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.batteries.NioPeerHandler;
8 import org.ldk.enums.LDKNetwork;
9 import org.ldk.impl.bindings;
10 import org.ldk.structs.*;
11 import org.ldk.util.TwoTuple;
13 import java.io.IOException;
14 import java.lang.ref.WeakReference;
15 import java.net.InetSocketAddress;
16 import java.util.Arrays;
17 import java.util.HashMap;
18 import java.util.LinkedList;
20 class HumanObjectPeerTestInstance {
21 private final boolean nice_close;
22 private final boolean use_km_wrapper;
23 private final boolean use_manual_watch;
24 private final boolean reload_peers;
25 private final boolean break_cross_peer_refs;
26 private final boolean use_nio_peer_handler;
28 HumanObjectPeerTestInstance(boolean nice_close, boolean use_km_wrapper, boolean use_manual_watch, boolean reload_peers, boolean break_cross_peer_refs, boolean use_nio_peer_handler) {
29 this.nice_close = nice_close;
30 this.use_km_wrapper = use_km_wrapper;
31 this.use_manual_watch = use_manual_watch;
32 this.reload_peers = reload_peers;
33 this.break_cross_peer_refs = break_cross_peer_refs;
34 this.use_nio_peer_handler = use_nio_peer_handler;
38 KeysInterface manual_keysif(KeysInterface underlying_if) {
39 return KeysInterface.new_impl(new KeysInterface.KeysInterfaceInterface() {
40 @Override public byte[] get_node_secret() { return underlying_if.get_node_secret(); }
41 @Override public byte[] get_destination_script() { return underlying_if.get_destination_script(); }
42 @Override public byte[] get_shutdown_pubkey() { return underlying_if.get_shutdown_pubkey(); }
45 public Sign get_channel_signer(boolean inbound, long channel_value_satoshis) {
46 Sign underlying_ck = underlying_if.get_channel_signer(inbound, channel_value_satoshis);
47 Sign.SignInterface si = new Sign.SignInterface() {
49 public byte[] get_per_commitment_point(long idx) {
50 return underlying_ck.get_per_commitment_point(idx);
54 public byte[] release_commitment_secret(long idx) {
55 return underlying_ck.release_commitment_secret(idx);
59 public byte[] channel_keys_id() {
64 public Result_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_counterparty_commitment(CommitmentTransaction commitment_tx) {
65 return underlying_ck.sign_counterparty_commitment(commitment_tx);
69 public Result_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_holder_commitment_and_htlcs(HolderCommitmentTransaction holder_commitment_tx) {
70 return underlying_ck.sign_holder_commitment_and_htlcs(holder_commitment_tx);
74 public Result_SignatureNoneZ sign_justice_transaction(byte[] justice_tx, long input, long amount, byte[] per_commitment_key, HTLCOutputInCommitment htlc) {
75 return underlying_ck.sign_justice_transaction(justice_tx, input, amount, per_commitment_key, htlc);
79 public Result_SignatureNoneZ sign_counterparty_htlc_transaction(byte[] htlc_tx, long input, long amount, byte[] per_commitment_point, HTLCOutputInCommitment htlc) {
80 return underlying_ck.sign_counterparty_htlc_transaction(htlc_tx, input, amount, per_commitment_point, htlc);
84 public Result_SignatureNoneZ sign_closing_transaction(byte[] closing_tx) {
85 return underlying_ck.sign_closing_transaction(closing_tx);
89 public Result_SignatureNoneZ sign_channel_announcement(UnsignedChannelAnnouncement msg) {
90 return underlying_ck.sign_channel_announcement(msg);
