From: Matt Corallo Date: Sat, 30 Jan 2021 23:09:11 +0000 (-0500) Subject: Update HumanObjectPeerTest for upstream changes, to reload nodes X-Git-Tag: v0.0.1~13 X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=7f53b4ec5c44eca2bba5cdeb037d176a8937b680;p=ldk-java Update HumanObjectPeerTest for upstream changes, to reload nodes --- diff --git a/src/test/java/org/ldk/HumanObjectPeerTest.java b/src/test/java/org/ldk/HumanObjectPeerTest.java index 781d4d2c..ef08d774 100644 --- a/src/test/java/org/ldk/HumanObjectPeerTest.java +++ b/src/test/java/org/ldk/HumanObjectPeerTest.java @@ -15,6 +15,20 @@ import java.util.HashMap; import java.util.LinkedList; class HumanObjectPeerTestInstance { + private final boolean nice_close; + private final boolean use_km_wrapper; + private final boolean use_manual_watch; + private final boolean reload_peers; + private final boolean break_cross_peer_refs; + + HumanObjectPeerTestInstance(boolean nice_close, boolean use_km_wrapper, boolean use_manual_watch, boolean reload_peers, boolean break_cross_peer_refs) { + this.nice_close = nice_close; + this.use_km_wrapper = use_km_wrapper; + this.use_manual_watch = use_manual_watch; + this.reload_peers = reload_peers; + this.break_cross_peer_refs = break_cross_peer_refs; + } + class Peer { KeysInterface manual_keysif(KeysInterface underlying_if) { return KeysInterface.new_impl(new KeysInterface.KeysInterfaceInterface() { @@ -47,13 +61,8 @@ class HumanObjectPeerTestInstance { } @Override - public Result_SignatureNoneZ sign_holder_commitment(HolderCommitmentTransaction holder_commitment_tx) { - return underlying_ck.sign_holder_commitment(holder_commitment_tx); - } - - @Override - public Result_CVec_SignatureZNoneZ sign_holder_commitment_htlc_transactions(HolderCommitmentTransaction holder_commitment_tx) { - return underlying_ck.sign_holder_commitment_htlc_transactions(holder_commitment_tx); + public Result_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_holder_commitment_and_htlcs(HolderCommitmentTransaction holder_commitment_tx) { + return underlying_ck.sign_holder_commitment_and_htlcs(holder_commitment_tx); } @Override @@ -106,7 +115,7 @@ class HumanObjectPeerTestInstance { } Watch get_manual_watch() { - return Watch.new_impl(new Watch.WatchInterface() { + Watch.WatchInterface watch_impl = new Watch.WatchInterface() { public Result_NoneChannelMonitorUpdateErrZ watch_channel(OutPoint funding_txo, ChannelMonitor monitor) { synchronized (monitors) { assert monitors.put(Arrays.toString(funding_txo.get_txid()), monitor) == null; @@ -134,41 +143,72 @@ class HumanObjectPeerTestInstance { } return new MonitorEvent[0]; } - }); + }; + Watch watch = Watch.new_impl(watch_impl); + must_free_objs.add(new WeakReference<>(watch_impl)); + must_free_objs.add(new WeakReference<>(watch)); + return watch; } + final byte seed; final Logger logger; final FeeEstimator fee_estimator; final BroadcasterInterface tx_broadcaster; final KeysInterface keys_interface; final ChainMonitor chain_monitor; - final ChannelManager chan_manager; - final EventsProvider chan_manager_events; final NetGraphMsgHandler router; - final PeerManager peer_manager; + final Watch chain_watch; + ChannelManager chan_manager; + EventsProvider chan_manager_events; + PeerManager peer_manager; final HashMap monitors; // Wow I forgot just how terrible Java is - we can't put a byte array here. byte[] node_id; final LinkedList broadcast_set = new LinkedList<>(); - Peer(byte seed, boolean use_km_wrapper, boolean use_manual_watch) { + private TwoTuple test_mon_roundtrip(ChannelMonitor mon) { + // Because get_funding_txo() returns an