Function update_validation_weight

src/script/interpreter.cpp:442–450

Check the script has sufficient sigops budget for checksig(crypto) operation

// Check the script has sufficient sigops budget for checksig(crypto) operation
inline bool update_validation_weight(ScriptExecutionData& execdata, ScriptError* serror)
{
    assert(execdata.m_validation_weight_left_init);
    execdata.m_validation_weight_left -= VALIDATION_WEIGHT_PER_SIGOP_PASSED;
    if (execdata.m_validation_weight_left < 0) {
        return set_error(serror, SCRIPT_ERR_TAPSCRIPT_VALIDATION_WEIGHT);
    }
    return true;
}

static bool EvalChecksigPreTapscript(const valtype& vchSig, const valtype& vchPubKey, CScript::const_iterator pbegincodehash, CScript::const_iterator pend, unsigned int flags, const BaseSignatureChecker& checker, SigVersion sigversion, ScriptError* serror, bool& fSuccess)
{