package org.ldk;
+import org.bitcoinj.core.*;
+import org.bitcoinj.script.Script;
import org.junit.jupiter.api.Test;
+import org.ldk.enums.LDKNetwork;
import org.ldk.impl.bindings;
-public class PeerTest {
- @Test
- void test_message_handler() {
- long logger = bindings.LDKLogger_new((String arg)->{
- System.out.println(arg);
- });
- long chan_handler = bindings.LDKChannelMessageHandler_new(new bindings.LDKChannelMessageHandler() {
- @Override
- public void handle_open_channel(long their_node_id, long their_features, long msg) {
-
- }
-
- @Override
- public void handle_accept_channel(long their_node_id, long their_features, long msg) {
-
- }
-
- @Override
- public void handle_funding_created(long their_node_id, long msg) {
-
- }
-
- @Override
- public void handle_funding_signed(long their_node_id, long msg) {
-
- }
-
- @Override
- public void handle_funding_locked(long their_node_id, long msg) {
-
- }
-
- @Override
- public void handle_shutdown(long their_node_id, long msg) {
-
- }
-
- @Override
- public void handle_closing_signed(long their_node_id, long msg) {
-
- }
-
- @Override
- public void handle_update_add_htlc(long their_node_id, long msg) {
-
- }
-
- @Override
- public void handle_update_fulfill_htlc(long their_node_id, long msg) {
-
- }
-
- @Override
- public void handle_update_fail_htlc(long their_node_id, long msg) {
-
- }
-
- @Override
- public void handle_update_fail_malformed_htlc(long their_node_id, long msg) {
-
- }
-
- @Override
- public void handle_commitment_signed(long their_node_id, long msg) {
-
- }
-
- @Override
- public void handle_revoke_and_ack(long their_node_id, long msg) {
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.concurrent.ConcurrentLinkedQueue;
+public class PeerTest {
+ class Peer {
+ final long logger;
+ final long fee_estimator;
+ final long tx_broadcaster;
+ final long chain_monitor;
+ final long keys;
+ final long keys_interface;
+ final long config;
+ final long chan_manager;
+ final long chan_manager_events;
+ final long chan_handler;
+ final long router;
+ final long route_handler;
+ final long message_handler;
+ final long peer_manager;
+ HashMap<String, Long> monitors; // Wow I forgot just how terrible Java is - we can't put a byte array here.
+ byte[] node_id;
+ bindings.LDKFeeEstimator fee_est;
+ bindings.LDKBroadcasterInterface broad_trait;
+ bindings.LDKLogger log_trait;
+ bindings.LDKWatch watcher;
+ ArrayList<Long> results_to_free;
+
+ Peer(byte seed) {
+ this.log_trait = (String arg)-> System.out.println(seed + ": " + arg);
+ logger = bindings.LDKLogger_new(this.log_trait);
+ this.fee_est = confirmation_target -> 0;
+ this.fee_estimator = bindings.LDKFeeEstimator_new(this.fee_est);
+ this.broad_trait = tx -> {
+ // We should broadcast
+ };
+ this.results_to_free = new ArrayList<>();
+ this.tx_broadcaster = bindings.LDKBroadcasterInterface_new(this.broad_trait);
+ this.monitors = new HashMap<>();
+ this.watcher = new bindings.LDKWatch() {
+ @Override
+ public long watch_channel(long funding_txo, long monitor) {
+ synchronized (monitors) {
+ assert monitors.put(Arrays.toString(bindings.OutPoint_get_txid(funding_txo)), monitor) == null;
+ }
+ bindings.OutPoint_free(funding_txo);
+ long res = bindings.CResult_NoneChannelMonitorUpdateErrZ_ok();
+ results_to_free.add(res);
+ return res;
+ }
+
+ @Override
+ public long update_channel(long funding_txo, long update) {
+ synchronized (monitors) {
+ String txid = Arrays.toString(bindings.OutPoint_get_txid(funding_txo));
+ assert monitors.containsKey(txid);
+ long update_res = bindings.ChannelMonitor_update_monitor(monitors.get(txid), update, tx_broadcaster, fee_estimator, logger);
+ assert bindings.LDKCResult_NoneMonitorUpdateErrorZ_result_ok(update_res);
