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.ChannelManagerConstructor;
8 import org.ldk.batteries.NioPeerHandler;
9 import org.ldk.enums.LDKNetwork;
10 import org.ldk.impl.bindings;
11 import org.ldk.structs.*;
12 import org.ldk.util.TwoTuple;
14 import java.io.IOException;
15 import java.lang.ref.WeakReference;
16 import java.net.InetSocketAddress;
19 class HumanObjectPeerTestInstance {
20 private final boolean nice_close;
21 private final boolean use_km_wrapper;
22 private final boolean use_manual_watch;
23 private final boolean reload_peers;
24 private final boolean break_cross_peer_refs;
25 private final boolean use_nio_peer_handler;
26 private final boolean use_filter;
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, boolean use_filter) {
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;
35 this.use_filter = use_filter;
39 KeysInterface manual_keysif(KeysInterface underlying_if) {
40 return KeysInterface.new_impl(new KeysInterface.KeysInterfaceInterface() {
41 @Override public byte[] get_node_secret() { return underlying_if.get_node_secret(); }
42 @Override public byte[] get_destination_script() { return underlying_if.get_destination_script(); }
43 @Override public byte[] get_shutdown_pubkey() { return underlying_if.get_shutdown_pubkey(); }
46 public Sign get_channel_signer(boolean inbound, long channel_value_satoshis) {
47 Sign underlying_ck = underlying_if.get_channel_signer(inbound, channel_value_satoshis);
48 Sign.SignInterface si = new Sign.SignInterface() {
50 public byte[] get_per_commitment_point(long idx) {
51 return underlying_ck.get_per_commitment_point(idx);
55 public byte[] release_commitment_secret(long idx) {
56 return underlying_ck.release_commitment_secret(idx);
60 public byte[] channel_keys_id() {
65 public Result_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_counterparty_commitment(CommitmentTransaction commitment_tx) {
66 return underlying_ck.sign_counterparty_commitment(commitment_tx);
70 public Result_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_holder_commitment_and_htlcs(HolderCommitmentTransaction holder_commitment_tx) {
71 return underlying_ck.sign_holder_commitment_and_htlcs(holder_commitment_tx);
75 public Result_SignatureNoneZ sign_justice_transaction(byte[] justice_tx, long input, long amount, byte[] per_commitment_key, HTLCOutputInCommitment htlc) {
76 return underlying_ck.sign_justice_transaction(justice_tx, input, amount, per_commitment_key, htlc);
80 public Result_SignatureNoneZ sign_counterparty_htlc_transaction(byte[] htlc_tx, long input, long amount, byte[] per_commitment_point, HTLCOutputInCommitment htlc) {
81 return underlying_ck.sign_counterparty_htlc_transaction(htlc_tx, input, amount, per_commitment_point, htlc);
85 public Result_SignatureNoneZ sign_closing_transaction(byte[] closing_tx) {
86 return underlying_ck.sign_closing_transaction(closing_tx);
90 public Result_SignatureNoneZ sign_channel_announcement(UnsignedChannelAnnouncement msg) {
91 return underlying_ck.sign_channel_announcement(msg);
95 public void ready_channel(ChannelTransactionParameters params) {
96 underlying_ck.ready_channel(params);
100 public byte[] write() {
101 return underlying_ck.write();
104 Sign resp = Sign.new_impl(si, underlying_ck.get_pubkeys());
105 must_free_objs.add(new WeakReference<>(si));
106 must_free_objs.add(new WeakReference<>(resp));
107 must_free_objs.add(new WeakReference<>(underlying_ck));
112 public byte[] get_secure_random_bytes() {
113 return underlying_if.get_secure_random_bytes();
117 public Result_SignDecodeErrorZ read_chan_signer(byte[] reader) {
118 return underlying_if.read_chan_signer(reader);
123 Watch get_manual_watch() {
124 Watch.WatchInterface watch_impl = new Watch.WatchInterface() {
