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.AccessError;
9 import org.ldk.enums.Currency;
10 import org.ldk.enums.Level;
11 import org.ldk.enums.Network;
12 import org.ldk.structs.*;
13 import org.ldk.util.TwoTuple;
15 import java.io.IOException;
16 import java.lang.ref.WeakReference;
17 import java.net.InetSocketAddress;
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;
32 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) {
33 this.nice_close = nice_close;
34 this.use_km_wrapper = use_km_wrapper;
35 this.use_manual_watch = use_manual_watch;
36 this.reload_peers = reload_peers;
37 this.break_cross_peer_refs = break_cross_peer_refs;
38 this.use_nio_peer_handler = use_nio_peer_handler;
39 this.use_filter = use_filter;
40 this.use_ignore_handler = use_ignore_handler;
41 this.use_chan_manager_constructor = use_chan_manager_constructor;
42 this.use_invoice_payer = use_invoice_payer;
46 KeysInterface manual_keysif(KeysInterface underlying_if) {
47 return KeysInterface.new_impl(new KeysInterface.KeysInterfaceInterface() {
48 @Override public byte[] get_node_secret() { return underlying_if.get_node_secret(); }
49 @Override public byte[] get_destination_script() { return underlying_if.get_destination_script(); }
50 @Override public ShutdownScript get_shutdown_scriptpubkey() { return underlying_if.get_shutdown_scriptpubkey(); }
53 public Sign get_channel_signer(boolean inbound, long channel_value_satoshis) {
54 Sign underlying_ck = underlying_if.get_channel_signer(inbound, channel_value_satoshis);
55 BaseSign underlying_base = underlying_ck.get_base_sign();
56 BaseSign.BaseSignInterface bsi = new BaseSign.BaseSignInterface() {
57 @Override public byte[] get_per_commitment_point(long idx) {
58 return underlying_base.get_per_commitment_point(idx);
60 @Override public byte[] release_commitment_secret(long idx) {
61 return underlying_base.release_commitment_secret(idx);
63 @Override public Result_NoneNoneZ validate_holder_commitment(HolderCommitmentTransaction holder_tx) {
64 return underlying_base.validate_holder_commitment(holder_tx);
66 @Override public byte[] channel_keys_id() {
69 @Override public Result_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_counterparty_commitment(CommitmentTransaction commitment_tx) {
70 return underlying_base.sign_counterparty_commitment(commitment_tx);
72 @Override public Result_NoneNoneZ validate_counterparty_revocation(long idx, byte[] secret) {
73 return underlying_base.validate_counterparty_revocation(idx, secret);
75 @Override public Result_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_holder_commitment_and_htlcs(HolderCommitmentTransaction holder_commitment_tx) {
76 return underlying_base.sign_holder_commitment_and_htlcs(holder_commitment_tx);
78 @Override public Result_SignatureNoneZ sign_justice_revoked_output(byte[] justice_tx, long input, long amount, byte[] per_commitment_key) {
79 return underlying_base.sign_justice_revoked_output(justice_tx, input, amount, per_commitment_key);
81 @Override public Result_SignatureNoneZ sign_justice_revoked_htlc(byte[] justice_tx, long input, long amount, byte[] per_commitment_key, HTLCOutputInCommitment htlc) {
82 return underlying_base.sign_justice_revoked_htlc(justice_tx, input, amount, per_commitment_key, htlc);
84 @Override public Result_SignatureNoneZ sign_counterparty_htlc_transaction(byte[] htlc_tx, long input, long amount, byte[] per_commitment_point, HTLCOutputInCommitment htlc) {
85 return underlying_base.sign_counterparty_htlc_transaction(htlc_tx, input, amount, per_commitment_point, htlc);
87 @Override public Result_SignatureNoneZ sign_closing_transaction(ClosingTransaction closing_tx) {
88 return underlying_base.sign_closing_transaction(closing_tx);
90 @Override public Result_SignatureNoneZ sign_channel_announcement(UnsignedChannelAnnouncement msg) {
91 return underlying_base.sign_channel_announcement(msg);
93 @Override public void ready_channel(ChannelTransactionParameters params) {
94 underlying_base.ready_channel(params);
97 Sign.SignInterface si = new Sign.SignInterface() {
99 public byte[] write() {
100 return underlying_ck.write();
103 Sign resp = Sign.new_impl(si, bsi, underlying_base.get_pubkeys());
104 must_free_objs.add(new WeakReference<>(si));
105 must_free_objs.add(new WeakReference<>(bsi));
106 must_free_objs.add(new WeakReference<>(resp));
107 must_free_objs.add(new WeakReference<>(underlying_base));
108 must_free_objs.add(new WeakReference<>(underlying_ck));
113 public byte[] get_secure_random_bytes() {
114 return underlying_if.get_secure_random_bytes();
118 public Result_SignDecodeErrorZ read_chan_signer(byte[] reader) {
119 return underlying_if.read_chan_signer(reader);
123 public Result_RecoverableSignatureNoneZ sign_invoice(byte[] invoice_preimage) {
124 return underlying_if.sign_invoice(invoice_preimage);
128 public byte[] get_inbound_payment_key_material() {
129 return underlying_if.get_inbound_payment_key_material();
134 Watch get_manual_watch() {
135 Watch.WatchInterface watch_impl = new Watch.WatchInterface() {
136 public Result_NoneChannelMonitorUpdateErrZ watch_channel(OutPoint funding_txo, ChannelMonitor monitor) {
137 synchronized (monitors) {
138 assert monitors.put(Arrays.toString(funding_txo.get_txid()), monitor) == null;
140 return Result_NoneChannelMonitorUpdateErrZ.ok();
143 public Result_NoneChannelMonitorUpdateErrZ update_channel(OutPoint funding_txo, ChannelMonitorUpdate update) {
144 synchronized (monitors) {
145 String txid = Arrays.toString(funding_txo.get_txid());
146 assert monitors.containsKey(txid);
147 Result_NoneNoneZ update_res = monitors.get(txid).update_monitor(update, tx_broadcaster, fee_estimator, logger);
148 assert update_res instanceof Result_NoneNoneZ.Result_NoneNoneZ_OK;
150 return Result_NoneChannelMonitorUpdateErrZ.ok();
154 public MonitorEvent[] release_pending_monitor_events() {
155 synchronized (monitors) {
156 assert monitors.size() <= 1;
157 for (ChannelMonitor mon : monitors.values()) {
158 return mon.get_and_clear_pending_monitor_events();
161 return new MonitorEvent[0];
164 Watch watch = Watch.new_impl(watch_impl);
165 must_free_objs.add(new WeakReference<>(watch_impl));
166 must_free_objs.add(new WeakReference<>(watch));
170 NioPeerHandler nio_peer_handler;
174 final FeeEstimator fee_estimator;
175 final BroadcasterInterface tx_broadcaster;
176 final KeysManager explicit_keys_manager;
177 final KeysInterface keys_interface;
178 final ChainMonitor chain_monitor;
179 final NetworkGraph router;
180 NetGraphMsgHandler route_handler;
181 final Watch chain_watch;
182 final HashSet<String> filter_additions;
183 Option_FilterZ filter;
184 ChannelManager chan_manager;
185 PeerManager peer_manager;
186 final HashMap<String, ChannelMonitor> monitors; // Wow I forgot just how terrible Java is - we can't put a byte array here.
