do not store protocol explicitly

lib/network.py

@@ -95,23 +95,20 @@ class Network(threading.Thread):
         self.blockchain = Blockchain(self.config, self)
         self.interfaces = {}
         self.queue = Queue.Queue()
-        self.protocol = self.config.get('protocol','s')
-        # sanitize protocol
-        if self.protocol not in 'sght': self.protocol = 's'
         self.running = False
-
         # Server for addresses and transactions
         self.default_server = self.config.get('server')
         # Sanitize default server
         try:
             host, port, protocol = self.default_server.split(':')
-            assert protocol == self.protocol
+            assert protocol in 'st'
             int(port)
         except:
             self.default_server = None
         if not self.default_server:
-            self.default_server = pick_random_server(self.protocol)
+            self.default_server = pick_random_server('s')
 
+        self.protocol = self.default_server.split(':')[2]
         self.irc_servers = {} # returned by interface (list from irc)
 
         self.disconnected_servers = set([])
@@ -246,7 +243,6 @@ class Network(threading.Thread):
         server_str = ':'.join([ host, port, protocol ])
         self.config.set_key('auto_cycle', auto_connect, True)
         self.config.set_key("proxy", proxy_str, True)
-        self.config.set_key("protocol", protocol, True)
         self.config.set_key("server", server_str, True)
 
         if self.proxy != proxy_str or self.protocol != protocol: