures their_features_hu_conv = null; if (their_features < 0 || their_features > 4096) { their_features_hu_conv = new InitFeatures(null, their_features); }
+                               their_features_hu_conv.ptrs_to.add(this);
+                               OpenChannel msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new OpenChannel(null, msg); }
+                               arg.handle_open_channel(their_node_id, their_features_hu_conv, msg_hu_conv);
+                               Reference.reachabilityFence(arg);
+                       }
+                       @Override public void handle_accept_channel(byte[] their_node_id, long their_features, long msg) {
+                               InitFeatures their_features_hu_conv = null; if (their_features < 0 || their_features > 4096) { their_features_hu_conv = new InitFeatures(null, their_features); }
+                               their_features_hu_conv.ptrs_to.add(this);
+                               AcceptChannel msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new AcceptChannel(null, msg); }
+                               arg.handle_accept_channel(their_node_id, their_features_hu_conv, msg_hu_conv);
+                               Reference.reachabilityFence(arg);
+                       }
+                       @Override public void handle_funding_created(byte[] their_node_id, long msg) {
+                               FundingCreated msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new FundingCreated(null, msg); }
+                               arg.handle_funding_created(their_node_id, msg_hu_conv);
+                               Reference.reachabilityFence(arg);
+                       }
+                       @Override public void handle_funding_signed(byte[] their_node_id, long msg) {
+                               FundingSigned msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new FundingSigned(null, msg); }
+                               arg.handle_funding_signed(their_node_id, msg_hu_conv);
+                               Reference.reachabilityFence(arg);
+                       }
+                       @Override public void handle_funding_locked(byte[] their_node_id, long msg) {
+                               FundingLocked msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new FundingLocked(null, msg); }
+                               arg.handle_funding_locked(their_node_id, msg_hu_conv);
+                               Reference.reachabilityFence(arg);
+                       }
+                       @Override public void handle_shutdown(byte[] their_node_id, long their_features, long msg) {
+                               InitFeatures their_features_hu_conv = null; if (their_features < 0 || their_features > 4096) { their_features_hu_conv = new InitFeatures(null, their_features); }
+                               Shutdown msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new Shutdown(null, msg); }
+                               arg.handle_shutdown(their_node_id, their_features_hu_conv, msg_hu_conv);
+                               Reference.reachabilityFence(arg);
+                       }
+                       @Override public void handle_closing_signed(byte[] their_node_id, long msg) {
+                               ClosingSigned msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new ClosingSigned(null, msg); }
+                               arg.handle_closing_signed(their_node_id, msg_hu_conv);
+                               Reference.reachabilityFence(arg);
+                       }
+                       @Override public void handle_update_add_htlc(byte[] their_node_id, long msg) {
+                               UpdateAddHTLC msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new UpdateAddHTLC(null, msg); }
+                               arg.handle_update_add_htlc(their_node_id, msg_hu_conv);
+                               Reference.reachabilityFence(arg);
+                       }
+                       @Override public void handle_update_fulfill_htlc(byte[] their_node_id, long msg) {
+                               UpdateFulfillHTLC msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new UpdateFulfillHTLC(null, msg); }
+                               arg.handle_update_fulfill_htlc(their_node_id, msg_hu_conv);
+                               Reference.reachabilityFence(arg);
+                       }
+                       @Override public void handle_update_fail_htlc(byte[] their_node_id, long msg) {
+                               UpdateFailHTLC msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new UpdateFailHTLC(null, msg); }
+                               arg.handle_update_fail_htlc(their_node_id, msg_hu_conv);
+                               Reference.reachabilityFence(arg);
+                       }
+                       @Override public void handle_update_fail_malformed_htlc(byte[] their_node_id, long msg) {
+                               UpdateFailMalformedHTLC msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new UpdateFailMalformedHTLC(null, msg); }
+                               arg.handle_update_fail_malformed_htlc(their_node_id, msg_hu_conv);
+                               Reference.reachabilityFence(arg);
+                       }
+                       @Override public void handle_commitment_signed(byte[] their_node_id, long msg) {
+                               CommitmentSigned msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new CommitmentSigned(null, msg); }
+                               arg.handle_commitment_signed(their_node_id, msg_hu_conv);
+                               Reference.reachabilityFence(arg);
+                       }
+                       @Override public void handle_revoke_and_ack(byte[] their_node_id, long msg) {
+                               RevokeAndACK msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new RevokeAndACK(null, msg); }
+                               arg.handle_revoke_and_ack(their_node_id, msg_hu_conv);
+                               Reference.reachabilityFence(arg);
+                       }
+                       @Override public void handle_update_fee(byte[] their_node_id, long msg) {
+                               UpdateFee msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new UpdateFee(null, msg); }
+                               arg.handle_update_fee(their_node_id, msg_hu_conv);
+                               Reference.reachabilityFence(arg);
+                       }
+                       @Override public void handle_announcement_signatures(byte[] their_node_id, long msg) {
+                               AnnouncementSignatures msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new AnnouncementSignatures(null, msg); }
+                               arg.handle_announcement_signatures(their_node_id, msg_hu_conv);
+                               Reference.reachabilityFence(arg);
+                       }
+                       @Override public void peer_disconnected(byte[] their_node_id, boolean no_connection_possible) {
+                               arg.peer_disconnected(their_node_id, no_connection_possible);
+                               Reference.reachabilityFence(arg);
+                       }
+                       @Override public void peer_connected(byte[] their_node_id, long msg) {
+                               Init msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new Init(null, msg); }
+                               arg.peer_connected(their_node_id, msg_hu_conv);
+                               Reference.reachabilityFence(arg);
+                       }
+                       @Override public void handle_channel_reestablish(byte[] their_node_id, long msg) {
+                               ChannelReestablish msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new ChannelReestablish(null, msg); }
+                               arg.handle_channel_reestablish(their_node_id, msg_hu_conv);
+                               Reference.reachabilityFence(arg);
+                       }
+                       @Override public void handle_channel_update(byte[] their_node_id, long msg) {
+                               ChannelUpdate msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new ChannelUpdate(null, msg); }
+                               arg.handle_channel_update(their_node_id, msg_hu_conv);
+                               Reference.reachabilityFence(arg);
+                       }
+                       @Override public void handle_error(byte[] their_node_id, long msg) {
+                               ErrorMessage msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new ErrorMessage(null, msg); }
+                               arg.handle_error(their_node_id, msg_hu_conv);
+                               Reference.reachabilityFence(arg);
+                       }
+               }, 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.
+        */
+       public void handle_open_channel(byte[] their_node_id, InitFeatures their_features, OpenChannel msg) {
+               bindings.ChannelMessageHandler_handle_open_channel(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), their_features == null ? 0 : their_features.ptr & ~1, msg == null ? 0 : msg.ptr & ~1);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(their_features);
+               Reference.reachabilityFence(msg);
+               this.ptrs_to.add(msg);
+       }
+
+       /**
+        * Handle an incoming accept_channel message from the given peer.
+        */
+       public void handle_accept_channel(byte[] their_node_id, InitFeatures their_features, AcceptChannel msg) {
+               bindings.ChannelMessageHandler_handle_accept_channel(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), their_features == null ? 0 : their_features.ptr & ~1, msg == null ? 0 : msg.ptr & ~1);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(their_features);
+               Reference.reachabilityFence(msg);
+               this.ptrs_to.add(msg);
+       }
+
+       /**
+        * Handle an incoming funding_created message from the given peer.
+        */
        public void handle_funding_created(byte[] their_node_id, FundingCreated msg) {
-               bindings.ChannelMessageHandler_handle_funding_created(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+               bindings.ChannelMessageHandler_handle_funding_created(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(msg);
                this.ptrs_to.add(msg);
        }
 