+ bindings.CResult_NoneMonitorUpdateErrorZ_free(update_res);
+ }
+ bindings.OutPoint_free(funding_txo);
+ bindings.ChannelMonitorUpdate_free(update);
+ long res = bindings.CResult_NoneChannelMonitorUpdateErrZ_ok();
+ results_to_free.add(res);
+ return res;
+ }
+
+ @Override
+ public long[] release_pending_monitor_events() {
+ synchronized (monitors) {
+ assert monitors.size() <= 1;
+ for (Long mon : monitors.values()) {
+ return bindings.ChannelMonitor_get_and_clear_pending_monitor_events(mon);
+ }
+ }
+ return new long[0];
+ }
+ };
+ this.chain_monitor = bindings.LDKWatch_new(this.watcher);
+
+ byte[] key_seed = new byte[32];
+ for (byte i = 0; i < 32; i++) { key_seed[i] = (byte) (i ^ seed); }
+ this.keys = bindings.KeysManager_new(key_seed, System.currentTimeMillis() / 1000, (int)(System.currentTimeMillis() * 1000) & 0xffffffff);
+ this.keys_interface = bindings.KeysManager_as_KeysInterface(keys);
+ this.config = bindings.UserConfig_default();
+ long params = bindings.ChainParameters_new(LDKNetwork.LDKNetwork_Bitcoin, bindings.BestBlock_new(new byte[32], 0));
+ this.chan_manager = bindings.ChannelManager_new(fee_estimator, chain_monitor, tx_broadcaster, logger, keys_interface, config, params);
+ this.node_id = bindings.ChannelManager_get_our_node_id(chan_manager);
+ this.chan_manager_events = bindings.ChannelManager_as_EventsProvider(chan_manager);
+
+ this.chan_handler = bindings.ChannelManager_as_ChannelMessageHandler(chan_manager);
+ this.router = bindings.NetGraphMsgHandler_new(new byte[32], 0, logger);
+ this.route_handler = bindings.NetGraphMsgHandler_as_RoutingMessageHandler(router);
+ this.message_handler = bindings.MessageHandler_new(chan_handler, route_handler);
+
+ byte[] random_data = new byte[32];
+ for (byte i = 0; i < 32; i++) { random_data[i] = (byte) ((i ^ seed) ^ 0xf0); }
+ this.peer_manager = bindings.PeerManager_new(message_handler, bindings.KeysInterface_get_node_secret(keys_interface), random_data, logger);
+ }
+
+ void connect_block(Block b, Transaction t, int height) {
+ long listen = bindings.ChannelManager_as_Listen(chan_manager);
+ bindings.Listen_block_connected(listen, b.bitcoinSerialize(), height);
+ bindings.Listen_free(listen);
+ synchronized (monitors) {
+ for (Long mon : monitors.values()) {
+ long[] txn;
+ if (t != null)
+ txn = new long[]{bindings.C2Tuple_usizeTransactionZ_new(1, t.bitcoinSerialize())};
+ else
+ txn = new long[0];
+ byte[] header = Arrays.copyOfRange(b.bitcoinSerialize(), 0, 80);
+ long[] ret = bindings.ChannelMonitor_block_connected(mon, header, txn, height, tx_broadcaster, fee_estimator, logger);
+ for (long r : ret) {
+ bindings.C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_free(r);
+ }
+ }
}
-
- @Override
- public void handle_update_fee(long their_node_id, long msg) {
-
+ }
+
+ void free() {
+ // Note that we can't rely on finalizer order, so don't bother trying to rely on it here
+ bindings.Logger_free(logger);
+ bindings.FeeEstimator_free(fee_estimator);
+ bindings.BroadcasterInterface_free(tx_broadcaster);
+ bindings.Watch_free(chain_monitor);
+ bindings.KeysManager_free(keys);
+ bindings.KeysInterface_free(keys_interface);
+ bindings.UserConfig_free(config);
+ bindings.ChannelManager_free(chan_manager);
+ bindings.EventsProvider_free(chan_manager_events);
+ bindings.ChannelMessageHandler_free(chan_handler);
+ bindings.NetGraphMsgHandler_free(router);
+ bindings.RoutingMessageHandler_free(route_handler);
+ //MessageHandler was actually moved into the route_handler!: bindings.MessageHandler_free(message_handler);
+ bindings.PeerManager_free(peer_manager);
+ synchronized (monitors) {
+ for (Long mon : monitors.values()) {
