Pregunta 3

unsigned int CScript::GetSigOpCount(bool fAccurate) const
{
    unsigned int n = 0;
    const_iterator pc = begin();
    opcodetype lastOpcode = OP_INVALIDOPCODE;
    while (pc < end())
    {
        opcodetype opcode;
        if (!GetOp(pc, opcode))
            break;
        if (opcode == OP_CHECKSIG || opcode == OP_CHECKSIGVERIFY)
            n++;
        else if (opcode == OP_CHECKMULTISIG || opcode == OP_CHECKMULTISIGVERIFY)
        {
            if (fAccurate && lastOpcode >= OP_1 && lastOpcode <= OP_16)
                n += DecodeOP_N(lastOpcode);
            else
                n += MAX_PUBKEYS_PER_MULTISIG;
        }
        lastOpcode = opcode;
    }
    return n;
}