188 byte[] connected_peer_node_id = null;
189 final LinkedList<byte[]> broadcast_set = new LinkedList<>();
190 final LinkedList<Event> pending_manager_events = new LinkedList<>();
191 private final CustomMessageHandler custom_message_handler;
192 final LinkedList<byte[]> received_custom_messages = new LinkedList<>();
193 final LinkedList<byte[]> custom_messages_to_send = new LinkedList<>();
194 ChannelManagerConstructor constructor = null;
195 InvoicePayer payer = null;
196 GcCheck obj = new GcCheck();
198 private ChannelMonitor test_mon_roundtrip(OutPoint expected_id, byte[] data) {
199 // Because get_funding_txo() returns an OutPoint in a tuple that is a reference to an OutPoint inside the
200 // ChannelMonitor, its a good test to ensure that the OutPoint isn't freed (or is cloned) before the
201 // ChannelMonitor is. This used to be broken.
202 Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ roundtrip_monitor = UtilMethods.C2Tuple_BlockHashChannelMonitorZ_read(data, keys_interface);
203 assert roundtrip_monitor instanceof Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK;
204 TwoTuple_OutPointScriptZ funding_txo = ((Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK) roundtrip_monitor).res.get_b().get_funding_txo();
205 System.gc(); System.runFinalization(); // Give the GC a chance to run.
206 assert Arrays.equals(funding_txo.get_a().get_txid(), expected_id.get_txid());
207 assert funding_txo.get_a().get_index() == expected_id.get_index();
208 Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ roundtrip_two = UtilMethods.C2Tuple_BlockHashChannelMonitorZ_read(data, keys_interface);
209 assert roundtrip_two instanceof Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK;
210 return ((Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK) roundtrip_two).res.get_b();
213 private Peer(Object _dummy, byte seed) {
214 logger = Logger.new_impl((org.ldk.structs.Record arg)->{
215 if (arg.get_level() == Level.LDKLevel_Error)
216 System.err.println(seed + ": " + arg.get_module_path() + " - " + arg.get_args());
218 System.out.println(seed + ": " + arg.get_module_path() + " - " + arg.get_args());
220 fee_estimator = FeeEstimator.new_impl((confirmation_target -> 253));
221 tx_broadcaster = BroadcasterInterface.new_impl(tx -> {
222 synchronized (broadcast_set) {
223 broadcast_set.add(tx);
224 broadcast_set.notifyAll();
227 monitors = new HashMap<>();
229 Persist persister = Persist.new_impl(new Persist.PersistInterface() {
231 public Result_NoneChannelMonitorUpdateErrZ persist_new_channel(OutPoint id, ChannelMonitor data, MonitorUpdateId update_id) {
232 synchronized (monitors) {
233 String key = Arrays.toString(id.to_channel_id());
234 ChannelMonitor res = test_mon_roundtrip(id, data.write());
235 assert monitors.put(key, res) == null;
237 return Result_NoneChannelMonitorUpdateErrZ.ok();
241 public Result_NoneChannelMonitorUpdateErrZ update_persisted_channel(OutPoint id, ChannelMonitorUpdate update, ChannelMonitor data, MonitorUpdateId update_id) {
242 synchronized (monitors) {
243 String key = Arrays.toString(id.to_channel_id());
244 ChannelMonitor res = test_mon_roundtrip(id, data.write());
245 // Note that we use a serialization-roundtrip copy of data here, not the original, as this can
246 // expose the JVM JIT bug where it finalize()s things still being called.
247 assert monitors.put(key, res) != null;
249 return Result_NoneChannelMonitorUpdateErrZ.ok();
253 filter_additions = new HashSet<>();
255 this.filter = Option_FilterZ.some(Filter.new_impl(new Filter.FilterInterface() {
256 @Override public void register_tx(byte[] txid, byte[] script_pubkey) {
257 filter_additions.add(Arrays.toString(txid));
259 @Override public Option_C2Tuple_usizeTransactionZZ register_output(WatchedOutput output) {
260 filter_additions.add(Arrays.toString(output.get_outpoint().get_txid()) + ":" + output.get_outpoint().get_index());
261 return Option_C2Tuple_usizeTransactionZZ.none();
265 this.filter = Option_FilterZ.none();
268 if (use_manual_watch) {
269 chain_watch = get_manual_watch();
270 chain_monitor = null;
272 chain_monitor = ChainMonitor.of(filter, tx_broadcaster, logger, fee_estimator, persister);
273 chain_watch = chain_monitor.as_Watch();
276 byte[] key_seed = new byte[32];
277 for (byte i = 0; i < 32; i++) {
278 key_seed[i] = (byte) (i ^ seed);
280 KeysManager keys = KeysManager.of(key_seed, System.currentTimeMillis() / 1000, (int) (System.currentTimeMillis() * 1000));
281 if (use_km_wrapper) {
282 this.keys_interface = manual_keysif(keys.as_KeysInterface());
283 this.explicit_keys_manager = null;
285 this.keys_interface = keys.as_KeysInterface();
286 this.explicit_keys_manager = keys;
288 this.router = NetworkGraph.of(new byte[32]);
289 this.route_handler = NetGraphMsgHandler.of(this.router, Option_AccessZ.some(Access.new_impl(new Access.AccessInterface() {
291 public Result_TxOutAccessErrorZ get_utxo(byte[] genesis_hash, long short_channel_id) {
292 // We don't exchange any gossip, so should never actually get called, but providing a Some(Access)
293 // is a good test of our Option<Trait> free'ing, which used to be broken and relies on a dirty hack.
