delete channel

electrum/gui/qml/components/ChannelDetails.qml

@@ -24,7 +24,7 @@ Pane {
                 text: qsTr('Backup');
                 enabled: false
                 onTriggered: {}
-                //icon.source: '../../icons/wallet.png'
+                icon.source: '../../icons/file.png'
             }
         }
         MenuItem {
@@ -36,7 +36,30 @@ Pane {
                     var dialog = closechannel.createObject(root, { 'channelid': channelid })
                     dialog.open()
                 }
-                //icon.source: '../../icons/wallet.png'
+                icon.source: '../../icons/closebutton.png'
+            }
+        }
+        MenuItem {
+            icon.color: 'transparent'
+            action: Action {
+                text: qsTr('Delete channel');
+                enabled: channeldetails.canDelete
+                onTriggered: {
+                    var dialog = app.messageDialog.createObject(root,
+                            {
+                                'text': qsTr('Are you sure you want to delete this channel? This will purge associated transactions from your wallet history.'),
+                                'yesno': true
+                            }
+                    )
+                    dialog.yesClicked.connect(function() {
+                        channeldetails.deleteChannel()
+                        app.stack.pop()
+                        Daemon.currentWallet.historyModel.init_model() // needed here?
+                        Daemon.currentWallet.channelModel.remove_channel(channelid)
+                    })
+                    dialog.open()
+                }
+                icon.source: '../../icons/delete.png'
             }
         }
         MenuItem {

electrum/gui/qml/qechanneldetails.py

@@ -134,6 +134,10 @@ class QEChannelDetails(QObject):
     def canForceClose(self):
         return ChanCloseOption.LOCAL_FCLOSE in self._channel.get_close_options()
 
+    @pyqtProperty(bool, notify=channelChanged)
+    def canDelete(self):
+        return self._channel.can_be_deleted()
+
     @pyqtProperty(str, notify=channelChanged)
     def message_force_close(self, notify=channelChanged):
         return _(messages.MSG_REQUEST_FORCE_CLOSE)
@@ -173,3 +177,7 @@ class QEChannelDetails(QObject):
         loop = self._wallet.wallet.network.asyncio_loop
         coro = do_close(closetype, self._channel.channel_id)
         asyncio.run_coroutine_threadsafe(coro, loop)
+
+    @pyqtSlot()
+    def deleteChannel(self):
+        self._wallet.wallet.lnworker.remove_channel(self._channel.channel_id)

electrum/gui/qml/qechannellistmodel.py

@@ -149,4 +149,15 @@ class QEChannelListModel(QAbstractListModel):
                 self.beginInsertRows(QModelIndex(), 0, 0)
                 self.channels.insert(0,item)
                 self.endInsertRows()
-                self.numOpenChannelsChanged.emit()
+
+    @pyqtSlot(str)
+    def remove_channel(self, cid):
+        i = 0
+        for channel in self.channels:
+            if cid == channel['cid']:
+                self._logger.debug(cid)
+                self.beginRemoveRows(QModelIndex(), i, i)
+                self.channels.remove(channel)
+                self.endRemoveRows()
+                return
+            i = i + 1

electrum/gui/qml/qetransactionlistmodel.py

@@ -102,6 +102,7 @@ class QETransactionListModel(QAbstractListModel):
         return date.strftime(dfmt[section])
 
     # initial model data
+    @pyqtSlot()
     def init_model(self):
         history = self.wallet.get_full_history(onchain_domain=self.onchain_domain,
                                                include_lightning=self.include_lightning)