_ 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 KeysInterface keys_interface;
  22         final ChannelManager chan_manager;
  23         final EventsProvider 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 = keys.as_KeysInterface();
  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 = chan_manager.as_EventsProvider();
  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, keys_interface.call_get_node_secret(), random_data, logger);
  98             System.gc();
  99         }
 100
 101         void connect_block(Block b, Transaction t, int height) {
 102             byte[] header = Arrays.copyOfRange(b.bitcoinSerialize(), 0, 80);
 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.ChannelMessageHandler_free(chan_handler);
 129             bindings.NetGraphMsgHandler_free(router);
 130             bindings.RoutingMessageHandler_free(route_handler);
 131             //MessageHandler was actually moved into the route_handler!: bindings.MessageHandler_free(message_handler);
 132             bindings.PeerManager_free(peer_manager);
 133             synchronized (monitors) {
 134                 for (Long mon : monitors.values()) {
 135                     bindings.ChannelMonitor_free(mon);
 136                 }
 137             }
 138         }
 139     }
 140
 141     class LongHolder { long val; }
 142
 143     byte[] do_read_event(ConcurrentLinkedQueue<Thread> list, long pm, long descriptor, long data) {
 144         byte[] arr = bindings.get_u8_slice_bytes(data);
 145         Thread thread = new Thread(() -> {
 146             long arr_vec = bindings.bytes_to_u8_vec(arr);
 147             long res = bindings.PeerManager_read_event(pm, descriptor, arr_vec);
 148             assert bindings.LDKCResult_boolPeerHandleErrorZ_result_ok(res);
 149             //assert bindings.deref_bool(bindings.LDKCResult_boolPeerHandleErrorZ_get_inner(res));
 150             bindings.CResult_boolPeerHandleErrorZ_free(res);
 151             bindings.CVec_u8Z_free(arr_vec);
 152         });
 153         thread.start();
 154         list.add(thread);
 155         return arr;
 156     }
 157
 158     boolean gc_ran = false;
 159     class GcCheck {
 160         @Override
 161         protected void finalize() throws Throwable {
 162             gc_ran = true;
 163             super.finalize();
 164         }
 165     }
 166     void do_test_message_handler() throws InterruptedException {
 167         GcCheck obj = new GcCheck();
 168         Peer peer1 = new Peer((byte) 1);
 169         Peer peer2 = new Peer((byte) 2);
 170
 171         ConcurrentLinkedQueue<Thread> list = new ConcurrentLinkedQueue<Thread>();
 172         LongHolder descriptor1 = new LongHolder();
 173         LongHolder descriptor1ref = descriptor1;
 174         bindings.LDKSocketDescriptor sock1 = new bindings.LDKSocketDescriptor() {
 175             @Override
 176             public long send_data(long data, boolean resume_read) {
 177                 return do_read_event(list, peer1.peer_manager, descriptor1ref.val, data).length;
 178             }
 179
 180             @Override public void disconnect_socket() { assert false; }
 181             @Override public boolean eq(long other_arg) { return bindings.LDKSocketDescriptor_get_obj_from_jcalls(other_arg).hash() == 2; }
 182             @Override public long hash() { return 2; }
 183         };
 184         long descriptor2 = bindings.LDKSocketDescriptor_new(sock1);
 185
 186         bindings.LDKSocketDescriptor sock2 = new bindings.LDKSocketDescriptor() {
 187             @Override
 188             public long send_data(long data, boolean resume_read) {
 189                 return do_read_event(list, peer2.peer_manager, descriptor2, data).length;
 190             }
 191
 192             @Override public void disconnect_socket() { assert false; }
 193             @Override public boolean eq(long other_arg) { return bindings.LDKSocketDescriptor_get_obj_from_jcalls(other_arg).hash() == 1; }
 194             @Override public long hash() { return 1; }
 195         };
 196         descriptor1.val = bindings.LDKSocketDescriptor_new(sock2);
 197
 198         long init_vec = bindings.PeerManager_new_outbound_connection(peer1.peer_manager, peer2.node_id, descriptor1.val);
 199         assert (bindings.LDKCResult_CVec_u8ZPeerHandleErrorZ_result_ok(init_vec));
 200
 201         long con_res = bindings.PeerManager_new_inbound_connection(peer2.peer_manager, descriptor2);
 202         assert (bindings.LDKCResult_NonePeerHandleErrorZ_result_ok(con_res));
 203         bindings.CResult_NonePeerHandleErrorZ_free(con_res);
