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

   1 package org.ldk.structs;
   2
   3 import org.ldk.impl.bindings;
   4 import org.ldk.enums.*;
   5 import org.ldk.util.*;
   6 import java.util.Arrays;
   7 import javax.annotation.Nullable;
   8
   9 /**
  10  * A trait to describe an object which can receive channel messages.
  11  *
  12  * Messages MAY be called in parallel when they originate from different their_node_ids, however
  13  * they MUST NOT be called in parallel when the two calls have the same their_node_id.
  14  */
  15 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
  16 public class ChannelMessageHandler extends CommonBase {
  17         final bindings.LDKChannelMessageHandler bindings_instance;
  18         ChannelMessageHandler(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
  19         private ChannelMessageHandler(bindings.LDKChannelMessageHandler arg, bindings.LDKMessageSendEventsProvider MessageSendEventsProvider) {
  20                 super(bindings.LDKChannelMessageHandler_new(arg, MessageSendEventsProvider));
  21                 this.ptrs_to.add(arg);
  22                 this.ptrs_to.add(MessageSendEventsProvider);
  23                 this.bindings_instance = arg;
  24         }
  25         @Override @SuppressWarnings("deprecation")
  26         protected void finalize() throws Throwable {
  27                 if (ptr != 0) { bindings.ChannelMessageHandler_free(ptr); } super.finalize();
  28         }
  29
  30         public static interface ChannelMessageHandlerInterface {
  31                 /**
  32                  * Handle an incoming open_channel message from the given peer.
  33                  */
  34                 void handle_open_channel(byte[] their_node_id, InitFeatures their_features, OpenChannel msg);
  35                 /**
  36                  * Handle an incoming accept_channel message from the given peer.
  37                  */
  38                 void handle_accept_channel(byte[] their_node_id, InitFeatures their_features, AcceptChannel msg);
  39                 /**
  40                  * Handle an incoming funding_created message from the given peer.
  41                  */
  42                 void handle_funding_created(byte[] their_node_id, FundingCreated msg);
  43                 /**
  44                  * Handle an incoming funding_signed message from the given peer.
  45                  */
  46                 void handle_funding_signed(byte[] their_node_id, FundingSigned msg);
  47                 /**
  48                  * Handle an incoming funding_locked message from the given peer.
  49                  */
  50                 void handle_funding_locked(byte[] their_node_id, FundingLocked msg);
  51                 /**
  52                  * Handle an incoming shutdown message from the given peer.
  53                  */
  54                 void handle_shutdown(byte[] their_node_id, InitFeatures their_features, Shutdown msg);
  55                 /**
  56                  * Handle an incoming closing_signed message from the given peer.
  57                  */
  58                 void handle_closing_signed(byte[] their_node_id, ClosingSigned msg);
  59                 /**
  60                  * Handle an incoming update_add_htlc message from the given peer.
  61                  */
  62                 void handle_update_add_htlc(byte[] their_node_id, UpdateAddHTLC msg);
  63                 /**
  64                  * Handle an incoming update_fulfill_htlc message from the given peer.
  65                  */
  66                 void handle_update_fulfill_htlc(byte[] their_node_id, UpdateFulfillHTLC msg);
  67                 /**
  68                  * Handle an incoming update_fail_htlc message from the given peer.
  69                  */
  70                 void handle_update_fail_htlc(byte[] their_node_id, UpdateFailHTLC msg);
  71                 /**
  72                  * Handle an incoming update_fail_malformed_htlc message from the given peer.
  73                  */
  74                 void handle_update_fail_malformed_htlc(byte[] their_node_id, UpdateFailMalformedHTLC msg);
  75                 /**
  76                  * Handle an incoming commitment_signed message from the given peer.
  77                  */
  78                 void handle_commitment_signed(byte[] their_node_id, CommitmentSigned msg);
  79                 /**
  80                  * Handle an incoming revoke_and_ack message from the given peer.
  81                  */
  82                 void handle_revoke_and_ack(byte[] their_node_id, RevokeAndACK msg);
  83                 /**
  84                  * Handle an incoming update_fee message from the given peer.
