+ added clear offline peers to new communicator

+ fixed unable to insert unencrypted block

onionr/communicator2.py

@@ -63,6 +63,7 @@ class OnionrCommunicatorDaemon:
         OnionrCommunicatorTimers(self, self.getOnlinePeers, 60)
         OnionrCommunicatorTimers(self, self.lookupBlocks, 7)
         OnionrCommunicatorTimers(self, self.getBlocks, 10)
+        OnionrCommunicatorTimers(self, self.clearOfflinePeer, 120)
         #TODO: sync keys/peers
 
         # Main daemon loop, mainly for calling timers, do not do any complex operations here
@@ -147,6 +148,14 @@ class OnionrCommunicatorDaemon:
         except KeyError:
             pass
     
+    def clearOfflinePeer(self):
+        '''Removes the longest offline peer to retry later'''
+        try:
+            self.offlinePeers.pop(0)
+        except IndexError:
+            pass
+        self.decrementThreadCount('clearOfflinePeer')
+
     def getOnlinePeers(self):
         '''Manages the self.onlinePeers attribute list'''
         logger.info('Refreshing peer pool.')

onionr/core.py

@@ -683,10 +683,10 @@ class Core:
 
         jsonMeta = json.dumps(meta)
 
-        if encryptType in ('asym', 'sym'):
+        if encryptType in ('asym', 'sym', ''):
             metadata['encryptType'] = encryptType
         else:
-            raise onionrexceptions.InvalidMetadata('encryptType must be asym or sym')
+            raise onionrexceptions.InvalidMetadata('encryptType must be asym or sym, or blank')
 
         # sign before encrypt, as unauthenticated crypto should not be a problem here
         if sign: