Function ConstructTransaction

src/rpc/rawtransaction_util.cpp:148–172

}

CMutableTransaction ConstructTransaction(const UniValue& inputs_in, const UniValue& outputs_in, const UniValue& locktime, std::optional<bool> rbf, const uint32_t version)
{
    CMutableTransaction rawTx;

    if (!locktime.isNull()) {
        int64_t nLockTime = locktime.getInt<int64_t>();
        if (nLockTime < 0 || nLockTime > LOCKTIME_MAX)
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, locktime out of range");
        rawTx.nLockTime = nLockTime;
    }

    if (version < TX_MIN_STANDARD_VERSION || version > TX_MAX_STANDARD_VERSION) {
        throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid parameter, version out of range(%d~%d)", TX_MIN_STANDARD_VERSION, TX_MAX_STANDARD_VERSION));
    }
    rawTx.version = version;

    AddInputs(rawTx, inputs_in, rbf);
    AddOutputs(rawTx, outputs_in);

    if (rbf.has_value() && rbf.value() && rawTx.vin.size() > 0 && !SignalsOptInRBF(CTransaction(rawTx))) {
        throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter combination: Sequence number(s) contradict replaceable option");
    }

    return rawTx;
}

/** Pushes a JSON object for script verification or signing errors to vErrorsRet. */
static void TxInErrorToJSON(const CTxIn& txin, UniValue& vErrorsRet, const std::string& strMessage)