_ 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.Arrays;
   8 import java.util.concurrent.ConcurrentLinkedQueue;
   9
  10 public class PeerTest {
  11     class Peer {
  12         final long logger;
  13         final long fee_estimator;
  14         final long tx_broadcaster;
  15         final long chain_monitor;
  16         final long keys;
  17         final long keys_interface;
  18         final long config;
  19         final long chan_manager;
  20         final long chan_manager_events;
  21         final long chan_handler;
  22         final long router;
  23         final long route_handler;
  24         final long message_handler;
  25         final long peer_manager;
  26
  27         Peer(byte seed) {
  28             logger = bindings.LDKLogger_new((String arg)-> System.out.println(seed + ": " + arg));
  29             this.fee_estimator = bindings.LDKFeeEstimator_new(confirmation_target -> 0);
  30             this.tx_broadcaster = bindings.LDKBroadcasterInterface_new(tx -> {
  31                 // We should broadcast
  32             });
  33             this.chain_monitor = bindings.LDKWatch_new(new bindings.LDKWatch() {
  34                 @Override
  35                 public long watch_channel(long funding_txo, long monitor) {
  36                     return bindings.CResult_NoneChannelMonitorUpdateErrZ_ok();
  37                 }
  38
  39                 @Override
  40                 public long update_channel(long funding_txo, long update) {
  41                     return bindings.CResult_NoneChannelMonitorUpdateErrZ_ok();
  42                 }
  43
  44                 @Override
  45                 public long release_pending_monitor_events() {
  46                     return bindings.new_empty_slice_vec();
  47                 }
  48             });
  49
  50             byte[] key_seed = new byte[32];
  51             for (byte i = 0; i < 32; i++) { key_seed[i] = (byte) (i ^ seed); }
  52             this.keys = bindings.KeysManager_new(key_seed, LDKNetwork.LDKNetwork_Bitcoin, System.currentTimeMillis() / 1000, (int)(System.currentTimeMillis() * 1000) & 0xffffffff);
  53             this.keys_interface = bindings.KeysManager_as_KeysInterface(keys);
  54             this.config = bindings.UserConfig_default();
  55             this.chan_manager = bindings.ChannelManager_new(LDKNetwork.LDKNetwork_Bitcoin, fee_estimator, chain_monitor, tx_broadcaster, logger, keys_interface, config, 1);
  56             this.chan_manager_events = bindings.ChannelManager_as_EventsProvider(chan_manager);
  57
  58             this.chan_handler = bindings.ChannelManager_as_ChannelMessageHandler(chan_manager);
  59             this.router = bindings.NetGraphMsgHandler_new(0, logger);
  60             this.route_handler = bindings.NetGraphMsgHandler_as_RoutingMessageHandler(router);
  61             this.message_handler = bindings.MessageHandler_new(chan_handler, route_handler);
  62
  63             byte[] random_data = new byte[32];
  64             for (byte i = 0; i < 32; i++) { random_data[i] = (byte) ((i ^ seed) ^ 0xf0); }
  65             this.peer_manager = bindings.PeerManager_new(message_handler, bindings.LDKKeysInterface_call_get_node_secret(keys_interface), random_data, logger);
  66         }
  67
  68         void free() {
  69             // Note that we can't rely on finalizer order, so don't bother trying to rely on it here
  70             bindings.Logger_free(logger);
  71             bindings.FeeEstimator_free(fee_estimator);
  72             bindings.BroadcasterInterface_free(tx_broadcaster);
  73             bindings.Watch_free(chain_monitor);
  74             bindings.KeysManager_free(keys);
  75             bindings.KeysInterface_free(keys_interface);
  76             bindings.ChannelManager_free(chan_manager);
  77             bindings.EventsProvider_free(chan_manager_events);
  78             bindings.ChannelMessageHandler_free(chan_handler);
  79             bindings.NetGraphMsgHandler_free(router);
  80             bindings.RoutingMessageHandler_free(route_handler);
  81             //MessageHandler was actually moved into the route_handler!: bindings.MessageHandler_free(message_handler);
  82             bindings.PeerManager_free(peer_manager);
  83         }
  84     }
  85
  86     class LongHolder { long val; }
  87
  88     byte[] do_read_event(ConcurrentLinkedQueue<Thread> list, long pm, long descriptor, long data) {
  89         byte[] arr = bindings.get_u8_slice_bytes(data);
  90         Thread thread = new Thread(() -> {
  91             long arr_vec = bindings.bytes_to_u8_vec(arr);
  92             long res = bindings.PeerManager_read_event(pm, descriptor, arr_vec);
  93             assert bindings.LDKCResult_boolPeerHandleErrorZ_result_ok(res);
  94             //assert bindings.deref_bool(bindings.LDKCResult_boolPeerHandleErrorZ_get_inner(res));
  95             bindings.CResult_boolPeerHandleErrorZ_free(res);
  96             bindings.free_heap_ptr(arr_vec);
  97         });
  98         thread.start();
  99         list.add(thread);
 100         return arr;
 101     }
 102
 103     @Test
