_ 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.script.Script;
   5 import org.junit.jupiter.api.Test;
   6 import org.ldk.enums.LDKNetwork;
   7 import org.ldk.impl.bindings;
   8 import org.ldk.structs.*;
   9
  10 import java.lang.ref.WeakReference;
  11 import java.util.Arrays;
  12 import java.util.HashMap;
  13 import java.util.concurrent.ConcurrentLinkedQueue;
  14
  15 public class HumanObjectPeerTest {
  16     class Peer {
  17         final long logger;
  18         final long fee_estimator;
  19         final long tx_broadcaster;
  20         final KeysManager keys;
  21         final long keys_interface;
  22         final ChannelManager chan_manager;
  23         final long chan_manager_events;
  24         final long chan_handler;
  25         final long router;
  26         final long route_handler;
  27         final long message_handler;
  28         final long peer_manager;
  29         HashMap<String, Long> monitors; // Wow I forgot just how terrible Java is - we can't put a byte array here.
  30         byte[] node_id;
  31
  32         Peer(byte seed) {
  33             bindings.LDKLogger log_trait = (String arg) -> System.out.println(seed + ": " + arg);
  34             logger = bindings.LDKLogger_new(log_trait);
  35             this.fee_estimator = bindings.LDKFeeEstimator_new(confirmation_target -> 0);
  36             this.tx_broadcaster = bindings.LDKBroadcasterInterface_new(tx -> {
  37                 // We should broadcast
  38             });
  39             this.monitors = new HashMap<>();
  40             Watch chain_monitor = new Watch(new bindings.LDKWatch() {
  41                 @Override
  42                 public long watch_channel(long funding_txo, long monitor) {
  43                     synchronized (monitors) {
  44                         assert monitors.put(Arrays.toString(bindings.OutPoint_get_txid(funding_txo)), monitor) == null;
  45                     }
  46                     bindings.OutPoint_free(funding_txo);
  47                     return bindings.CResult_NoneChannelMonitorUpdateErrZ_ok();
  48                 }
  49
  50                 @Override
  51                 public long update_channel(long funding_txo, long update) {
  52                     synchronized (monitors) {
  53                         String txid = Arrays.toString(bindings.OutPoint_get_txid(funding_txo));
  54                         assert monitors.containsKey(txid);
  55                         long update_res = bindings.ChannelMonitor_update_monitor(monitors.get(txid), update, tx_broadcaster, logger);
  56                         assert bindings.LDKCResult_NoneMonitorUpdateErrorZ_result_ok(update_res);
  57                         bindings.CResult_NoneMonitorUpdateErrorZ_free(update_res);
  58                     }
  59                     bindings.OutPoint_free(funding_txo);
  60                     bindings.ChannelMonitorUpdate_free(update);
  61                     return bindings.CResult_NoneChannelMonitorUpdateErrZ_ok();
  62                 }
  63
  64                 @Override
  65                 public long release_pending_monitor_events() {
  66                     synchronized (monitors) {
  67                         assert monitors.size() <= 1;
  68                         for (Long mon : monitors.values()) {
  69                             return bindings.ChannelMonitor_get_and_clear_pending_monitor_events(mon);
  70                         }
  71                     }
  72                     return bindings.new_empty_slice_vec();
  73                 }
  74             });
  75
  76             byte[] key_seed = new byte[32];
  77             for (byte i = 0; i < 32; i++) {
  78                 key_seed[i] = (byte) (i ^ seed);
  79             }
  80             this.keys = new KeysManager(key_seed, LDKNetwork.LDKNetwork_Bitcoin, System.currentTimeMillis() / 1000, (int) (System.currentTimeMillis() * 1000) & 0xffffffff);
  81             this.keys_interface = bindings.KeysManager_as_KeysInterface(keys._test_only_get_ptr());