125 public Result_NoneChannelMonitorUpdateErrZ watch_channel(OutPoint funding_txo, ChannelMonitor monitor) {
126 synchronized (monitors) {
127 assert monitors.put(Arrays.toString(funding_txo.get_txid()), monitor) == null;
129 return new Result_NoneChannelMonitorUpdateErrZ.Result_NoneChannelMonitorUpdateErrZ_OK();
132 public Result_NoneChannelMonitorUpdateErrZ update_channel(OutPoint funding_txo, ChannelMonitorUpdate update) {
133 synchronized (monitors) {
134 String txid = Arrays.toString(funding_txo.get_txid());
135 assert monitors.containsKey(txid);
136 Result_NoneMonitorUpdateErrorZ update_res = monitors.get(txid).update_monitor(update, tx_broadcaster, fee_estimator, logger);
137 assert update_res instanceof Result_NoneMonitorUpdateErrorZ.Result_NoneMonitorUpdateErrorZ_OK;
139 return new Result_NoneChannelMonitorUpdateErrZ.Result_NoneChannelMonitorUpdateErrZ_OK();
143 public MonitorEvent[] release_pending_monitor_events() {
144 synchronized (monitors) {
145 assert monitors.size() <= 1;
146 for (ChannelMonitor mon : monitors.values()) {
147 return mon.get_and_clear_pending_monitor_events();
150 return new MonitorEvent[0];
153 Watch watch = Watch.new_impl(watch_impl);
154 must_free_objs.add(new WeakReference<>(watch_impl));
155 must_free_objs.add(new WeakReference<>(watch));
159 NioPeerHandler nio_peer_handler;
163 final FeeEstimator fee_estimator;
164 final BroadcasterInterface tx_broadcaster;
165 final KeysInterface keys_interface;
166 final ChainMonitor chain_monitor;
167 final NetGraphMsgHandler router;
168 final Watch chain_watch;
169 final HashSet<String> filter_additions;
171 ChannelManager chan_manager;
172 EventsProvider chan_manager_events;
173 PeerManager peer_manager;
174 final HashMap<String, ChannelMonitor> monitors; // Wow I forgot just how terrible Java is - we can't put a byte array here.
176 final LinkedList<byte[]> broadcast_set = new LinkedList<>();
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 new Result_NoneChannelMonitorUpdateErrZ.Result_NoneChannelMonitorUpdateErrZ_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 new Result_NoneChannelMonitorUpdateErrZ.Result_NoneChannelMonitorUpdateErrZ_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 void register_output(OutPoint outpoint, byte[] script_pubkey) {
230 filter_additions.add(Arrays.toString(outpoint.get_txid()) + ":" + outpoint.get_index());
237 if (use_manual_watch) {
238 chain_watch = get_manual_watch();
239 chain_monitor = null;
241 chain_monitor = ChainMonitor.constructor_new(filter, tx_broadcaster, logger, fee_estimator, persister);
242 chain_watch = chain_monitor.as_Watch();
245 byte[] key_seed = new byte[32];
246 for (byte i = 0; i < 32; i++) {
247 key_seed[i] = (byte) (i ^ seed);
249 KeysManager keys = KeysManager.constructor_new(key_seed, System.currentTimeMillis() / 1000, (int) (System.currentTimeMillis() * 1000));
250 if (use_km_wrapper) {
251 this.keys_interface = manual_keysif(keys.as_KeysInterface());
253 this.keys_interface = keys.as_KeysInterface();
255 this.router = NetGraphMsgHandler.constructor_new(new byte[32], null, logger);
257 private void bind_nio() {
258 if (!use_nio_peer_handler) return;
259 try { this.nio_peer_handler = new NioPeerHandler(peer_manager); } catch (IOException e) { assert false; }
260 for (short i = 10_000; true; i++) {
262 nio_peer_handler.bind_listener(new InetSocketAddress("127.0.0.1", i));
265 } catch (IOException e) { assert i < 10_500; }
270 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);
271 this.node_id = chan_manager.get_our_node_id();
272 this.chan_manager_events = chan_manager.as_EventsProvider();
274 byte[] random_data = new byte[32];
275 for (byte i = 0; i < 32; i++) {
276 random_data[i] = (byte) ((i ^ seed) ^ 0xf0);
