Merge pull request #8675 from accumulator/address_delete

qml: implement delete address for imported wallets

electrum/gui/qml/components/AddressDetails.qml

@@ -16,6 +16,7 @@ Pane {
     property string address
 
     signal addressDetailsChanged
+    signal addressDeleted
 
     ColumnLayout {
         anchors.fill: parent
@@ -192,6 +193,7 @@ Pane {
                 Label {
                     Layout.columnSpan: 2
                     Layout.topMargin: constants.paddingSmall
+                    visible: addressdetails.pubkeys.length
                     text: qsTr('Public keys')
                     color: Material.accentColor
                 }
@@ -215,9 +217,10 @@ Pane {
                                 icon.source: '../../icons/share.png'
                                 enabled: modelData
                                 onClicked: {
-                                    var dialog = app.genericShareDialog.createObject(root,
-                                        { title: qsTr('Public key'), text: modelData }
-                                    )
+                                    var dialog = app.genericShareDialog.createObject(root, {
+                                        title: qsTr('Public key'),
+                                        text: modelData
+                                    })
                                     dialog.open()
                                 }
                             }
@@ -301,6 +304,25 @@ Pane {
                     dialog.open()
                 }
             }
+            FlatButton {
+                Layout.fillWidth: true
+                Layout.preferredWidth: 1
+                visible: addressdetails.canDelete
+                text: qsTr('Delete')
+                onClicked: {
+                    var confirmdialog = app.messageDialog.createObject(root, {
+                        text: qsTr('Are you sure you want to delete this address from the wallet?'),
+                        yesno: true
+                    })
+                    confirmdialog.accepted.connect(function () {
+                        addressdetails.deleteAddress()
+                        addressDeleted()
+                        app.stack.pop()
+                    })
+                    confirmdialog.open()
+                }
+                icon.source: '../../icons/delete.png'
+            }
         }
     }
 

electrum/gui/qml/components/Addresses.qml

@@ -176,6 +176,10 @@ Pane {
                                                 // update listmodel when details change
                                                 listview.backingModel.updateAddress(model.address)
                                             })
+                                            page.addressDeleted.connect(function() {
+                                                // update listmodel when address removed
+                                                listview.backingModel.deleteAddress(model.address)
+                                            })
                                         } else {
                                             loader.toggle()
                                         }

electrum/gui/qml/qeaddressdetails.py

@@ -28,6 +28,7 @@ class QEAddressDetails(AuthMixin, QObject):
         self._privkey = None
         self._derivationPath = None
         self._numtx = 0
+        self._candelete = False
 
         self._historyModel = None
 
@@ -79,6 +80,10 @@ class QEAddressDetails(AuthMixin, QObject):
     def numTx(self):
         return self._numtx
 
+    @pyqtProperty(bool, notify=detailsChanged)
+    def canDelete(self):
+        return self._candelete
+
 
     frozenChanged = pyqtSignal()
     @pyqtProperty(bool, notify=frozenChanged)
@@ -126,6 +131,11 @@ class QEAddressDetails(AuthMixin, QObject):
 
         self.detailsChanged.emit()
 
+    @pyqtSlot()
+    def deleteAddress(self):
+        assert self.canDelete
+        self._wallet.wallet.delete_address(self._address)
+
     def update(self):
         if self._wallet is None:
             self._logger.error('wallet undefined')
@@ -143,4 +153,5 @@ class QEAddressDetails(AuthMixin, QObject):
         if self._wallet.derivationPrefix:
             self._derivationPath = self._derivationPath.replace('m', self._wallet.derivationPrefix)
         self._numtx = self._wallet.wallet.adb.get_address_history_len(self._address)
+        self._candelete = self.wallet.wallet.can_delete_address()
         self.detailsChanged.emit()

electrum/gui/qml/qeaddresslistmodel.py

@@ -216,6 +216,9 @@ class QEAddressCoinListModel(QAbstractListModel):
 
         self._dirty = False
 
+        if self._filterModel is not None:
+            self._filterModel.invalidate()
+
     @pyqtSlot(str)
     def updateAddress(self, address):
         for i, a in enumerate(self._items):
@@ -223,6 +226,21 @@ class QEAddressCoinListModel(QAbstractListModel):
                 self.do_update(i, a)
                 return
 
+    @pyqtSlot(str)
+    def deleteAddress(self, address):
+        first = -1
+        last = -1
+        for i, a in enumerate(self._items):
+            if a['address'] == address:
+                if first < 0:
+                    first = i
+                last = i
+        if not first >= 0:
+            return
+        self.beginRemoveRows(QModelIndex(), first, last)
+        self._items = self._items[0:first] + self._items[last+1:]
+        self.endRemoveRows()
+
     def updateCoin(self, outpoint):
         for i, a in enumerate(self._items):
             if a.get('outpoint') == outpoint:

electrum/gui/qml/qewallet.py

@@ -709,11 +709,15 @@ class QEWallet(AuthMixin, QObject, QtEventListener):
     @pyqtSlot(str)
     def importAddresses(self, addresslist):
         self.wallet.import_addresses(addresslist.split())
+        if self._addressCoinModel:
+            self._addressCoinModel.setDirty()
         self.dataChanged.emit()
 
     @pyqtSlot(str)
     def importPrivateKeys(self, keyslist):
         self.wallet.import_private_keys(keyslist.split(), self.password)
+        if self._addressCoinModel:
+            self._addressCoinModel.setDirty()
         self.dataChanged.emit()
 
     @pyqtSlot(str)

electrum/wallet.py

@@ -3127,7 +3127,8 @@ class Simple_Wallet(Abstract_Wallet):
         pass
 
     def get_public_keys(self, address: str) -> Sequence[str]:
-        return [self.get_public_key(address)]
+        pk = self.get_public_key(address)
+        return [pk] if pk else []
 
 
 class Imported_Wallet(Simple_Wallet):