Method IsPegoutScript

src/script/script.cpp:248–278

// ELEMENTS:

bool CScript::IsPegoutScript(uint256& genesis_hash, CScript& pegout_scriptpubkey) const
{
    const_iterator pc = begin();
    std::vector<unsigned char> data;
    opcodetype opcode;

    // OP_RETURN
    if (!GetOp(pc, opcode, data) || opcode != OP_RETURN) {
        return false;
    }

    if (!GetOp(pc, opcode, data) || data.size() != 32 || opcode > OP_PUSHDATA4) {
        return false;
    }
    genesis_hash = uint256(data);

    // Read in parent chain destination scriptpubkey
    if (!GetOp(pc, opcode, data) || opcode > OP_PUSHDATA4 ) {
        return false;
    }
    pegout_scriptpubkey = CScript(data.begin(), data.end());

    // All extra opcodes must be pushes
    while(GetOp(pc, opcode, data)) {
        if (opcode > OP_PUSHDATA4) {
            return false;
        }
    }

    return true;
}

bool CScript::IsPegoutScript(const uint256& genesis_hash_check) const
{