+++ /dev/null
-package org.ldk;
-
-import org.bitcoinj.core.*;
-import org.bitcoinj.script.Script;
-import org.junit.jupiter.api.Test;
-import org.ldk.enums.ChannelMonitorUpdateStatus;
-import org.ldk.enums.Network;
-import org.ldk.enums.Recipient;
-import org.ldk.impl.bindings;
-import org.ldk.util.UInt128;
-
-import java.lang.ref.Reference;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.LinkedList;
-import java.util.concurrent.ConcurrentHashMap;
-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 router_wrapper;
- final long route_handler;
- final long message_handler;
- final long ignoring_message_handler;
- final long custom_message_handler;
- final long onion_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;
-
- Peer(byte seed) {
- this.log_trait = (long arg) -> {
- System.out.println(seed + ": " + bindings.Record_get_args(arg));
- bindings.Record_free(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.tx_broadcaster = bindings.LDKBroadcasterInterface_new(this.broad_trait);
- this.monitors = new HashMap<>();
- this.watcher = new bindings.LDKWatch() {
- @Override
- public ChannelMonitorUpdateStatus 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);
- return ChannelMonitorUpdateStatus.LDKChannelMonitorUpdateStatus_Completed;
- }
-
- @Override
- public ChannelMonitorUpdateStatus 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.CResult_NoneNoneZ_is_ok(update_res);
- bindings.CResult_NoneNoneZ_free(update_res);
- }
- bindings.OutPoint_free(funding_txo);
- bindings.ChannelMonitorUpdate_free(update);
- return ChannelMonitorUpdateStatus.LDKChannelMonitorUpdateStatus_Completed;
- }
-
- @Override
- public long[] release_pending_monitor_events() {
- synchronized (monitors) {
- assert monitors.size() <= 1;
- for (Long mon : monitors.values()) {
- long funding_info = bindings.ChannelMonitor_get_funding_txo(mon);
- long funding_txo = bindings.C2Tuple_OutPointScriptZ_get_a(funding_info);
- long[] mon_events = bindings.ChannelMonitor_get_and_clear_pending_monitor_events(mon);
- byte[] counterparty_pk = bindings.ChannelMonitor_get_counterparty_node_id(mon);
- long funding_mon_tuple = bindings.C3Tuple_OutPointCVec_MonitorEventZPublicKeyZ_new(funding_txo, mon_events, counterparty_pk);
- bindings.C2Tuple_OutPointScriptZ_free(funding_info);
- return new long[] {funding_mon_tuple};
- }
- }
- 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(Network.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.NetworkGraph_new(new byte[32], logger);
- this.router_wrapper = bindings.P2PGossipSync_new(router, bindings.COption_AccessZ_none(), logger);
- this.route_handler = bindings.P2PGossipSync_as_RoutingMessageHandler(router_wrapper);
- this.ignoring_message_handler = bindings.IgnoringMessageHandler_new();
- this.custom_message_handler = bindings.IgnoringMessageHandler_as_CustomMessageHandler(this.ignoring_message_handler);
- this.onion_message_handler = bindings.IgnoringMessageHandler_as_OnionMessageHandler(this.ignoring_message_handler);
- this.message_handler = bindings.MessageHandler_new(chan_handler, route_handler, this.onion_message_handler);
-
- byte[] random_data = new byte[32];
- for (byte i = 0; i < 32; i++) { random_data[i] = (byte) ((i ^ seed) ^ 0xf0); }
-
- long node_id_result = bindings.KeysInterface_get_node_secret(keys_interface, Recipient.LDKRecipient_Node);
- assert bindings.CResult_SecretKeyNoneZ_is_ok(node_id_result);
- this.peer_manager = bindings.PeerManager_new(message_handler, bindings.CResult_SecretKeyNoneZ_get_ok(node_id_result),
- (int)(System.currentTimeMillis() / 1000), random_data, logger, this.custom_message_handler);
- bindings.CResult_SecretKeyNoneZ_free(node_id_result);
- }
-
- 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);
- }
- }
- }
- }
-
- 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.NetworkGraph_free(router);
- bindings.P2PGossipSync_free(router_wrapper);
- bindings.RoutingMessageHandler_free(route_handler);
- bindings.CustomMessageHandler_free(custom_message_handler);
- bindings.OnionMessageHandler_free(onion_message_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; }
- class PendingWrite {
- long pm;
- long descriptor;
- byte[] array;
- PendingWrite(long pm, long descriptor, byte[] array) { this.pm = pm; this.descriptor = descriptor; this.array = array; }
- void process() {
- long res = bindings.PeerManager_read_event(pm, descriptor, array);
