3 import org.bitcoinj.core.*;
4 import org.bitcoinj.script.Script;
5 import org.junit.jupiter.api.Test;
6 import org.ldk.batteries.ChannelManagerConstructor;
7 import org.ldk.batteries.NioPeerHandler;
8 import org.ldk.enums.*;
9 import org.ldk.enums.Currency;
10 import org.ldk.structs.*;
11 import org.ldk.util.UInt5;
13 import java.io.IOException;
14 import java.lang.ref.WeakReference;
15 import java.net.InetSocketAddress;
17 import java.util.function.IntConsumer;
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;
27 private final boolean use_ignore_handler;
28 private final boolean use_chan_manager_constructor;
29 private final boolean use_invoice_payer;
31 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, boolean use_ignore_handler, boolean use_chan_manager_constructor, boolean use_invoice_payer) {
32 this.nice_close = nice_close;
33 this.use_km_wrapper = use_km_wrapper;
34 this.use_manual_watch = use_manual_watch;
35 this.reload_peers = reload_peers;
36 this.break_cross_peer_refs = break_cross_peer_refs;
37 this.use_nio_peer_handler = use_nio_peer_handler;
38 this.use_filter = use_filter;
39 this.use_ignore_handler = use_ignore_handler;
40 this.use_chan_manager_constructor = use_chan_manager_constructor;
41 this.use_invoice_payer = use_invoice_payer;
45 KeysInterface manual_keysif(KeysInterface underlying_if) {
46 return KeysInterface.new_impl(new KeysInterface.KeysInterfaceInterface() {
47 @Override public Result_SecretKeyNoneZ get_node_secret(Recipient recipient) { return underlying_if.get_node_secret(recipient); }
48 @Override public byte[] get_destination_script() { return underlying_if.get_destination_script(); }
49 @Override public ShutdownScript get_shutdown_scriptpubkey() { return underlying_if.get_shutdown_scriptpubkey(); }
52 public Sign get_channel_signer(boolean inbound, long channel_value_satoshis) {
53 Sign underlying_ck = underlying_if.get_channel_signer(inbound, channel_value_satoshis);
54 BaseSign underlying_base = underlying_ck.get_base_sign();
55 BaseSign.BaseSignInterface bsi = new BaseSign.BaseSignInterface() {
56 @Override public byte[] get_per_commitment_point(long idx) {
57 return underlying_base.get_per_commitment_point(idx);
59 @Override public byte[] release_commitment_secret(long idx) {
60 return underlying_base.release_commitment_secret(idx);
62 @Override public Result_NoneNoneZ validate_holder_commitment(HolderCommitmentTransaction holder_tx, byte[][] preimages) {
63 return underlying_base.validate_holder_commitment(holder_tx, preimages);
65 @Override public byte[] channel_keys_id() {
68 @Override public Result_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_counterparty_commitment(CommitmentTransaction commitment_tx, byte[][] preimages) {
69 return underlying_base.sign_counterparty_commitment(commitment_tx, preimages);
71 @Override public Result_NoneNoneZ validate_counterparty_revocation(long idx, byte[] secret) {
72 return underlying_base.validate_counterparty_revocation(idx, secret);
74 @Override public Result_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_holder_commitment_and_htlcs(HolderCommitmentTransaction holder_commitment_tx) {
75 return underlying_base.sign_holder_commitment_and_htlcs(holder_commitment_tx);
77 @Override public Result_SignatureNoneZ sign_justice_revoked_output(byte[] justice_tx, long input, long amount, byte[] per_commitment_key) {
78 return underlying_base.sign_justice_revoked_output(justice_tx, input, amount, per_commitment_key);
80 @Override public Result_SignatureNoneZ sign_justice_revoked_htlc(byte[] justice_tx, long input, long amount, byte[] per_commitment_key, HTLCOutputInCommitment htlc) {
81 return underlying_base.sign_justice_revoked_htlc(justice_tx, input, amount, per_commitment_key, htlc);
83 @Override public Result_SignatureNoneZ sign_counterparty_htlc_transaction(byte[] htlc_tx, long input, long amount, byte[] per_commitment_point, HTLCOutputInCommitment htlc) {
84 return underlying_base.sign_counterparty_htlc_transaction(htlc_tx, input, amount, per_commitment_point, htlc);
86 @Override public Result_SignatureNoneZ sign_closing_transaction(ClosingTransaction closing_tx) {
87 return underlying_base.sign_closing_transaction(closing_tx);
89 @Override public Result_C2Tuple_SignatureSignatureZNoneZ sign_channel_announcement(UnsignedChannelAnnouncement msg) {
90 return underlying_base.sign_channel_announcement(msg);
92 @Override public void ready_channel(ChannelTransactionParameters params) {
93 underlying_base.ready_channel(params);
96 Sign.SignInterface si = new Sign.SignInterface() {
98 public byte[] write() {
99 return underlying_ck.write();
102 Sign resp = Sign.new_impl(si, bsi, underlying_base.get_pubkeys());
103 must_free_objs.add(new WeakReference<>(si));
104 must_free_objs.add(new WeakReference<>(bsi));
105 must_free_objs.add(new WeakReference<>(resp));
106 must_free_objs.add(new WeakReference<>(underlying_base));
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);
122 public Result_RecoverableSignatureNoneZ sign_invoice(byte[] hrp_bytes, UInt5[] invoice_data, Recipient receipient) {
123 return underlying_if.sign_invoice(hrp_bytes, invoice_data, receipient);
127 public byte[] get_inbound_payment_key_material() {
128 return underlying_if.get_inbound_payment_key_material();
133 Watch get_manual_watch() {
134 Watch.WatchInterface watch_impl = new Watch.WatchInterface() {
135 public Result_NoneChannelMonitorUpdateErrZ watch_channel(OutPoint funding_txo, ChannelMonitor monitor) {
136 synchronized (monitors) {
137 assert monitors.put(Arrays.toString(funding_txo.get_txid()), monitor) == null;
139 return Result_NoneChannelMonitorUpdateErrZ.ok();
142 public Result_NoneChannelMonitorUpdateErrZ update_channel(OutPoint funding_txo, ChannelMonitorUpdate update) {
143 synchronized (monitors) {
144 String txid = Arrays.toString(funding_txo.get_txid());
145 assert monitors.containsKey(txid);
146 Result_NoneNoneZ update_res = monitors.get(txid).update_monitor(update, tx_broadcaster, fee_estimator, logger);
147 assert update_res instanceof Result_NoneNoneZ.Result_NoneNoneZ_OK;
149 return Result_NoneChannelMonitorUpdateErrZ.ok();
153 public TwoTuple_OutPointCVec_MonitorEventZZ[] release_pending_monitor_events() {
154 synchronized (monitors) {
155 assert monitors.size() <= 1;
156 for (ChannelMonitor mon : monitors.values()) {
157 TwoTuple_OutPointCVec_MonitorEventZZ[] res = new TwoTuple_OutPointCVec_MonitorEventZZ[1];
158 res[0] = TwoTuple_OutPointCVec_MonitorEventZZ.of(mon.get_funding_txo().get_a(), mon.get_and_clear_pending_monitor_events());
162 return new TwoTuple_OutPointCVec_MonitorEventZZ[0];
165 Watch watch = Watch.new_impl(watch_impl);
166 must_free_objs.add(new WeakReference<>(watch_impl));
167 must_free_objs.add(new WeakReference<>(watch));
171 NioPeerHandler nio_peer_handler;
175 final FeeEstimator fee_estimator;
176 final BroadcasterInterface tx_broadcaster;
177 final KeysManager explicit_keys_manager;
178 final KeysInterface keys_interface;
179 final ChainMonitor chain_monitor;
181 P2PGossipSync route_handler;
182 final Watch chain_watch;
183 final HashSet<String> filter_additions;
184 Option_FilterZ filter;
185 ChannelManager chan_manager;
186 PeerManager peer_manager;
187 final HashMap<String, ChannelMonitor> monitors; // Wow I forgot just how terrible Java is - we can't put a byte array here.
189 byte[] connected_peer_node_id = null;
190 final LinkedList<byte[]> broadcast_set = new LinkedList<>();
191 final LinkedList<Event> pending_manager_events = new LinkedList<>();
192 private final CustomMessageHandler custom_message_handler;
193 final LinkedList<byte[]> received_custom_messages = new LinkedList<>();
194 final LinkedList<byte[]> custom_messages_to_send = new LinkedList<>();
195 ChannelManagerConstructor constructor = null;
196 InvoicePayer payer = null;
197 GcCheck obj = new GcCheck();
199 private ChannelMonitor test_mon_roundtrip(OutPoint expected_id, byte[] data) {
200 // Because get_funding_txo() returns an OutPoint in a tuple that is a reference to an OutPoint inside the
201 // ChannelMonitor, its a good test to ensure that the OutPoint isn't freed (or is cloned) before the
202 // ChannelMonitor is. This used to be broken.
203 Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ roundtrip_monitor = UtilMethods.C2Tuple_BlockHashChannelMonitorZ_read(data, keys_interface);
204 assert roundtrip_monitor instanceof Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK;
205 TwoTuple_OutPointScriptZ funding_txo = ((Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK) roundtrip_monitor).res.get_b().get_funding_txo();
206 System.gc(); System.runFinalization(); // Give the GC a chance to run.
207 assert Arrays.equals(funding_txo.get_a().get_txid(), expected_id.get_txid());
208 assert funding_txo.get_a().get_index() == expected_id.get_index();
209 Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ roundtrip_two = UtilMethods.C2Tuple_BlockHashChannelMonitorZ_read(data, keys_interface);
210 assert roundtrip_two instanceof Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK;
211 return ((Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK) roundtrip_two).res.get_b();
214 private Peer(Object _dummy, byte seed) {
215 logger = Logger.new_impl((org.ldk.structs.Record arg)->{
216 if (arg.get_level() == Level.LDKLevel_Error)
217 System.err.println(seed + ": " + arg.get_module_path() + " - " + arg.get_args());
219 System.out.println(seed + ": " + arg.get_module_path() + " - " + arg.get_args());
221 fee_estimator = FeeEstimator.new_impl((confirmation_target -> 253));
222 tx_broadcaster = BroadcasterInterface.new_impl(tx -> {
223 synchronized (broadcast_set) {
224 broadcast_set.add(tx);
225 broadcast_set.notifyAll();
228 monitors = new HashMap<>();
230 Persist persister = Persist.new_impl(new Persist.PersistInterface() {
232 public Result_NoneChannelMonitorUpdateErrZ persist_new_channel(OutPoint id, ChannelMonitor data, MonitorUpdateId update_id) {
233 synchronized (monitors) {
234 String key = Arrays.toString(id.to_channel_id());
235 ChannelMonitor res = test_mon_roundtrip(id, data.write());
236 assert monitors.put(key, res) == null;
238 return Result_NoneChannelMonitorUpdateErrZ.ok();
242 public Result_NoneChannelMonitorUpdateErrZ update_persisted_channel(OutPoint id, ChannelMonitorUpdate update, ChannelMonitor data, MonitorUpdateId update_id) {
243 synchronized (monitors) {
244 String key = Arrays.toString(id.to_channel_id());
245 ChannelMonitor res = test_mon_roundtrip(id, data.write());
246 // Note that we use a serialization-roundtrip copy of data here, not the original, as this can
247 // expose the JVM JIT bug where it finalize()s things still being called.
248 assert monitors.put(key, res) != null;
250 return Result_NoneChannelMonitorUpdateErrZ.ok();
254 filter_additions = new HashSet<>();
256 this.filter = Option_FilterZ.some(Filter.new_impl(new Filter.FilterInterface() {
257 @Override public void register_tx(byte[] txid, byte[] script_pubkey) {
258 filter_additions.add(Arrays.toString(txid));
260 @Override public Option_C2Tuple_usizeTransactionZZ register_output(WatchedOutput output) {
261 filter_additions.add(Arrays.toString(output.get_outpoint().get_txid()) + ":" + output.get_outpoint().get_index());
262 return Option_C2Tuple_usizeTransactionZZ.none();
266 this.filter = Option_FilterZ.none();
269 if (use_manual_watch) {
270 chain_watch = get_manual_watch();
271 chain_monitor = null;
273 chain_monitor = ChainMonitor.of(filter, tx_broadcaster, logger, fee_estimator, persister);
274 chain_watch = chain_monitor.as_Watch();
277 byte[] key_seed = new byte[32];
278 for (byte i = 0; i < 32; i++) {
279 key_seed[i] = (byte) (i ^ seed);
281 KeysManager keys = KeysManager.of(key_seed, System.currentTimeMillis() / 1000, (int) (System.currentTimeMillis() * 1000));
282 if (use_km_wrapper) {
283 this.keys_interface = manual_keysif(keys.as_KeysInterface());
284 this.explicit_keys_manager = null;
286 this.keys_interface = keys.as_KeysInterface();
287 this.explicit_keys_manager = keys;
290 this.custom_message_handler = CustomMessageHandler.new_impl(new CustomMessageHandler.CustomMessageHandlerInterface() {
292 public Result_NoneLightningErrorZ handle_custom_message(Type msg, byte[] sender_node_id) {
293 synchronized (received_custom_messages) {
294 received_custom_messages.add(msg.write());
295 received_custom_messages.notifyAll();
297 return Result_NoneLightningErrorZ.ok();
301 public TwoTuple_PublicKeyTypeZ[] get_and_clear_pending_msg() {
303 synchronized (custom_messages_to_send) {
304 bytes = custom_messages_to_send.toArray(new byte[0][0]);
305 custom_messages_to_send.clear();
307 TwoTuple_PublicKeyTypeZ[] ret = new TwoTuple_PublicKeyTypeZ[bytes.length];
308 for (int i = 0; i < bytes.length; i++) {
309 final int msg_idx = i;
310 ret[i] = TwoTuple_PublicKeyTypeZ.of(connected_peer_node_id, Type.new_impl(new Type.TypeInterface() {
311 @Override public short type_id() { return 4096; }
312 @Override public String debug_str() { return "Custom Java Message"; }
313 @Override public byte[] write() { return bytes[msg_idx]; }
318 }, (message_type, buffer) -> {
319 assert message_type == 4096;
320 return Result_COption_TypeZDecodeErrorZ.ok(Option_TypeZ.some(Type.new_impl(new Type.TypeInterface() {
321 @Override public short type_id() { return 4096; }
322 @Override public String debug_str() { return "Custom Java-Decoded Message"; }
323 @Override public byte[] write() { return buffer; }
327 private void bind_nio() {
328 if (!use_nio_peer_handler) return;
329 if (use_chan_manager_constructor) {
330 this.nio_peer_handler = this.constructor.nio_peer_handler;
332 try { this.nio_peer_handler = new NioPeerHandler(peer_manager); } catch (IOException e) { assert false; }
334 for (short i = 10_000; true; i++) {
336 nio_peer_handler.bind_listener(new InetSocketAddress("127.0.0.1", i));
339 } catch (IOException e) { assert i < 10_500; }
342 private void setup_route_handler() {
343 this.route_handler = P2PGossipSync.of(this.router, Option_AccessZ.some(Access.new_impl(new Access.AccessInterface() {
345 public Result_TxOutAccessErrorZ get_utxo(byte[] genesis_hash, long short_channel_id) {
346 // We don't exchange any gossip, so should never actually get called, but providing a Some(Access)
347 // is a good test of our Option<Trait> free'ing, which used to be broken and relies on a dirty hack.