295 return Result_TxOutAccessErrorZ.err(AccessError.LDKAccessError_UnknownTx);
299 this.custom_message_handler = CustomMessageHandler.new_impl(new CustomMessageHandler.CustomMessageHandlerInterface() {
301 public Result_NoneLightningErrorZ handle_custom_message(Type msg, byte[] sender_node_id) {
302 synchronized (received_custom_messages) {
303 received_custom_messages.add(msg.write());
304 received_custom_messages.notifyAll();
306 return Result_NoneLightningErrorZ.ok();
310 public TwoTuple_PublicKeyTypeZ[] get_and_clear_pending_msg() {
312 synchronized (custom_messages_to_send) {
313 bytes = custom_messages_to_send.toArray(new byte[0][0]);
314 custom_messages_to_send.clear();
316 TwoTuple_PublicKeyTypeZ[] ret = new TwoTuple_PublicKeyTypeZ[bytes.length];
317 for (int i = 0; i < bytes.length; i++) {
318 final int msg_idx = i;
319 ret[i] = TwoTuple_PublicKeyTypeZ.of(connected_peer_node_id, Type.new_impl(new Type.TypeInterface() {
320 @Override public short type_id() { return 4096; }
321 @Override public String debug_str() { return "Custom Java Message"; }
322 @Override public byte[] write() { return bytes[msg_idx]; }
327 }, (message_type, buffer) -> {
328 assert message_type == 4096;
329 return Result_COption_TypeZDecodeErrorZ.ok(Option_TypeZ.some(Type.new_impl(new Type.TypeInterface() {
330 @Override public short type_id() { return 4096; }
331 @Override public String debug_str() { return "Custom Java-Decoded Message"; }
332 @Override public byte[] write() { return buffer; }
336 private void bind_nio() {
337 if (!use_nio_peer_handler) return;
338 if (use_chan_manager_constructor) {
339 this.nio_peer_handler = this.constructor.nio_peer_handler;
341 try { this.nio_peer_handler = new NioPeerHandler(peer_manager); } catch (IOException e) { assert false; }
343 for (short i = 10_000; true; i++) {
345 nio_peer_handler.bind_listener(new InetSocketAddress("127.0.0.1", i));
348 } catch (IOException e) { assert i < 10_500; }
353 if (use_chan_manager_constructor) {
354 if (use_ignore_handler) {
355 this.constructor = new ChannelManagerConstructor(Network.LDKNetwork_Bitcoin, UserConfig.with_default(), new byte[32], 0,
356 this.keys_interface, this.fee_estimator, this.chain_monitor, null, this.tx_broadcaster, this.logger);
358 this.constructor = new ChannelManagerConstructor(Network.LDKNetwork_Bitcoin, UserConfig.with_default(), new byte[32], 0,
359 this.keys_interface, this.fee_estimator, this.chain_monitor, this.router, this.tx_broadcaster, this.logger);
361 MultiThreadedLockableScore scorer = null;
362 if (use_invoice_payer) { scorer = MultiThreadedLockableScore.of(Scorer.with_default().as_Score()); }
363 constructor.chain_sync_completed(new ChannelManagerConstructor.EventHandler() {
364 @Override public void handle_event(Event event) {
365 synchronized (pending_manager_events) {
366 pending_manager_events.add(event);
367 pending_manager_events.notifyAll();
370 @Override public void persist_manager(byte[] channel_manager_bytes) { assert channel_manager_bytes.length > 1; }
372 this.chan_manager = constructor.channel_manager;
373 this.peer_manager = constructor.peer_manager;
374 this.payer = constructor.payer;
375 must_free_objs.add(new WeakReference<>(this.chan_manager));
377 ChainParameters params = ChainParameters.of(Network.LDKNetwork_Bitcoin, BestBlock.of(new byte[32], 0));
378 this.chan_manager = ChannelManager.of(this.fee_estimator, chain_watch, tx_broadcaster, logger, this.keys_interface, UserConfig.with_default(), params);
379 byte[] random_data = keys_interface.get_secure_random_bytes();
380 this.peer_manager = PeerManager.of(chan_manager.as_ChannelMessageHandler(), route_handler.as_RoutingMessageHandler(), keys_interface.get_node_secret(), random_data, logger, this.custom_message_handler);
381 if (use_invoice_payer) {
382 this.payer = InvoicePayer.of(this.chan_manager.as_Payer(), Router.new_impl(new Router.RouterInterface() {
384 public Result_RouteLightningErrorZ find_route(byte[] payer, RouteParameters params, byte[] payment_hash, ChannelDetails[] first_hops, Score scorer) {
385 return UtilMethods.find_route(payer, params, router, first_hops, logger, scorer);
387 }), MultiThreadedLockableScore.of(Score.new_impl(new Score.ScoreInterface() {
388 @Override public void payment_path_failed(RouteHop[] path, long scid) {}
389 @Override public long channel_penalty_msat(long short_channel_id, long send_amt_msat, Option_u64Z channel_capacity_msat, NodeId source, NodeId target) { return 0; }
390 @Override public void payment_path_successful(RouteHop[] path) {}
391 @Override public byte[] write() { assert false; return null; }
392 })), logger, EventHandler.new_impl(new EventHandler.EventHandlerInterface() {
393 @Override public void handle_event(Event event) {
394 synchronized (pending_manager_events) {
395 pending_manager_events.add(event);
396 pending_manager_events.notifyAll();
399 }), RetryAttempts.of(0));
403 this.node_id = chan_manager.get_our_node_id();
411 this(null, orig.seed);
412 if (use_chan_manager_constructor) {
413 byte[][] monitors = {orig.monitors.values().stream().iterator().next().write()};
414 byte[] serialized = orig.chan_manager.write();
416 Filter filter_nullable = null;
417 if (this.filter instanceof Option_FilterZ.Some) {
418 filter_nullable = ((Option_FilterZ.Some) this.filter).some;
420 if (use_ignore_handler) {
421 this.constructor = new ChannelManagerConstructor(serialized, monitors, UserConfig.with_default(),
422 this.keys_interface, this.fee_estimator, this.chain_monitor, filter_nullable,
423 null, this.tx_broadcaster, this.logger);
425 this.constructor = new ChannelManagerConstructor(serialized, monitors, UserConfig.with_default(),
426 this.keys_interface, this.fee_estimator, this.chain_monitor, filter_nullable,
427 this.router, this.tx_broadcaster, this.logger);
429 // Test that ChannelManagerConstructor correctly rejects duplicate ChannelMonitors
430 byte[][] monitors_dupd = new byte[2][];
431 monitors_dupd[0] = monitors[0];
432 monitors_dupd[1] = monitors[0];
433 ChannelManagerConstructor constr = this.constructor = new ChannelManagerConstructor(serialized, monitors_dupd, UserConfig.with_default(),
434 this.keys_interface, this.fee_estimator, this.chain_monitor, filter_nullable,
435 null, this.tx_broadcaster, this.logger);
437 } catch (ChannelManagerConstructor.InvalidSerializedDataException e) {}
439 MultiThreadedLockableScore scorer = null;
440 if (use_invoice_payer) { scorer = MultiThreadedLockableScore.of(Scorer.with_default().as_Score()); }
441 constructor.chain_sync_completed(new ChannelManagerConstructor.EventHandler() {
442 @Override public void handle_event(Event event) {
443 synchronized (pending_manager_events) {
444 pending_manager_events.add(event);
445 pending_manager_events.notifyAll();
448 @Override public void persist_manager(byte[] channel_manager_bytes) { assert channel_manager_bytes.length > 1; }
450 this.chan_manager = constructor.channel_manager;
451 this.payer = constructor.payer;
452 this.peer_manager = constructor.peer_manager;
453 must_free_objs.add(new WeakReference<>(this.chan_manager));
454 // If we are using a ChannelManagerConstructor, we may have pending events waiting on the old peer
455 // which have been removed from the ChannelManager but which we still need to handle.