+ bindings.ChannelMonitor_free(mon);
+ }
}
-
- @Override
- public void handle_announcement_signatures(long their_node_id, long msg) {
-
+ for (Long res : results_to_free) {
+ bindings.CResult_NoneChannelMonitorUpdateErrZ_free(res);
}
+ }
+ }
- @Override
- public void peer_disconnected(long their_node_id, boolean no_connection_possible) {
+ class LongHolder { long val; }
- }
+ void do_read_event(ConcurrentLinkedQueue<Thread> list, long pm, long descriptor, byte[] arr) {
+ Thread thread = new Thread(() -> {
+ long res = bindings.PeerManager_read_event(pm, descriptor, arr);
+ assert bindings.LDKCResult_boolPeerHandleErrorZ_result_ok(res);
+ //assert bindings.deref_bool(bindings.LDKCResult_boolPeerHandleErrorZ_get_inner(res));
+ bindings.CResult_boolPeerHandleErrorZ_free(res);
+ });
+ thread.start();
+ list.add(thread);
+ }
+ @Test
+ void test_message_handler() throws InterruptedException {
+ Peer peer1 = new Peer((byte) 1);
+ Peer peer2 = new Peer((byte) 2);
+
+ ConcurrentLinkedQueue<Thread> list = new ConcurrentLinkedQueue<Thread>();
+ LongHolder descriptor1 = new LongHolder();
+ LongHolder descriptor1ref = descriptor1;
+ bindings.LDKSocketDescriptor sock1 = new bindings.LDKSocketDescriptor() {
@Override
- public void peer_connected(long their_node_id, long msg) {
-
+ public long send_data(byte[] data, boolean resume_read) {
+ do_read_event(list, peer1.peer_manager, descriptor1ref.val, data);
+ return data.length;
}
- @Override
- public void handle_channel_reestablish(long their_node_id, long msg) {
-
- }
+ @Override public void disconnect_socket() { assert false; }
+ @Override public boolean eq(long other_arg) { boolean ret = bindings.SocketDescriptor_hash(other_arg) == 2; bindings.SocketDescriptor_free(other_arg); return ret; }
+ @Override public long hash() { return 2; }
+ };
+ long descriptor2 = bindings.LDKSocketDescriptor_new(sock1);
+ bindings.LDKSocketDescriptor sock2 = new bindings.LDKSocketDescriptor() {
@Override
- public void handle_error(long their_node_id, long msg) {
-
- }
- }, () -> 0);
- long route_handler = bindings.LDKRoutingMessageHandler_new(new bindings.LDKRoutingMessageHandler() {
- @Override public long handle_node_announcement(long msg) {
- return 0;
- }
- @Override public long handle_channel_announcement(long msg) {
- return 0;
+ public long send_data(byte[] data, boolean resume_read) {
+ do_read_event(list, peer2.peer_manager, descriptor2, data);
+ return data.length;
}
- @Override public long handle_channel_update(long msg) {
- return 0;
- }
- @Override public void handle_htlc_fail_channel_update(long update) {
- }
- @Override public long get_next_channel_announcements(long starting_point, byte batch_amount) {
- return 0;
- }
- @Override public long get_next_node_announcements(long starting_point, byte batch_amount) {
- return 0;
- }
- @Override public boolean should_request_full_sync(long node_id) {
- return false;
- }
- });
- long message_handler = bindings.MessageHandler_new(chan_handler, route_handler);
- long our_node_secret = bindings.LDKSecretKey_new(); //TODO: Need LDKSecretKey constructor
- byte[] random_data = new byte[32];
- for (byte i = 0; i < 32; i++) { random_data[i] = i; }
-
- long peer_manager = bindings.PeerManager_new(message_handler, our_node_secret, random_data, logger);
-
- // Note that we can't rely on finalizer order, so don't bother trying to rely on it here
- bindings.Logger_free(logger);
- bindings.ChannelMessageHandler_free(chan_handler);
- bindings.RoutingMessageHandler_free(route_handler);
- //bindings.MessageHandler_free(message_handler);
- bindings.PeerManager_free(peer_manager);
+ @Override public void disconnect_socket() { assert false; }
