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.UInt128;
12 import org.ldk.util.UInt5;
14 import java.io.IOException;
15 import java.lang.ref.WeakReference;
16 import java.net.InetSocketAddress;
18 import java.util.function.IntConsumer;
20 class HumanObjectPeerTestInstance {
21 private final boolean nice_close;
22 private final boolean use_km_wrapper;
23 private final boolean use_manual_watch;
24 private final boolean reload_peers;
25 private final boolean break_cross_peer_refs;
26 private final boolean use_nio_peer_handler;
27 private final boolean use_filter;
28 private final boolean use_ignore_handler;
29 private final boolean use_chan_manager_constructor;
30 private final boolean use_invoice_payer;
31 TxOut gossip_txout = null;
33 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) {
34 this.nice_close = nice_close;
35 this.use_km_wrapper = use_km_wrapper;
36 this.use_manual_watch = use_manual_watch;
37 this.reload_peers = reload_peers;
38 this.break_cross_peer_refs = break_cross_peer_refs;
39 this.use_nio_peer_handler = use_nio_peer_handler;
40 this.use_filter = use_filter;
41 this.use_ignore_handler = use_ignore_handler;
42 this.use_chan_manager_constructor = use_chan_manager_constructor;
43 this.use_invoice_payer = use_invoice_payer;
47 KeysInterface manual_keysif(KeysInterface underlying_if) {
48 return KeysInterface.new_impl(new KeysInterface.KeysInterfaceInterface() {
49 @Override public Result_SecretKeyNoneZ get_node_secret(Recipient recipient) { return underlying_if.get_node_secret(recipient); }
50 @Override public Result_PublicKeyNoneZ get_node_id(Recipient recipient) { return underlying_if.get_node_id(recipient); }
52 @Override public Result_SharedSecretNoneZ ecdh(Recipient recipient, byte[] other_key, Option_ScalarZ tweak) { return underlying_if.ecdh(recipient, other_key, tweak); }
53 @Override public byte[] get_destination_script() { return underlying_if.get_destination_script(); }
54 @Override public ShutdownScript get_shutdown_scriptpubkey() { return underlying_if.get_shutdown_scriptpubkey(); }
56 @Override public byte[] generate_channel_keys_id(boolean inbound, long channel_value_satoshis, UInt128 user_channel_id) {
57 return underlying_if.generate_channel_keys_id(inbound, channel_value_satoshis, user_channel_id);
60 public Sign derive_channel_signer(long channel_value_satoshis, byte[] channel_keys_id) {
61 Sign underlying_ck = underlying_if.derive_channel_signer(channel_value_satoshis, channel_keys_id);
62 BaseSign underlying_base = underlying_ck.get_base_sign();
63 BaseSign.BaseSignInterface bsi = new BaseSign.BaseSignInterface() {
64 @Override public byte[] get_per_commitment_point(long idx) {
65 return underlying_base.get_per_commitment_point(idx);
67 @Override public byte[] release_commitment_secret(long idx) {
68 return underlying_base.release_commitment_secret(idx);
70 @Override public Result_NoneNoneZ validate_holder_commitment(HolderCommitmentTransaction holder_tx, byte[][] preimages) {
71 return underlying_base.validate_holder_commitment(holder_tx, preimages);
73 @Override public byte[] channel_keys_id() {
74 return channel_keys_id;
76 @Override public Result_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_counterparty_commitment(CommitmentTransaction commitment_tx, byte[][] preimages) {
77 return underlying_base.sign_counterparty_commitment(commitment_tx, preimages);
79 @Override public Result_NoneNoneZ validate_counterparty_revocation(long idx, byte[] secret) {
80 return underlying_base.validate_counterparty_revocation(idx, secret);
82 @Override public Result_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_holder_commitment_and_htlcs(HolderCommitmentTransaction holder_commitment_tx) {
83 return underlying_base.sign_holder_commitment_and_htlcs(holder_commitment_tx);
85 @Override public Result_SignatureNoneZ sign_justice_revoked_output(byte[] justice_tx, long input, long amount, byte[] per_commitment_key) {
86 return underlying_base.sign_justice_revoked_output(justice_tx, input, amount, per_commitment_key);
88 @Override public Result_SignatureNoneZ sign_justice_revoked_htlc(byte[] justice_tx, long input, long amount, byte[] per_commitment_key, HTLCOutputInCommitment htlc) {
89 return underlying_base.sign_justice_revoked_htlc(justice_tx, input, amount, per_commitment_key, htlc);
91 @Override public Result_SignatureNoneZ sign_counterparty_htlc_transaction(byte[] htlc_tx, long input, long amount, byte[] per_commitment_point, HTLCOutputInCommitment htlc) {
92 return underlying_base.sign_counterparty_htlc_transaction(htlc_tx, input, amount, per_commitment_point, htlc);
94 @Override public Result_SignatureNoneZ sign_closing_transaction(ClosingTransaction closing_tx) {
95 return underlying_base.sign_closing_transaction(closing_tx);
97 @Override public Result_SignatureNoneZ sign_holder_anchor_input(byte[] anchor_tx, long input) {
98 return underlying_base.sign_holder_anchor_input(anchor_tx, input);
100 @Override public Result_C2Tuple_SignatureSignatureZNoneZ sign_channel_announcement(UnsignedChannelAnnouncement msg) {
101 return underlying_base.sign_channel_announcement(msg);
104 @Override public void provide_channel_parameters(ChannelTransactionParameters channel_parameters) {
105 underlying_base.provide_channel_parameters(channel_parameters);
108 Sign.SignInterface si = new Sign.SignInterface() {
110 public byte[] write() {
111 return underlying_ck.write();
114 Sign resp = Sign.new_impl(si, bsi, underlying_base.get_pubkeys());
115 must_free_objs.add(new WeakReference<>(si));
116 must_free_objs.add(new WeakReference<>(bsi));
117 must_free_objs.add(new WeakReference<>(resp));
118 must_free_objs.add(new WeakReference<>(underlying_base));
119 must_free_objs.add(new WeakReference<>(underlying_ck));
124 public byte[] get_secure_random_bytes() {
125 return underlying_if.get_secure_random_bytes();
129 public Result_SignDecodeErrorZ read_chan_signer(byte[] reader) {
130 return underlying_if.read_chan_signer(reader);
134 public Result_RecoverableSignatureNoneZ sign_invoice(byte[] hrp_bytes, UInt5[] invoice_data, Recipient receipient) {
135 return underlying_if.sign_invoice(hrp_bytes, invoice_data, receipient);
139 public byte[] get_inbound_payment_key_material() {
140 return underlying_if.get_inbound_payment_key_material();
145 Watch get_manual_watch() {
146 Watch.WatchInterface watch_impl = new Watch.WatchInterface() {
147 public ChannelMonitorUpdateStatus watch_channel(OutPoint funding_txo, ChannelMonitor monitor) {
148 synchronized (monitors) {
149 assert monitors.put(Arrays.toString(funding_txo.get_txid()), monitor) == null;
151 return ChannelMonitorUpdateStatus.LDKChannelMonitorUpdateStatus_Completed;
154 public ChannelMonitorUpdateStatus update_channel(OutPoint funding_txo, ChannelMonitorUpdate update) {
155 synchronized (monitors) {
156 String txid = Arrays.toString(funding_txo.get_txid());
157 assert monitors.containsKey(txid);
158 Result_NoneNoneZ update_res = monitors.get(txid).update_monitor(update, tx_broadcaster, fee_estimator, logger);
159 assert update_res instanceof Result_NoneNoneZ.Result_NoneNoneZ_OK;
161 return ChannelMonitorUpdateStatus.LDKChannelMonitorUpdateStatus_Completed;
165 public ThreeTuple_OutPointCVec_MonitorEventZPublicKeyZ[] release_pending_monitor_events() {
166 synchronized (monitors) {
167 assert monitors.size() <= 1;
168 for (ChannelMonitor mon : monitors.values()) {
169 ThreeTuple_OutPointCVec_MonitorEventZPublicKeyZ[] res = new ThreeTuple_OutPointCVec_MonitorEventZPublicKeyZ[1];
170 res[0] = ThreeTuple_OutPointCVec_MonitorEventZPublicKeyZ.of(mon.get_funding_txo().get_a(), mon.get_and_clear_pending_monitor_events(), mon.get_counterparty_node_id());
174 return new ThreeTuple_OutPointCVec_MonitorEventZPublicKeyZ[0];
177 Watch watch = Watch.new_impl(watch_impl);
178 must_free_objs.add(new WeakReference<>(watch_impl));
179 must_free_objs.add(new WeakReference<>(watch));
183 UserConfig get_config() {
184 ChannelHandshakeConfig channel_config = ChannelHandshakeConfig.with_default();
185 channel_config.set_announced_channel(true);
186 UserConfig config = UserConfig.with_default();
187 config.set_channel_handshake_config(channel_config);
191 NioPeerHandler nio_peer_handler;
195 final FeeEstimator fee_estimator;
196 final BroadcasterInterface tx_broadcaster;
197 final KeysManager explicit_keys_manager;
198 final KeysInterface keys_interface;
199 final ChainMonitor chain_monitor;
201 P2PGossipSync route_handler;
202 final Watch chain_watch;
203 final HashSet<String> filter_additions;
204 Option_FilterZ filter;
205 ChannelManager chan_manager;
206 PeerManager peer_manager;
207 final HashMap<String, ChannelMonitor> monitors; // Wow I forgot just how terrible Java is - we can't put a byte array here.
