_ Git - ldk-java/blob - ts/test/tests.mts

   1 import * as rawldk from "../bindings.mjs";
   2 import * as ldk from "../index.mjs";
   3
   4 const tests: Array<Function> = [];
   5
   6 function assert(val: boolean) {
   7         if (!val) throw new Error("Assertion failed");
   8 }
   9 function array_eq(a: Uint8Array, b: Uint8Array): boolean {
  10         return a.length == b.length && a.every((v, idx) => v == b[idx]);
  11 }
  12
  13 tests.push(async () => {
  14         const result = rawldk.CResult_boolLightningErrorZ_ok(true);
  15         assert(rawldk.CResult_boolLightningErrorZ_is_ok(result));
  16         assert(rawldk.CResult_boolLightningErrorZ_get_ok(result));
  17         rawldk.CResult_boolLightningErrorZ_free(result);
  18         const second_res = rawldk.CResult_boolLightningErrorZ_ok(false);
  19         assert(rawldk.CResult_boolLightningErrorZ_is_ok(second_res));
  20         assert(!rawldk.CResult_boolLightningErrorZ_get_ok(second_res));
  21         rawldk.CResult_boolLightningErrorZ_free(second_res);
  22
  23         return true;
  24 });
  25
  26 tests.push(async () => {
  27         const ping = ldk.Ping.constructor_new(10, 2);
  28         const new_ping = ldk.Ping.constructor_read(ping.write());
  29         if (!(new_ping instanceof ldk.Result_PingDecodeErrorZ_OK)) return false;
  30         if (!new_ping.is_ok()) return false;
  31         if (new_ping.res.get_byteslen() != 2) return false;
  32         if (new_ping.res.get_ponglen() != 10) return false;
  33         return true;
  34 });
  35
  36 tests.push(async () => {
  37         const outpoint = ldk.OutPoint.constructor_new(new Uint8Array(32), 4);
  38         const read_outpoint = ldk.OutPoint.constructor_read(outpoint.write());
  39         if (!(read_outpoint instanceof ldk.Result_OutPointDecodeErrorZ_OK)) return false;
  40         if (!read_outpoint.res.eq(outpoint)) return false;
  41         if (read_outpoint.res.hash() != outpoint.hash()) return false;
  42         const chan_id = read_outpoint.res.to_channel_id();
  43         if (chan_id.length != 32) return false;
  44         if (chan_id[31] != 4) return false;
  45         return true;
  46 });
  47
  48 tests.push(async () => {
  49         const outpoint = ldk.OutPoint.constructor_new(new Uint8Array(32), 4);
  50         const read_outpoint = ldk.OutPoint.constructor_read(outpoint.write());
  51         if (!(read_outpoint instanceof ldk.Result_OutPointDecodeErrorZ_OK)) return false;
  52         if (!read_outpoint.res.eq(outpoint)) return false;
  53         if (read_outpoint.res.hash() != outpoint.hash()) return false;
  54         const chan_id = read_outpoint.res.to_channel_id();
  55         if (chan_id.length != 32) return false;
  56         if (chan_id[31] != 4) return false;
  57         return true;
  58 });
  59
  60 var seed_counter = 0;
  61 class Node {
  62         node_id: Uint8Array;
  63         node_secret: Uint8Array;
  64         constructor(public chan_man: ldk.ChannelManager, public tx_broadcasted: Promise<Uint8Array>,
  65         public logger: ldk.Logger, public keys_interface: ldk.KeysInterface) {
  66                 this.node_id = chan_man.get_our_node_id();
  67                 this.node_secret = (keys_interface.get_node_secret(ldk.Recipient.LDKRecipient_Node) as ldk.Result_SecretKeyNoneZ_OK).res;
  68         }
  69 }
  70 function get_chanman(): Node {
  71         const fee_est = ldk.FeeEstimator.new_impl({
  72                 get_est_sat_per_1000_weight(_confirmation_target: ldk.ConfirmationTarget): number {
  73                         return 253;
  74                 }
  75         } as ldk.FeeEstimatorInterface);
  76         var tx_broadcaster: ldk.BroadcasterInterface;
  77         const tx_broadcasted: Promise<Uint8Array> = new Promise((resolve, _reject) => {
  78                 tx_broadcaster = ldk.BroadcasterInterface.new_impl({
  79                         broadcast_transaction(tx: Uint8Array): void { console.log("Tx Broadcast: " + tx); resolve(tx); }
  80                 } as ldk.BroadcasterInterfaceInterface);
  81         });
  82         const logger = ldk.Logger.new_impl({
  83                 log(record: ldk.Record): void {
  84                         console.log(record.get_module_path() + ": " + record.get_args());
  85                 }
  86         } as ldk.LoggerInterface);
  87
  88         const persister = ldk.Persist.new_impl({