94 public void ready_channel(ChannelTransactionParameters params) {
95 underlying_ck.ready_channel(params);
99 public byte[] write() {
100 return underlying_ck.write();
103 Sign resp = Sign.new_impl(si, underlying_ck.get_pubkeys());
104 must_free_objs.add(new WeakReference<>(si));
105 must_free_objs.add(new WeakReference<>(resp));
106 must_free_objs.add(new WeakReference<>(underlying_ck));
111 public byte[] get_secure_random_bytes() {
112 return underlying_if.get_secure_random_bytes();
116 public Result_SignDecodeErrorZ read_chan_signer(byte[] reader) {
117 return underlying_if.read_chan_signer(reader);
122 Watch get_manual_watch() {
123 Watch.WatchInterface watch_impl = new Watch.WatchInterface() {
124 public Result_NoneChannelMonitorUpdateErrZ watch_channel(OutPoint funding_txo, ChannelMonitor monitor) {
125 synchronized (monitors) {
126 assert monitors.put(Arrays.toString(funding_txo.get_txid()), monitor) == null;
128 return new Result_NoneChannelMonitorUpdateErrZ.Result_NoneChannelMonitorUpdateErrZ_OK();
131 public Result_NoneChannelMonitorUpdateErrZ update_channel(OutPoint funding_txo, ChannelMonitorUpdate update) {
132 synchronized (monitors) {
133 String txid = Arrays.toString(funding_txo.get_txid());
134 assert monitors.containsKey(txid);
135 Result_NoneMonitorUpdateErrorZ update_res = monitors.get(txid).update_monitor(update, tx_broadcaster, fee_estimator, logger);
136 assert update_res instanceof Result_NoneMonitorUpdateErrorZ.Result_NoneMonitorUpdateErrorZ_OK;
138 return new Result_NoneChannelMonitorUpdateErrZ.Result_NoneChannelMonitorUpdateErrZ_OK();
142 public MonitorEvent[] release_pending_monitor_events() {
143 synchronized (monitors) {
144 assert monitors.size() <= 1;
145 for (ChannelMonitor mon : monitors.values()) {
146 return mon.get_and_clear_pending_monitor_events();
149 return new MonitorEvent[0];
152 Watch watch = Watch.new_impl(watch_impl);
153 must_free_objs.add(new WeakReference<>(watch_impl));
154 must_free_objs.add(new WeakReference<>(watch));
158 NioPeerHandler nio_peer_handler;
162 final FeeEstimator fee_estimator;
163 final BroadcasterInterface tx_broadcaster;
164 final KeysInterface keys_interface;
165 final ChainMonitor chain_monitor;
166 final NetGraphMsgHandler router;
167 final Watch chain_watch;
168 ChannelManager chan_manager;
169 EventsProvider chan_manager_events;
170 PeerManager peer_manager;
171 final HashMap<String, ChannelMonitor> monitors; // Wow I forgot just how terrible Java is - we can't put a byte array here.
173 final LinkedList<byte[]> broadcast_set = new LinkedList<>();
175 private TwoTuple<OutPoint, byte[]> test_mon_roundtrip(ChannelMonitor mon) {
176 // Because get_funding_txo() returns an OutPoint in a tuple that is a reference to an OutPoint inside the
177 // ChannelMonitor, its a good test to ensure that the OutPoint isn't freed (or is cloned) before the
178 // ChannelMonitor is. This used to be broken.
179 Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ roundtrip_monitor = UtilMethods.constructor_BlockHashChannelMonitorZ_read(mon.write(), keys_interface);
180 assert roundtrip_monitor instanceof Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK;
181 TwoTuple<OutPoint, byte[]> funding_txo = ((Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK) roundtrip_monitor).res.b.get_funding_txo();