349 return Result_TxOutAccessErrorZ.err(AccessError.LDKAccessError_UnknownTx);
355 this.router = NetworkGraph.of(new byte[32], this.logger);
356 this.setup_route_handler();
358 if (use_chan_manager_constructor) {
359 if (use_ignore_handler) {
360 this.constructor = new ChannelManagerConstructor(Network.LDKNetwork_Bitcoin, UserConfig.with_default(), new byte[32], 0,
361 this.keys_interface, this.fee_estimator, this.chain_monitor, null, this.tx_broadcaster, this.logger);
363 this.constructor = new ChannelManagerConstructor(Network.LDKNetwork_Bitcoin, UserConfig.with_default(), new byte[32], 0,
364 this.keys_interface, this.fee_estimator, this.chain_monitor, this.router, this.tx_broadcaster, this.logger);
366 ProbabilisticScoringParameters params = ProbabilisticScoringParameters.with_default();
367 ProbabilisticScorer default_scorer = ProbabilisticScorer.of(params, this.router, this.logger);
368 Result_ProbabilisticScorerDecodeErrorZ score_res = ProbabilisticScorer.read(default_scorer.write(), params, this.router, this.logger);
369 assert score_res.is_ok();
370 Score score = ((Result_ProbabilisticScorerDecodeErrorZ.Result_ProbabilisticScorerDecodeErrorZ_OK) score_res).res.as_Score();
371 MultiThreadedLockableScore scorer = null;
372 if (use_invoice_payer) { scorer = MultiThreadedLockableScore.of(score); }
373 constructor.chain_sync_completed(new ChannelManagerConstructor.EventHandler() {
374 @Override public void handle_event(Event event) {
375 synchronized (pending_manager_events) {
376 pending_manager_events.add(event);
377 pending_manager_events.notifyAll();
380 @Override public void persist_manager(byte[] channel_manager_bytes) { assert channel_manager_bytes.length > 1; }
381 @Override public void persist_network_graph(byte[] graph_bytes) { assert graph_bytes.length > 1; }
382 @Override public void persist_scorer(byte[] scorer_bytes) { assert scorer_bytes.length > 1; }
384 this.chan_manager = constructor.channel_manager;
385 this.peer_manager = constructor.peer_manager;
386 this.payer = constructor.payer;
387 must_free_objs.add(new WeakReference<>(this.chan_manager));
389 ChainParameters params = ChainParameters.of(Network.LDKNetwork_Bitcoin, BestBlock.of(new byte[32], 0));
390 this.chan_manager = ChannelManager.of(this.fee_estimator, chain_watch, tx_broadcaster, logger, this.keys_interface, UserConfig.with_default(), params);
391 byte[] random_data = keys_interface.get_secure_random_bytes();
392 Result_SecretKeyNoneZ node_secret = keys_interface.get_node_secret(Recipient.LDKRecipient_Node);
393 assert node_secret.is_ok();
394 this.peer_manager = PeerManager.of(chan_manager.as_ChannelMessageHandler(), route_handler.as_RoutingMessageHandler(),
395 ((Result_SecretKeyNoneZ.Result_SecretKeyNoneZ_OK)node_secret).res, random_data, logger, this.custom_message_handler);
396 if (use_invoice_payer) {
397 this.payer = InvoicePayer.of(this.chan_manager.as_Payer(), Router.new_impl(new Router.RouterInterface() {
399 public Result_RouteLightningErrorZ find_route(byte[] payer, RouteParameters params, byte[] payment_hash, ChannelDetails[] first_hops, Score scorer) {
400 return UtilMethods.find_route(payer, params, router, first_hops, logger, scorer, new byte[32]);
402 }), MultiThreadedLockableScore.of(Score.new_impl(new Score.ScoreInterface() {
403 @Override public void payment_path_failed(RouteHop[] path, long scid) {}
404 @Override public long channel_penalty_msat(long short_channel_id, NodeId source, NodeId target, ChannelUsage usage) { return 0; }
405 @Override public void payment_path_successful(RouteHop[] path) {}
406 @Override public byte[] write() { assert false; return null; }
407 })), logger, EventHandler.new_impl(new EventHandler.EventHandlerInterface() {
408 @Override public void handle_event(Event event) {
409 synchronized (pending_manager_events) {
410 pending_manager_events.add(event);
411 pending_manager_events.notifyAll();
414 }), Retry.attempts(0));
418 this.node_id = chan_manager.get_our_node_id();
426 this(null, orig.seed);
427 if (use_chan_manager_constructor) {
428 byte[][] monitors = {orig.monitors.values().stream().iterator().next().write()};
429 byte[] serialized = orig.chan_manager.write();
430 byte[] serialized_router = orig.router.write();
432 Filter filter_nullable = null;
433 if (this.filter instanceof Option_FilterZ.Some) {
434 filter_nullable = ((Option_FilterZ.Some) this.filter).some;
436 if (use_ignore_handler) {
437 this.constructor = new ChannelManagerConstructor(serialized, monitors, UserConfig.with_default(),
438 this.keys_interface, this.fee_estimator, this.chain_monitor, filter_nullable,
439 null, this.tx_broadcaster, this.logger);
441 this.constructor = new ChannelManagerConstructor(serialized, monitors, UserConfig.with_default(),
442 this.keys_interface, this.fee_estimator, this.chain_monitor, filter_nullable,
443 serialized_router, this.tx_broadcaster, this.logger);
445 // Test that ChannelManagerConstructor correctly rejects duplicate ChannelMonitors
446 byte[][] monitors_dupd = new byte[2][];
447 monitors_dupd[0] = monitors[0];
448 monitors_dupd[1] = monitors[0];
449 ChannelManagerConstructor constr = this.constructor = new ChannelManagerConstructor(serialized, monitors_dupd, UserConfig.with_default(),
450 this.keys_interface, this.fee_estimator, this.chain_monitor, filter_nullable,
451 null, this.tx_broadcaster, this.logger);
453 } catch (ChannelManagerConstructor.InvalidSerializedDataException e) {}
455 this.router = this.constructor.net_graph;
456 setup_route_handler();
457 MultiThreadedLockableScore scorer = null;
458 if (use_invoice_payer) { scorer = MultiThreadedLockableScore.of(ProbabilisticScorer.of(ProbabilisticScoringParameters.with_default(), this.router, this.logger).as_Score()); }
459 constructor.chain_sync_completed(new ChannelManagerConstructor.EventHandler() {
460 @Override public void handle_event(Event event) {
461 synchronized (pending_manager_events) {
462 pending_manager_events.add(event);
463 pending_manager_events.notifyAll();
466 @Override public void persist_manager(byte[] channel_manager_bytes) { assert channel_manager_bytes.length > 1; }
467 @Override public void persist_network_graph(byte[] graph_bytes) { assert graph_bytes.length > 1; }
468 @Override public void persist_scorer(byte[] scorer_bytes) { assert scorer_bytes.length > 1; }
470 this.chan_manager = constructor.channel_manager;
471 this.payer = constructor.payer;
472 this.peer_manager = constructor.peer_manager;
473 must_free_objs.add(new WeakReference<>(this.chan_manager));
474 // If we are using a ChannelManagerConstructor, we may have pending events waiting on the old peer
475 // which have been removed from the ChannelManager but which we still need to handle.