  82             this.chan_manager = new ChannelManager(LDKNetwork.LDKNetwork_Bitcoin, new FeeEstimator(confirmation_target -> 0), chain_monitor,
  83                     new BroadcasterInterface(tx -> {
  84                     }), new Logger(log_trait), keys.as_KeysInterface(), new UserConfig(), 1);
  85             this.node_id = chan_manager.get_our_node_id();
  86             this.chan_manager_events = bindings.ChannelManager_as_EventsProvider(chan_manager._test_only_get_ptr());
  87
  88             this.chan_handler = bindings.ChannelManager_as_ChannelMessageHandler(chan_manager._test_only_get_ptr());
  89             this.router = bindings.NetGraphMsgHandler_new(0, logger);
  90             this.route_handler = bindings.NetGraphMsgHandler_as_RoutingMessageHandler(router);
  91             this.message_handler = bindings.MessageHandler_new(chan_handler, route_handler);
  92
  93             byte[] random_data = new byte[32];
  94             for (byte i = 0; i < 32; i++) {
  95                 random_data[i] = (byte) ((i ^ seed) ^ 0xf0);
  96             }
  97             this.peer_manager = bindings.PeerManager_new(message_handler, bindings.LDKKeysInterface_call_get_node_secret(keys_interface), random_data, logger);
  98             System.gc();
  99         }
 100
 101         void connect_block(Block b, Transaction t, int height) {
 102             byte[] header = b.bitcoinSerialize();
 103             long txn;
 104             if (t != null)
 105                 txn = bindings.LDKCVecTempl_C2TupleTempl_usize__Transaction_new(
 106                         new long[]{bindings.C2Tuple_usizeTransactionZ_new(1, bindings.new_txpointer_copy_data(t.bitcoinSerialize()))});
 107             else
 108                 txn = bindings.LDKCVecTempl_C2TupleTempl_usize__Transaction_new(new long[0]);
 109             bindings.ChannelManager_block_connected(chan_manager._test_only_get_ptr(), header, txn, height);
 110             synchronized (monitors) {
 111                 for (Long mon : monitors.values()) {
 112                     if (t != null)
 113                         txn = bindings.LDKCVecTempl_C2TupleTempl_usize__Transaction_new(
 114                                 new long[]{bindings.C2Tuple_usizeTransactionZ_new(1, bindings.new_txpointer_copy_data(t.bitcoinSerialize()))});
 115                     else
 116                         txn = bindings.LDKCVecTempl_C2TupleTempl_usize__Transaction_new(new long[0]);
 117                     long ret = bindings.ChannelMonitor_block_connected(mon, header, txn, height, tx_broadcaster, fee_estimator, logger);
 118                     bindings.CVec_C2Tuple_TxidCVec_TxOutZZZ_free(ret);
 119                 }
 120             }
 121         }
 122
 123         void free() {
 124             // Note that we can't rely on finalizer order, so don't bother trying to rely on it here
 125             bindings.Logger_free(logger);
 126             bindings.FeeEstimator_free(fee_estimator);
 127             bindings.BroadcasterInterface_free(tx_broadcaster);
 128             bindings.KeysInterface_free(keys_interface);
 129             bindings.EventsProvider_free(chan_manager_events);
 130             bindings.ChannelMessageHandler_free(chan_handler);
 131             bindings.NetGraphMsgHandler_free(router);
 132             bindings.RoutingMessageHandler_free(route_handler);
 133             //MessageHandler was actually moved into the route_handler!: bindings.MessageHandler_free(message_handler);
 134             bindings.PeerManager_free(peer_manager);
 135             synchronized (monitors) {
 136                 for (Long mon : monitors.values()) {
 137                     bindings.ChannelMonitor_free(mon);
 138                 }
 139             }
 140         }
 141     }
 142
 143     class LongHolder { long val; }
 144
 145     byte[] do_read_event(ConcurrentLinkedQueue<Thread> list, long pm, long descriptor, long data) {
 146         byte[] arr = bindings.get_u8_slice_bytes(data);
 147         Thread thread = new Thread(() -> {
 148             long arr_vec = bindings.bytes_to_u8_vec(arr);