209 byte[] connected_peer_node_id = null;
210 final LinkedList<byte[]> broadcast_set = new LinkedList<>();
211 final LinkedList<Event> pending_manager_events = new LinkedList<>();
212 private final CustomMessageHandler custom_message_handler;
213 final LinkedList<byte[]> received_custom_messages = new LinkedList<>();
214 final LinkedList<byte[]> custom_messages_to_send = new LinkedList<>();
215 ChannelManagerConstructor constructor = null;
216 InvoicePayer payer = null;
217 GcCheck obj = new GcCheck();
219 private ChannelMonitor test_mon_roundtrip(OutPoint expected_id, byte[] data) {
220 // Because get_funding_txo() returns an OutPoint in a tuple that is a reference to an OutPoint inside the
221 // ChannelMonitor, its a good test to ensure that the OutPoint isn't freed (or is cloned) before the
222 // ChannelMonitor is. This used to be broken.
223 Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ roundtrip_monitor = UtilMethods.C2Tuple_BlockHashChannelMonitorZ_read(data, keys_interface);
224 assert roundtrip_monitor instanceof Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK;
225 must_free_objs.add(new WeakReference<>(roundtrip_monitor));
226 TwoTuple_OutPointScriptZ funding_txo = ((Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK) roundtrip_monitor).res.get_b().get_funding_txo();
227 must_free_objs.add(new WeakReference<>(funding_txo));
228 System.gc(); System.runFinalization(); // Give the GC a chance to run.
229 assert Arrays.equals(funding_txo.get_a().get_txid(), expected_id.get_txid());
230 assert funding_txo.get_a().get_index() == expected_id.get_index();
231 Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ roundtrip_two = UtilMethods.C2Tuple_BlockHashChannelMonitorZ_read(data, keys_interface);
232 assert roundtrip_two instanceof Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK;
233 must_free_objs.add(new WeakReference<>(((Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK) roundtrip_two).res.get_b()));
234 must_free_objs.add(new WeakReference<>(((Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK) roundtrip_two).res));
235 must_free_objs.add(new WeakReference<>(roundtrip_two));
236 return ((Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK) roundtrip_two).res.get_b();
239 private Peer(Object _dummy, byte seed) {
240 logger = Logger.new_impl((org.ldk.structs.Record arg)->{
241 if (arg.get_level() == Level.LDKLevel_Error)
242 System.err.println(seed + ": " + arg.get_module_path() + " - " + arg.get_args());
244 System.out.println(seed + ": " + arg.get_module_path() + " - " + arg.get_args());
246 fee_estimator = FeeEstimator.new_impl((confirmation_target -> 253));
247 tx_broadcaster = BroadcasterInterface.new_impl(tx -> {
248 synchronized (broadcast_set) {
249 broadcast_set.add(tx);
250 broadcast_set.notifyAll();
253 monitors = new HashMap<>();
255 Persist persister = Persist.new_impl(new Persist.PersistInterface() {
257 public ChannelMonitorUpdateStatus persist_new_channel(OutPoint id, ChannelMonitor data, MonitorUpdateId update_id) {
258 synchronized (monitors) {
259 String key = Arrays.toString(id.to_channel_id());
260 ChannelMonitor res = test_mon_roundtrip(id, data.write());
261 assert monitors.put(key, res) == null;
263 return ChannelMonitorUpdateStatus.LDKChannelMonitorUpdateStatus_Completed;
267 public ChannelMonitorUpdateStatus update_persisted_channel(OutPoint id, ChannelMonitorUpdate update, ChannelMonitor data, MonitorUpdateId update_id) {
268 synchronized (monitors) {
269 String key = Arrays.toString(id.to_channel_id());
270 ChannelMonitor res = test_mon_roundtrip(id, data.write());
271 // Note that we use a serialization-roundtrip copy of data here, not the original, as this can
272 // expose the JVM JIT bug where it finalize()s things still being called.
