Only store and connect to NODE_NETWORK nodes

src/main.cpp

@@ -4785,6 +4785,9 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
         {
             boost::this_thread::interruption_point();
 
+            if (!(addr.nServices & NODE_NETWORK))
+                continue;
+
             if (addr.nTime <= 100000000 || addr.nTime > nNow + 10 * 60)
                 addr.nTime = nNow - 5 * 24 * 60 * 60;
             pfrom->AddAddressKnown(addr);

src/net.cpp

@@ -1596,6 +1596,10 @@ void ThreadOpenConnections()
             if (IsLimited(addr))
                 continue;
 
+            // only connect to full nodes
+            if (!(addr.nServices & NODE_NETWORK))
+                continue;
+
             // only consider very recently tried nodes after 30 failed attempts
             if (nANow - addr.nLastTry < 600 && nTries < 30)
                 continue;