Function ParseSighashString

src/rpc/util.cpp:357–367

* Returns a sighash value corresponding to the passed in argument. * * @pre The sighash argument should be string or null. */

 * @pre The sighash argument should be string or null.
*/
std::optional<int> ParseSighashString(const UniValue& sighash)
{
    if (sighash.isNull()) {
        return std::nullopt;
    }
    const auto result{SighashFromStr(sighash.get_str())};
    if (!result) {
        throw JSONRPCError(RPC_INVALID_PARAMETER, util::ErrorString(result).original);
    }
    return result.value();
}

unsigned int ParseConfirmTarget(const UniValue& value, unsigned int max_target)
{