273 assert monitors.put(key, res) != null;
275 return ChannelMonitorUpdateStatus.LDKChannelMonitorUpdateStatus_Completed;
279 filter_additions = new HashSet<>();
281 this.filter = Option_FilterZ.some(Filter.new_impl(new Filter.FilterInterface() {
282 @Override public void register_tx(byte[] txid, byte[] script_pubkey) {
283 filter_additions.add(Arrays.toString(txid));
285 @Override public void register_output(WatchedOutput output) {
286 filter_additions.add(Arrays.toString(output.get_outpoint().get_txid()) + ":" + output.get_outpoint().get_index());
290 this.filter = Option_FilterZ.none();
293 if (use_manual_watch) {
294 chain_watch = get_manual_watch();
295 chain_monitor = null;
297 chain_monitor = ChainMonitor.of(filter, tx_broadcaster, logger, fee_estimator, persister);
298 chain_watch = chain_monitor.as_Watch();
301 byte[] key_seed = new byte[32];
302 for (byte i = 0; i < 32; i++) {
303 key_seed[i] = (byte) (i ^ seed);
305 KeysManager keys = KeysManager.of(key_seed, System.currentTimeMillis() / 1000, (int) (System.currentTimeMillis() * 1000));
306 if (use_km_wrapper) {
307 this.keys_interface = manual_keysif(keys.as_KeysInterface());
308 this.explicit_keys_manager = null;
310 this.keys_interface = keys.as_KeysInterface();
311 this.explicit_keys_manager = keys;
314 this.custom_message_handler = CustomMessageHandler.new_impl(new CustomMessageHandler.CustomMessageHandlerInterface() {
316 public Result_NoneLightningErrorZ handle_custom_message(Type msg, byte[] sender_node_id) {
317 synchronized (received_custom_messages) {
318 received_custom_messages.add(msg.write());
319 received_custom_messages.notifyAll();
321 return Result_NoneLightningErrorZ.ok();
325 public TwoTuple_PublicKeyTypeZ[] get_and_clear_pending_msg() {
327 synchronized (custom_messages_to_send) {
328 bytes = custom_messages_to_send.toArray(new byte[0][0]);
329 custom_messages_to_send.clear();
331 TwoTuple_PublicKeyTypeZ[] ret = new TwoTuple_PublicKeyTypeZ[bytes.length];
332 for (int i = 0; i < bytes.length; i++) {
333 final int msg_idx = i;
334 ret[i] = TwoTuple_PublicKeyTypeZ.of(connected_peer_node_id, Type.new_impl(new Type.TypeInterface() {
335 @Override public short type_id() { return 4096; }
336 @Override public String debug_str() { return "Custom Java Message"; }
337 @Override public byte[] write() { return bytes[msg_idx]; }
342 }, (message_type, buffer) -> {
343 assert message_type == 4096;
344 return Result_COption_TypeZDecodeErrorZ.ok(Option_TypeZ.some(Type.new_impl(new Type.TypeInterface() {
345 @Override public short type_id() { return 4096; }
346 @Override public String debug_str() { return "Custom Java-Decoded Message"; }
347 @Override public byte[] write() { return buffer; }
351 private void bind_nio() {
352 if (!use_nio_peer_handler) return;
353 if (use_chan_manager_constructor) {
354 this.nio_peer_handler = this.constructor.nio_peer_handler;
356 try { this.nio_peer_handler = new NioPeerHandler(peer_manager); } catch (IOException e) { assert false; }
358 for (short i = 10_000; true; i++) {
360 nio_peer_handler.bind_listener(new InetSocketAddress("127.0.0.1", i));
363 } catch (IOException e) { assert i < 10_500; }
366 private void setup_route_handler() {
367 this.route_handler = P2PGossipSync.of(this.router,
368 Option_AccessZ.some(Access.new_impl((genesis_hash, short_channel_id) -> Result_TxOutAccessErrorZ.ok(gossip_txout))), this.logger);
372 this.router = NetworkGraph.of(new byte[32], this.logger);
373 this.setup_route_handler();
375 if (use_chan_manager_constructor) {
376 if (use_ignore_handler) {
377 this.constructor = new ChannelManagerConstructor(Network.LDKNetwork_Bitcoin, get_config(), new byte[32], 0,
378 this.keys_interface, this.fee_estimator, this.chain_monitor, null, this.tx_broadcaster, this.logger);
380 this.constructor = new ChannelManagerConstructor(Network.LDKNetwork_Bitcoin, get_config(), new byte[32], 0,
381 this.keys_interface, this.fee_estimator, this.chain_monitor, this.router, this.tx_broadcaster, this.logger);
383 ProbabilisticScoringParameters params = ProbabilisticScoringParameters.with_default();
384 ProbabilisticScorer default_scorer = ProbabilisticScorer.of(params, this.router, this.logger);
385 Result_ProbabilisticScorerDecodeErrorZ score_res = ProbabilisticScorer.read(default_scorer.write(), params, this.router, this.logger);
386 assert score_res.is_ok();
387 Score score = ((Result_ProbabilisticScorerDecodeErrorZ.Result_ProbabilisticScorerDecodeErrorZ_OK) score_res).res.as_Score();
388 MultiThreadedLockableScore scorer = null;
389 if (use_invoice_payer) { scorer = MultiThreadedLockableScore.of(score); }
390 constructor.chain_sync_completed(new ChannelManagerConstructor.EventHandler() {
391 @Override public void handle_event(Event event) {
392 synchronized (pending_manager_events) {
393 pending_manager_events.add(event);
394 pending_manager_events.notifyAll();
397 @Override public void persist_manager(byte[] channel_manager_bytes) { assert channel_manager_bytes.length > 1; }
398 @Override public void persist_network_graph(byte[] graph_bytes) { assert graph_bytes.length > 1; }
399 @Override public void persist_scorer(byte[] scorer_bytes) { assert scorer_bytes.length > 1; }
401 this.chan_manager = constructor.channel_manager;
402 this.peer_manager = constructor.peer_manager;
403 this.payer = constructor.payer;
404 must_free_objs.add(new WeakReference<>(this.chan_manager));
406 ChainParameters params = ChainParameters.of(Network.LDKNetwork_Bitcoin, BestBlock.of(new byte[32], 0));
407 this.chan_manager = ChannelManager.of(this.fee_estimator, chain_watch, tx_broadcaster, logger, this.keys_interface, get_config(), params);
408 byte[] random_data = keys_interface.get_secure_random_bytes();
409 Result_SecretKeyNoneZ node_secret = keys_interface.get_node_secret(Recipient.LDKRecipient_Node);
410 assert node_secret.is_ok();
411 this.peer_manager = PeerManager.of(chan_manager.as_ChannelMessageHandler(), route_handler.as_RoutingMessageHandler(),
412 IgnoringMessageHandler.of().as_OnionMessageHandler(),
413 ((Result_SecretKeyNoneZ.Result_SecretKeyNoneZ_OK)node_secret).res, (int)(System.currentTimeMillis() / 1000),
414 random_data, logger, this.custom_message_handler);
415 if (use_invoice_payer) {
416 this.payer = InvoicePayer.of(this.chan_manager.as_Payer(), Router.new_impl(new Router.RouterInterface() {
417 @Override public void notify_payment_path_failed(RouteHop[] path, long short_channel_id) {}
418 @Override public void notify_payment_path_successful(RouteHop[] path) {}
419 @Override public void notify_payment_probe_successful(RouteHop[] path) {}
420 @Override public void notify_payment_probe_failed(RouteHop[] path, long short_channel_id) {}
423 public Result_RouteLightningErrorZ find_route_with_id(byte[] payer, RouteParameters route_params, ChannelDetails[] first_hops, InFlightHtlcs inflight_htlcs, byte[] _payment_hash, byte[] _payment_id) {
424 return find_route(payer, route_params, first_hops, inflight_htlcs);
428 public Result_RouteLightningErrorZ find_route(byte[] payer, RouteParameters params, ChannelDetails[] first_hops, InFlightHtlcs inflight_htlcs) {
430 try (ReadOnlyNetworkGraph graph = router.read_only()) {
431 assert graph.channel(424242) == null;
432 long[] channels = graph.list_channels();
433 if (channels.length != 1) {
434 // If we're using a NioPeerHandler, the handling of announcement signatures and
435 // channel broadcasting may be done async, so just wait until the channel shows up.
