3 import org.bitcoinj.core.*;
4 import org.bitcoinj.script.Script;
5 import org.junit.jupiter.api.Test;
6 import org.ldk.batteries.NioPeerHandler;
7 import org.ldk.enums.LDKNetwork;
8 import org.ldk.impl.bindings;
9 import org.ldk.structs.*;
10 import org.ldk.util.TwoTuple;
12 import java.io.IOException;
13 import java.lang.ref.WeakReference;
14 import java.net.InetSocketAddress;
17 class HumanObjectPeerTestInstance {
18 private final boolean nice_close;
19 private final boolean use_km_wrapper;
20 private final boolean use_manual_watch;
21 private final boolean reload_peers;
22 private final boolean break_cross_peer_refs;
23 private final boolean use_nio_peer_handler;
24 private final boolean use_filter;
26 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, boolean use_filter) {
27 this.nice_close = nice_close;
28 this.use_km_wrapper = use_km_wrapper;
29 this.use_manual_watch = use_manual_watch;
30 this.reload_peers = reload_peers;
31 this.break_cross_peer_refs = break_cross_peer_refs;
32 this.use_nio_peer_handler = use_nio_peer_handler;
33 this.use_filter = use_filter;
37 KeysInterface manual_keysif(KeysInterface underlying_if) {
38 return KeysInterface.new_impl(new KeysInterface.KeysInterfaceInterface() {
39 @Override public byte[] get_node_secret() { return underlying_if.get_node_secret(); }
40 @Override public byte[] get_destination_script() { return underlying_if.get_destination_script(); }
41 @Override public byte[] get_shutdown_pubkey() { return underlying_if.get_shutdown_pubkey(); }
44 public Sign get_channel_signer(boolean inbound, long channel_value_satoshis) {
45 Sign underlying_ck = underlying_if.get_channel_signer(inbound, channel_value_satoshis);
46 Sign.SignInterface si = new Sign.SignInterface() {
48 public byte[] get_per_commitment_point(long idx) {
49 return underlying_ck.get_per_commitment_point(idx);
53 public byte[] release_commitment_secret(long idx) {
54 return underlying_ck.release_commitment_secret(idx);
58 public byte[] channel_keys_id() {
63 public Result_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_counterparty_commitment(CommitmentTransaction commitment_tx) {
64 return underlying_ck.sign_counterparty_commitment(commitment_tx);
68 public Result_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_holder_commitment_and_htlcs(HolderCommitmentTransaction holder_commitment_tx) {
69 return underlying_ck.sign_holder_commitment_and_htlcs(holder_commitment_tx);
73 public Result_SignatureNoneZ sign_justice_transaction(byte[] justice_tx, long input, long amount, byte[] per_commitment_key, HTLCOutputInCommitment htlc) {
74 return underlying_ck.sign_justice_transaction(justice_tx, input, amount, per_commitment_key, htlc);
78 public Result_SignatureNoneZ sign_counterparty_htlc_transaction(byte[] htlc_tx, long input, long amount, byte[] per_commitment_point, HTLCOutputInCommitment htlc) {
79 return underlying_ck.sign_counterparty_htlc_transaction(htlc_tx, input, amount, per_commitment_point, htlc);
83 public Result_SignatureNoneZ sign_closing_transaction(byte[] closing_tx) {
84 return underlying_ck.sign_closing_transaction(closing_tx);
88 public Result_SignatureNoneZ sign_channel_announcement(UnsignedChannelAnnouncement msg) {
89 return underlying_ck.sign_channel_announcement(msg);
93 public void ready_channel(ChannelTransactionParameters params) {