  85                  */
  86                 void handle_update_fee(byte[] their_node_id, UpdateFee msg);
  87                 /**
  88                  * Handle an incoming announcement_signatures message from the given peer.
  89                  */
  90                 void handle_announcement_signatures(byte[] their_node_id, AnnouncementSignatures msg);
  91                 /**
  92                  * Indicates a connection to the peer failed/an existing connection was lost. If no connection
  93                  * is believed to be possible in the future (eg they're sending us messages we don't
  94                  * understand or indicate they require unknown feature bits), no_connection_possible is set
  95                  * and any outstanding channels should be failed.
  96                  */
  97                 void peer_disconnected(byte[] their_node_id, boolean no_connection_possible);
  98                 /**
  99                  * Handle a peer reconnecting, possibly generating channel_reestablish message(s).
 100                  */
 101                 void peer_connected(byte[] their_node_id, Init msg);
 102                 /**
 103                  * Handle an incoming channel_reestablish message from the given peer.
 104                  */
 105                 void handle_channel_reestablish(byte[] their_node_id, ChannelReestablish msg);
 106                 /**
 107                  * Handle an incoming channel update from the given peer.
 108                  */
 109                 void handle_channel_update(byte[] their_node_id, ChannelUpdate msg);
 110                 /**
 111                  * Handle an incoming error message from the given peer.
 112                  */
 113                 void handle_error(byte[] their_node_id, ErrorMessage msg);
 114         }
 115         private static class LDKChannelMessageHandlerHolder { ChannelMessageHandler held; }
 116         public static ChannelMessageHandler new_impl(ChannelMessageHandlerInterface arg, MessageSendEventsProvider.MessageSendEventsProviderInterface MessageSendEventsProvider_impl) {
 117                 final LDKChannelMessageHandlerHolder impl_holder = new LDKChannelMessageHandlerHolder();
 118                 impl_holder.held = new ChannelMessageHandler(new bindings.LDKChannelMessageHandler() {
 119                         @Override public void handle_open_channel(byte[] their_node_id, long their_features, long msg) {
 120                                 InitFeatures their_features_hu_conv = new InitFeatures(null, their_features);
 121                                 their_features_hu_conv.ptrs_to.add(this);
 122                                 OpenChannel msg_hu_conv = new OpenChannel(null, msg);
 123                                 arg.handle_open_channel(their_node_id, their_features_hu_conv, msg_hu_conv);
 124                         }
 125                         @Override public void handle_accept_channel(byte[] their_node_id, long their_features, long msg) {
 126                                 InitFeatures their_features_hu_conv = new InitFeatures(null, their_features);
 127                                 their_features_hu_conv.ptrs_to.add(this);
 128                                 AcceptChannel msg_hu_conv = new AcceptChannel(null, msg);
 129                                 arg.handle_accept_channel(their_node_id, their_features_hu_conv, msg_hu_conv);
 130                         }
 131                         @Override public void handle_funding_created(byte[] their_node_id, long msg) {
 132                                 FundingCreated msg_hu_conv = new FundingCreated(null, msg);
 133                                 arg.handle_funding_created(their_node_id, msg_hu_conv);
 134                         }
 135                         @Override public void handle_funding_signed(byte[] their_node_id, long msg) {
 136                                 FundingSigned msg_hu_conv = new FundingSigned(null, msg);
 137                                 arg.handle_funding_signed(their_node_id, msg_hu_conv);
 138                         }
 139                         @Override public void handle_funding_locked(byte[] their_node_id, long msg) {
 140                                 FundingLocked msg_hu_conv = new FundingLocked(null, msg);
 141                                 arg.handle_funding_locked(their_node_id, msg_hu_conv);
 142                         }
 143                         @Override public void handle_shutdown(byte[] their_node_id, long their_features, long msg) {
 144                                 InitFeatures their_features_hu_conv = new InitFeatures(null, their_features);
 145                                 Shutdown msg_hu_conv = new Shutdown(null, msg);
 146                                 arg.handle_shutdown(their_node_id, their_features_hu_conv, msg_hu_conv);
