Don't respect whitelist when we haven't received it yet

llarp/router/rc_lookup_handler.cpp

@@ -49,6 +49,13 @@ namespace llarp
             " routers");
   }
 
+  bool
+  RCLookupHandler::HaveReceivedWhitelist()
+  {
+    util::Lock l(&_mutex);
+    return whitelistRouters.empty();
+  }
+
   void
   RCLookupHandler::GetRC(const RouterID &router, RCRequestCallback callback,
                          bool forceLookup)

llarp/router/rc_lookup_handler.hpp

@@ -40,6 +40,9 @@ namespace llarp
     SetRouterWhitelist(const std::vector< RouterID > &routers) override
         LOCKS_EXCLUDED(_mutex);
 
+    bool
+    HaveReceivedWhitelist();
+
     void
     GetRC(const RouterID &router, RCRequestCallback callback,
           bool forceLookup = false) override LOCKS_EXCLUDED(_mutex);

llarp/router/router.cpp

@@ -679,7 +679,7 @@ namespace llarp
         LogError("Failed to update our RC");
     }
 
-    if(isSvcNode)
+    if(isSvcNode && _rcLookupHandler.HaveReceivedWhitelist())
     {
       // remove RCs for nodes that are no longer allowed by network policy
       nodedb()->RemoveIf([&](const RouterContact &rc) -> bool {