476 this.pending_manager_events.addAll(orig.pending_manager_events);
477 if (!this.pending_manager_events.isEmpty()) {
478 // However, this implies cross_reload_ref_pollution
479 cross_reload_ref_pollution = true;
481 } catch (ChannelManagerConstructor.InvalidSerializedDataException e) {
485 this.router = NetworkGraph.of(new byte[32], this.logger);
486 this.setup_route_handler();
487 ChannelMonitor[] monitors = new ChannelMonitor[1];
488 assert orig.monitors.size() == 1;
489 if (!break_cross_peer_refs) {
490 monitors[0] = orig.monitors.values().stream().iterator().next();
492 byte[] serialized = orig.monitors.values().stream().iterator().next().write();
493 Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ res =
494 UtilMethods.C2Tuple_BlockHashChannelMonitorZ_read(serialized, this.keys_interface);
495 assert res instanceof Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK;
496 monitors[0] = ((Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK) res).res.get_b();
498 byte[] serialized = orig.chan_manager.write();
499 Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ read_res =
500 UtilMethods.C2Tuple_BlockHashChannelManagerZ_read(serialized, this.keys_interface, this.fee_estimator, this.chain_watch, this.tx_broadcaster, this.logger, UserConfig.with_default(), monitors);
501 assert read_res instanceof Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_OK;
502 this.chan_manager = ((Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_OK) read_res).res.get_b();
503 this.chain_watch.watch_channel(monitors[0].get_funding_txo().get_a(), monitors[0]);
504 byte[] random_data = keys_interface.get_secure_random_bytes();
505 Result_SecretKeyNoneZ node_secret = keys_interface.get_node_secret(Recipient.LDKRecipient_Node);
506 assert node_secret.is_ok();
507 this.peer_manager = PeerManager.of(chan_manager.as_ChannelMessageHandler(), route_handler.as_RoutingMessageHandler(),
508 ((Result_SecretKeyNoneZ.Result_SecretKeyNoneZ_OK)node_secret).res,
509 random_data, logger, this.custom_message_handler);
510 if (!break_cross_peer_refs && (use_manual_watch || use_km_wrapper)) {
511 // When we pass monitors[0] into chain_watch.watch_channel we create a reference from the new Peer to a
512 // field in the old peer, preventing freeing of the original Peer until the new Peer is freed. Thus, we
513 // shouldn't bother waiting for the original to be freed later on.
514 cross_reload_ref_pollution = true;
516 if (use_invoice_payer) {
517 this.payer = InvoicePayer.of(this.chan_manager.as_Payer(), Router.new_impl(new Router.RouterInterface() {
519 public Result_RouteLightningErrorZ find_route(byte[] payer, RouteParameters params, byte[] _payment_hash, ChannelDetails[] first_hops, Score scorer) {
520 return UtilMethods.find_route(payer, params, router, first_hops, logger, scorer, new byte[32]);
522 }), MultiThreadedLockableScore.of(Score.new_impl(new Score.ScoreInterface() {
523 @Override public long channel_penalty_msat(long short_channel_id, NodeId source, NodeId target, ChannelUsage usage) { return 0; }
524 @Override public void payment_path_failed(RouteHop[] path, long scid) {}
525 @Override public void payment_path_successful(RouteHop[] path) {}
526 @Override public byte[] write() { assert false; return null; }
527 })), logger, EventHandler.new_impl(new EventHandler.EventHandlerInterface() {
528 @Override public void handle_event(Event event) {
529 synchronized (pending_manager_events) {
530 pending_manager_events.add(event);
531 pending_manager_events.notifyAll();
534 }), Retry.attempts(0));
537 this.node_id = chan_manager.get_our_node_id();
540 if (cross_reload_ref_pollution) {
541 // This really, really needs to be handled at the bindings layer, but its rather complicated -
542 // ChannelSigners can be cloned and passed around without java being involved, resulting in them being
543 // owned by both one or more ChannelMonitors and a ChannelManager, with only one having proper pointers
544 // to the ChannelSigner. Ideally, the ChannelSigner would have a global reference to the Java
545 // implementation class, but that results in circular references. Instead, we need some ability to,
546 // while cloning ChannelSigners, add new references in the calling Java struct (ie ChannelMonitor) to
547 // the ChannelSigner.
548 this.ptr_to = orig.chan_manager;
553 TwoTuple_TxidCVec_C2Tuple_u32TxOutZZZ[] connect_block(Block b, int height, long expected_monitor_update_len) {
554 byte[] header = Arrays.copyOfRange(b.bitcoinSerialize(), 0, 80);
555 TwoTuple_usizeTransactionZ[] txn;
556 if (b.hasTransactions()) {
557 assert b.getTransactions().size() == 1;
558 TwoTuple_usizeTransactionZ txp = TwoTuple_usizeTransactionZ.of((long) 0, b.getTransactions().get(0).bitcoinSerialize());
559 txn = new TwoTuple_usizeTransactionZ[]{txp};
561 txn = new TwoTuple_usizeTransactionZ[0];
562 if (chain_monitor != null) {
563 chan_manager.as_Listen().block_connected(b.bitcoinSerialize(), height);
564 chain_monitor.as_Listen().block_connected(b.bitcoinSerialize(), height);
566 chan_manager.as_Confirm().transactions_confirmed(header, txn, height);
567 chan_manager.as_Confirm().best_block_updated(header, height);
568 // Connect manually if we aren't using a ChainMonitor and are implementing Watch ourselves
569 synchronized (monitors) {
570 assert monitors.size() == 1;
571 for (ChannelMonitor mon : monitors.values()) {
572 TwoTuple_TxidCVec_C2Tuple_u32TxOutZZZ[] ret = mon.block_connected(header, txn, height, tx_broadcaster, fee_estimator, logger);
573 assert ret.length == expected_monitor_update_len;
581 Event[] get_monitor_events(int expected_len) {
582 if (use_chan_manager_constructor) {
584 synchronized (this.pending_manager_events) {
585 if (expected_len != 0 && this.pending_manager_events.size() == expected_len) {
589 if (expected_len == 0) {
590 try { Thread.sleep(500); } catch (InterruptedException e) { assert false; }
596 synchronized (this.pending_manager_events) {
597 Event[] res = this.pending_manager_events.toArray(new Event[0]);
598 this.pending_manager_events.clear();
599 assert res.length == expected_len;
602 } else if (chain_monitor != null) {
603 ArrayList<Event> l = new ArrayList<Event>();
604 chain_monitor.as_EventsProvider().process_pending_events(EventHandler.new_impl(l::add));
605 assert l.size() == expected_len;
606 return l.toArray(new Event[0]);
608 synchronized (monitors) {
609 assert monitors.size() == 1;
610 for (ChannelMonitor mon : monitors.values()) {
611 Event[] res = mon.get_and_clear_pending_events();
612 assert res.length == expected_len;
620 Event[] get_manager_events(int expected_len, Peer peer1, Peer peer2) {
621 assert expected_len != 0;
622 if (!use_nio_peer_handler) {
623 maybe_exchange_peer_messages(peer1, peer2);
625 Event[] res = new Event[0];
626 if (use_chan_manager_constructor) {
627 while (res.length < expected_len) {
628 synchronized (this.pending_manager_events) {
629 if (this.pending_manager_events.size() >= expected_len) {
630 res = this.pending_manager_events.toArray(res);
631 assert res.length == expected_len;
632 this.pending_manager_events.clear();
634 if (res.length < expected_len) {
