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):
@@ -404,7 +403,6 @@ 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 = {
@@ -417,7 +415,7 @@ class DashElectrumX(ElectrumX):
 
     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)
@@ -427,13 +425,8 @@ 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])
             return mnb_info
@@ -451,5 +444,5 @@ class DashElectrumX(ElectrumX):
         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 None