Method IsPayToTaproot

src/script/script.cpp:241–246

}

bool CScript::IsPayToTaproot() const
{
    return (this->size() == 34 &&
            (*this)[0] == OP_1 &&
            (*this)[1] == 0x20);
}

// A witness program is any valid CScript that consists of a 1-byte push opcode
// followed by a data push between 2 and 40 bytes.