Examples with Transaction org.bitcoinj.core.Transaction used on opensource projects

Example 96 with Transaction

use of org.bitcoinj.core.Transaction in project bisq-core by bisq-network.

the class BsqWalletService method getPreparedSendBtcTx.

// /////////////////////////////////////////////////////////////////////////////////////////
// Send BTC (non-BSQ) with BTC fee (e.g. the issuance output from a  lost comp. request)
// /////////////////////////////////////////////////////////////////////////////////////////
public Transaction getPreparedSendBtcTx(String receiverAddress, Coin receiverAmount) throws AddressFormatException, InsufficientBsqException, WalletException, TransactionVerificationException {
    Transaction tx = new Transaction(params);
    checkArgument(Restrictions.isAboveDust(receiverAmount), "The amount is too low (dust limit).");
    tx.addOutput(receiverAmount, Address.fromBase58(params, receiverAddress));
    SendRequest sendRequest = SendRequest.forTx(tx);
    sendRequest.fee = Coin.ZERO;
    sendRequest.feePerKb = Coin.ZERO;
    sendRequest.ensureMinRequiredFee = false;
    sendRequest.aesKey = aesKey;
    sendRequest.shuffleOutputs = false;
    sendRequest.signInputs = false;
    sendRequest.ensureMinRequiredFee = false;
    sendRequest.changeAddress = getUnusedAddress();
    sendRequest.coinSelector = nonBsqCoinSelector;
    try {
        wallet.completeTx(sendRequest);
    } catch (InsufficientMoneyException e) {
        throw new InsufficientBsqException(e.missing);
    }
    checkWalletConsistency(wallet);
    verifyTransaction(tx);
    // printTx("prepareSendTx", tx);
    return tx;
}

Example 97 with Transaction

use of org.bitcoinj.core.Transaction in project bisq-core by bisq-network.

the class BtcWalletService method getSendRequest.

private SendRequest getSendRequest(String fromAddress, String toAddress, Coin amount, Coin fee, @Nullable KeyParameter aesKey, AddressEntry.Context context) throws AddressFormatException, AddressEntryException {
    Transaction tx = new Transaction(params);
    final Coin receiverAmount = amount.subtract(fee);
    Preconditions.checkArgument(Restrictions.isAboveDust(receiverAmount), "The amount is too low (dust limit).");
    tx.addOutput(receiverAmount, Address.fromBase58(params, toAddress));
    SendRequest sendRequest = SendRequest.forTx(tx);
    sendRequest.fee = fee;
    sendRequest.feePerKb = Coin.ZERO;
    sendRequest.ensureMinRequiredFee = false;
    sendRequest.aesKey = aesKey;
    sendRequest.shuffleOutputs = false;
    Optional<AddressEntry> addressEntry = findAddressEntry(fromAddress, context);
    if (!addressEntry.isPresent())
        throw new AddressEntryException("WithdrawFromAddress is not found in our wallet.");
    checkNotNull(addressEntry.get(), "addressEntry.get() must not be null");
    checkNotNull(addressEntry.get().getAddress(), "addressEntry.get().getAddress() must not be null");
    sendRequest.coinSelector = new BtcCoinSelector(addressEntry.get().getAddress());
    sendRequest.changeAddress = addressEntry.get().getAddress();
    return sendRequest;
}

Example 98 with Transaction

use of org.bitcoinj.core.Transaction in project bisq-core by bisq-network.

the class BtcWalletService method getSendRequestForMultipleAddresses.

private SendRequest getSendRequestForMultipleAddresses(Set<String> fromAddresses, String toAddress, Coin amount, Coin fee, @Nullable String changeAddress, @Nullable KeyParameter aesKey) throws AddressFormatException, AddressEntryException, InsufficientMoneyException {
    Transaction tx = new Transaction(params);
    checkArgument(Restrictions.isAboveDust(amount), "The amount is too low (dust limit).");
    final Coin netValue = amount.subtract(fee);
    if (netValue.isNegative())
        throw new InsufficientMoneyException(netValue.multiply(-1), "The mining fee for that transaction exceed the available amount.");
    tx.addOutput(netValue, Address.fromBase58(params, toAddress));
    SendRequest sendRequest = SendRequest.forTx(tx);
    sendRequest.fee = fee;
    sendRequest.feePerKb = Coin.ZERO;
    sendRequest.ensureMinRequiredFee = false;
    sendRequest.aesKey = aesKey;
    sendRequest.shuffleOutputs = false;
    Set<AddressEntry> addressEntries = fromAddresses.stream().map(address -> {
        Optional<AddressEntry> addressEntryOptional = findAddressEntry(address, AddressEntry.Context.AVAILABLE);
        if (!addressEntryOptional.isPresent())
            addressEntryOptional = findAddressEntry(address, AddressEntry.Context.OFFER_FUNDING);
        if (!addressEntryOptional.isPresent())
            addressEntryOptional = findAddressEntry(address, AddressEntry.Context.TRADE_PAYOUT);
        if (!addressEntryOptional.isPresent())
            addressEntryOptional = findAddressEntry(address, AddressEntry.Context.ARBITRATOR);
        return addressEntryOptional;
    }).filter(Optional::isPresent).map(Optional::get).collect(Collectors.toSet());
    if (addressEntries.isEmpty())
        throw new AddressEntryException("No Addresses for withdraw found in our wallet");
    sendRequest.coinSelector = new BtcCoinSelector(walletsSetup.getAddressesFromAddressEntries(addressEntries));
    Optional<AddressEntry> addressEntryOptional = Optional.<AddressEntry>empty();
    AddressEntry changeAddressAddressEntry = null;
    if (changeAddress != null)
        addressEntryOptional = findAddressEntry(changeAddress, AddressEntry.Context.AVAILABLE);
    changeAddressAddressEntry = addressEntryOptional.orElseGet(() -> getFreshAddressEntry());
    checkNotNull(changeAddressAddressEntry, "change address must not be null");
    sendRequest.changeAddress = changeAddressAddressEntry.getAddress();
    return sendRequest;
}

