unset relay fields before node deletion

controllers/node.go

@@ -740,10 +740,6 @@ func deleteNode(w http.ResponseWriter, r *http.Request) {
 			return
 		}
 	}
-	if err := logic.DeleteNode(&node, fromNode); err != nil {
-		logic.ReturnErrorResponse(w, r, logic.FormatError(fmt.Errorf("failed to delete node"), "internal"))
-		return
-	}
 	if node.IsRelayed {
 		// cleanup node from relayednodes on relay node
 		relayNode, err := logic.GetNodeByID(node.RelayedBy)
@@ -764,6 +760,11 @@ func deleteNode(w http.ResponseWriter, r *http.Request) {
 		// unset all the relayed nodes
 		logic.SetRelayedNodes(false, node.ID.String(), node.RelayedNodes)
 	}
+	if err := logic.DeleteNode(&node, fromNode); err != nil {
+		logic.ReturnErrorResponse(w, r, logic.FormatError(fmt.Errorf("failed to delete node"), "internal"))
+		return
+	}
+
 	logic.ReturnSuccessResponse(w, r, nodeid+" deleted.")
 	logger.Log(1, r.Header.Get("user"), "Deleted node", nodeid, "from network", params["network"])
 	if !fromNode { // notify node change