182 System.gc(); System.runFinalization(); // Give the GC a chance to run.
186 private Peer(Object _dummy, byte seed) {
187 logger = Logger.new_impl((String arg) -> System.out.println(seed + ": " + arg));
188 fee_estimator = FeeEstimator.new_impl((confirmation_target -> 253));
189 tx_broadcaster = BroadcasterInterface.new_impl(tx -> {
190 broadcast_set.add(tx);
192 monitors = new HashMap<>();
194 Persist persister = Persist.new_impl(new Persist.PersistInterface() {
196 public Result_NoneChannelMonitorUpdateErrZ persist_new_channel(OutPoint id, ChannelMonitor data) {
197 synchronized (monitors) {
198 String key = Arrays.toString(id.to_channel_id());
199 assert monitors.put(key, data) == null;
200 TwoTuple<OutPoint, byte[]> res = test_mon_roundtrip(data);
201 assert Arrays.equals(res.a.get_txid(), id.get_txid());
202 assert res.a.get_index() == id.get_index();
204 return new Result_NoneChannelMonitorUpdateErrZ.Result_NoneChannelMonitorUpdateErrZ_OK();
208 public Result_NoneChannelMonitorUpdateErrZ update_persisted_channel(OutPoint id, ChannelMonitorUpdate update, ChannelMonitor data) {
209 synchronized (monitors) {
210 String key = Arrays.toString(id.to_channel_id());
211 assert monitors.put(key, data) != null;
212 TwoTuple<OutPoint, byte[]> res = test_mon_roundtrip(data);
213 assert Arrays.equals(res.a.get_txid(), id.get_txid());
214 assert res.a.get_index() == id.get_index();
216 return new Result_NoneChannelMonitorUpdateErrZ.Result_NoneChannelMonitorUpdateErrZ_OK();
219 if (use_manual_watch) {
220 chain_watch = get_manual_watch();
221 chain_monitor = null;
223 chain_monitor = ChainMonitor.constructor_new(null, tx_broadcaster, logger, fee_estimator, persister);
224 chain_watch = chain_monitor.as_Watch();
227 byte[] key_seed = new byte[32];
228 for (byte i = 0; i < 32; i++) {
229 key_seed[i] = (byte) (i ^ seed);
231 KeysManager keys = KeysManager.constructor_new(key_seed, System.currentTimeMillis() / 1000, (int) (System.currentTimeMillis() * 1000));
232 if (use_km_wrapper) {
233 this.keys_interface = manual_keysif(keys.as_KeysInterface());
235 this.keys_interface = keys.as_KeysInterface();
237 this.router = NetGraphMsgHandler.constructor_new(new byte[32], null, logger);
239 private void bind_nio() {
240 if (!use_nio_peer_handler) return;
241 try { this.nio_peer_handler = new NioPeerHandler(peer_manager); } catch (IOException e) { assert false; }
242 for (short i = 10_000; true; i++) {
244 nio_peer_handler.bind_listener(new InetSocketAddress("127.0.0.1", i));
247 } catch (IOException e) { assert i < 10_500; }
252 this.chan_manager = ChannelManager.constructor_new(LDKNetwork.LDKNetwork_Bitcoin, FeeEstimator.new_impl(confirmation_target -> 0), chain_watch, tx_broadcaster, logger, this.keys_interface, UserConfig.constructor_default(), 1);
253 this.node_id = chan_manager.get_our_node_id();
254 this.chan_manager_events = chan_manager.as_EventsProvider();
256 byte[] random_data = new byte[32];
257 for (byte i = 0; i < 32; i++) {
258 random_data[i] = (byte) ((i ^ seed) ^ 0xf0);
260 this.peer_manager = PeerManager.constructor_new(chan_manager.as_ChannelMessageHandler(), router.as_RoutingMessageHandler(), keys_interface.get_node_secret(), random_data, logger);
266 this(null, orig.seed);
267 ChannelMonitor[] monitors = new ChannelMonitor[1];
268 synchronized (monitors) {
269 assert orig.monitors.size() == 1;
270 monitors[0] = orig.monitors.values().stream().iterator().next();
271 if (break_cross_peer_refs) {
272 Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ res = UtilMethods.constructor_BlockHashChannelMonitorZ_read(monitors[0].write(), keys_interface);
273 assert res instanceof Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK;
274 monitors[0] = ((Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK) res).res.b;
277 byte[] serialized = orig.chan_manager.write();
278 Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ read_res =
279 UtilMethods.constructor_BlockHashChannelManagerZ_read(serialized, this.keys_interface, this.fee_estimator, this.chain_watch, this.tx_broadcaster, this.logger, UserConfig.constructor_default(), monitors);
280 if (!break_cross_peer_refs && (use_manual_watch || use_km_wrapper)) {
281 // When we pass monitors[0] into chain_watch.watch_channel we create a reference from the new Peer to a
282 // field in the old peer, preventing freeing of the original Peer until the new Peer is freed. Thus, we
283 // shouldn't bother waiting for the original to be freed later on.