278 this.peer_manager = PeerManager.constructor_new(chan_manager.as_ChannelMessageHandler(), router.as_RoutingMessageHandler(), keys_interface.get_node_secret(), random_data, logger);
284 this(null, orig.seed);
285 if (!break_cross_peer_refs) {
286 ChannelMonitor[] monitors = new ChannelMonitor[1];
287 synchronized (monitors) {
288 assert orig.monitors.size() == 1;
289 monitors[0] = orig.monitors.values().stream().iterator().next();
291 byte[] serialized = orig.chan_manager.write();
292 Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ read_res =
293 UtilMethods.constructor_BlockHashChannelManagerZ_read(serialized, this.keys_interface, this.fee_estimator, this.chain_watch, this.tx_broadcaster, this.logger, UserConfig.constructor_default(), monitors);
294 assert read_res instanceof Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_OK;
295 this.chan_manager = ((Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_OK) read_res).res.b;
296 this.chain_watch.watch_channel(monitors[0].get_funding_txo().a, monitors[0]);
298 final ArrayList<byte[]> channel_monitors = new ArrayList();
299 synchronized (monitors) {
300 assert orig.monitors.size() == 1;
301 channel_monitors.add(orig.monitors.values().stream().iterator().next().write());
303 byte[] serialized = orig.chan_manager.write();
305 ChannelManagerConstructor constructed = new ChannelManagerConstructor(serialized, channel_monitors.toArray(new byte[1][]), this.keys_interface, this.fee_estimator, this.chain_watch, this.filter, this.tx_broadcaster, this.logger);
306 this.chan_manager = constructed.channel_manager;
307 constructed.chain_sync_completed();
308 if (use_filter && !use_manual_watch) {
309 // With a manual watch we don't actually use the filter object at all.
310 assert this.filter_additions.containsAll(orig.filter_additions) &&
311 orig.filter_additions.containsAll(this.filter_additions);
313 } catch (ChannelManagerConstructor.InvalidSerializedDataException e) {
317 if (!break_cross_peer_refs && (use_manual_watch || use_km_wrapper)) {
318 // When we pass monitors[0] into chain_watch.watch_channel we create a reference from the new Peer to a
319 // field in the old peer, preventing freeing of the original Peer until the new Peer is freed. Thus, we
320 // shouldn't bother waiting for the original to be freed later on.
321 cross_reload_ref_pollution = true;
323 this.node_id = chan_manager.get_our_node_id();
324 this.chan_manager_events = chan_manager.as_EventsProvider();
326 if (cross_reload_ref_pollution) {
327 // This really, really needs to be handled at the bindings layer, but its rather complicated -
328 // ChannelSigners can be cloned and passed around without java being involved, resulting in them being
329 // owned by both one or more ChannelMonitors and a ChannelManager, with only one having proper pointers
330 // to the ChannelSigner. Ideally, the ChannelSigner would have a global reference to the Java
331 // implementation class, but that results in circular references. Instead, we need some ability to,
332 // while cloning ChannelSigners, add new references in the calling Java struct (ie ChannelMonitor) to
333 // the ChannelSigner.
334 this.ptr_to = orig.chan_manager;
337 byte[] random_data = new byte[32];
338 for (byte i = 0; i < 32; i++) {
339 random_data[i] = (byte) ((i ^ seed) ^ 0xf0);
341 this.peer_manager = PeerManager.constructor_new(chan_manager.as_ChannelMessageHandler(), router.as_RoutingMessageHandler(), keys_interface.get_node_secret(), random_data, logger);
345 TwoTuple<byte[], TwoTuple<Integer, TxOut>[]>[] connect_block(Block b, int height, long expected_monitor_update_len) {
346 byte[] header = Arrays.copyOfRange(b.bitcoinSerialize(), 0, 80);
347 TwoTuple<Long, byte[]>[] txn;
348 if (b.hasTransactions()) {
