simplify ChannelDB.on_channel_update

electrum/lnbase.py

@@ -816,6 +816,7 @@ class Peer(PrintError):
         per_commitment_secret_index = RevocationStore.START_INDEX - 1
         per_commitment_point_second = secret_to_pubkey(int.from_bytes(
             get_per_commitment_secret_from_seed(chan.local_state.per_commitment_secret_seed, per_commitment_secret_index), 'big'))
+        # note: if funding_locked was not yet received, we might send it multiple times
         self.send_message(gen_msg("funding_locked", channel_id=channel_id, next_per_commitment_point=per_commitment_point_second))
         if chan.local_state.funding_locked_received:
             self.mark_open(chan)

electrum/lnrouter.py

@@ -393,14 +393,10 @@ class ChannelDB(JsonDB):
         short_channel_id = msg_payload['short_channel_id']
         if constants.net.rev_genesis_bytes() != msg_payload['chain_hash']:
             return
-        # try finding channel in verified db
-        channel_info = self._id_to_channel_info.get(short_channel_id, None)
-        if channel_info is None:
         # try finding channel in pending db
         channel_info = self.ca_verifier.get_pending_channel_info(short_channel_id)
         if channel_info is None:
-            # try finding channel in verified db, again
+            # try finding channel in verified db
-            # (maybe this is redundant but this should prevent a race..)
             channel_info = self._id_to_channel_info.get(short_channel_id, None)
         if channel_info is None:
             self.print_error("could not find", short_channel_id)