trivial: don't print frequent-case log line in lnpeer.mark_open

electrum/lnchannel.py

@@ -220,10 +220,11 @@ class Channel(Logger):
 
     def set_state(self, state):
         """ set on-chain state """
-        if (self._state, state) not in state_transitions:
-            raise Exception(f"Transition not allowed: {self._state.name} -> {state.name}")
+        old_state = self._state
+        if (old_state, state) not in state_transitions:
+            raise Exception(f"Transition not allowed: {old_state.name} -> {state.name}")
         self._state = state
-        self.logger.debug(f'Setting channel state: {state.name}')
+        self.logger.debug(f'Setting channel state: {old_state.name} -> {state.name}')
         if self.lnworker:
             self.lnworker.save_channel(self)
             self.lnworker.network.trigger_callback('channel', self)

electrum/lnpeer.py

@@ -961,8 +961,11 @@ class Peer(Logger):
         assert chan.short_channel_id is not None
         scid = chan.short_channel_id
         # only allow state transition from "FUNDED" to "OPEN"
-        if chan.get_state() != channel_states.FUNDED:
-            self.logger.info(f"cannot mark open, {chan.get_state()}")
+        old_state = chan.get_state()
+        if old_state == channel_states.OPEN:
+            return
+        if old_state != channel_states.FUNDED:
+            self.logger.info(f"cannot mark open, current state: {repr(old_state)}")
             return
         assert chan.config[LOCAL].funding_locked_received
         chan.set_state(channel_states.OPEN)