94 underlying_ck.ready_channel(params);
98 public byte[] write() {
99 return underlying_ck.write();
102 Sign resp = Sign.new_impl(si, underlying_ck.get_pubkeys());
103 must_free_objs.add(new WeakReference<>(si));
104 must_free_objs.add(new WeakReference<>(resp));
105 must_free_objs.add(new WeakReference<>(underlying_ck));
110 public byte[] get_secure_random_bytes() {
111 return underlying_if.get_secure_random_bytes();
115 public Result_SignDecodeErrorZ read_chan_signer(byte[] reader) {
116 return underlying_if.read_chan_signer(reader);
121 Watch get_manual_watch() {
122 Watch.WatchInterface watch_impl = new Watch.WatchInterface() {
123 public Result_NoneChannelMonitorUpdateErrZ watch_channel(OutPoint funding_txo, ChannelMonitor monitor) {
124 synchronized (monitors) {
125 assert monitors.put(Arrays.toString(funding_txo.get_txid()), monitor) == null;
127 return Result_NoneChannelMonitorUpdateErrZ.constructor_ok();
130 public Result_NoneChannelMonitorUpdateErrZ update_channel(OutPoint funding_txo, ChannelMonitorUpdate update) {
131 synchronized (monitors) {
132 String txid = Arrays.toString(funding_txo.get_txid());
133 assert monitors.containsKey(txid);
134 Result_NoneMonitorUpdateErrorZ update_res = monitors.get(txid).update_monitor(update, tx_broadcaster, fee_estimator, logger);
135 assert update_res instanceof Result_NoneMonitorUpdateErrorZ.Result_NoneMonitorUpdateErrorZ_OK;
137 return Result_NoneChannelMonitorUpdateErrZ.constructor_ok();
141 public MonitorEvent[] release_pending_monitor_events() {
142 synchronized (monitors) {
143 assert monitors.size() <= 1;
144 for (ChannelMonitor mon : monitors.values()) {
145 return mon.get_and_clear_pending_monitor_events();
148 return new MonitorEvent[0];
151 Watch watch = Watch.new_impl(watch_impl);
152 must_free_objs.add(new WeakReference<>(watch_impl));
153 must_free_objs.add(new WeakReference<>(watch));
157 NioPeerHandler nio_peer_handler;
161 final FeeEstimator fee_estimator;
162 final BroadcasterInterface tx_broadcaster;
163 final KeysManager explicit_keys_manager;
164 final KeysInterface keys_interface;
165 final ChainMonitor chain_monitor;
166 final NetGraphMsgHandler router;
167 final Watch chain_watch;
168 final HashSet<String> filter_additions;
170 ChannelManager chan_manager;
171 EventsProvider chan_manager_events;
172 PeerManager peer_manager;
173 final HashMap<String, ChannelMonitor> monitors; // Wow I forgot just how terrible Java is - we can't put a byte array here.
175 final LinkedList<byte[]> broadcast_set = new LinkedList<>();
176 GcCheck obj = new GcCheck();
178 private TwoTuple<OutPoint, byte[]> test_mon_roundtrip(ChannelMonitor mon) {
179 // Because get_funding_txo() returns an OutPoint in a tuple that is a reference to an OutPoint inside the
180 // ChannelMonitor, its a good test to ensure that the OutPoint isn't freed (or is cloned) before the
181 // ChannelMonitor is. This used to be broken.
182 Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ roundtrip_monitor = UtilMethods.constructor_BlockHashChannelMonitorZ_read(mon.write(), keys_interface);
183 assert roundtrip_monitor instanceof Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK;
184 TwoTuple<OutPoint, byte[]> funding_txo = ((Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK) roundtrip_monitor).res.b.get_funding_txo();
