v2.4 will require protocol v0.10

lib/network.py

@@ -59,7 +59,7 @@ def parse_servers(result):
                     pruning_level = v[1:]
                 if pruning_level == '': pruning_level = '0'
         try:
-            is_recent = float(version)>=float(PROTOCOL_VERSION)
+            is_recent = cmp(util.normalize_version(version), util.normalize_version(PROTOCOL_VERSION)) >= 0
         except Exception:
             is_recent = False
 

lib/util.py

@@ -7,6 +7,9 @@ import urlparse
 import urllib
 import threading
 
+def normalize_version(v):
+    return [int(x) for x in re.sub(r'(\.0+)*$','', v).split(".")]
+
 class NotEnoughFunds(Exception): pass
 
 class InvalidPassword(Exception):

lib/version.py

@@ -1,5 +1,5 @@
-ELECTRUM_VERSION = "2.3.3"  # version of the client package
-PROTOCOL_VERSION = '0.9'    # protocol version requested
+ELECTRUM_VERSION = "2.4"    # version of the client package
+PROTOCOL_VERSION = '0.10'   # protocol version requested
 NEW_SEED_VERSION = 11       # electrum versions >= 2.0
 OLD_SEED_VERSION = 4        # electrum versions < 2.0