C++ CConnman類代碼示例

bool CDarksendQueue::Relay(CConnman& connman)
{
    connman.ForEachNode([&connman, this](CNode* pnode) {
        CNetMsgMaker msgMaker(pnode->GetSendVersion());
        if (pnode->nVersion >= MIN_PRIVATESEND_PEER_PROTO_VERSION)
            connman.PushMessage(pnode, msgMaker.Make(NetMsgType::DSQUEUE, (*this)));
    });
    return true;
}

void CMasternodeSync::SendGovernanceSyncRequest(CNode* pnode, CConnman& connman)
{
    const CNetMsgMaker msgMaker(pnode->GetSendVersion());
    if(pnode->nVersion >= GOVERNANCE_FILTER_PROTO_VERSION) {
        CBloomFilter filter;
        filter.clear();

        connman.PushMessage(pnode, msgMaker.Make(NetMsgType::MNGOVERNANCESYNC, uint256(), filter));
        // connman.PushMessage(pnode, NetMsgType::MNGOVERNANCESYNC, uint256(), filter);
    }
    else {
        connman.PushMessage(pnode, msgMaker.Make(NetMsgType::MNGOVERNANCESYNC, uint256()));
        // connman.PushMessage(pnode, NetMsgType::MNGOVERNANCESYNC, uint256());
    }
}

void CGovernanceManager::ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStream& vRecv, CConnman& connman)
{
    // lite mode is not supported
    if(fLiteMode) return;
    if(!masternodeSync.IsBlockchainSynced()) return;

    // ANOTHER USER IS ASKING US TO HELP THEM SYNC GOVERNANCE OBJECT DATA
    if (strCommand == NetMsgType::MNGOVERNANCESYNC)
    {

        if(pfrom->nVersion < MIN_GOVERNANCE_PEER_PROTO_VERSION) {
            LogPrint("gobject", "MNGOVERNANCESYNC -- peer=%d using obsolete version %i\n", pfrom->id, pfrom->nVersion);
            connman.PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::REJECT, strCommand, REJECT_OBSOLETE,
                               strprintf("Version must be %d or greater", MIN_GOVERNANCE_PEER_PROTO_VERSION)));
            return;
        }

        // Ignore such requests until we are fully synced.
        // We could start processing this after masternode list is synced
        // but this is a heavy one so it's better to finish sync first.
        if (!masternodeSync.IsSynced()) return;

        uint256 nProp;
        CBloomFilter filter;

        vRecv >> nProp;

        if(pfrom->nVersion >= GOVERNANCE_FILTER_PROTO_VERSION) {
            vRecv >> filter;
            filter.UpdateEmptyFull();
        }
        else {

void CTxLockCandidate::Relay(CConnman& connman) const
{
    connman.RelayTransaction(*txLockRequest.tx);
    std::map<COutPoint, COutPointLock>::const_iterator itOutpointLock = mapOutPointLocks.begin();
    while(itOutpointLock != mapOutPointLocks.end()) {
        itOutpointLock->second.Relay(connman);
        ++itOutpointLock;
    }
}

void CGovernanceVote::Relay(CConnman& connman) const
{
    // Do not relay until fully synced
    if(!masternodeSync.IsSynced()) {
        LogPrint("gobject", "CGovernanceVote::Relay -- won't relay until fully synced\n");
        return;
    }

    CInv inv(MSG_GOVERNANCE_OBJECT_VOTE, GetHash());
    connman.RelayInv(inv, MIN_GOVERNANCE_PEER_PROTO_VERSION);
}

void CMasternodePing::Relay(CConnman& connman)
{
    // Do not relay until fully synced
    if (!masternodeSync.IsSynced()) {
        LogPrint(MCLog::MN, "CMasternodePing::Relay -- won't relay until fully synced\n");
        return;
    }