635 try { this.pending_manager_events.wait(); } catch (InterruptedException e) { assert false; }
640 ArrayList<Event> l = new ArrayList<Event>();
641 while (l.size() < expected_len) {
643 if (use_nio_peer_handler) {
644 peer1.nio_peer_handler.check_events();
645 peer2.nio_peer_handler.check_events();
647 chan_manager.as_EventsProvider().process_pending_events(EventHandler.new_impl(l::add));
649 return l.toArray(new Event[0]);
651 assert res.length == expected_len;
656 static class DescriptorHolder { SocketDescriptor val; }
658 boolean running = false;
659 final LinkedList<Runnable> runqueue = new LinkedList();
661 Thread t = new Thread(() -> {
665 synchronized (runqueue) {
666 while (runqueue.isEmpty()) {
670 r = runqueue.pollFirst();
673 synchronized (runqueue) {
675 runqueue.notifyAll();
677 } catch (InterruptedException e) {
683 void maybe_exchange_peer_messages(Peer peer1, Peer peer2) {
684 if (!use_nio_peer_handler) {
686 peer1.peer_manager.process_events();
687 peer2.peer_manager.process_events();
688 synchronized (runqueue) {
689 if (runqueue.isEmpty() && !running) {
695 try { runqueue.wait(); } catch (InterruptedException e) { assert false; }
698 } else if (!use_chan_manager_constructor) {
699 peer1.nio_peer_handler.check_events();
700 peer2.nio_peer_handler.check_events();
703 void do_read_event(PeerManager pm, SocketDescriptor descriptor, byte[] data) {
704 if (!t.isAlive()) t.start();
705 synchronized (runqueue) {
708 Result_boolPeerHandleErrorZ res = pm.read_event(descriptor, data);
709 assert res instanceof Result_boolPeerHandleErrorZ.Result_boolPeerHandleErrorZ_OK;
711 runqueue.notifyAll();
713 must_free_objs.add(new WeakReference<>(data));
716 void connect_peers(final Peer peer1, final Peer peer2) {
717 peer2.connected_peer_node_id = peer1.node_id;
718 peer1.connected_peer_node_id = peer2.node_id;
719 if (use_nio_peer_handler) {
721 peer1.nio_peer_handler.connect(peer2.chan_manager.get_our_node_id(), new InetSocketAddress("127.0.0.1", peer2.nio_port), 100);
722 } catch (IOException e) { assert false; }
723 while (peer1.peer_manager.get_peer_node_ids().length == 0 || peer2.peer_manager.get_peer_node_ids().length == 0) {
727 DescriptorHolder descriptor1 = new DescriptorHolder();
728 DescriptorHolder descriptor1ref = descriptor1;
729 SocketDescriptor descriptor2 = SocketDescriptor.new_impl(new SocketDescriptor.SocketDescriptorInterface() {
731 public long send_data(byte[] data, boolean resume_read) {
732 do_read_event(peer1.peer_manager, descriptor1ref.val, data);
736 @Override public void disconnect_socket() { assert false; }
737 @Override public boolean eq(SocketDescriptor other_arg) { return other_arg.hash() == 2; }
738 @Override public long hash() { return 2; }
741 descriptor1.val = SocketDescriptor.new_impl(new SocketDescriptor.SocketDescriptorInterface() {
743 public long send_data(byte[] data, boolean resume_read) {
744 do_read_event(peer2.peer_manager, descriptor2, data);
748 @Override public void disconnect_socket() { assert false; }
749 @Override public boolean eq(SocketDescriptor other_arg) { return other_arg.hash() == 1; }
750 @Override public long hash() { return 1; }
753 Result_CVec_u8ZPeerHandleErrorZ conn_res = peer1.peer_manager.new_outbound_connection(peer2.node_id, descriptor1.val, Option_NetAddressZ.none());
754 assert conn_res instanceof Result_CVec_u8ZPeerHandleErrorZ.Result_CVec_u8ZPeerHandleErrorZ_OK;
756 Result_NonePeerHandleErrorZ inbound_conn_res = peer2.peer_manager.new_inbound_connection(descriptor2, Option_NetAddressZ.none());
757 assert inbound_conn_res instanceof Result_NonePeerHandleErrorZ.Result_NonePeerHandleErrorZ_OK;
758 do_read_event(peer2.peer_manager, descriptor2, ((Result_CVec_u8ZPeerHandleErrorZ.Result_CVec_u8ZPeerHandleErrorZ_OK) conn_res).res);
760 maybe_exchange_peer_messages(peer1, peer2);
764 TestState do_test_message_handler() throws InterruptedException {
765 Peer peer1 = new Peer((byte) 1);
766 Peer peer2 = new Peer((byte) 2);
768 connect_peers(peer1, peer2);
770 Result__u832APIErrorZ cc_res = peer1.chan_manager.create_channel(peer2.node_id, 100000, 1000, 42, null);
771 assert cc_res instanceof Result__u832APIErrorZ.Result__u832APIErrorZ_OK;
773 // Previously, this was a SEGFAULT instead of get_funding_txo() returning null.
774 ChannelDetails pre_funding_chan = peer1.chan_manager.list_channels()[0];
775 assert pre_funding_chan.get_funding_txo() == null;
777 Event[] events = peer1.get_manager_events(1, peer1, peer2);
778 assert events[0] instanceof Event.FundingGenerationReady;
779 assert ((Event.FundingGenerationReady) events[0]).channel_value_satoshis == 100000;
780 assert ((Event.FundingGenerationReady) events[0]).user_channel_id == 42;
781 byte[] funding_spk = ((Event.FundingGenerationReady) events[0]).output_script;
782 assert funding_spk.length == 34 && funding_spk[0] == 0 && funding_spk[1] == 32; // P2WSH
783 byte[] chan_id = ((Event.FundingGenerationReady) events[0]).temporary_channel_id;
785 NetworkParameters bitcoinj_net = NetworkParameters.fromID(NetworkParameters.ID_MAINNET);
787 Transaction funding = new Transaction(bitcoinj_net);
788 funding.addInput(new TransactionInput(bitcoinj_net, funding, new byte[0]));
789 funding.getInputs().get(0).setWitness(new TransactionWitness(2)); // Make sure we don't complain about lack of witness
790 funding.getInput(0).getWitness().setPush(0, new byte[]{0x1});
791 funding.addOutput(Coin.SATOSHI.multiply(100000), new Script(funding_spk));
792 Result_NoneAPIErrorZ funding_res = peer1.chan_manager.funding_transaction_generated(chan_id, peer2.node_id, funding.bitcoinSerialize());
793 assert funding_res instanceof Result_NoneAPIErrorZ.Result_NoneAPIErrorZ_OK;
795 maybe_exchange_peer_messages(peer1, peer2);
796 synchronized (peer1.broadcast_set) {
797 while (peer1.broadcast_set.size() != 1) {
798 peer1.broadcast_set.wait();
802 assert peer1.broadcast_set.size() == 1;
803 assert Arrays.equals(peer1.broadcast_set.get(0), funding.bitcoinSerialize());
804 peer1.broadcast_set.clear();
806 Block b = new Block(bitcoinj_net, 2, Sha256Hash.ZERO_HASH, Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[]{funding}));
807 peer1.connect_block(b, 1, 0);
808 peer2.connect_block(b, 1, 0);
810 for (int height = 2; height < 10; height++) {
811 b = new Block(bitcoinj_net, 2, b.getHash(), Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[0]));
812 peer1.connect_block(b, height, 0);
813 peer2.connect_block(b, height, 0);
816 maybe_exchange_peer_messages(peer1, peer2);
817 while (peer1.chan_manager.list_usable_channels().length != 1 || peer2.chan_manager.list_usable_channels().length != 1)
819 peer1.chan_manager.list_channels();
820 ChannelDetails[] peer1_chans = peer1.chan_manager.list_usable_channels();
821 ChannelDetails[] peer2_chans = peer2.chan_manager.list_usable_channels();
822 assert peer1_chans.length == 1;
823 assert peer2_chans.length == 1;
824 assert peer1_chans[0].get_channel_value_satoshis() == 100000;
825 assert peer1_chans[0].get_is_usable();
826 Option_u64Z short_chan_id = peer1_chans[0].get_short_channel_id();
827 assert short_chan_id instanceof Option_u64Z.Some;
