Examples with BIP69InputComparator com.samourai.wallet.bip69.BIP69InputComparator used on opensource projects

Example 1 with BIP69InputComparator

use of com.samourai.wallet.bip69.BIP69InputComparator in project samourai-wallet-android by Samourai-Wallet.

the class Stowaway method doStep3.

// 
// receiver
// 
public boolean doStep3(HashMap<String, ECKey> keyBag) {
    Transaction transaction = this.getTransaction();
    List<TransactionInput> inputs = new ArrayList<TransactionInput>();
    inputs.addAll(transaction.getInputs());
    Collections.sort(inputs, new BIP69InputComparator());
    transaction.clearInputs();
    for (TransactionInput input : inputs) {
        transaction.addInput(input);
    }
    List<TransactionOutput> outputs = new ArrayList<TransactionOutput>();
    outputs.addAll(transaction.getOutputs());
    Collections.sort(outputs, new BIP69OutputComparator());
    transaction.clearOutputs();
    for (TransactionOutput output : outputs) {
        transaction.addOutput(output);
    }
    psbt.setTransaction(transaction);
    signTx(keyBag);
    this.setStep(3);
    return true;
}

Example 2 with BIP69InputComparator

use of com.samourai.wallet.bip69.BIP69InputComparator in project samourai-wallet-android by Samourai-Wallet.

the class SendFactory method makeTransaction.

/*
    Used by spends
     */
private Transaction makeTransaction(int accountIdx, HashMap<String, BigInteger> receivers, List<MyTransactionOutPoint> unspent) throws Exception {
    BigInteger amount = BigInteger.ZERO;
    for (Iterator<Map.Entry<String, BigInteger>> iterator = receivers.entrySet().iterator(); iterator.hasNext(); ) {
        Map.Entry<String, BigInteger> mapEntry = iterator.next();
        amount = amount.add(mapEntry.getValue());
    }
    List<TransactionOutput> outputs = new ArrayList<TransactionOutput>();
    Transaction tx = new Transaction(SamouraiWallet.getInstance().getCurrentNetworkParams());
    for (Iterator<Map.Entry<String, BigInteger>> iterator = receivers.entrySet().iterator(); iterator.hasNext(); ) {
        Map.Entry<String, BigInteger> mapEntry = iterator.next();
        String toAddress = mapEntry.getKey();
        BigInteger value = mapEntry.getValue();
        /*
            if(value.compareTo(SamouraiWallet.bDust) < 1)    {
                throw new Exception(context.getString(R.string.dust_amount));
            }
*/
        if (value == null || (value.compareTo(BigInteger.ZERO) <= 0 && !FormatsUtil.getInstance().isValidBIP47OpReturn(toAddress))) {
            throw new Exception(context.getString(R.string.invalid_amount));
        }
        TransactionOutput output = null;
        Script toOutputScript = null;
        if (!FormatsUtil.getInstance().isValidBitcoinAddress(toAddress) && FormatsUtil.getInstance().isValidBIP47OpReturn(toAddress)) {
            toOutputScript = new ScriptBuilder().op(ScriptOpCodes.OP_RETURN).data(Hex.decode(toAddress)).build();
            output = new TransactionOutput(SamouraiWallet.getInstance().getCurrentNetworkParams(), null, Coin.valueOf(0L), toOutputScript.getProgram());
        } else if (FormatsUtil.getInstance().isValidBech32(toAddress)) {
            output = Bech32Util.getInstance().getTransactionOutput(toAddress, value.longValue());
        } else {
            toOutputScript = ScriptBuilder.createOutputScript(org.bitcoinj.core.Address.fromBase58(SamouraiWallet.getInstance().getCurrentNetworkParams(), toAddress));
            output = new TransactionOutput(SamouraiWallet.getInstance().getCurrentNetworkParams(), null, Coin.valueOf(value.longValue()), toOutputScript.getProgram());
        }
        outputs.add(output);
    }
    List<MyTransactionInput> inputs = new ArrayList<MyTransactionInput>();
    for (MyTransactionOutPoint outPoint : unspent) {
        Script script = new Script(outPoint.getScriptBytes());
        if (script.getScriptType() == Script.ScriptType.NO_TYPE) {
            continue;
        }
        MyTransactionInput input = new MyTransactionInput(SamouraiWallet.getInstance().getCurrentNetworkParams(), null, new byte[0], outPoint, outPoint.getTxHash().toString(), outPoint.getTxOutputN());
        if (PrefsUtil.getInstance(context).getValue(PrefsUtil.RBF_OPT_IN, false) == true) {
            input.setSequenceNumber(SamouraiWallet.RBF_SEQUENCE_VAL.longValue());
        }
        inputs.add(input);
    }
    // 
    // deterministically sort inputs and outputs, see BIP69 (OBPP)
    // 
    Collections.sort(inputs, new BIP69InputComparator());
    for (TransactionInput input : inputs) {
        tx.addInput(input);
    }
    Collections.sort(outputs, new BIP69OutputComparator());
    for (TransactionOutput to : outputs) {
        tx.addOutput(to);
    }
    return tx;
}

Example 3 with BIP69InputComparator

use of com.samourai.wallet.bip69.BIP69InputComparator in project samourai-wallet-android by Samourai-Wallet.

the class STONEWALLx2 method doStep3.

// 
// counterparty
// 
protected boolean doStep3(HashMap<String, ECKey> keyBag) {
    Transaction transaction = this.getTransaction();
    List<TransactionInput> inputs = new ArrayList<TransactionInput>();
    inputs.addAll(transaction.getInputs());
    Collections.sort(inputs, new BIP69InputComparator());
    transaction.clearInputs();
    for (TransactionInput input : inputs) {
        transaction.addInput(input);
    }
    List<TransactionOutput> outputs = new ArrayList<TransactionOutput>();
    outputs.addAll(transaction.getOutputs());
    Collections.sort(outputs, new BIP69OutputComparator());
    transaction.clearOutputs();
    for (TransactionOutput output : outputs) {
        transaction.addOutput(output);
    }
    psbt.setTransaction(transaction);
    signTx(keyBag);
    this.setStep(3);
    return true;
}