    CInv inv(MSG_MASTERNODE_PING, GetHash());
    connman.RelayInv(inv);
}

void CMasternodeSync::SwitchToNextAsset(CConnman& connman)
{
    switch(nRequestedMasternodeAssets)
    {
        case(MASTERNODE_SYNC_FAILED):
            throw std::runtime_error("Can't switch to next asset from failed, should use Reset() first!");
            break;
        case(MASTERNODE_SYNC_INITIAL):
            nRequestedMasternodeAssets = MASTERNODE_SYNC_WAITING;
            LogPrint(MCLog::MN, "CMasternodeSync::SwitchToNextAsset -- Starting %s\n", GetAssetName());
            break;
        case(MASTERNODE_SYNC_WAITING):
            LogPrint(MCLog::MN, "CMasternodeSync::SwitchToNextAsset -- Completed %s in %llds\n", GetAssetName(), GetTime() - nTimeAssetSyncStarted);
            nRequestedMasternodeAssets = MASTERNODE_SYNC_LIST;
            LogPrint(MCLog::MN, "CMasternodeSync::SwitchToNextAsset -- Starting %s\n", GetAssetName());
            break;
        case(MASTERNODE_SYNC_LIST):
            LogPrint(MCLog::MN, "CMasternodeSync::SwitchToNextAsset -- Completed %s in %llds\n", GetAssetName(), GetTime() - nTimeAssetSyncStarted);
            nRequestedMasternodeAssets = MASTERNODE_SYNC_MNW;
            LogPrint(MCLog::MN, "CMasternodeSync::SwitchToNextAsset -- Starting %s\n", GetAssetName());
            break;
        case(MASTERNODE_SYNC_MNW):
            LogPrint(MCLog::MN, "CMasternodeSync::SwitchToNextAsset -- Completed %s in %llds\n", GetAssetName(), GetTime() - nTimeAssetSyncStarted);
            nRequestedMasternodeAssets = MASTERNODE_SYNC_GOVERNANCE;
            LogPrint(MCLog::MN, "CMasternodeSync::SwitchToNextAsset -- Starting %s\n", GetAssetName());
            break;
        case(MASTERNODE_SYNC_GOVERNANCE):
            LogPrint(MCLog::MN, "CMasternodeSync::SwitchToNextAsset -- Completed %s in %llds\n", GetAssetName(), GetTime() - nTimeAssetSyncStarted);
            nRequestedMasternodeAssets = MASTERNODE_SYNC_FINISHED;
            uiInterface.NotifyAdditionalDataSyncProgressChanged(1);
            //try to activate our masternode if possible
            activeMasternode.ManageState(connman);

            connman.ForEachNode(CConnman::AllNodes, [](CNode* pnode) {
                netfulfilledman.AddFulfilledRequest(pnode->addr, "full-sync");
            });
            LogPrint(MCLog::MN, "CMasternodeSync::SwitchToNextAsset -- Sync has finished\n");

            break;
    }
    nRequestedMasternodeAttempt = 0;
    nTimeAssetSyncStarted = GetTime();
    BumpAssetLastTime("CMasternodeSync::SwitchToNextAsset");
}

void CInstantSend::ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStream& vRecv, CConnman& connman)
{
    if(fLiteMode) return; // disable all Syscoin specific functionality
    if(!sporkManager.IsSporkActive(SPORK_2_INSTANTSEND_ENABLED)) return;

    // NOTE: NetMsgType::TXLOCKREQUEST is handled via ProcessMessage() in net_processing.cpp

    if (strCommand == NetMsgType::TXLOCKVOTE) // InstantSend Transaction Lock Consensus Votes
    {
        if(pfrom->nVersion < MIN_INSTANTSEND_PROTO_VERSION) {
            LogPrint("instantsend", "TXLOCKVOTE -- peer=%d using obsolete version %i\n", pfrom->id, pfrom->nVersion);
            connman.PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::REJECT, strCommand, REJECT_OBSOLETE,
                               strprintf("Version must be %d or greater", MIN_INSTANTSEND_PROTO_VERSION)));
            return;
        }

