コード例 #1
0
  @Test
  public void oneTx() throws Exception {
    // Check basic tx serialization.
    Coin v1 = COIN;
    Transaction t1 = createFakeTx(params, v1, myAddress);
    t1.getConfidence().markBroadcastBy(new PeerAddress(InetAddress.getByName("1.2.3.4")));
    t1.getConfidence().markBroadcastBy(new PeerAddress(InetAddress.getByName("5.6.7.8")));
    t1.getConfidence().setSource(TransactionConfidence.Source.NETWORK);
    myWallet.receivePending(t1, null);
    Wallet wallet1 = roundTrip(myWallet);
    assertEquals(1, wallet1.getTransactions(true).size());
    assertEquals(v1, wallet1.getBalance(Wallet.BalanceType.ESTIMATED));
    Transaction t1copy = wallet1.getTransaction(t1.getHash());
    assertArrayEquals(t1.bitcoinSerialize(), t1copy.bitcoinSerialize());
    assertEquals(2, t1copy.getConfidence().numBroadcastPeers());
    assertEquals(TransactionConfidence.Source.NETWORK, t1copy.getConfidence().getSource());

    Protos.Wallet walletProto = new WalletProtobufSerializer().walletToProto(myWallet);
    assertEquals(Protos.Key.Type.ORIGINAL, walletProto.getKey(0).getType());
    assertEquals(0, walletProto.getExtensionCount());
    assertEquals(1, walletProto.getTransactionCount());
    assertEquals(6, walletProto.getKeyCount());

    Protos.Transaction t1p = walletProto.getTransaction(0);
    assertEquals(0, t1p.getBlockHashCount());
    assertArrayEquals(t1.getHash().getBytes(), t1p.getHash().toByteArray());
    assertEquals(Protos.Transaction.Pool.PENDING, t1p.getPool());
    assertFalse(t1p.hasLockTime());
    assertFalse(t1p.getTransactionInput(0).hasSequence());
    assertArrayEquals(
        t1.getInputs().get(0).getOutpoint().getHash().getBytes(),
        t1p.getTransactionInput(0).getTransactionOutPointHash().toByteArray());
    assertEquals(0, t1p.getTransactionInput(0).getTransactionOutPointIndex());
    assertEquals(t1p.getTransactionOutput(0).getValue(), v1.value);
  }
コード例 #2
0
  @Test
  public void doubleSpend() throws Exception {
    // Check that we can serialize double spends correctly, as this is a slightly tricky case.
    FakeTxBuilder.DoubleSpends doubleSpends =
        FakeTxBuilder.createFakeDoubleSpendTxns(params, myAddress);
    // t1 spends to our wallet.
    myWallet.receivePending(doubleSpends.t1, null);
    // t2 rolls back t1 and spends somewhere else.
    myWallet.receiveFromBlock(doubleSpends.t2, null, BlockChain.NewBlockType.BEST_CHAIN, 0);
    Wallet wallet1 = roundTrip(myWallet);
    assertEquals(1, wallet1.getTransactions(true).size());
    Transaction t1 = wallet1.getTransaction(doubleSpends.t1.getHash());
    assertEquals(ConfidenceType.DEAD, t1.getConfidence().getConfidenceType());
    assertEquals(Coin.ZERO, wallet1.getBalance());

    // TODO: Wallet should store overriding transactions even if they are not wallet-relevant.
    // assertEquals(doubleSpends.t2, t1.getConfidence().getOverridingTransaction());
  }
コード例 #3
0
  @Test
  public void testAppearedAtChainHeightDepthAndWorkDone() throws Exception {
    // Test the TransactionConfidence appearedAtChainHeight, depth and workDone field are stored.

    BlockChain chain = new BlockChain(params, myWallet, new MemoryBlockStore(params));

    final ArrayList<Transaction> txns = new ArrayList<Transaction>(2);
    myWallet.addEventListener(
        new AbstractWalletEventListener() {
          @Override
          public void onCoinsReceived(
              Wallet wallet, Transaction tx, Coin prevBalance, Coin newBalance) {
            txns.add(tx);
          }
        });

    // Start by building two blocks on top of the genesis block.
    Block b1 = params.getGenesisBlock().createNextBlock(myAddress);
    BigInteger work1 = b1.getWork();
    assertTrue(work1.signum() > 0);

    Block b2 = b1.createNextBlock(myAddress);
    BigInteger work2 = b2.getWork();
    assertTrue(work2.signum() > 0);

    assertTrue(chain.add(b1));
    assertTrue(chain.add(b2));

    // We now have the following chain:
    //     genesis -> b1 -> b2

    // Check the transaction confidence levels are correct before wallet roundtrip.
    Threading.waitForUserCode();
    assertEquals(2, txns.size());

    TransactionConfidence confidence0 = txns.get(0).getConfidence();
    TransactionConfidence confidence1 = txns.get(1).getConfidence();

    assertEquals(1, confidence0.getAppearedAtChainHeight());
    assertEquals(2, confidence1.getAppearedAtChainHeight());

    assertEquals(2, confidence0.getDepthInBlocks());
    assertEquals(1, confidence1.getDepthInBlocks());

    // Roundtrip the wallet and check it has stored the depth and workDone.
    Wallet rebornWallet = roundTrip(myWallet);

    Set<Transaction> rebornTxns = rebornWallet.getTransactions(false);
    assertEquals(2, rebornTxns.size());

    // The transactions are not guaranteed to be in the same order so sort them to be in chain
    // height order if required.
    Iterator<Transaction> it = rebornTxns.iterator();
    Transaction txA = it.next();
    Transaction txB = it.next();

    Transaction rebornTx0, rebornTx1;
    if (txA.getConfidence().getAppearedAtChainHeight() == 1) {
      rebornTx0 = txA;
      rebornTx1 = txB;
    } else {
      rebornTx0 = txB;
      rebornTx1 = txA;
    }

    TransactionConfidence rebornConfidence0 = rebornTx0.getConfidence();
    TransactionConfidence rebornConfidence1 = rebornTx1.getConfidence();

    assertEquals(1, rebornConfidence0.getAppearedAtChainHeight());
    assertEquals(2, rebornConfidence1.getAppearedAtChainHeight());

    assertEquals(2, rebornConfidence0.getDepthInBlocks());
    assertEquals(1, rebornConfidence1.getDepthInBlocks());
  }