  89                 persist_new_channel(_channel_id: ldk.OutPoint, _data: ldk.ChannelMonitor, _update_id: ldk.MonitorUpdateId): ldk.ChannelMonitorUpdateStatus {
  90                         return ldk.ChannelMonitorUpdateStatus.LDKChannelMonitorUpdateStatus_Completed;
  91                 },
  92                 update_persisted_channel(_channel_id: ldk.OutPoint, _update: ldk.ChannelMonitorUpdate, _data: ldk.ChannelMonitor, _update_id: ldk.MonitorUpdateId): ldk.ChannelMonitorUpdateStatus {
  93                         return ldk.ChannelMonitorUpdateStatus.LDKChannelMonitorUpdateStatus_Completed;
  94                 }
  95         } as ldk.PersistInterface);
  96
  97         const chain_monitor = ldk.ChainMonitor.constructor_new(ldk.Option_FilterZ.constructor_none(), tx_broadcaster!, logger, fee_est, persister);
  98         const chain_watch: ldk.Watch = chain_monitor.as_Watch();
  99
 100         const seed = new Uint8Array(32);
 101         seed.fill(seed_counter);
 102         seed_counter++;
 103         const keys_manager = ldk.KeysManager.constructor_new(seed, BigInt(42), 42);
 104         const keys_interface = keys_manager.as_KeysInterface();
 105         const config = ldk.UserConfig.constructor_default();
 106         const params = ldk.ChainParameters.constructor_new(ldk.Network.LDKNetwork_Testnet, ldk.BestBlock.constructor_from_genesis(ldk.Network.LDKNetwork_Testnet));
 107
 108         const chan_man = ldk.ChannelManager.constructor_new(fee_est, chain_watch, tx_broadcaster!, logger, keys_interface, config, params);
 109         return new Node(chan_man, tx_broadcasted, logger, keys_interface);
 110 }
 111
 112 function exchange_messages(a: ldk.ChannelManager, b: ldk.ChannelManager) {
 113         var found_msgs = true;
 114         while (found_msgs) {
 115                 const as_msgs = a.as_MessageSendEventsProvider().get_and_clear_pending_msg_events();
 116                 const bs_msgs = b.as_MessageSendEventsProvider().get_and_clear_pending_msg_events();
 117                 found_msgs = as_msgs.length != 0 || bs_msgs.length != 0;
 118                 for (var i = 0; i < 2; i++) {
 119                         var to: ldk.ChannelManager; var from: ldk.ChannelManager; var msgs: ldk.MessageSendEvent[];
 120                         if (i == 0) { from = a; to = b; msgs = as_msgs; } else { from = b; to = a; msgs = bs_msgs; }
 121                         for (var j = 0; j < msgs.length; j++) {
 122                                 const msg = msgs[j];
 123                                 if (msg instanceof ldk.MessageSendEvent_SendOpenChannel) {
 124                                         if (!array_eq(msg.node_id, to.get_our_node_id())) return false;
 125                                         const features = from.as_ChannelMessageHandler().provided_init_features(to.get_our_node_id());
 126                                         to.as_ChannelMessageHandler().handle_open_channel(from.get_our_node_id(), features, msg.msg);
 127                                 } else if (msg instanceof ldk.MessageSendEvent_SendAcceptChannel) {
 128                                         if (!array_eq(msg.node_id, to.get_our_node_id())) return false;
 129                                         const features = from.as_ChannelMessageHandler().provided_init_features(to.get_our_node_id());
 130                                         to.as_ChannelMessageHandler().handle_accept_channel(from.get_our_node_id(), features, msg.msg);
 131                                 } else if (msg instanceof ldk.MessageSendEvent_SendFundingCreated) {
 132                                         if (!array_eq(msg.node_id, to.get_our_node_id())) return false;
 133                                         to.as_ChannelMessageHandler().handle_funding_created(from.get_our_node_id(), msg.msg);
 134                                 } else if (msg instanceof ldk.MessageSendEvent_SendFundingSigned) {
 135                                         if (!array_eq(msg.node_id, to.get_our_node_id())) return false;
 136                                         to.as_ChannelMessageHandler().handle_funding_signed(from.get_our_node_id(), msg.msg);
 137                                 } else {
 138                                         return false;
 139                                 }
 140                         }
 141                 }
