_ 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_manager_events;
  19         final long chan_handler;
  20         final long router;
  21         final long route_handler;
  22         final long message_handler;
  23         final long peer_manager;
  24
  25         Peer(byte seed) {
  26             logger = bindings.LDKLogger_new((String arg)-> System.out.println(seed + ": " + arg));
  27             this.fee_estimator = bindings.LDKFeeEstimator_new(confirmation_target -> 0);
  28             this.tx_broadcaster = bindings.LDKBroadcasterInterface_new(tx -> {
  29                 // We should broadcast
  30             });
  31             this.chain_monitor = bindings.LDKWatch_new(new bindings.LDKWatch() {
  32                 @Override
  33                 public long watch_channel(long funding_txo, long monitor) {
  34                     return bindings.CResult_NoneChannelMonitorUpdateErrZ_ok();
  35                 }
  36
  37                 @Override
  38                 public long update_channel(long funding_txo, long update) {
  39                     return bindings.CResult_NoneChannelMonitorUpdateErrZ_ok();
  40                 }
  41
  42                 @Override
  43                 public long release_pending_monitor_events() {
  44                     return bindings.new_empty_slice_vec();
  45                 }
  46             });
  47
  48             byte[] key_seed = new byte[32];
  49             for (byte i = 0; i < 32; i++) { key_seed[i] = (byte) (i ^ seed); }
  50             this.keys = bindings.KeysManager_new(key_seed, bindings.LDKNetwork.LDKNetwork_Bitcoin, System.currentTimeMillis() / 1000, (int)(System.currentTimeMillis() * 1000) & 0xffffffff);
  51             this.keys_interface = bindings.KeysManager_as_KeysInterface(keys);
  52             this.config = bindings.UserConfig_default();
  53             this.chan_manager = bindings.ChannelManager_new(bindings.LDKNetwork.LDKNetwork_Bitcoin, fee_estimator, chain_monitor, tx_broadcaster, logger, keys_interface, config, 1);
  54             this.chan_manager_events = bindings.ChannelManager_as_EventsProvider(chan_manager);
  55
  56             this.chan_handler = bindings.ChannelManager_as_ChannelMessageHandler(chan_manager);
  57             this.router = bindings.NetGraphMsgHandler_new(0, logger);
  58             this.route_handler = bindings.NetGraphMsgHandler_as_RoutingMessageHandler(router);
  59             this.message_handler = bindings.MessageHandler_new(chan_handler, route_handler);
  60
  61             byte[] random_data = new byte[32];
  62             for (byte i = 0; i < 32; i++) { random_data[i] = (byte) ((i ^ seed) ^ 0xf0); }
  63             this.peer_manager = bindings.PeerManager_new(message_handler, bindings.LDKKeysInterface_call_get_node_secret(keys_interface), random_data, logger);
  64         }
  65
  66         void free() {
  67             // Note that we can't rely on finalizer order, so don't bother trying to rely on it here
  68             bindings.Logger_free(logger);
  69             bindings.FeeEstimator_free(fee_estimator);
  70             bindings.BroadcasterInterface_free(tx_broadcaster);
  71             bindings.Watch_free(chain_monitor);
  72             bindings.KeysManager_free(keys);
  73             bindings.KeysInterface_free(keys_interface);
  74             bindings.ChannelManager_free(chan_manager);
  75             bindings.EventsProvider_free(chan_manager_events);
  76             bindings.ChannelMessageHandler_free(chan_handler);
  77             bindings.NetGraphMsgHandler_free(router);
  78             bindings.RoutingMessageHandler_free(route_handler);
  79             //MessageHandler was actually moved into the route_handler!: bindings.MessageHandler_free(message_handler);
  80             bindings.PeerManager_free(peer_manager);
  81         }
  82     }
  83
  84     class LongHolder { long val; }
  85
  86     byte[] do_read_event(ConcurrentLinkedQueue<Thread> list, long pm, long descriptor, long data) {
  87         byte[] arr = bindings.get_u8_slice_bytes(data);
  88         Thread thread = new Thread(() -> {
  89             long arr_vec = bindings.bytes_to_u8_vec(arr);
  90             long res = bindings.PeerManager_read_event(pm, descriptor, arr_vec);
