_ Git - ldk-java/blob - c_sharp/src/org/ldk/structs/ChannelMessageHandler.cs

   1
   2 using org.ldk.impl;
   3 using org.ldk.enums;
   4 using org.ldk.util;
   5 using System;
   6
   7 namespace org { namespace ldk { namespace structs {
   8
   9
  10
  11 /** An implementation of ChannelMessageHandler */
  12 public interface ChannelMessageHandlerInterface {
  13         /**Handle an incoming `open_channel` message from the given peer.
  14          */
  15         void handle_open_channel(byte[] their_node_id, OpenChannel msg);
  16         /**Handle an incoming `open_channel2` message from the given peer.
  17          */
  18         void handle_open_channel_v2(byte[] their_node_id, OpenChannelV2 msg);
  19         /**Handle an incoming `accept_channel` message from the given peer.
  20          */
  21         void handle_accept_channel(byte[] their_node_id, AcceptChannel msg);
  22         /**Handle an incoming `accept_channel2` message from the given peer.
  23          */
  24         void handle_accept_channel_v2(byte[] their_node_id, AcceptChannelV2 msg);
  25         /**Handle an incoming `funding_created` message from the given peer.
  26          */
  27         void handle_funding_created(byte[] their_node_id, FundingCreated msg);
  28         /**Handle an incoming `funding_signed` message from the given peer.
  29          */
  30         void handle_funding_signed(byte[] their_node_id, FundingSigned msg);
  31         /**Handle an incoming `channel_ready` message from the given peer.
  32          */
  33         void handle_channel_ready(byte[] their_node_id, ChannelReady msg);
  34         /**Handle an incoming `shutdown` message from the given peer.
  35          */
  36         void handle_shutdown(byte[] their_node_id, Shutdown msg);
  37         /**Handle an incoming `closing_signed` message from the given peer.
  38          */
  39         void handle_closing_signed(byte[] their_node_id, ClosingSigned msg);
  40         /**Handle an incoming `stfu` message from the given peer.
  41          */
  42         void handle_stfu(byte[] their_node_id, Stfu msg);
  43         /**Handle an incoming `splice` message from the given peer.
  44          */
  45         void handle_splice(byte[] their_node_id, Splice msg);
  46         /**Handle an incoming `splice_ack` message from the given peer.
  47          */
  48         void handle_splice_ack(byte[] their_node_id, SpliceAck msg);
  49         /**Handle an incoming `splice_locked` message from the given peer.
  50          */
  51         void handle_splice_locked(byte[] their_node_id, SpliceLocked msg);
  52         /**Handle an incoming `tx_add_input message` from the given peer.
  53          */
  54         void handle_tx_add_input(byte[] their_node_id, TxAddInput msg);
  55         /**Handle an incoming `tx_add_output` message from the given peer.
  56          */
  57         void handle_tx_add_output(byte[] their_node_id, TxAddOutput msg);
  58         /**Handle an incoming `tx_remove_input` message from the given peer.
  59          */
  60         void handle_tx_remove_input(byte[] their_node_id, TxRemoveInput msg);
  61         /**Handle an incoming `tx_remove_output` message from the given peer.
  62          */
  63         void handle_tx_remove_output(byte[] their_node_id, TxRemoveOutput msg);
  64         /**Handle an incoming `tx_complete message` from the given peer.
  65          */
  66         void handle_tx_complete(byte[] their_node_id, TxComplete msg);
  67         /**Handle an incoming `tx_signatures` message from the given peer.
  68          */
  69         void handle_tx_signatures(byte[] their_node_id, TxSignatures msg);
  70         /**Handle an incoming `tx_init_rbf` message from the given peer.
  71          */
  72         void handle_tx_init_rbf(byte[] their_node_id, TxInitRbf msg);
  73         /**Handle an incoming `tx_ack_rbf` message from the given peer.
  74          */
  75         void handle_tx_ack_rbf(byte[] their_node_id, TxAckRbf msg);
  76         /**Handle an incoming `tx_abort message` from the given peer.
  77          */
  78         void handle_tx_abort(byte[] their_node_id, TxAbort msg);
  79         /**Handle an incoming `update_add_htlc` message from the given peer.
  80          */
  81         void handle_update_add_htlc(byte[] their_node_id, UpdateAddHTLC msg);
  82         /**Handle an incoming `update_fulfill_htlc` message from the given peer.
  83          */
  84         void handle_update_fulfill_htlc(byte[] their_node_id, UpdateFulfillHTLC msg);
  85         /**Handle an incoming `update_fail_htlc` message from the given peer.
  86          */
  87         void handle_update_fail_htlc(byte[] their_node_id, UpdateFailHTLC msg);
  88         /**Handle an incoming `update_fail_malformed_htlc` message from the given peer.
  89          */
  90         void handle_update_fail_malformed_htlc(byte[] their_node_id, UpdateFailMalformedHTLC msg);
  91         /**Handle an incoming `commitment_signed` message from the given peer.
  92          */
  93         void handle_commitment_signed(byte[] their_node_id, CommitmentSigned msg);
  94         /**Handle an incoming `revoke_and_ack` message from the given peer.
  95          */
  96         void handle_revoke_and_ack(byte[] their_node_id, RevokeAndACK msg);
  97         /**Handle an incoming `update_fee` message from the given peer.
  98          */
  99         void handle_update_fee(byte[] their_node_id, UpdateFee msg);
 100         /**Handle an incoming `announcement_signatures` message from the given peer.