349 assert b.getTransactions().size() == 1;
350 TwoTuple<Long, byte[]> txp = new TwoTuple<>((long) 1, b.getTransactions().get(0).bitcoinSerialize());
351 txn = new TwoTuple[]{txp};
353 txn = new TwoTuple[0];
354 chan_manager.as_Listen().block_connected(b.bitcoinSerialize(), height);
355 if (chain_monitor != null) {
356 chain_monitor.block_connected(header, txn, height);
358 synchronized (monitors) {
359 assert monitors.size() == 1;
360 for (ChannelMonitor mon : monitors.values()) {
361 TwoTuple<byte[], TwoTuple<Integer, TxOut>[]>[] ret = mon.block_connected(header, txn, height, tx_broadcaster, fee_estimator, logger);
362 assert ret.length == expected_monitor_update_len;
370 Event[] get_monitor_events() {
371 if (chain_monitor != null) {
372 return chain_monitor.as_EventsProvider().get_and_clear_pending_events();
374 synchronized (monitors) {
375 assert monitors.size() == 1;
376 for (ChannelMonitor mon : monitors.values()) {
377 return mon.get_and_clear_pending_events();
384 Route get_route(byte[] dest_node, ChannelDetails[] our_chans) {
385 try (LockedNetworkGraph netgraph = this.router.read_locked_graph()) {
386 NetworkGraph graph = netgraph.graph();
387 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()},
388 new long[0], 1000, 42, this.logger._test_only_get_ptr());
389 assert bindings.LDKCResult_RouteLightningErrorZ_result_ok(res);
390 byte[] serialized_route = bindings.Route_write(bindings.LDKCResult_RouteLightningErrorZ_get_ok(res));
391 must_free_objs.add(new WeakReference<>(serialized_route));
392 Result_RouteDecodeErrorZ copy = Route.constructor_read(serialized_route);
393 assert copy instanceof Result_RouteDecodeErrorZ.Result_RouteDecodeErrorZ_OK;
394 bindings.CResult_RouteLightningErrorZ_free(res);
395 return ((Result_RouteDecodeErrorZ.Result_RouteDecodeErrorZ_OK) copy).res;
400 static class DescriptorHolder { SocketDescriptor val; }
402 boolean running = false;
403 final LinkedList<Runnable> runqueue = new LinkedList();
405 Thread t = new Thread(() -> {
409 synchronized (runqueue) {
410 while (runqueue.isEmpty()) {
414 r = runqueue.pollFirst();
417 synchronized (runqueue) {
419 runqueue.notifyAll();
421 } catch (InterruptedException e) {
426 void wait_events_processed(Peer peer1, Peer peer2) {
427 if (use_nio_peer_handler) {
428 peer1.nio_peer_handler.check_events();
429 peer2.nio_peer_handler.check_events();
430 try { Thread.sleep(400); } catch (InterruptedException e) { assert false; }
432 synchronized (runqueue) {
436 peer1.peer_manager.process_events();
437 peer2.peer_manager.process_events();
438 synchronized (runqueue) {
439 if (runqueue.isEmpty() && !running) {
445 try { runqueue.wait(); } catch (InterruptedException e) { assert false; }
450 void do_read_event(PeerManager pm, SocketDescriptor descriptor, byte[] data) {
451 if (!t.isAlive()) t.start();
452 synchronized (runqueue) {
455 Result_boolPeerHandleErrorZ res = pm.read_event(descriptor, data);
456 assert res instanceof Result_boolPeerHandleErrorZ.Result_boolPeerHandleErrorZ_OK;
458 runqueue.notifyAll();
460 must_free_objs.add(new WeakReference<>(data));
463 void connect_peers(final Peer peer1, final Peer peer2) {
464 if (use_nio_peer_handler) {
466 peer1.nio_peer_handler.connect(peer2.chan_manager.get_our_node_id(), new InetSocketAddress("127.0.0.1", peer2.nio_port), 100);
467 } catch (IOException e) { assert false; }
469 DescriptorHolder descriptor1 = new DescriptorHolder();
470 DescriptorHolder descriptor1ref = descriptor1;
471 SocketDescriptor descriptor2 = SocketDescriptor.new_impl(new SocketDescriptor.SocketDescriptorInterface() {
473 public long send_data(byte[] data, boolean resume_read) {
474 do_read_event(peer1.peer_manager, descriptor1ref.val, data);
