From ae15c0527b40aec4929ccf1eb65433b14bc6a435 Mon Sep 17 00:00:00 2001
From: Sander van Grieken <sander@outrightsolutions.nl>
Date: Thu, 29 Sep 2022 13:18:13 +0200
Subject: [PATCH] qml: expose bolt11_fallback in preferences

---
 electrum/gui/qml/components/Preferences.qml | 12 ++++++++++++
 electrum/gui/qml/qeconfig.py                | 10 ++++++++++
 2 files changed, 22 insertions(+)

diff --git a/electrum/gui/qml/components/Preferences.qml b/electrum/gui/qml/components/Preferences.qml
index b4d6924fa..2291a8ff1 100644
--- a/electrum/gui/qml/components/Preferences.qml
+++ b/electrum/gui/qml/components/Preferences.qml
@@ -222,6 +222,17 @@ Pane {
                                     Config.useGossip = currentValue == 'gossip'
                             }
                         }
+
+                        Switch {
+                            id: useFallbackAddress
+                            text: qsTr('Use onchain fallback address for Lightning invoices')
+                            Layout.columnSpan: 2
+                            onCheckedChanged: {
+                                if (activeFocus)
+                                    Config.useFallbackAddress = checked
+                            }
+                        }
+
                     }
 
                 }
@@ -275,6 +286,7 @@ Pane {
         fiatEnable.checked = Daemon.fx.enabled
         spendUnconfirmed.checked = Config.spendUnconfirmed
         lnRoutingType.currentIndex = Config.useGossip ? 0 : 1
+        useFallbackAddress.checked = Config.useFallbackAddress
 
         var plugins = AppController.plugins
         for (var i=0; i<plugins.length; i++) {
diff --git a/electrum/gui/qml/qeconfig.py b/electrum/gui/qml/qeconfig.py
index 8446f30f0..34b2271a1 100644
--- a/electrum/gui/qml/qeconfig.py
+++ b/electrum/gui/qml/qeconfig.py
@@ -120,6 +120,16 @@ class QEConfig(AuthMixin, QObject):
         self.config.set_key('use_gossip', gossip)
         self.useGossipChanged.emit()
 
+    useFallbackAddressChanged = pyqtSignal()
+    @pyqtProperty(bool, notify=useFallbackAddressChanged)
+    def useFallbackAddress(self):
+        return self.config.get('bolt11_fallback', True)
+
+    @useFallbackAddress.setter
+    def useFallbackAddress(self, use_fallback):
+        self.config.set_key('bolt11_fallback', use_fallback)
+        self.useFallbackAddressChanged.emit()
+
     @pyqtSlot('qint64', result=str)
     @pyqtSlot('qint64', bool, result=str)
     @pyqtSlot(QEAmount, result=str)