- assert bindings.CResult_boolPeerHandleErrorZ_is_ok(res);
- assert !bindings.CResult_boolPeerHandleErrorZ_get_ok(res);
- bindings.CResult_boolPeerHandleErrorZ_free(res);
- }
- }
- ConcurrentLinkedQueue<PendingWrite> pending_writes = new ConcurrentLinkedQueue<>();
-
- void do_read_event(ConcurrentLinkedQueue<Thread> list, long pm, long descriptor, byte[] arr) {
- pending_writes.add(new PendingWrite(pm, descriptor, arr));
- Thread thread = new Thread(() -> {
- synchronized (pending_writes) {
- while (true) {
- PendingWrite write = pending_writes.poll();
- if (write == null) break;
- write.process();
- }
- }
- });
- thread.start();
- list.add(thread);
- }
-
- void deliver_peer_messages(ConcurrentLinkedQueue<Thread> list, long peer1, long peer2) throws InterruptedException {
- bindings.PeerManager_process_events(peer1);
- bindings.PeerManager_process_events(peer2);
- while (!list.isEmpty()) {
- list.poll().join();
- bindings.PeerManager_process_events(peer1);
- bindings.PeerManager_process_events(peer2);
- }
- }
-
- @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 long send_data(byte[] data, boolean resume_read) {
- do_read_event(list, peer1.peer_manager, descriptor1ref.val, data);
- return data.length;
- }
-
- @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 long send_data(byte[] data, boolean resume_read) {
- do_read_event(list, peer2.peer_manager, descriptor2, data);
- return data.length;
- }
-
- @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 no_netaddr = bindings.COption_NetAddressZ_none();
- long init_vec = bindings.PeerManager_new_outbound_connection(peer1.peer_manager, peer2.node_id, descriptor1.val, no_netaddr);
- assert(bindings.CResult_CVec_u8ZPeerHandleErrorZ_is_ok(init_vec));
-
- long con_res = bindings.PeerManager_new_inbound_connection(peer2.peer_manager, descriptor2, no_netaddr);
- assert(bindings.CResult_NonePeerHandleErrorZ_is_ok(con_res));
- bindings.CResult_NonePeerHandleErrorZ_free(con_res);
- do_read_event(list, peer2.peer_manager, descriptor2, bindings.CResult_CVec_u8ZPeerHandleErrorZ_get_ok(init_vec));
- bindings.CResult_CVec_u8ZPeerHandleErrorZ_free(init_vec);
- bindings.COption_NetAddressZ_free(no_netaddr);
-
- deliver_peer_messages(list, peer1.peer_manager, peer2.peer_manager);
-
- byte[] user_id = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
-
- long cc_res = bindings.ChannelManager_create_channel(peer1.chan_manager, peer2.node_id, 10000, 1000, user_id, 0);
- assert bindings.CResult_NoneAPIErrorZ_is_ok(cc_res);
- bindings.CResult_NoneAPIErrorZ_free(cc_res);
-
- deliver_peer_messages(list, peer1.peer_manager, peer2.peer_manager);
-
- ArrayList<Long> events = new ArrayList();
- bindings.LDKEventHandler events_adder = events::add;
- long handler = bindings.LDKEventHandler_new(events_adder);
-
- bindings.EventsProvider_process_pending_events(peer1.chan_manager_events, handler);
- assert events.size() == 1;
- bindings.LDKEvent event = bindings.LDKEvent_ref_from_ptr(events.get(0));
- assert event instanceof bindings.LDKEvent.FundingGenerationReady;
- assert ((bindings.LDKEvent.FundingGenerationReady)event).channel_value_satoshis == 10000;
- assert Arrays.equals(((bindings.LDKEvent.FundingGenerationReady)event).user_channel_id, user_id);
- 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.Event_free(events.remove(0));
-
- 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, peer2.node_id, funding.bitcoinSerialize());
-
- deliver_peer_messages(list, peer1.peer_manager, peer2.peer_manager);
-
- 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);
- }
-
- deliver_peer_messages(list, peer1.peer_manager, peer2.peer_manager);
-
- 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);
-
- bindings.EventsProvider_process_pending_events(peer1.chan_manager_events, handler);
- assert events.size() == 1;
- bindings.LDKEvent ready1 = bindings.LDKEvent_ref_from_ptr(events.get(0));
- assert ready1 instanceof bindings.LDKEvent.ChannelReady;
- bindings.Event_free(events.remove(0));
-
- bindings.EventsProvider_process_pending_events(peer2.chan_manager_events, handler);
- assert events.size() == 1;
- bindings.LDKEvent ready2 = bindings.LDKEvent_ref_from_ptr(events.get(0));
- assert ready2 instanceof bindings.LDKEvent.ChannelReady;
- bindings.Event_free(events.remove(0));
-
- long no_min_val = bindings.COption_u64Z_none();