185 System.gc(); System.runFinalization(); // Give the GC a chance to run.
189 private Peer(Object _dummy, byte seed) {
190 logger = Logger.new_impl((String arg) -> System.out.println(seed + ": " + arg));
191 fee_estimator = FeeEstimator.new_impl((confirmation_target -> 253));
192 tx_broadcaster = BroadcasterInterface.new_impl(tx -> {
193 broadcast_set.add(tx);
195 monitors = new HashMap<>();
197 Persist persister = Persist.new_impl(new Persist.PersistInterface() {
199 public Result_NoneChannelMonitorUpdateErrZ persist_new_channel(OutPoint id, ChannelMonitor data) {
200 synchronized (monitors) {
201 String key = Arrays.toString(id.to_channel_id());
202 assert monitors.put(key, data) == null;
203 TwoTuple<OutPoint, byte[]> res = test_mon_roundtrip(data);
204 assert Arrays.equals(res.a.get_txid(), id.get_txid());
205 assert res.a.get_index() == id.get_index();
207 return Result_NoneChannelMonitorUpdateErrZ.constructor_ok();
211 public Result_NoneChannelMonitorUpdateErrZ update_persisted_channel(OutPoint id, ChannelMonitorUpdate update, ChannelMonitor data) {
212 synchronized (monitors) {
213 String key = Arrays.toString(id.to_channel_id());
214 assert monitors.put(key, data) != null;
215 TwoTuple<OutPoint, byte[]> res = test_mon_roundtrip(data);
216 assert Arrays.equals(res.a.get_txid(), id.get_txid());
217 assert res.a.get_index() == id.get_index();
219 return Result_NoneChannelMonitorUpdateErrZ.constructor_ok();
223 filter_additions = new HashSet<>();
225 this.filter = Filter.new_impl(new Filter.FilterInterface() {
226 @Override public void register_tx(byte[] txid, byte[] script_pubkey) {
227 filter_additions.add(Arrays.toString(txid));
229 @Override public Option_C2Tuple_usizeTransactionZZ register_output(WatchedOutput output) {
230 filter_additions.add(Arrays.toString(output.get_outpoint().get_txid()) + ":" + output.get_outpoint().get_index());
231 return Option_C2Tuple_usizeTransactionZZ.constructor_none();
238 if (use_manual_watch) {
239 chain_watch = get_manual_watch();
240 chain_monitor = null;
242 chain_monitor = ChainMonitor.constructor_new(filter, tx_broadcaster, logger, fee_estimator, persister);
243 chain_watch = chain_monitor.as_Watch();
246 byte[] key_seed = new byte[32];
247 for (byte i = 0; i < 32; i++) {
248 key_seed[i] = (byte) (i ^ seed);
250 KeysManager keys = KeysManager.constructor_new(key_seed, System.currentTimeMillis() / 1000, (int) (System.currentTimeMillis() * 1000));
251 if (use_km_wrapper) {
252 this.keys_interface = manual_keysif(keys.as_KeysInterface());
253 this.explicit_keys_manager = null;
255 this.keys_interface = keys.as_KeysInterface();
256 this.explicit_keys_manager = keys;
258 this.router = NetGraphMsgHandler.constructor_new(new byte[32], null, logger);
260 private void bind_nio() {
261 if (!use_nio_peer_handler) return;
262 try { this.nio_peer_handler = new NioPeerHandler(peer_manager); } catch (IOException e) { assert false; }
263 for (short i = 10_000; true; i++) {
265 nio_peer_handler.bind_listener(new InetSocketAddress("127.0.0.1", i));
268 } catch (IOException e) { assert i < 10_500; }
273 this.chan_manager = ChannelManager.constructor_new(FeeEstimator.new_impl(confirmation_target -> 0), chain_watch, tx_broadcaster, logger, this.keys_interface, UserConfig.constructor_default(), LDKNetwork.LDKNetwork_Bitcoin, new byte[32], 0);
274 this.node_id = chan_manager.get_our_node_id();
275 this.chan_manager_events = chan_manager.as_EventsProvider();
277 byte[] random_data = new byte[32];
278 for (byte i = 0; i < 32; i++) {
279 random_data[i] = (byte) ((i ^ seed) ^ 0xf0);
281 this.peer_manager = PeerManager.constructor_new(chan_manager.as_ChannelMessageHandler(), router.as_RoutingMessageHandler(), keys_interface.get_node_secret(), random_data, logger);
287 this(null, orig.seed);
288 // TODO: Optionally test ChannelManagerConstructor
289 ChannelMonitor[] monitors = new ChannelMonitor[1];
290 synchronized (monitors) {
291 assert orig.monitors.size() == 1;
292 if (!break_cross_peer_refs) {
293 monitors[0] = orig.monitors.values().stream().iterator().next();
295 byte[] serialized = orig.monitors.values().stream().iterator().next().write();
296 Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ res =
297 UtilMethods.constructor_BlockHashChannelMonitorZ_read(serialized, this.keys_interface);
298 assert res instanceof Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK;
299 monitors[0] = ((Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK) res).res.b;
302 byte[] serialized = orig.chan_manager.write();
303 Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ read_res =
304 UtilMethods.constructor_BlockHashChannelManagerZ_read(serialized, this.keys_interface, this.fee_estimator, this.chain_watch, this.tx_broadcaster, this.logger, UserConfig.constructor_default(), monitors);
305 assert read_res instanceof Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_OK;
306 this.chan_manager = ((Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_OK) read_res).res.b;
307 this.chain_watch.watch_channel(monitors[0].get_funding_txo().a, monitors[0]);
308 if (!break_cross_peer_refs && (use_manual_watch || use_km_wrapper)) {
309 // When we pass monitors[0] into chain_watch.watch_channel we create a reference from the new Peer to a
310 // field in the old peer, preventing freeing of the original Peer until the new Peer is freed. Thus, we
311 // shouldn't bother waiting for the original to be freed later on.