        CTxLockVote vote;
        vRecv >> vote;


        uint256 nVoteHash = vote.GetHash();

        pfrom->setAskFor.erase(nVoteHash);

        // Ignore any InstantSend messages until masternode list is synced
        if(!masternodeSync.IsMasternodeListSynced()) return;

		LOCK(cs_main);
#ifdef ENABLE_WALLET
		if (pwalletMain)
			LOCK(pwalletMain->cs_wallet);
#endif
		LOCK(cs_instantsend);
           
        auto ret = mapTxLockVotes.emplace(nVoteHash, vote);
        if (!ret.second) return;
        

        ProcessNewTxLockVote(pfrom, vote, connman);

        return;
    }
}

void CMasternodePayments::ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStream& vRecv, CConnman& connman)
{
    if(fLiteMode) return; // disable all polis specific functionality

    if (strCommand == NetMsgType::MASTERNODEPAYMENTSYNC) { //Masternode Payments Request Sync

        if(pfrom->nVersion < GetMinMasternodePaymentsProto()) {
            LogPrint("mnpayments", "MASTERNODEPAYMENTSYNC -- peer=%d using obsolete version %i\n", pfrom->id, pfrom->nVersion);
            connman.PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::REJECT, strCommand, REJECT_OBSOLETE,
                               strprintf("Version must be %d or greater", GetMinMasternodePaymentsProto())));
            return;
        }

        // Ignore such requests until we are fully synced.
        // We could start processing this after masternode list is synced
        // but this is a heavy one so it's better to finish sync first.
        if (!masternodeSync.IsSynced()) return;

        // DEPRECATED, should be removed on next protocol bump
        if(pfrom->nVersion == 70208) {
            int nCountNeeded;
            vRecv >> nCountNeeded;
        }

        if(netfulfilledman.HasFulfilledRequest(pfrom->addr, NetMsgType::MASTERNODEPAYMENTSYNC)) {
            LOCK(cs_main);
            // Asking for the payments list multiple times in a short period of time is no good
            LogPrintf("MASTERNODEPAYMENTSYNC -- peer already asked me for the list, peer=%d\n", pfrom->id);
            Misbehaving(pfrom->GetId(), 20);
            return;
        }
        netfulfilledman.AddFulfilledRequest(pfrom->addr, NetMsgType::MASTERNODEPAYMENTSYNC);

        Sync(pfrom, connman);
        LogPrintf("MASTERNODEPAYMENTSYNC -- Sent Masternode payment votes to peer=%d\n", pfrom->id);

    } else if (strCommand == NetMsgType::MASTERNODEPAYMENTVOTE) { // Masternode Payments Vote for the Winner

void CActiveMasternode::ManageStateInitial(CConnman& connman)
{
    LogPrint("masternode", "CActiveMasternode::ManageStateInitial -- status = %s, type = %s, pinger enabled = %d\n", GetStatus(), GetTypeString(), fPingerEnabled);

    // Check that our local network configuration is correct
    if (!fListen) {
        // listen option is probably overwritten by smth else, no good
        nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
        strNotCapableReason = "Masternode must accept connections from outside. Make sure listen configuration option is not overwritten by some another parameter.";
        LogPrintf("CActiveMasternode::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
        return;
    }

    // First try to find whatever local address is specified by externalip option
    bool fFoundLocal = GetLocal(service) && CMasternode::IsValidNetAddr(service);
    if(!fFoundLocal) {
        bool empty = true;
        // If we have some peers, let's try to find our local address from one of them
        connman.ForEachNodeContinueIf(CConnman::AllNodes, [&fFoundLocal, &empty, this](CNode* pnode) {
            empty = false;
            if (pnode->addr.IsIPv4())
                fFoundLocal = GetLocal(service, &pnode->addr) && CMasternode::IsValidNetAddr(service);
            return !fFoundLocal;
        });
        // nothing and no live connections, can't do anything for now
        if (empty) {
            nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
            strNotCapableReason = "Can't detect valid external address. Will retry when there are some connections available.";
            LogPrintf("CActiveMasternode::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
            return;
        }
    }