284 cross_reload_ref_pollution = true;
286 this.chain_watch.watch_channel(monitors[0].get_funding_txo().a, monitors[0]);
287 assert read_res instanceof Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_OK;
288 this.chan_manager = ((Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_OK) read_res).res.b;
289 this.node_id = chan_manager.get_our_node_id();
290 this.chan_manager_events = chan_manager.as_EventsProvider();
292 if (cross_reload_ref_pollution) {
293 // This really, really needs to be handled at the bindings layer, but its rather complicated -
294 // ChannelSigners can be cloned and passed around without java being involved, resulting in them being
295 // owned by both one or more ChannelMonitors and a ChannelManager, with only one having proper pointers
296 // to the ChannelSigner. Ideally, the ChannelSigner would have a global reference to the Java
297 // implementation class, but that results in circular references. Instead, we need some ability to,
298 // while cloning ChannelSigners, add new references in the calling Java struct (ie ChannelMonitor) to
299 // the ChannelSigner.
300 this.ptr_to = orig.chan_manager;
303 byte[] random_data = new byte[32];
304 for (byte i = 0; i < 32; i++) {
305 random_data[i] = (byte) ((i ^ seed) ^ 0xf0);
307 this.peer_manager = PeerManager.constructor_new(chan_manager.as_ChannelMessageHandler(), router.as_RoutingMessageHandler(), keys_interface.get_node_secret(), random_data, logger);
311 TwoTuple<byte[], TwoTuple<Integer, TxOut>[]>[] connect_block(Block b, int height, long expected_monitor_update_len) {
312 byte[] header = Arrays.copyOfRange(b.bitcoinSerialize(), 0, 80);
313 TwoTuple<Long, byte[]>[] txn;
314 if (b.hasTransactions()) {
315 assert b.getTransactions().size() == 1;
316 TwoTuple<Long, byte[]> txp = new TwoTuple<>((long) 1, b.getTransactions().get(0).bitcoinSerialize());
317 txn = new TwoTuple[]{txp};
319 txn = new TwoTuple[0];
320 chan_manager.block_connected(header, txn, height);
321 if (chain_monitor != null) {
322 chain_monitor.block_connected(header, txn, height);
324 synchronized (monitors) {
325 assert monitors.size() == 1;
326 for (ChannelMonitor mon : monitors.values()) {
327 TwoTuple<byte[], TwoTuple<Integer, TxOut>[]>[] ret = mon.block_connected(header, txn, height, tx_broadcaster, fee_estimator, logger);
328 assert ret.length == expected_monitor_update_len;
336 Event[] get_monitor_events() {
337 if (chain_monitor != null) {
338 return chain_monitor.as_EventsProvider().get_and_clear_pending_events();
340 synchronized (monitors) {
341 assert monitors.size() == 1;
342 for (ChannelMonitor mon : monitors.values()) {
343 return mon.get_and_clear_pending_events();
350 Route get_route(byte[] dest_node, ChannelDetails[] our_chans) {
351 try (LockedNetworkGraph netgraph = this.router.read_locked_graph()) {
352 NetworkGraph graph = netgraph.graph();
353 long res = bindings.get_route(this.node_id, graph._test_only_get_ptr(), dest_node, new long[]{our_chans[0]._test_only_get_ptr()},
354 new long[0], 1000, 42, this.logger._test_only_get_ptr());
355 assert bindings.LDKCResult_RouteLightningErrorZ_result_ok(res);
356 byte[] serialized_route = bindings.Route_write(bindings.LDKCResult_RouteLightningErrorZ_get_ok(res));
357 must_free_objs.add(new WeakReference<>(serialized_route));
358 Result_RouteDecodeErrorZ copy = Route.constructor_read(serialized_route);
359 assert copy instanceof Result_RouteDecodeErrorZ.Result_RouteDecodeErrorZ_OK;
360 bindings.CResult_RouteLightningErrorZ_free(res);
361 return ((Result_RouteDecodeErrorZ.Result_RouteDecodeErrorZ_OK) copy).res;