 204         do_read_event(list, peer2.peer_manager, descriptor2, bindings.LDKCResult_CVec_u8ZPeerHandleErrorZ_get_inner(init_vec));
 205         bindings.CResult_CVec_u8ZPeerHandleErrorZ_free(init_vec);
 206
 207         while (!list.isEmpty()) { list.poll().join(); }
 208
 209         long cc_res = bindings.ChannelManager_create_channel(peer1.chan_manager._test_only_get_ptr(), peer2.node_id, 10000, 1000, 42, 0);
 210         assert bindings.LDKCResult_NoneAPIErrorZ_result_ok(cc_res);
 211         bindings.CResult_NoneAPIErrorZ_free(cc_res);
 212
 213         bindings.PeerManager_process_events(peer1.peer_manager);
 214         while (!list.isEmpty()) { list.poll().join(); }
 215         bindings.PeerManager_process_events(peer2.peer_manager);
 216         while (!list.isEmpty()) { list.poll().join(); }
 217
 218         long events = bindings.EventsProvider_call_get_and_clear_pending_events(peer1.chan_manager_events._test_only_get_ptr());
 219         bindings.VecOrSliceDef events_arr_info = bindings.LDKCVecTempl_Event_arr_info(events);
 220         assert events_arr_info.datalen == 1;
 221         bindings.LDKEvent event = bindings.LDKEvent_ref_from_ptr(events_arr_info.dataptr);
 222         assert event instanceof bindings.LDKEvent.FundingGenerationReady;
 223         assert ((bindings.LDKEvent.FundingGenerationReady) event).channel_value_satoshis == 10000;
 224         assert ((bindings.LDKEvent.FundingGenerationReady) event).user_channel_id == 42;
 225         byte[] funding_spk = bindings.get_u8_slice_bytes(((bindings.LDKEvent.FundingGenerationReady) event).output_script);
 226         assert funding_spk.length == 34 && funding_spk[0] == 0 && funding_spk[1] == 32; // P2WSH
 227         byte[] chan_id = ((bindings.LDKEvent.FundingGenerationReady) event).temporary_channel_id;
 228         bindings.CVec_EventZ_free(events);
 229
 230         Transaction funding = new Transaction(NetworkParameters.fromID(NetworkParameters.ID_MAINNET));
 231         funding.addInput(new TransactionInput(NetworkParameters.fromID(NetworkParameters.ID_MAINNET), funding, new byte[0]));
 232         funding.getInputs().get(0).setWitness(new TransactionWitness(2)); // Make sure we don't complain about lack of witness
 233         funding.getInput(0).getWitness().setPush(0, new byte[]{0x1});
 234         funding.addOutput(Coin.SATOSHI.multiply(10000), new Script(funding_spk));
 235         peer1.chan_manager.funding_transaction_generated(chan_id, new OutPoint(funding.getTxId().getReversedBytes(), (short) 0));
 236
 237         bindings.PeerManager_process_events(peer1.peer_manager);
 238         while (!list.isEmpty()) { list.poll().join(); }
 239         bindings.PeerManager_process_events(peer2.peer_manager);
 240         while (!list.isEmpty()) { list.poll().join(); }
 241
 242         events = bindings.EventsProvider_call_get_and_clear_pending_events(peer1.chan_manager_events._test_only_get_ptr());
 243         events_arr_info = bindings.LDKCVecTempl_Event_arr_info(events);
 244         assert events_arr_info.datalen == 1;
 245         event = bindings.LDKEvent_ref_from_ptr(events_arr_info.dataptr);
 246         assert event instanceof bindings.LDKEvent.FundingBroadcastSafe;
 247         bindings.CVec_EventZ_free(events);
 248
 249         Block b = new Block(NetworkParameters.fromID(NetworkParameters.ID_MAINNET), 2, Sha256Hash.ZERO_HASH, Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[]{funding}));
 250         peer1.connect_block(b, funding, 1);
 251         peer2.connect_block(b, funding, 1);
 252
 253         for (int height = 2; height < 10; height++) {
 254             b = new Block(NetworkParameters.fromID(NetworkParameters.ID_MAINNET), 2, b.getHash(), Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[]{funding}));
 255             peer1.connect_block(b, null, height);
 256             peer2.connect_block(b, null, height);
 257         }
 258
 259         bindings.PeerManager_process_events(peer1.peer_manager);
 260         bindings.PeerManager_process_events(peer2.peer_manager);
 261         while (!list.isEmpty()) { list.poll().join(); }
 262
 263         long peer1_chans = bindings.ChannelManager_list_channels(peer1.chan_manager._test_only_get_ptr());
 264         long peer2_chans = bindings.ChannelManager_list_channels(peer2.chan_manager._test_only_get_ptr());
 265         assert bindings.vec_slice_len(peer1_chans) == 1;
 266         assert bindings.vec_slice_len(peer2_chans) == 1;
 267         long[] peer_1_chan_info = bindings.LDKCVecTempl_ChannelDetails_arr_info(peer1_chans);
 268         assert peer_1_chan_info.length == 1;
