Function CountWitnessSigOps

src/script/interpreter.cpp:1591–1620

}

size_t CountWitnessSigOps(const CScript& scriptSig, const CScript& scriptPubKey, const CScriptWitness* witness, unsigned int flags)
{
    static const CScriptWitness witnessEmpty;

    if ((flags & SCRIPT_VERIFY_WITNESS) == 0) {
        return 0;
    }
    assert((flags & SCRIPT_VERIFY_P2SH) != 0);

    int witnessversion;
    std::vector<unsigned char> witnessprogram;
    if (scriptPubKey.IsWitnessProgram(witnessversion, witnessprogram)) {
        return WitnessSigOps(witnessversion, witnessprogram, witness ? *witness : witnessEmpty, flags);
    }

    if (scriptPubKey.IsPayToScriptHash() && scriptSig.IsPushOnly()) {
        CScript::const_iterator pc = scriptSig.begin();
        vector<unsigned char> data;
        while (pc < scriptSig.end()) {
            opcodetype opcode;
            scriptSig.GetOp(pc, opcode, data);
        }
        CScript subscript(data.begin(), data.end());
        if (subscript.IsWitnessProgram(witnessversion, witnessprogram)) {
            return WitnessSigOps(witnessversion, witnessprogram, witness ? *witness : witnessEmpty, flags);
        }
    }

    return 0;
}