 142         }
 143         return true;
 144 }
 145
 146 function assign_u64(arr: Uint8Array, offset: number, value: bigint) {
 147         arr[offset + 0] = Number((value >> BigInt(8 * 0)) & BigInt(0xff));
 148         arr[offset + 1] = Number((value >> BigInt(8 * 1)) & BigInt(0xff));
 149         arr[offset + 2] = Number((value >> BigInt(8 * 2)) & BigInt(0xff));
 150         arr[offset + 3] = Number((value >> BigInt(8 * 3)) & BigInt(0xff));
 151         arr[offset + 4] = Number((value >> BigInt(8 * 4)) & BigInt(0xff));
 152         arr[offset + 5] = Number((value >> BigInt(8 * 5)) & BigInt(0xff));
 153         arr[offset + 6] = Number((value >> BigInt(8 * 6)) & BigInt(0xff));
 154         arr[offset + 7] = Number((value >> BigInt(8 * 7)) & BigInt(0xff));
 155 }
 156
 157 function get_event(chan_man: ldk.ChannelManager): ldk.Event {
 158         const events: Array<ldk.Event> = [];
 159         const event_handler = ldk.EventHandler.new_impl({
 160                 handle_event(event: ldk.Event): void {
 161                         events.push(event);
 162                 }
 163         } as ldk.EventHandlerInterface);
 164
 165         chan_man.as_EventsProvider().process_pending_events(event_handler);
 166         assert(events.length == 1);
 167         return events[0]!;
 168 }
 169
 170 tests.push(async () => {
 171         const a = get_chanman();
 172         const b = get_chanman();
 173
 174         const features = a.chan_man.as_ChannelMessageHandler().provided_init_features(b.chan_man.get_our_node_id());
 175
 176         a.chan_man.as_ChannelMessageHandler().peer_connected(b.chan_man.get_our_node_id(), ldk.Init.constructor_new(features, ldk.Option_NetAddressZ.constructor_none()));
 177         b.chan_man.as_ChannelMessageHandler().peer_connected(a.chan_man.get_our_node_id(), ldk.Init.constructor_new(features, ldk.Option_NetAddressZ.constructor_none()));
 178
 179         const chan_create_err = a.chan_man.create_channel(b.chan_man.get_our_node_id(), BigInt(0), BigInt(400), BigInt(0), ldk.UserConfig.constructor_default());
 180         if (chan_create_err.is_ok()) return false;
 181         if (!(chan_create_err instanceof ldk.Result__u832APIErrorZ_Err)) return false;
 182         if (!(chan_create_err.err instanceof ldk.APIError_APIMisuseError)) return false;
 183         if (chan_create_err.err.err != "Channel value must be at least 1000 satoshis. It was 0") return false;
 184
 185         const chan_create_res = a.chan_man.create_channel(b.chan_man.get_our_node_id(), BigInt(1000000), BigInt(400), BigInt(0), ldk.UserConfig.constructor_default());
 186         if (!chan_create_res.is_ok()) return false;
 187
 188         if (!exchange_messages(a.chan_man, b.chan_man)) return false;
 189
 190         const event = get_event(a.chan_man) as ldk.Event_FundingGenerationReady;
 191
 192         // (very) manually create a funding transaction
 193         const witness_pos = event.output_script.length + 58;
 194         const funding_tx = new Uint8Array(witness_pos + 7);
 195         funding_tx[0] = 2; // 4-byte tx version 2
 196         funding_tx[4] = 0; funding_tx[5] = 1; // segwit magic bytes
 197         funding_tx[6] = 1; // 1-byte input count 1
 198         // 36 bytes previous outpoint all-0s
 199         funding_tx[43] = 0; // 1-byte input script length 0
 200         funding_tx[44] = 0xff; funding_tx[45] = 0xff; funding_tx[46] = 0xff; funding_tx[47] = 0xff; // 4-byte nSequence
 201         funding_tx[48] = 1; // one output
 202         assign_u64(funding_tx, 49, event.channel_value_satoshis);
 203         funding_tx[57] = event.output_script.length; // 1-byte output script length
 204         funding_tx.set(event.output_script, 58);
 205         funding_tx[witness_pos] = 1; funding_tx[witness_pos + 1] = 1; funding_tx[witness_pos + 2] = 0xff; // one witness element of size 1 with contents 0xff
 206         funding_tx[witness_pos + 3] = 0; funding_tx[witness_pos + 4] = 0; funding_tx[witness_pos + 5] = 0; funding_tx[witness_pos + 6] = 0; // lock time 0
 207
 208         const funding_res = a.chan_man.funding_transaction_generated(event.temporary_channel_id, event.counterparty_node_id, funding_tx);
 209         if (!(funding_res instanceof ldk.Result_NoneAPIErrorZ_OK)) return false;
 210
 211         if (!exchange_messages(a.chan_man, b.chan_man)) return false;
 212
 213         const tx_broadcasted: Uint8Array = (await a.tx_broadcasted);
