gui: fix ban from qt console

Rather than doing a circle and re-resolving the node's IP, just use the one
from nodestats directly.

This requires syncing the addr field from CNode.

src/net.cpp

@@ -629,6 +629,7 @@ void CNode::copyStats(CNodeStats &stats)
 {
     stats.nodeid = this->GetId();
     X(nServices);
+    X(addr);
     X(fRelayTxes);
     X(nLastSend);
     X(nLastRecv);

src/net.h

@@ -505,6 +505,7 @@ public:
     double dPingWait;
     double dPingMin;
     std::string addrLocal;
+    CAddress addr;
 };
 
 

src/qt/rpcconsole.cpp

@@ -981,20 +981,21 @@ void RPCConsole::banSelectedNode(int bantime)
     if (!clientModel || !g_connman)
         return;
 
-    // Get currently selected peer address
-    QString strNode = GUIUtil::getEntryData(ui->peerWidget, 0, PeerTableModel::Address).toString();
-    // Find possible nodes, ban it and clear the selected node
-    std::string nStr = strNode.toStdString();
-    std::string addr;
-    int port = 0;
-    SplitHostPort(nStr, port, addr);
+    if(cachedNodeid == -1)
+        return;
 
-    CNetAddr resolved;
-    if(!LookupHost(addr.c_str(), resolved, false))
+    // Get currently selected peer address
+    int detailNodeRow = clientModel->getPeerTableModel()->getRowByNodeId(cachedNodeid);
+    if(detailNodeRow < 0)
         return;
-    g_connman->Ban(resolved, BanReasonManuallyAdded, bantime);
+
+    // Find possible nodes, ban it and clear the selected node
+    const CNodeCombinedStats *stats = clientModel->getPeerTableModel()->getNodeStats(detailNodeRow);
+    if(stats) {
+        g_connman->Ban(stats->nodeStats.addr, BanReasonManuallyAdded, bantime);
         clearSelectedNode();
         clientModel->getBanTableModel()->refresh();
+    }
 }
 
 void RPCConsole::unbanSelectedNode()