 147                         }
 148                         @Override public void handle_closing_signed(byte[] their_node_id, long msg) {
 149                                 ClosingSigned msg_hu_conv = new ClosingSigned(null, msg);
 150                                 arg.handle_closing_signed(their_node_id, msg_hu_conv);
 151                         }
 152                         @Override public void handle_update_add_htlc(byte[] their_node_id, long msg) {
 153                                 UpdateAddHTLC msg_hu_conv = new UpdateAddHTLC(null, msg);
 154                                 arg.handle_update_add_htlc(their_node_id, msg_hu_conv);
 155                         }
 156                         @Override public void handle_update_fulfill_htlc(byte[] their_node_id, long msg) {
 157                                 UpdateFulfillHTLC msg_hu_conv = new UpdateFulfillHTLC(null, msg);
 158                                 arg.handle_update_fulfill_htlc(their_node_id, msg_hu_conv);
 159                         }
 160                         @Override public void handle_update_fail_htlc(byte[] their_node_id, long msg) {
 161                                 UpdateFailHTLC msg_hu_conv = new UpdateFailHTLC(null, msg);
 162                                 arg.handle_update_fail_htlc(their_node_id, msg_hu_conv);
 163                         }
 164                         @Override public void handle_update_fail_malformed_htlc(byte[] their_node_id, long msg) {
 165                                 UpdateFailMalformedHTLC msg_hu_conv = new UpdateFailMalformedHTLC(null, msg);
 166                                 arg.handle_update_fail_malformed_htlc(their_node_id, msg_hu_conv);
 167                         }
 168                         @Override public void handle_commitment_signed(byte[] their_node_id, long msg) {
 169                                 CommitmentSigned msg_hu_conv = new CommitmentSigned(null, msg);
 170                                 arg.handle_commitment_signed(their_node_id, msg_hu_conv);
 171                         }
 172                         @Override public void handle_revoke_and_ack(byte[] their_node_id, long msg) {
 173                                 RevokeAndACK msg_hu_conv = new RevokeAndACK(null, msg);
 174                                 arg.handle_revoke_and_ack(their_node_id, msg_hu_conv);
 175                         }
 176                         @Override public void handle_update_fee(byte[] their_node_id, long msg) {
 177                                 UpdateFee msg_hu_conv = new UpdateFee(null, msg);
 178                                 arg.handle_update_fee(their_node_id, msg_hu_conv);
 179                         }
 180                         @Override public void handle_announcement_signatures(byte[] their_node_id, long msg) {
 181                                 AnnouncementSignatures msg_hu_conv = new AnnouncementSignatures(null, msg);
 182                                 arg.handle_announcement_signatures(their_node_id, msg_hu_conv);
 183                         }
 184                         @Override public void peer_disconnected(byte[] their_node_id, boolean no_connection_possible) {
 185                                 arg.peer_disconnected(their_node_id, no_connection_possible);
 186                         }
 187                         @Override public void peer_connected(byte[] their_node_id, long msg) {
 188                                 Init msg_hu_conv = new Init(null, msg);
 189                                 arg.peer_connected(their_node_id, msg_hu_conv);
 190                         }
 191                         @Override public void handle_channel_reestablish(byte[] their_node_id, long msg) {
 192                                 ChannelReestablish msg_hu_conv = new ChannelReestablish(null, msg);
 193                                 arg.handle_channel_reestablish(their_node_id, msg_hu_conv);
 194                         }
 195                         @Override public void handle_channel_update(byte[] their_node_id, long msg) {
 196                                 ChannelUpdate msg_hu_conv = new ChannelUpdate(null, msg);
 197                                 arg.handle_channel_update(their_node_id, msg_hu_conv);
 198                         }
 199                         @Override public void handle_error(byte[] their_node_id, long msg) {
 200                                 ErrorMessage msg_hu_conv = new ErrorMessage(null, msg);
 201                                 arg.handle_error(their_node_id, msg_hu_conv);
 202                         }
 203                 }, MessageSendEventsProvider.new_impl(MessageSendEventsProvider_impl).bindings_instance);
 204                 return impl_holder.held;
 205         }
 206
 207         /**
 208          * Gets the underlying MessageSendEventsProvider.