312 cross_reload_ref_pollution = true;
314 this.node_id = chan_manager.get_our_node_id();
315 this.chan_manager_events = chan_manager.as_EventsProvider();
317 if (cross_reload_ref_pollution) {
318 // This really, really needs to be handled at the bindings layer, but its rather complicated -
319 // ChannelSigners can be cloned and passed around without java being involved, resulting in them being
320 // owned by both one or more ChannelMonitors and a ChannelManager, with only one having proper pointers
321 // to the ChannelSigner. Ideally, the ChannelSigner would have a global reference to the Java
322 // implementation class, but that results in circular references. Instead, we need some ability to,
323 // while cloning ChannelSigners, add new references in the calling Java struct (ie ChannelMonitor) to
324 // the ChannelSigner.
325 this.ptr_to = orig.chan_manager;
328 byte[] random_data = new byte[32];
329 for (byte i = 0; i < 32; i++) {
330 random_data[i] = (byte) ((i ^ seed) ^ 0xf0);
332 this.peer_manager = PeerManager.constructor_new(chan_manager.as_ChannelMessageHandler(), router.as_RoutingMessageHandler(), keys_interface.get_node_secret(), random_data, logger);
336 TwoTuple<byte[], TwoTuple<Integer, TxOut>[]>[] connect_block(Block b, int height, long expected_monitor_update_len) {
337 byte[] header = Arrays.copyOfRange(b.bitcoinSerialize(), 0, 80);
338 TwoTuple<Long, byte[]>[] txn;
339 if (b.hasTransactions()) {
340 assert b.getTransactions().size() == 1;
341 TwoTuple<Long, byte[]> txp = new TwoTuple<>((long) 0, b.getTransactions().get(0).bitcoinSerialize());
342 txn = new TwoTuple[]{txp};
344 txn = new TwoTuple[0];
345 chan_manager.as_Listen().block_connected(b.bitcoinSerialize(), height);
346 if (chain_monitor != null) {
347 chain_monitor.block_connected(header, txn, height);
349 synchronized (monitors) {
350 assert monitors.size() == 1;
351 for (ChannelMonitor mon : monitors.values()) {
352 TwoTuple<byte[], TwoTuple<Integer, TxOut>[]>[] ret = mon.block_connected(header, txn, height, tx_broadcaster, fee_estimator, logger);
353 assert ret.length == expected_monitor_update_len;
361 Event[] get_monitor_events() {
362 if (chain_monitor != null) {
363 return chain_monitor.as_EventsProvider().get_and_clear_pending_events();
365 synchronized (monitors) {
366 assert monitors.size() == 1;
367 for (ChannelMonitor mon : monitors.values()) {
368 return mon.get_and_clear_pending_events();
375 Route get_route(byte[] dest_node, ChannelDetails[] our_chans) {
376 try (LockedNetworkGraph netgraph = this.router.read_locked_graph()) {
377 NetworkGraph graph = netgraph.graph();
378 long res = bindings.get_route(this.node_id, graph._test_only_get_ptr(), dest_node, 0L, new long[]{our_chans[0]._test_only_get_ptr()},
379 new long[0], 1000000, 42, this.logger._test_only_get_ptr());
380 assert bindings.LDKCResult_RouteLightningErrorZ_result_ok(res);
381 byte[] serialized_route = bindings.Route_write(bindings.LDKCResult_RouteLightningErrorZ_get_ok(res));
382 must_free_objs.add(new WeakReference<>(serialized_route));
383 Result_RouteDecodeErrorZ copy = Route.constructor_read(serialized_route);
384 assert copy instanceof Result_RouteDecodeErrorZ.Result_RouteDecodeErrorZ_OK;
385 bindings.CResult_RouteLightningErrorZ_free(res);
386 return ((Result_RouteDecodeErrorZ.Result_RouteDecodeErrorZ_OK) copy).res;
391 static class DescriptorHolder { SocketDescriptor val; }
393 boolean running = false;
394 final LinkedList<Runnable> runqueue = new LinkedList();
396 Thread t = new Thread(() -> {
400 synchronized (runqueue) {
401 while (runqueue.isEmpty()) {
405 r = runqueue.pollFirst();
408 synchronized (runqueue) {
410 runqueue.notifyAll();
412 } catch (InterruptedException e) {
