_ Git - ldk-java/blob - src/test/java/org/ldk/PeerTest.java

   1 package org.ldk;
   2
   3 import org.junit.jupiter.api.Test;
   4 import org.ldk.impl.bindings;
   5
   6 import java.util.concurrent.ConcurrentLinkedQueue;
   7
   8 public class PeerTest {
   9     class Peer {
  10         final long logger;
  11         final long fee_estimator;
  12         final long tx_broadcaster;
  13         final long chain_monitor;
  14         final long keys;
  15         final long keys_interface;
  16         final long config;
  17         final long chan_manager;
  18         final long chan_handler;
  19         final long router;
  20         final long route_handler;
  21         final long message_handler;
  22         final long peer_manager;
  23
  24         Peer(byte seed) {
  25             logger = bindings.LDKLogger_new((String arg)-> System.out.println(seed + ": " + arg));
  26             this.fee_estimator = bindings.LDKFeeEstimator_new(confirmation_target -> 0);
  27             this.tx_broadcaster = bindings.LDKBroadcasterInterface_new(tx -> {
  28                 // We should broadcast
  29             });
  30             this.chain_monitor = bindings.LDKWatch_new(new bindings.LDKWatch() {
  31                 @Override
  32                 public long watch_channel(long funding_txo, long monitor) {
  33                     return bindings.CResult_NoneChannelMonitorUpdateErrZ_ok();
  34                 }
  35
  36                 @Override
  37                 public long update_channel(long funding_txo, long update) {
  38                     return bindings.CResult_NoneChannelMonitorUpdateErrZ_ok();
  39                 }
  40
  41                 @Override
  42                 public long release_pending_monitor_events() {
  43                     return bindings.new_empty_slice_vec();
  44                 }
  45             });
  46
  47             byte[] key_seed = new byte[32];
  48             for (byte i = 0; i < 32; i++) { key_seed[i] = (byte) (i ^ seed); }
  49             this.keys = bindings.KeysManager_new(key_seed, bindings.LDKNetwork.LDKNetwork_Bitcoin, System.currentTimeMillis() / 1000, (int)(System.currentTimeMillis() * 1000) & 0xffffffff);
  50             this.keys_interface = bindings.KeysManager_as_KeysInterface(keys);
  51             this.config = bindings.UserConfig_default();
  52             this.chan_manager = bindings.ChannelManager_new(bindings.LDKNetwork.LDKNetwork_Bitcoin, fee_estimator, chain_monitor, tx_broadcaster, logger, keys_interface, config, 1);
  53
  54             this.chan_handler = bindings.ChannelManager_as_ChannelMessageHandler(chan_manager);
  55             this.router = bindings.NetGraphMsgHandler_new(0, logger);
  56             this.route_handler = bindings.NetGraphMsgHandler_as_RoutingMessageHandler(router);
  57             this.message_handler = bindings.MessageHandler_new(chan_handler, route_handler);
  58
  59             byte[] random_data = new byte[32];
  60             for (byte i = 0; i < 32; i++) { random_data[i] = (byte) ((i ^ seed) ^ 0xf0); }
  61             this.peer_manager = bindings.PeerManager_new(message_handler, bindings.LDKKeysInterface_call_get_node_secret(keys_interface), random_data, logger);
  62         }
  63
  64         void free() {
  65             // Note that we can't rely on finalizer order, so don't bother trying to rely on it here
  66             bindings.Logger_free(logger);
  67             bindings.FeeEstimator_free(fee_estimator);
  68             bindings.BroadcasterInterface_free(tx_broadcaster);
  69             bindings.Watch_free(chain_monitor);
  70             bindings.KeysManager_free(keys);
  71             bindings.KeysInterface_free(keys_interface);
  72             bindings.ChannelManager_free(chan_manager);
  73             bindings.ChannelMessageHandler_free(chan_handler);
  74             bindings.NetGraphMsgHandler_free(router);
  75             bindings.RoutingMessageHandler_free(route_handler);
  76             //MessageHandler was actually moved into the route_handler!: bindings.MessageHandler_free(message_handler);
  77             bindings.PeerManager_free(peer_manager);
  78         }
  79     }
  80
  81     class LongHolder { long val; }
  82
  83     byte[] do_read_event(ConcurrentLinkedQueue<Thread> list, long pm, long descriptor, long data) {
