_ 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;
  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                         return data.length;
 232                 },
 233                 disconnect_socket(): void {
 234                         assert(false);
 235                 },
 236                 eq(other: ldk.SocketDescriptor): boolean {
 237                         return other.hash() == this.hash();
 238                 },
 239                 hash(): bigint {
 240                         return BigInt(1);
 241                 }
 242         } as ldk.SocketDescriptorInterface);
 243         sock_b = ldk.SocketDescriptor.new_impl({
 244                 send_data(data: Uint8Array, resume_read: boolean): number {
 245                         assert(pm_a.read_event(sock_a, data) instanceof ldk.Result_boolPeerHandleErrorZ_OK);
 246                         return data.length;
 247                 },
 248                 disconnect_socket(): void {
 249                         assert(false);
 250                 },
 251                 eq(other: ldk.SocketDescriptor): boolean {
 252                         return other.hash() == this.hash();
 253                 },
 254                 hash(): bigint {
 255                         return BigInt(2);
 256                 }
 257         } as ldk.SocketDescriptorInterface);
 258
 259         const update_fut = a.chan_man.get_persistable_update_future();
 260         var update_done = false;
 261         update_fut.register_callback_fn(ldk.FutureCallback.new_impl({
 262                 call(): void { update_done = true; }
 263         }));
 264         if (update_done) return false;
 265
 266         const v4_netaddr = ldk.NetAddress.constructor_ipv4(Uint8Array.from([42,0,42,1]), 9735);
 267         assert(pm_b.new_inbound_connection(sock_b, ldk.Option_NetAddressZ.constructor_some(v4_netaddr)) instanceof ldk.Result_NonePeerHandleErrorZ_OK);
 268         const init_bytes = pm_a.new_outbound_connection(b.node_id, sock_a, ldk.Option_NetAddressZ.constructor_none());
 269         if (!(init_bytes instanceof ldk.Result_CVec_u8ZPeerHandleErrorZ_OK)) return false;
 270         assert(pm_b.read_event(sock_b, init_bytes.res) instanceof ldk.Result_boolPeerHandleErrorZ_OK);
 271
 272         assert(pm_a.get_peer_node_ids().length == 0);
 273         assert(pm_b.get_peer_node_ids().length == 0);
 274
 275         pm_b.process_events();
 276         pm_a.process_events();
 277         pm_b.process_events();
 278
 279         assert(pm_a.get_peer_node_ids().length == 1);
 280         assert(pm_b.get_peer_node_ids().length == 1);
 281
 282         const chan_create_res = a.chan_man.create_channel(b.node_id, BigInt(1000000), BigInt(400), BigInt(0), ldk.UserConfig.constructor_default());
 283         if (!chan_create_res.is_ok()) return false;
 284         if (!update_done) return false;
 285
 286         pm_a.process_events();
 287         pm_b.process_events();
 288
 289         const event = get_event(a.chan_man);
 290         if (!(event instanceof ldk.Event_FundingGenerationReady)) return false;
 291
 292         return true;
 293 });
 294
 295 tests.push(async () => {
 296         // Test passing onion messages through a custom trait implementation.
 297         const a = get_chanman();
 298         const b = get_chanman();
 299
 300         const ignorer = ldk.IgnoringMessageHandler.constructor_new();
 301
 302         var a_handled_msg = false;
 303         const om_handler_a = ldk.CustomOnionMessageHandler.new_impl({
 304                 read_custom_message(message_type: bigint, buffer: Uint8Array): ldk.Result_COption_CustomOnionMessageContentsZDecodeErrorZ {
 305                         assert(message_type == 4343n);
 306                         assert(buffer.length == 44);
 307                         for (var i = 0; i < 44; i++) assert(buffer[i] == 67);
 308                         return ldk.Result_COption_CustomOnionMessageContentsZDecodeErrorZ.constructor_ok(ldk.Option_CustomOnionMessageContentsZ.constructor_some(ldk.CustomOnionMessageContents.new_impl({
 309                                 tlv_type(): bigint { return 9998n; },
 310                                 write(): Uint8Array { assert(false); return null; }
 311                         } as ldk.CustomOnionMessageContentsInterface)));
 312                 },
 313                 handle_custom_message(msg: ldk.CustomOnionMessageContents) {
 314                         assert(msg.tlv_type() == 9998n);
 315                         a_handled_msg = true;
 316                 },
 317         } as ldk.CustomOnionMessageHandlerInterface);
 318
 319         const underlying_om_a = ldk.OnionMessenger.constructor_new(a.keys_interface, a.logger, om_handler_a);
 320         const om_provider_a = {
 321                 next_onion_message_for_peer(peer_node_id: Uint8Array): ldk.OnionMessage {