417 void wait_events_processed(Peer peer1, Peer peer2) {
418 if (use_nio_peer_handler) {
419 peer1.nio_peer_handler.check_events();
420 peer2.nio_peer_handler.check_events();
421 try { Thread.sleep(400); } catch (InterruptedException e) { assert false; }
423 synchronized (runqueue) {
427 peer1.peer_manager.process_events();
428 peer2.peer_manager.process_events();
429 synchronized (runqueue) {
430 if (runqueue.isEmpty() && !running) {
436 try { runqueue.wait(); } catch (InterruptedException e) { assert false; }
441 void do_read_event(PeerManager pm, SocketDescriptor descriptor, byte[] data) {
442 if (!t.isAlive()) t.start();
443 synchronized (runqueue) {
446 Result_boolPeerHandleErrorZ res = pm.read_event(descriptor, data);
447 assert res instanceof Result_boolPeerHandleErrorZ.Result_boolPeerHandleErrorZ_OK;
449 runqueue.notifyAll();
451 must_free_objs.add(new WeakReference<>(data));
454 void connect_peers(final Peer peer1, final Peer peer2) {
455 if (use_nio_peer_handler) {
457 peer1.nio_peer_handler.connect(peer2.chan_manager.get_our_node_id(), new InetSocketAddress("127.0.0.1", peer2.nio_port), 100);
458 } catch (IOException e) { assert false; }
460 DescriptorHolder descriptor1 = new DescriptorHolder();
461 DescriptorHolder descriptor1ref = descriptor1;
462 SocketDescriptor descriptor2 = SocketDescriptor.new_impl(new SocketDescriptor.SocketDescriptorInterface() {
464 public long send_data(byte[] data, boolean resume_read) {
465 do_read_event(peer1.peer_manager, descriptor1ref.val, data);
469 @Override public void disconnect_socket() { assert false; }
470 @Override public boolean eq(SocketDescriptor other_arg) { return other_arg.hash() == 2; }
471 @Override public long hash() { return 2; }
474 descriptor1.val = SocketDescriptor.new_impl(new SocketDescriptor.SocketDescriptorInterface() {
476 public long send_data(byte[] data, boolean resume_read) {
477 do_read_event(peer2.peer_manager, descriptor2, data);
481 @Override public void disconnect_socket() { assert false; }
482 @Override public boolean eq(SocketDescriptor other_arg) { return other_arg.hash() == 1; }
483 @Override public long hash() { return 1; }
486 Result_CVec_u8ZPeerHandleErrorZ conn_res = peer1.peer_manager.new_outbound_connection(peer2.node_id, descriptor1.val);
487 assert conn_res instanceof Result_CVec_u8ZPeerHandleErrorZ.Result_CVec_u8ZPeerHandleErrorZ_OK;
489 Result_NonePeerHandleErrorZ inbound_conn_res = peer2.peer_manager.new_inbound_connection(descriptor2);
490 assert inbound_conn_res instanceof Result_NonePeerHandleErrorZ.Result_NonePeerHandleErrorZ_OK;
491 do_read_event(peer2.peer_manager, descriptor2, ((Result_CVec_u8ZPeerHandleErrorZ.Result_CVec_u8ZPeerHandleErrorZ_OK) conn_res).res);
495 TestState do_test_message_handler() throws InterruptedException {
496 Peer peer1 = new Peer((byte) 1);
497 Peer peer2 = new Peer((byte) 2);
499 connect_peers(peer1, peer2);
500 wait_events_processed(peer1, peer2);
502 Result_NoneAPIErrorZ cc_res = peer1.chan_manager.create_channel(peer2.node_id, 10000, 1000, 42, null);
503 assert cc_res instanceof Result_NoneAPIErrorZ.Result_NoneAPIErrorZ_OK;
504 wait_events_processed(peer1, peer2);
506 Event[] events = peer1.chan_manager_events.get_and_clear_pending_events();
507 assert events.length == 1;
508 assert events[0] instanceof Event.FundingGenerationReady;
509 assert ((Event.FundingGenerationReady) events[0]).channel_value_satoshis == 10000;
510 assert ((Event.FundingGenerationReady) events[0]).user_channel_id == 42;
511 byte[] funding_spk = ((Event.FundingGenerationReady) events[0]).output_script;
512 assert funding_spk.length == 34 && funding_spk[0] == 0 && funding_spk[1] == 32; // P2WSH
513 byte[] chan_id = ((Event.FundingGenerationReady) events[0]).temporary_channel_id;
