package org.ldk;
+import org.bitcoinj.core.*;
+import org.bitcoinj.script.Script;
import org.junit.jupiter.api.Test;
import org.ldk.impl.bindings;
+import org.ldk.enums.*;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentLinkedQueue;
public class PeerTest {
- @Test
- void test_message_handler() {
- long logger = bindings.LDKLogger_new((String arg)-> System.out.println(arg));
+ 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<byte[], Long> monitors;
- long fee_estimator = bindings.LDKFeeEstimator_new(new bindings.LDKFeeEstimator() {
- @Override
- public int get_est_sat_per_1000_weight(bindings.LDKConfirmationTarget confirmation_target) {
- return 0;
- }
- });
- long tx_broadcaster = bindings.LDKBroadcasterInterface_new(new bindings.LDKBroadcasterInterface() {
- @Override
- public void broadcast_transaction(long tx) {
+ Peer(byte seed) {
+ logger = bindings.LDKLogger_new((String arg)-> System.out.println(seed + ": " + arg));
+ this.fee_estimator = bindings.LDKFeeEstimator_new(confirmation_target -> 0);
+ this.tx_broadcaster = bindings.LDKBroadcasterInterface_new(tx -> {
// We should broadcast
+ });
+ this.monitors = new HashMap<>();
+ this.chain_monitor = bindings.LDKWatch_new(new bindings.LDKWatch() {
+ @Override
+ public long watch_channel(long funding_txo, long monitor) {
+ synchronized (monitors) {
+ assert monitors.put(bindings.OutPoint_get_txid(funding_txo), monitor) == null;
+ }
+ bindings.OutPoint_free(funding_txo);
+ return bindings.CResult_NoneChannelMonitorUpdateErrZ_ok();
+ }
+
+ @Override
+ public long update_channel(long funding_txo, long update) {
+ synchronized (monitors) {
+ bindings.ChannelMonitor_update_monitor(monitors.get(bindings.OutPoint_get_txid(funding_txo)), update, tx_broadcaster, logger);
+ }
+ bindings.OutPoint_free(funding_txo);
+ bindings.ChannelMonitorUpdate_free(update);
+ return bindings.CResult_NoneChannelMonitorUpdateErrZ_ok();
+ }
+
+ @Override
+ public long release_pending_monitor_events() {
+ return bindings.new_empty_slice_vec();
+ }
+ });
+
+ 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, LDKNetwork.LDKNetwork_Bitcoin, System.currentTimeMillis() / 1000, (int)(System.currentTimeMillis() * 1000) & 0xffffffff);
+ this.keys_interface = bindings.KeysManager_as_KeysInterface(keys);
+ this.config = bindings.UserConfig_default();
+ this.chan_manager = bindings.ChannelManager_new(LDKNetwork.LDKNetwork_Bitcoin, fee_estimator, chain_monitor, tx_broadcaster, logger, keys_interface, config, 1);
+ this.chan_manager_events = bindings.ChannelManager_as_EventsProvider(chan_manager);
+
+ this.chan_handler = bindings.ChannelManager_as_ChannelMessageHandler(chan_manager);
+ this.router = bindings.NetGraphMsgHandler_new(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.LDKKeysInterface_call_get_node_secret(keys_interface), random_data, logger);
+ }
+
+ void connect_block(Block b, Transaction t) {
+ byte[] header = b.bitcoinSerialize();
+ long txn = bindings.LDKCVecTempl_C2TupleTempl_usize__Transaction_new(
+ new long[] {bindings.C2Tuple_usizeTransactionZ_new(1, bindings.new_txpointer_copy_data(t.bitcoinSerialize()))});
+ bindings.ChannelManager_block_connected(chan_manager, header, txn, 1);
+ synchronized (monitors) {
+ for (Long mon : monitors.values()) {
+ txn = bindings.LDKCVecTempl_C2TupleTempl_usize__Transaction_new(
+ new long[] {bindings.C2Tuple_usizeTransactionZ_new(1, bindings.new_txpointer_copy_data(t.bitcoinSerialize()))});
+ long ret = bindings.ChannelMonitor_block_connected(mon, header, txn, 1, tx_broadcaster, fee_estimator, logger);
+ bindings.CVec_C2Tuple_TxidCVec_TxOutZZZ_free(ret);
+ }
}
- });
- long chain_monitor = bindings.LDKWatch_new(new bindings.LDKWatch() {
- @Override
- public long watch_channel(long funding_txo, long monitor) {
- return 0;
+ }
+
+ 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.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);
+ }
}
+ }
+ }
+
+ class LongHolder { long val; }
+ byte[] do_read_event(ConcurrentLinkedQueue<Thread> list, long pm, long descriptor, long data) {
+ byte[] arr = bindings.get_u8_slice_bytes(data);
+ Thread thread = new Thread(() -> {
+ long arr_vec = bindings.bytes_to_u8_vec(arr);
+ long res = bindings.PeerManager_read_event(pm, descriptor, arr_vec);
+ assert bindings.LDKCResult_boolPeerHandleErrorZ_result_ok(res);
+ //assert bindings.deref_bool(bindings.LDKCResult_boolPeerHandleErrorZ_get_inner(res));
+ bindings.CResult_boolPeerHandleErrorZ_free(res);
+ bindings.CVec_u8Z_free(arr_vec);
+ });
+ thread.start();
+ list.add(thread);
+ return arr;
+ }
+
+ @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;
+ long descriptor2 = bindings.LDKSocketDescriptor_new(new bindings.LDKSocketDescriptor() {
@Override
- public long update_channel(long funding_txo, long update) {
- return 0;
+ public long send_data(long data, boolean resume_read) {