 322                         return underlying_om_a.as_OnionMessageProvider().next_onion_message_for_peer(peer_node_id);
 323                 }
 324         } as ldk.OnionMessageProviderInterface;
 325         const om_a = ldk.OnionMessageHandler.new_impl({
 326                 handle_onion_message(peer_node_id: Uint8Array, msg: ldk.OnionMessage) {
 327                         underlying_om_a.as_OnionMessageHandler().handle_onion_message(peer_node_id, msg);
 328                 },
 329                 peer_connected(their_node_id: Uint8Array, init: ldk.Init): ldk.Result_NoneNoneZ {
 330                         return underlying_om_a.as_OnionMessageHandler().peer_connected(their_node_id, init)
 331                 },
 332                 peer_disconnected(their_node_id: Uint8Array, no_connection_possible: boolean) {
 333                         underlying_om_a.as_OnionMessageHandler().peer_disconnected(their_node_id, no_connection_possible);
 334                 },
 335                 provided_node_features(): ldk.NodeFeatures {
 336                         return underlying_om_a.as_OnionMessageHandler().provided_node_features();
 337                 },
 338                 provided_init_features(their_node_id: Uint8Array): ldk.InitFeatures {
 339                         return underlying_om_a.as_OnionMessageHandler().provided_init_features(their_node_id);
 340                 }
 341         } as ldk.OnionMessageHandlerInterface, om_provider_a);
 342
 343         var b_handled_msg = false;
 344         const om_handler_b = ldk.CustomOnionMessageHandler.new_impl({
 345                 read_custom_message(message_type: bigint, buffer: Uint8Array): ldk.Result_COption_CustomOnionMessageContentsZDecodeErrorZ {
 346                         assert(message_type == 4242n);
 347                         assert(buffer.length == 43);
 348                         for (var i = 0; i < 43; i++) assert(buffer[i] == 66);
 349                         return ldk.Result_COption_CustomOnionMessageContentsZDecodeErrorZ.constructor_ok(ldk.Option_CustomOnionMessageContentsZ.constructor_some(ldk.CustomOnionMessageContents.new_impl({
 350                                 tlv_type(): bigint { return 9999n; },
 351                                 write(): Uint8Array { assert(false); return null; }
 352                         } as ldk.CustomOnionMessageContentsInterface)));
 353                 },
 354                 handle_custom_message(msg: ldk.CustomOnionMessageContents) {
 355                         assert(msg.tlv_type() == 9999n);
 356                         b_handled_msg = true;
 357                 },
 358         } as ldk.CustomOnionMessageHandlerInterface);
 359         const om_b = ldk.OnionMessenger.constructor_new(b.keys_interface, b.logger, om_handler_b);
 360
 361         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());
 362         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());
 363
 364         var sock_b: ldk.SocketDescriptor;
 365         const sock_a = ldk.SocketDescriptor.new_impl({
 366                 send_data(data: Uint8Array, resume_read: boolean): number {
 367                         assert(pm_b.read_event(sock_b, data) instanceof ldk.Result_boolPeerHandleErrorZ_OK);
 368                         return data.length;
 369                 },
 370                 disconnect_socket(): void {
 371                         assert(false);
 372                 },
 373                 eq(other: ldk.SocketDescriptor): boolean {
 374                         return other.hash() == this.hash();
 375                 },
 376                 hash(): bigint {
 377                         return BigInt(1);
 378                 }
 379         } as ldk.SocketDescriptorInterface);
 380         sock_b = ldk.SocketDescriptor.new_impl({
 381                 send_data(data: Uint8Array, resume_read: boolean): number {
 382                         assert(pm_a.read_event(sock_a, data) instanceof ldk.Result_boolPeerHandleErrorZ_OK);
 383                         return data.length;
 384                 },
 385                 disconnect_socket(): void {
 386                         assert(false);
 387                 },
 388                 eq(other: ldk.SocketDescriptor): boolean {
 389                         return other.hash() == this.hash();
 390                 },
 391                 hash(): bigint {
 392                         return BigInt(2);
 393                 }
 394         } as ldk.SocketDescriptorInterface);
 395
 396         const v4_netaddr = ldk.NetAddress.constructor_ipv4(Uint8Array.from([42,0,42,1]), 9735);
 397         assert(pm_b.new_inbound_connection(sock_b, ldk.Option_NetAddressZ.constructor_some(v4_netaddr)) instanceof ldk.Result_NonePeerHandleErrorZ_OK);
 398         const init_bytes = pm_a.new_outbound_connection(b.node_id, sock_a, ldk.Option_NetAddressZ.constructor_none());
 399         if (!(init_bytes instanceof ldk.Result_CVec_u8ZPeerHandleErrorZ_OK)) return false;
 400         assert(pm_b.read_event(sock_b, init_bytes.res) instanceof ldk.Result_boolPeerHandleErrorZ_OK);
 401
 402         assert(pm_a.get_peer_node_ids().length == 0);
 403         assert(pm_b.get_peer_node_ids().length == 0);
 404
 405         pm_b.process_events();
 406         pm_a.process_events();
 407         pm_b.process_events();
 408
 409         assert(pm_a.get_peer_node_ids().length == 1);
 410         assert(pm_b.get_peer_node_ids().length == 1);
 411
 412         underlying_om_a.send_custom_onion_message([], ldk.Destination.constructor_node(b.node_id), ldk.CustomOnionMessageContents.new_impl({
 413                         tlv_type(): bigint { return 4242n; },
 414                         write(): Uint8Array {
 415                                 const ret = new Uint8Array(43);
 416                                 for (var i = 0; i < 43; i++) ret[i] = 66;
 417                                 return ret;
 418                         }
 419                 } as ldk.CustomOnionMessageContentsInterface), null);
 420         pm_a.process_events();
 421         assert(b_handled_msg);
 422
 423         om_b.send_custom_onion_message([], ldk.Destination.constructor_node(a.node_id), ldk.CustomOnionMessageContents.new_impl({
 424                         tlv_type(): bigint { return 4343n; },
 425                         write(): Uint8Array {
 426                                 const ret = new Uint8Array(44);
 427                                 for (var i = 0; i < 44; i++) ret[i] = 67;
 428                                 return ret;
 429                         }
 430                 } as ldk.CustomOnionMessageContentsInterface), null);
 431         pm_b.process_events();
 432         assert(a_handled_msg);
 433
 434         return true;
 435 });
 436
 437 tests.push(async () => {
 438         // Test that we can do basic locking of a NetworkGraph
 439         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]);
 440         const logger = ldk.Logger.new_impl({
 441                 log(record: ldk.Record): void {
 442                         if (record.get_level() != ldk.Level.LDKLevel_Gossip)
 443                                 console.log(record.get_module_path() + ": " + record.get_args());
 444                 }
 445         } as ldk.LoggerInterface);
 446         const network_graph = ldk.NetworkGraph.constructor_new(genesis_hash, logger);
 447         const graph_lock_1 = network_graph.read_only();
 448         graph_lock_1.free();
 449         const graph_lock_2 = network_graph.read_only();
 450         graph_lock_2.free();
 451
 452         return true;
 453 });
 454
 455 async function run_tests(check_leaks: boolean) {
 456         var test_runs = [];
 457         for (const test of tests) {
 458                 test_runs.push(test());
 459         }
 460         const results = await Promise.all(test_runs);
 461         console.log("test results: " + results);
 462         const result = results.every((v) => { return v === true });
 463         console.log("all tests passed: " + result);
 464         if (result !== true || !check_leaks) { return result; }
 465
 466         const allocs_finished = new Promise((resolve, reject) => {
 467                 var loop_count = 0;
 468                 const interval_id = setInterval(() => {
 469                         const alloc_count = rawldk.getRemainingAllocationCount();
 470                         if (loop_count % 20 == 0)
 471                                 console.log("Remaining LDK allocation count: " + alloc_count);
 472
 473                         // chromium with --js-flags="--expose-gc" exposes a `window.gc()` which we call if we can
 474                         // @ts-ignore window.gc is considered a type error in TS
 475                         if (typeof window !== "undefined" && typeof window.gc !== "undefined") window.gc();
 476
 477                         // Note that there are currently 9 leaks in the above tests. At least some are known - look for XXX in bindings.c
 478                         if (alloc_count <= 10) { clearInterval(interval_id); rawldk.debugPrintRemainingAllocs(); resolve(true); }
 479                         loop_count += 1;
 480                         if (loop_count > 30*2) { clearInterval(interval_id); rawldk.debugPrintRemainingAllocs(); resolve(false); }
 481                 }, 500);
 482         });
 483         return allocs_finished;
 484 }
 485
 486 export async function run_tests_web(wasm_path: string, check_leaks: boolean = true) {
 487         await ldk.initializeWasmWebFetch(wasm_path);
 488         return await run_tests(check_leaks);
 489 }
 490
 491 export async function run_tests_node(wasm_file: Uint8Array, check_leaks: boolean = true) {
 492         await ldk.initializeWasmFromBinary(wasm_file);
 493         return await run_tests(check_leaks);
 494 }