Function MatchMultisig

src/script/standard.cpp:138–156

}

static bool MatchMultisig(const CScript& script, int& required_sigs, std::vector<valtype>& pubkeys)
{
    opcodetype opcode;
    valtype data;
    int num_keys;

    CScript::const_iterator it = script.begin();
    if (script.size() < 1 || script.back() != OP_CHECKMULTISIG) return false;

    if (!script.GetOp(it, opcode, data) || !GetMultisigKeyCount(opcode, data, required_sigs)) return false;
    while (script.GetOp(it, opcode, data) && CPubKey::ValidSize(data)) {
        pubkeys.emplace_back(std::move(data));
    }
    if (!GetMultisigKeyCount(opcode, data, num_keys)) return false;

    if (pubkeys.size() != static_cast<unsigned long>(num_keys) || num_keys < required_sigs) return false;

    return (it + 1 == script.end());
}

TxoutType Solver(const CScript& scriptPubKey, std::vector<std::vector<unsigned char>>& vSolutionsRet)
{