456 this.pending_manager_events.addAll(orig.pending_manager_events);
457 if (!this.pending_manager_events.isEmpty()) {
458 // However, this implies cross_reload_ref_pollution
459 cross_reload_ref_pollution = true;
461 } catch (ChannelManagerConstructor.InvalidSerializedDataException e) {
465 ChannelMonitor[] monitors = new ChannelMonitor[1];
466 assert orig.monitors.size() == 1;
467 if (!break_cross_peer_refs) {
468 monitors[0] = orig.monitors.values().stream().iterator().next();
470 byte[] serialized = orig.monitors.values().stream().iterator().next().write();
471 Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ res =
472 UtilMethods.C2Tuple_BlockHashChannelMonitorZ_read(serialized, this.keys_interface);
473 assert res instanceof Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK;
474 monitors[0] = ((Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK) res).res.get_b();
476 byte[] serialized = orig.chan_manager.write();
477 Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ read_res =
478 UtilMethods.C2Tuple_BlockHashChannelManagerZ_read(serialized, this.keys_interface, this.fee_estimator, this.chain_watch, this.tx_broadcaster, this.logger, UserConfig.with_default(), monitors);
479 assert read_res instanceof Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_OK;
480 this.chan_manager = ((Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_OK) read_res).res.get_b();
481 this.chain_watch.watch_channel(monitors[0].get_funding_txo().get_a(), monitors[0]);
482 byte[] random_data = keys_interface.get_secure_random_bytes();
483 this.peer_manager = PeerManager.of(chan_manager.as_ChannelMessageHandler(), route_handler.as_RoutingMessageHandler(), keys_interface.get_node_secret(), random_data, logger, this.custom_message_handler);
484 if (!break_cross_peer_refs && (use_manual_watch || use_km_wrapper)) {
485 // When we pass monitors[0] into chain_watch.watch_channel we create a reference from the new Peer to a
486 // field in the old peer, preventing freeing of the original Peer until the new Peer is freed. Thus, we
487 // shouldn't bother waiting for the original to be freed later on.
488 cross_reload_ref_pollution = true;
490 if (use_invoice_payer) {
491 this.payer = InvoicePayer.of(this.chan_manager.as_Payer(), Router.new_impl(new Router.RouterInterface() {
493 public Result_RouteLightningErrorZ find_route(byte[] payer, RouteParameters params, byte[] _payment_hash, ChannelDetails[] first_hops, Score scorer) {
494 return UtilMethods.find_route(payer, params, router, first_hops, logger, scorer);
496 }), MultiThreadedLockableScore.of(Score.new_impl(new Score.ScoreInterface() {
497 @Override public long channel_penalty_msat(long short_channel_id, long send_amt_msat, Option_u64Z channel_capacity_msat, NodeId source, NodeId target) { return 0; }
498 @Override public void payment_path_failed(RouteHop[] path, long scid) {}
499 @Override public void payment_path_successful(RouteHop[] path) {}
500 @Override public byte[] write() { assert false; return null; }
501 })), logger, EventHandler.new_impl(new EventHandler.EventHandlerInterface() {
502 @Override public void handle_event(Event event) {
503 synchronized (pending_manager_events) {
504 pending_manager_events.add(event);
505 pending_manager_events.notifyAll();
508 }), RetryAttempts.of(0));
511 this.node_id = chan_manager.get_our_node_id();
514 if (cross_reload_ref_pollution) {
515 // This really, really needs to be handled at the bindings layer, but its rather complicated -
516 // ChannelSigners can be cloned and passed around without java being involved, resulting in them being
517 // owned by both one or more ChannelMonitors and a ChannelManager, with only one having proper pointers
518 // to the ChannelSigner. Ideally, the ChannelSigner would have a global reference to the Java
519 // implementation class, but that results in circular references. Instead, we need some ability to,
520 // while cloning ChannelSigners, add new references in the calling Java struct (ie ChannelMonitor) to
521 // the ChannelSigner.
522 this.ptr_to = orig.chan_manager;
527 TwoTuple_TxidCVec_C2Tuple_u32TxOutZZZ[] connect_block(Block b, int height, long expected_monitor_update_len) {
528 byte[] header = Arrays.copyOfRange(b.bitcoinSerialize(), 0, 80);
529 TwoTuple_usizeTransactionZ[] txn;
530 if (b.hasTransactions()) {
531 assert b.getTransactions().size() == 1;
532 TwoTuple_usizeTransactionZ txp = TwoTuple_usizeTransactionZ.of((long) 0, b.getTransactions().get(0).bitcoinSerialize());
533 txn = new TwoTuple_usizeTransactionZ[]{txp};
535 txn = new TwoTuple_usizeTransactionZ[0];
536 if (chain_monitor != null) {
537 chan_manager.as_Listen().block_connected(b.bitcoinSerialize(), height);
538 chain_monitor.as_Listen().block_connected(b.bitcoinSerialize(), height);
540 chan_manager.as_Confirm().transactions_confirmed(header, txn, height);
541 chan_manager.as_Confirm().best_block_updated(header, height);
542 // Connect manually if we aren't using a ChainMonitor and are implementing Watch ourselves
543 synchronized (monitors) {
544 assert monitors.size() == 1;
545 for (ChannelMonitor mon : monitors.values()) {
546 TwoTuple_TxidCVec_C2Tuple_u32TxOutZZZ[] ret = mon.block_connected(header, txn, height, tx_broadcaster, fee_estimator, logger);
547 assert ret.length == expected_monitor_update_len;
555 Event[] get_monitor_events(int expected_len) {
556 if (use_chan_manager_constructor) {
558 synchronized (this.pending_manager_events) {
559 if (expected_len != 0 && this.pending_manager_events.size() == expected_len) {
563 if (expected_len == 0) {