828 assert ((Option_u64Z.Some)short_chan_id).some == (1L << 40); // 0th output in the 0th transaction in the 1st block
829 assert Arrays.equals(peer1_chans[0].get_channel_id(), funding.getTxId().getReversedBytes());
830 assert Arrays.equals(peer2_chans[0].get_channel_id(), funding.getTxId().getReversedBytes());
832 Result_InvoiceSignOrCreationErrorZ invoice = UtilMethods.create_invoice_from_channelmanager(peer2.chan_manager, peer2.keys_interface, Currency.LDKCurrency_Bitcoin, Option_u64Z.some(10000000), "Invoice Description", 7200);
833 assert invoice instanceof Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK;
834 System.out.println("Got invoice: " + ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.to_str());
836 Result_InvoiceParseOrSemanticErrorZ parsed_invoice = Invoice.from_str(((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.to_str());
837 assert parsed_invoice instanceof Result_InvoiceParseOrSemanticErrorZ.Result_InvoiceParseOrSemanticErrorZ_OK;
838 assert Arrays.equals(((Result_InvoiceParseOrSemanticErrorZ.Result_InvoiceParseOrSemanticErrorZ_OK) parsed_invoice).res.payment_hash(), ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.payment_hash());
839 SignedRawInvoice signed_raw = ((Result_InvoiceParseOrSemanticErrorZ.Result_InvoiceParseOrSemanticErrorZ_OK) parsed_invoice).res.into_signed_raw();
840 RawInvoice raw_invoice = signed_raw.raw_invoice();
841 byte[] desc_hash = raw_invoice.hash();
842 Description raw_invoice_description = raw_invoice.description();
843 String description_string = raw_invoice_description.into_inner();
844 assert description_string.equals("Invoice Description");
846 if (!use_invoice_payer) {
847 byte[] payment_hash = ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.payment_hash();
848 byte[] payment_secret = ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.payment_secret();
849 byte[] dest_node_id = ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.recover_payee_pub_key();
850 assert Arrays.equals(dest_node_id, peer2.node_id);
851 InvoiceFeatures invoice_features = ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.features();
852 RouteHint[] route_hints = ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.route_hints();
854 PaymentParameters payee = PaymentParameters.of(peer2.node_id, invoice_features, route_hints, Option_u64Z.none(), 6*24*14);
855 RouteParameters route_params = RouteParameters.of(payee, 10000000, 42);
856 Result_RouteLightningErrorZ route_res = UtilMethods.find_route(
857 peer1.chan_manager.get_our_node_id(), route_params, peer1.router,
858 peer1_chans, peer1.logger, ProbabilisticScorer.of(ProbabilisticScoringParameters.with_default(), peer1.router, peer1.logger).as_Score(), new byte[32]);
859 assert route_res instanceof Result_RouteLightningErrorZ.Result_RouteLightningErrorZ_OK;
860 Route route = ((Result_RouteLightningErrorZ.Result_RouteLightningErrorZ_OK) route_res).res;
861 assert route.get_paths().length == 1;
862 assert route.get_paths()[0].length == 1;
863 assert route.get_paths()[0][0].get_fee_msat() == 10000000;
865 Result_PaymentIdPaymentSendFailureZ payment_res = peer1.chan_manager.send_payment(route, payment_hash, payment_secret);
866 assert payment_res instanceof Result_PaymentIdPaymentSendFailureZ.Result_PaymentIdPaymentSendFailureZ_OK;
868 RouteHop[][] hops = new RouteHop[1][1];
869 byte[] hop_pubkey = new byte[33];
872 hops[0][0] = RouteHop.of(hop_pubkey, NodeFeatures.known(), 42, ChannelFeatures.known(), 100, 0);
873 Route r2 = Route.of(hops, payee);
874 payment_res = peer1.chan_manager.send_payment(r2, payment_hash, payment_secret);
875 assert payment_res instanceof Result_PaymentIdPaymentSendFailureZ.Result_PaymentIdPaymentSendFailureZ_Err;
877 Result_PaymentIdPaymentErrorZ send_res = peer1.payer.pay_invoice(((Result_InvoiceParseOrSemanticErrorZ.Result_InvoiceParseOrSemanticErrorZ_OK) parsed_invoice).res);
878 assert send_res instanceof Result_PaymentIdPaymentErrorZ.Result_PaymentIdPaymentErrorZ_OK;
882 if (use_chan_manager_constructor) {
883 peer1.constructor.interrupt();
884 peer2.constructor.interrupt();
885 } else if (use_nio_peer_handler) {
886 peer1.nio_peer_handler.interrupt();
887 peer2.nio_peer_handler.interrupt();
889 WeakReference<Peer> op1 = new WeakReference<Peer>(peer1);
890 peer1 = new Peer(peer1);
891 peer2 = new Peer(peer2);
892 return new TestState(op1, peer1, peer2, b.getHash());
894 return new TestState(null, peer1, peer2, b.getHash());
897 boolean cross_reload_ref_pollution = false;
899 private final WeakReference<Peer> ref_block;
900 private final Peer peer1;
901 private final Peer peer2;
902 public Sha256Hash best_blockhash;
904 public TestState(WeakReference<Peer> ref_block, Peer peer1, Peer peer2, Sha256Hash best_blockhash) {
905 this.ref_block = ref_block;
908 this.best_blockhash = best_blockhash;
911 void do_test_message_handler_b(TestState state) throws InterruptedException {
912 GcCheck obj = new GcCheck();
913 if (state.ref_block != null) {
914 // Ensure the original peers get freed before we move on. Note that we have to be in a different function
915 // scope to do so as the (at least current OpenJDK) JRE won't release anything created in the same scope.
916 while (!cross_reload_ref_pollution && state.ref_block.get() != null) {
918 System.runFinalization();
920 connect_peers(state.peer1, state.peer2);
923 Event[] events = state.peer2.get_manager_events(1, state.peer1, state.peer2);
924 assert events[0] instanceof Event.PendingHTLCsForwardable;
925 state.peer2.chan_manager.process_pending_htlc_forwards();
927 events = state.peer2.get_manager_events(1, state.peer1, state.peer2);
928 assert events[0] instanceof Event.PaymentReceived;
929 assert ((Event.PaymentReceived)events[0]).purpose instanceof PaymentPurpose.InvoicePayment;
930 byte[] payment_preimage = ((PaymentPurpose.InvoicePayment)((Event.PaymentReceived)events[0]).purpose).payment_preimage;
931 assert !Arrays.equals(payment_preimage, new byte[32]);
932 state.peer2.chan_manager.claim_funds(payment_preimage);
934 events = state.peer2.get_manager_events(1, state.peer1, state.peer2);
935 assert events[0] instanceof Event.PaymentClaimed;
936 assert ((Event.PaymentClaimed)events[0]).purpose instanceof PaymentPurpose.InvoicePayment;
937 payment_preimage = ((PaymentPurpose.InvoicePayment)((Event.PaymentClaimed)events[0]).purpose).payment_preimage;
938 assert !Arrays.equals(payment_preimage, new byte[32]);
940 events = state.peer1.get_manager_events(2, state.peer1, state.peer2);
941 assert events[0] instanceof Event.PaymentSent;
942 assert Arrays.equals(((Event.PaymentSent) events[0]).payment_preimage, payment_preimage);
943 assert events[1] instanceof Event.PaymentPathSuccessful;
944 assert Arrays.equals(((Event.PaymentPathSuccessful) events[1]).payment_hash, ((Event.PaymentSent) events[0]).payment_hash);
946 if (use_nio_peer_handler) {
947 // We receive PaymentSent immediately upon receipt of the payment preimage, but we expect to not have an
948 // HTLC transaction to broadcast below, which requires a bit more time to fully complete the
949 // commitment-transaction-update dance between both peers.