436 assert use_nio_peer_handler;
439 ChannelInfo chan = graph.channel(channels[0]);
440 assert Arrays.equals(chan.get_node_one().as_slice(), chan.get_node_one().write());
441 assert Arrays.equals(chan.get_node_one().as_slice(), chan_manager.get_our_node_id()) ||
442 Arrays.equals(chan.get_node_two().as_slice(), chan_manager.get_our_node_id());
446 return UtilMethods.find_route(payer, params, router, first_hops, logger, Score.new_impl(new Score.ScoreInterface() {
447 @Override public void payment_path_failed(RouteHop[] path, long scid) {}
448 @Override public long channel_penalty_msat(long short_channel_id, NodeId source, NodeId target, ChannelUsage usage) { return 0; }
449 @Override public void payment_path_successful(RouteHop[] path) {}
450 @Override public void probe_failed(RouteHop[] path, long short_channel_id) { assert false; }
451 @Override public void probe_successful(RouteHop[] path) { assert false; }
452 @Override public byte[] write() { assert false; return null; }
455 }), logger, EventHandler.new_impl(new EventHandler.EventHandlerInterface() {
456 @Override public void handle_event(Event event) {
457 synchronized (pending_manager_events) {
458 pending_manager_events.add(event);
459 pending_manager_events.notifyAll();
462 }), Retry.attempts(0));
466 this.node_id = chan_manager.get_our_node_id();
474 this(null, orig.seed);
475 if (use_chan_manager_constructor) {
476 byte[][] monitors = {orig.monitors.values().stream().iterator().next().write()};
477 byte[] serialized = orig.chan_manager.write();
478 byte[] serialized_router = orig.router.write();
480 Filter filter_nullable = null;
481 if (this.filter instanceof Option_FilterZ.Some) {
482 filter_nullable = ((Option_FilterZ.Some) this.filter).some;
484 if (use_ignore_handler) {
485 this.constructor = new ChannelManagerConstructor(serialized, monitors, get_config(),
486 this.keys_interface, this.fee_estimator, this.chain_monitor, filter_nullable,
487 null, this.tx_broadcaster, this.logger);
489 this.constructor = new ChannelManagerConstructor(serialized, monitors, get_config(),
490 this.keys_interface, this.fee_estimator, this.chain_monitor, filter_nullable,
491 serialized_router, this.tx_broadcaster, this.logger);
493 // Test that ChannelManagerConstructor correctly rejects duplicate ChannelMonitors
494 byte[][] monitors_dupd = new byte[2][];
495 monitors_dupd[0] = monitors[0];
496 monitors_dupd[1] = monitors[0];
497 ChannelManagerConstructor constr = this.constructor = new ChannelManagerConstructor(serialized, monitors_dupd, get_config(),
498 this.keys_interface, this.fee_estimator, this.chain_monitor, filter_nullable,
499 null, this.tx_broadcaster, this.logger);
501 } catch (ChannelManagerConstructor.InvalidSerializedDataException e) {}
503 this.router = this.constructor.net_graph;
504 setup_route_handler();
505 MultiThreadedLockableScore scorer = null;
506 if (use_invoice_payer) { scorer = MultiThreadedLockableScore.of(ProbabilisticScorer.of(ProbabilisticScoringParameters.with_default(), this.router, this.logger).as_Score()); }
507 constructor.chain_sync_completed(new ChannelManagerConstructor.EventHandler() {
508 @Override public void handle_event(Event event) {
509 synchronized (pending_manager_events) {
510 pending_manager_events.add(event);
511 pending_manager_events.notifyAll();
514 @Override public void persist_manager(byte[] channel_manager_bytes) { assert channel_manager_bytes.length > 1; }
515 @Override public void persist_network_graph(byte[] graph_bytes) { assert graph_bytes.length > 1; }
516 @Override public void persist_scorer(byte[] scorer_bytes) { assert scorer_bytes.length > 1; }
518 this.chan_manager = constructor.channel_manager;
519 this.payer = constructor.payer;
520 this.peer_manager = constructor.peer_manager;
521 must_free_objs.add(new WeakReference<>(this.chan_manager));
522 // If we are using a ChannelManagerConstructor, we may have pending events waiting on the old peer
523 // which have been removed from the ChannelManager but which we still need to handle.
524 this.pending_manager_events.addAll(orig.pending_manager_events);
525 if (!this.pending_manager_events.isEmpty()) {
526 // However, this implies cross_reload_ref_pollution
527 cross_reload_ref_pollution = true;
529 } catch (ChannelManagerConstructor.InvalidSerializedDataException e) {
533 this.router = NetworkGraph.of(new byte[32], this.logger);
534 this.setup_route_handler();
535 ChannelMonitor[] monitors = new ChannelMonitor[1];
536 assert orig.monitors.size() == 1;
537 if (!break_cross_peer_refs) {
538 monitors[0] = orig.monitors.values().stream().iterator().next();
540 byte[] serialized = orig.monitors.values().stream().iterator().next().write();
541 Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ res =
542 UtilMethods.C2Tuple_BlockHashChannelMonitorZ_read(serialized, this.keys_interface);
543 assert res instanceof Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK;
544 monitors[0] = ((Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK) res).res.get_b();
546 byte[] serialized = orig.chan_manager.write();
547 Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ read_res =
548 UtilMethods.C2Tuple_BlockHashChannelManagerZ_read(serialized, this.keys_interface, this.fee_estimator, this.chain_watch, this.tx_broadcaster, this.logger, get_config(), monitors);
549 assert read_res instanceof Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_OK;
550 this.chan_manager = ((Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_OK) read_res).res.get_b();
551 this.chain_watch.watch_channel(monitors[0].get_funding_txo().get_a(), monitors[0]);
552 byte[] random_data = keys_interface.get_secure_random_bytes();
553 Result_SecretKeyNoneZ node_secret = keys_interface.get_node_secret(Recipient.LDKRecipient_Node);
554 assert node_secret.is_ok();
555 this.peer_manager = PeerManager.of(chan_manager.as_ChannelMessageHandler(), route_handler.as_RoutingMessageHandler(),
556 IgnoringMessageHandler.of().as_OnionMessageHandler(),
557 ((Result_SecretKeyNoneZ.Result_SecretKeyNoneZ_OK)node_secret).res, (int)(System.currentTimeMillis() / 1000),
558 random_data, logger, this.custom_message_handler);
559 if (!break_cross_peer_refs && (use_manual_watch || use_km_wrapper)) {
560 // When we pass monitors[0] into chain_watch.watch_channel we create a reference from the new Peer to a
561 // field in the old peer, preventing freeing of the original Peer until the new Peer is freed. Thus, we
562 // shouldn't bother waiting for the original to be freed later on.
563 cross_reload_ref_pollution = true;
565 if (use_invoice_payer) {
566 this.payer = InvoicePayer.of(this.chan_manager.as_Payer(), Router.new_impl(new Router.RouterInterface() {
567 @Override public void notify_payment_path_failed(RouteHop[] path, long short_channel_id) {}
568 @Override public void notify_payment_path_successful(RouteHop[] path) {}
569 @Override public void notify_payment_probe_successful(RouteHop[] path) {}
570 @Override public void notify_payment_probe_failed(RouteHop[] path, long short_channel_id) {}
573 public Result_RouteLightningErrorZ find_route_with_id(byte[] payer, RouteParameters route_params, ChannelDetails[] first_hops, InFlightHtlcs inflight_htlcs, byte[] _payment_hash, byte[] _payment_id) {
574 return find_route(payer, route_params, first_hops, inflight_htlcs);
578 public Result_RouteLightningErrorZ find_route(byte[] payer, RouteParameters route_params, ChannelDetails[] first_hops, InFlightHtlcs inflight_htlcs) {
579 return UtilMethods.find_route(payer, route_params, router, first_hops, logger, Score.new_impl(new Score.ScoreInterface() {
580 @Override public long channel_penalty_msat(long short_channel_id, NodeId source, NodeId target, ChannelUsage usage) { return 0; }
581 @Override public void payment_path_failed(RouteHop[] path, long scid) {}
582 @Override public void payment_path_successful(RouteHop[] path) {}
583 @Override public void probe_failed(RouteHop[] path, long short_channel_id) { assert false; }
584 @Override public void probe_successful(RouteHop[] path) { assert false; }
585 @Override public byte[] write() { assert false; return null; }
588 }), logger, EventHandler.new_impl(new EventHandler.EventHandlerInterface() {
589 @Override public void handle_event(Event event) {
590 synchronized (pending_manager_events) {
591 pending_manager_events.add(event);
592 pending_manager_events.notifyAll();
595 }), Retry.attempts(0));
598 this.node_id = chan_manager.get_our_node_id();
601 if (cross_reload_ref_pollution) {
602 // This really, really needs to be handled at the bindings layer, but its rather complicated -
603 // ChannelSigners can be cloned and passed around without java being involved, resulting in them being
604 // owned by both one or more ChannelMonitors and a ChannelManager, with only one having proper pointers
605 // to the ChannelSigner. Ideally, the ChannelSigner would have a global reference to the Java
606 // implementation class, but that results in circular references. Instead, we need some ability to,
607 // while cloning ChannelSigners, add new references in the calling Java struct (ie ChannelMonitor) to
608 // the ChannelSigner.