    if(!fFoundLocal) {
        nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
        strNotCapableReason = "Can't detect valid external address. Please consider using the externalip configuration option if problem persists. Make sure to use IPv4 address only.";
        LogPrintf("CActiveMasternode::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
        return;
    }

    int mainnetDefaultPort = Params(CBaseChainParams::MAIN).GetDefaultPort();
    if(Params().NetworkIDString() == CBaseChainParams::MAIN) {
        if(service.GetPort() != mainnetDefaultPort) {
            nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
            strNotCapableReason = strprintf("Invalid port: %u - only %d is supported on mainnet.", service.GetPort(), mainnetDefaultPort);
            LogPrintf("CActiveMasternode::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
            return;
        }
    } else if(service.GetPort() == mainnetDefaultPort) {
        nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
        strNotCapableReason = strprintf("Invalid port: %u - %d is only supported on mainnet.", service.GetPort(), mainnetDefaultPort);
        LogPrintf("CActiveMasternode::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
        return;
    }

    LogPrintf("CActiveMasternode::ManageStateInitial -- Checking inbound connection to '%s'\n", service.ToString());

    if(!connman.ConnectNode(CAddress(service, NODE_NETWORK), NULL, true)) {
        nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
        strNotCapableReason = "Could not connect to " + service.ToString();
        LogPrintf("CActiveMasternode::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
        return;
    }

    // Default to REMOTE
    eType = MASTERNODE_REMOTE;

    // Check if wallet funds are available
    if(!pwalletMain) {
        LogPrintf("CActiveMasternode::ManageStateInitial -- %s: Wallet not available\n", GetStateString());
        return;
    }

    if(pwalletMain->IsLocked()) {
        LogPrintf("CActiveMasternode::ManageStateInitial -- %s: Wallet is locked\n", GetStateString());
        return;
    }

    if(pwalletMain->GetBalance() < 1000*COIN) {
        LogPrintf("CActiveMasternode::ManageStateInitial -- %s: Wallet balance is < 1000 TINCOIN\n", GetStateString());
        return;
    }

    // Choose coins to use
    CPubKey pubKeyCollateral;
    CKey keyCollateral;

    // If collateral is found switch to LOCAL mode
    if(pwalletMain->GetMasternodeOutpointAndKeys(outpoint, pubKeyCollateral, keyCollateral)) {
        eType = MASTERNODE_LOCAL;
    }

    LogPrint("masternode", "CActiveMasternode::ManageStateInitial -- End status = %s, type = %s, pinger enabled = %d\n", GetStatus(), GetTypeString(), fPingerEnabled);
}

void CMasternodeSync::ProcessTick(CConnman& connman)
{
    static int nTick = 0;
    if(nTick++ % MASTERNODE_SYNC_TICK_SECONDS != 0) return;

    // reset the sync process if the last call to this function was more than 60 minutes ago (client was in sleep mode)
    static int64_t nTimeLastProcess = GetTime();
    if(GetTime() - nTimeLastProcess > 60*60) {
        LogPrint(MCLog::MN, "CMasternodeSync::ProcessTick -- WARNING: no actions for too long, restarting sync...\n");
        Reset();
        SwitchToNextAsset(connman);
        nTimeLastProcess = GetTime();
        return;
    }
    nTimeLastProcess = GetTime();

    // reset sync status in case of any other sync failure
    if(IsFailed()) {
        if(nTimeLastFailure + (1*60) < GetTime()) { // 1 minute cooldown after failed sync
            LogPrint(MCLog::MN, "CMasternodeSync::ProcessTick -- WARNING: failed to sync, trying again...\n");
            Reset();
            SwitchToNextAsset(connman);
        }
        return;
    }