478 @Override public void disconnect_socket() { assert false; }
479 @Override public boolean eq(SocketDescriptor other_arg) { return other_arg.hash() == 2; }
480 @Override public long hash() { return 2; }
483 descriptor1.val = SocketDescriptor.new_impl(new SocketDescriptor.SocketDescriptorInterface() {
485 public long send_data(byte[] data, boolean resume_read) {
486 do_read_event(peer2.peer_manager, descriptor2, data);
490 @Override public void disconnect_socket() { assert false; }
491 @Override public boolean eq(SocketDescriptor other_arg) { return other_arg.hash() == 1; }
492 @Override public long hash() { return 1; }
495 Result_CVec_u8ZPeerHandleErrorZ conn_res = peer1.peer_manager.new_outbound_connection(peer2.node_id, descriptor1.val);
496 assert conn_res instanceof Result_CVec_u8ZPeerHandleErrorZ.Result_CVec_u8ZPeerHandleErrorZ_OK;
498 Result_NonePeerHandleErrorZ inbound_conn_res = peer2.peer_manager.new_inbound_connection(descriptor2);
499 assert inbound_conn_res instanceof Result_NonePeerHandleErrorZ.Result_NonePeerHandleErrorZ_OK;
500 do_read_event(peer2.peer_manager, descriptor2, ((Result_CVec_u8ZPeerHandleErrorZ.Result_CVec_u8ZPeerHandleErrorZ_OK) conn_res).res);
504 TestState do_test_message_handler() throws InterruptedException {
505 Peer peer1 = new Peer((byte) 1);
506 Peer peer2 = new Peer((byte) 2);
508 connect_peers(peer1, peer2);
509 wait_events_processed(peer1, peer2);
511 Result_NoneAPIErrorZ cc_res = peer1.chan_manager.create_channel(peer2.node_id, 10000, 1000, 42, null);
512 assert cc_res instanceof Result_NoneAPIErrorZ.Result_NoneAPIErrorZ_OK;
513 wait_events_processed(peer1, peer2);
515 Event[] events = peer1.chan_manager_events.get_and_clear_pending_events();
516 assert events.length == 1;
517 assert events[0] instanceof Event.FundingGenerationReady;
518 assert ((Event.FundingGenerationReady) events[0]).channel_value_satoshis == 10000;
519 assert ((Event.FundingGenerationReady) events[0]).user_channel_id == 42;
520 byte[] funding_spk = ((Event.FundingGenerationReady) events[0]).output_script;
521 assert funding_spk.length == 34 && funding_spk[0] == 0 && funding_spk[1] == 32; // P2WSH
522 byte[] chan_id = ((Event.FundingGenerationReady) events[0]).temporary_channel_id;
524 NetworkParameters bitcoinj_net = NetworkParameters.fromID(NetworkParameters.ID_MAINNET);
526 Transaction funding = new Transaction(bitcoinj_net);
527 funding.addInput(new TransactionInput(bitcoinj_net, funding, new byte[0]));
528 funding.getInputs().get(0).setWitness(new TransactionWitness(2)); // Make sure we don't complain about lack of witness
529 funding.getInput(0).getWitness().setPush(0, new byte[]{0x1});
530 funding.addOutput(Coin.SATOSHI.multiply(10000), new Script(funding_spk));
531 peer1.chan_manager.funding_transaction_generated(chan_id, OutPoint.constructor_new(funding.getTxId().getReversedBytes(), (short) 0));
532 wait_events_processed(peer1, peer2);
534 events = peer1.chan_manager_events.get_and_clear_pending_events();
535 assert events.length == 1;
536 assert events[0] instanceof Event.FundingBroadcastSafe;
537 assert ((Event.FundingBroadcastSafe) events[0]).user_channel_id == 42;
539 Block b = new Block(bitcoinj_net, 2, Sha256Hash.ZERO_HASH, Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[]{funding}));
540 peer1.connect_block(b, 1, 0);
541 peer2.connect_block(b, 1, 0);
543 for (int height = 2; height < 10; height++) {
544 b = new Block(bitcoinj_net, 2, b.getHash(), Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[0]));
545 peer1.connect_block(b, height, 0);
546 peer2.connect_block(b, height, 0);
548 wait_events_processed(peer1, peer2);
550 peer1.chan_manager.list_channels();
551 ChannelDetails[] peer1_chans = peer1.chan_manager.list_channels();
552 ChannelDetails[] peer2_chans = peer2.chan_manager.list_channels();