609 this.ptr_to = orig.chan_manager;
614 TwoTuple_TxidCVec_C2Tuple_u32TxOutZZZ[] connect_block(Block b, int height, long expected_monitor_update_len) {
615 byte[] header = Arrays.copyOfRange(b.bitcoinSerialize(), 0, 80);
616 TwoTuple_usizeTransactionZ[] txn;
617 if (b.hasTransactions()) {
618 assert b.getTransactions().size() == 1;
619 TwoTuple_usizeTransactionZ txp = TwoTuple_usizeTransactionZ.of((long) 0, b.getTransactions().get(0).bitcoinSerialize());
620 txn = new TwoTuple_usizeTransactionZ[]{txp};
622 txn = new TwoTuple_usizeTransactionZ[0];
623 if (chain_monitor != null) {
624 chan_manager.as_Listen().block_connected(b.bitcoinSerialize(), height);
625 chain_monitor.as_Listen().block_connected(b.bitcoinSerialize(), height);
627 chan_manager.as_Confirm().transactions_confirmed(header, txn, height);
628 chan_manager.as_Confirm().best_block_updated(header, height);
629 // Connect manually if we aren't using a ChainMonitor and are implementing Watch ourselves
630 synchronized (monitors) {
631 assert monitors.size() == 1;
632 for (ChannelMonitor mon : monitors.values()) {
633 TwoTuple_TxidCVec_C2Tuple_u32TxOutZZZ[] ret = mon.block_connected(header, txn, height, tx_broadcaster, fee_estimator, logger);
634 assert ret.length == expected_monitor_update_len;
642 Event[] get_monitor_events(int expected_len) {
643 if (use_chan_manager_constructor) {
645 synchronized (this.pending_manager_events) {
646 if (expected_len != 0 && this.pending_manager_events.size() == expected_len) {
650 if (expected_len == 0) {
651 try { Thread.sleep(500); } catch (InterruptedException e) { assert false; }
657 synchronized (this.pending_manager_events) {
658 Event[] res = this.pending_manager_events.toArray(new Event[0]);
659 this.pending_manager_events.clear();
660 assert res.length == expected_len;
663 } else if (chain_monitor != null) {
664 ArrayList<Event> l = new ArrayList<Event>();
665 chain_monitor.as_EventsProvider().process_pending_events(EventHandler.new_impl(l::add));
666 assert l.size() == expected_len;
667 return l.toArray(new Event[0]);
669 synchronized (monitors) {
670 assert monitors.size() == 1;
671 for (ChannelMonitor mon : monitors.values()) {
672 Event[] res = mon.get_and_clear_pending_events();
673 assert res.length == expected_len;
681 Event[] get_manager_events(int expected_len, Peer peer1, Peer peer2) {
682 assert expected_len != 0;
683 if (!use_nio_peer_handler) {
684 maybe_exchange_peer_messages(peer1, peer2);
686 Event[] res = new Event[0];
687 if (use_chan_manager_constructor) {
688 while (res.length < expected_len) {
689 synchronized (this.pending_manager_events) {
690 if (this.pending_manager_events.size() >= expected_len) {
691 res = this.pending_manager_events.toArray(res);
692 assert res.length == expected_len;
693 this.pending_manager_events.clear();
695 if (res.length < expected_len) {
696 try { this.pending_manager_events.wait(); } catch (InterruptedException e) { assert false; }
701 ArrayList<Event> l = new ArrayList<Event>();
702 while (l.size() < expected_len) {
704 if (use_nio_peer_handler) {
705 peer1.nio_peer_handler.check_events();
706 peer2.nio_peer_handler.check_events();
708 chan_manager.as_EventsProvider().process_pending_events(EventHandler.new_impl(l::add));
710 return l.toArray(new Event[0]);
712 assert res.length == expected_len;
717 static class DescriptorHolder { SocketDescriptor val; }
719 boolean running = false;
720 final LinkedList<Runnable> runqueue = new LinkedList();
722 Thread t = new Thread(() -> {
726 synchronized (runqueue) {
727 while (runqueue.isEmpty()) {
731 r = runqueue.pollFirst();
734 synchronized (runqueue) {
736 runqueue.notifyAll();
738 } catch (InterruptedException e) {
744 void maybe_exchange_peer_messages(Peer peer1, Peer peer2) {
745 if (!use_nio_peer_handler) {
747 peer1.peer_manager.process_events();
748 peer2.peer_manager.process_events();
749 synchronized (runqueue) {
750 if (runqueue.isEmpty() && !running) {
756 try { runqueue.wait(); } catch (InterruptedException e) { assert false; }
759 } else if (!use_chan_manager_constructor) {
760 peer1.nio_peer_handler.check_events();
761 peer2.nio_peer_handler.check_events();
764 void do_read_event(PeerManager pm, SocketDescriptor descriptor, byte[] data) {
765 if (!t.isAlive()) t.start();
766 synchronized (runqueue) {
769 Result_boolPeerHandleErrorZ res = pm.read_event(descriptor, data);
770 assert res instanceof Result_boolPeerHandleErrorZ.Result_boolPeerHandleErrorZ_OK;
772 runqueue.notifyAll();
774 must_free_objs.add(new WeakReference<>(data));
777 void connect_peers(final Peer peer1, final Peer peer2) {
778 peer2.connected_peer_node_id = peer1.node_id;
779 peer1.connected_peer_node_id = peer2.node_id;
780 if (use_nio_peer_handler) {
782 peer1.nio_peer_handler.connect(peer2.chan_manager.get_our_node_id(), new InetSocketAddress("127.0.0.1", peer2.nio_port), 100);
783 } catch (IOException e) { assert false; }
784 while (peer1.peer_manager.get_peer_node_ids().length == 0 || peer2.peer_manager.get_peer_node_ids().length == 0) {
788 DescriptorHolder descriptor1 = new DescriptorHolder();
789 DescriptorHolder descriptor1ref = descriptor1;
790 SocketDescriptor descriptor2 = SocketDescriptor.new_impl(new SocketDescriptor.SocketDescriptorInterface() {
792 public long send_data(byte[] data, boolean resume_read) {
793 do_read_event(peer1.peer_manager, descriptor1ref.val, data);
797 @Override public void disconnect_socket() { assert false; }
798 @Override public boolean eq(SocketDescriptor other_arg) { return other_arg.hash() == 2; }
799 @Override public long hash() { return 2; }
802 descriptor1.val = SocketDescriptor.new_impl(new SocketDescriptor.SocketDescriptorInterface() {
804 public long send_data(byte[] data, boolean resume_read) {
805 do_read_event(peer2.peer_manager, descriptor2, data);
809 @Override public void disconnect_socket() { assert false; }
810 @Override public boolean eq(SocketDescriptor other_arg) { return other_arg.hash() == 1; }
811 @Override public long hash() { return 1; }
814 Result_CVec_u8ZPeerHandleErrorZ conn_res = peer1.peer_manager.new_outbound_connection(peer2.node_id, descriptor1.val, Option_NetAddressZ.none());
815 assert conn_res instanceof Result_CVec_u8ZPeerHandleErrorZ.Result_CVec_u8ZPeerHandleErrorZ_OK;
817 Result_NonePeerHandleErrorZ inbound_conn_res = peer2.peer_manager.new_inbound_connection(descriptor2, Option_NetAddressZ.none());
818 assert inbound_conn_res instanceof Result_NonePeerHandleErrorZ.Result_NonePeerHandleErrorZ_OK;
819 do_read_event(peer2.peer_manager, descriptor2, ((Result_CVec_u8ZPeerHandleErrorZ.Result_CVec_u8ZPeerHandleErrorZ_OK) conn_res).res);
821 maybe_exchange_peer_messages(peer1, peer2);
825 TestState do_test_message_handler() throws InterruptedException {
826 Peer peer1 = new Peer((byte) 1);
827 Peer peer2 = new Peer((byte) 2);
829 connect_peers(peer1, peer2);
831 UInt128 user_id = new UInt128(new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16});
833 Result__u832APIErrorZ cc_res = peer1.chan_manager.create_channel(peer2.node_id, 100000, 1000, user_id, null);
834 assert cc_res instanceof Result__u832APIErrorZ.Result__u832APIErrorZ_OK;
836 // Previously, this was a SEGFAULT instead of get_funding_txo() returning null.
