For software that interfaces with Bitcoin Core via RPC, it can be useful to know whether the fRelayTxes flag is set. It could be added to `getnetworkinfo`.

{
                        if (txin.nSequence < std::numeric_limits<unsigned int>::max()-1)
                        {
                            fReplacementOptOut = false;
                            break;
                        }
                    }
                }
                if (fReplacementOptOut)
                    return state.Invalid(false, REJECT_CONFLICT, "txn-mempool-conflict");
                setConflicts.insert(ptxConflicting->GetHash());
            }
        }
    }
    }
    {
        CCoinsView dummy;
        CCoinsViewCache view(&dummy);
        CAmount nValueIn = 0;
        LockPoints lp;
        {