553 assert peer1_chans.length == 1;
554 assert peer2_chans.length == 1;
555 assert peer1_chans[0].get_channel_value_satoshis() == 10000;
556 assert peer1_chans[0].get_is_live();
557 assert Arrays.equals(peer1_chans[0].get_channel_id(), funding.getTxId().getReversedBytes());
558 assert Arrays.equals(peer2_chans[0].get_channel_id(), funding.getTxId().getReversedBytes());
560 byte[] payment_preimage = new byte[32];
561 for (int i = 0; i < 32; i++) payment_preimage[i] = (byte) (i ^ 0x0f);
562 byte[] payment_hash = Sha256Hash.hash(payment_preimage);
563 Route route = peer1.get_route(peer2.node_id, peer1_chans);
564 Result_NonePaymentSendFailureZ payment_res = peer1.chan_manager.send_payment(route, payment_hash, new byte[32]);
565 assert payment_res instanceof Result_NonePaymentSendFailureZ.Result_NonePaymentSendFailureZ_OK;
566 wait_events_processed(peer1, peer2);
568 RouteHop[][] hops = new RouteHop[1][1];
569 byte[] hop_pubkey = new byte[33];
572 hops[0][0] = RouteHop.constructor_new(hop_pubkey, NodeFeatures.constructor_known(), 42, ChannelFeatures.constructor_known(), 100, 0);
573 Route r2 = Route.constructor_new(hops);
574 payment_res = peer1.chan_manager.send_payment(r2, payment_hash, new byte[32]);
575 assert payment_res instanceof Result_NonePaymentSendFailureZ.Result_NonePaymentSendFailureZ_Err;
577 assert peer1.get_monitor_events().length == 0;
578 assert peer2.get_monitor_events().length == 0;
581 if (use_nio_peer_handler) {
582 peer1.nio_peer_handler.interrupt();
583 peer2.nio_peer_handler.interrupt();
585 WeakReference<Peer> op1 = new WeakReference<Peer>(peer1);
586 peer1 = new Peer(peer1);
587 peer2 = new Peer(peer2);
588 return new TestState(op1, peer1, peer2, payment_preimage, b.getHash());
590 return new TestState(null, peer1, peer2, payment_preimage, b.getHash());
593 boolean cross_reload_ref_pollution = false;
595 private final WeakReference<Peer> ref_block;
596 private final Peer peer1;
597 private final Peer peer2;
598 private final byte[] payment_preimage;
599 public Sha256Hash best_blockhash;
601 public TestState(WeakReference<Peer> ref_block, Peer peer1, Peer peer2, byte[] payment_preimage, Sha256Hash best_blockhash) {
602 this.ref_block = ref_block;
605 this.payment_preimage = payment_preimage;
606 this.best_blockhash = best_blockhash;
609 void do_test_message_handler_b(TestState state) {
610 GcCheck obj = new GcCheck();
611 if (state.ref_block != null) {
612 // Ensure the original peers get freed before we move on. Note that we have to be in a different function
613 // scope to do so as the (at least current OpenJDK) JRE won't release anything created in the same scope.
614 while (!cross_reload_ref_pollution && state.ref_block.get() != null) {
616 System.runFinalization();
618 connect_peers(state.peer1, state.peer2);
620 wait_events_processed(state.peer1, state.peer2);
622 Event[] events = state.peer2.chan_manager_events.get_and_clear_pending_events();
623 assert events.length == 1;
624 assert events[0] instanceof Event.PendingHTLCsForwardable;
625 state.peer2.chan_manager.process_pending_htlc_forwards();
627 events = state.peer2.chan_manager_events.get_and_clear_pending_events();
628 assert events.length == 1;
629 assert events[0] instanceof Event.PaymentReceived;
630 state.peer2.chan_manager.claim_funds(state.payment_preimage, new byte[32], ((Event.PaymentReceived) events[0]).amt);
631 wait_events_processed(state.peer1, state.peer2);
633 events = state.peer1.chan_manager_events.get_and_clear_pending_events();
634 assert events.length == 1;
635 assert events[0] instanceof Event.PaymentSent;
636 assert Arrays.equals(((Event.PaymentSent) events[0]).payment_preimage, state.payment_preimage);
637 wait_events_processed(state.peer1, state.peer2);