564 try { Thread.sleep(500); } catch (InterruptedException e) { assert false; }
570 synchronized (this.pending_manager_events) {
571 Event[] res = this.pending_manager_events.toArray(new Event[0]);
572 this.pending_manager_events.clear();
573 assert res.length == expected_len;
576 } else if (chain_monitor != null) {
577 ArrayList<Event> l = new ArrayList<Event>();
578 chain_monitor.as_EventsProvider().process_pending_events(EventHandler.new_impl(l::add));
579 assert l.size() == expected_len;
580 return l.toArray(new Event[0]);
582 synchronized (monitors) {
583 assert monitors.size() == 1;
584 for (ChannelMonitor mon : monitors.values()) {
585 Event[] res = mon.get_and_clear_pending_events();
586 assert res.length == expected_len;
594 Event[] get_manager_events(int expected_len, Peer peer1, Peer peer2) {
595 assert expected_len != 0;
596 if (!use_nio_peer_handler) {
597 maybe_exchange_peer_messages(peer1, peer2);
599 Event[] res = new Event[0];
600 if (use_chan_manager_constructor) {
601 while (res.length < expected_len) {
602 synchronized (this.pending_manager_events) {
603 if (this.pending_manager_events.size() >= expected_len) {
604 res = this.pending_manager_events.toArray(res);
605 assert res.length == expected_len;
606 this.pending_manager_events.clear();
608 if (res.length < expected_len) {
609 try { this.pending_manager_events.wait(); } catch (InterruptedException e) { assert false; }
614 ArrayList<Event> l = new ArrayList<Event>();
615 while (l.size() < expected_len) {
617 if (use_nio_peer_handler) {
618 peer1.nio_peer_handler.check_events();
619 peer2.nio_peer_handler.check_events();
621 chan_manager.as_EventsProvider().process_pending_events(EventHandler.new_impl(l::add));
623 return l.toArray(new Event[0]);
625 assert res.length == expected_len;
630 static class DescriptorHolder { SocketDescriptor val; }
632 boolean running = false;
633 final LinkedList<Runnable> runqueue = new LinkedList();
635 Thread t = new Thread(() -> {
639 synchronized (runqueue) {
640 while (runqueue.isEmpty()) {
644 r = runqueue.pollFirst();
647 synchronized (runqueue) {
649 runqueue.notifyAll();
651 } catch (InterruptedException e) {
657 void maybe_exchange_peer_messages(Peer peer1, Peer peer2) {
658 if (!use_nio_peer_handler) {
659 synchronized (runqueue) {
663 peer1.peer_manager.process_events();
664 peer2.peer_manager.process_events();
665 synchronized (runqueue) {
666 if (runqueue.isEmpty() && !running) {
672 try { runqueue.wait(); } catch (InterruptedException e) { assert false; }
675 } else if (!use_chan_manager_constructor) {
676 peer1.nio_peer_handler.check_events();
677 peer2.nio_peer_handler.check_events();
680 void do_read_event(PeerManager pm, SocketDescriptor descriptor, byte[] data) {
681 if (!t.isAlive()) t.start();
682 synchronized (runqueue) {
685 Result_boolPeerHandleErrorZ res = pm.read_event(descriptor, data);
686 assert res instanceof Result_boolPeerHandleErrorZ.Result_boolPeerHandleErrorZ_OK;
688 runqueue.notifyAll();
690 must_free_objs.add(new WeakReference<>(data));
693 void connect_peers(final Peer peer1, final Peer peer2) {
694 peer2.connected_peer_node_id = peer1.node_id;
695 peer1.connected_peer_node_id = peer2.node_id;
696 if (use_nio_peer_handler) {
698 peer1.nio_peer_handler.connect(peer2.chan_manager.get_our_node_id(), new InetSocketAddress("127.0.0.1", peer2.nio_port), 100);
699 } catch (IOException e) { assert false; }
700 while (peer1.peer_manager.get_peer_node_ids().length == 0 || peer2.peer_manager.get_peer_node_ids().length == 0) {
704 DescriptorHolder descriptor1 = new DescriptorHolder();
705 DescriptorHolder descriptor1ref = descriptor1;
706 SocketDescriptor descriptor2 = SocketDescriptor.new_impl(new SocketDescriptor.SocketDescriptorInterface() {
708 public long send_data(byte[] data, boolean resume_read) {
709 do_read_event(peer1.peer_manager, descriptor1ref.val, data);
713 @Override public void disconnect_socket() { assert false; }
714 @Override public boolean eq(SocketDescriptor other_arg) { return other_arg.hash() == 2; }
715 @Override public long hash() { return 2; }
718 descriptor1.val = SocketDescriptor.new_impl(new SocketDescriptor.SocketDescriptorInterface() {
720 public long send_data(byte[] data, boolean resume_read) {
721 do_read_event(peer2.peer_manager, descriptor2, data);
725 @Override public void disconnect_socket() { assert false; }
726 @Override public boolean eq(SocketDescriptor other_arg) { return other_arg.hash() == 1; }
727 @Override public long hash() { return 1; }
730 Result_CVec_u8ZPeerHandleErrorZ conn_res = peer1.peer_manager.new_outbound_connection(peer2.node_id, descriptor1.val);
731 assert conn_res instanceof Result_CVec_u8ZPeerHandleErrorZ.Result_CVec_u8ZPeerHandleErrorZ_OK;
733 Result_NonePeerHandleErrorZ inbound_conn_res = peer2.peer_manager.new_inbound_connection(descriptor2);
734 assert inbound_conn_res instanceof Result_NonePeerHandleErrorZ.Result_NonePeerHandleErrorZ_OK;
735 do_read_event(peer2.peer_manager, descriptor2, ((Result_CVec_u8ZPeerHandleErrorZ.Result_CVec_u8ZPeerHandleErrorZ_OK) conn_res).res);
737 maybe_exchange_peer_messages(peer1, peer2);
741 TestState do_test_message_handler() throws InterruptedException {
742 Peer peer1 = new Peer((byte) 1);
743 Peer peer2 = new Peer((byte) 2);
745 connect_peers(peer1, peer2);
747 Result__u832APIErrorZ cc_res = peer1.chan_manager.create_channel(peer2.node_id, 100000, 1000, 42, null);
748 assert cc_res instanceof Result__u832APIErrorZ.Result__u832APIErrorZ_OK;
750 // Previously, this was a SEGFAULT instead of get_funding_txo() returning null.
