_ Git - ldk-java/blob - src/test/java/org/ldk/HumanObjectPeerTest.java

   1 package org.ldk;
   2
   3 import org.bitcoinj.core.*;
   4 import org.bitcoinj.core.Transaction;
   5 import org.bitcoinj.script.Script;
   6 import org.junit.jupiter.api.Test;
   7 import org.ldk.enums.LDKNetwork;
   8 import org.ldk.impl.bindings;
   9 import org.ldk.structs.*;
  10 import org.ldk.util.TwoTuple;
  11
  12 import java.lang.ref.WeakReference;
  13 import java.util.Arrays;
  14 import java.util.HashMap;
  15 import java.util.LinkedList;
  16 import java.util.concurrent.ConcurrentLinkedQueue;
  17
  18 class HumanObjectPeerTestInstance {
  19     class Peer {
  20         KeysInterface manual_keysif(KeysInterface underlying_if) {
  21             return KeysInterface.new_impl(new KeysInterface.KeysInterfaceInterface() {
  22                 @Override
  23                 public byte[] get_node_secret() {
  24                     return underlying_if.get_node_secret();
  25                 }
  26
  27                 @Override
  28                 public byte[] get_destination_script() {
  29                     return underlying_if.get_destination_script();
  30                 }
  31
  32                 @Override
  33                 public byte[] get_shutdown_pubkey() {
  34                     return underlying_if.get_shutdown_pubkey();
  35                 }
  36
  37                 @Override
  38                 public ChannelKeys get_channel_keys(boolean inbound, long channel_value_satoshis) {
  39                     ChannelKeys underlying_ck = underlying_if.get_channel_keys(inbound, channel_value_satoshis);
  40                     ChannelKeys.ChannelKeysInterface cki = new ChannelKeys.ChannelKeysInterface() {
  41                         @Override
  42                         public byte[] get_per_commitment_point(long idx) {
  43                             return underlying_ck.get_per_commitment_point(idx);
  44                         }
  45
  46                         @Override
  47                         public byte[] release_commitment_secret(long idx) {
  48                             return underlying_ck.release_commitment_secret(idx);
  49                         }
  50
  51                         @Override
  52                         public TwoTuple<Long, Long> key_derivation_params() {
  53                             return new TwoTuple<Long, Long>((long)0, (long)1);
  54                         }
  55
  56                         @Override
  57                         public Result_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_counterparty_commitment(int feerate_per_kw, byte[] commitment_tx, PreCalculatedTxCreationKeys keys, HTLCOutputInCommitment[] htlcs) {
  58                             return underlying_ck.sign_counterparty_commitment(feerate_per_kw, commitment_tx, keys, htlcs);
  59                         }
  60
  61                         @Override
  62                         public Result_SignatureNoneZ sign_holder_commitment(HolderCommitmentTransaction holder_commitment_tx) {
  63                             return underlying_ck.sign_holder_commitment(holder_commitment_tx);
  64                         }
  65
  66                         @Override
  67                         public Result_CVec_SignatureZNoneZ sign_holder_commitment_htlc_transactions(HolderCommitmentTransaction holder_commitment_tx) {
  68                             return underlying_ck.sign_holder_commitment_htlc_transactions(holder_commitment_tx);
  69                         }
  70
  71                         @Override
  72                         public Result_SignatureNoneZ sign_justice_transaction(byte[] justice_tx, long input, long amount, byte[] per_commitment_key, HTLCOutputInCommitment htlc) {
  73                             return underlying_ck.sign_justice_transaction(justice_tx, input, amount, per_commitment_key, htlc);
  74                         }
  75
  76                         @Override
  77                         public Result_SignatureNoneZ sign_counterparty_htlc_transaction(byte[] htlc_tx, long input, long amount, byte[] per_commitment_point, HTLCOutputInCommitment htlc) {