+ return do_read_event(list, peer1.peer_manager, descriptor1ref.val, data).length;
}
+ @Override public void disconnect_socket() { assert false; }
+ @Override public boolean eq(long other_arg) { return bindings.LDKSocketDescriptor_get_obj_from_jcalls(other_arg).hash() == 2; }
+ @Override public long hash() { return 2; }
+ });
+
+ descriptor1.val = bindings.LDKSocketDescriptor_new(new bindings.LDKSocketDescriptor() {
@Override
- public long release_pending_monitor_events() {
- return 0;
+ public long send_data(long data, boolean resume_read) {
+ return do_read_event(list, peer2.peer_manager, descriptor2, data).length;
}
+
+ @Override public void disconnect_socket() { assert false; }
+ @Override public boolean eq(long other_arg) { return bindings.LDKSocketDescriptor_get_obj_from_jcalls(other_arg).hash() == 1; }
+ @Override public long hash() { return 1; }
});
- byte[] key_seed = new byte[32];
- for (byte i = 0; i < 32; i++) { key_seed[i] = i; }
- long keys = bindings.KeysManager_new(key_seed, bindings.LDKNetwork.LDKNetwork_Bitcoin, System.currentTimeMillis() / 1000, (int)(System.currentTimeMillis() * 1000) & 0xffffffff);
- long keys_interface = bindings.KeysManager_as_KeysInterface(keys);
- long config = bindings.UserConfig_default();
- long chan_manager = bindings.ChannelManager_new(bindings.LDKNetwork.LDKNetwork_Bitcoin, fee_estimator, chain_monitor, tx_broadcaster, logger, keys_interface, config, 1);
-
- long chan_handler = bindings.ChannelManager_as_ChannelMessageHandler(chan_manager);
- long router = bindings.NetGraphMsgHandler_new(0, logger);
- long route_handler = bindings.NetGraphMsgHandler_as_RoutingMessageHandler(router);
- 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.FeeEstimator_free(fee_estimator);
- bindings.BroadcasterInterface_free(tx_broadcaster);
- bindings.Watch_free(chain_monitor);
- bindings.KeysManager_free(keys);
- bindings.KeysInterface_free(keys_interface);
- bindings.ChannelManager_free(chan_manager);
- bindings.ChannelMessageHandler_free(chan_handler);
- bindings.NetGraphMsgHandler_free(router);
- bindings.RoutingMessageHandler_free(route_handler);
- //bindings.MessageHandler_free(message_handler);
- bindings.PeerManager_free(peer_manager);
+
+ long init_vec = bindings.PeerManager_new_outbound_connection(peer1.peer_manager, bindings.ChannelManager_get_our_node_id(peer2.chan_manager), 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_inner(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, bindings.ChannelManager_get_our_node_id(peer2.chan_manager), 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.LDKEventsProvider_call_get_and_clear_pending_events(peer1.chan_manager_events);
+ bindings.VecOrSliceDef events_arr_info = bindings.LDKCVecTempl_Event_arr_info(events);
+ assert events_arr_info.datalen == 1;
+ bindings.LDKEvent event = bindings.LDKEvent_ref_from_ptr(events_arr_info.dataptr);
+ 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.get_u8_slice_bytes(((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.addOutput(Coin.SATOSHI.multiply(10000), new Script(funding_spk));
+ bindings.ChannelManager_funding_transaction_generated(peer1.chan_manager, chan_id, bindings.OutPoint_new(funding.getTxId().getBytes(), (short) 0));
+
+ 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(); }
+
+ events = bindings.LDKEventsProvider_call_get_and_clear_pending_events(peer1.chan_manager_events);
+ events_arr_info = bindings.LDKCVecTempl_Event_arr_info(events);
+ assert events_arr_info.datalen == 1;
+ event = bindings.LDKEvent_ref_from_ptr(events_arr_info.dataptr);
+ assert event instanceof bindings.LDKEvent.FundingBroadcastSafe;
+ bindings.CVec_EventZ_free(events);
+
+ 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);
+ peer2.connect_block(b, funding);
+
+ long peer1_chans = bindings.ChannelManager_list_channels(peer1.chan_manager);
+ long peer2_chans = bindings.ChannelManager_list_channels(peer2.chan_manager);
+ assert bindings.vec_slice_len(peer1_chans) == 1;
+ assert bindings.vec_slice_len(peer2_chans) == 1;
+ long[] peer_1_chan_info = bindings.LDKCVecTempl_ChannelDetails_arr_info(peer1_chans);
+ assert peer_1_chan_info.length == 1;
+ assert bindings.ChannelDetails_get_channel_value_satoshis(peer_1_chan_info[0]) == 10000;
+ assert !bindings.ChannelDetails_get_is_live(peer_1_chan_info[0]);
+ assert Arrays.equals(bindings.ChannelDetails_get_channel_id(peer_1_chan_info[0]), funding.getTxId().getBytes());
+ assert Arrays.equals(bindings.ChannelDetails_get_channel_id(bindings.LDKCVecTempl_ChannelDetails_arr_info(peer2_chans)[0]), funding.getTxId().getBytes());
+ bindings.CVec_ChannelDetailsZ_free(peer1_chans);
+ bindings.CVec_ChannelDetailsZ_free(peer2_chans);
+
+ peer1.free();
+ peer2.free();
+ bindings.SocketDescriptor_free(descriptor2);
+ bindings.SocketDescriptor_free(descriptor1.val);
}
}
projects / ldk-java / blobdiff