Examples with TransactionDataResult io.nuls.account.ledger.model.TransactionDataResult used on opensource projects

Example 1 with TransactionDataResult

use of io.nuls.account.ledger.model.TransactionDataResult in project nuls by nuls-io.

the class AccountLedgerServiceImpl method sendToAddress.

@Override
public Result sendToAddress(byte[] from, byte[] to, Na values, String password, byte[] remark, Na price) {
    try {
        Result<Account> accountResult = accountService.getAccount(from);
        if (accountResult.isFailed()) {
            return accountResult;
        }
        Account account = accountResult.getData();
        if (account.isEncrypted() && account.isLocked()) {
            AssertUtil.canNotEmpty(password, "the password can not be empty");
            if (!account.validatePassword(password)) {
                return Result.getFailed(AccountErrorCode.PASSWORD_IS_WRONG);
            }
        }
        // 检查to是否为合约地址，如果是合约地址，则返回错误
        if (contractService.isContractAddress(to)) {
            return Result.getFailed(ContractErrorCode.NON_CONTRACTUAL_TRANSACTION_NO_TRANSFER);
        }
        if (price == null) {
            price = TransactionFeeCalculator.MIN_PRICE_PRE_1024_BYTES;
        }
        TransactionDataResult txResult = createTransferTx(from, values, price, to, remark);
        if (!txResult.isEnough()) {
            return Result.getFailed(AccountLedgerErrorCode.INSUFFICIENT_BALANCE);
        }
        Transaction tx = txResult.getTransaction();
        tx.setHash(NulsDigestData.calcDigestData(tx.serializeForHash()));
        // 生成签名
        List<ECKey> signEckeys = new ArrayList<>();
        List<ECKey> scriptEckeys = new ArrayList<>();
        ECKey eckey = account.getEcKey(password);
        // 如果最后一位为1则表示该交易包含普通签名
        if ((txResult.getSignType() & 0x01) == 0x01) {
            signEckeys.add(eckey);
        }
        // 如果倒数第二位位为1则表示该交易包含脚本签名
        if ((txResult.getSignType() & 0x02) == 0x02) {
            scriptEckeys.add(eckey);
        }
        SignatureUtil.createTransactionSignture(tx, scriptEckeys, signEckeys);
        // 保存未确认交易到本地账户
        Result saveResult = verifyAndSaveUnconfirmedTransaction(tx);
        if (saveResult.isFailed()) {
            if (KernelErrorCode.DATA_SIZE_ERROR.getCode().equals(saveResult.getErrorCode().getCode())) {
                // 重新算一次交易(不超出最大交易数据大小下)的最大金额
                Result rs = getMaxAmountOfOnce(from, tx, price);
                if (rs.isSuccess()) {
                    Na maxAmount = (Na) rs.getData();
                    rs = Result.getFailed(KernelErrorCode.DATA_SIZE_ERROR_EXTEND);
                    rs.setMsg(rs.getMsg() + maxAmount.toDouble());
                }
                return rs;
            }
            return saveResult;
        }
        // transactionService.newTx(tx);
        Result sendResult = transactionService.broadcastTx(tx);
        if (sendResult.isFailed()) {
            this.deleteTransaction(tx);
            return sendResult;
        }
        return Result.getSuccess().setData(tx.getHash().getDigestHex());
    } catch (IOException e) {
        Log.error(e);
        return Result.getFailed(KernelErrorCode.IO_ERROR);
    } catch (NulsException e) {
        Log.error(e);
        return Result.getFailed(e.getErrorCode());
    }
}

Example 2 with TransactionDataResult

use of io.nuls.account.ledger.model.TransactionDataResult in project nuls by nuls-io.

the class AccountLedgerServiceImpl method createTransferTx.

public TransactionDataResult createTransferTx(byte[] address, Na amount, Na price, byte[] to, byte[] remark) {
    TransactionDataResult result = new TransactionDataResult();
    result.setEnough(false);
    TransferTransaction tx = new TransferTransaction();
    tx.setRemark(remark);
    tx.setTime(TimeService.currentTimeMillis());
    CoinData coinData = new CoinData();
    lock.lock();
    try {
        int size = tx.size();
        int signType = 0;
        List<Coin> coinList = balanceManager.getCoinListByAddress(address);
        coinList = coinList.stream().filter(coin1 -> coin1.usable() && !Na.ZERO.equals(coin1.getNa())).sorted(CoinComparator.getInstance()).collect(Collectors.toList());
        if (coinList.isEmpty()) {
            return result;
        }
        List<Coin> coins = new ArrayList<>();
        Na values = Na.ZERO;
        // 累加到足够支付转出额与手续费
        for (int i = 0; i < coinList.size(); i++) {
            Coin coin = coinList.get(i);
            coins.add(coin);
            size += coin.size();
            if (i == 127) {
                size += 1;
            }
            /**
             * 判断是否是脚本验证UTXO
             */
            signType = result.getSignType();
            if (signType != 3) {
                if ((signType & 0x01) == 0 && coin.getTempOwner().length == 23) {
                    result.setSignType((byte) (signType | 0x01));
                    size += P2PHKSignature.SERIALIZE_LENGTH;
                } else if ((signType & 0x02) == 0 && coin.getTempOwner().length != 23) {
                    result.setSignType((byte) (signType | 0x02));
                    size += P2PHKSignature.SERIALIZE_LENGTH;
                }
            }
            values = values.add(coin.getNa());
            if (values.isGreaterOrEquals(amount)) {
                result.setEnough(true);
                break;
            }
        }
        if (!result.isEnough()) {
            return result;
        }
        // 如果为多签地址则以脚本方式存储
        Coin toCoin;
        if (to[2] == NulsContext.P2SH_ADDRESS_TYPE) {
            Script scriptPubkey = SignatureUtil.createOutputScript(to);
            toCoin = new Coin(scriptPubkey.getProgram(), values);
        } else {
            toCoin = new Coin(to, values);
        }
        coinData.getTo().add(toCoin);
        // 如果金额足够，判断是否找零，以及计算手续费
        if (values.isGreaterThan(amount)) {
            Na change = values.subtract(amount);
            Coin changeCoin = new Coin();
            if (address[2] == NulsContext.P2SH_ADDRESS_TYPE) {
                changeCoin.setOwner(SignatureUtil.createOutputScript(address).getProgram());
            } else {
                changeCoin.setOwner(address);
            }
            changeCoin.setNa(change);
            coinData.getTo().add(changeCoin);
        }
        size += coinData.size();
        Na fee = TransactionFeeCalculator.getFee(size, price);
        toCoin.setNa(amount.subtract(fee));
        coinData.setFrom(coins);
        tx.setCoinData(coinData);
        result.setTransaction(tx);
        return result;
    } finally {
        lock.unlock();
    }
}