 214         if (!array_eq(tx_broadcasted, funding_tx)) return false;
 215
 216         return true;
 217 });
 218
 219 tests.push(async () => {
 220         const a = get_chanman();
 221         const b = get_chanman();
 222
 223         const ignorer = ldk.IgnoringMessageHandler.constructor_new();
 224         const pm_a = ldk.PeerManager.constructor_new(a.chan_man.as_ChannelMessageHandler(), ignorer.as_RoutingMessageHandler(), ignorer.as_OnionMessageHandler(), a.node_secret, 0xdeadbeef, a.node_secret, a.logger, ignorer.as_CustomMessageHandler());
 225         const pm_b = ldk.PeerManager.constructor_new(b.chan_man.as_ChannelMessageHandler(), ignorer.as_RoutingMessageHandler(), ignorer.as_OnionMessageHandler(), b.node_secret, 0xdeadbeef, b.node_secret, b.logger, ignorer.as_CustomMessageHandler());
 226
 227         var sock_b: ldk.SocketDescriptor;
 228         const sock_a = ldk.SocketDescriptor.new_impl({
 229                 send_data(data: Uint8Array, resume_read: boolean): number {
 230                         assert(pm_b.read_event(sock_b, data) instanceof ldk.Result_boolPeerHandleErrorZ_OK);
 231                         assert(resume_read);
 232                         return data.length;
 233                 },
 234                 disconnect_socket(): void {
 235                         assert(false);
 236                 },
 237                 eq(other: ldk.SocketDescriptor): boolean {
 238                         return other.hash() == this.hash();
 239                 },
 240                 hash(): bigint {
 241                         return BigInt(1);
 242                 }
 243         } as ldk.SocketDescriptorInterface);
 244         sock_b = ldk.SocketDescriptor.new_impl({
 245                 send_data(data: Uint8Array, resume_read: boolean): number {
 246                         assert(pm_a.read_event(sock_a, data) instanceof ldk.Result_boolPeerHandleErrorZ_OK);
 247                         assert(resume_read);
 248                         return data.length;
 249                 },
 250                 disconnect_socket(): void {
 251                         assert(false);
 252                 },
 253                 eq(other: ldk.SocketDescriptor): boolean {
 254                         return other.hash() == this.hash();
 255                 },
 256                 hash(): bigint {
 257                         return BigInt(2);
 258                 }
 259         } as ldk.SocketDescriptorInterface);
 260
 261         const update_fut = a.chan_man.get_persistable_update_future();
 262         var update_done = false;
 263         update_fut.register_callback_fn(ldk.FutureCallback.new_impl({
 264                 call(): void { update_done = true; }
 265         }));
 266         if (update_done) return false;
 267
 268         const v4_netaddr = ldk.NetAddress.constructor_ipv4(Uint8Array.from([42,0,42,1]), 9735);
 269         assert(pm_b.new_inbound_connection(sock_b, ldk.Option_NetAddressZ.constructor_some(v4_netaddr)) instanceof ldk.Result_NonePeerHandleErrorZ_OK);
 270         const init_bytes = pm_a.new_outbound_connection(b.node_id, sock_a, ldk.Option_NetAddressZ.constructor_none());
 271         if (!(init_bytes instanceof ldk.Result_CVec_u8ZPeerHandleErrorZ_OK)) return false;
 272         assert(pm_b.read_event(sock_b, init_bytes.res) instanceof ldk.Result_boolPeerHandleErrorZ_OK);
 273
 274         assert(pm_a.get_peer_node_ids().length == 0);
 275         assert(pm_b.get_peer_node_ids().length == 0);
 276
 277         pm_b.process_events();
 278         pm_a.process_events();
 279         pm_b.process_events();
 280
 281         assert(pm_a.get_peer_node_ids().length == 1);
 282         assert(pm_b.get_peer_node_ids().length == 1);
 283
 284         const chan_create_res = a.chan_man.create_channel(b.node_id, BigInt(1000000), BigInt(400), BigInt(0), ldk.UserConfig.constructor_default());
 285         if (!chan_create_res.is_ok()) return false;
 286         if (!update_done) return false;
 287
 288         pm_a.process_events();
 289         pm_b.process_events();
 290
 291         const event = get_event(a.chan_man);
 292         if (!(event instanceof ldk.Event_FundingGenerationReady)) return false;
 293
 294         return true;
 295 });
 296
 297 tests.push(async () => {
 298         // Test passing onion messages through a custom trait implementation.
