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`.

{
    LOCK(cs_setBanned); 
    setBannedIsDirty = dirty;
}
std::vector<CSubNet> CNode::vWhitelistedRange;
CCriticalSection CNode::cs_vWhitelistedRange;
bool CNode::IsWhitelistedRange(const CNetAddr &addr) {
    LOCK(cs_vWhitelistedRange);
    BOOST_FOREACH(const CSubNet& subnet, vWhitelistedRange) {
        if (subnet.Match(addr))
            return true;
    }
    return false;
}
void CNode::AddWhitelistedRange(const CSubNet &subnet) {
    LOCK(cs_vWhitelistedRange);
    vWhitelistedRange.push_back(subnet);
}
#undef X
#define X(name) stats.name = name
void CNode::copyStats(CNodeStats &stats)
{
    stats.nodeid = this->GetId();
    X(nServices);
    X(fRelayTxes);
    X(nLastSend);
    X(nLastRecv);
    X(nTimeConnected);