+ @Override public boolean eq(long other_arg) { boolean ret = bindings.SocketDescriptor_hash(other_arg) == 1; bindings.SocketDescriptor_free(other_arg); return ret; }
+ @Override public long hash() { return 1; }
+ };
+ descriptor1.val = bindings.LDKSocketDescriptor_new(sock2);
+
+ long init_vec = bindings.PeerManager_new_outbound_connection(peer1.peer_manager, peer2.node_id, descriptor1.val);
+ assert(bindings.LDKCResult_CVec_u8ZPeerHandleErrorZ_result_ok(init_vec));
+
+ long con_res = bindings.PeerManager_new_inbound_connection(peer2.peer_manager, descriptor2);
+ assert(bindings.LDKCResult_NonePeerHandleErrorZ_result_ok(con_res));
+ bindings.CResult_NonePeerHandleErrorZ_free(con_res);
+ do_read_event(list, peer2.peer_manager, descriptor2, bindings.LDKCResult_CVec_u8ZPeerHandleErrorZ_get_ok(init_vec));
+ bindings.CResult_CVec_u8ZPeerHandleErrorZ_free(init_vec);
+
+ while (!list.isEmpty()) { list.poll().join(); }
+
+ long cc_res = bindings.ChannelManager_create_channel(peer1.chan_manager, peer2.node_id, 10000, 1000, 42, 0);
+ assert bindings.LDKCResult_NoneAPIErrorZ_result_ok(cc_res);
+ bindings.CResult_NoneAPIErrorZ_free(cc_res);
+
+ bindings.PeerManager_process_events(peer1.peer_manager);
+ while (!list.isEmpty()) { list.poll().join(); }
+ bindings.PeerManager_process_events(peer2.peer_manager);
+ while (!list.isEmpty()) { list.poll().join(); }
+
+ long events[] = bindings.EventsProvider_get_and_clear_pending_events(peer1.chan_manager_events);
+ assert events.length == 1;
+ bindings.LDKEvent event = bindings.LDKEvent_ref_from_ptr(events[0]);
+ assert event instanceof bindings.LDKEvent.FundingGenerationReady;
+ assert ((bindings.LDKEvent.FundingGenerationReady)event).channel_value_satoshis == 10000;
+ assert ((bindings.LDKEvent.FundingGenerationReady)event).user_channel_id == 42;
+ byte[] funding_spk = ((bindings.LDKEvent.FundingGenerationReady)event).output_script;
+ assert funding_spk.length == 34 && funding_spk[0] == 0 && funding_spk[1] == 32; // P2WSH
+ byte[] chan_id = ((bindings.LDKEvent.FundingGenerationReady)event).temporary_channel_id;
+ bindings.CVec_EventZ_free(events);
+
+ Transaction funding = new Transaction(NetworkParameters.fromID(NetworkParameters.ID_MAINNET));
+ funding.addInput(new TransactionInput(NetworkParameters.fromID(NetworkParameters.ID_MAINNET), funding, new byte[0]));
+ funding.getInputs().get(0).setWitness(new TransactionWitness(2)); // Make sure we don't complain about lack of witness
+ funding.getInput(0).getWitness().setPush(0, new byte[] {0x1});
+ funding.addOutput(Coin.SATOSHI.multiply(10000), new Script(funding_spk));
+ bindings.ChannelManager_funding_transaction_generated(peer1.chan_manager, chan_id, funding.bitcoinSerialize());
+
+ bindings.PeerManager_process_events(peer1.peer_manager);
+ while (!list.isEmpty()) { list.poll().join(); }
+ bindings.PeerManager_process_events(peer2.peer_manager);
+ while (!list.isEmpty()) { list.poll().join(); }
+
+ Block b = new Block(NetworkParameters.fromID(NetworkParameters.ID_MAINNET), 2, Sha256Hash.ZERO_HASH, Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[]{funding}));
+ peer1.connect_block(b, funding, 1);
+ peer2.connect_block(b, funding, 1);
+
+ for (int height = 2; height < 10; height++) {
+ b = new Block(NetworkParameters.fromID(NetworkParameters.ID_MAINNET), 2, b.getHash(), Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[0]));
+ peer1.connect_block(b, null, height);
+ peer2.connect_block(b, null, height);
+ }
+
+ bindings.PeerManager_process_events(peer1.peer_manager);
+ bindings.PeerManager_process_events(peer2.peer_manager);
+ while (!list.isEmpty()) { list.poll().join(); }
+
+ long[] peer1_chans = bindings.ChannelManager_list_channels(peer1.chan_manager);