 101          */
 102         void handle_announcement_signatures(byte[] their_node_id, AnnouncementSignatures msg);
 103         /**Indicates a connection to the peer failed/an existing connection was lost.
 104          */
 105         void peer_disconnected(byte[] their_node_id);
 106         /**Handle a peer reconnecting, possibly generating `channel_reestablish` message(s).
 107          *
 108          * May return an `Err(())` if the features the peer supports are not sufficient to communicate
 109          * with us. Implementors should be somewhat conservative about doing so, however, as other
 110          * message handlers may still wish to communicate with this peer.
 111          */
 112         Result_NoneNoneZ peer_connected(byte[] their_node_id, Init msg, bool inbound);
 113         /**Handle an incoming `channel_reestablish` message from the given peer.
 114          */
 115         void handle_channel_reestablish(byte[] their_node_id, ChannelReestablish msg);
 116         /**Handle an incoming `channel_update` message from the given peer.
 117          */
 118         void handle_channel_update(byte[] their_node_id, ChannelUpdate msg);
 119         /**Handle an incoming `error` message from the given peer.
 120          */
 121         void handle_error(byte[] their_node_id, ErrorMessage msg);
 122         /**Gets the node feature flags which this handler itself supports. All available handlers are
 123          * queried similarly and their feature flags are OR'd together to form the [`NodeFeatures`]
 124          * which are broadcasted in our [`NodeAnnouncement`] message.
 125          */
 126         NodeFeatures provided_node_features();
 127         /**Gets the init feature flags which should be sent to the given peer. All available handlers
 128          * are queried similarly and their feature flags are OR'd together to form the [`InitFeatures`]
 129          * which are sent in our [`Init`] message.
 130          *
 131          * Note that this method is called before [`Self::peer_connected`].
 132          */
 133         InitFeatures provided_init_features(byte[] their_node_id);
 134         /**Gets the chain hashes for this `ChannelMessageHandler` indicating which chains it supports.
 135          *
 136          * If it's `None`, then no particular network chain hash compatibility will be enforced when
 137          * connecting to peers.
 138          */
 139         Option_CVec_ThirtyTwoBytesZZ get_chain_hashes();
 140 }
 141
 142 /**
 143  * A trait to describe an object which can receive channel messages.
 144  *
 145  * Messages MAY be called in parallel when they originate from different `their_node_ids`, however
 146  * they MUST NOT be called in parallel when the two calls have the same `their_node_id`.
 147  */
 148 public class ChannelMessageHandler : CommonBase {
 149         internal bindings.LDKChannelMessageHandler bindings_instance;
 150         internal long instance_idx;
 151
 152         internal ChannelMessageHandler(object _dummy, long ptr) : base(ptr) { bindings_instance = null; }
 153         ~ChannelMessageHandler() {
 154                 if (ptr != 0) { bindings.ChannelMessageHandler_free(ptr); }
 155         }
 156
 157         private class LDKChannelMessageHandlerHolder { internal ChannelMessageHandler held; }
 158         private class LDKChannelMessageHandlerImpl : bindings.LDKChannelMessageHandler {
 159                 internal LDKChannelMessageHandlerImpl(ChannelMessageHandlerInterface arg, LDKChannelMessageHandlerHolder impl_holder) { this.arg = arg; this.impl_holder = impl_holder; }
 160                 private ChannelMessageHandlerInterface arg;
 161                 private LDKChannelMessageHandlerHolder impl_holder;
 162                 public void handle_open_channel(long _their_node_id, long _msg) {
 163                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 164                         org.ldk.structs.OpenChannel _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.OpenChannel(null, _msg); }
 165                         arg.handle_open_channel(_their_node_id_conv, _msg_hu_conv);
 166                                 GC.KeepAlive(arg);
 167                 }
 168                 public void handle_open_channel_v2(long _their_node_id, long _msg) {
 169                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 170                         org.ldk.structs.OpenChannelV2 _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.OpenChannelV2(null, _msg); }
 171                         arg.handle_open_channel_v2(_their_node_id_conv, _msg_hu_conv);
 172                                 GC.KeepAlive(arg);
 173                 }
 174                 public void handle_accept_channel(long _their_node_id, long _msg) {
 175                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 176                         org.ldk.structs.AcceptChannel _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.AcceptChannel(null, _msg); }
 177                         arg.handle_accept_channel(_their_node_id_conv, _msg_hu_conv);
 178                                 GC.KeepAlive(arg);
 179                 }
 180                 public void handle_accept_channel_v2(long _their_node_id, long _msg) {
 181                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 182                         org.ldk.structs.AcceptChannelV2 _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.AcceptChannelV2(null, _msg); }
 183                         arg.handle_accept_channel_v2(_their_node_id_conv, _msg_hu_conv);
 184                                 GC.KeepAlive(arg);
 185                 }
 186                 public void handle_funding_created(long _their_node_id, long _msg) {
 187                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 188                         org.ldk.structs.FundingCreated _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.FundingCreated(null, _msg); }
 189                         arg.handle_funding_created(_their_node_id_conv, _msg_hu_conv);
 190                                 GC.KeepAlive(arg);
 191                 }
 192                 public void handle_funding_signed(long _their_node_id, long _msg) {
 193                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 194                         org.ldk.structs.FundingSigned _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.FundingSigned(null, _msg); }
 195                         arg.handle_funding_signed(_their_node_id_conv, _msg_hu_conv);
 196                                 GC.KeepAlive(arg);
 197                 }
 198                 public void handle_channel_ready(long _their_node_id, long _msg) {
 199                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 200                         org.ldk.structs.ChannelReady _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.ChannelReady(null, _msg); }
 201                         arg.handle_channel_ready(_their_node_id_conv, _msg_hu_conv);
 202                                 GC.KeepAlive(arg);
 203                 }
 204                 public void handle_shutdown(long _their_node_id, long _msg) {
 205                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 206                         org.ldk.structs.Shutdown _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.Shutdown(null, _msg); }
 207                         arg.handle_shutdown(_their_node_id_conv, _msg_hu_conv);
 208                                 GC.KeepAlive(arg);
 209                 }