  91             assert bindings.LDKCResult_boolPeerHandleErrorZ_result_ok(res);
  92             //assert bindings.deref_bool(bindings.LDKCResult_boolPeerHandleErrorZ_get_inner(res));
  93             bindings.CResult_boolPeerHandleErrorZ_free(res);
  94             bindings.free_heap_ptr(arr_vec);
  95         });
  96         thread.start();
  97         list.add(thread);
  98         return arr;
  99     }
 100
 101     @Test
 102     void test_message_handler() throws InterruptedException {
 103         Peer peer1 = new Peer((byte) 1);
 104         Peer peer2 = new Peer((byte) 2);
 105
 106         ConcurrentLinkedQueue<Thread> list = new ConcurrentLinkedQueue<Thread>();
 107         LongHolder descriptor1 = new LongHolder();
 108         LongHolder descriptor1ref = descriptor1;
 109         long descriptor2 = bindings.LDKSocketDescriptor_new(new bindings.LDKSocketDescriptor() {
 110             @Override
 111             public long send_data(long data, boolean resume_read) {
 112                 return do_read_event(list, peer1.peer_manager, descriptor1ref.val, data).length;
 113             }
 114
 115             @Override public void disconnect_socket() { assert false; }
 116             @Override public boolean eq(long other_arg) { return bindings.LDKSocketDescriptor_get_obj_from_jcalls(other_arg).hash() == 2; }
 117             @Override public long hash() { return 2; }
 118         });
 119
 120         descriptor1.val = bindings.LDKSocketDescriptor_new(new bindings.LDKSocketDescriptor() {
 121             @Override
 122             public long send_data(long data, boolean resume_read) {
 123                 return do_read_event(list, peer2.peer_manager, descriptor2, data).length;
 124             }
 125
 126             @Override public void disconnect_socket() { assert false; }
 127             @Override public boolean eq(long other_arg) { return bindings.LDKSocketDescriptor_get_obj_from_jcalls(other_arg).hash() == 1; }
 128             @Override public long hash() { return 1; }
 129         });
 130
 131         long init_vec = bindings.PeerManager_new_outbound_connection(peer1.peer_manager, bindings.ChannelManager_get_our_node_id(peer2.chan_manager), descriptor1.val);
 132         assert(bindings.LDKCResult_CVec_u8ZPeerHandleErrorZ_result_ok(init_vec));
 133
 134         long con_res = bindings.PeerManager_new_inbound_connection(peer2.peer_manager, descriptor2);
 135         assert(bindings.LDKCResult_NonePeerHandleErrorZ_result_ok(con_res));
 136         bindings.CResult_NonePeerHandleErrorZ_free(con_res);
 137         do_read_event(list, peer2.peer_manager, descriptor2, bindings.LDKCResult_CVec_u8ZPeerHandleErrorZ_get_inner(init_vec));
 138         bindings.CResult_CVec_u8ZPeerHandleErrorZ_free(init_vec);
 139
 140         while (!list.isEmpty()) { list.poll().join(); }
 141
 142         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());
 143         assert bindings.LDKCResult_NoneAPIErrorZ_result_ok(cc_res);
 144         bindings.CResult_NoneAPIErrorZ_free(cc_res);
 145
 146         bindings.PeerManager_process_events(peer1.peer_manager);
 147         while (!list.isEmpty()) { list.poll().join(); }
 148         bindings.PeerManager_process_events(peer2.peer_manager);
 149         while (!list.isEmpty()) { list.poll().join(); }
 150
 151         long events = bindings.LDKEventsProvider_call_get_and_clear_pending_events(peer1.chan_manager_events);
 152         bindings.VecOrSliceDef events_arr_info = bindings.LDKCVecTempl_Event_arr_info(events);
 153         assert events_arr_info.datalen == 1;
 154         bindings.CVec_EventZ_free(events);
 155
 156         long peer1_chans = bindings.ChannelManager_list_channels(peer1.chan_manager);
 157         long peer2_chans = bindings.ChannelManager_list_channels(peer2.chan_manager);
 158         assert bindings.vec_slice_len(peer1_chans) == 1;
 159         assert bindings.vec_slice_len(peer2_chans) == 1;
 160         bindings.CVec_ChannelDetailsZ_free(peer1_chans);
 161         bindings.CVec_ChannelDetailsZ_free(peer2_chans);
 162
 163         peer1.free();
 164         peer2.free();
 165         bindings.SocketDescriptor_free(descriptor2);
 166         bindings.SocketDescriptor_free(descriptor1.val);
 167     }
 168 }