+       /**
+        * Handle an incoming funding_signed message from the given peer.
+        */
        public void handle_funding_signed(byte[] their_node_id, FundingSigned msg) {
-               bindings.ChannelMessageHandler_handle_funding_signed(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+               bindings.ChannelMessageHandler_handle_funding_signed(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(msg);
                this.ptrs_to.add(msg);
        }
 
+       /**
+        * Handle an incoming funding_locked message from the given peer.
+        */
        public void handle_funding_locked(byte[] their_node_id, FundingLocked msg) {
-               bindings.ChannelMessageHandler_handle_funding_locked(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+               bindings.ChannelMessageHandler_handle_funding_locked(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(msg);
                this.ptrs_to.add(msg);
        }
 
-       public void handle_shutdown(byte[] their_node_id, Shutdown msg) {
-               bindings.ChannelMessageHandler_handle_shutdown(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+       /**
+        * Handle an incoming shutdown message from the given peer.
+        */
+       public void handle_shutdown(byte[] their_node_id, InitFeatures their_features, Shutdown msg) {
+               bindings.ChannelMessageHandler_handle_shutdown(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), their_features == null ? 0 : their_features.ptr & ~1, msg == null ? 0 : msg.ptr & ~1);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(their_features);
+               Reference.reachabilityFence(msg);
+               this.ptrs_to.add(their_features);
                this.ptrs_to.add(msg);
        }
 
+       /**
+        * Handle an incoming closing_signed message from the given peer.
+        */
        public void handle_closing_signed(byte[] their_node_id, ClosingSigned msg) {
-               bindings.ChannelMessageHandler_handle_closing_signed(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+               bindings.ChannelMessageHandler_handle_closing_signed(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(msg);
                this.ptrs_to.add(msg);
        }
 
+       /**
+        * Handle an incoming update_add_htlc message from the given peer.
+        */
        public void handle_update_add_htlc(byte[] their_node_id, UpdateAddHTLC msg) {
-               bindings.ChannelMessageHandler_handle_update_add_htlc(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+               bindings.ChannelMessageHandler_handle_update_add_htlc(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(msg);
                this.ptrs_to.add(msg);
        }
 