 210                 public void handle_closing_signed(long _their_node_id, long _msg) {
 211                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 212                         org.ldk.structs.ClosingSigned _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.ClosingSigned(null, _msg); }
 213                         arg.handle_closing_signed(_their_node_id_conv, _msg_hu_conv);
 214                                 GC.KeepAlive(arg);
 215                 }
 216                 public void handle_stfu(long _their_node_id, long _msg) {
 217                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 218                         org.ldk.structs.Stfu _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.Stfu(null, _msg); }
 219                         arg.handle_stfu(_their_node_id_conv, _msg_hu_conv);
 220                                 GC.KeepAlive(arg);
 221                 }
 222                 public void handle_splice(long _their_node_id, long _msg) {
 223                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 224                         org.ldk.structs.Splice _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.Splice(null, _msg); }
 225                         arg.handle_splice(_their_node_id_conv, _msg_hu_conv);
 226                                 GC.KeepAlive(arg);
 227                 }
 228                 public void handle_splice_ack(long _their_node_id, long _msg) {
 229                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 230                         org.ldk.structs.SpliceAck _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.SpliceAck(null, _msg); }
 231                         arg.handle_splice_ack(_their_node_id_conv, _msg_hu_conv);
 232                                 GC.KeepAlive(arg);
 233                 }
 234                 public void handle_splice_locked(long _their_node_id, long _msg) {
 235                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 236                         org.ldk.structs.SpliceLocked _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.SpliceLocked(null, _msg); }
 237                         arg.handle_splice_locked(_their_node_id_conv, _msg_hu_conv);
 238                                 GC.KeepAlive(arg);
 239                 }
 240                 public void handle_tx_add_input(long _their_node_id, long _msg) {
 241                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 242                         org.ldk.structs.TxAddInput _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.TxAddInput(null, _msg); }
 243                         arg.handle_tx_add_input(_their_node_id_conv, _msg_hu_conv);
 244                                 GC.KeepAlive(arg);
 245                 }
 246                 public void handle_tx_add_output(long _their_node_id, long _msg) {
 247                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 248                         org.ldk.structs.TxAddOutput _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.TxAddOutput(null, _msg); }
 249                         arg.handle_tx_add_output(_their_node_id_conv, _msg_hu_conv);
 250                                 GC.KeepAlive(arg);
 251                 }
 252                 public void handle_tx_remove_input(long _their_node_id, long _msg) {
 253                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 254                         org.ldk.structs.TxRemoveInput _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.TxRemoveInput(null, _msg); }
 255                         arg.handle_tx_remove_input(_their_node_id_conv, _msg_hu_conv);
 256                                 GC.KeepAlive(arg);
 257                 }
 258                 public void handle_tx_remove_output(long _their_node_id, long _msg) {
 259                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 260                         org.ldk.structs.TxRemoveOutput _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.TxRemoveOutput(null, _msg); }
 261                         arg.handle_tx_remove_output(_their_node_id_conv, _msg_hu_conv);
 262                                 GC.KeepAlive(arg);
 263                 }
 264                 public void handle_tx_complete(long _their_node_id, long _msg) {
 265                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 266                         org.ldk.structs.TxComplete _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.TxComplete(null, _msg); }
 267                         arg.handle_tx_complete(_their_node_id_conv, _msg_hu_conv);
 268                                 GC.KeepAlive(arg);
 269                 }
 270                 public void handle_tx_signatures(long _their_node_id, long _msg) {
 271                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 272                         org.ldk.structs.TxSignatures _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.TxSignatures(null, _msg); }
 273                         arg.handle_tx_signatures(_their_node_id_conv, _msg_hu_conv);
 274                                 GC.KeepAlive(arg);
 275                 }
 276                 public void handle_tx_init_rbf(long _their_node_id, long _msg) {
 277                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 278                         org.ldk.structs.TxInitRbf _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.TxInitRbf(null, _msg); }
 279                         arg.handle_tx_init_rbf(_their_node_id_conv, _msg_hu_conv);
 280                                 GC.KeepAlive(arg);
 281                 }
 282                 public void handle_tx_ack_rbf(long _their_node_id, long _msg) {
 283                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 284                         org.ldk.structs.TxAckRbf _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.TxAckRbf(null, _msg); }
 285                         arg.handle_tx_ack_rbf(_their_node_id_conv, _msg_hu_conv);
 286                                 GC.KeepAlive(arg);
 287                 }
 288                 public void handle_tx_abort(long _their_node_id, long _msg) {
 289                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 290                         org.ldk.structs.TxAbort _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.TxAbort(null, _msg); }
 291                         arg.handle_tx_abort(_their_node_id_conv, _msg_hu_conv);
 292                                 GC.KeepAlive(arg);
 293                 }
 294                 public void handle_update_add_htlc(long _their_node_id, long _msg) {
 295                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 296                         org.ldk.structs.UpdateAddHTLC _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.UpdateAddHTLC(null, _msg); }
 297                         arg.handle_update_add_htlc(_their_node_id_conv, _msg_hu_conv);
 298                                 GC.KeepAlive(arg);
 299                 }
 300                 public void handle_update_fulfill_htlc(long _their_node_id, long _msg) {
 301                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 302                         org.ldk.structs.UpdateFulfillHTLC _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.UpdateFulfillHTLC(null, _msg); }
 303                         arg.handle_update_fulfill_htlc(_their_node_id_conv, _msg_hu_conv);
 304                                 GC.KeepAlive(arg);
 305                 }
 306                 public void handle_update_fail_htlc(long _their_node_id, long _msg) {