 299         const a = get_chanman();
 300         const b = get_chanman();
 301
 302         const ignorer = ldk.IgnoringMessageHandler.constructor_new();
 303
 304         var a_handled_msg = false;
 305         const om_handler_a = ldk.CustomOnionMessageHandler.new_impl({
 306                 read_custom_message(message_type: bigint, buffer: Uint8Array): ldk.Result_COption_CustomOnionMessageContentsZDecodeErrorZ {
 307                         assert(message_type == 4343n);
 308                         assert(buffer.length == 44);
 309                         for (var i = 0; i < 44; i++) assert(buffer[i] == 67);
 310                         return ldk.Result_COption_CustomOnionMessageContentsZDecodeErrorZ.constructor_ok(ldk.Option_CustomOnionMessageContentsZ.constructor_some(ldk.CustomOnionMessageContents.new_impl({
 311                                 tlv_type(): bigint { return 9998n; },
 312                                 write(): Uint8Array { throw new Error(); }
 313                         } as ldk.CustomOnionMessageContentsInterface)));
 314                 },
 315                 handle_custom_message(msg: ldk.CustomOnionMessageContents) {
 316                         assert(msg.tlv_type() == 9998n);
 317                         a_handled_msg = true;
 318                 },
 319         } as ldk.CustomOnionMessageHandlerInterface);
 320
 321         const underlying_om_a = ldk.OnionMessenger.constructor_new(a.keys_interface, a.logger, om_handler_a);
 322         const om_provider_a = {
 323                 next_onion_message_for_peer(peer_node_id: Uint8Array): ldk.OnionMessage {
 324                         return underlying_om_a.as_OnionMessageProvider().next_onion_message_for_peer(peer_node_id);
 325                 }
 326         } as ldk.OnionMessageProviderInterface;
 327         const om_a = ldk.OnionMessageHandler.new_impl({
 328                 handle_onion_message(peer_node_id: Uint8Array, msg: ldk.OnionMessage) {
 329                         underlying_om_a.as_OnionMessageHandler().handle_onion_message(peer_node_id, msg);
 330                 },
 331                 peer_connected(their_node_id: Uint8Array, init: ldk.Init): ldk.Result_NoneNoneZ {
 332                         return underlying_om_a.as_OnionMessageHandler().peer_connected(their_node_id, init)
 333                 },
 334                 peer_disconnected(their_node_id: Uint8Array, no_connection_possible: boolean) {
 335                         underlying_om_a.as_OnionMessageHandler().peer_disconnected(their_node_id, no_connection_possible);
 336                 },
 337                 provided_node_features(): ldk.NodeFeatures {
 338                         return underlying_om_a.as_OnionMessageHandler().provided_node_features();
 339                 },
 340                 provided_init_features(their_node_id: Uint8Array): ldk.InitFeatures {
 341                         return underlying_om_a.as_OnionMessageHandler().provided_init_features(their_node_id);
 342                 }
 343         } as ldk.OnionMessageHandlerInterface, om_provider_a);
 344
 345         var b_handled_msg = false;
 346         const om_handler_b = ldk.CustomOnionMessageHandler.new_impl({
 347                 read_custom_message(message_type: bigint, buffer: Uint8Array): ldk.Result_COption_CustomOnionMessageContentsZDecodeErrorZ {
 348                         assert(message_type == 4242n);
 349                         assert(buffer.length == 43);
 350                         for (var i = 0; i < 43; i++) assert(buffer[i] == 66);
 351                         return ldk.Result_COption_CustomOnionMessageContentsZDecodeErrorZ.constructor_ok(ldk.Option_CustomOnionMessageContentsZ.constructor_some(ldk.CustomOnionMessageContents.new_impl({
 352                                 tlv_type(): bigint { return 9999n; },
 353                                 write(): Uint8Array { throw new Error(); }
 354                         } as ldk.CustomOnionMessageContentsInterface)));
 355                 },