+       /**
+        * Handle an incoming update_fulfill_htlc message from the given peer.
+        */
        public void handle_update_fulfill_htlc(byte[] their_node_id, UpdateFulfillHTLC msg) {
-               bindings.ChannelMessageHandler_handle_update_fulfill_htlc(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+               bindings.ChannelMessageHandler_handle_update_fulfill_htlc(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(msg);
                this.ptrs_to.add(msg);
        }
 
+       /**
+        * Handle an incoming update_fail_htlc message from the given peer.
+        */
        public void handle_update_fail_htlc(byte[] their_node_id, UpdateFailHTLC msg) {
-               bindings.ChannelMessageHandler_handle_update_fail_htlc(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+               bindings.ChannelMessageHandler_handle_update_fail_htlc(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(msg);
                this.ptrs_to.add(msg);
        }
 
+       /**
+        * Handle an incoming update_fail_malformed_htlc message from the given peer.
+        */
        public void handle_update_fail_malformed_htlc(byte[] their_node_id, UpdateFailMalformedHTLC msg) {
-               bindings.ChannelMessageHandler_handle_update_fail_malformed_htlc(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+               bindings.ChannelMessageHandler_handle_update_fail_malformed_htlc(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(msg);
                this.ptrs_to.add(msg);
        }
 
+       /**
+        * Handle an incoming commitment_signed message from the given peer.
+        */
        public void handle_commitment_signed(byte[] their_node_id, CommitmentSigned msg) {
-               bindings.ChannelMessageHandler_handle_commitment_signed(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+               bindings.ChannelMessageHandler_handle_commitment_signed(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(msg);
                this.ptrs_to.add(msg);
        }
 
+       /**
+        * Handle an incoming revoke_and_ack message from the given peer.
+        */
        public void handle_revoke_and_ack(byte[] their_node_id, RevokeAndACK msg) {
-               bindings.ChannelMessageHandler_handle_revoke_and_ack(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+               bindings.ChannelMessageHandler_handle_revoke_and_ack(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(msg);
                this.ptrs_to.add(msg);
        }
 
+       /**
+        * Handle an incoming update_fee message from the given peer.
+        */
        public void handle_update_fee(byte[] their_node_id, UpdateFee msg) {
-               bindings.ChannelMessageHandler_handle_update_fee(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+               bindings.ChannelMessageHandler_handle_update_fee(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(msg);
                this.ptrs_to.add(msg);
        }
 
+       /**
+        * Handle an incoming announcement_signatures message from the given peer.
+        */
        public void handle_announcement_signatures(byte[] their_node_id, AnnouncementSignatures msg) {
-               bindings.ChannelMessageHandler_handle_announcement_signatures(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+               bindings.ChannelMessageHandler_handle_announcement_signatures(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(msg);
                this.ptrs_to.add(msg);
        }
 
+       /**
+        * Indicates a connection to the peer failed/an existing connection was lost. If no connection
+        * is believed to be possible in the future (eg they're sending us messages we don't
+        * understand or indicate they require unknown feature bits), no_connection_possible is set
+        * and any outstanding channels should be failed.
+        */
        public void peer_disconnected(byte[] their_node_id, boolean no_connection_possible) {
-               bindings.ChannelMessageHandler_peer_disconnected(this.ptr, their_node_id, no_connection_possible);
+               bindings.ChannelMessageHandler_peer_disconnected(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), no_connection_possible);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(no_connection_possible);
        }
 
+       /**
+        * Handle a peer reconnecting, possibly generating channel_reestablish message(s).
+        */
        public void peer_connected(byte[] their_node_id, Init msg) {
-               bindings.ChannelMessageHandler_peer_connected(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+               bindings.ChannelMessageHandler_peer_connected(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(msg);
                this.ptrs_to.add(msg);
        }
 
+       /**
+        * Handle an incoming channel_reestablish message from the given peer.
+        */
        public void handle_channel_reestablish(byte[] their_node_id, ChannelReestablish msg) {
-               bindings.ChannelMessageHandler_handle_channel_reestablish(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+               bindings.ChannelMessageHandler_handle_channel_reestablish(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(msg);
+               this.ptrs_to.add(msg);
+       }
+
+       /**
+        * Handle an incoming channel update from the given peer.
+        */
+       public void handle_channel_update(byte[] their_node_id, ChannelUpdate msg) {
+               bindings.ChannelMessageHandler_handle_channel_update(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(msg);
                this.ptrs_to.add(msg);
        }
 
+       /**
+        * Handle an incoming error message from the given peer.
+        */
        public void handle_error(byte[] their_node_id, ErrorMessage msg) {
-               bindings.ChannelMessageHandler_handle_error(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+               bindings.ChannelMessageHandler_handle_error(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(their_node_id);
+               Reference.reachabilityFence(msg);
                this.ptrs_to.add(msg);
        }