 307                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 308                         org.ldk.structs.UpdateFailHTLC _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.UpdateFailHTLC(null, _msg); }
 309                         arg.handle_update_fail_htlc(_their_node_id_conv, _msg_hu_conv);
 310                                 GC.KeepAlive(arg);
 311                 }
 312                 public void handle_update_fail_malformed_htlc(long _their_node_id, long _msg) {
 313                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 314                         org.ldk.structs.UpdateFailMalformedHTLC _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.UpdateFailMalformedHTLC(null, _msg); }
 315                         arg.handle_update_fail_malformed_htlc(_their_node_id_conv, _msg_hu_conv);
 316                                 GC.KeepAlive(arg);
 317                 }
 318                 public void handle_commitment_signed(long _their_node_id, long _msg) {
 319                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 320                         org.ldk.structs.CommitmentSigned _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.CommitmentSigned(null, _msg); }
 321                         arg.handle_commitment_signed(_their_node_id_conv, _msg_hu_conv);
 322                                 GC.KeepAlive(arg);
 323                 }
 324                 public void handle_revoke_and_ack(long _their_node_id, long _msg) {
 325                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 326                         org.ldk.structs.RevokeAndACK _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.RevokeAndACK(null, _msg); }
 327                         arg.handle_revoke_and_ack(_their_node_id_conv, _msg_hu_conv);
 328                                 GC.KeepAlive(arg);
 329                 }
 330                 public void handle_update_fee(long _their_node_id, long _msg) {
 331                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 332                         org.ldk.structs.UpdateFee _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.UpdateFee(null, _msg); }
 333                         arg.handle_update_fee(_their_node_id_conv, _msg_hu_conv);
 334                                 GC.KeepAlive(arg);
 335                 }
 336                 public void handle_announcement_signatures(long _their_node_id, long _msg) {
 337                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 338                         org.ldk.structs.AnnouncementSignatures _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.AnnouncementSignatures(null, _msg); }
 339                         arg.handle_announcement_signatures(_their_node_id_conv, _msg_hu_conv);
 340                                 GC.KeepAlive(arg);
 341                 }
 342                 public void peer_disconnected(long _their_node_id) {
 343                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 344                         arg.peer_disconnected(_their_node_id_conv);
 345                                 GC.KeepAlive(arg);
 346                 }
 347                 public long peer_connected(long _their_node_id, long _msg, bool _inbound) {
 348                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 349                         org.ldk.structs.Init _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.Init(null, _msg); }
 350                         Result_NoneNoneZ ret = arg.peer_connected(_their_node_id_conv, _msg_hu_conv, _inbound);
 351                                 GC.KeepAlive(arg);
 352                         long result = ret == null ? 0 : ret.clone_ptr();
 353                         return result;
 354                 }
 355                 public void handle_channel_reestablish(long _their_node_id, long _msg) {
 356                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 357                         org.ldk.structs.ChannelReestablish _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.ChannelReestablish(null, _msg); }
 358                         arg.handle_channel_reestablish(_their_node_id_conv, _msg_hu_conv);
 359                                 GC.KeepAlive(arg);
 360                 }
 361                 public void handle_channel_update(long _their_node_id, long _msg) {
 362                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 363                         org.ldk.structs.ChannelUpdate _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.ChannelUpdate(null, _msg); }
 364                         arg.handle_channel_update(_their_node_id_conv, _msg_hu_conv);
 365                                 GC.KeepAlive(arg);
 366                 }
 367                 public void handle_error(long _their_node_id, long _msg) {
 368                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 369                         org.ldk.structs.ErrorMessage _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.ErrorMessage(null, _msg); }
 370                         arg.handle_error(_their_node_id_conv, _msg_hu_conv);
 371                                 GC.KeepAlive(arg);
 372                 }
 373                 public long provided_node_features() {
 374                         NodeFeatures ret = arg.provided_node_features();
 375                                 GC.KeepAlive(arg);
 376                         long result = ret == null ? 0 : ret.clone_ptr();
 377                         return result;
 378                 }
 379                 public long provided_init_features(long _their_node_id) {
 380                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 381                         InitFeatures ret = arg.provided_init_features(_their_node_id_conv);
 382                                 GC.KeepAlive(arg);
 383                         long result = ret == null ? 0 : ret.clone_ptr();
 384                         return result;
 385                 }
 386                 public long get_chain_hashes() {
 387                         Option_CVec_ThirtyTwoBytesZZ ret = arg.get_chain_hashes();
 388                                 GC.KeepAlive(arg);
 389                         long result = ret == null ? 0 : ret.clone_ptr();
 390                         if (impl_holder.held != null) { impl_holder.held.ptrs_to.AddLast(ret); };
 391                         return result;
 392                 }
 393         }
 394
 395         /** Creates a new instance of ChannelMessageHandler from a given implementation */
 396         public static ChannelMessageHandler new_impl(ChannelMessageHandlerInterface arg, MessageSendEventsProviderInterface messageSendEventsProvider_impl) {
 397                 LDKChannelMessageHandlerHolder impl_holder = new LDKChannelMessageHandlerHolder();
 398                 LDKChannelMessageHandlerImpl impl = new LDKChannelMessageHandlerImpl(arg, impl_holder);
 399                 MessageSendEventsProvider messageSendEventsProvider = MessageSendEventsProvider.new_impl(messageSendEventsProvider_impl);
 400                 long[] ptr_idx = bindings.LDKChannelMessageHandler_new(impl, messageSendEventsProvider.instance_idx);
 401
 402                 impl_holder.held = new ChannelMessageHandler(null, ptr_idx[0]);
 403                 impl_holder.held.instance_idx = ptr_idx[1];
 404                 impl_holder.held.bindings_instance = impl;
 405                 impl_holder.held.ptrs_to.AddLast(messageSendEventsProvider);
 406                 return impl_holder.held;
 407         }
 408
 409         /**
 410          * Handle an incoming `open_channel` message from the given peer.
