_ 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 import org.ldk.enums.*;
   6
   7 import java.util.concurrent.ConcurrentLinkedQueue;
   8
   9 public class PeerTest {
  10     class Peer {
  11         final long logger;
  12         final long fee_estimator;
  13         final long tx_broadcaster;
  14         final long chain_monitor;
  15         final long keys;
  16         final long keys_interface;
  17         final long config;
  18         final long chan_manager;
  19         final long chan_manager_events;
  20         final long chan_handler;
  21         final long router;
  22         final long route_handler;
  23         final long message_handler;
  24         final long peer_manager;
  25
  26         Peer(byte seed) {
  27             logger = bindings.LDKLogger_new((String arg)-> System.out.println(seed + ": " + arg));
  28             this.fee_estimator = bindings.LDKFeeEstimator_new(confirmation_target -> 0);
  29             this.tx_broadcaster = bindings.LDKBroadcasterInterface_new(tx -> {
  30                 // We should broadcast
  31             });
  32             this.chain_monitor = bindings.LDKWatch_new(new bindings.LDKWatch() {
  33                 @Override
  34                 public long watch_channel(long funding_txo, long monitor) {
  35                     return bindings.CResult_NoneChannelMonitorUpdateErrZ_ok();
  36                 }
  37
  38                 @Override
  39                 public long update_channel(long funding_txo, long update) {
  40                     return bindings.CResult_NoneChannelMonitorUpdateErrZ_ok();
  41                 }
  42
  43                 @Override
  44                 public long release_pending_monitor_events() {
  45                     return bindings.new_empty_slice_vec();
  46                 }
  47             });
  48
  49             byte[] key_seed = new byte[32];
  50             for (byte i = 0; i < 32; i++) { key_seed[i] = (byte) (i ^ seed); }
  51             this.keys = bindings.KeysManager_new(key_seed, LDKNetwork.LDKNetwork_Bitcoin, System.currentTimeMillis() / 1000, (int)(System.currentTimeMillis() * 1000) & 0xffffffff);
  52             this.keys_interface = bindings.KeysManager_as_KeysInterface(keys);
  53             this.config = bindings.UserConfig_default();
  54             this.chan_manager = bindings.ChannelManager_new(LDKNetwork.LDKNetwork_Bitcoin, fee_estimator, chain_monitor, tx_broadcaster, logger, keys_interface, config, 1);
  55             this.chan_manager_events = bindings.ChannelManager_as_EventsProvider(chan_manager);
  56
  57             this.chan_handler = bindings.ChannelManager_as_ChannelMessageHandler(chan_manager);
  58             this.router = bindings.NetGraphMsgHandler_new(0, logger);
  59             this.route_handler = bindings.NetGraphMsgHandler_as_RoutingMessageHandler(router);
  60             this.message_handler = bindings.MessageHandler_new(chan_handler, route_handler);
  61
  62             byte[] random_data = new byte[32];
  63             for (byte i = 0; i < 32; i++) { random_data[i] = (byte) ((i ^ seed) ^ 0xf0); }
  64             this.peer_manager = bindings.PeerManager_new(message_handler, bindings.LDKKeysInterface_call_get_node_secret(keys_interface), random_data, logger);
  65         }
  66
  67         void free() {
  68             // Note that we can't rely on finalizer order, so don't bother trying to rely on it here
  69             bindings.Logger_free(logger);
  70             bindings.FeeEstimator_free(fee_estimator);
  71             bindings.BroadcasterInterface_free(tx_broadcaster);
  72             bindings.Watch_free(chain_monitor);
  73             bindings.KeysManager_free(keys);
  74             bindings.KeysInterface_free(keys_interface);
  75             bindings.ChannelManager_free(chan_manager);
  76             bindings.EventsProvider_free(chan_manager_events);
  77             bindings.ChannelMessageHandler_free(chan_handler);
  78             bindings.NetGraphMsgHandler_free(router);
  79             bindings.RoutingMessageHandler_free(route_handler);
  80             //MessageHandler was actually moved into the route_handler!: bindings.MessageHandler_free(message_handler);
  81             bindings.PeerManager_free(peer_manager);
  82         }
  83     }
  84
  85     class LongHolder { long val; }
  86
  87     byte[] do_read_event(ConcurrentLinkedQueue<Thread> list, long pm, long descriptor, long data) {
  88         byte[] arr = bindings.get_u8_slice_bytes(data);
  89         Thread thread = new Thread(() -> {
  90             long arr_vec = bindings.bytes_to_u8_vec(arr);
  91             long res = bindings.PeerManager_read_event(pm, descriptor, arr_vec);
  92             assert bindings.LDKCResult_boolPeerHandleErrorZ_result_ok(res);
  93             //assert bindings.deref_bool(bindings.LDKCResult_boolPeerHandleErrorZ_get_inner(res));
  94             bindings.CResult_boolPeerHandleErrorZ_free(res);
  95             bindings.free_heap_ptr(arr_vec);