 356                 handle_custom_message(msg: ldk.CustomOnionMessageContents) {
 357                         assert(msg.tlv_type() == 9999n);
 358                         b_handled_msg = true;
 359                 },
 360         } as ldk.CustomOnionMessageHandlerInterface);
 361         const om_b = ldk.OnionMessenger.constructor_new(b.keys_interface, b.logger, om_handler_b);
 362
 363         const pm_a = ldk.PeerManager.constructor_new(a.chan_man.as_ChannelMessageHandler(), ignorer.as_RoutingMessageHandler(), om_a, a.node_secret, 0xdeadbeef, a.node_secret, a.logger, ignorer.as_CustomMessageHandler());
 364         const pm_b = ldk.PeerManager.constructor_new(b.chan_man.as_ChannelMessageHandler(), ignorer.as_RoutingMessageHandler(), om_b.as_OnionMessageHandler(), b.node_secret, 0xdeadbeef, b.node_secret, b.logger, ignorer.as_CustomMessageHandler());
 365
 366         var sock_b: ldk.SocketDescriptor;
 367         const sock_a = ldk.SocketDescriptor.new_impl({
 368                 send_data(data: Uint8Array, resume_read: boolean): number {
 369                         assert(pm_b.read_event(sock_b, data) instanceof ldk.Result_boolPeerHandleErrorZ_OK);
 370                         assert(resume_read);
 371                         return data.length;
 372                 },
 373                 disconnect_socket(): void {
 374                         assert(false);
 375                 },
 376                 eq(other: ldk.SocketDescriptor): boolean {
 377                         return other.hash() == this.hash();
 378                 },
 379                 hash(): bigint {
 380                         return BigInt(1);
 381                 }
 382         } as ldk.SocketDescriptorInterface);
 383         sock_b = ldk.SocketDescriptor.new_impl({
 384                 send_data(data: Uint8Array, resume_read: boolean): number {
 385                         assert(pm_a.read_event(sock_a, data) instanceof ldk.Result_boolPeerHandleErrorZ_OK);
 386                         assert(resume_read);
 387                         return data.length;
 388                 },
 389                 disconnect_socket(): void {
 390                         assert(false);
 391                 },
 392                 eq(other: ldk.SocketDescriptor): boolean {
 393                         return other.hash() == this.hash();
 394                 },
 395                 hash(): bigint {
 396                         return BigInt(2);
 397                 }
 398         } as ldk.SocketDescriptorInterface);
 399
 400         const v4_netaddr = ldk.NetAddress.constructor_ipv4(Uint8Array.from([42,0,42,1]), 9735);
 401         assert(pm_b.new_inbound_connection(sock_b, ldk.Option_NetAddressZ.constructor_some(v4_netaddr)) instanceof ldk.Result_NonePeerHandleErrorZ_OK);
 402         const init_bytes = pm_a.new_outbound_connection(b.node_id, sock_a, ldk.Option_NetAddressZ.constructor_none());
 403         if (!(init_bytes instanceof ldk.Result_CVec_u8ZPeerHandleErrorZ_OK)) return false;
 404         assert(pm_b.read_event(sock_b, init_bytes.res) instanceof ldk.Result_boolPeerHandleErrorZ_OK);
 405
 406         assert(pm_a.get_peer_node_ids().length == 0);
 407         assert(pm_b.get_peer_node_ids().length == 0);
 408
 409         pm_b.process_events();
 410         pm_a.process_events();
 411         pm_b.process_events();
 412
 413         assert(pm_a.get_peer_node_ids().length == 1);
 414         assert(pm_b.get_peer_node_ids().length == 1);
 415
 416         underlying_om_a.send_custom_onion_message([], ldk.Destination.constructor_node(b.node_id), ldk.CustomOnionMessageContents.new_impl({
 417                         tlv_type(): bigint { return 4242n; },
 418                         write(): Uint8Array {
 419                                 const ret = new Uint8Array(43);
 420                                 for (var i = 0; i < 43; i++) ret[i] = 66;
 421                                 return ret;
 422                         }
 423                 } as ldk.CustomOnionMessageContentsInterface), null);