515 NetworkParameters bitcoinj_net = NetworkParameters.fromID(NetworkParameters.ID_MAINNET);
517 Transaction funding = new Transaction(bitcoinj_net);
518 funding.addInput(new TransactionInput(bitcoinj_net, funding, new byte[0]));
519 funding.getInputs().get(0).setWitness(new TransactionWitness(2)); // Make sure we don't complain about lack of witness
520 funding.getInput(0).getWitness().setPush(0, new byte[]{0x1});
521 funding.addOutput(Coin.SATOSHI.multiply(10000), new Script(funding_spk));
522 peer1.chan_manager.funding_transaction_generated(chan_id, OutPoint.constructor_new(funding.getTxId().getReversedBytes(), (short) 0));
523 wait_events_processed(peer1, peer2);
525 events = peer1.chan_manager_events.get_and_clear_pending_events();
526 assert events.length == 1;
527 assert events[0] instanceof Event.FundingBroadcastSafe;
528 assert ((Event.FundingBroadcastSafe) events[0]).user_channel_id == 42;
530 Block b = new Block(bitcoinj_net, 2, Sha256Hash.ZERO_HASH, Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[]{funding}));
531 peer1.connect_block(b, 1, 0);
532 peer2.connect_block(b, 1, 0);
534 for (int height = 2; height < 10; height++) {
535 b = new Block(bitcoinj_net, 2, b.getHash(), Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[0]));
536 peer1.connect_block(b, height, 0);
537 peer2.connect_block(b, height, 0);
539 wait_events_processed(peer1, peer2);
541 peer1.chan_manager.list_channels();
542 ChannelDetails[] peer1_chans = peer1.chan_manager.list_usable_channels();
543 ChannelDetails[] peer2_chans = peer2.chan_manager.list_usable_channels();
544 assert peer1_chans.length == 1;
545 assert peer2_chans.length == 1;
546 assert peer1_chans[0].get_channel_value_satoshis() == 10000;
547 assert peer1_chans[0].get_is_live();
548 Option_u64Z short_chan_id = peer1_chans[0].get_short_channel_id();
549 assert short_chan_id instanceof Option_u64Z.Some;
550 assert ((Option_u64Z.Some)short_chan_id).some == (1L << 40); // 0th output in the 0th transaction in the 1st block
551 assert Arrays.equals(peer1_chans[0].get_channel_id(), funding.getTxId().getReversedBytes());
552 assert Arrays.equals(peer2_chans[0].get_channel_id(), funding.getTxId().getReversedBytes());
554 byte[] payment_preimage = new byte[32];
555 for (int i = 0; i < 32; i++) payment_preimage[i] = (byte) (i ^ 0x0f);
556 byte[] payment_hash = Sha256Hash.hash(payment_preimage);
557 Route route = peer1.get_route(peer2.node_id, peer1_chans);
558 Result_NonePaymentSendFailureZ payment_res = peer1.chan_manager.send_payment(route, payment_hash, new byte[32]);
559 assert payment_res instanceof Result_NonePaymentSendFailureZ.Result_NonePaymentSendFailureZ_OK;
560 wait_events_processed(peer1, peer2);
562 RouteHop[][] hops = new RouteHop[1][1];
563 byte[] hop_pubkey = new byte[33];
566 hops[0][0] = RouteHop.constructor_new(hop_pubkey, NodeFeatures.constructor_known(), 42, ChannelFeatures.constructor_known(), 100, 0);
567 Route r2 = Route.constructor_new(hops);
568 payment_res = peer1.chan_manager.send_payment(r2, payment_hash, new byte[32]);
569 assert payment_res instanceof Result_NonePaymentSendFailureZ.Result_NonePaymentSendFailureZ_Err;
571 assert peer1.get_monitor_events().length == 0;
572 assert peer2.get_monitor_events().length == 0;
575 if (use_nio_peer_handler) {
576 peer1.nio_peer_handler.interrupt();
577 peer2.nio_peer_handler.interrupt();
579 WeakReference<Peer> op1 = new WeakReference<Peer>(peer1);
580 peer1 = new Peer(peer1);
581 peer2 = new Peer(peer2);
582 return new TestState(op1, peer1, peer2, payment_preimage, b.getHash());
584 return new TestState(null, peer1, peer2, payment_preimage, b.getHash());
587 boolean cross_reload_ref_pollution = false;
