Method PushVersion

src/net.cpp:435–461

}

void CNode::PushVersion()
{
    int nBestHeight = g_signals.GetHeight().get_value_or(0);

    int64_t nTime = (fInbound ? GetAdjustedTime() : GetTime());
    CAddress addrYou = (addr.IsRoutable() && !IsProxy(addr) ? addr : CAddress(CService("0.0.0.0",0)));
    CAddress addrMe = CAddress(CService(), nLocalServices);
    GetRandBytes((unsigned char*)&nLocalHostNonce, sizeof(nLocalHostNonce));
    if (fLogIPs)
        LogPrint("net", "send version message: version %d, blocks=%d, us=%s, them=%s, peer=%d\n", PROTOCOL_VERSION, nBestHeight, addrMe.ToString(), addrYou.ToString(), id);
    else
        LogPrint("net", "send version message: version %d, blocks=%d, us=%s, peer=%d\n", PROTOCOL_VERSION, nBestHeight, addrMe.ToString(), id);

    // Stealth mode: pretend to be like Bitcoin Core to hide from DoS attackers.
    if (Opt().IsStealthMode()) {
        uint64_t services = 0;
        if (nLocalServices & NODE_NETWORK)
            services = NODE_NETWORK;

        PushMessage("version", 70002, services, nTime, addrYou, addrMe,
                nLocalHostNonce, XTSubVersion(0), nBestHeight, true);
    } else {
        int nMaxBlockSize = g_signals.GetMaxBlockSize().get_value_or(0);
        PushMessage("version", PROTOCOL_VERSION, nLocalServices, nTime, addrYou, addrMe,
                nLocalHostNonce, XTSubVersion(nMaxBlockSize), nBestHeight, true);
    }
}