    // gradually request the rest of the votes after sync finished
    if(IsSynced()) {
        std::vector<CNode*> vNodesCopy = connman.CopyNodeVector(CConnman::FullyConnectedOnly);
        governance.RequestGovernanceObjectVotes(vNodesCopy, connman);
        connman.ReleaseNodeVector(vNodesCopy);
        return;
    }

    // Calculate "progress" for LOG reporting / GUI notification
    double nSyncProgress = double(nRequestedMasternodeAttempt + (nRequestedMasternodeAssets - 1) * 8) / (8*4);
    LogPrint(MCLog::MN, "CMasternodeSync::ProcessTick -- nTick %d nRequestedMasternodeAssets %d nRequestedMasternodeAttempt %d nSyncProgress %f\n", nTick, nRequestedMasternodeAssets, nRequestedMasternodeAttempt, nSyncProgress);
    uiInterface.NotifyAdditionalDataSyncProgressChanged(nSyncProgress);

    std::vector<CNode*> vNodesCopy = connman.CopyNodeVector(CConnman::FullyConnectedOnly);

    for (auto& pnode : vNodesCopy)
    {
        // Don't try to sync any data from outbound "masternode" connections -
        // they are temporary and should be considered unreliable for a sync process.
        // Inbound connection this early is most likely a "masternode" connection
        // initiated from another node, so skip it too.
        if(pnode->fMasternode || (fMasternodeMode && pnode->fInbound)) continue;
        
        const CNetMsgMaker msgMaker(pnode->GetSendVersion());
        
        // QUICK MODE (REGTEST ONLY!)
        if(Params().NetworkIDString() == CBaseChainParams::REGTEST)
        {
            if(nRequestedMasternodeAttempt <= 2) {
                mnodeman.DsegUpdate(pnode, connman);
            } else if(nRequestedMasternodeAttempt < 4) {
                //sync payment votes
                if(pnode->nVersion == 70018) {
                    connman.PushMessage(pnode, msgMaker.Make(NetMsgType::MASTERNODEPAYMENTSYNC, mnpayments.GetStorageLimit())); //sync payment votes
                } else {
                    connman.PushMessage(pnode, msgMaker.Make(NetMsgType::MASTERNODEPAYMENTSYNC)); //sync payment votes
                }
                // connman.PushMessage(pnode, NetMsgType::MASTERNODEPAYMENTSYNC, nMnCount); //sync payment votes
                SendGovernanceSyncRequest(pnode, connman);
            } else {
                nRequestedMasternodeAssets = MASTERNODE_SYNC_FINISHED;
            }
            nRequestedMasternodeAttempt++;
            connman.ReleaseNodeVector(vNodesCopy);
            return;
        }

        // NORMAL NETWORK MODE - TESTNET/MAINNET
        {
            if(netfulfilledman.HasFulfilledRequest(pnode->addr, "full-sync")) {
                // We already fully synced from this node recently,
                // disconnect to free this connection slot for another peer.
                pnode->fDisconnect = true;
                LogPrint(MCLog::MN, "CMasternodeSync::ProcessTick -- disconnecting from recently synced peer=%d\n", pnode->GetId());
                continue;
            }

            // INITIAL TIMEOUT

            if(nRequestedMasternodeAssets == MASTERNODE_SYNC_WAITING) {
                if(GetTime() - nTimeLastBumped > MASTERNODE_SYNC_TIMEOUT_SECONDS) {
                    // At this point we know that:
                    // a) there are peers (because we are looping on at least one of them);
                    // b) we waited for at least MASTERNODE_SYNC_TIMEOUT_SECONDS since we reached
                    //    the headers tip the last time (i.e. since we switched from
                    //     MASTERNODE_SYNC_INITIAL to MASTERNODE_SYNC_WAITING and bumped time);
                    // c) there were no blocks (UpdatedBlockTip, NotifyHeaderTip) or headers (AcceptedBlockHeader)
                    //    for at least MASTERNODE_SYNC_TIMEOUT_SECONDS.
                    // We must be at the tip already, let's move to the next asset.
                    SwitchToNextAsset(connman);
                }
            }