751 ChannelDetails pre_funding_chan = peer1.chan_manager.list_channels()[0];
752 assert pre_funding_chan.get_funding_txo() == null;
754 Event[] events = peer1.get_manager_events(1, peer1, peer2);
755 assert events[0] instanceof Event.FundingGenerationReady;
756 assert ((Event.FundingGenerationReady) events[0]).channel_value_satoshis == 100000;
757 assert ((Event.FundingGenerationReady) events[0]).user_channel_id == 42;
758 byte[] funding_spk = ((Event.FundingGenerationReady) events[0]).output_script;
759 assert funding_spk.length == 34 && funding_spk[0] == 0 && funding_spk[1] == 32; // P2WSH
760 byte[] chan_id = ((Event.FundingGenerationReady) events[0]).temporary_channel_id;
762 NetworkParameters bitcoinj_net = NetworkParameters.fromID(NetworkParameters.ID_MAINNET);
764 Transaction funding = new Transaction(bitcoinj_net);
765 funding.addInput(new TransactionInput(bitcoinj_net, funding, new byte[0]));
766 funding.getInputs().get(0).setWitness(new TransactionWitness(2)); // Make sure we don't complain about lack of witness
767 funding.getInput(0).getWitness().setPush(0, new byte[]{0x1});
768 funding.addOutput(Coin.SATOSHI.multiply(100000), new Script(funding_spk));
769 Result_NoneAPIErrorZ funding_res = peer1.chan_manager.funding_transaction_generated(chan_id, funding.bitcoinSerialize());
770 assert funding_res instanceof Result_NoneAPIErrorZ.Result_NoneAPIErrorZ_OK;
772 maybe_exchange_peer_messages(peer1, peer2);
773 synchronized (peer1.broadcast_set) {
774 while (peer1.broadcast_set.size() != 1) {
775 peer1.broadcast_set.wait();
779 assert peer1.broadcast_set.size() == 1;
780 assert Arrays.equals(peer1.broadcast_set.get(0), funding.bitcoinSerialize());
781 peer1.broadcast_set.clear();
783 Block b = new Block(bitcoinj_net, 2, Sha256Hash.ZERO_HASH, Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[]{funding}));
784 peer1.connect_block(b, 1, 0);
785 peer2.connect_block(b, 1, 0);
787 for (int height = 2; height < 10; height++) {
788 b = new Block(bitcoinj_net, 2, b.getHash(), Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[0]));
789 peer1.connect_block(b, height, 0);
790 peer2.connect_block(b, height, 0);
793 maybe_exchange_peer_messages(peer1, peer2);
794 while (peer1.chan_manager.list_usable_channels().length != 1 || peer2.chan_manager.list_usable_channels().length != 1)
796 peer1.chan_manager.list_channels();
797 ChannelDetails[] peer1_chans = peer1.chan_manager.list_usable_channels();
798 ChannelDetails[] peer2_chans = peer2.chan_manager.list_usable_channels();
799 assert peer1_chans.length == 1;
800 assert peer2_chans.length == 1;
801 assert peer1_chans[0].get_channel_value_satoshis() == 100000;
802 assert peer1_chans[0].get_is_usable();
803 Option_u64Z short_chan_id = peer1_chans[0].get_short_channel_id();
804 assert short_chan_id instanceof Option_u64Z.Some;
805 assert ((Option_u64Z.Some)short_chan_id).some == (1L << 40); // 0th output in the 0th transaction in the 1st block
806 assert Arrays.equals(peer1_chans[0].get_channel_id(), funding.getTxId().getReversedBytes());
807 assert Arrays.equals(peer2_chans[0].get_channel_id(), funding.getTxId().getReversedBytes());
809 Result_InvoiceSignOrCreationErrorZ invoice = UtilMethods.create_invoice_from_channelmanager(peer2.chan_manager, peer2.keys_interface, Currency.LDKCurrency_Bitcoin, Option_u64Z.some(10000000), "Invoice Description");
810 assert invoice instanceof Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK;
811 System.out.println("Got invoice: " + ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.to_str());
813 Result_InvoiceNoneZ parsed_invoice = Invoice.from_str(((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.to_str());
814 assert parsed_invoice instanceof Result_InvoiceNoneZ.Result_InvoiceNoneZ_OK;
815 assert Arrays.equals(((Result_InvoiceNoneZ.Result_InvoiceNoneZ_OK) parsed_invoice).res.payment_hash(), ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.payment_hash());
816 SignedRawInvoice signed_raw = ((Result_InvoiceNoneZ.Result_InvoiceNoneZ_OK) parsed_invoice).res.into_signed_raw();
817 RawInvoice raw_invoice = signed_raw.raw_invoice();
818 byte[] desc_hash = raw_invoice.hash();
819 Description raw_invoice_description = raw_invoice.description();
820 String description_string = raw_invoice_description.into_inner();
821 assert description_string.equals("Invoice Description");
823 if (!use_invoice_payer) {
824 byte[] payment_hash = ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.payment_hash();
825 byte[] payment_secret = ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.payment_secret();
826 byte[] dest_node_id = ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.recover_payee_pub_key();
827 assert Arrays.equals(dest_node_id, peer2.node_id);
828 InvoiceFeatures invoice_features = ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.features();
829 RouteHint[] route_hints = ((Result_InvoiceSignOrCreationErrorZ.Result_InvoiceSignOrCreationErrorZ_OK) invoice).res.route_hints();
831 Payee payee = Payee.of(peer2.node_id, invoice_features, route_hints, Option_u64Z.none());
832 RouteParameters route_params = RouteParameters.of(payee, 10000000, 42);
833 Result_RouteLightningErrorZ route_res = UtilMethods.find_route(
834 peer1.chan_manager.get_our_node_id(), route_params, peer1.router,
835 peer1_chans, peer1.logger, Scorer.with_default().as_Score());
836 assert route_res instanceof Result_RouteLightningErrorZ.Result_RouteLightningErrorZ_OK;
837 Route route = ((Result_RouteLightningErrorZ.Result_RouteLightningErrorZ_OK) route_res).res;
838 assert route.get_paths().length == 1;
839 assert route.get_paths()[0].length == 1;
840 assert route.get_paths()[0][0].get_fee_msat() == 10000000;
842 Result_PaymentIdPaymentSendFailureZ payment_res = peer1.chan_manager.send_payment(route, payment_hash, payment_secret);
843 assert payment_res instanceof Result_PaymentIdPaymentSendFailureZ.Result_PaymentIdPaymentSendFailureZ_OK;
845 RouteHop[][] hops = new RouteHop[1][1];
846 byte[] hop_pubkey = new byte[33];
849 hops[0][0] = RouteHop.of(hop_pubkey, NodeFeatures.known(), 42, ChannelFeatures.known(), 100, 0);
850 Route r2 = Route.of(hops, payee);
851 payment_res = peer1.chan_manager.send_payment(r2, payment_hash, payment_secret);
852 assert payment_res instanceof Result_PaymentIdPaymentSendFailureZ.Result_PaymentIdPaymentSendFailureZ_Err;
854 Result_PaymentIdPaymentErrorZ send_res = peer1.payer.pay_invoice(((Result_InvoiceNoneZ.Result_InvoiceNoneZ_OK) parsed_invoice).res);
855 assert send_res instanceof Result_PaymentIdPaymentErrorZ.Result_PaymentIdPaymentErrorZ_OK;
859 if (use_chan_manager_constructor) {
860 peer1.constructor.interrupt();
861 peer2.constructor.interrupt();
862 } else if (use_nio_peer_handler) {
863 peer1.nio_peer_handler.interrupt();
864 peer2.nio_peer_handler.interrupt();
866 WeakReference<Peer> op1 = new WeakReference<Peer>(peer1);
867 peer1 = new Peer(peer1);
868 peer2 = new Peer(peer2);
869 return new TestState(op1, peer1, peer2, b.getHash());
871 return new TestState(null, peer1, peer2, b.getHash());
874 boolean cross_reload_ref_pollution = false;
876 private final WeakReference<Peer> ref_block;
877 private final Peer peer1;
878 private final Peer peer2;
879 public Sha256Hash best_blockhash;
881 public TestState(WeakReference<Peer> ref_block, Peer peer1, Peer peer2, Sha256Hash best_blockhash) {
882 this.ref_block = ref_block;
885 this.best_blockhash = best_blockhash;
888 void do_test_message_handler_b(TestState state) throws InterruptedException {
889 GcCheck obj = new GcCheck();
890 if (state.ref_block != null) {
891 // Ensure the original peers get freed before we move on. Note that we have to be in a different function
892 // scope to do so as the (at least current OpenJDK) JRE won't release anything created in the same scope.