 149             long res = bindings.PeerManager_read_event(pm, descriptor, arr_vec);
 150             assert bindings.LDKCResult_boolPeerHandleErrorZ_result_ok(res);
 151             //assert bindings.deref_bool(bindings.LDKCResult_boolPeerHandleErrorZ_get_inner(res));
 152             bindings.CResult_boolPeerHandleErrorZ_free(res);
 153             bindings.CVec_u8Z_free(arr_vec);
 154         });
 155         thread.start();
 156         list.add(thread);
 157         return arr;
 158     }
 159
 160     boolean gc_ran = false;
 161     class GcCheck {
 162         @Override
 163         protected void finalize() throws Throwable {
 164             gc_ran = true;
 165             super.finalize();
 166         }
 167     }
 168     void do_test_message_handler() throws InterruptedException {
 169         GcCheck obj = new GcCheck();
 170         Peer peer1 = new Peer((byte) 1);
 171         Peer peer2 = new Peer((byte) 2);
 172
 173         ConcurrentLinkedQueue<Thread> list = new ConcurrentLinkedQueue<Thread>();
 174         LongHolder descriptor1 = new LongHolder();
 175         LongHolder descriptor1ref = descriptor1;
 176         bindings.LDKSocketDescriptor sock1 = new bindings.LDKSocketDescriptor() {
 177             @Override
 178             public long send_data(long data, boolean resume_read) {
 179                 return do_read_event(list, peer1.peer_manager, descriptor1ref.val, data).length;
 180             }
 181
 182             @Override public void disconnect_socket() { assert false; }
 183             @Override public boolean eq(long other_arg) { return bindings.LDKSocketDescriptor_get_obj_from_jcalls(other_arg).hash() == 2; }
 184             @Override public long hash() { return 2; }
 185         };
 186         long descriptor2 = bindings.LDKSocketDescriptor_new(sock1);
 187
 188         bindings.LDKSocketDescriptor sock2 = new bindings.LDKSocketDescriptor() {
 189             @Override
 190             public long send_data(long data, boolean resume_read) {
 191                 return do_read_event(list, peer2.peer_manager, descriptor2, data).length;
 192             }
 193
 194             @Override public void disconnect_socket() { assert false; }
 195             @Override public boolean eq(long other_arg) { return bindings.LDKSocketDescriptor_get_obj_from_jcalls(other_arg).hash() == 1; }
 196             @Override public long hash() { return 1; }
 197         };
 198         descriptor1.val = bindings.LDKSocketDescriptor_new(sock2);
 199
 200         long init_vec = bindings.PeerManager_new_outbound_connection(peer1.peer_manager, peer2.node_id, descriptor1.val);
 201         assert (bindings.LDKCResult_CVec_u8ZPeerHandleErrorZ_result_ok(init_vec));
 202
 203         long con_res = bindings.PeerManager_new_inbound_connection(peer2.peer_manager, descriptor2);
 204         assert (bindings.LDKCResult_NonePeerHandleErrorZ_result_ok(con_res));
 205         bindings.CResult_NonePeerHandleErrorZ_free(con_res);
 206         do_read_event(list, peer2.peer_manager, descriptor2, bindings.LDKCResult_CVec_u8ZPeerHandleErrorZ_get_inner(init_vec));
 207         bindings.CResult_CVec_u8ZPeerHandleErrorZ_free(init_vec);
 208
 209         while (!list.isEmpty()) { list.poll().join(); }
 210
 211         long cc_res = bindings.ChannelManager_create_channel(peer1.chan_manager._test_only_get_ptr(), peer2.node_id, 10000, 1000, 42, 0);
 212         assert bindings.LDKCResult_NoneAPIErrorZ_result_ok(cc_res);
 213         bindings.CResult_NoneAPIErrorZ_free(cc_res);
 214
 215         bindings.PeerManager_process_events(peer1.peer_manager);
 216         while (!list.isEmpty()) { list.poll().join(); }
 217         bindings.PeerManager_process_events(peer2.peer_manager);
 218         while (!list.isEmpty()) { list.poll().join(); }
 219
 220         long events = bindings.LDKEventsProvider_call_get_and_clear_pending_events(peer1.chan_manager_events);
 221         bindings.VecOrSliceDef events_arr_info = bindings.LDKCVecTempl_Event_arr_info(events);
 222         assert events_arr_info.datalen == 1;
