fix: server lag

11 years ago · 9c1b688e4f
1 changed files with 3 additions and 1 deletions
--- a/lib/network.py
+++ b/lib/network.py
@ -199,7 +199,9 @@ class Network(threading.Thread):
    def switch_to_interface(self, interface):
        print_error("switching to", interface.server)
        self.interface = interface
-        self.server_lag = self.blockchain.height - self.heights[self.interface.server]
+        h =  self.heights.get(self.interface.server)
+        if h:
+            self.server_lag = self.blockchain.height - h
        self.config.set_key('server', self.interface.server, False)
        self.send_subscriptions()
        self.trigger_callback('connected')