 411          */
 412         public void handle_open_channel(byte[] their_node_id, org.ldk.structs.OpenChannel msg) {
 413                 bindings.ChannelMessageHandler_handle_open_channel(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 414                 GC.KeepAlive(this);
 415                 GC.KeepAlive(their_node_id);
 416                 GC.KeepAlive(msg);
 417                 if (this != null) { this.ptrs_to.AddLast(msg); };
 418         }
 419
 420         /**
 421          * Handle an incoming `open_channel2` message from the given peer.
 422          */
 423         public void handle_open_channel_v2(byte[] their_node_id, org.ldk.structs.OpenChannelV2 msg) {
 424                 bindings.ChannelMessageHandler_handle_open_channel_v2(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 425                 GC.KeepAlive(this);
 426                 GC.KeepAlive(their_node_id);
 427                 GC.KeepAlive(msg);
 428                 if (this != null) { this.ptrs_to.AddLast(msg); };
 429         }
 430
 431         /**
 432          * Handle an incoming `accept_channel` message from the given peer.
 433          */
 434         public void handle_accept_channel(byte[] their_node_id, org.ldk.structs.AcceptChannel msg) {
 435                 bindings.ChannelMessageHandler_handle_accept_channel(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 436                 GC.KeepAlive(this);
 437                 GC.KeepAlive(their_node_id);
 438                 GC.KeepAlive(msg);
 439                 if (this != null) { this.ptrs_to.AddLast(msg); };
 440         }
 441
 442         /**
 443          * Handle an incoming `accept_channel2` message from the given peer.
 444          */
 445         public void handle_accept_channel_v2(byte[] their_node_id, org.ldk.structs.AcceptChannelV2 msg) {
 446                 bindings.ChannelMessageHandler_handle_accept_channel_v2(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 447                 GC.KeepAlive(this);
 448                 GC.KeepAlive(their_node_id);
 449                 GC.KeepAlive(msg);
 450                 if (this != null) { this.ptrs_to.AddLast(msg); };
 451         }
 452
 453         /**
 454          * Handle an incoming `funding_created` message from the given peer.
 455          */
 456         public void handle_funding_created(byte[] their_node_id, org.ldk.structs.FundingCreated msg) {
 457                 bindings.ChannelMessageHandler_handle_funding_created(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 458                 GC.KeepAlive(this);
 459                 GC.KeepAlive(their_node_id);
 460                 GC.KeepAlive(msg);
 461                 if (this != null) { this.ptrs_to.AddLast(msg); };
 462         }
 463
 464         /**
 465          * Handle an incoming `funding_signed` message from the given peer.
 466          */
 467         public void handle_funding_signed(byte[] their_node_id, org.ldk.structs.FundingSigned msg) {
 468                 bindings.ChannelMessageHandler_handle_funding_signed(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 469                 GC.KeepAlive(this);
 470                 GC.KeepAlive(their_node_id);
 471                 GC.KeepAlive(msg);
 472                 if (this != null) { this.ptrs_to.AddLast(msg); };
 473         }
 474
 475         /**
 476          * Handle an incoming `channel_ready` message from the given peer.
 477          */
 478         public void handle_channel_ready(byte[] their_node_id, org.ldk.structs.ChannelReady msg) {
 479                 bindings.ChannelMessageHandler_handle_channel_ready(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 480                 GC.KeepAlive(this);
 481                 GC.KeepAlive(their_node_id);
 482                 GC.KeepAlive(msg);
 483                 if (this != null) { this.ptrs_to.AddLast(msg); };
 484         }
 485
 486         /**
 487          * Handle an incoming `shutdown` message from the given peer.
 488          */
 489         public void handle_shutdown(byte[] their_node_id, org.ldk.structs.Shutdown msg) {
 490                 bindings.ChannelMessageHandler_handle_shutdown(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 491                 GC.KeepAlive(this);
 492                 GC.KeepAlive(their_node_id);
 493                 GC.KeepAlive(msg);
 494                 if (this != null) { this.ptrs_to.AddLast(msg); };
 495         }
 496
 497         /**
 498          * Handle an incoming `closing_signed` message from the given peer.
 499          */
 500         public void handle_closing_signed(byte[] their_node_id, org.ldk.structs.ClosingSigned msg) {
 501                 bindings.ChannelMessageHandler_handle_closing_signed(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 502                 GC.KeepAlive(this);
 503                 GC.KeepAlive(their_node_id);
 504                 GC.KeepAlive(msg);
 505                 if (this != null) { this.ptrs_to.AddLast(msg); };
 506         }
 507
 508         /**
 509          * Handle an incoming `stfu` message from the given peer.