893 while (!cross_reload_ref_pollution && state.ref_block.get() != null) {
895 System.runFinalization();
897 connect_peers(state.peer1, state.peer2);
900 Event[] events = state.peer2.get_manager_events(1, state.peer1, state.peer2);
901 assert events[0] instanceof Event.PendingHTLCsForwardable;
902 state.peer2.chan_manager.process_pending_htlc_forwards();
904 events = state.peer2.get_manager_events(1, state.peer1, state.peer2);
905 assert events[0] instanceof Event.PaymentReceived;
906 assert ((Event.PaymentReceived)events[0]).purpose instanceof PaymentPurpose.InvoicePayment;
907 byte[] payment_preimage = ((PaymentPurpose.InvoicePayment)((Event.PaymentReceived)events[0]).purpose).payment_preimage;
908 assert !Arrays.equals(payment_preimage, new byte[32]);
909 state.peer2.chan_manager.claim_funds(payment_preimage);
911 events = state.peer1.get_manager_events(2, state.peer1, state.peer2);
912 assert events[0] instanceof Event.PaymentSent;
913 assert Arrays.equals(((Event.PaymentSent) events[0]).payment_preimage, payment_preimage);
914 assert events[1] instanceof Event.PaymentPathSuccessful;
915 assert Arrays.equals(((Event.PaymentPathSuccessful) events[1]).payment_hash, ((Event.PaymentSent) events[0]).payment_hash);
917 if (use_nio_peer_handler) {
918 // We receive PaymentSent immediately upon receipt of the payment preimage, but we expect to not have an
919 // HTLC transaction to broadcast below, which requires a bit more time to fully complete the
920 // commitment-transaction-update dance between both peers.
924 if (state.peer1.chain_monitor != null) {
925 Balance[] peer1_balances = state.peer1.chain_monitor.get_claimable_balances(state.peer1.chan_manager.list_channels());
926 assert peer1_balances.length == 0;
927 Balance[] peer2_balances = state.peer2.chain_monitor.get_claimable_balances(state.peer2.chan_manager.list_channels());
928 assert peer2_balances.length == 0;
931 ChannelDetails[] peer1_chans = state.peer1.chan_manager.list_channels();
934 Result_NoneAPIErrorZ close_res = state.peer1.chan_manager.close_channel(peer1_chans[0].get_channel_id());
935 assert close_res instanceof Result_NoneAPIErrorZ.Result_NoneAPIErrorZ_OK;
936 maybe_exchange_peer_messages(state.peer1, state.peer2);
937 synchronized (state.peer1.broadcast_set) {
938 while (state.peer1.broadcast_set.size() != 1) state.peer1.broadcast_set.wait();
940 synchronized (state.peer2.broadcast_set) {
941 while (state.peer2.broadcast_set.size() != 1) state.peer2.broadcast_set.wait();
944 assert state.peer1.broadcast_set.size() == 1;
945 assert state.peer2.broadcast_set.size() == 1;
947 state.peer1.chan_manager.force_close_all_channels();
948 maybe_exchange_peer_messages(state.peer1, state.peer2);
949 synchronized (state.peer1.broadcast_set) {
950 while (state.peer1.broadcast_set.size() != 1) state.peer1.broadcast_set.wait();
952 synchronized (state.peer2.broadcast_set) {
953 while (state.peer2.broadcast_set.size() != 1) state.peer2.broadcast_set.wait();
956 assert state.peer1.broadcast_set.size() == 1;
957 assert state.peer2.broadcast_set.size() == 1;
960 events = state.peer2.get_manager_events(1, state.peer1, state.peer2);
961 assert events[0] instanceof Event.ChannelClosed;
962 events = state.peer1.get_manager_events(1, state.peer1, state.peer2);
963 assert events[0] instanceof Event.ChannelClosed;
965 if (state.peer1.chain_monitor != null) {
966 Balance[] peer1_balances = state.peer1.chain_monitor.get_claimable_balances(state.peer1.chan_manager.list_channels());
967 assert peer1_balances.length == 1;
968 for (Balance bal : peer1_balances) {
969 assert bal instanceof Balance.ClaimableOnChannelClose;
970 long expected_tx_fee = 183;
971 assert ((Balance.ClaimableOnChannelClose) bal).claimable_amount_satoshis == 100000 - 1 - 10000 - expected_tx_fee;
973 Balance[] peer2_balances = state.peer2.chain_monitor.get_claimable_balances(state.peer2.chan_manager.list_channels());
974 assert peer2_balances.length == 1;
975 for (Balance bal : peer2_balances) {
976 assert bal instanceof Balance.ClaimableOnChannelClose;
977 assert ((Balance.ClaimableOnChannelClose) bal).claimable_amount_satoshis == 10000 + 1;
982 NetworkParameters bitcoinj_net = NetworkParameters.fromID(NetworkParameters.ID_MAINNET);
983 Transaction tx = new Transaction(bitcoinj_net, state.peer1.broadcast_set.getFirst());
984 Block b = new Block(bitcoinj_net, 2, state.best_blockhash, Sha256Hash.ZERO_HASH, 42, 0, 0,
985 Arrays.asList(new Transaction[]{tx}));
986 TwoTuple_TxidCVec_C2Tuple_u32TxOutZZZ[] watch_outputs = state.peer2.connect_block(b, 10, 1);
987 if (watch_outputs != null) { // We only process watch_outputs manually when we use a manually-build Watch impl
988 assert watch_outputs.length == 1;
989 assert Arrays.equals(watch_outputs[0].get_a(), tx.getTxId().getReversedBytes());
990 assert watch_outputs[0].get_b().length == 2;
991 assert watch_outputs[0].get_b()[0].get_a() == 0;
992 assert watch_outputs[0].get_b()[1].get_a() == 1;
995 for (int i = 11; i < 21; i++) {
996 b = new Block(bitcoinj_net, 2, b.getHash(), Sha256Hash.ZERO_HASH, 42, 0, 0, new ArrayList<>());
997 state.peer2.connect_block(b, i, 0);
1000 Event[] broadcastable_event = state.peer2.get_monitor_events(1);
1001 for (ChannelMonitor mon : state.peer2.monitors.values()) {
1002 // This used to be buggy and double-free, so go ahead and fetch them!