837 ChannelDetails pre_funding_chan = peer1.chan_manager.list_channels()[0];
838 assert pre_funding_chan.get_funding_txo() == null;
840 Event[] events = peer1.get_manager_events(1, peer1, peer2);
841 assert events[0] instanceof Event.FundingGenerationReady;
842 assert ((Event.FundingGenerationReady) events[0]).channel_value_satoshis == 100000;
843 assert ((Event.FundingGenerationReady) events[0]).user_channel_id.equals(user_id);
844 byte[] funding_spk = ((Event.FundingGenerationReady) events[0]).output_script;
845 assert funding_spk.length == 34 && funding_spk[0] == 0 && funding_spk[1] == 32; // P2WSH
846 byte[] chan_id = ((Event.FundingGenerationReady) events[0]).temporary_channel_id;
848 NetworkParameters bitcoinj_net = NetworkParameters.fromID(NetworkParameters.ID_MAINNET);
850 Transaction funding = new Transaction(bitcoinj_net);
851 funding.addInput(new TransactionInput(bitcoinj_net, funding, new byte[0]));
852 funding.getInputs().get(0).setWitness(new TransactionWitness(2)); // Make sure we don't complain about lack of witness
853 funding.getInput(0).getWitness().setPush(0, new byte[]{0x1});
854 funding.addOutput(Coin.SATOSHI.multiply(100000), new Script(funding_spk));
855 Result_NoneAPIErrorZ funding_res = peer1.chan_manager.funding_transaction_generated(chan_id, peer2.node_id, funding.bitcoinSerialize());
856 assert funding_res instanceof Result_NoneAPIErrorZ.Result_NoneAPIErrorZ_OK;
858 gossip_txout = new TxOut(100000, funding_spk);
860 maybe_exchange_peer_messages(peer1, peer2);
861 synchronized (peer1.broadcast_set) {
862 while (peer1.broadcast_set.size() != 1) {
863 peer1.broadcast_set.wait();
867 assert peer1.broadcast_set.size() == 1;
868 assert Arrays.equals(peer1.broadcast_set.get(0), funding.bitcoinSerialize());
869 peer1.broadcast_set.clear();
871 Block b = new Block(bitcoinj_net, 2, Sha256Hash.ZERO_HASH, Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[]{funding}));
872 peer1.connect_block(b, 1, 0);
873 peer2.connect_block(b, 1, 0);
875 for (int height = 2; height < 10; height++) {
876 b = new Block(bitcoinj_net, 2, b.getHash(), Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[0]));
877 peer1.connect_block(b, height, 0);
878 peer2.connect_block(b, height, 0);
881 maybe_exchange_peer_messages(peer1, peer2);
882 while (peer1.chan_manager.list_usable_channels().length != 1 || peer2.chan_manager.list_usable_channels().length != 1) ;
884 events = peer1.get_manager_events(1, peer1, peer2);
885 assert events[0] instanceof Event.ChannelReady;
887 events = peer2.get_manager_events(1, peer1, peer2);
888 assert events[0] instanceof Event.ChannelReady;
890 ChannelDetails[] peer1_chans = peer1.chan_manager.list_usable_channels();
891 ChannelDetails[] peer2_chans = peer2.chan_manager.list_usable_channels();
892 assert peer1_chans.length == 1;
893 assert peer2_chans.length == 1;
894 assert peer1_chans[0].get_channel_value_satoshis() == 100000;
895 assert peer1_chans[0].get_is_usable();
896 Option_u64Z short_chan_id = peer1_chans[0].get_short_channel_id();
897 assert short_chan_id instanceof Option_u64Z.Some;
898 assert ((Option_u64Z.Some)short_chan_id).some == (1L << 40); // 0th output in the 0th transaction in the 1st block
899 assert Arrays.equals(peer1_chans[0].get_channel_id(), funding.getTxId().getReversedBytes());
900 assert Arrays.equals(peer2_chans[0].get_channel_id(), funding.getTxId().getReversedBytes());
902 Result_InvoiceSignOrCreationErrorZ invoice = UtilMethods.create_invoice_from_channelmanager(peer2.chan_manager, peer2.keys_interface, peer2.logger, Currency.LDKCurrency_Bitcoin, Option_u64Z.some(10000000), "Invoice Description", 7200);
903 assert invoice instanceof Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK;
904 System.out.println("Got invoice: " + ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.to_str());
906 Result_InvoiceParseOrSemanticErrorZ parsed_invoice = Invoice.from_str(((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.to_str());
907 assert parsed_invoice instanceof Result_InvoiceParseOrSemanticErrorZ.Result_InvoiceParseOrSemanticErrorZ_OK;
908 assert Arrays.equals(((Result_InvoiceParseOrSemanticErrorZ.Result_InvoiceParseOrSemanticErrorZ_OK) parsed_invoice).res.payment_hash(), ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.payment_hash());
909 SignedRawInvoice signed_raw = ((Result_InvoiceParseOrSemanticErrorZ.Result_InvoiceParseOrSemanticErrorZ_OK) parsed_invoice).res.into_signed_raw();
910 RawInvoice raw_invoice = signed_raw.raw_invoice();
911 byte[] desc_hash = raw_invoice.signable_hash();
912 Description raw_invoice_description = raw_invoice.description();
913 String description_string = raw_invoice_description.into_inner();
914 assert description_string.equals("Invoice Description");
916 if (!use_invoice_payer) {
917 byte[] payment_hash = ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.payment_hash();
918 byte[] payment_secret = ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.payment_secret();
919 byte[] dest_node_id = ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.recover_payee_pub_key();
920 assert Arrays.equals(dest_node_id, peer2.node_id);
921 InvoiceFeatures invoice_features = ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.features();
922 RouteHint[] route_hints = ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.route_hints();
924 PaymentParameters payee = PaymentParameters.of(peer2.node_id, invoice_features, route_hints, Option_u64Z.none(), 6*24*14, (byte)1, (byte)2, new long[0]);
925 RouteParameters route_params = RouteParameters.of(payee, 10000000, 42);
926 Result_RouteLightningErrorZ route_res = UtilMethods.find_route(
927 peer1.chan_manager.get_our_node_id(), route_params, peer1.router,
928 peer1_chans, peer1.logger, ProbabilisticScorer.of(ProbabilisticScoringParameters.with_default(), peer1.router, peer1.logger).as_Score(), new byte[32]);
929 assert route_res instanceof Result_RouteLightningErrorZ.Result_RouteLightningErrorZ_OK;
930 Route route = ((Result_RouteLightningErrorZ.Result_RouteLightningErrorZ_OK) route_res).res;
931 assert route.get_paths().length == 1;
932 assert route.get_paths()[0].length == 1;
933 assert route.get_paths()[0][0].get_fee_msat() == 10000000;
935 byte[] payment_id = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 };
936 Result_NonePaymentSendFailureZ payment_res = peer1.chan_manager.send_payment(route, payment_hash, payment_secret, payment_id);
937 assert payment_res instanceof Result_NonePaymentSendFailureZ.Result_NonePaymentSendFailureZ_OK;
939 RouteHop[][] hops = new RouteHop[1][1];
940 byte[] hop_pubkey = new byte[33];
943 NodeFeatures node_features = NodeFeatures.empty();
944 ChannelFeatures channel_features = ChannelFeatures.empty();
945 hops[0][0] = RouteHop.of(hop_pubkey, node_features, 42, channel_features, 100, 0);
946 Route r2 = Route.of(hops, payee);
947 payment_res = peer1.chan_manager.send_payment(r2, payment_hash, payment_secret, payment_id);
948 assert payment_res instanceof Result_NonePaymentSendFailureZ.Result_NonePaymentSendFailureZ_Err;
950 Result_PaymentIdPaymentErrorZ send_res = peer1.payer.pay_invoice(((Result_InvoiceParseOrSemanticErrorZ.Result_InvoiceParseOrSemanticErrorZ_OK) parsed_invoice).res);
951 assert send_res instanceof Result_PaymentIdPaymentErrorZ.Result_PaymentIdPaymentErrorZ_OK;
955 if (use_chan_manager_constructor) {
956 peer1.constructor.interrupt();
957 peer2.constructor.interrupt();
958 } else if (use_nio_peer_handler) {
959 peer1.nio_peer_handler.interrupt();
960 peer2.nio_peer_handler.interrupt();
962 WeakReference<Peer> op1 = new WeakReference<Peer>(peer1);
963 peer1 = new Peer(peer1);
964 peer2 = new Peer(peer2);
965 return new TestState(op1, peer1, peer2, b.getHash());
967 return new TestState(null, peer1, peer2, b.getHash());
970 boolean cross_reload_ref_pollution = false;
972 private final WeakReference<Peer> ref_block;
973 private final Peer peer1;
974 private final Peer peer2;
975 public Sha256Hash best_blockhash;
977 public TestState(WeakReference<Peer> ref_block, Peer peer1, Peer peer2, Sha256Hash best_blockhash) {
978 this.ref_block = ref_block;
981 this.best_blockhash = best_blockhash;
984 void do_test_message_handler_b(TestState state) throws InterruptedException {
985 GcCheck obj = new GcCheck();
986 if (state.ref_block != null) {
987 // Ensure the original peers get freed before we move on. Note that we have to be in a different function
988 // scope to do so as the (at least current OpenJDK) JRE won't release anything created in the same scope.