 424         pm_a.process_events();
 425         assert(b_handled_msg);
 426
 427         om_b.send_custom_onion_message([], ldk.Destination.constructor_node(a.node_id), ldk.CustomOnionMessageContents.new_impl({
 428                         tlv_type(): bigint { return 4343n; },
 429                         write(): Uint8Array {
 430                                 const ret = new Uint8Array(44);
 431                                 for (var i = 0; i < 44; i++) ret[i] = 67;
 432                                 return ret;
 433                         }
 434                 } as ldk.CustomOnionMessageContentsInterface), null);
 435         pm_b.process_events();
 436         assert(a_handled_msg);
 437
 438         return true;
 439 });
 440
 441 tests.push(async () => {
 442         // Test that we can do basic locking of a NetworkGraph
 443         const genesis_hash = new Uint8Array([0x00, 0x00, 0x00, 0x00, 0x00, 0x19, 0xd6, 0x68, 0x9c, 0x08, 0x5a, 0xe1, 0x65, 0x83, 0x1e, 0x93, 0x4f, 0xf7, 0x63, 0xae, 0x46, 0xa2, 0xa6, 0xc1, 0x72, 0xb3, 0xf1, 0xb6, 0x0a, 0x8c, 0xe2, 0x6f]);
 444         const logger = ldk.Logger.new_impl({
 445                 log(record: ldk.Record): void {
 446                         if (record.get_level() != ldk.Level.LDKLevel_Gossip)
 447                                 console.log(record.get_module_path() + ": " + record.get_args());
 448                 }
 449         } as ldk.LoggerInterface);
 450         const network_graph = ldk.NetworkGraph.constructor_new(genesis_hash, logger);
 451         const graph_lock_1 = network_graph.read_only();
 452         graph_lock_1.free();
 453         const graph_lock_2 = network_graph.read_only();
 454         graph_lock_2.free();
 455
 456         return true;
 457 });
 458
 459 async function run_tests(check_leaks: boolean) {
 460         var test_runs = [];
 461         for (const test of tests) {
 462                 test_runs.push(test());
 463         }
 464         const results = await Promise.all(test_runs);
 465         console.log("test results: " + results);
 466         const result = results.every((v) => { return v === true });
 467         console.log("all tests passed: " + result);
 468         if (result !== true || !check_leaks) { return result; }
 469
 470         const allocs_finished = new Promise((resolve, _reject) => {
 471                 var loop_count = 0;
 472                 const interval_id = setInterval(() => {
 473                         const alloc_count = rawldk.getRemainingAllocationCount();
 474                         if (loop_count % 20 == 0)
 475                                 console.log("Remaining LDK allocation count: " + alloc_count);
 476
 477                         // chromium with --js-flags="--expose-gc" exposes a `window.gc()` which we call if we can
 478                         // @ts-ignore window.gc is considered a type error in TS
 479                         if (typeof window !== "undefined" && typeof window.gc !== "undefined") window.gc();
 480
 481                         // Note that there are currently 9 leaks in the above tests. At least some are known - look for XXX in bindings.c
 482                         if (alloc_count <= 10) { clearInterval(interval_id); rawldk.debugPrintRemainingAllocs(); resolve(true); }
 483                         loop_count += 1;
 484                         if (loop_count > 30*2) { clearInterval(interval_id); rawldk.debugPrintRemainingAllocs(); resolve(false); }
 485                 }, 500);
 486         });
 487         return allocs_finished;
 488 }
 489
 490 export async function run_tests_web(wasm_path: string, check_leaks: boolean = true) {
 491         await ldk.initializeWasmWebFetch(wasm_path);
 492         return await run_tests(check_leaks);
 493 }
 494
 495 export async function run_tests_node(wasm_file: Uint8Array, check_leaks: boolean = true) {
 496         await ldk.initializeWasmFromBinary(wasm_file);
 497         return await run_tests(check_leaks);
 498 }