  96         });
  97         thread.start();
  98         list.add(thread);
  99         return arr;
 100     }
 101
 102     @Test
 103     void test_message_handler() throws InterruptedException {
 104         Peer peer1 = new Peer((byte) 1);
 105         Peer peer2 = new Peer((byte) 2);
 106
 107         ConcurrentLinkedQueue<Thread> list = new ConcurrentLinkedQueue<Thread>();
 108         LongHolder descriptor1 = new LongHolder();
 109         LongHolder descriptor1ref = descriptor1;
 110         long descriptor2 = bindings.LDKSocketDescriptor_new(new bindings.LDKSocketDescriptor() {
 111             @Override
 112             public long send_data(long data, boolean resume_read) {
 113                 return do_read_event(list, peer1.peer_manager, descriptor1ref.val, data).length;
 114             }
 115
 116             @Override public void disconnect_socket() { assert false; }
 117             @Override public boolean eq(long other_arg) { return bindings.LDKSocketDescriptor_get_obj_from_jcalls(other_arg).hash() == 2; }
 118             @Override public long hash() { return 2; }
 119         });
 120
 121         descriptor1.val = bindings.LDKSocketDescriptor_new(new bindings.LDKSocketDescriptor() {
 122             @Override
 123             public long send_data(long data, boolean resume_read) {
 124                 return do_read_event(list, peer2.peer_manager, descriptor2, data).length;
 125             }
 126
 127             @Override public void disconnect_socket() { assert false; }
 128             @Override public boolean eq(long other_arg) { return bindings.LDKSocketDescriptor_get_obj_from_jcalls(other_arg).hash() == 1; }
 129             @Override public long hash() { return 1; }
 130         });
 131
 132         long init_vec = bindings.PeerManager_new_outbound_connection(peer1.peer_manager, bindings.ChannelManager_get_our_node_id(peer2.chan_manager), descriptor1.val);
 133         assert(bindings.LDKCResult_CVec_u8ZPeerHandleErrorZ_result_ok(init_vec));
 134
 135         long con_res = bindings.PeerManager_new_inbound_connection(peer2.peer_manager, descriptor2);
 136         assert(bindings.LDKCResult_NonePeerHandleErrorZ_result_ok(con_res));
 137         bindings.CResult_NonePeerHandleErrorZ_free(con_res);
 138         do_read_event(list, peer2.peer_manager, descriptor2, bindings.LDKCResult_CVec_u8ZPeerHandleErrorZ_get_inner(init_vec));
 139         bindings.CResult_CVec_u8ZPeerHandleErrorZ_free(init_vec);
 140
 141         while (!list.isEmpty()) { list.poll().join(); }
 142
 143         long cc_res = bindings.ChannelManager_create_channel(peer1.chan_manager, bindings.ChannelManager_get_our_node_id(peer2.chan_manager), 10000, 1000, 42, bindings.LDKUserConfig_optional_none());
 144         assert bindings.LDKCResult_NoneAPIErrorZ_result_ok(cc_res);
 145         bindings.CResult_NoneAPIErrorZ_free(cc_res);
 146
 147         bindings.PeerManager_process_events(peer1.peer_manager);
 148         while (!list.isEmpty()) { list.poll().join(); }
 149         bindings.PeerManager_process_events(peer2.peer_manager);
 150         while (!list.isEmpty()) { list.poll().join(); }
 151
 152         long events = bindings.LDKEventsProvider_call_get_and_clear_pending_events(peer1.chan_manager_events);
 153         bindings.VecOrSliceDef events_arr_info = bindings.LDKCVecTempl_Event_arr_info(events);
 154         assert events_arr_info.datalen == 1;
 155         bindings.LDKEvent event = bindings.LDKEvent_ref_from_ptr(events_arr_info.dataptr);
 156         assert event instanceof bindings.LDKEvent.FundingGenerationReady;
 157         assert ((bindings.LDKEvent.FundingGenerationReady)event).channel_value_satoshis == 10000;
 158         assert ((bindings.LDKEvent.FundingGenerationReady)event).user_channel_id == 42;
 159         assert bindings.get_u8_slice_bytes(((bindings.LDKEvent.FundingGenerationReady)event).output_script).length == 34;
 160         byte[] chan_id = bindings.read_bytes(((bindings.LDKEvent.FundingGenerationReady)event).temporary_channel_id, 32);
 161         bindings.CVec_EventZ_free(events);
 162
 163         long peer1_chans = bindings.ChannelManager_list_channels(peer1.chan_manager);
 164         long peer2_chans = bindings.ChannelManager_list_channels(peer2.chan_manager);
 165         assert bindings.vec_slice_len(peer1_chans) == 1;
 166         assert bindings.vec_slice_len(peer2_chans) == 1;
 167         assert java.util.Arrays.equals(bindings.ChannelDetails_get_channel_id(bindings.LDKCVecTempl_ChannelDetails_arr_info(peer1_chans).dataptr), chan_id);
 168         assert java.util.Arrays.equals(bindings.ChannelDetails_get_channel_id(bindings.LDKCVecTempl_ChannelDetails_arr_info(peer2_chans).dataptr), chan_id);
 169         bindings.CVec_ChannelDetailsZ_free(peer1_chans);
 170         bindings.CVec_ChannelDetailsZ_free(peer2_chans);
 171
 172         peer1.free();
 173         peer2.free();
 174         bindings.SocketDescriptor_free(descriptor2);
 175         bindings.SocketDescriptor_free(descriptor1.val);
 176     }
 177 }