Function MutateTxAddInput

src/bitcoin-tx.cpp:255–288

}

static void MutateTxAddInput(CMutableTransaction& tx, const std::string& strInput)
{
    std::vector<std::string> vStrInputParts;
    boost::split(vStrInputParts, strInput, boost::is_any_of(":"));

    // separate TXID:VOUT in string
    if (vStrInputParts.size()<2)
        throw std::runtime_error("TX input missing separator");

    // extract and validate TXID
    uint256 txid;
    if (!ParseHashStr(vStrInputParts[0], txid)) {
        throw std::runtime_error("invalid TX input txid");
    }

    static const unsigned int minTxOutSz = 9;
    static const unsigned int maxVout = MAX_BLOCK_WEIGHT / (WITNESS_SCALE_FACTOR * minTxOutSz);

    // extract and validate vout
    const std::string& strVout = vStrInputParts[1];
    int64_t vout;
    if (!ParseInt64(strVout, &vout) || vout < 0 || vout > static_cast<int64_t>(maxVout))
        throw std::runtime_error("invalid TX input vout '" + strVout + "'");

    // extract the optional sequence number
    uint32_t nSequenceIn = CTxIn::SEQUENCE_FINAL;
    if (vStrInputParts.size() > 2) {
        nSequenceIn = TrimAndParse<uint32_t>(vStrInputParts.at(2), "invalid TX sequence id");
    }

    // append to transaction input list
    CTxIn txin(txid, vout, CScript(), nSequenceIn);
    tx.vin.push_back(txin);
}

static void MutateTxAddOutAddr(CMutableTransaction& tx, const std::string& strInput)
{