 104     void test_message_handler() throws InterruptedException {
 105         Peer peer1 = new Peer((byte) 1);
 106         Peer peer2 = new Peer((byte) 2);
 107
 108         ConcurrentLinkedQueue<Thread> list = new ConcurrentLinkedQueue<Thread>();
 109         LongHolder descriptor1 = new LongHolder();
 110         LongHolder descriptor1ref = descriptor1;
 111         long descriptor2 = bindings.LDKSocketDescriptor_new(new bindings.LDKSocketDescriptor() {
 112             @Override
 113             public long send_data(long data, boolean resume_read) {
 114                 return do_read_event(list, peer1.peer_manager, descriptor1ref.val, data).length;
 115             }
 116
 117             @Override public void disconnect_socket() { assert false; }
 118             @Override public boolean eq(long other_arg) { return bindings.LDKSocketDescriptor_get_obj_from_jcalls(other_arg).hash() == 2; }
 119             @Override public long hash() { return 2; }
 120         });
 121
 122         descriptor1.val = bindings.LDKSocketDescriptor_new(new bindings.LDKSocketDescriptor() {
 123             @Override
 124             public long send_data(long data, boolean resume_read) {
 125                 return do_read_event(list, peer2.peer_manager, descriptor2, data).length;
 126             }
 127
 128             @Override public void disconnect_socket() { assert false; }
 129             @Override public boolean eq(long other_arg) { return bindings.LDKSocketDescriptor_get_obj_from_jcalls(other_arg).hash() == 1; }
 130             @Override public long hash() { return 1; }
 131         });
 132
 133         long init_vec = bindings.PeerManager_new_outbound_connection(peer1.peer_manager, bindings.ChannelManager_get_our_node_id(peer2.chan_manager), descriptor1.val);
 134         assert(bindings.LDKCResult_CVec_u8ZPeerHandleErrorZ_result_ok(init_vec));
 135
 136         long con_res = bindings.PeerManager_new_inbound_connection(peer2.peer_manager, descriptor2);
 137         assert(bindings.LDKCResult_NonePeerHandleErrorZ_result_ok(con_res));
 138         bindings.CResult_NonePeerHandleErrorZ_free(con_res);
 139         do_read_event(list, peer2.peer_manager, descriptor2, bindings.LDKCResult_CVec_u8ZPeerHandleErrorZ_get_inner(init_vec));
 140         bindings.CResult_CVec_u8ZPeerHandleErrorZ_free(init_vec);
 141
 142         while (!list.isEmpty()) { list.poll().join(); }
 143
 144         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());
 145         assert bindings.LDKCResult_NoneAPIErrorZ_result_ok(cc_res);
 146         bindings.CResult_NoneAPIErrorZ_free(cc_res);
 147
 148         bindings.PeerManager_process_events(peer1.peer_manager);
 149         while (!list.isEmpty()) { list.poll().join(); }
 150         bindings.PeerManager_process_events(peer2.peer_manager);
 151         while (!list.isEmpty()) { list.poll().join(); }
 152
 153         long events = bindings.LDKEventsProvider_call_get_and_clear_pending_events(peer1.chan_manager_events);
 154         bindings.VecOrSliceDef events_arr_info = bindings.LDKCVecTempl_Event_arr_info(events);
 155         assert events_arr_info.datalen == 1;
 156         bindings.LDKEvent event = bindings.LDKEvent_ref_from_ptr(events_arr_info.dataptr);
 157         assert event instanceof bindings.LDKEvent.FundingGenerationReady;
 158         assert ((bindings.LDKEvent.FundingGenerationReady)event).channel_value_satoshis == 10000;
 159         assert ((bindings.LDKEvent.FundingGenerationReady)event).user_channel_id == 42;
 160         byte[] funding_spk = bindings.get_u8_slice_bytes(((bindings.LDKEvent.FundingGenerationReady)event).output_script);
 161         assert funding_spk.length == 34 && funding_spk[0] == 0 && funding_spk[1] == 32; // P2WSH
 162         byte[] chan_id = ((bindings.LDKEvent.FundingGenerationReady)event).temporary_channel_id;
 163         bindings.CVec_EventZ_free(events);
 164
 165         //bindings.ChannelManager_funding_transaction_generated(peer1.chan_manager, chan_id, bindings.OutPoint);
 166
 167         long peer1_chans = bindings.ChannelManager_list_channels(peer1.chan_manager);
 168         long peer2_chans = bindings.ChannelManager_list_channels(peer2.chan_manager);
 169         assert bindings.vec_slice_len(peer1_chans) == 1;
 170         assert bindings.vec_slice_len(peer2_chans) == 1;
 171         long peer_1_chan_info_ptr = bindings.LDKCVecTempl_ChannelDetails_arr_info(peer1_chans).dataptr;
 172         assert bindings.ChannelDetails_get_channel_value_satoshis(peer_1_chan_info_ptr) == 10000;
 173         assert !bindings.ChannelDetails_get_is_live(peer_1_chan_info_ptr);
 174         assert Arrays.equals(bindings.ChannelDetails_get_channel_id(peer_1_chan_info_ptr), chan_id);
 175         assert Arrays.equals(bindings.ChannelDetails_get_channel_id(bindings.LDKCVecTempl_ChannelDetails_arr_info(peer2_chans).dataptr), chan_id);
 176         bindings.CVec_ChannelDetailsZ_free(peer1_chans);
 177         bindings.CVec_ChannelDetailsZ_free(peer2_chans);
 178
 179         peer1.free();
 180         peer2.free();
 181         bindings.SocketDescriptor_free(descriptor2);
 182         bindings.SocketDescriptor_free(descriptor1.val);
 183     }
 184 }