示例#1
0
  @Test
  public void invDownloadTxMultiPeer() throws Exception {
    // Check co-ordination of which peer to download via the memory pool.
    VersionMessage ver = new VersionMessage(unitTestParams, 100);
    InetSocketAddress address = new InetSocketAddress("127.0.0.1", 4242);
    Peer peer2 = new Peer(unitTestParams, ver, new PeerAddress(address), blockChain, memoryPool);
    peer2.addWallet(wallet);
    VersionMessage peerVersion = new VersionMessage(unitTestParams, OTHER_PEER_CHAIN_HEIGHT);
    peerVersion.clientVersion = 70001;
    peerVersion.localServices = VersionMessage.NODE_NETWORK;

    connect();
    InboundMessageQueuer writeTarget2 = connect(peer2, peerVersion);

    // Make a tx and advertise it to one of the peers.
    BigInteger value = Utils.toNanoCoins(1, 0);
    Transaction tx = createFakeTx(unitTestParams, value, this.address);
    InventoryMessage inv = new InventoryMessage(unitTestParams);
    InventoryItem item = new InventoryItem(InventoryItem.Type.Transaction, tx.getHash());
    inv.addItem(item);

    inbound(writeTarget, inv);

    // We got a getdata message.
    GetDataMessage message = (GetDataMessage) outbound(writeTarget);
    assertEquals(1, message.getItems().size());
    assertEquals(tx.getHash(), message.getItems().get(0).hash);
    assertTrue(memoryPool.maybeWasSeen(tx.getHash()));

    // Advertising to peer2 results in no getdata message.
    inbound(writeTarget2, inv);
    pingAndWait(writeTarget2);
    assertNull(outbound(writeTarget2));
  }
  @Test
  public void peerGroupWalletIntegration() throws Exception {
    // Make sure we can create spends, and that they are announced. Then do the same with offline
    // mode.

    // Set up connections and block chain.
    VersionMessage ver = new VersionMessage(params, 2);
    ver.localServices = VersionMessage.NODE_NETWORK;
    InboundMessageQueuer p1 = connectPeer(1, ver);
    InboundMessageQueuer p2 = connectPeer(2);

    // Send ourselves a bit of money.
    Block b1 = TestUtils.makeSolvedTestBlock(blockStore, address);
    inbound(p1, b1);
    pingAndWait(p1);
    assertNull(outbound(p1));
    assertEquals(Utils.toNanoCoins(50, 0), wallet.getBalance());

    // Check that the wallet informs us of changes in confidence as the transaction ripples across
    // the network.
    final Transaction[] transactions = new Transaction[1];
    wallet.addEventListener(
        new AbstractWalletEventListener() {
          @Override
          public void onTransactionConfidenceChanged(Wallet wallet, Transaction tx) {
            transactions[0] = tx;
          }
        });

    // Now create a spend, and expect the announcement on p1.
    Address dest = new ECKey().toAddress(params);
    Wallet.SendResult sendResult = wallet.sendCoins(peerGroup, dest, Utils.toNanoCoins(1, 0));
    assertNotNull(sendResult.tx);
    Threading.waitForUserCode();
    assertFalse(sendResult.broadcastComplete.isDone());
    assertEquals(transactions[0], sendResult.tx);
    assertEquals(0, transactions[0].getConfidence().numBroadcastPeers());
    transactions[0] = null;
    Transaction t1 = (Transaction) outbound(p1);
    assertNotNull(t1);
    // 49 BTC in change.
    assertEquals(Utils.toNanoCoins(49, 0), t1.getValueSentToMe(wallet));
    // The future won't complete until it's heard back from the network on p2.
    InventoryMessage inv = new InventoryMessage(params);
    inv.addTransaction(t1);
    inbound(p2, inv);
    pingAndWait(p2);
    Threading.waitForUserCode();
    assertTrue(sendResult.broadcastComplete.isDone());
    assertEquals(transactions[0], sendResult.tx);
    assertEquals(1, transactions[0].getConfidence().numBroadcastPeers());
    // Confirm it.
    Block b2 = TestUtils.createFakeBlock(blockStore, t1).block;
    inbound(p1, b2);
    pingAndWait(p1);
    assertNull(outbound(p1));

    // Do the same thing with an offline transaction.
    peerGroup.removeWallet(wallet);
    Wallet.SendRequest req = Wallet.SendRequest.to(dest, Utils.toNanoCoins(2, 0));
    req.ensureMinRequiredFee = false;
    Transaction t3 = checkNotNull(wallet.sendCoinsOffline(req));
    assertNull(outbound(p1)); // Nothing sent.
    // Add the wallet to the peer group (simulate initialization). Transactions should be announced.
    peerGroup.addWallet(wallet);
    // Transaction announced to the first peer.
    assertEquals(t3.getHash(), ((Transaction) outbound(p1)).getHash());
  }
示例#3
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 private void connectWithVersion(int version) throws Exception {
   VersionMessage peerVersion = new VersionMessage(unitTestParams, OTHER_PEER_CHAIN_HEIGHT);
   peerVersion.clientVersion = version;
   peerVersion.localServices = VersionMessage.NODE_NETWORK;
   writeTarget = connect(peer, peerVersion);
 }