qml: add config option WALLET_FREEZE_REUSED_ADDRESS_UTXOS

Author: accumulator

electrum/gui/qml/components/Preferences.qml

@@ -271,6 +271,23 @@ Pane {
                         }
                     }
 
+                    RowLayout {
+                        Layout.columnSpan: 2
+                        spacing: 0
+                        Switch {
+                            id: freezeReusedAddressUtxos
+                            onCheckedChanged: {
+                                if (activeFocus)
+                                    Config.freezeReusedAddressUtxos = checked
+                            }
+                        }
+                        Label {
+                            Layout.fillWidth: true
+                            text: Config.shortDescFor('WALLET_FREEZE_REUSED_ADDRESS_UTXOS')
+                            wrapMode: Text.Wrap
+                        }
+                    }
+
                     PrefsHeading {
                         Layout.columnSpan: 2
                         text: qsTr('Lightning')
@@ -441,6 +458,7 @@ Pane {
         rateSources.currentIndex = rateSources.indexOfValue(Daemon.fx.rateSource)
         fiatEnable.checked = Daemon.fx.enabled
         spendUnconfirmed.checked = Config.spendUnconfirmed
+        freezeReusedAddressUtxos.checked = Config.freezeReusedAddressUtxos
         useTrampolineRouting.checked = !Config.useGossip
         enableDebugLogs.checked = Config.enableDebugLogs
         alwaysAllowScreenshots.checked = Config.alwaysAllowScreenshots

electrum/gui/qml/qeaddresslistmodel.py

@@ -5,6 +5,7 @@
 
 from electrum.logging import get_logger
 from electrum.util import Satoshis
+from .qeconfig import QEConfig
 
 from .qetypes import QEAmount
 from .util import qt_event_listener, QtEventListener
@@ -122,6 +123,8 @@ def __init__(self, wallet: 'Abstract_Wallet', parent=None):
         self.register_callbacks()
         self.destroyed.connect(lambda: self.on_destroy())
 
+        QEConfig.instance.freezeReusedAddressUtxosChanged.connect(lambda: self.setDirty())
+
         self._dirty = True
         self.initModel()
 

electrum/gui/qml/qeconfig.py

@@ -18,10 +18,14 @@
 
 
 class QEConfig(AuthMixin, QObject):
+    instance = None  # type: Optional[QEConfig]
     _logger = get_logger(__name__)
 
     def __init__(self, config: 'SimpleConfig', parent=None):
         super().__init__(parent)
+        if QEConfig.instance:
+            raise RuntimeError('There should only be one QEConfig instance')
+        QEConfig.instance = self
         self.config = config
 
     @pyqtSlot(str, result=str)
@@ -120,6 +124,16 @@ def spendUnconfirmed(self, checked):
         self.config.WALLET_SPEND_CONFIRMED_ONLY = not checked
         self.spendUnconfirmedChanged.emit()
 
+    freezeReusedAddressUtxosChanged = pyqtSignal()
+    @pyqtProperty(bool, notify=freezeReusedAddressUtxosChanged)
+    def freezeReusedAddressUtxos(self):
+        return self.config.WALLET_FREEZE_REUSED_ADDRESS_UTXOS
+
+    @freezeReusedAddressUtxos.setter
+    def freezeReusedAddressUtxos(self, checked):
+        self.config.WALLET_FREEZE_REUSED_ADDRESS_UTXOS = checked
+        self.freezeReusedAddressUtxosChanged.emit()
+
     requestExpiryChanged = pyqtSignal()
     @pyqtProperty(int, notify=requestExpiryChanged)
     def requestExpiry(self):