            // MNLIST : SYNC MASTERNODE LIST FROM OTHER CONNECTED CLIENTS
//.........這裏部分代碼省略.........

void ThreadSendAlert(CConnman& connman)
{
    if (!mapArgs.count("-sendalert") && !mapArgs.count("-printalert"))
        return;

    // Wait one minute so we get well connected. If we only need to print
    // but not to broadcast - do this right away.
    if (mapArgs.count("-sendalert"))
        MilliSleep(60*1000);

    //
    // Alerts are relayed around the network until nRelayUntil, flood
    // filling to every node.
    // After the relay time is past, new nodes are told about alerts
    // when they connect to peers, until either nExpiration or
    // the alert is cancelled by a newer alert.
    // Nodes never save alerts to disk, they are in-memory-only.
    //
    CAlert alert;
    alert.nRelayUntil   = GetAdjustedTime() + 15 * 60;
    alert.nExpiration   = GetAdjustedTime() + 30 * 60 * 60;
    alert.nID           = 1;  // keep track of alert IDs somewhere
    alert.nCancel       = 0;   // cancels previous messages up to this ID number

    // These versions are protocol versions
    alert.nMinVer       = 70000;
    alert.nMaxVer       = 70103;

    //
    //  1000 for Misc warnings like out of disk space and clock is wrong
    //  2000 for longer invalid proof-of-work chain
    //  Higher numbers mean higher priority
    alert.nPriority     = 5000;
    alert.strComment    = "";
    alert.strStatusBar  = "URGENT: Upgrade required: see https://www.terracoin.io";

    // Set specific client version/versions here. If setSubVer is empty, no filtering on subver is done:
    // alert.setSubVer.insert(std::string("/Terracoin Core:0.12.0.58/"));

    // Sign
    if(!alert.Sign())
    {
        LogPrintf("ThreadSendAlert() : could not sign alert\n");
        return;
    }

    // Test
    CDataStream sBuffer(SER_NETWORK, CLIENT_VERSION);
    sBuffer << alert;
    CAlert alert2;
    sBuffer >> alert2;
    if (!alert2.CheckSignature(Params().AlertKey()))
    {
        printf("ThreadSendAlert() : CheckSignature failed\n");
        return;
    }
    assert(alert2.vchMsg == alert.vchMsg);
    assert(alert2.vchSig == alert.vchSig);
    alert.SetNull();
    printf("\nThreadSendAlert:\n");
    printf("hash=%s\n", alert2.GetHash().ToString().c_str());
    printf("%s", alert2.ToString().c_str());
    printf("vchMsg=%s\n", HexStr(alert2.vchMsg).c_str());
    printf("vchSig=%s\n", HexStr(alert2.vchSig).c_str());

    // Confirm
    if (!mapArgs.count("-sendalert"))
        return;
    while (connman.GetNodeCount(CConnman::CONNECTIONS_ALL) == 0 && !ShutdownRequested())
        MilliSleep(500);
    if (ShutdownRequested())
        return;

    // Send
    printf("ThreadSendAlert() : Sending alert\n");
    int nSent = 0;
    {
        connman.ForEachNode([&alert2, &connman, &nSent](CNode* pnode) {
            if (alert2.RelayTo(pnode, connman))
            {
                printf("ThreadSendAlert() : Sent alert to %s\n", pnode->addr.ToString().c_str());
                nSent++;
            }
        });
    }
    printf("ThreadSendAlert() : Alert sent to %d nodes\n", nSent);
}

void CActiveLegacyMasternodeManager::ManageStateInitial(CConnman& connman)
{
    if (deterministicMNManager->IsDeterministicMNsSporkActive()) return;