953 if (state.peer1.chain_monitor != null) {
954 Balance[] peer1_balances = state.peer1.chain_monitor.get_claimable_balances(state.peer1.chan_manager.list_channels());
955 assert peer1_balances.length == 0;
956 Balance[] peer2_balances = state.peer2.chain_monitor.get_claimable_balances(state.peer2.chan_manager.list_channels());
957 assert peer2_balances.length == 0;
960 ChannelDetails[] peer1_chans = state.peer1.chan_manager.list_channels();
963 Result_NoneAPIErrorZ close_res = state.peer1.chan_manager.close_channel(peer1_chans[0].get_channel_id(), state.peer2.node_id);
964 assert close_res instanceof Result_NoneAPIErrorZ.Result_NoneAPIErrorZ_OK;
965 maybe_exchange_peer_messages(state.peer1, state.peer2);
966 synchronized (state.peer1.broadcast_set) {
967 while (state.peer1.broadcast_set.size() != 1) state.peer1.broadcast_set.wait();
969 synchronized (state.peer2.broadcast_set) {
970 while (state.peer2.broadcast_set.size() != 1) state.peer2.broadcast_set.wait();
973 state.peer1.chan_manager.force_close_all_channels();
974 maybe_exchange_peer_messages(state.peer1, state.peer2);
975 synchronized (state.peer1.broadcast_set) {
976 while (state.peer1.broadcast_set.size() != 1) state.peer1.broadcast_set.wait();
978 synchronized (state.peer2.broadcast_set) {
979 while (state.peer2.broadcast_set.size() != 1) state.peer2.broadcast_set.wait();
983 assert state.peer1.broadcast_set.size() == 1;
984 assert state.peer2.broadcast_set.size() == 1;
986 events = state.peer2.get_manager_events(1, state.peer1, state.peer2);
987 assert events[0] instanceof Event.ChannelClosed;
988 events = state.peer1.get_manager_events(1, state.peer1, state.peer2);
989 assert events[0] instanceof Event.ChannelClosed;
991 if (state.peer1.chain_monitor != null) {
992 Balance[] peer1_balances = state.peer1.chain_monitor.get_claimable_balances(state.peer1.chan_manager.list_channels());
993 assert peer1_balances.length == 1;
994 for (Balance bal : peer1_balances) {
995 assert bal instanceof Balance.ClaimableOnChannelClose;
996 long expected_tx_fee = 183;
997 assert ((Balance.ClaimableOnChannelClose) bal).claimable_amount_satoshis == 100000 - 1 - 10000 - expected_tx_fee;
999 Balance[] peer2_balances = state.peer2.chain_monitor.get_claimable_balances(state.peer2.chan_manager.list_channels());
1000 assert peer2_balances.length == 1;
1001 for (Balance bal : peer2_balances) {
1002 assert bal instanceof Balance.ClaimableOnChannelClose;
1003 assert ((Balance.ClaimableOnChannelClose) bal).claimable_amount_satoshis == 10000 + 1;
1008 NetworkParameters bitcoinj_net = NetworkParameters.fromID(NetworkParameters.ID_MAINNET);
1009 Transaction tx = new Transaction(bitcoinj_net, state.peer1.broadcast_set.getFirst());
1010 Block b = new Block(bitcoinj_net, 2, state.best_blockhash, Sha256Hash.ZERO_HASH, 42, 0, 0,
1011 Arrays.asList(new Transaction[]{tx}));
1012 TwoTuple_TxidCVec_C2Tuple_u32TxOutZZZ[] watch_outputs = state.peer2.connect_block(b, 10, 1);
1013 if (watch_outputs != null) { // We only process watch_outputs manually when we use a manually-build Watch impl
1014 assert watch_outputs.length == 1;
1015 assert Arrays.equals(watch_outputs[0].get_a(), tx.getTxId().getReversedBytes());
1016 assert watch_outputs[0].get_b().length == 2;
1017 assert watch_outputs[0].get_b()[0].get_a() == 0;
1018 assert watch_outputs[0].get_b()[1].get_a() == 1;
1021 for (int i = 11; i < 21; i++) {
1022 b = new Block(bitcoinj_net, 2, b.getHash(), Sha256Hash.ZERO_HASH, 42, 0, 0, new ArrayList<>());
1023 state.peer2.connect_block(b, i, 0);
1026 Event[] broadcastable_event = state.peer2.get_monitor_events(1);
1027 for (ChannelMonitor mon : state.peer2.monitors.values()) {
1028 // This used to be buggy and double-free, so go ahead and fetch them!
1029 byte[][] txn = mon.get_latest_holder_commitment_txn(state.peer2.logger);
1031 assert broadcastable_event.length == 1;
1032 assert broadcastable_event[0] instanceof Event.SpendableOutputs;
1033 if (state.peer2.explicit_keys_manager != null) {
1034 TxOut[] additional_outputs = new TxOut[]{new TxOut(420, new byte[]{0x42})};
1035 Result_TransactionNoneZ tx_res = state.peer2.explicit_keys_manager.spend_spendable_outputs(((Event.SpendableOutputs) broadcastable_event[0]).outputs, additional_outputs, new byte[]{0x00}, 253);
1036 assert tx_res instanceof Result_TransactionNoneZ.Result_TransactionNoneZ_OK;
1037 Transaction built_tx = new Transaction(bitcoinj_net, ((Result_TransactionNoneZ.Result_TransactionNoneZ_OK) tx_res).res);
1038 assert built_tx.getOutputs().size() == 2;
1039 assert Arrays.equals(built_tx.getOutput(1).getScriptBytes(), new byte[]{0x00});
1040 assert Arrays.equals(built_tx.getOutput(0).getScriptBytes(), new byte[]{0x42});
1041 assert built_tx.getOutput(0).getValue().value == 420;
1045 // Test exchanging a custom message (note that ChannelManagerConstructor) always loads an IgnorimgMessageHandler
1046 // so we cannot exchange custom messages with it
1047 if (!use_chan_manager_constructor) {
1048 byte[] custom_message_bytes = new byte[]{0x42, 0x44, 0x43, 0x00};
1049 state.peer1.custom_messages_to_send.add(custom_message_bytes);
1050 state.peer1.peer_manager.process_events();
1051 synchronized (state.peer2.received_custom_messages) {
1053 if (state.peer2.received_custom_messages.isEmpty()) {
1054 state.peer2.received_custom_messages.wait();
1057 assert state.peer2.received_custom_messages.size() == 1;
1058 assert Arrays.equals(state.peer2.received_custom_messages.get(0), custom_message_bytes);
1064 if (use_nio_peer_handler) {
1065 state.peer1.peer_manager.disconnect_by_node_id(state.peer2.chan_manager.get_our_node_id(), false);
1066 while (state.peer1.peer_manager.get_peer_node_ids().length != 0) Thread.yield();
1067 while (state.peer2.peer_manager.get_peer_node_ids().length != 0) Thread.yield();
1068 state.peer1.nio_peer_handler.interrupt();
1069 state.peer2.nio_peer_handler.interrupt();
1072 state.peer1.get_monitor_events(0);
1073 state.peer2.get_monitor_events(0);
1075 if (use_chan_manager_constructor) {
1076 state.peer1.constructor.interrupt();