OutPoint in a tuple that is a reference to an OutPoint inside the + // ChannelMonitor, its a good test to ensure that the OutPoint isn't freed (or is cloned) before the + // ChannelMonitor is. This used to be broken. + Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ roundtrip_monitor = UtilMethods.constructor_BlockHashChannelMonitorZ_read(mon.write(), keys_interface); + assert roundtrip_monitor instanceof Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK; + TwoTuple funding_txo = ((Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK) roundtrip_monitor).res.b.get_funding_txo(); + System.gc(); System.runFinalization(); // Give the GC a chance to run. + return funding_txo; + } + + private Peer(Object _dummy, byte seed) { logger = Logger.new_impl((String arg) -> System.out.println(seed + ": " + arg)); fee_estimator = FeeEstimator.new_impl((confirmation_target -> 253)); tx_broadcaster = BroadcasterInterface.new_impl(tx -> { broadcast_set.add(tx); }); - this.monitors = new HashMap<>(); + monitors = new HashMap<>(); + this.seed = seed; Persist persister = Persist.new_impl(new Persist.PersistInterface() { @Override public Result_NoneChannelMonitorUpdateErrZ persist_new_channel(OutPoint id, ChannelMonitor data) { + synchronized (monitors) { + String key = Arrays.toString(id.to_channel_id()); + assert monitors.put(key, data) == null; + TwoTuple res = test_mon_roundtrip(data); + assert Arrays.equals(res.a.get_txid(), id.get_txid()); + assert res.a.get_index() == id.get_index(); + } return new Result_NoneChannelMonitorUpdateErrZ.Result_NoneChannelMonitorUpdateErrZ_OK(); } @Override public Result_NoneChannelMonitorUpdateErrZ update_persisted_channel(OutPoint id, ChannelMonitorUpdate update, ChannelMonitor data) { + synchronized (monitors) { + String key = Arrays.toString(id.to_channel_id()); + assert monitors.put(key, data) != null; + TwoTuple res = test_mon_roundtrip(data); + assert Arrays.equals(res.a.get_txid(), id.get_txid()); + assert res.a.get_index() == id.get_index(); + } return new Result_NoneChannelMonitorUpdateErrZ.Result_NoneChannelMonitorUpdateErrZ_OK(); } }); - Watch chain_watch; if (use_manual_watch) { chain_watch = get_manual_watch(); chain_monitor = null; @@ -188,10 +228,13 @@ class HumanObjectPeerTestInstance { KeysManager keys = KeysManager.constructor_new(key_seed, LDKNetwork.LDKNetwork_Bitcoin, System.currentTimeMillis() / 1000, (int) (System.currentTimeMillis() * 1000) & 0xffffffff); this.keys_interface = keys.as_KeysInterface(); } + this.router = NetGraphMsgHandler.constructor_new(new byte[32], null, logger); + } + Peer(byte seed) { + this(null, seed); this.chan_manager = ChannelManager.constructor_new(LDKNetwork.LDKNetwork_Bitcoin, FeeEstimator.new_impl(confirmation_target -> 0), chain_watch, tx_broadcaster, logger, this.keys_interface, UserConfig.constructor_default(), 1); this.node_id = chan_manager.get_our_node_id(); this.chan_manager_events = chan_manager.as_EventsProvider(); - this.router = NetGraphMsgHandler.constructor_new(new byte[32], null, logger); byte[] random_data = new byte[32]; for (byte i = 0; i < 32; i++) { @@ -200,6 +243,39 @@ class HumanObjectPeerTestInstance { this.peer_manager = PeerManager.constructor_new(chan_manager.as_ChannelMessageHandler(), router.as_RoutingMessageHandler(), keys_interface.get_node_secret(), random_data, logger); System.gc(); } + Peer(Peer orig) { + this(null, orig.seed); + ChannelMonitor[] monitors = new ChannelMonitor[1]; + synchronized (monitors) { + assert orig.monitors.size() == 1; + monitors[0] = orig.monitors.values().stream().iterator().next(); + if (break_cross_peer_refs && use_manual_watch) { + Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ res = UtilMethods.constructor_BlockHashChannelMonitorZ_read(monitors[0].write(), keys_interface); + assert res instanceof Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK; + monitors[0] = ((Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_OK) res).res.b; + } + } + byte[] serialized = orig.chan_manager.write(); + Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ read_res = + UtilMethods.constructor_BlockHashChannelManagerZ_read(serialized, this.keys_interface, this.fee_estimator, this.chain_watch, this.tx_broadcaster, this.logger, UserConfig.constructor_default(), monitors); + if (!break_cross_peer_refs && use_manual_watch) { + // When we pass monitors[0] into chain_watch.watch_channel we create a reference from the new Peer to a + // field in the old peer, preventing freeing of the original Peer until the new Peer is freed. Thus, we + // shouldn't bother waiting for the original to be freed later on. + cross_reload_ref_pollution = true; + } + this.chain_watch.watch_channel(monitors[0].get_funding_txo().a, monitors[0]); + assert read_res instanceof Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_OK; + this.chan_manager = ((Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ_OK) read_res).res.b; + this.node_id = chan_manager.get_our_node_id(); + this.chan_manager_events = chan_manager.as_EventsProvider(); + + byte[] random_data = new byte[32]; + for (byte i = 0; i < 32; i++) { + random_data[i] = (byte) ((i ^ seed) ^ 0xf0); + } + this.peer_manager = PeerManager.constructor_new(chan_manager.as_ChannelMessageHandler(), router.as_RoutingMessageHandler(), keys_interface.get_node_secret(), random_data, logger); + } TwoTuple[]>[] connect_block(Block b, int height, long expected_monitor_update_len) { byte[] header = Arrays.copyOfRange(b.bitcoinSerialize(), 0, 80); @@ -242,10 +318,11 @@ class HumanObjectPeerTestInstance { } } - class DescriptorHolder { SocketDescriptor val; } + static class DescriptorHolder { SocketDescriptor val; } boolean running = false; final LinkedList runqueue = new LinkedList(); + boolean ran = false; Thread t = new Thread(() -> { while (true) { try { @@ -267,10 +344,20 @@ class HumanObjectPeerTestInstance { } } }); - void wait_events_processed() { + void wait_events_processed(Peer peer1, Peer peer2) { + synchronized (runqueue) { + ran = false; + } while (true) { + peer1.peer_manager.process_events(); + peer2.peer_manager.process_events(); synchronized (runqueue) { - if (runqueue.isEmpty() && !running) break; + if (runqueue.isEmpty() && !running) { + if (ran) { + ran = false; + continue; + } else { break; } + } try { runqueue.wait(); } catch (InterruptedException e) { assert false; } } } @@ -278,6 +365,7 @@ class HumanObjectPeerTestInstance { void do_read_event(PeerManager pm, SocketDescriptor descriptor, byte[] data) { if (!t.isAlive()) t.start(); synchronized (runqueue) { + ran = true; runqueue.add(() -> { Result_boolPeerHandleErrorZ res = pm.read_event(descriptor, data); assert res instanceof Result_boolPeerHandleErrorZ.Result_boolPeerHandleErrorZ_OK; @@ -287,11 +375,7 @@ class HumanObjectPeerTestInstance { must_free_objs.add(new WeakReference<>(data)); } - void do_test_message_handler(boolean nice_close, boolean use_km_wrapper, boolean use_manual_watch) throws InterruptedException { - GcCheck obj = new GcCheck(); - Peer peer1 = new Peer((byte) 1, use_km_wrapper, use_manual_watch); - Peer peer2 = new Peer((byte) 2, use_km_wrapper, use_manual_watch); - + void connect_peers(final Peer peer1, final Peer peer2) { DescriptorHolder descriptor1 = new DescriptorHolder(); DescriptorHolder descriptor1ref = descriptor1; SocketDescriptor descriptor2 = SocketDescriptor.new_impl(new SocketDescriptor.SocketDescriptorInterface() { @@ -324,16 +408,18 @@ class HumanObjectPeerTestInstance { Result_NonePeerHandleErrorZ inbound_conn_res = peer2.peer_manager.new_inbound_connection(descriptor2); assert inbound_conn_res instanceof Result_NonePeerHandleErrorZ.Result_NonePeerHandleErrorZ_OK; do_read_event(peer2.peer_manager, descriptor2, ((Result_CVec_u8ZPeerHandleErrorZ.Result_CVec_u8ZPeerHandleErrorZ_OK) conn_res).res); + } + + TestState do_test_message_handler() throws InterruptedException { + Peer peer1 = new Peer((byte) 1); + Peer peer2 = new Peer((byte) 2); - wait_events_processed(); + connect_peers(peer1, peer2); + wait_events_processed(peer1, peer2); Result_NoneAPIErrorZ cc_res = peer1.chan_manager.create_channel(peer2.node_id, 10000, 1000, 42, null); assert cc_res instanceof Result_NoneAPIErrorZ.Result_NoneAPIErrorZ_OK; - - peer1.peer_manager.process_events(); - wait_events_processed(); - peer2.peer_manager.process_events(); - wait_events_processed(); + wait_events_processed(peer1, peer2); Event[] events = peer1.chan_manager_events.get_and_clear_pending_events(); assert events.length == 1; @@ -352,11 +438,7 @@ class HumanObjectPeerTestInstance { funding.getInput(0).getWitness().setPush(0, new byte[]{0x1}); funding.addOutput(Coin.SATOSHI.multiply(10000), new Script(funding_spk)); peer1.chan_manager.funding_transaction_generated(chan_id, OutPoint.constructor_new(funding.getTxId().getReversedBytes(), (short) 0)); - - peer1.peer_manager.process_events(); - wait_events_processed(); - peer2.peer_manager.process_events(); - wait_events_processed(); + wait_events_processed(peer1, peer2); events = peer1.chan_manager_events.get_and_clear_pending_events(); assert events.length == 1; @@ -372,10 +454,7 @@ class HumanObjectPeerTestInstance { peer1.connect_block(b, height, 0); peer2.connect_block(b, height, 0); } - - peer1.peer_manager.process_events(); - peer2.peer_manager.process_events(); - wait_events_processed(); + wait_events_processed(peer1, peer2); peer1.chan_manager.list_channels(); ChannelDetails[] peer1_chans = peer1.chan_manager.list_channels(); @@ -393,75 +472,84 @@ class HumanObjectPeerTestInstance { Route route = peer1.get_route(peer2.node_id, peer1_chans); Result_NonePaymentSendFailureZ payment_res = peer1.chan_manager.send_payment(route, payment_hash, new byte[32]); assert payment_res instanceof Result_NonePaymentSendFailureZ.Result_NonePaymentSendFailureZ_OK; + wait_events_processed(peer1, peer2); - peer1.peer_manager.process_events(); - wait_events_processed(); - peer2.peer_manager.process_events(); - wait_events_processed(); - peer1.peer_manager.process_events(); - wait_events_processed(); + if (reload_peers) { + WeakReference op1 = new WeakReference(peer1); + peer1 = new Peer(peer1); + peer2 = new Peer(peer2); + return new TestState(op1, peer1, peer2, payment_preimage, b.getHash()); + } + return new TestState(null, peer1, peer2, payment_preimage, b.getHash()); + } - { - peer1.chan_manager.write(); - //ChannelManager. + boolean cross_reload_ref_pollution = false; + class TestState { + private final WeakReference ref_block; + private final Peer peer1; + private final Peer peer2; + private final byte[] payment_preimage; + public Sha256Hash best_blockhash; + + public TestState(WeakReference ref_block, Peer peer1, Peer peer2, byte[] payment_preimage, Sha256Hash best_blockhash) { + this.ref_block = ref_block; + this.peer1 = peer1; + this.peer2 = peer2; + this.payment_preimage = payment_preimage; + this.best_blockhash = best_blockhash; + } + } + void do_test_message_handler_b(TestState state) { + GcCheck obj = new GcCheck(); + if (state.ref_block != null) { + // Ensure the original peers get freed before we move on. Note that we have to be in a different function + // scope to do so as the (at least current OpenJDK) JRE won't release anything created in the same scope. + while (!cross_reload_ref_pollution && state.ref_block.get() != null) { + System.gc(); + System.runFinalization(); + } + connect_peers(state.peer1, state.peer2); + wait_events_processed(state.peer1, state.peer2); } - events = peer2.chan_manager_events.get_and_clear_pending_events(); + Event[] events = state.peer2.chan_manager_events.get_and_clear_pending_events(); assert events.length == 1; assert events[0] instanceof Event.PendingHTLCsForwardable; - peer2.chan_manager.process_pending_htlc_forwards(); + state.peer2.chan_manager.process_pending_htlc_forwards(); - events = peer2.chan_manager_events.get_and_clear_pending_events(); + events = state.peer2.chan_manager_events.get_and_clear_pending_events(); assert events.length == 1; assert events[0] instanceof Event.PaymentReceived; - peer2.chan_manager.claim_funds(payment_preimage, new byte[32], ((Event.PaymentReceived) events[0]).amt); + state.peer2.chan_manager.claim_funds(state.payment_preimage, new byte[32], ((Event.PaymentReceived) events[0]).amt); + wait_events_processed(state.peer1, state.peer2); - peer2.peer_manager.process_events(); - wait_events_processed(); - peer1.peer_manager.process_events(); - wait_events_processed(); - peer2.peer_manager.process_events(); - wait_events_processed(); - - events = peer1.chan_manager_events.get_and_clear_pending_events(); + events = state.peer1.chan_manager_events.get_and_clear_pending_events(); assert events.length == 1; assert events[0] instanceof Event.PaymentSent; - assert Arrays.equals(((Event.PaymentSent) events[0]).payment_preimage, payment_preimage); + assert Arrays.equals(((Event.PaymentSent) events[0]).payment_preimage, state.payment_preimage); + wait_events_processed(state.peer1, state.peer2); + + ChannelDetails[] peer1_chans = state.peer1.chan_manager.list_channels(); if (nice_close) { - Result_NoneAPIErrorZ close_res = peer1.chan_manager.close_channel(peer1_chans[0].get_channel_id()); + Result_NoneAPIErrorZ close_res = state.peer1.chan_manager.close_channel(peer1_chans[0].get_channel_id()); assert close_res instanceof Result_NoneAPIErrorZ.Result_NoneAPIErrorZ_OK; + wait_events_processed(state.peer1, state.peer2); - peer1.peer_manager.process_events(); - wait_events_processed(); - peer2.peer_manager.process_events(); - wait_events_processed(); - peer1.peer_manager.process_events(); - wait_events_processed(); - peer2.peer_manager.process_events(); - wait_events_processed(); - - assert peer1.broadcast_set.size() == 1; - assert peer2.broadcast_set.size() == 1; + assert state.peer1.broadcast_set.size() == 1; + assert state.peer2.broadcast_set.size() == 1; } else { - peer1.chan_manager.force_close_all_channels(); - - peer1.peer_manager.process_events(); - wait_events_processed(); - peer2.peer_manager.process_events(); - wait_events_processed(); - peer1.peer_manager.process_events(); - wait_events_processed(); - peer2.peer_manager.process_events(); - wait_events_processed(); + state.peer1.chan_manager.force_close_all_channels(); + wait_events_processed(state.peer1, state.peer2); - assert peer1.broadcast_set.size() == 1; - assert peer2.broadcast_set.size() == 0; + assert state.peer1.broadcast_set.size() == 1; + assert state.peer2.broadcast_set.size() == 0; - Transaction tx = new