kivy+qt: add channel type to details

electrum/gui/kivy/uix/dialogs/lightning_channels.py

@@ -246,6 +246,7 @@ Builder.load_string(r'''
     warning: ''
     is_frozen_for_sending: False
     is_frozen_for_receiving: False
+    channel_type:''
     BoxLayout:
         padding: '12dp', '12dp', '12dp', '12dp'
         spacing: '12dp'
@@ -294,6 +295,9 @@ Builder.load_string(r'''
                 BoxLabel:
                     text: _('Frozen (for receiving)')
                     value: str(root.is_frozen_for_receiving)
+                BoxLabel:
+                    text: _('Channel type')
+                    value: str(root.channel_type)
                 Widget:
                     size_hint: 1, 0.1
                 TopLabel:
@@ -484,6 +488,7 @@ class ChannelDetailsPopup(Popup, Logger):
         self.warning = '' if self.app.wallet.lnworker.channel_db or self.app.wallet.lnworker.is_trampoline_peer(chan.node_id) else _('Warning') + ': ' + msg
         self.is_frozen_for_sending = chan.is_frozen_for_sending()
         self.is_frozen_for_receiving = chan.is_frozen_for_receiving()
+        self.channel_type = chan.storage['channel_type'].name_minimal
         self.update_action_dropdown()
 
     def update_action_dropdown(self):

electrum/gui/qt/channel_details.py

@@ -193,6 +193,7 @@ class ChannelDetailsDialog(QtWidgets.QDialog, MessageBoxMixin):
         form_layout.addRow(_('Remote dust limit:'), self.dust_limit)
         self.remote_reserve = self.window.format_amount_and_units(chan.config[REMOTE].reserve_sat)
         form_layout.addRow(_('Remote reserve:'), SelectableLabel(self.remote_reserve))
+        form_layout.addRow(_('Channel type:'), SelectableLabel(chan.storage['channel_type'].name_minimal))
         vbox.addLayout(form_layout)
 
         # add htlc tree view to vbox (wouldn't scale correctly in QFormLayout)

electrum/lnutil.py

@@ -1153,6 +1153,10 @@ class ChannelType(IntFlag):
         byte_length = bit_length // 8 + int(bool(bit_length % 8))
         return self.to_bytes(byte_length, byteorder='big')
 
+    @property
+    def name_minimal(self):
+        return self.name.replace('OPTION_', '')
+
 
 del LNFC  # name is ambiguous without context