 209          */
 210         public MessageSendEventsProvider get_message_send_events_provider() {
 211                 MessageSendEventsProvider res = new MessageSendEventsProvider(null, bindings.LDKChannelMessageHandler_get_MessageSendEventsProvider(this.ptr));
 212                 this.ptrs_to.add(res);
 213                 return res;
 214         }
 215
 216         /**
 217          * Handle an incoming open_channel message from the given peer.
 218          */
 219         public void handle_open_channel(byte[] their_node_id, InitFeatures their_features, OpenChannel msg) {
 220                 bindings.ChannelMessageHandler_handle_open_channel(this.ptr, their_node_id, their_features == null ? 0 : their_features.ptr & ~1, msg == null ? 0 : msg.ptr & ~1);
 221                 this.ptrs_to.add(their_features);
 222                 this.ptrs_to.add(msg);
 223         }
 224
 225         /**
 226          * Handle an incoming accept_channel message from the given peer.
 227          */
 228         public void handle_accept_channel(byte[] their_node_id, InitFeatures their_features, AcceptChannel msg) {
 229                 bindings.ChannelMessageHandler_handle_accept_channel(this.ptr, their_node_id, their_features == null ? 0 : their_features.ptr & ~1, msg == null ? 0 : msg.ptr & ~1);
 230                 this.ptrs_to.add(their_features);
 231                 this.ptrs_to.add(msg);
 232         }
 233
 234         /**
 235          * Handle an incoming funding_created message from the given peer.
 236          */
 237         public void handle_funding_created(byte[] their_node_id, FundingCreated msg) {
 238                 bindings.ChannelMessageHandler_handle_funding_created(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
 239                 this.ptrs_to.add(msg);
 240         }
 241
 242         /**
 243          * Handle an incoming funding_signed message from the given peer.
 244          */
 245         public void handle_funding_signed(byte[] their_node_id, FundingSigned msg) {
 246                 bindings.ChannelMessageHandler_handle_funding_signed(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
 247                 this.ptrs_to.add(msg);
 248         }
 249
 250         /**
 251          * Handle an incoming funding_locked message from the given peer.
 252          */
 253         public void handle_funding_locked(byte[] their_node_id, FundingLocked msg) {
 254                 bindings.ChannelMessageHandler_handle_funding_locked(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
 255                 this.ptrs_to.add(msg);
 256         }
 257
 258         /**
 259          * Handle an incoming shutdown message from the given peer.
 260          */
 261         public void handle_shutdown(byte[] their_node_id, InitFeatures their_features, Shutdown msg) {
 262                 bindings.ChannelMessageHandler_handle_shutdown(this.ptr, their_node_id, their_features == null ? 0 : their_features.ptr & ~1, msg == null ? 0 : msg.ptr & ~1);
 263                 this.ptrs_to.add(their_features);
 264                 this.ptrs_to.add(msg);
 265         }
 266
 267         /**
 268          * Handle an incoming closing_signed message from the given peer.
 269          */
 270         public void handle_closing_signed(byte[] their_node_id, ClosingSigned msg) {
 271                 bindings.ChannelMessageHandler_handle_closing_signed(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
 272                 this.ptrs_to.add(msg);
 273         }
 274
 275         /**
 276          * Handle an incoming update_add_htlc message from the given peer.
 277          */
 278         public void handle_update_add_htlc(byte[] their_node_id, UpdateAddHTLC msg) {
 279                 bindings.ChannelMessageHandler_handle_update_add_htlc(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
 280                 this.ptrs_to.add(msg);
 281         }
 282
 283         /**
 284          * Handle an incoming update_fulfill_htlc message from the given peer.