589 private final WeakReference<Peer> ref_block;
590 private final Peer peer1;
591 private final Peer peer2;
592 private final byte[] payment_preimage;
593 public Sha256Hash best_blockhash;
595 public TestState(WeakReference<Peer> ref_block, Peer peer1, Peer peer2, byte[] payment_preimage, Sha256Hash best_blockhash) {
596 this.ref_block = ref_block;
599 this.payment_preimage = payment_preimage;
600 this.best_blockhash = best_blockhash;
603 void do_test_message_handler_b(TestState state) {
604 GcCheck obj = new GcCheck();
605 if (state.ref_block != null) {
606 // Ensure the original peers get freed before we move on. Note that we have to be in a different function
607 // scope to do so as the (at least current OpenJDK) JRE won't release anything created in the same scope.
608 while (!cross_reload_ref_pollution && state.ref_block.get() != null) {
610 System.runFinalization();
612 connect_peers(state.peer1, state.peer2);
614 wait_events_processed(state.peer1, state.peer2);
616 Event[] events = state.peer2.chan_manager_events.get_and_clear_pending_events();
617 assert events.length == 1;
618 assert events[0] instanceof Event.PendingHTLCsForwardable;
619 state.peer2.chan_manager.process_pending_htlc_forwards();
621 events = state.peer2.chan_manager_events.get_and_clear_pending_events();
622 assert events.length == 1;
623 assert events[0] instanceof Event.PaymentReceived;
624 state.peer2.chan_manager.claim_funds(state.payment_preimage, new byte[32], ((Event.PaymentReceived) events[0]).amt);
625 wait_events_processed(state.peer1, state.peer2);
627 events = state.peer1.chan_manager_events.get_and_clear_pending_events();
628 assert events.length == 1;
629 assert events[0] instanceof Event.PaymentSent;
630 assert Arrays.equals(((Event.PaymentSent) events[0]).payment_preimage, state.payment_preimage);
631 wait_events_processed(state.peer1, state.peer2);
633 ChannelDetails[] peer1_chans = state.peer1.chan_manager.list_channels();
636 Result_NoneAPIErrorZ close_res = state.peer1.chan_manager.close_channel(peer1_chans[0].get_channel_id());
637 assert close_res instanceof Result_NoneAPIErrorZ.Result_NoneAPIErrorZ_OK;
638 wait_events_processed(state.peer1, state.peer2);
640 assert state.peer1.broadcast_set.size() == 1;
641 assert state.peer2.broadcast_set.size() == 1;
643 state.peer1.chan_manager.force_close_all_channels();
644 wait_events_processed(state.peer1, state.peer2);
646 assert state.peer1.broadcast_set.size() == 1;
647 assert state.peer2.broadcast_set.size() == 0;
649 NetworkParameters bitcoinj_net = NetworkParameters.fromID(NetworkParameters.ID_MAINNET);
650 Transaction tx = new Transaction(bitcoinj_net, state.peer1.broadcast_set.getFirst());
651 Block b = new Block(bitcoinj_net, 2, state.best_blockhash, Sha256Hash.ZERO_HASH, 42, 0, 0,
652 Arrays.asList(new Transaction[]{tx}));
653 TwoTuple<byte[], TwoTuple<Integer, TxOut>[]>[] watch_outputs = state.peer2.connect_block(b, 10, 1);
654 if (watch_outputs != null) { // We only process watch_outputs manually when we use a manually-build Watch impl
655 assert watch_outputs.length == 1;
656 assert Arrays.equals(watch_outputs[0].a, tx.getTxId().getReversedBytes());
657 assert watch_outputs[0].b.length == 2;
658 assert watch_outputs[0].b[0].a == 0;
659 assert watch_outputs[0].b[1].a == 1;
662 for (int i = 11; i < 21; i++) {
663 b = new Block(bitcoinj_net, 2, b.getHash(), Sha256Hash.ZERO_HASH, 42, 0, 0, new ArrayList<>());
664 state.peer2.connect_block(b, i, 0);
667 Event[] broadcastable_event = null;
668 if (state.peer2.chain_monitor != null) {
669 broadcastable_event = state.peer2.chain_monitor.as_EventsProvider().get_and_clear_pending_events();
671 // This used to be buggy and double-free, so go ahead and fetch them!
672 for (ChannelMonitor mon : state.peer2.monitors.values()) {
673 byte[][] txn = mon.get_latest_holder_commitment_txn(state.peer2.logger);
674 if (state.peer2.chain_monitor == null) {
675 broadcastable_event = mon.get_and_clear_pending_events();
678 assert broadcastable_event.length == 1;
679 assert broadcastable_event[0] instanceof Event.SpendableOutputs;
680 if (state.peer2.explicit_keys_manager != null) {
681 Result_TransactionNoneZ tx_res = state.peer2.explicit_keys_manager.spend_spendable_outputs(((Event.SpendableOutputs) broadcastable_event[0]).outputs, new TxOut[0], new byte[] {0x00}, 253);
682 assert tx_res instanceof Result_TransactionNoneZ.Result_TransactionNoneZ_OK;
683 Transaction built_tx = new Transaction(bitcoinj_net, ((Result_TransactionNoneZ.Result_TransactionNoneZ_OK) tx_res).res);
684 assert built_tx.getOutputs().size() == 1;
685 assert Arrays.equals(built_tx.getOutput(0).getScriptBytes(), new byte[]{0x00});
689 if (use_nio_peer_handler) {
690 state.peer1.peer_manager.disconnect_by_node_id(state.peer2.chan_manager.get_our_node_id(), false);
691 wait_events_processed(state.peer1, state.peer2);
692 assert state.peer1.peer_manager.get_peer_node_ids().length == 0;
693 assert state.peer2.peer_manager.get_peer_node_ids().length == 0;
694 state.peer1.nio_peer_handler.interrupt();
695 state.peer2.nio_peer_handler.interrupt();
698 assert state.peer1.get_monitor_events().length == 0;
699 assert state.peer2.get_monitor_events().length == 0;
702 java.util.LinkedList<WeakReference<Object>> must_free_objs = new java.util.LinkedList();
704 int gc_exp_count = 0;
706 GcCheck() { gc_exp_count += 1; }
708 protected void finalize() throws Throwable {
714 public class HumanObjectPeerTest {
715 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 {
716 HumanObjectPeerTestInstance instance = new HumanObjectPeerTestInstance(nice_close, use_km_wrapper, use_manual_watch, reload_peers, break_cross_peer_refs, nio_peer_handler, !nio_peer_handler);
717 HumanObjectPeerTestInstance.TestState state = instance.do_test_message_handler();
718 instance.do_test_message_handler_b(state);
721 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 {
722 HumanObjectPeerTestInstance instance = do_test_run(nice_close, use_km_wrapper, use_manual_watch, reload_peers, break_cross_peer_refs, nio_peer_handler);
723 while (instance.gc_count != instance.gc_exp_count) {
725 System.runFinalization();
727 for (WeakReference<Object> o : instance.must_free_objs)
728 assert o.get() == null;
731 public void test_message_handler() throws InterruptedException {
732 for (int i = 0; i < (1 << 6) - 1; i++) {
733 boolean nice_close = (i & (1 << 0)) != 0;
734 boolean use_km_wrapper = (i & (1 << 1)) != 0;
735 boolean use_manual_watch = (i & (1 << 2)) != 0;
736 boolean reload_peers = (i & (1 << 3)) != 0;
737 boolean break_cross_refs = (i & (1 << 4)) != 0;
738 boolean nio_peer_handler = (i & (1 << 5)) != 0;
739 if (break_cross_refs && !reload_peers) {
740 // There are no cross refs to break without reloading peers.
743 System.err.println("Running test with flags " + i);
744 do_test(nice_close, use_km_wrapper, use_manual_watch, reload_peers, break_cross_refs, nio_peer_handler);