 269         assert bindings.ChannelDetails_get_channel_value_satoshis(peer_1_chan_info[0]) == 10000;
 270         assert bindings.ChannelDetails_get_is_live(peer_1_chan_info[0]);
 271         assert Arrays.equals(bindings.ChannelDetails_get_channel_id(peer_1_chan_info[0]), funding.getTxId().getReversedBytes());
 272         assert Arrays.equals(bindings.ChannelDetails_get_channel_id(bindings.LDKCVecTempl_ChannelDetails_arr_info(peer2_chans)[0]), funding.getTxId().getReversedBytes());
 273         bindings.CVec_ChannelDetailsZ_free(peer2_chans);
 274
 275         byte[] payment_preimage = new byte[32];
 276         for (int i = 0; i < 32; i++) payment_preimage[i] = (byte) (i ^ 0x0f);
 277         byte[] payment_hash = Sha256Hash.hash(payment_preimage);
 278         long netgraph = bindings.NetGraphMsgHandler_read_locked_graph(peer1.router);
 279         long route = bindings.get_route(peer1.node_id, bindings.LockedNetworkGraph_graph(netgraph), peer2.node_id, peer1_chans,
 280                 bindings.LDKCVecTempl_RouteHint_new(new long[0]), 1000, 42, peer1.logger);
 281         bindings.CVec_ChannelDetailsZ_free(peer1_chans);
 282         assert bindings.LDKCResult_RouteLightningErrorZ_result_ok(route);
 283         bindings.LockedNetworkGraph_free(netgraph);
 284         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]);
 285         bindings.CResult_RouteLightningErrorZ_free(route);
 286         assert bindings.LDKCResult_NonePaymentSendFailureZ_result_ok(payment_res);
 287         bindings.CResult_NonePaymentSendFailureZ_free(payment_res);
 288
 289         bindings.PeerManager_process_events(peer1.peer_manager);
 290         while (!list.isEmpty()) { list.poll().join(); }
 291         bindings.PeerManager_process_events(peer2.peer_manager);
 292         while (!list.isEmpty()) { list.poll().join(); }
 293         bindings.PeerManager_process_events(peer1.peer_manager);
 294         while (!list.isEmpty()) { list.poll().join(); }
 295
 296         long peer2_events = bindings.EventsProvider_call_get_and_clear_pending_events(peer2.chan_manager_events._test_only_get_ptr());
 297         bindings.VecOrSliceDef event_arr_info = bindings.LDKCVecTempl_Event_arr_info(peer2_events);
 298         assert event_arr_info.datalen == 1;
 299         bindings.LDKEvent forwardable = bindings.LDKEvent_ref_from_ptr(event_arr_info.dataptr);
 300         assert forwardable instanceof bindings.LDKEvent.PendingHTLCsForwardable;
 301         bindings.CVec_EventZ_free(peer2_events);
 302         bindings.ChannelManager_process_pending_htlc_forwards(peer2.chan_manager._test_only_get_ptr());
 303
 304         peer2_events = bindings.EventsProvider_call_get_and_clear_pending_events(peer2.chan_manager_events._test_only_get_ptr());
 305         event_arr_info = bindings.LDKCVecTempl_Event_arr_info(peer2_events);
 306         assert event_arr_info.datalen == 1;
 307         bindings.LDKEvent payment_recvd = bindings.LDKEvent_ref_from_ptr(event_arr_info.dataptr);
 308         assert payment_recvd instanceof bindings.LDKEvent.PaymentReceived;
 309         peer2.chan_manager.claim_funds(payment_preimage, new byte[32], ((bindings.LDKEvent.PaymentReceived) payment_recvd).amt);
 310         bindings.CVec_EventZ_free(peer2_events);
 311
 312         bindings.PeerManager_process_events(peer2.peer_manager);
 313         while (!list.isEmpty()) { list.poll().join(); }
 314         bindings.PeerManager_process_events(peer1.peer_manager);
 315         while (!list.isEmpty()) { list.poll().join(); }
 316
 317         long peer1_events = bindings.EventsProvider_call_get_and_clear_pending_events(peer1.chan_manager_events._test_only_get_ptr());
 318         event_arr_info = bindings.LDKCVecTempl_Event_arr_info(peer1_events);
 319         assert event_arr_info.datalen == 1;
 320         bindings.LDKEvent sent = bindings.LDKEvent_ref_from_ptr(event_arr_info.dataptr);
 321         assert sent instanceof bindings.LDKEvent.PaymentSent;
 322         assert Arrays.equals(((bindings.LDKEvent.PaymentSent) sent).payment_preimage, payment_preimage);
 323         bindings.CVec_EventZ_free(peer1_events);
 324
 325         peer1.free();
 326         peer2.free();
 327         bindings.SocketDescriptor_free(descriptor2);
 328         bindings.SocketDescriptor_free(descriptor1.val);
 329     }
 330
 331     @Test
 332     public void test_message_handler() throws InterruptedException {
 333         do_test_message_handler();
 334         while (!gc_ran) {
 335             System.gc();
 336             System.runFinalization();
 337         }
 338     }
 339 }