989 while (!cross_reload_ref_pollution && state.ref_block.get() != null) {
991 System.runFinalization();
993 connect_peers(state.peer1, state.peer2);
996 Event[] events = state.peer2.get_manager_events(1, state.peer1, state.peer2);
997 assert events[0] instanceof Event.PendingHTLCsForwardable;
998 state.peer2.chan_manager.process_pending_htlc_forwards();
1000 events = state.peer2.get_manager_events(1, state.peer1, state.peer2);
1001 assert events[0] instanceof Event.PaymentClaimable;
1002 assert ((Event.PaymentClaimable)events[0]).purpose instanceof PaymentPurpose.InvoicePayment;
1003 byte[] payment_preimage = ((PaymentPurpose.InvoicePayment)((Event.PaymentClaimable)events[0]).purpose).payment_preimage;
1004 assert !Arrays.equals(payment_preimage, new byte[32]);
1005 state.peer2.chan_manager.claim_funds(payment_preimage);
1007 events = state.peer2.get_manager_events(1, state.peer1, state.peer2);
1008 assert events[0] instanceof Event.PaymentClaimed;
1009 assert ((Event.PaymentClaimed)events[0]).purpose instanceof PaymentPurpose.InvoicePayment;
1010 payment_preimage = ((PaymentPurpose.InvoicePayment)((Event.PaymentClaimed)events[0]).purpose).payment_preimage;
1011 assert !Arrays.equals(payment_preimage, new byte[32]);
1013 events = state.peer1.get_manager_events(2, state.peer1, state.peer2);
1014 assert events[0] instanceof Event.PaymentSent;
1015 assert Arrays.equals(((Event.PaymentSent) events[0]).payment_preimage, payment_preimage);
1016 assert events[1] instanceof Event.PaymentPathSuccessful;
1017 assert Arrays.equals(((Event.PaymentPathSuccessful) events[1]).payment_hash, ((Event.PaymentSent) events[0]).payment_hash);
1019 if (use_nio_peer_handler) {
1020 // We receive PaymentSent immediately upon receipt of the payment preimage, but we expect to not have an
1021 // HTLC transaction to broadcast below, which requires a bit more time to fully complete the
1022 // commitment-transaction-update dance between both peers.
1026 if (state.peer1.chain_monitor != null) {
1027 Balance[] peer1_balances = state.peer1.chain_monitor.get_claimable_balances(state.peer1.chan_manager.list_channels());
1028 assert peer1_balances.length == 0;
1029 Balance[] peer2_balances = state.peer2.chain_monitor.get_claimable_balances(state.peer2.chan_manager.list_channels());
1030 assert peer2_balances.length == 0;
1033 ChannelDetails[] peer1_chans = state.peer1.chan_manager.list_channels();
1036 Result_NoneAPIErrorZ close_res = state.peer1.chan_manager.close_channel(peer1_chans[0].get_channel_id(), state.peer2.node_id);
1037 assert close_res instanceof Result_NoneAPIErrorZ.Result_NoneAPIErrorZ_OK;
1038 maybe_exchange_peer_messages(state.peer1, state.peer2);
1039 synchronized (state.peer1.broadcast_set) {
1040 while (state.peer1.broadcast_set.size() != 1) state.peer1.broadcast_set.wait();
1042 synchronized (state.peer2.broadcast_set) {
1043 while (state.peer2.broadcast_set.size() != 1) state.peer2.broadcast_set.wait();
1046 state.peer1.chan_manager.force_close_all_channels_broadcasting_latest_txn();
1047 maybe_exchange_peer_messages(state.peer1, state.peer2);
1048 synchronized (state.peer1.broadcast_set) {
1049 while (state.peer1.broadcast_set.size() != 1) state.peer1.broadcast_set.wait();
1051 synchronized (state.peer2.broadcast_set) {
1052 while (state.peer2.broadcast_set.size() != 1) state.peer2.broadcast_set.wait();
1056 assert state.peer1.broadcast_set.size() == 1;
1057 assert state.peer2.broadcast_set.size() == 1;
1059 events = state.peer2.get_manager_events(1, state.peer1, state.peer2);
1060 assert events[0] instanceof Event.ChannelClosed;
1061 events = state.peer1.get_manager_events(1, state.peer1, state.peer2);
1062 assert events[0] instanceof Event.ChannelClosed;
1064 if (state.peer1.chain_monitor != null) {
1065 Balance[] peer1_balances = state.peer1.chain_monitor.get_claimable_balances(state.peer1.chan_manager.list_channels());
1066 assert peer1_balances.length == 1;
1067 for (Balance bal : peer1_balances) {
1068 assert bal instanceof Balance.ClaimableOnChannelClose;
1069 long expected_tx_fee = 183;
1070 assert ((Balance.ClaimableOnChannelClose) bal).claimable_amount_satoshis == 100000 - 1 - 10000 - expected_tx_fee;
1072 Balance[] peer2_balances = state.peer2.chain_monitor.get_claimable_balances(state.peer2.chan_manager.list_channels());
1073 assert peer2_balances.length == 1;
1074 for (Balance bal : peer2_balances) {
1075 assert bal instanceof Balance.ClaimableOnChannelClose;
1076 assert ((Balance.ClaimableOnChannelClose) bal).claimable_amount_satoshis == 10000 + 1;
1081 NetworkParameters bitcoinj_net = NetworkParameters.fromID(NetworkParameters.ID_MAINNET);
1082 Transaction tx = new Transaction(bitcoinj_net, state.peer1.broadcast_set.getFirst());
1083 Block b = new Block(bitcoinj_net, 2, state.best_blockhash, Sha256Hash.ZERO_HASH, 42, 0, 0,
1084 Arrays.asList(new Transaction[]{tx}));
1085 TwoTuple_TxidCVec_C2Tuple_u32TxOutZZZ[] watch_outputs = state.peer2.connect_block(b, 10, 1);
1086 if (watch_outputs != null) { // We only process watch_outputs manually when we use a manually-build Watch impl
1087 assert watch_outputs.length == 1;
1088 assert Arrays.equals(watch_outputs[0].get_a(), tx.getTxId().getReversedBytes());
1089 assert watch_outputs[0].get_b().length == 2;
1090 assert watch_outputs[0].get_b()[0].get_a() == 0;
1091 assert watch_outputs[0].get_b()[1].get_a() == 1;
1094 for (int i = 11; i < 21; i++) {
1095 b = new Block(bitcoinj_net, 2, b.getHash(), Sha256Hash.ZERO_HASH, 42, 0, 0, new ArrayList<>());
1096 state.peer2.connect_block(b, i, 0);
1099 Event[] broadcastable_event = state.peer2.get_monitor_events(1);
1100 for (ChannelMonitor mon : state.peer2.monitors.values()) {
1101 // This used to be buggy and double-free, so go ahead and fetch them!