366 static class DescriptorHolder { SocketDescriptor val; }
368 boolean running = false;
369 final LinkedList<Runnable> runqueue = new LinkedList();
371 Thread t = new Thread(() -> {
375 synchronized (runqueue) {
376 while (runqueue.isEmpty()) {
380 r = runqueue.pollFirst();
383 synchronized (runqueue) {
385 runqueue.notifyAll();
387 } catch (InterruptedException e) {
392 void wait_events_processed(Peer peer1, Peer peer2) {
393 if (use_nio_peer_handler) {
394 peer1.nio_peer_handler.check_events();
395 peer2.nio_peer_handler.check_events();
396 try { Thread.sleep(400); } catch (InterruptedException e) { assert false; }
398 synchronized (runqueue) {
402 peer1.peer_manager.process_events();
403 peer2.peer_manager.process_events();
404 synchronized (runqueue) {
405 if (runqueue.isEmpty() && !running) {
411 try { runqueue.wait(); } catch (InterruptedException e) { assert false; }
416 void do_read_event(PeerManager pm, SocketDescriptor descriptor, byte[] data) {
417 if (!t.isAlive()) t.start();
418 synchronized (runqueue) {
421 Result_boolPeerHandleErrorZ res = pm.read_event(descriptor, data);
422 assert res instanceof Result_boolPeerHandleErrorZ.Result_boolPeerHandleErrorZ_OK;
424 runqueue.notifyAll();
426 must_free_objs.add(new WeakReference<>(data));
429 void connect_peers(final Peer peer1, final Peer peer2) {
430 if (use_nio_peer_handler) {
432 peer1.nio_peer_handler.connect(peer2.chan_manager.get_our_node_id(), new InetSocketAddress("127.0.0.1", peer2.nio_port));
433 } catch (IOException e) { assert false; }
435 DescriptorHolder descriptor1 = new DescriptorHolder();
436 DescriptorHolder descriptor1ref = descriptor1;
437 SocketDescriptor descriptor2 = SocketDescriptor.new_impl(new SocketDescriptor.SocketDescriptorInterface() {
439 public long send_data(byte[] data, boolean resume_read) {
440 do_read_event(peer1.peer_manager, descriptor1ref.val, data);
444 @Override public void disconnect_socket() { assert false; }
445 @Override public boolean eq(SocketDescriptor other_arg) { return other_arg.hash() == 2; }
446 @Override public long hash() { return 2; }
449 descriptor1.val = SocketDescriptor.new_impl(new SocketDescriptor.SocketDescriptorInterface() {
451 public long send_data(byte[] data, boolean resume_read) {
452 do_read_event(peer2.peer_manager, descriptor2, data);
456 @Override public void disconnect_socket() { assert false; }
457 @Override public boolean eq(SocketDescriptor other_arg) { return other_arg.hash() == 1; }
458 @Override public long hash() { return 1; }
461 Result_CVec_u8ZPeerHandleErrorZ conn_res = peer1.peer_manager.new_outbound_connection(peer2.node_id, descriptor1.val);
462 assert conn_res instanceof Result_CVec_u8ZPeerHandleErrorZ.Result_CVec_u8ZPeerHandleErrorZ_OK;
464 Result_NonePeerHandleErrorZ inbound_conn_res = peer2.peer_manager.new_inbound_connection(descriptor2);
465 assert inbound_conn_res instanceof Result_NonePeerHandleErrorZ.Result_NonePeerHandleErrorZ_OK;
466 do_read_event(peer2.peer_manager, descriptor2, ((Result_CVec_u8ZPeerHandleErrorZ.Result_CVec_u8ZPeerHandleErrorZ_OK) conn_res).res);
470 TestState do_test_message_handler() throws InterruptedException {
471 Peer peer1 = new Peer((byte) 1);
472 Peer peer2 = new Peer((byte) 2);
474 connect_peers(peer1, peer2);
475 wait_events_processed(peer1, peer2);
477 Result_NoneAPIErrorZ cc_res = peer1.chan_manager.create_channel(peer2.node_id, 10000, 1000, 42, null);
478 assert cc_res instanceof Result_NoneAPIErrorZ.Result_NoneAPIErrorZ_OK;
479 wait_events_processed(peer1, peer2);
481 Event[] events = peer1.chan_manager_events.get_and_clear_pending_events();
482 assert events.length == 1;
483 assert events[0] instanceof Event.FundingGenerationReady;
484 assert ((Event.FundingGenerationReady) events[0]).channel_value_satoshis == 10000;
485 assert ((Event.FundingGenerationReady) events[0]).user_channel_id == 42;
486 byte[] funding_spk = ((Event.FundingGenerationReady) events[0]).output_script;
487 assert funding_spk.length == 34 && funding_spk[0] == 0 && funding_spk[1] == 32; // P2WSH
488 byte[] chan_id = ((Event.FundingGenerationReady) events[0]).temporary_channel_id;
490 NetworkParameters bitcoinj_net = NetworkParameters.fromID(NetworkParameters.ID_MAINNET);
492 Transaction funding = new Transaction(bitcoinj_net);
493 funding.addInput(new TransactionInput(bitcoinj_net, funding, new byte[0]));
494 funding.getInputs().get(0).setWitness(new TransactionWitness(2)); // Make sure we don't complain about lack of witness
495 funding.getInput(0).getWitness().setPush(0, new byte[]{0x1});
496 funding.addOutput(Coin.SATOSHI.multiply(10000), new Script(funding_spk));
497 peer1.chan_manager.funding_transaction_generated(chan_id, OutPoint.constructor_new(funding.getTxId().getReversedBytes(), (short) 0));
498 wait_events_processed(peer1, peer2);
500 events = peer1.chan_manager_events.get_and_clear_pending_events();
501 assert events.length == 1;
502 assert events[0] instanceof Event.FundingBroadcastSafe;
503 assert ((Event.FundingBroadcastSafe) events[0]).user_channel_id == 42;
505 Block b = new Block(bitcoinj_net, 2, Sha256Hash.ZERO_HASH, Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[]{funding}));
506 peer1.connect_block(b, 1, 0);
507 peer2.connect_block(b, 1, 0);
509 for (int height = 2; height < 10; height++) {
510 b = new Block(bitcoinj_net, 2, b.getHash(), Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[0]));
511 peer1.connect_block(b, height, 0);
512 peer2.connect_block(b, height, 0);
514 wait_events_processed(peer1, peer2);
516 peer1.chan_manager.list_channels();
517 ChannelDetails[] peer1_chans = peer1.chan_manager.list_channels();
518 ChannelDetails[] peer2_chans = peer2.chan_manager.list_channels();
519 assert peer1_chans.length == 1;
520 assert peer2_chans.length == 1;
521 assert peer1_chans[0].get_channel_value_satoshis() == 10000;
522 assert peer1_chans[0].get_is_live();
523 assert Arrays.equals(peer1_chans[0].get_channel_id(), funding.getTxId().getReversedBytes());
524 assert Arrays.equals(peer2_chans[0].get_channel_id(), funding.getTxId().getReversedBytes());
526 byte[] payment_preimage = new byte[32];
527 for (int i = 0; i < 32; i++) payment_preimage[i] = (byte) (i ^ 0x0f);
528 byte[] payment_hash = Sha256Hash.hash(payment_preimage);
529 Route route = peer1.get_route(peer2.node_id, peer1_chans);
530 Result_NonePaymentSendFailureZ payment_res = peer1.chan_manager.send_payment(route, payment_hash, new byte[32]);
531 assert payment_res instanceof Result_NonePaymentSendFailureZ.Result_NonePaymentSendFailureZ_OK;
532 wait_events_processed(peer1, peer2);
534 RouteHop[][] hops = new RouteHop[1][1];
535 byte[] hop_pubkey = new byte[33];
538 hops[0][0] = RouteHop.constructor_new(hop_pubkey, NodeFeatures.constructor_known(), 42, ChannelFeatures.constructor_known(), 100, 0);
539 Route r2 = Route.constructor_new(hops);
540 payment_res = peer1.chan_manager.send_payment(r2, payment_hash, new byte[32]);
541 assert payment_res instanceof Result_NonePaymentSendFailureZ.Result_NonePaymentSendFailureZ_Err;
543 assert peer1.get_monitor_events().length == 0;
544 assert peer2.get_monitor_events().length == 0;
547 if (use_nio_peer_handler) {
548 peer1.nio_peer_handler.interrupt();
549 peer2.nio_peer_handler.interrupt();
551 WeakReference<Peer> op1 = new WeakReference<Peer>(peer1);
552 peer1 = new Peer(peer1);
553 peer2 = new Peer(peer2);
554 return new TestState(op1, peer1, peer2, payment_preimage, b.getHash());
556 return new TestState(null, peer1, peer2, payment_preimage, b.getHash());
559 boolean cross_reload_ref_pollution = false;
561 private final WeakReference<Peer> ref_block;
562 private final Peer peer1;
563 private final Peer peer2;
564 private final byte[] payment_preimage;
565 public Sha256Hash best_blockhash;
567 public TestState(WeakReference<Peer> ref_block, Peer peer1, Peer peer2, byte[] payment_preimage, Sha256Hash best_blockhash) {
568 this.ref_block = ref_block;
571 this.payment_preimage = payment_preimage;
572 this.best_blockhash = best_blockhash;
575 void do_test_message_handler_b(TestState state) {
576 GcCheck obj = new GcCheck();
577 if (state.ref_block != null) {
578 // Ensure the original peers get freed before we move on. Note that we have to be in a different function
579 // scope to do so as the (at least current OpenJDK) JRE won't release anything created in the same scope.
580 while (!cross_reload_ref_pollution && state.ref_block.get() != null) {
582 System.runFinalization();
584 connect_peers(state.peer1, state.peer2);
585 wait_events_processed(state.peer1, state.peer2);
588 Event[] events = state.peer2.chan_manager_events.get_and_clear_pending_events();
589 assert events.length == 1;
590 assert events[0] instanceof Event.PendingHTLCsForwardable;
591 state.peer2.chan_manager.process_pending_htlc_forwards();
593 events = state.peer2.chan_manager_events.get_and_clear_pending_events();
594 assert events.length == 1;
595 assert events[0] instanceof Event.PaymentReceived;
596 state.peer2.chan_manager.claim_funds(state.payment_preimage, new byte[32], ((Event.PaymentReceived) events[0]).amt);
597 wait_events_processed(state.peer1, state.peer2);
599 events = state.peer1.chan_manager_events.get_and_clear_pending_events();
600 assert events.length == 1;
601 assert events[0] instanceof Event.PaymentSent;
602 assert Arrays.equals(((Event.PaymentSent) events[0]).payment_preimage, state.payment_preimage);
603 wait_events_processed(state.peer1, state.peer2);
605 ChannelDetails[] peer1_chans = state.peer1.chan_manager.list_channels();
608 Result_NoneAPIErrorZ close_res = state.peer1.chan_manager.close_channel(peer1_chans[0].get_channel_id());
609 assert close_res instanceof Result_NoneAPIErrorZ.Result_NoneAPIErrorZ_OK;
610 wait_events_processed(state.peer1, state.peer2);
612 assert state.peer1.broadcast_set.size() == 1;
613 assert state.peer2.broadcast_set.size() == 1;
615 state.peer1.chan_manager.force_close_all_channels();
616 wait_events_processed(state.peer1, state.peer2);
618 assert state.peer1.broadcast_set.size() == 1;
619 assert state.peer2.broadcast_set.size() == 0;
621 NetworkParameters bitcoinj_net = NetworkParameters.fromID(NetworkParameters.ID_MAINNET);
622 Transaction tx = new Transaction(bitcoinj_net, state.peer1.broadcast_set.getFirst());
623 Block b = new Block(bitcoinj_net, 2, state.best_blockhash, Sha256Hash.ZERO_HASH, 42, 0, 0,
624 Arrays.asList(new Transaction[]{tx}));
625 TwoTuple<byte[], TwoTuple<Integer, TxOut>[]>[] watch_outputs = state.peer2.connect_block(b, 1, 1);
626 if (watch_outputs != null) { // We only process watch_outputs manually when we use a manually-build Watch impl
627 assert watch_outputs.length == 1;
628 assert Arrays.equals(watch_outputs[0].a, tx.getTxId().getReversedBytes());
629 assert watch_outputs[0].b.length == 1;
632 // This used to be buggy and double-free, so go ahead and fetch them!