 510          */
 511         public void handle_stfu(byte[] their_node_id, org.ldk.structs.Stfu msg) {
 512                 bindings.ChannelMessageHandler_handle_stfu(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 513                 GC.KeepAlive(this);
 514                 GC.KeepAlive(their_node_id);
 515                 GC.KeepAlive(msg);
 516                 if (this != null) { this.ptrs_to.AddLast(msg); };
 517         }
 518
 519         /**
 520          * Handle an incoming `splice` message from the given peer.
 521          */
 522         public void handle_splice(byte[] their_node_id, org.ldk.structs.Splice msg) {
 523                 bindings.ChannelMessageHandler_handle_splice(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 524                 GC.KeepAlive(this);
 525                 GC.KeepAlive(their_node_id);
 526                 GC.KeepAlive(msg);
 527                 if (this != null) { this.ptrs_to.AddLast(msg); };
 528         }
 529
 530         /**
 531          * Handle an incoming `splice_ack` message from the given peer.
 532          */
 533         public void handle_splice_ack(byte[] their_node_id, org.ldk.structs.SpliceAck msg) {
 534                 bindings.ChannelMessageHandler_handle_splice_ack(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 535                 GC.KeepAlive(this);
 536                 GC.KeepAlive(their_node_id);
 537                 GC.KeepAlive(msg);
 538                 if (this != null) { this.ptrs_to.AddLast(msg); };
 539         }
 540
 541         /**
 542          * Handle an incoming `splice_locked` message from the given peer.
 543          */
 544         public void handle_splice_locked(byte[] their_node_id, org.ldk.structs.SpliceLocked msg) {
 545                 bindings.ChannelMessageHandler_handle_splice_locked(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 546                 GC.KeepAlive(this);
 547                 GC.KeepAlive(their_node_id);
 548                 GC.KeepAlive(msg);
 549                 if (this != null) { this.ptrs_to.AddLast(msg); };
 550         }
 551
 552         /**
 553          * Handle an incoming `tx_add_input message` from the given peer.
 554          */
 555         public void handle_tx_add_input(byte[] their_node_id, org.ldk.structs.TxAddInput msg) {
 556                 bindings.ChannelMessageHandler_handle_tx_add_input(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 557                 GC.KeepAlive(this);
 558                 GC.KeepAlive(their_node_id);
 559                 GC.KeepAlive(msg);
 560                 if (this != null) { this.ptrs_to.AddLast(msg); };
 561         }
 562
 563         /**
 564          * Handle an incoming `tx_add_output` message from the given peer.
 565          */
 566         public void handle_tx_add_output(byte[] their_node_id, org.ldk.structs.TxAddOutput msg) {
 567                 bindings.ChannelMessageHandler_handle_tx_add_output(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 568                 GC.KeepAlive(this);
 569                 GC.KeepAlive(their_node_id);
 570                 GC.KeepAlive(msg);
 571                 if (this != null) { this.ptrs_to.AddLast(msg); };
 572         }
 573
 574         /**
 575          * Handle an incoming `tx_remove_input` message from the given peer.
 576          */
 577         public void handle_tx_remove_input(byte[] their_node_id, org.ldk.structs.TxRemoveInput msg) {
 578                 bindings.ChannelMessageHandler_handle_tx_remove_input(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 579                 GC.KeepAlive(this);
 580                 GC.KeepAlive(their_node_id);
 581                 GC.KeepAlive(msg);
 582                 if (this != null) { this.ptrs_to.AddLast(msg); };
 583         }
 584
 585         /**
 586          * Handle an incoming `tx_remove_output` message from the given peer.
 587          */
 588         public void handle_tx_remove_output(byte[] their_node_id, org.ldk.structs.TxRemoveOutput msg) {
 589                 bindings.ChannelMessageHandler_handle_tx_remove_output(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 590                 GC.KeepAlive(this);
 591                 GC.KeepAlive(their_node_id);
 592                 GC.KeepAlive(msg);
 593                 if (this != null) { this.ptrs_to.AddLast(msg); };
 594         }
 595
 596         /**
 597          * Handle an incoming `tx_complete message` from the given peer.
 598          */
 599         public void handle_tx_complete(byte[] their_node_id, org.ldk.structs.TxComplete msg) {
 600                 bindings.ChannelMessageHandler_handle_tx_complete(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 601                 GC.KeepAlive(this);
 602                 GC.KeepAlive(their_node_id);
 603                 GC.KeepAlive(msg);
 604                 if (this != null) { this.ptrs_to.AddLast(msg); };
 605         }
 606
 607         /**
 608          * Handle an incoming `tx_signatures` message from the given peer.
 609          */
 610         public void handle_tx_signatures(byte[] their_node_id, org.ldk.structs.TxSignatures msg) {
 611                 bindings.ChannelMessageHandler_handle_tx_signatures(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 612                 GC.KeepAlive(this);
 613                 GC.KeepAlive(their_node_id);
 614                 GC.KeepAlive(msg);
 615                 if (this != null) { this.ptrs_to.AddLast(msg); };
 616         }
 617
 618         /**
 619          * Handle an incoming `tx_init_rbf` message from the given peer.
