fix race between lnwatcher/lnworker

channels were sometimes not getting re-established

electrum/lnwatcher.py

@@ -93,7 +93,8 @@ class LNWatcher(PrintError):
                     e_tx2 = EncumberedTransaction.from_json(e_tx)
                     self.sweepstore[funding_outpoint][ctx_txid].add(e_tx2)
 
-        self.network.register_callback(self.on_network_update, ['network_updated', 'blockchain_updated', 'verified'])
+        self.network.register_callback(self.on_network_update,
+                                       ['network_updated', 'blockchain_updated', 'verified', 'wallet_updated'])
 
     def write_to_disk(self):
         # FIXME: json => every update takes linear instead of constant disk write
@@ -128,7 +129,7 @@ class LNWatcher(PrintError):
 
     @aiosafe
     async def on_network_update(self, event, *args):
-        if event == 'verified':
+        if event in ('verified', 'wallet_updated'):
             wallet = args[0]
             if wallet != self.addr_sync:
                 return