  78                             return underlying_ck.sign_counterparty_htlc_transaction(htlc_tx, input, amount, per_commitment_point, htlc);
  79                         }
  80
  81                         @Override
  82                         public Result_SignatureNoneZ sign_closing_transaction(byte[] closing_tx) {
  83                             return underlying_ck.sign_closing_transaction(closing_tx);
  84                         }
  85
  86                         @Override
  87                         public Result_SignatureNoneZ sign_channel_announcement(UnsignedChannelAnnouncement msg) {
  88                             return underlying_ck.sign_channel_announcement(msg);
  89                         }
  90
  91                         @Override
  92                         public void on_accept(ChannelPublicKeys channel_points, short counterparty_selected_contest_delay, short holder_selected_contest_delay) {
  93                             underlying_ck.on_accept(channel_points, counterparty_selected_contest_delay, holder_selected_contest_delay);
  94                         }
  95                     };
  96                     ChannelKeys resp = ChannelKeys.new_impl(cki, underlying_ck.get_pubkeys());
  97                     must_free_objs.add(new WeakReference<>(cki));
  98                     must_free_objs.add(new WeakReference<>(resp));
  99                     must_free_objs.add(new WeakReference<>(underlying_ck));
 100                     return resp;
 101                 }
 102
 103                 @Override
 104                 public byte[] get_secure_random_bytes() {
 105                     return underlying_if.get_secure_random_bytes();
 106                 }
 107             });
 108         }
 109
 110         final Logger logger;
 111         final FeeEstimator fee_estimator;
 112         final BroadcasterInterface tx_broadcaster;
 113         final KeysInterface keys_interface;
 114         final ChannelManager chan_manager;
 115         final EventsProvider chan_manager_events;
 116         final NetGraphMsgHandler router;
 117         final PeerManager peer_manager;
 118         final HashMap<String, ChannelMonitor> monitors; // Wow I forgot just how terrible Java is - we can't put a byte array here.
 119         byte[] node_id;
 120         final LinkedList<byte[]> broadcast_set = new LinkedList<>();
 121
 122         Peer(byte seed, boolean use_km_wrapper) {
 123             logger = Logger.new_impl((String arg) -> System.out.println(seed + ": " + arg));
 124             fee_estimator = FeeEstimator.new_impl((confirmation_target -> 253));
 125             tx_broadcaster = BroadcasterInterface.new_impl(tx -> {
 126                 broadcast_set.add(tx);
 127             });
 128             this.monitors = new HashMap<>();
 129             Watch chain_monitor = Watch.new_impl(new Watch.WatchInterface() {
 130                 public Result_NoneChannelMonitorUpdateErrZ watch_channel(OutPoint funding_txo, ChannelMonitor monitor) {
 131                     synchronized (monitors) {
 132                         assert monitors.put(Arrays.toString(funding_txo.get_txid()), monitor) == null;
 133                     }
 134                     return new Result_NoneChannelMonitorUpdateErrZ.Result_NoneChannelMonitorUpdateErrZ_OK();
 135                 }
 136
 137                 public Result_NoneChannelMonitorUpdateErrZ update_channel(OutPoint funding_txo, ChannelMonitorUpdate update) {
 138                     synchronized (monitors) {
 139                         String txid = Arrays.toString(funding_txo.get_txid());
 140                         assert monitors.containsKey(txid);
 141                         Result_NoneMonitorUpdateErrorZ update_res = monitors.get(txid).update_monitor(update, tx_broadcaster, logger);
 142                         assert update_res instanceof Result_NoneMonitorUpdateErrorZ.Result_NoneMonitorUpdateErrorZ_OK;
 143                     }
 144                     return new Result_NoneChannelMonitorUpdateErrZ.Result_NoneChannelMonitorUpdateErrZ_OK();
 145                 }
 146
 147                 @Override
 148                 public MonitorEvent[] release_pending_monitor_events() {
 149                     synchronized (monitors) {