 620          */
 621         public void handle_tx_init_rbf(byte[] their_node_id, org.ldk.structs.TxInitRbf msg) {
 622                 bindings.ChannelMessageHandler_handle_tx_init_rbf(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 623                 GC.KeepAlive(this);
 624                 GC.KeepAlive(their_node_id);
 625                 GC.KeepAlive(msg);
 626                 if (this != null) { this.ptrs_to.AddLast(msg); };
 627         }
 628
 629         /**
 630          * Handle an incoming `tx_ack_rbf` message from the given peer.
 631          */
 632         public void handle_tx_ack_rbf(byte[] their_node_id, org.ldk.structs.TxAckRbf msg) {
 633                 bindings.ChannelMessageHandler_handle_tx_ack_rbf(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 634                 GC.KeepAlive(this);
 635                 GC.KeepAlive(their_node_id);
 636                 GC.KeepAlive(msg);
 637                 if (this != null) { this.ptrs_to.AddLast(msg); };
 638         }
 639
 640         /**
 641          * Handle an incoming `tx_abort message` from the given peer.
 642          */
 643         public void handle_tx_abort(byte[] their_node_id, org.ldk.structs.TxAbort msg) {
 644                 bindings.ChannelMessageHandler_handle_tx_abort(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 645                 GC.KeepAlive(this);
 646                 GC.KeepAlive(their_node_id);
 647                 GC.KeepAlive(msg);
 648                 if (this != null) { this.ptrs_to.AddLast(msg); };
 649         }
 650
 651         /**
 652          * Handle an incoming `update_add_htlc` message from the given peer.
 653          */
 654         public void handle_update_add_htlc(byte[] their_node_id, org.ldk.structs.UpdateAddHTLC msg) {
 655                 bindings.ChannelMessageHandler_handle_update_add_htlc(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 656                 GC.KeepAlive(this);
 657                 GC.KeepAlive(their_node_id);
 658                 GC.KeepAlive(msg);
 659                 if (this != null) { this.ptrs_to.AddLast(msg); };
 660         }
 661
 662         /**
 663          * Handle an incoming `update_fulfill_htlc` message from the given peer.
 664          */
 665         public void handle_update_fulfill_htlc(byte[] their_node_id, org.ldk.structs.UpdateFulfillHTLC msg) {
 666                 bindings.ChannelMessageHandler_handle_update_fulfill_htlc(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 667                 GC.KeepAlive(this);
 668                 GC.KeepAlive(their_node_id);
 669                 GC.KeepAlive(msg);
 670                 if (this != null) { this.ptrs_to.AddLast(msg); };
 671         }
 672
 673         /**
 674          * Handle an incoming `update_fail_htlc` message from the given peer.
 675          */
 676         public void handle_update_fail_htlc(byte[] their_node_id, org.ldk.structs.UpdateFailHTLC msg) {
 677                 bindings.ChannelMessageHandler_handle_update_fail_htlc(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 678                 GC.KeepAlive(this);
 679                 GC.KeepAlive(their_node_id);
 680                 GC.KeepAlive(msg);
 681                 if (this != null) { this.ptrs_to.AddLast(msg); };
 682         }
 683
 684         /**
 685          * Handle an incoming `update_fail_malformed_htlc` message from the given peer.
 686          */
 687         public void handle_update_fail_malformed_htlc(byte[] their_node_id, org.ldk.structs.UpdateFailMalformedHTLC msg) {
 688                 bindings.ChannelMessageHandler_handle_update_fail_malformed_htlc(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 689                 GC.KeepAlive(this);
 690                 GC.KeepAlive(their_node_id);
 691                 GC.KeepAlive(msg);
 692                 if (this != null) { this.ptrs_to.AddLast(msg); };
 693         }
 694
 695         /**
 696          * Handle an incoming `commitment_signed` message from the given peer.
 697          */
 698         public void handle_commitment_signed(byte[] their_node_id, org.ldk.structs.CommitmentSigned msg) {
 699                 bindings.ChannelMessageHandler_handle_commitment_signed(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 700                 GC.KeepAlive(this);
 701                 GC.KeepAlive(their_node_id);
 702                 GC.KeepAlive(msg);
 703                 if (this != null) { this.ptrs_to.AddLast(msg); };
 704         }
 705
 706         /**
 707          * Handle an incoming `revoke_and_ack` message from the given peer.
 708          */
 709         public void handle_revoke_and_ack(byte[] their_node_id, org.ldk.structs.RevokeAndACK msg) {
 710                 bindings.ChannelMessageHandler_handle_revoke_and_ack(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 711                 GC.KeepAlive(this);
 712                 GC.KeepAlive(their_node_id);
 713                 GC.KeepAlive(msg);
 714                 if (this != null) { this.ptrs_to.AddLast(msg); };
 715         }
 716
 717         /**
 718          * Handle an incoming `update_fee` message from the given peer.
 719          */
 720         public void handle_update_fee(byte[] their_node_id, org.ldk.structs.UpdateFee msg) {
 721                 bindings.ChannelMessageHandler_handle_update_fee(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 722                 GC.KeepAlive(this);
 723                 GC.KeepAlive(their_node_id);
 724                 GC.KeepAlive(msg);
 725                 if (this != null) { this.ptrs_to.AddLast(msg); };
 726         }
 727
 728         /**
 729          * Handle an incoming `announcement_signatures` message from the given peer.