633 for (ChannelMonitor mon : state.peer2.monitors.values()) {
634 byte[][] txn = mon.get_latest_holder_commitment_txn(state.peer2.logger);
638 if (use_nio_peer_handler) {
639 state.peer1.peer_manager.disconnect_by_node_id(state.peer2.chan_manager.get_our_node_id(), false);
640 wait_events_processed(state.peer1, state.peer2);
641 assert state.peer1.peer_manager.get_peer_node_ids().length == 0;
642 assert state.peer2.peer_manager.get_peer_node_ids().length == 0;
643 state.peer1.nio_peer_handler.interrupt();
644 state.peer2.nio_peer_handler.interrupt();
647 assert state.peer1.get_monitor_events().length == 0;
648 assert state.peer2.get_monitor_events().length == 0;
651 java.util.LinkedList<WeakReference<Object>> must_free_objs = new java.util.LinkedList();
652 boolean gc_ran = false;
655 protected void finalize() throws Throwable {
661 public class HumanObjectPeerTest {
662 HumanObjectPeerTestInstance do_test_run(boolean nice_close, boolean use_km_wrapper, boolean use_manual_watch, boolean reload_peers, boolean break_cross_peer_refs, boolean nio_peer_handler) throws InterruptedException {
663 HumanObjectPeerTestInstance instance = new HumanObjectPeerTestInstance(nice_close, use_km_wrapper, use_manual_watch, reload_peers, break_cross_peer_refs, nio_peer_handler);
664 HumanObjectPeerTestInstance.TestState state = instance.do_test_message_handler();
665 instance.do_test_message_handler_b(state);
668 void do_test(boolean nice_close, boolean use_km_wrapper, boolean use_manual_watch, boolean reload_peers, boolean break_cross_peer_refs, boolean nio_peer_handler) throws InterruptedException {
669 HumanObjectPeerTestInstance instance = do_test_run(nice_close, use_km_wrapper, use_manual_watch, reload_peers, break_cross_peer_refs, nio_peer_handler);
670 while (!instance.gc_ran) {
672 System.runFinalization();
674 for (WeakReference<Object> o : instance.must_free_objs)
675 assert o.get() == null;
678 public void test_message_handler() throws InterruptedException {
679 for (int i = 0; i < (1 << 6) - 1; i++) {
680 boolean nice_close = (i & (1 << 0)) != 0;
681 boolean use_km_wrapper = (i & (1 << 1)) != 0;
682 boolean use_manual_watch = (i & (1 << 2)) != 0;
683 boolean reload_peers = (i & (1 << 3)) != 0;
684 boolean break_cross_refs = (i & (1 << 4)) != 0;
685 boolean nio_peer_handler = (i & (1 << 5)) != 0;
686 if (break_cross_refs && !reload_peers) {
687 // There are no cross refs to break without reloading peers.
690 System.err.println("Running test with flags " + i);
691 do_test(nice_close, use_km_wrapper, use_manual_watch, reload_peers, break_cross_refs, nio_peer_handler);