open_channel: improved success message

electrum/gui/qt/main_window.py

@@ -1854,9 +1854,12 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
     def open_channel(self, *args, **kwargs):
         def task():
             return self.wallet.lnworker.open_channel(*args, **kwargs)
-        def on_success(result):
-            print(result)
-            self.show_message(_('Channel open'))
+        def on_success(chan):
+            self.show_message('\n'.join([
+                _('Channel established.'),
+                _('Remote peer ID') + ':' + bh2u(chan.node_id),
+                _('This channel will be usable after 3 confirmations')
+            ]))
         WaitingDialog(self, _('Opening channel...'), task, on_success, self.on_error)
 
     def query_choice(self, msg, choices):

electrum/lnworker.py

@@ -200,6 +200,7 @@ class LNWorker(PrintError):
         self.save_channel(chan)
         self.network.lnwatcher.watch_channel(chan.get_funding_address(), chan.funding_outpoint.to_str())
         self.on_channels_updated()
+        return chan
 
     def on_channels_updated(self):
         self.network.trigger_callback('channels')