1102 byte[][] txn = mon.get_latest_holder_commitment_txn(state.peer2.logger);
1104 assert broadcastable_event.length == 1;
1105 assert broadcastable_event[0] instanceof Event.SpendableOutputs;
1106 if (state.peer2.explicit_keys_manager != null) {
1107 TxOut[] additional_outputs = new TxOut[]{new TxOut(420, new byte[]{0x42})};
1108 Result_TransactionNoneZ tx_res = state.peer2.explicit_keys_manager.spend_spendable_outputs(((Event.SpendableOutputs) broadcastable_event[0]).outputs, additional_outputs, new byte[]{0x00}, 253);
1109 assert tx_res instanceof Result_TransactionNoneZ.Result_TransactionNoneZ_OK;
1110 Transaction built_tx = new Transaction(bitcoinj_net, ((Result_TransactionNoneZ.Result_TransactionNoneZ_OK) tx_res).res);
1111 assert built_tx.getOutputs().size() == 2;
1112 assert Arrays.equals(built_tx.getOutput(1).getScriptBytes(), new byte[]{0x00});
1113 assert Arrays.equals(built_tx.getOutput(0).getScriptBytes(), new byte[]{0x42});
1114 assert built_tx.getOutput(0).getValue().value == 420;
1118 // Test exchanging a custom message (note that ChannelManagerConstructor) always loads an IgnorimgMessageHandler
1119 // so we cannot exchange custom messages with it
1120 if (!use_chan_manager_constructor) {
1121 byte[] custom_message_bytes = new byte[]{0x42, 0x44, 0x43, 0x00};
1122 synchronized(state.peer1.custom_messages_to_send) {
1123 state.peer1.custom_messages_to_send.add(custom_message_bytes);
1125 state.peer1.peer_manager.process_events();
1126 synchronized (state.peer2.received_custom_messages) {
1128 if (state.peer2.received_custom_messages.isEmpty()) {
1129 state.peer2.received_custom_messages.wait();
1132 assert state.peer2.received_custom_messages.size() == 1;
1133 assert Arrays.equals(state.peer2.received_custom_messages.get(0), custom_message_bytes);
1139 if (use_nio_peer_handler) {
1140 state.peer1.peer_manager.disconnect_by_node_id(state.peer2.chan_manager.get_our_node_id(), false);
1141 while (state.peer1.peer_manager.get_peer_node_ids().length != 0) Thread.yield();
1142 while (state.peer2.peer_manager.get_peer_node_ids().length != 0) Thread.yield();
1143 state.peer1.nio_peer_handler.interrupt();
1144 state.peer2.nio_peer_handler.interrupt();
1147 state.peer1.get_monitor_events(0);
1148 state.peer2.get_monitor_events(0);
1150 if (use_chan_manager_constructor) {
1151 state.peer1.constructor.interrupt();
1152 state.peer2.constructor.interrupt();
1157 if (state.peer1.router != null)
1158 state.peer1.router.write();
1160 // Construct the only Option_Enum::Variant(OpaqueStruct) we have in the codebase as this used to cause double-frees:
1161 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)0x01,(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,(byte)0xde,(byte)0xad,(byte)0xbe,(byte)0xef,(byte)0x42,(byte)0x42,(byte)0x42,(byte)0x42};
1162 Result_ChannelUpdateDecodeErrorZ upd_msg = ChannelUpdate.read(serd);
1163 assert upd_msg instanceof Result_ChannelUpdateDecodeErrorZ.Result_ChannelUpdateDecodeErrorZ_OK;
1164 assert ((Result_ChannelUpdateDecodeErrorZ.Result_ChannelUpdateDecodeErrorZ_OK) upd_msg).res.get_contents().get_htlc_maximum_msat() == 0xdeadbeef42424242L;
1165 Option_NetworkUpdateZ upd = Option_NetworkUpdateZ.some(NetworkUpdate.channel_update_message(((Result_ChannelUpdateDecodeErrorZ.Result_ChannelUpdateDecodeErrorZ_OK) upd_msg).res));
1168 java.util.LinkedList<WeakReference<Object>> must_free_objs = new java.util.LinkedList();
1170 int gc_exp_count = 0;
1172 GcCheck() { gc_exp_count += 1; }
1174 protected void finalize() throws Throwable {
1180 public class HumanObjectPeerTest {
1181 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 {
1182 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);
1183 HumanObjectPeerTestInstance.TestState state = instance.do_test_message_handler();
1184 instance.do_test_message_handler_b(state);
1187 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 {
1188 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);
1189 while (instance.gc_count != instance.gc_exp_count) {
1191 System.runFinalization();
1193 for (WeakReference<Object> o : instance.must_free_objs)
1194 assert o.get() == null;
1196 public static final int TEST_ITERATIONS = (1 << 9);
1197 public static void do_test_message_handler(IntConsumer statusFunction) throws InterruptedException {
1198 Thread gc_thread = new Thread(() -> {
1201 System.runFinalization();
1202 try { Thread.sleep(0, 1); } catch (InterruptedException e) { break; }
1204 }, "Test GC Thread");
1206 for (int i = 0; i < TEST_ITERATIONS; i++) {
1207 boolean nice_close = (i & (1 << 0)) != 0;
1208 boolean use_km_wrapper = (i & (1 << 1)) != 0;
1209 boolean use_manual_watch = (i & (1 << 2)) != 0;
1210 boolean reload_peers = (i & (1 << 3)) != 0;
1211 boolean break_cross_refs = (i & (1 << 4)) != 0;
1212 boolean use_ignoring_routing_handler = (i & (1 << 5)) != 0;
1213 boolean use_chan_manager_constructor = (i & (1 << 6)) != 0;
1214 boolean use_invoice_payer = (i & (1 << 7)) != 0;
1215 boolean nio_peer_handler = (i & (1 << 8)) != 0;
1216 if (break_cross_refs && !reload_peers) {
1217 // There are no cross refs to break without reloading peers.
1220 if (use_chan_manager_constructor && (use_manual_watch || !nio_peer_handler)) {
1221 // ChannelManagerConstructor requires a ChainMonitor as the Watch and creates a NioPeerHandler for us.
1224 if (!use_chan_manager_constructor && (use_ignoring_routing_handler)) {
1225 // We rely on the ChannelManagerConstructor to convert null into an IgnoringMessageHandler, so don't
1226 // try to run with an IgnoringMessageHandler unless we're also using a ChannelManagerConstructor.
1229 if (use_chan_manager_constructor && use_ignoring_routing_handler && use_invoice_payer) {
1230 // As documented on ChannelManagerConstructor, if we provide a `null` NetworkGraph (because we want to
1231 // use an IgnoringMessageHandler), no InvoicePayer will be constructored for us, thus we cannot use an
1232 // InvoicePayer to send payments in this case.
1235 statusFunction.accept(i);
1236 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);
1238 gc_thread.interrupt();
1242 public void test_message_handler() throws InterruptedException {
1243 do_test_message_handler(i -> System.err.println("Running test with flags " + i));
1246 // This is used in the test jar to test the built jar is runnable
1247 public static void main(String[] args) {
1249 do_test_message_handler(i -> System.err.println("Running test with flags " + i));
1250 } catch (Exception e) {
1251 System.err.println("Caught exception:");
1252 System.err.println(e);