    LogPrint("masternode", "CActiveLegacyMasternodeManager::ManageStateInitial -- status = %s, type = %s, pinger enabled = %d\n", GetStatus(), GetTypeString(), fPingerEnabled);

    // Check that our local network configuration is correct
    if (!fListen) {
        // listen option is probably overwritten by smth else, no good
        nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
        strNotCapableReason = "Masternode must accept connections from outside. Make sure listen configuration option is not overwritten by some another parameter.";
        LogPrintf("CActiveLegacyMasternodeManager::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
        return;
    }

    // First try to find whatever local address is specified by externalip option
    bool fFoundLocal = GetLocal(activeMasternodeInfo.service) && CMasternode::IsValidNetAddr(activeMasternodeInfo.service);
    if (!fFoundLocal) {
        bool empty = true;
        // If we have some peers, let's try to find our local address from one of them
        connman.ForEachNodeContinueIf(CConnman::AllNodes, [&fFoundLocal, &empty](CNode* pnode) {
            empty = false;
            if (pnode->addr.IsIPv4())
                fFoundLocal = GetLocal(activeMasternodeInfo.service, &pnode->addr) && CMasternode::IsValidNetAddr(activeMasternodeInfo.service);
            return !fFoundLocal;
        });
        // nothing and no live connections, can't do anything for now
        if (empty) {
            nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
            strNotCapableReason = "Can't detect valid external address. Will retry when there are some connections available.";
            LogPrintf("CActiveLegacyMasternodeManager::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
            return;
        }
    }

    if (!fFoundLocal && Params().NetworkIDString() == CBaseChainParams::REGTEST) {
        if (Lookup("127.0.0.1", activeMasternodeInfo.service, GetListenPort(), false)) {
            fFoundLocal = true;
        }
    }

    if (!fFoundLocal) {
        nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
        strNotCapableReason = "Can't detect valid external address. Please consider using the externalip configuration option if problem persists. Make sure to use IPv4 address only.";
        LogPrintf("CActiveLegacyMasternodeManager::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
        return;
    }

    int mainnetDefaultPort = Params(CBaseChainParams::MAIN).GetDefaultPort();
    if (Params().NetworkIDString() == CBaseChainParams::MAIN) {
        if (activeMasternodeInfo.service.GetPort() != mainnetDefaultPort) {
            nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
            strNotCapableReason = strprintf("Invalid port: %u - only %d is supported on mainnet.", activeMasternodeInfo.service.GetPort(), mainnetDefaultPort);
            LogPrintf("CActiveLegacyMasternodeManager::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
            return;
        }
    } else if (activeMasternodeInfo.service.GetPort() == mainnetDefaultPort) {
        nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
        strNotCapableReason = strprintf("Invalid port: %u - %d is only supported on mainnet.", activeMasternodeInfo.service.GetPort(), mainnetDefaultPort);
        LogPrintf("CActiveLegacyMasternodeManager::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
        return;
    }

    if (Params().NetworkIDString() != CBaseChainParams::REGTEST) {
        // Check socket connectivity
        LogPrintf("CActiveLegacyMasternodeManager::ManageStateInitial -- Checking inbound connection to '%s'\n", activeMasternodeInfo.service.ToString());
        SOCKET hSocket;
        bool fConnected = ConnectSocket(activeMasternodeInfo.service, hSocket, nConnectTimeout) && IsSelectableSocket(hSocket);
        CloseSocket(hSocket);

        if (!fConnected) {
            nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
            strNotCapableReason = "Could not connect to " + activeMasternodeInfo.service.ToString();
            LogPrintf("CActiveLegacyMasternodeManager::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
            return;
        }
    }
    // Default to REMOTE
    eType = MASTERNODE_REMOTE;

    LogPrint("masternode", "CActiveLegacyMasternodeManager::ManageStateInitial -- End status = %s, type = %s, pinger enabled = %d\n", GetStatus(), GetTypeString(), fPingerEnabled);
}