@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);
  }
 @Test
 public void testRoundTripNormalWallet() throws Exception {
   Wallet wallet1 = roundTrip(myWallet);
   assertEquals(0, wallet1.getTransactions(true).size());
   assertEquals(Coin.ZERO, wallet1.getBalance());
   assertArrayEquals(
       myKey.getPubKey(), wallet1.findKeyFromPubHash(myKey.getPubKeyHash()).getPubKey());
   assertArrayEquals(
       myKey.getPrivKeyBytes(),
       wallet1.findKeyFromPubHash(myKey.getPubKeyHash()).getPrivKeyBytes());
   assertEquals(
       myKey.getCreationTimeSeconds(),
       wallet1.findKeyFromPubHash(myKey.getPubKeyHash()).getCreationTimeSeconds());
 }
  @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());
  }
 @Test
 public void empty() throws Exception {
   // Check the base case of a wallet with one key and no transactions.
   Wallet wallet1 = roundTrip(myWallet);
   assertEquals(0, wallet1.getTransactions(true).size());
   assertEquals(Coin.ZERO, wallet1.getBalance());
   assertArrayEquals(
       myKey.getPubKey(), wallet1.findKeyFromPubHash(myKey.getPubKeyHash()).getPubKey());
   assertArrayEquals(
       myKey.getPrivKeyBytes(),
       wallet1.findKeyFromPubHash(myKey.getPubKeyHash()).getPrivKeyBytes());
   assertEquals(
       myKey.getCreationTimeSeconds(),
       wallet1.findKeyFromPubHash(myKey.getPubKeyHash()).getCreationTimeSeconds());
   assertEquals(mScriptCreationTime, wallet1.getWatchedScripts().get(0).getCreationTimeSeconds());
   assertEquals(1, wallet1.getWatchedScripts().size());
   assertEquals(
       ScriptBuilder.createOutputScript(myWatchedKey.toAddress(params)),
       wallet1.getWatchedScripts().get(0));
   assertEquals(WALLET_DESCRIPTION, wallet1.getDescription());
 }
  @Test
  public void testRoundTripMarriedWallet() throws Exception {
    // create 2-of-2 married wallet
    myWallet = new Wallet(params);
    final DeterministicKeyChain partnerChain = new DeterministicKeyChain(new SecureRandom());
    DeterministicKey partnerKey =
        DeterministicKey.deserializeB58(
            null, partnerChain.getWatchingKey().serializePubB58(params), params);
    MarriedKeyChain chain =
        MarriedKeyChain.builder()
            .random(new SecureRandom())
            .followingKeys(partnerKey)
            .threshold(2)
            .build();
    myWallet.addAndActivateHDChain(chain);

    myAddress = myWallet.currentAddress(KeyChain.KeyPurpose.RECEIVE_FUNDS);

    Wallet wallet1 = roundTrip(myWallet);
    assertEquals(0, wallet1.getTransactions(true).size());
    assertEquals(Coin.ZERO, wallet1.getBalance());
    assertEquals(2, wallet1.getActiveKeyChain().getSigsRequiredToSpend());
    assertEquals(myAddress, wallet1.currentAddress(KeyChain.KeyPurpose.RECEIVE_FUNDS));
  }
  /**
   * function that updates debit/credit/balance/price in fiat and Transaction History table
   *
   * @param services
   */
  private void updateWalletsSummary(List<WalletService> services) {
    Coin totalDebit = Coin.ZERO;
    Coin totalCredit = Coin.ZERO;
    Coin totalBalance = Coin.ZERO;
    double priceInFiat = 0.00d;
    String confidence = "";
    // update debit/credit/balance and price in fiat
    List<TransactionWrapper> transactions = new ArrayList<>();
    for (WalletService service : services) {
      try {
        Wallet wallet = service.getWallet();
        totalBalance = totalBalance.add(wallet.getBalance());
        for (Transaction trx : wallet.getTransactionsByTime()) {
          if (trx.getConfidence().equals(TransactionConfidence.ConfidenceType.DEAD)) continue;
          Coin amount = trx.getValue(wallet);
          if (amount.isPositive()) {
            totalCredit = totalCredit.add(amount);
          } else {
            totalDebit = totalDebit.add(amount);
          }
          transactions.add(new TransactionWrapper(trx, wallet, amount));
        }
      } catch (Exception e) {
        logger.error("Unable to update wallet details");
      }
    }
    pnlDashboardStats.setTotalBalance(MonetaryFormat.BTC.noCode().format(totalBalance).toString());
    // pnlDashboardStats.setTotalDebit(MonetaryFormat.BTC.noCode().format(totalDebit).toString());
    // pnlDashboardStats.setTotalCredit(MonetaryFormat.BTC.noCode().format(totalCredit).toString());
    priceInFiat = Double.valueOf(MonetaryFormat.BTC.noCode().format(totalBalance).toString());
    priceInFiat *= BitcoinCurrencyRateApi.get().getCurrentRateValue();
    pnlDashboardStats.setPriceInFiat(
        String.format("%.2f", priceInFiat), "", ConfigManager.config().getSelectedCurrency());
    pnlDashboardStats.setExchangeRate(
        ConfigManager.config().getSelectedCurrency(),
        String.format("%.2f", BitcoinCurrencyRateApi.get().getCurrentRateValue()));
    Collections.sort(
        transactions,
        new Comparator<TransactionWrapper>() {
          @Override
          public int compare(TransactionWrapper o1, TransactionWrapper o2) {
            return o2.getTransaction()
                .getUpdateTime()
                .compareTo(o1.getTransaction().getUpdateTime());
          }
        });
    // update Transaction History table
    DefaultTableModel model = (DefaultTableModel) tblTransactions.getModel();
    model.setRowCount(0);
    for (TransactionWrapper wrapper : transactions) {
      Transaction transaction = wrapper.getTransaction();
      if (transaction.getConfidence().getDepthInBlocks() > 6)
        confidence = "<html>6<sup>+</sup></html>";
      else confidence = transaction.getConfidence().getDepthInBlocks() + "";
      Coin amount = wrapper.getAmount();
      Coin fee = transaction.getFee();
      String amountString = MonetaryFormat.BTC.noCode().format(amount).toString();
      String feeString = fee != null ? MonetaryFormat.BTC.noCode().format(fee).toString() : "0.00";
      Address from = transaction.getInput(0).getFromAddress();
      Address to =
          transaction
              .getOutput(0)
              .getAddressFromP2PKHScript(wrapper.getWallet().getNetworkParameters());
      boolean credit = amount.isPositive();

      model.addRow(
          new Object[] {
            Utils.formatTransactionDate(transaction.getUpdateTime()),
            from,
            to,
            credit ? "Credit" : "Debit",
            amountString,
            feeString,
            "",
            confidence
          });
    }
    Coin balanceAfter = Coin.ZERO;
    for (int index = transactions.size() - 1; index >= 0; index--) {
      balanceAfter = balanceAfter.add(Coin.parseCoin((String) model.getValueAt(index, 4)));
      model.setValueAt(MonetaryFormat.BTC.noCode().format(balanceAfter).toString(), index, 6);
    }
  }