  84         byte[] arr = bindings.get_u8_slice_bytes(data);
  85         Thread thread = new Thread(() -> {
  86             long arr_vec = bindings.bytes_to_u8_vec(arr);
  87             long res = bindings.PeerManager_read_event(pm, descriptor, arr_vec);
  88             assert bindings.LDKCResult_boolPeerHandleErrorZ_result_ok(res);
  89             //assert bindings.deref_bool(bindings.LDKCResult_boolPeerHandleErrorZ_get_inner(res));
  90             bindings.CResult_boolPeerHandleErrorZ_free(res);
  91             bindings.free_heap_ptr(arr_vec);
  92         });
  93         thread.start();
  94         list.add(thread);
  95         return arr;
  96     }
  97
  98     @Test
  99     void test_message_handler() throws InterruptedException {
 100         Peer peer1 = new Peer((byte) 1);
 101         Peer peer2 = new Peer((byte) 2);
 102
 103         ConcurrentLinkedQueue<Thread> list = new ConcurrentLinkedQueue<Thread>();
 104         LongHolder descriptor1 = new LongHolder();
 105         LongHolder descriptor1ref = descriptor1;
 106         long descriptor2 = bindings.LDKSocketDescriptor_new(new bindings.LDKSocketDescriptor() {
 107             @Override
 108             public long send_data(long data, boolean resume_read) {
 109                 return do_read_event(list, peer1.peer_manager, descriptor1ref.val, data).length;
 110             }
 111
 112             @Override public void disconnect_socket() { assert false; }
 113             @Override public boolean eq(long other_arg) { return bindings.LDKSocketDescriptor_get_obj_from_jcalls(other_arg).hash() == 2; }
 114             @Override public long hash() { return 2; }
 115         });
 116
 117         descriptor1.val = bindings.LDKSocketDescriptor_new(new bindings.LDKSocketDescriptor() {
 118             @Override
 119             public long send_data(long data, boolean resume_read) {
 120                 return do_read_event(list, peer2.peer_manager, descriptor2, data).length;
 121             }
 122
 123             @Override public void disconnect_socket() { assert false; }
 124             @Override public boolean eq(long other_arg) { return bindings.LDKSocketDescriptor_get_obj_from_jcalls(other_arg).hash() == 1; }
 125             @Override public long hash() { return 1; }
 126         });
 127
 128         long init_vec = bindings.PeerManager_new_outbound_connection(peer1.peer_manager, bindings.ChannelManager_get_our_node_id(peer2.chan_manager), descriptor1.val);
 129         assert(bindings.LDKCResult_CVec_u8ZPeerHandleErrorZ_result_ok(init_vec));
 130
 131         long con_res = bindings.PeerManager_new_inbound_connection(peer2.peer_manager, descriptor2);
 132         assert(bindings.LDKCResult_NonePeerHandleErrorZ_result_ok(con_res));
 133         bindings.CResult_NonePeerHandleErrorZ_free(con_res);
 134         do_read_event(list, peer2.peer_manager, descriptor2, bindings.LDKCResult_CVec_u8ZPeerHandleErrorZ_get_inner(init_vec));
 135         bindings.CResult_CVec_u8ZPeerHandleErrorZ_free(init_vec);
 136
 137         while (!list.isEmpty()) { list.poll().join(); }
 138
 139         long cc_res = bindings.ChannelManager_create_channel(peer1.chan_manager, bindings.ChannelManager_get_our_node_id(peer2.chan_manager), 10000, 1000, 0, bindings.LDKUserConfig_optional_none());
 140         assert bindings.LDKCResult_NoneAPIErrorZ_result_ok(cc_res);
 141         bindings.CResult_NoneAPIErrorZ_free(cc_res);
 142
 143         bindings.PeerManager_process_events(peer1.peer_manager);
 144         while (!list.isEmpty()) { list.poll().join(); }
 145         bindings.PeerManager_process_events(peer2.peer_manager);
 146         while (!list.isEmpty()) { list.poll().join(); }
 147
 148         long peer1_chans = bindings.ChannelManager_list_channels(peer1.chan_manager);
 149         long peer2_chans = bindings.ChannelManager_list_channels(peer2.chan_manager);
 150         assert bindings.vec_slice_len(peer1_chans) == 1;
 151         assert bindings.vec_slice_len(peer2_chans) == 1;
 152         bindings.CVec_ChannelDetailsZ_free(peer1_chans);
 153         bindings.CVec_ChannelDetailsZ_free(peer2_chans);
 154
 155         peer1.free();
 156         peer2.free();
 157         bindings.SocketDescriptor_free(descriptor2);
 158         bindings.SocketDescriptor_free(descriptor1.val);
 159     }
 160 }