 223         bindings.LDKEvent event = bindings.LDKEvent_ref_from_ptr(events_arr_info.dataptr);
 224         assert event instanceof bindings.LDKEvent.FundingGenerationReady;
 225         assert ((bindings.LDKEvent.FundingGenerationReady) event).channel_value_satoshis == 10000;
 226         assert ((bindings.LDKEvent.FundingGenerationReady) event).user_channel_id == 42;
 227         byte[] funding_spk = bindings.get_u8_slice_bytes(((bindings.LDKEvent.FundingGenerationReady) event).output_script);
 228         assert funding_spk.length == 34 && funding_spk[0] == 0 && funding_spk[1] == 32; // P2WSH
 229         byte[] chan_id = ((bindings.LDKEvent.FundingGenerationReady) event).temporary_channel_id;
 230         bindings.CVec_EventZ_free(events);
 231
 232         Transaction funding = new Transaction(NetworkParameters.fromID(NetworkParameters.ID_MAINNET));
 233         funding.addInput(new TransactionInput(NetworkParameters.fromID(NetworkParameters.ID_MAINNET), funding, new byte[0]));
 234         funding.getInputs().get(0).setWitness(new TransactionWitness(2)); // Make sure we don't complain about lack of witness
 235         funding.getInput(0).getWitness().setPush(0, new byte[]{0x1});
 236         funding.addOutput(Coin.SATOSHI.multiply(10000), new Script(funding_spk));
 237         peer1.chan_manager.funding_transaction_generated(chan_id, new OutPoint(funding.getTxId().getReversedBytes(), (short) 0));
 238
 239         bindings.PeerManager_process_events(peer1.peer_manager);
 240         while (!list.isEmpty()) { list.poll().join(); }
 241         bindings.PeerManager_process_events(peer2.peer_manager);
 242         while (!list.isEmpty()) { list.poll().join(); }
 243
 244         events = bindings.LDKEventsProvider_call_get_and_clear_pending_events(peer1.chan_manager_events);
 245         events_arr_info = bindings.LDKCVecTempl_Event_arr_info(events);
 246         assert events_arr_info.datalen == 1;
 247         event = bindings.LDKEvent_ref_from_ptr(events_arr_info.dataptr);
 248         assert event instanceof bindings.LDKEvent.FundingBroadcastSafe;
 249         bindings.CVec_EventZ_free(events);
 250
 251         Block b = new Block(NetworkParameters.fromID(NetworkParameters.ID_MAINNET), 2, Sha256Hash.ZERO_HASH, Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[]{funding}));
 252         peer1.connect_block(b, funding, 1);
 253         peer2.connect_block(b, funding, 1);
 254
 255         for (int height = 2; height < 10; height++) {
 256             b = new Block(NetworkParameters.fromID(NetworkParameters.ID_MAINNET), 2, b.getHash(), Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[]{funding}));
 257             peer1.connect_block(b, null, height);
 258             peer2.connect_block(b, null, height);
 259         }
 260
 261         bindings.PeerManager_process_events(peer1.peer_manager);
 262         bindings.PeerManager_process_events(peer2.peer_manager);
 263         while (!list.isEmpty()) { list.poll().join(); }
 264
 265         long peer1_chans = bindings.ChannelManager_list_channels(peer1.chan_manager._test_only_get_ptr());
 266         long peer2_chans = bindings.ChannelManager_list_channels(peer2.chan_manager._test_only_get_ptr());
 267         assert bindings.vec_slice_len(peer1_chans) == 1;
 268         assert bindings.vec_slice_len(peer2_chans) == 1;
 269         long[] peer_1_chan_info = bindings.LDKCVecTempl_ChannelDetails_arr_info(peer1_chans);
 270         assert peer_1_chan_info.length == 1;
 271         assert bindings.ChannelDetails_get_channel_value_satoshis(peer_1_chan_info[0]) == 10000;
 272         assert bindings.ChannelDetails_get_is_live(peer_1_chan_info[0]);
 273         assert Arrays.equals(bindings.ChannelDetails_get_channel_id(peer_1_chan_info[0]), funding.getTxId().getReversedBytes());
 274         assert Arrays.equals(bindings.ChannelDetails_get_channel_id(bindings.LDKCVecTempl_ChannelDetails_arr_info(peer2_chans)[0]), funding.getTxId().getReversedBytes());
 275         bindings.CVec_ChannelDetailsZ_free(peer2_chans);
 276
 277         byte[] payment_preimage = new byte[32];