 150                         assert monitors.size() <= 1;
 151                         for (ChannelMonitor mon : monitors.values()) {
 152                             return mon.get_and_clear_pending_monitor_events();
 153                         }
 154                     }
 155                     return new MonitorEvent[0];
 156                 }
 157             });
 158
 159             byte[] key_seed = new byte[32];
 160             for (byte i = 0; i < 32; i++) {
 161                 key_seed[i] = (byte) (i ^ seed);
 162             }
 163             if (use_km_wrapper) {
 164                 KeysManager underlying = KeysManager.constructor_new(key_seed, LDKNetwork.LDKNetwork_Bitcoin, System.currentTimeMillis() / 1000, (int) (System.currentTimeMillis() * 1000) & 0xffffffff);
 165                 this.keys_interface = manual_keysif(underlying.as_KeysInterface());
 166             } else {
 167                 KeysManager keys = KeysManager.constructor_new(key_seed, LDKNetwork.LDKNetwork_Bitcoin, System.currentTimeMillis() / 1000, (int) (System.currentTimeMillis() * 1000) & 0xffffffff);
 168                 this.keys_interface = keys.as_KeysInterface();
 169             }
 170             this.chan_manager = ChannelManager.constructor_new(LDKNetwork.LDKNetwork_Bitcoin, FeeEstimator.new_impl(confirmation_target -> 0), chain_monitor, tx_broadcaster, logger, this.keys_interface, UserConfig.constructor_default(), 1);
 171             this.node_id = chan_manager.get_our_node_id();
 172             this.chan_manager_events = chan_manager.as_EventsProvider();
 173             this.router = NetGraphMsgHandler.constructor_new(null, logger);
 174
 175             byte[] random_data = new byte[32];
 176             for (byte i = 0; i < 32; i++) {
 177                 random_data[i] = (byte) ((i ^ seed) ^ 0xf0);
 178             }
 179             this.peer_manager = PeerManager.constructor_new(chan_manager.as_ChannelMessageHandler(), router.as_RoutingMessageHandler(), keys_interface.get_node_secret(), random_data, logger);
 180             System.gc();
 181         }
 182
 183         TwoTuple<byte[], TxOut[]>[] connect_block(Block b, int height) {
 184             byte[] header = Arrays.copyOfRange(b.bitcoinSerialize(), 0, 80);
 185             TwoTuple<Long, byte[]>[] txn;
 186             if (b.hasTransactions()) {
 187                 assert b.getTransactions().size() == 1;
 188                 TwoTuple<Long, byte[]> txp = new TwoTuple<>((long) 1, b.getTransactions().get(0).bitcoinSerialize());
 189                 txn = new TwoTuple[]{txp};
 190             } else
 191                 txn = new TwoTuple[0];
 192             chan_manager.block_connected(header, txn, height);
 193             synchronized (monitors) {
 194                 assert monitors.size() == 1;
 195                 for (ChannelMonitor mon : monitors.values()) {
 196                     return mon.block_connected(header, txn, height, tx_broadcaster, fee_estimator, logger);
 197                 }
 198             }
 199             return null;
 200         }
 201
 202         Route get_route(byte[] dest_node, ChannelDetails[] our_chans) {
 203             try (LockedNetworkGraph netgraph = this.router.read_locked_graph()) {
 204                 NetworkGraph graph = netgraph.graph();
 205                 long res = bindings.get_route(this.node_id, graph._test_only_get_ptr(), dest_node, new long[]{our_chans[0]._test_only_get_ptr()},
 206                         new long[0], 1000, 42, this.logger._test_only_get_ptr());
 207                 assert bindings.LDKCResult_RouteLightningErrorZ_result_ok(res);
 208                 byte[] serialized_route = bindings.Route_write(bindings.LDKCResult_RouteLightningErrorZ_get_ok(res));
 209                 must_free_objs.add(new WeakReference<>(serialized_route));
 210                 Route copy = Route.constructor_read(serialized_route);
 211                 bindings.CResult_RouteLightningErrorZ_free(res);
 212                 return copy;
 213             }
 214         }
 215     }
 216
 217     class LongHolder { long val; }
 218
 219     java.util.LinkedList<WeakReference<Object>> must_free_objs = new java.util.LinkedList();
 220