 285          */
 286         public void handle_update_fulfill_htlc(byte[] their_node_id, UpdateFulfillHTLC msg) {
 287                 bindings.ChannelMessageHandler_handle_update_fulfill_htlc(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
 288                 this.ptrs_to.add(msg);
 289         }
 290
 291         /**
 292          * Handle an incoming update_fail_htlc message from the given peer.
 293          */
 294         public void handle_update_fail_htlc(byte[] their_node_id, UpdateFailHTLC msg) {
 295                 bindings.ChannelMessageHandler_handle_update_fail_htlc(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
 296                 this.ptrs_to.add(msg);
 297         }
 298
 299         /**
 300          * Handle an incoming update_fail_malformed_htlc message from the given peer.
 301          */
 302         public void handle_update_fail_malformed_htlc(byte[] their_node_id, UpdateFailMalformedHTLC msg) {
 303                 bindings.ChannelMessageHandler_handle_update_fail_malformed_htlc(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
 304                 this.ptrs_to.add(msg);
 305         }
 306
 307         /**
 308          * Handle an incoming commitment_signed message from the given peer.
 309          */
 310         public void handle_commitment_signed(byte[] their_node_id, CommitmentSigned msg) {
 311                 bindings.ChannelMessageHandler_handle_commitment_signed(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
 312                 this.ptrs_to.add(msg);
 313         }
 314
 315         /**
 316          * Handle an incoming revoke_and_ack message from the given peer.
 317          */
 318         public void handle_revoke_and_ack(byte[] their_node_id, RevokeAndACK msg) {
 319                 bindings.ChannelMessageHandler_handle_revoke_and_ack(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
 320                 this.ptrs_to.add(msg);
 321         }
 322
 323         /**
 324          * Handle an incoming update_fee message from the given peer.
 325          */
 326         public void handle_update_fee(byte[] their_node_id, UpdateFee msg) {
 327                 bindings.ChannelMessageHandler_handle_update_fee(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
 328                 this.ptrs_to.add(msg);
 329         }
 330
 331         /**
 332          * Handle an incoming announcement_signatures message from the given peer.
 333          */
 334         public void handle_announcement_signatures(byte[] their_node_id, AnnouncementSignatures msg) {
 335                 bindings.ChannelMessageHandler_handle_announcement_signatures(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
 336                 this.ptrs_to.add(msg);
 337         }
 338
 339         /**
 340          * Indicates a connection to the peer failed/an existing connection was lost. If no connection
 341          * is believed to be possible in the future (eg they're sending us messages we don't
 342          * understand or indicate they require unknown feature bits), no_connection_possible is set
 343          * and any outstanding channels should be failed.
 344          */
 345         public void peer_disconnected(byte[] their_node_id, boolean no_connection_possible) {
 346                 bindings.ChannelMessageHandler_peer_disconnected(this.ptr, their_node_id, no_connection_possible);
 347         }
 348
 349         /**
 350          * Handle a peer reconnecting, possibly generating channel_reestablish message(s).
 351          */
 352         public void peer_connected(byte[] their_node_id, Init msg) {
 353                 bindings.ChannelMessageHandler_peer_connected(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
 354                 this.ptrs_to.add(msg);
 355         }
 356
 357         /**
 358          * Handle an incoming channel_reestablish message from the given peer.
 359          */
 360         public void handle_channel_reestablish(byte[] their_node_id, ChannelReestablish msg) {
 361                 bindings.ChannelMessageHandler_handle_channel_reestablish(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
 362                 this.ptrs_to.add(msg);
 363         }
 364
 365         /**
 366          * Handle an incoming channel update from the given peer.
 367          */
 368         public void handle_channel_update(byte[] their_node_id, ChannelUpdate msg) {
 369                 bindings.ChannelMessageHandler_handle_channel_update(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
 370                 this.ptrs_to.add(msg);
 371         }
 372
 373         /**
 374          * Handle an incoming error message from the given peer.
 375          */
 376         public void handle_error(byte[] their_node_id, ErrorMessage msg) {
 377                 bindings.ChannelMessageHandler_handle_error(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
 378                 this.ptrs_to.add(msg);
 379         }
 380
 381 }