Transaction(bitcoinj_net, peer1.broadcast_set.getFirst()); - b = new Block(bitcoinj_net, 2, b.getHash(), Sha256Hash.ZERO_HASH, 42, 0, 0, + NetworkParameters bitcoinj_net = NetworkParameters.fromID(NetworkParameters.ID_MAINNET); + Transaction tx = new Transaction(bitcoinj_net, state.peer1.broadcast_set.getFirst()); + Block b = new Block(bitcoinj_net, 2, state.best_blockhash, Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[]{tx})); - TwoTuple[]>[] watch_outputs = peer2.connect_block(b, 1, 1); + TwoTuple[]>[] watch_outputs = state.peer2.connect_block(b, 1, 1); if (watch_outputs != null) { // We only process watch_outputs manually when we use a manually-build Watch impl assert watch_outputs.length == 1; assert Arrays.equals(watch_outputs[0].a, tx.getTxId().getReversedBytes()); @@ -469,8 +557,8 @@ class HumanObjectPeerTestInstance { } // This used to be buggy and double-free, so go ahead and fetch them! - for (ChannelMonitor mon : peer2.monitors.values()) { - byte[][] txn = mon.get_latest_holder_commitment_txn(peer2.logger); + for (ChannelMonitor mon : state.peer2.monitors.values()) { + byte[][] txn = mon.get_latest_holder_commitment_txn(state.peer2.logger); } } } @@ -486,9 +574,14 @@ class HumanObjectPeerTestInstance { } } public class HumanObjectPeerTest { - void do_test(boolean nice_close, boolean use_km_wrapper, boolean use_manual_watch) throws InterruptedException { - HumanObjectPeerTestInstance instance = new HumanObjectPeerTestInstance(); - instance.do_test_message_handler(nice_close, use_km_wrapper, use_manual_watch); + HumanObjectPeerTestInstance do_test_run(boolean nice_close, boolean use_km_wrapper, boolean use_manual_watch, boolean reload_peers, boolean break_cross_peer_refs) throws InterruptedException { + HumanObjectPeerTestInstance instance = new HumanObjectPeerTestInstance(nice_close, use_km_wrapper, use_manual_watch, reload_peers, break_cross_peer_refs); + HumanObjectPeerTestInstance.TestState state = instance.do_test_message_handler(); + instance.do_test_message_handler_b(state); + return instance; + } + void do_test(boolean nice_close, boolean use_km_wrapper, boolean use_manual_watch, boolean reload_peers, boolean break_cross_peer_refs) throws InterruptedException { + HumanObjectPeerTestInstance instance = do_test_run(nice_close, use_km_wrapper, use_manual_watch, reload_peers, break_cross_peer_refs); while (!instance.gc_ran) { System.gc(); System.runFinalization(); @@ -497,19 +590,19 @@ public class HumanObjectPeerTest { assert o.get() == null; } @Test - public void test_message_handler_force_close() throws InterruptedException { - do_test(false, false, false); - } - @Test - public void test_message_handler_nice_close() throws InterruptedException { - do_test(true, false, false); - } - @Test - public void test_message_handler_nice_close_wrapper() throws InterruptedException { - do_test(true, true, true); - } - @Test - public void test_message_handler_force_close_wrapper() throws InterruptedException { - do_test(false, true, true); + public void test_message_handler() throws InterruptedException { + for (int i = 0; i < (1 << 5) - 1; i++) { + boolean nice_close = (i & (1 << 0)) != 0; + boolean use_km_wrapper = (i & (1 << 1)) != 0; + boolean use_manual_watch = (i & (1 << 2)) != 0; + boolean reload_peers = (i & (1 << 3)) != 0; + boolean break_cross_refs = (i & (1 << 4)) != 0; + if (break_cross_refs && !reload_peers) { + // There are no cross refs to break without reloading peers. + continue; + } + System.err.println("Running test with flags " + i); + do_test(nice_close, use_km_wrapper, use_manual_watch, reload_peers, break_cross_refs); + } } }