639 ChannelDetails[] peer1_chans = state.peer1.chan_manager.list_channels();
642 Result_NoneAPIErrorZ close_res = state.peer1.chan_manager.close_channel(peer1_chans[0].get_channel_id());
643 assert close_res instanceof Result_NoneAPIErrorZ.Result_NoneAPIErrorZ_OK;
644 wait_events_processed(state.peer1, state.peer2);
646 assert state.peer1.broadcast_set.size() == 1;
647 assert state.peer2.broadcast_set.size() == 1;
649 state.peer1.chan_manager.force_close_all_channels();
650 wait_events_processed(state.peer1, state.peer2);
652 assert state.peer1.broadcast_set.size() == 1;
653 assert state.peer2.broadcast_set.size() == 0;
655 NetworkParameters bitcoinj_net = NetworkParameters.fromID(NetworkParameters.ID_MAINNET);
656 Transaction tx = new Transaction(bitcoinj_net, state.peer1.broadcast_set.getFirst());
657 Block b = new Block(bitcoinj_net, 2, state.best_blockhash, Sha256Hash.ZERO_HASH, 42, 0, 0,
658 Arrays.asList(new Transaction[]{tx}));
659 TwoTuple<byte[], TwoTuple<Integer, TxOut>[]>[] watch_outputs = state.peer2.connect_block(b, 10, 1);
660 if (watch_outputs != null) { // We only process watch_outputs manually when we use a manually-build Watch impl
661 assert watch_outputs.length == 1;
662 assert Arrays.equals(watch_outputs[0].a, tx.getTxId().getReversedBytes());
663 assert watch_outputs[0].b.length == 1;
666 // This used to be buggy and double-free, so go ahead and fetch them!
667 for (ChannelMonitor mon : state.peer2.monitors.values()) {
668 byte[][] txn = mon.get_latest_holder_commitment_txn(state.peer2.logger);
672 if (use_nio_peer_handler) {
673 state.peer1.peer_manager.disconnect_by_node_id(state.peer2.chan_manager.get_our_node_id(), false);
674 wait_events_processed(state.peer1, state.peer2);
675 assert state.peer1.peer_manager.get_peer_node_ids().length == 0;
676 assert state.peer2.peer_manager.get_peer_node_ids().length == 0;
677 state.peer1.nio_peer_handler.interrupt();
678 state.peer2.nio_peer_handler.interrupt();
681 assert state.peer1.get_monitor_events().length == 0;
682 assert state.peer2.get_monitor_events().length == 0;
685 java.util.LinkedList<WeakReference<Object>> must_free_objs = new java.util.LinkedList();
686 boolean gc_ran = false;
689 protected void finalize() throws Throwable {
695 public class HumanObjectPeerTest {
696 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 {
697 HumanObjectPeerTestInstance instance = new HumanObjectPeerTestInstance(nice_close, use_km_wrapper, use_manual_watch, reload_peers, break_cross_peer_refs, nio_peer_handler, !nio_peer_handler);
698 HumanObjectPeerTestInstance.TestState state = instance.do_test_message_handler();
699 instance.do_test_message_handler_b(state);
702 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 {
703 HumanObjectPeerTestInstance instance = do_test_run(nice_close, use_km_wrapper, use_manual_watch, reload_peers, break_cross_peer_refs, nio_peer_handler);
704 while (!instance.gc_ran) {
706 System.runFinalization();
708 for (WeakReference<Object> o : instance.must_free_objs)
709 assert o.get() == null;
712 public void test_message_handler() throws InterruptedException {
713 for (int i = 0; i < (1 << 6) - 1; i++) {
714 boolean nice_close = (i & (1 << 0)) != 0;
715 boolean use_km_wrapper = (i & (1 << 1)) != 0;
716 boolean use_manual_watch = (i & (1 << 2)) != 0;
717 boolean reload_peers = (i & (1 << 3)) != 0;
718 boolean break_cross_refs = (i & (1 << 4)) != 0;
719 boolean nio_peer_handler = (i & (1 << 5)) != 0;
720 if (break_cross_refs && !reload_peers) {
721 // There are no cross refs to break without reloading peers.
724 System.err.println("Running test with flags " + i);
725 do_test(nice_close, use_km_wrapper, use_manual_watch, reload_peers, break_cross_refs, nio_peer_handler);