 278         for (int i = 0; i < 32; i++) payment_preimage[i] = (byte) (i ^ 0x0f);
 279         byte[] payment_hash = Sha256Hash.hash(payment_preimage);
 280         long netgraph = bindings.NetGraphMsgHandler_read_locked_graph(peer1.router);
 281         long route = bindings.get_route(peer1.node_id, bindings.LockedNetworkGraph_graph(netgraph), peer2.node_id, peer1_chans,
 282                 bindings.LDKCVecTempl_RouteHint_new(new long[0]), 1000, 42, peer1.logger);
 283         bindings.CVec_ChannelDetailsZ_free(peer1_chans);
 284         assert bindings.LDKCResult_RouteLightningErrorZ_result_ok(route);
 285         bindings.LockedNetworkGraph_free(netgraph);
 286         long payment_res = bindings.ChannelManager_send_payment(peer1.chan_manager._test_only_get_ptr(), bindings.LDKCResult_RouteLightningErrorZ_get_inner(route), payment_hash, new byte[32]);
 287         bindings.CResult_RouteLightningErrorZ_free(route);
 288         assert bindings.LDKCResult_NonePaymentSendFailureZ_result_ok(payment_res);
 289         bindings.CResult_NonePaymentSendFailureZ_free(payment_res);
 290
 291         bindings.PeerManager_process_events(peer1.peer_manager);
 292         while (!list.isEmpty()) { list.poll().join(); }
 293         bindings.PeerManager_process_events(peer2.peer_manager);
 294         while (!list.isEmpty()) { list.poll().join(); }
 295         bindings.PeerManager_process_events(peer1.peer_manager);
 296         while (!list.isEmpty()) { list.poll().join(); }
 297
 298         long peer2_events = bindings.LDKEventsProvider_call_get_and_clear_pending_events(peer2.chan_manager_events);
 299         bindings.VecOrSliceDef event_arr_info = bindings.LDKCVecTempl_Event_arr_info(peer2_events);
 300         assert event_arr_info.datalen == 1;
 301         bindings.LDKEvent forwardable = bindings.LDKEvent_ref_from_ptr(event_arr_info.dataptr);
 302         assert forwardable instanceof bindings.LDKEvent.PendingHTLCsForwardable;
 303         bindings.CVec_EventZ_free(peer2_events);
 304         bindings.ChannelManager_process_pending_htlc_forwards(peer2.chan_manager._test_only_get_ptr());
 305
 306         peer2_events = bindings.LDKEventsProvider_call_get_and_clear_pending_events(peer2.chan_manager_events);
 307         event_arr_info = bindings.LDKCVecTempl_Event_arr_info(peer2_events);
 308         assert event_arr_info.datalen == 1;
 309         bindings.LDKEvent payment_recvd = bindings.LDKEvent_ref_from_ptr(event_arr_info.dataptr);
 310         assert payment_recvd instanceof bindings.LDKEvent.PaymentReceived;
 311         peer2.chan_manager.claim_funds(payment_preimage, new byte[32], ((bindings.LDKEvent.PaymentReceived) payment_recvd).amt);
 312         bindings.CVec_EventZ_free(peer2_events);
 313
 314         bindings.PeerManager_process_events(peer2.peer_manager);
 315         while (!list.isEmpty()) { list.poll().join(); }
 316         bindings.PeerManager_process_events(peer1.peer_manager);
 317         while (!list.isEmpty()) { list.poll().join(); }
 318
 319         long peer1_events = bindings.LDKEventsProvider_call_get_and_clear_pending_events(peer1.chan_manager_events);
 320         event_arr_info = bindings.LDKCVecTempl_Event_arr_info(peer1_events);
 321         assert event_arr_info.datalen == 1;
 322         bindings.LDKEvent sent = bindings.LDKEvent_ref_from_ptr(event_arr_info.dataptr);
 323         assert sent instanceof bindings.LDKEvent.PaymentSent;
 324         assert Arrays.equals(((bindings.LDKEvent.PaymentSent) sent).payment_preimage, payment_preimage);
 325         bindings.CVec_EventZ_free(peer1_events);
 326
 327         peer1.free();
 328         peer2.free();
 329         bindings.SocketDescriptor_free(descriptor2);
 330         bindings.SocketDescriptor_free(descriptor1.val);
 331     }
 332
 333     @Test
 334     public void test_message_handler() throws InterruptedException {
 335         do_test_message_handler();
 336         while (!gc_ran) {
 337             System.gc();
 338             System.runFinalization();
 339         }
 340     }
 341 }