Update DashElectrumX as commented

server/session.py

@@ -396,7 +396,6 @@ class DashElectrumX(ElectrumX):
         super().__init__(*args, **kwargs)
         self.electrumx_handlers['masternode.announce.broadcast'] = self.masternode_announce_broadcast
         self.electrumx_handlers['masternode.subscribe'] = self.masternode_subscribe
-        self.subscribe_mns = False
         self.mns = set()
 
     async def notify(self, height, touched):
@@ -404,20 +403,19 @@ class DashElectrumX(ElectrumX):
 
         await super().notify(height, touched)
 
-        if self.subscribe_mns:
-            for masternode in self.mns:
-                status = await self.daemon.masternode_list(['status', masternode])
-                payload = {
-                    'id': None,
-                    'method': 'masternode.subscribe',
-                    'params': [masternode],
-                    'result': status.get(masternode),
-                }
-                self.send_binary(self.encode_payload(payload))
+        for masternode in self.mns:
+            status = await self.daemon.masternode_list(['status', masternode])
+            payload = {
+                'id': None,
+                'method': 'masternode.subscribe',
+                'params': [masternode],
+                'result': status.get(masternode),
+            }
+            self.send_binary(self.encode_payload(payload))
 
     def server_version(self, client_name=None, protocol_version=None):
         '''Returns the server version as a string.
-        ForcE version string response for Electrum-Dash 2.6.4
+        Force version string response for Electrum-Dash 2.6.4
         '''
 
         default_return = super().server_version(client_name, protocol_version)
@@ -427,15 +425,10 @@ class DashElectrumX(ElectrumX):
 
     # Masternode command handlers
     async def masternode_announce_broadcast(self, signmnb):
-        '''Pass through the parameters to the daemon.
+        '''Pass through the masternode announce message to be broadcast by the daemon.'''
 
-        An ugly API: current Electrum clients only pass the masternode
-        broadcast message in hex and expect error messages to be returned in
-        the result field.  And the server shouldn't be doing the client's
-        user interface job here.
-        '''
         try:
-            mnb_info = await self.daemon.masternode_broadcast(['relay',signmnb])
+            mnb_info = await self.daemon.masternode_broadcast(['relay', signmnb])
             return mnb_info
         except DaemonError as e:
             error = e.args[0]
@@ -448,8 +441,8 @@ class DashElectrumX(ElectrumX):
 
     async def masternode_subscribe(self, vin):
         '''Returns the status of masternode.'''
-        result = await self.daemon.masternode_list(['status',vin])
+        result = await self.daemon.masternode_list(['status', vin])
         if result is not None:
             self.mns.add(vin)
-            self.subscribe_mns = True
-        return result.get(vin)
+            return result.get(vin)
+        return None