 221     void do_read_event(ConcurrentLinkedQueue<Thread> list, PeerManager pm, long descriptor, byte[] data) {
 222         Thread thread = new Thread(() -> {
 223             long res = bindings.PeerManager_read_event(pm._test_only_get_ptr(), descriptor, data);
 224             assert bindings.LDKCResult_boolPeerHandleErrorZ_result_ok(res);
 225             //assert bindings.deref_bool(bindings.LDKCResult_boolPeerHandleErrorZ_get_inner(res));
 226             bindings.CResult_boolPeerHandleErrorZ_free(res);
 227         });
 228         thread.start();
 229         list.add(thread);
 230         must_free_objs.add(new WeakReference<>(data));
 231     }
 232
 233     boolean gc_ran = false;
 234
 235     class GcCheck {
 236         @Override
 237         protected void finalize() throws Throwable {
 238             gc_ran = true;
 239             super.finalize();
 240         }
 241     }
 242
 243     void do_test_message_handler(boolean nice_close, boolean use_km_wrapper) throws InterruptedException {
 244         GcCheck obj = new GcCheck();
 245         Peer peer1 = new Peer((byte) 1, use_km_wrapper);
 246         Peer peer2 = new Peer((byte) 2, use_km_wrapper);
 247
 248         ConcurrentLinkedQueue<Thread> list = new ConcurrentLinkedQueue<Thread>();
 249         LongHolder descriptor1 = new LongHolder();
 250         LongHolder descriptor1ref = descriptor1;
 251         bindings.LDKSocketDescriptor sock1 = new bindings.LDKSocketDescriptor() {
 252             @Override
 253             public long send_data(byte[] data, boolean resume_read) {
 254                 do_read_event(list, peer1.peer_manager, descriptor1ref.val, data);
 255                 return data.length;
 256             }
 257
 258             @Override public void disconnect_socket() { assert false; }
 259             @Override public boolean eq(long other_arg) { return bindings.LDKSocketDescriptor_get_obj_from_jcalls(other_arg).hash() == 2; }
 260             @Override public long hash() { return 2; }
 261         };
 262         long descriptor2 = bindings.LDKSocketDescriptor_new(sock1);
 263
 264         bindings.LDKSocketDescriptor sock2 = new bindings.LDKSocketDescriptor() {
 265             @Override
 266             public long send_data(byte[] data, boolean resume_read) {
 267                 do_read_event(list, peer2.peer_manager, descriptor2, data);
 268                 return data.length;
 269             }
 270
 271             @Override public void disconnect_socket() { assert false; }
 272             @Override public boolean eq(long other_arg) { return bindings.LDKSocketDescriptor_get_obj_from_jcalls(other_arg).hash() == 1; }
 273             @Override public long hash() { return 1; }
 274         };
 275         descriptor1.val = bindings.LDKSocketDescriptor_new(sock2);
 276
 277         long init_vec = bindings.PeerManager_new_outbound_connection(peer1.peer_manager._test_only_get_ptr(), peer2.node_id, descriptor1.val);
 278         assert (bindings.LDKCResult_CVec_u8ZPeerHandleErrorZ_result_ok(init_vec));
 279
 280         long con_res = bindings.PeerManager_new_inbound_connection(peer2.peer_manager._test_only_get_ptr(), descriptor2);
 281         assert (bindings.LDKCResult_NonePeerHandleErrorZ_result_ok(con_res));
 282         bindings.CResult_NonePeerHandleErrorZ_free(con_res);
 283         do_read_event(list, peer2.peer_manager, descriptor2, bindings.LDKCResult_CVec_u8ZPeerHandleErrorZ_get_ok(init_vec));
 284         bindings.CResult_CVec_u8ZPeerHandleErrorZ_free(init_vec);
 285
 286         while (!list.isEmpty()) { list.poll().join(); }
 287
 288         Result_NoneAPIErrorZ cc_res = peer1.chan_manager.create_channel(peer2.node_id, 10000, 1000, 42, null);
 289         assert cc_res instanceof Result_NoneAPIErrorZ.Result_NoneAPIErrorZ_OK;
 290
 291         peer1.peer_manager.process_events();
 292         while (!list.isEmpty()) { list.poll().join(); }
 293         peer2.peer_manager.process_events();
 294         while (!list.isEmpty()) { list.poll().join(); }
 295
 296         Event[] events = peer1.chan_manager_events.get_and_clear_pending_events();
 297         assert events.length == 1;
 298         assert events[0] instanceof Event.FundingGenerationReady;
 299         assert ((Event.FundingGenerationReady) events[0]).channel_value_satoshis == 10000;
 300         assert ((Event.FundingGenerationReady) events[0]).user_channel_id == 42;
 301         byte[] funding_spk = ((Event.FundingGenerationReady) events[0]).output_script;
 302         assert funding_spk.length == 34 && funding_spk[0] == 0 && funding_spk[1] == 32; // P2WSH
 303         byte[] chan_id = ((Event.FundingGenerationReady) events[0]).temporary_channel_id;
 304
 305         NetworkParameters bitcoinj_net = NetworkParameters.fromID(NetworkParameters.ID_MAINNET);
 306
 307         Transaction funding = new Transaction(bitcoinj_net);
 308         funding.addInput(new TransactionInput(bitcoinj_net, funding, new byte[0]));
 309         funding.getInputs().get(0).setWitness(new TransactionWitness(2)); // Make sure we don't complain about lack of witness
 310         funding.getInput(0).getWitness().setPush(0, new byte[]{0x1});
 311         funding.addOutput(Coin.SATOSHI.multiply(10000), new Script(funding_spk));
 312         peer1.chan_manager.funding_transaction_generated(chan_id, OutPoint.constructor_new(funding.getTxId().getReversedBytes(), (short) 0));
 313
 314         peer1.peer_manager.process_events();
 315         while (!list.isEmpty()) { list.poll().join(); }
 316         peer2.peer_manager.process_events();
 317         while (!list.isEmpty()) { list.poll().join(); }
 318
 319         events = peer1.chan_manager_events.get_and_clear_pending_events();
 320         assert events.length == 1;
 321         assert events[0] instanceof Event.FundingBroadcastSafe;
 322         assert ((Event.FundingBroadcastSafe) events[0]).user_channel_id == 42;
 323
 324         Block b = new Block(bitcoinj_net, 2, Sha256Hash.ZERO_HASH, Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[]{funding}));
 325         assert peer1.connect_block(b, 1).length == 0;
 326         assert peer2.connect_block(b, 1).length == 0;
 327
 328         for (int height = 2; height < 10; height++) {
 329             b = new Block(bitcoinj_net, 2, b.getHash(), Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[0]));
 330             assert peer1.connect_block(b, height).length == 0;
 331             assert peer2.connect_block(b, height).length == 0;
 332         }
 333
 334         peer1.peer_manager.process_events();
 335         peer2.peer_manager.process_events();
 336         while (!list.isEmpty()) { list.poll().join(); }
 337
 338         peer1.chan_manager.list_channels();
 339         ChannelDetails[] peer1_chans = peer1.chan_manager.list_channels();
 340         ChannelDetails[] peer2_chans = peer2.chan_manager.list_channels();
 341         assert peer1_chans.length == 1;
 342         assert peer2_chans.length == 1;
 343         assert peer1_chans[0].get_channel_value_satoshis() == 10000;
 344         assert peer1_chans[0].get_is_live();
 345         assert Arrays.equals(peer1_chans[0].get_channel_id(), funding.getTxId().getReversedBytes());
 346         assert Arrays.equals(peer2_chans[0].get_channel_id(), funding.getTxId().getReversedBytes());
 347
 348         byte[] payment_preimage = new byte[32];
 349         for (int i = 0; i < 32; i++) payment_preimage[i] = (byte) (i ^ 0x0f);
 350         byte[] payment_hash = Sha256Hash.hash(payment_preimage);
 351         Route route = peer1.get_route(peer2.node_id, peer1_chans);
 352         Result_NonePaymentSendFailureZ payment_res = peer1.chan_manager.send_payment(route, payment_hash, new byte[32]);
 353         assert payment_res instanceof Result_NonePaymentSendFailureZ.Result_NonePaymentSendFailureZ_OK;
 354
 355         peer1.peer_manager.process_events();
 356         while (!list.isEmpty()) { list.poll().join(); }
 357         peer2.peer_manager.process_events();
 358         while (!list.isEmpty()) { list.poll().join(); }
 359         peer1.peer_manager.process_events();
 360         while (!list.isEmpty()) { list.poll().join(); }
 361
 362         events = peer2.chan_manager_events.get_and_clear_pending_events();
 363         assert events.length == 1;
 364         assert events[0] instanceof Event.PendingHTLCsForwardable;
 365         peer2.chan_manager.process_pending_htlc_forwards();
 366
 367         events = peer2.chan_manager_events.get_and_clear_pending_events();
 368         assert events.length == 1;
 369         assert events[0] instanceof Event.PaymentReceived;
 370         peer2.chan_manager.claim_funds(payment_preimage, new byte[32], ((Event.PaymentReceived) events[0]).amt);
 371
 372         peer2.peer_manager.process_events();
 373         while (!list.isEmpty()) { list.poll().join(); }
 374         peer1.peer_manager.process_events();
 375         while (!list.isEmpty()) { list.poll().join(); }
 376         peer2.peer_manager.process_events();
 377         while (!list.isEmpty()) { list.poll().join(); }
 378
 379         events = peer1.chan_manager_events.get_and_clear_pending_events();
 380         assert events.length == 1;
 381         assert events[0] instanceof Event.PaymentSent;
 382         assert Arrays.equals(((Event.PaymentSent) events[0]).payment_preimage, payment_preimage);
 383
 384         if (nice_close) {
 385             Result_NoneAPIErrorZ close_res = peer1.chan_manager.close_channel(peer1_chans[0].get_channel_id());
 386             assert close_res instanceof Result_NoneAPIErrorZ.Result_NoneAPIErrorZ_OK;
 387
 388             peer1.peer_manager.process_events();
 389             while (!list.isEmpty()) { list.poll().join(); }
 390             peer2.peer_manager.process_events();
 391             while (!list.isEmpty()) { list.poll().join(); }
 392             peer1.peer_manager.process_events();
 393             while (!list.isEmpty()) { list.poll().join(); }
 394             peer2.peer_manager.process_events();
 395             while (!list.isEmpty()) { list.poll().join(); }
 396
 397             assert peer1.broadcast_set.size() == 1;
 398             assert peer2.broadcast_set.size() == 1;
 399         } else {
 400             peer1.chan_manager.force_close_all_channels();
 401
 402             peer1.peer_manager.process_events();
 403             while (!list.isEmpty()) { list.poll().join(); }
 404             peer2.peer_manager.process_events();
 405             while (!list.isEmpty()) { list.poll().join(); }
 406             peer1.peer_manager.process_events();
 407             while (!list.isEmpty()) { list.poll().join(); }
 408             peer2.peer_manager.process_events();
 409             while (!list.isEmpty()) { list.poll().join(); }
 410
 411             assert peer1.broadcast_set.size() == 1;
 412             assert peer2.broadcast_set.size() == 0;
 413
 414             Transaction tx = new Transaction(bitcoinj_net, peer1.broadcast_set.getFirst());
 415             b = new Block(bitcoinj_net, 2, b.getHash(), Sha256Hash.ZERO_HASH, 42, 0, 0,
 416                     Arrays.asList(new Transaction[]{tx}));
 417             TwoTuple<byte[], TxOut[]>[] watch_outputs =  peer2.connect_block(b, 1);
 418             assert watch_outputs.length == 1;
 419             assert Arrays.equals(watch_outputs[0].a, tx.getTxId().getReversedBytes());
 420             assert watch_outputs[0].b.length == 1;
 421         }
 422
 423         bindings.SocketDescriptor_free(descriptor2);
 424         bindings.SocketDescriptor_free(descriptor1.val);
 425     }
 426
 427 }
 428 public class HumanObjectPeerTest {
 429     void do_test(boolean nice_close, boolean use_km_wrapper) throws InterruptedException {
 430         HumanObjectPeerTestInstance instance = new HumanObjectPeerTestInstance();
 431         instance.do_test_message_handler(nice_close, use_km_wrapper);
 432         while (!instance.gc_ran) {
 433             System.gc();
 434             System.runFinalization();
 435         }
 436         for (WeakReference<Object> o : instance.must_free_objs)
 437             assert o.get() == null;
 438     }
 439     @Test
 440     public void test_message_handler_force_close() throws InterruptedException {
 441         do_test(false, false);
 442     }
 443     @Test
 444     public void test_message_handler_nice_close() throws InterruptedException {
 445         do_test(true, false);
 446     }
 447     @Test
 448     public void test_message_handler_nice_close_wrapper() throws InterruptedException {
 449         do_test(true, true);
 450     }
 451     @Test
 452     public void test_message_handler_force_close_wrapper() throws InterruptedException {
 453         do_test(false, true);
 454     }
 455 }