Example 99 with Transaction

use of org.bitcoinj.core.Transaction in project bisq-core by bisq-network.

the class BtcWalletService method addInputsForMinerFee.

private Transaction addInputsForMinerFee(Transaction preparedTx, byte[] opReturnData) throws InsufficientMoneyException {
    // safety check counter to avoid endless loops
    int counter = 0;
    // estimated size of input sig
    final int sigSizePerInput = 106;
    // typical size for a tx with 3 inputs
    int txSizeWithUnsignedInputs = 300;
    final Coin txFeePerByte = feeService.getTxFeePerByte();
    Address changeAddress = getFreshAddressEntry().getAddress();
    checkNotNull(changeAddress, "changeAddress must not be null");
    final BtcCoinSelector coinSelector = new BtcCoinSelector(walletsSetup.getAddressesByContext(AddressEntry.Context.AVAILABLE));
    final List<TransactionInput> preparedBsqTxInputs = preparedTx.getInputs();
    final List<TransactionOutput> preparedBsqTxOutputs = preparedTx.getOutputs();
    int numInputs = preparedBsqTxInputs.size();
    Transaction resultTx = null;
    boolean isFeeOutsideTolerance;
    do {
        counter++;
        if (counter >= 10) {
            checkNotNull(resultTx, "resultTx must not be null");
            log.error("Could not calculate the fee. Tx=" + resultTx);
            break;
        }
        Transaction tx = new Transaction(params);
        preparedBsqTxInputs.forEach(tx::addInput);
        preparedBsqTxOutputs.forEach(tx::addOutput);
        SendRequest sendRequest = SendRequest.forTx(tx);
        sendRequest.shuffleOutputs = false;
        sendRequest.aesKey = aesKey;
        // signInputs needs to be false as it would try to sign all inputs (BSQ inputs are not in this wallet)
        sendRequest.signInputs = false;
        sendRequest.fee = txFeePerByte.multiply(txSizeWithUnsignedInputs + sigSizePerInput * numInputs);
        sendRequest.feePerKb = Coin.ZERO;
        sendRequest.ensureMinRequiredFee = false;
        sendRequest.coinSelector = coinSelector;
        sendRequest.changeAddress = changeAddress;
        wallet.completeTx(sendRequest);
        resultTx = sendRequest.tx;
        // add OP_RETURN output
        resultTx.addOutput(new TransactionOutput(params, resultTx, Coin.ZERO, ScriptBuilder.createOpReturnScript(opReturnData).getProgram()));
        numInputs = resultTx.getInputs().size();
        txSizeWithUnsignedInputs = resultTx.bitcoinSerialize().length;
        final long estimatedFeeAsLong = txFeePerByte.multiply(txSizeWithUnsignedInputs + sigSizePerInput * numInputs).value;
        // calculated fee must be inside of a tolerance range with tx fee
        isFeeOutsideTolerance = Math.abs(resultTx.getFee().value - estimatedFeeAsLong) > 1000;
    } while (isFeeOutsideTolerance);
    return resultTx;
}

Example 100 with Transaction

use of org.bitcoinj.core.Transaction in project bisq-core by bisq-network.

the class MakerSetupDepositTxListener method run.

@Override
protected void run() {
    try {
        runInterceptHook();
        if (trade.getDepositTx() == null && processModel.getPreparedDepositTx() != null) {
            BtcWalletService walletService = processModel.getBtcWalletService();
            final NetworkParameters params = walletService.getParams();
            Transaction preparedDepositTx = new Transaction(params, processModel.getPreparedDepositTx());
            checkArgument(!preparedDepositTx.getOutputs().isEmpty(), "preparedDepositTx.getOutputs() must not be empty");
            Address depositTxAddress = preparedDepositTx.getOutput(0).getAddressFromP2SH(params);
            final TransactionConfidence confidence = walletService.getConfidenceForAddress(depositTxAddress);
            if (isInNetwork(confidence)) {
                applyConfidence(confidence);
            } else {
                confidenceListener = new AddressConfidenceListener(depositTxAddress) {

                    @Override
                    public void onTransactionConfidenceChanged(TransactionConfidence confidence) {
                        if (isInNetwork(confidence))
                            applyConfidence(confidence);
                    }
                };
                walletService.addAddressConfidenceListener(confidenceListener);
                tradeStateSubscription = EasyBind.subscribe(trade.stateProperty(), newValue -> {
                    if (trade.isDepositPublished()) {
                        swapReservedForTradeEntry();
                        // hack to remove tradeStateSubscription at callback
                        UserThread.execute(this::unSubscribe);
                    }
                });
            }
        }
        // we complete immediately, our object stays alive because the balanceListener is stored in the WalletService
        complete();
    } catch (Throwable t) {
        failed(t);
    }
}