Fix bug in keep alive loop

Author: cpacia

dht/protocol.py

@@ -4,7 +4,6 @@
 """
 
 import random
-
 from twisted.internet import reactor
 from zope.interface import implements
 import nacl.signing

net/wireprotocol.py

@@ -203,8 +203,8 @@ def set_servers(self, ws, blockchain):
         self.blockchain = blockchain
 
     def keep_alive(self):
-        for connection in self:
-            if connection.state != State.CONNECTING:
+        for connection in self.values():
+            if connection.state == State.CONNECTED:
                 connection.handler.keep_alive()
 
     def send_message(self, datagram, address, relay_addr):