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