+ long[] peer2_chans = bindings.ChannelManager_list_channels(peer2.chan_manager);
+ assert peer1_chans.length == 1;
+ assert peer2_chans.length == 1;
+ assert bindings.ChannelDetails_get_channel_value_satoshis(peer1_chans[0]) == 10000;
+ assert bindings.ChannelDetails_get_is_usable(peer1_chans[0]);
+ assert Arrays.equals(bindings.ChannelDetails_get_channel_id(peer1_chans[0]), funding.getTxId().getReversedBytes());
+ assert Arrays.equals(bindings.ChannelDetails_get_channel_id(peer2_chans[0]), funding.getTxId().getReversedBytes());
+ for (long chan : peer2_chans) bindings.ChannelDetails_free(chan);
+
+ long no_min_val = bindings.COption_u64Z_none();
+ long inbound_payment = bindings.ChannelManager_create_inbound_payment(peer2.chan_manager, no_min_val, 7200, 42);
+ bindings.COption_u64Z_free(no_min_val);
+ long netgraph = bindings.NetGraphMsgHandler_read_locked_graph(peer1.router);
+ long route = bindings.get_route(peer1.node_id, bindings.LockedNetworkGraph_graph(netgraph), peer2.node_id, 0L, peer1_chans,
+ new long[0], 1000, 42, peer1.logger);
+ for (long chan : peer1_chans) bindings.ChannelDetails_free(chan);
+ assert bindings.LDKCResult_RouteLightningErrorZ_result_ok(route);
+ bindings.LockedNetworkGraph_free(netgraph);
+ long payment_res = bindings.ChannelManager_send_payment(peer1.chan_manager, bindings.LDKCResult_RouteLightningErrorZ_get_ok(route),
+ bindings.LDKC2Tuple_PaymentHashPaymentSecretZ_get_a(inbound_payment), bindings.LDKC2Tuple_PaymentHashPaymentSecretZ_get_b(inbound_payment));
+ bindings.CResult_RouteLightningErrorZ_free(route);
+ bindings.C2Tuple_PaymentHashPaymentSecretZ_free(inbound_payment);
+ assert bindings.LDKCResult_NonePaymentSendFailureZ_result_ok(payment_res);
+ bindings.CResult_NonePaymentSendFailureZ_free(payment_res);
+
+ bindings.PeerManager_process_events(peer1.peer_manager);
+ while (!list.isEmpty()) { list.poll().join(); }
+ bindings.PeerManager_process_events(peer2.peer_manager);
+ while (!list.isEmpty()) { list.poll().join(); }
+ bindings.PeerManager_process_events(peer1.peer_manager);
+ while (!list.isEmpty()) { list.poll().join(); }
+
+ long[] peer2_events = bindings.EventsProvider_get_and_clear_pending_events(peer2.chan_manager_events);
+ assert peer2_events.length == 1;
+ bindings.LDKEvent forwardable = bindings.LDKEvent_ref_from_ptr(peer2_events[0]);
+ assert forwardable instanceof bindings.LDKEvent.PendingHTLCsForwardable;
+ bindings.CVec_EventZ_free(peer2_events);
+ bindings.ChannelManager_process_pending_htlc_forwards(peer2.chan_manager);
+
+ peer2_events = bindings.EventsProvider_get_and_clear_pending_events(peer2.chan_manager_events);
+ assert peer2_events.length == 1;
+ bindings.LDKEvent payment_recvd = bindings.LDKEvent_ref_from_ptr(peer2_events[0]);
+ assert payment_recvd instanceof bindings.LDKEvent.PaymentReceived;
+ assert bindings.ChannelManager_claim_funds(peer2.chan_manager, ((bindings.LDKEvent.PaymentReceived) payment_recvd).payment_preimage);
+ bindings.CVec_EventZ_free(peer2_events);
+
+ bindings.PeerManager_process_events(peer2.peer_manager);
+ while (!list.isEmpty()) { list.poll().join(); }
+ bindings.PeerManager_process_events(peer1.peer_manager);
+ while (!list.isEmpty()) { list.poll().join(); }
+
+ long[] peer1_events = bindings.EventsProvider_get_and_clear_pending_events(peer1.chan_manager_events);
+ assert peer1_events.length == 1;
+ bindings.LDKEvent sent = bindings.LDKEvent_ref_from_ptr(peer1_events[0]);
+ assert sent instanceof bindings.LDKEvent.PaymentSent;
+ bindings.CVec_EventZ_free(peer1_events);
+
+ peer1.free();
+ peer2.free();
+ bindings.SocketDescriptor_free(descriptor2);
+ bindings.SocketDescriptor_free(descriptor1.val);
}
}
projects / ldk-java / blobdiff