- long inbound_payment = bindings.ChannelManager_create_inbound_payment(peer2.chan_manager, no_min_val, 7200);
- assert bindings.CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_is_ok(inbound_payment);
- long payment_tuple = bindings.CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_get_ok(inbound_payment);
- bindings.COption_u64Z_free(no_min_val);
-
- long scorer = bindings.ProbabilisticScorer_new(bindings.ProbabilisticScoringParameters_default(), peer1.router, peer1.logger);
- long scorer_interface = bindings.ProbabilisticScorer_as_Score(scorer);
-
- long no_u64 = bindings.COption_u64Z_none();
- long invoice_features = bindings.InvoiceFeatures_empty();
- bindings.InvoiceFeatures_set_payment_secret_required(invoice_features);
- bindings.InvoiceFeatures_set_variable_length_onion_required(invoice_features);
- long payee = bindings.PaymentParameters_new(peer2.node_id, invoice_features, new long[0], no_u64, 6*24*14, (byte)1, (byte)1, new long[0]);
- bindings.InvoiceFeatures_free(invoice_features);
- bindings.COption_u64Z_free(no_u64);
- long route_params = bindings.RouteParameters_new(payee, 1000, 42);
- long route = bindings.find_route(peer1.node_id, route_params, peer1.router, peer1_chans, peer1.logger,
- scorer_interface, new byte[32]);
- bindings.RouteParameters_free(route_params);
- bindings.PaymentParameters_free(payee);
- bindings.Score_free(scorer_interface);
- bindings.ProbabilisticScorer_free(scorer);
-
- for (long chan : peer1_chans) bindings.ChannelDetails_free(chan);
- assert bindings.CResult_RouteLightningErrorZ_is_ok(route);
- long payment_res = bindings.ChannelManager_send_payment(peer1.chan_manager, bindings.CResult_RouteLightningErrorZ_get_ok(route),
- bindings.C2Tuple_PaymentHashPaymentSecretZ_get_a(payment_tuple),
- bindings.C2Tuple_PaymentHashPaymentSecretZ_get_b(payment_tuple), new byte[32]);
- bindings.CResult_RouteLightningErrorZ_free(route);
- bindings.CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ_is_ok(inbound_payment);
- assert bindings.CResult_NonePaymentSendFailureZ_is_ok(payment_res);
- bindings.CResult_NonePaymentSendFailureZ_free(payment_res);
-
- deliver_peer_messages(list, peer1.peer_manager, peer2.peer_manager);
-
- bindings.EventsProvider_process_pending_events(peer2.chan_manager_events, handler);
- assert events.size() == 1;
- bindings.LDKEvent forwardable = bindings.LDKEvent_ref_from_ptr(events.get(0));
- assert forwardable instanceof bindings.LDKEvent.PendingHTLCsForwardable;
- bindings.Event_free(events.remove(0));
- bindings.ChannelManager_process_pending_htlc_forwards(peer2.chan_manager);
-
- bindings.EventsProvider_process_pending_events(peer2.chan_manager_events, handler);
- assert events.size() == 1;
- bindings.LDKEvent payment_recvd = bindings.LDKEvent_ref_from_ptr(events.get(0));
- assert payment_recvd instanceof bindings.LDKEvent.PaymentClaimable;
- bindings.LDKPaymentPurpose purpose = bindings.LDKPaymentPurpose_ref_from_ptr(((bindings.LDKEvent.PaymentClaimable) payment_recvd).purpose);
- assert purpose instanceof bindings.LDKPaymentPurpose.InvoicePayment;
- bindings.ChannelManager_claim_funds(peer2.chan_manager, ((bindings.LDKPaymentPurpose.InvoicePayment) purpose).payment_preimage);
- bindings.Event_free(events.remove(0));
-
- bindings.EventsProvider_process_pending_events(peer2.chan_manager_events, handler);
- assert events.size() == 1;
- bindings.LDKEvent payment_claimed = bindings.LDKEvent_ref_from_ptr(events.get(0));
- assert payment_claimed instanceof bindings.LDKEvent.PaymentClaimed;
- bindings.Event_free(events.remove(0));
-
- deliver_peer_messages(list, peer1.peer_manager, peer2.peer_manager);
-
- bindings.EventsProvider_process_pending_events(peer1.chan_manager_events, handler);
- assert events.size() == 2;
- bindings.LDKEvent sent = bindings.LDKEvent_ref_from_ptr(events.get(0));
- assert sent instanceof bindings.LDKEvent.PaymentSent;
- bindings.Event_free(events.remove(0));
- bindings.LDKEvent sent_path = bindings.LDKEvent_ref_from_ptr(events.get(0));
- assert sent_path instanceof bindings.LDKEvent.PaymentPathSuccessful;
- bindings.Event_free(events.remove(0));
- Reference.reachabilityFence(events_adder);
-
- bindings.EventHandler_free(handler);
-
- peer1.free();
- peer2.free();
- bindings.SocketDescriptor_free(descriptor2);
- bindings.SocketDescriptor_free(descriptor1.val);
- }
-}
projects / ldk-java / blobdiff