 730          */
 731         public void handle_announcement_signatures(byte[] their_node_id, org.ldk.structs.AnnouncementSignatures msg) {
 732                 bindings.ChannelMessageHandler_handle_announcement_signatures(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 733                 GC.KeepAlive(this);
 734                 GC.KeepAlive(their_node_id);
 735                 GC.KeepAlive(msg);
 736                 if (this != null) { this.ptrs_to.AddLast(msg); };
 737         }
 738
 739         /**
 740          * Indicates a connection to the peer failed/an existing connection was lost.
 741          */
 742         public void peer_disconnected(byte[] their_node_id) {
 743                 bindings.ChannelMessageHandler_peer_disconnected(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)));
 744                 GC.KeepAlive(this);
 745                 GC.KeepAlive(their_node_id);
 746         }
 747
 748         /**
 749          * Handle a peer reconnecting, possibly generating `channel_reestablish` message(s).
 750          *
 751          * May return an `Err(())` if the features the peer supports are not sufficient to communicate
 752          * with us. Implementors should be somewhat conservative about doing so, however, as other
 753          * message handlers may still wish to communicate with this peer.
 754          */
 755         public Result_NoneNoneZ peer_connected(byte[] their_node_id, org.ldk.structs.Init msg, bool inbound) {
 756                 long ret = bindings.ChannelMessageHandler_peer_connected(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr, inbound);
 757                 GC.KeepAlive(this);
 758                 GC.KeepAlive(their_node_id);
 759                 GC.KeepAlive(msg);
 760                 GC.KeepAlive(inbound);
 761                 if (ret >= 0 && ret <= 4096) { return null; }
 762                 Result_NoneNoneZ ret_hu_conv = Result_NoneNoneZ.constr_from_ptr(ret);
 763                 if (this != null) { this.ptrs_to.AddLast(msg); };
 764                 return ret_hu_conv;
 765         }
 766
 767         /**
 768          * Handle an incoming `channel_reestablish` message from the given peer.
 769          */
 770         public void handle_channel_reestablish(byte[] their_node_id, org.ldk.structs.ChannelReestablish msg) {
 771                 bindings.ChannelMessageHandler_handle_channel_reestablish(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 772                 GC.KeepAlive(this);
 773                 GC.KeepAlive(their_node_id);
 774                 GC.KeepAlive(msg);
 775                 if (this != null) { this.ptrs_to.AddLast(msg); };
 776         }
 777
 778         /**
 779          * Handle an incoming `channel_update` message from the given peer.
 780          */
 781         public void handle_channel_update(byte[] their_node_id, org.ldk.structs.ChannelUpdate msg) {
 782                 bindings.ChannelMessageHandler_handle_channel_update(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 783                 GC.KeepAlive(this);
 784                 GC.KeepAlive(their_node_id);
 785                 GC.KeepAlive(msg);
 786                 if (this != null) { this.ptrs_to.AddLast(msg); };
 787         }
 788
 789         /**
 790          * Handle an incoming `error` message from the given peer.
 791          */
 792         public void handle_error(byte[] their_node_id, org.ldk.structs.ErrorMessage msg) {
 793                 bindings.ChannelMessageHandler_handle_error(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 794                 GC.KeepAlive(this);
 795                 GC.KeepAlive(their_node_id);
 796                 GC.KeepAlive(msg);
 797                 if (this != null) { this.ptrs_to.AddLast(msg); };
 798         }
 799
 800         /**
 801          * Gets the node feature flags which this handler itself supports. All available handlers are
 802          * queried similarly and their feature flags are OR'd together to form the [`NodeFeatures`]
 803          * which are broadcasted in our [`NodeAnnouncement`] message.
 804          */
 805         public NodeFeatures provided_node_features() {
 806                 long ret = bindings.ChannelMessageHandler_provided_node_features(this.ptr);
 807                 GC.KeepAlive(this);
 808                 if (ret >= 0 && ret <= 4096) { return null; }
 809                 org.ldk.structs.NodeFeatures ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.NodeFeatures(null, ret); }
 810                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); };
 811                 return ret_hu_conv;
 812         }
 813
 814         /**
 815          * Gets the init feature flags which should be sent to the given peer. All available handlers
 816          * are queried similarly and their feature flags are OR'd together to form the [`InitFeatures`]
 817          * which are sent in our [`Init`] message.
 818          *
 819          * Note that this method is called before [`Self::peer_connected`].
 820          */
 821         public InitFeatures provided_init_features(byte[] their_node_id) {
 822                 long ret = bindings.ChannelMessageHandler_provided_init_features(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)));
 823                 GC.KeepAlive(this);
 824                 GC.KeepAlive(their_node_id);
 825                 if (ret >= 0 && ret <= 4096) { return null; }
 826                 org.ldk.structs.InitFeatures ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.InitFeatures(null, ret); }
 827                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); };
 828                 return ret_hu_conv;
 829         }
 830
 831         /**
 832          * Gets the chain hashes for this `ChannelMessageHandler` indicating which chains it supports.
 833          *
 834          * If it's `None`, then no particular network chain hash compatibility will be enforced when
 835          * connecting to peers.
 836          */
 837         public Option_CVec_ThirtyTwoBytesZZ get_chain_hashes() {
 838                 long ret = bindings.ChannelMessageHandler_get_chain_hashes(this.ptr);
 839                 GC.KeepAlive(this);
 840                 if (ret >= 0 && ret <= 4096) { return null; }
 841                 org.ldk.structs.Option_CVec_ThirtyTwoBytesZZ ret_hu_conv = org.ldk.structs.Option_CVec_ThirtyTwoBytesZZ.constr_from_ptr(ret);
 842                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); };
 843                 return ret_hu_conv;
 844         }
 845
 846 }
 847 } } }