1003 byte[][] txn = mon.get_latest_holder_commitment_txn(state.peer2.logger);
1005 assert broadcastable_event.length == 1;
1006 assert broadcastable_event[0] instanceof Event.SpendableOutputs;
1007 if (state.peer2.explicit_keys_manager != null) {
1008 TxOut[] additional_outputs = new TxOut[]{new TxOut(420, new byte[]{0x42})};
1009 Result_TransactionNoneZ tx_res = state.peer2.explicit_keys_manager.spend_spendable_outputs(((Event.SpendableOutputs) broadcastable_event[0]).outputs, additional_outputs, new byte[]{0x00}, 253);
1010 assert tx_res instanceof Result_TransactionNoneZ.Result_TransactionNoneZ_OK;
1011 Transaction built_tx = new Transaction(bitcoinj_net, ((Result_TransactionNoneZ.Result_TransactionNoneZ_OK) tx_res).res);
1012 assert built_tx.getOutputs().size() == 2;
1013 assert Arrays.equals(built_tx.getOutput(1).getScriptBytes(), new byte[]{0x00});
1014 assert Arrays.equals(built_tx.getOutput(0).getScriptBytes(), new byte[]{0x42});
1015 assert built_tx.getOutput(0).getValue().value == 420;
1019 // Test exchanging a custom message (note that ChannelManagerConstructor) always loads an IgnorimgMessageHandler
1020 // so we cannot exchange custom messages with it
1021 if (!use_chan_manager_constructor) {
1022 byte[] custom_message_bytes = new byte[]{0x42, 0x44, 0x43, 0x00};
1023 state.peer1.custom_messages_to_send.add(custom_message_bytes);
1024 state.peer1.peer_manager.process_events();
1025 synchronized (state.peer2.received_custom_messages) {
1027 if (state.peer2.received_custom_messages.isEmpty()) {
1028 state.peer2.received_custom_messages.wait();
1031 assert state.peer2.received_custom_messages.size() == 1;
1032 assert Arrays.equals(state.peer2.received_custom_messages.get(0), custom_message_bytes);
1038 if (use_nio_peer_handler) {
1039 state.peer1.peer_manager.disconnect_by_node_id(state.peer2.chan_manager.get_our_node_id(), false);
1040 while (state.peer1.peer_manager.get_peer_node_ids().length != 0) Thread.yield();
1041 while (state.peer2.peer_manager.get_peer_node_ids().length != 0) Thread.yield();
1042 state.peer1.nio_peer_handler.interrupt();
1043 state.peer2.nio_peer_handler.interrupt();
1046 state.peer1.get_monitor_events(0);
1047 state.peer2.get_monitor_events(0);
1049 if (use_chan_manager_constructor) {
1050 state.peer1.constructor.interrupt();
1051 state.peer2.constructor.interrupt();
1056 state.peer1.router.write();
1058 // Construct the only Option_Enum::Variant(OpaqueStruct) we have in the codebase as this used to cause double-frees:
1059 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,};
1060 Result_ChannelUpdateDecodeErrorZ upd_msg = ChannelUpdate.read(serd);
1061 assert upd_msg instanceof Result_ChannelUpdateDecodeErrorZ.Result_ChannelUpdateDecodeErrorZ_OK;
1062 Option_NetworkUpdateZ upd = Option_NetworkUpdateZ.some(NetworkUpdate.channel_update_message(((Result_ChannelUpdateDecodeErrorZ.Result_ChannelUpdateDecodeErrorZ_OK) upd_msg).res));
1065 java.util.LinkedList<WeakReference<Object>> must_free_objs = new java.util.LinkedList();
1067 int gc_exp_count = 0;
1069 GcCheck() { gc_exp_count += 1; }
1071 protected void finalize() throws Throwable {
1077 public class HumanObjectPeerTest {
1078 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 {
1079 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);
1080 HumanObjectPeerTestInstance.TestState state = instance.do_test_message_handler();
1081 instance.do_test_message_handler_b(state);
1084 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 {
1085 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);
1086 while (instance.gc_count != instance.gc_exp_count) {
1088 System.runFinalization();
1090 for (WeakReference<Object> o : instance.must_free_objs)
1091 assert o.get() == null;
1094 public void test_message_handler() throws InterruptedException {
1095 Thread gc_thread = new Thread(() -> {
1098 System.runFinalization();
1099 try { Thread.sleep(0, 1); } catch (InterruptedException e) { break; }
1101 }, "Test GC Thread");
1103 for (int i = 0; i < (1 << 9) - 1; i++) {
1104 boolean nice_close = (i & (1 << 0)) != 0;
1105 boolean use_km_wrapper = (i & (1 << 1)) != 0;
1106 boolean use_manual_watch = (i & (1 << 2)) != 0;
1107 boolean reload_peers = (i & (1 << 3)) != 0;
1108 boolean break_cross_refs = (i & (1 << 4)) != 0;
1109 boolean use_ignoring_routing_handler = (i & (1 << 5)) != 0;
1110 boolean use_chan_manager_constructor = (i & (1 << 6)) != 0;
1111 boolean use_invoice_payer = (i & (1 << 7)) != 0;
1112 boolean nio_peer_handler = (i & (1 << 8)) != 0;
1113 if (break_cross_refs && !reload_peers) {
1114 // There are no cross refs to break without reloading peers.
1117 if (use_chan_manager_constructor && (use_manual_watch || !nio_peer_handler)) {
1118 // ChannelManagerConstructor requires a ChainMonitor as the Watch and creates a NioPeerHandler for us.
1121 if (!use_chan_manager_constructor && (use_ignoring_routing_handler)) {
1122 // We rely on the ChannelManagerConstructor to convert null into an IgnoringMessageHandler, so don't
1123 // try to run with an IgnoringMessageHandler unless we're also using a ChannelManagerConstructor.
1126 if (use_chan_manager_constructor && use_ignoring_routing_handler && use_invoice_payer) {
1127 // As documented on ChannelManagerConstructor, if we provide a `null` NetworkGraph (because we want to
1128 // use an IgnoringMessageHandler), no InvoicePayer will be constructored for us, thus we cannot use an
1129 // InvoicePayer to send payments in this case.
1132 System.err.println("Running test with flags " + i);
1133 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);
1135 gc_thread.interrupt();
1139 // This is used in the test jar to test the built jar is runnable
1140 public static void main(String[] args) {
1142 new HumanObjectPeerTest().test_message_handler();
1143 } catch (Exception e) {
1144 System.err.println("Caught exception:");
1145 System.err.println(e);