1077 state.peer2.constructor.interrupt();
1082 if (state.peer1.router != null)
1083 state.peer1.router.write();
1085 // Construct the only Option_Enum::Variant(OpaqueStruct) we have in the codebase as this used to cause double-frees:
1086 byte[] serd = new byte[] {(byte)0xd9,(byte)0x77,(byte)0xcb,(byte)0x9b,(byte)0x53,(byte)0xd9,(byte)0x3a,(byte)0x6f,(byte)0xf6,(byte)0x4b,(byte)0xb5,(byte)0xf1,(byte)0xe1,(byte)0x58,(byte)0xb4,(byte)0x09,(byte)0x4b,(byte)0x66,(byte)0xe7,(byte)0x98,(byte)0xfb,(byte)0x12,(byte)0x91,(byte)0x11,(byte)0x68,(byte)0xa3,(byte)0xcc,(byte)0xdf,(byte)0x80,(byte)0xa8,(byte)0x30,(byte)0x96,(byte)0x34,(byte)0x0a,(byte)0x6a,(byte)0x95,(byte)0xda,(byte)0x0a,(byte)0xe8,(byte)0xd9,(byte)0xf7,(byte)0x76,(byte)0x52,(byte)0x8e,(byte)0xec,(byte)0xdb,(byte)0xb7,(byte)0x47,(byte)0xeb,(byte)0x6b,(byte)0x54,(byte)0x54,(byte)0x95,(byte)0xa4,(byte)0x31,(byte)0x9e,(byte)0xd5,(byte)0x37,(byte)0x8e,(byte)0x35,(byte)0xb2,(byte)0x1e,(byte)0x07,(byte)0x3a,(byte)0x00,(byte)0x00,(byte)0x00,(byte)0x00,(byte)0x00,(byte)0x19,(byte)0xd6,(byte)0x68,(byte)0x9c,(byte)0x08,(byte)0x5a,(byte)0xe1,(byte)0x65,(byte)0x83,(byte)0x1e,(byte)0x93,(byte)0x4f,(byte)0xf7,(byte)0x63,(byte)0xae,(byte)0x46,(byte)0xa2,(byte)0xa6,(byte)0xc1,(byte)0x72,(byte)0xb3,(byte)0xf1,(byte)0xb6,(byte)0x0a,(byte)0x8c,(byte)0xe2,(byte)0x6f,(byte)0x00,(byte)0x08,(byte)0x3a,(byte)0x84,(byte)0x00,(byte)0x00,(byte)0x03,(byte)0x4d,(byte)0x01,(byte)0x34,(byte)0x13,(byte)0xa7,(byte)0x00,(byte)0x00,(byte)0x00,(byte)0x90,(byte)0x00,(byte)0x00,(byte)0x00,(byte)0x00,(byte)0x00,(byte)0x0f,(byte)0x42,(byte)0x40,(byte)0x00,(byte)0x00,(byte)0x27,(byte)0x10,(byte)0x00,(byte)0x00,(byte)0x00,(byte)0x14,};
1087 Result_ChannelUpdateDecodeErrorZ upd_msg = ChannelUpdate.read(serd);
1088 assert upd_msg instanceof Result_ChannelUpdateDecodeErrorZ.Result_ChannelUpdateDecodeErrorZ_OK;
1089 Option_NetworkUpdateZ upd = Option_NetworkUpdateZ.some(NetworkUpdate.channel_update_message(((Result_ChannelUpdateDecodeErrorZ.Result_ChannelUpdateDecodeErrorZ_OK) upd_msg).res));
1092 java.util.LinkedList<WeakReference<Object>> must_free_objs = new java.util.LinkedList();
1094 int gc_exp_count = 0;
1096 GcCheck() { gc_exp_count += 1; }
1098 protected void finalize() throws Throwable {
1104 public class HumanObjectPeerTest {
1105 static 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, boolean use_ignoring_routing_handler, boolean use_chan_manager_constructor, boolean use_invoice_payer) throws InterruptedException {
1106 HumanObjectPeerTestInstance instance = new HumanObjectPeerTestInstance(nice_close, use_km_wrapper, use_manual_watch, reload_peers, break_cross_peer_refs, nio_peer_handler, !nio_peer_handler, use_ignoring_routing_handler, use_chan_manager_constructor, use_invoice_payer);
1107 HumanObjectPeerTestInstance.TestState state = instance.do_test_message_handler();
1108 instance.do_test_message_handler_b(state);
1111 static 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, boolean use_ignoring_routing_handler, boolean use_chan_manager_constructor, boolean use_invoice_payer) throws InterruptedException {
1112 HumanObjectPeerTestInstance instance = do_test_run(nice_close, use_km_wrapper, use_manual_watch, reload_peers, break_cross_peer_refs, nio_peer_handler, use_ignoring_routing_handler, use_chan_manager_constructor, use_invoice_payer);
1113 while (instance.gc_count != instance.gc_exp_count) {
1115 System.runFinalization();
1117 for (WeakReference<Object> o : instance.must_free_objs)
1118 assert o.get() == null;
1120 public static final int TEST_ITERATIONS = (1 << 9);
1121 public static void do_test_message_handler(IntConsumer statusFunction) throws InterruptedException {
1122 Thread gc_thread = new Thread(() -> {
1125 System.runFinalization();
1126 try { Thread.sleep(0, 1); } catch (InterruptedException e) { break; }
1128 }, "Test GC Thread");
1130 for (int i = 0; i < TEST_ITERATIONS; i++) {
1131 boolean nice_close = (i & (1 << 0)) != 0;
1132 boolean use_km_wrapper = (i & (1 << 1)) != 0;
1133 boolean use_manual_watch = (i & (1 << 2)) != 0;
1134 boolean reload_peers = (i & (1 << 3)) != 0;
1135 boolean break_cross_refs = (i & (1 << 4)) != 0;
1136 boolean use_ignoring_routing_handler = (i & (1 << 5)) != 0;
1137 boolean use_chan_manager_constructor = (i & (1 << 6)) != 0;
1138 boolean use_invoice_payer = (i & (1 << 7)) != 0;
1139 boolean nio_peer_handler = (i & (1 << 8)) != 0;
1140 if (break_cross_refs && !reload_peers) {
1141 // There are no cross refs to break without reloading peers.
1144 if (use_chan_manager_constructor && (use_manual_watch || !nio_peer_handler)) {
1145 // ChannelManagerConstructor requires a ChainMonitor as the Watch and creates a NioPeerHandler for us.
1148 if (!use_chan_manager_constructor && (use_ignoring_routing_handler)) {
1149 // We rely on the ChannelManagerConstructor to convert null into an IgnoringMessageHandler, so don't
1150 // try to run with an IgnoringMessageHandler unless we're also using a ChannelManagerConstructor.
1153 if (use_chan_manager_constructor && use_ignoring_routing_handler && use_invoice_payer) {
1154 // As documented on ChannelManagerConstructor, if we provide a `null` NetworkGraph (because we want to
1155 // use an IgnoringMessageHandler), no InvoicePayer will be constructored for us, thus we cannot use an
1156 // InvoicePayer to send payments in this case.
1159 statusFunction.accept(i);
1160 do_test(nice_close, use_km_wrapper, use_manual_watch, reload_peers, break_cross_refs, nio_peer_handler, use_ignoring_routing_handler, use_chan_manager_constructor, use_invoice_payer);
1162 gc_thread.interrupt();
1166 public void test_message_handler() throws InterruptedException {
1167 do_test_message_handler(i -> System.err.println("Running test with flags " + i));
1170 // This is used in the test jar to test the built jar is runnable
1171 public static void main(String[] args) {
1173 do_test_message_handler(i -> System.err.println("Running test with flags " + i));
1174 } catch (Exception e) {
1175 System.err.println("Caught exception:");
1176 System.err.println(e);