From 941f425ff533f3e198811d134757a73c4189d767 Mon Sep 17 00:00:00 2001
From: Sander van Grieken <sander@outrightsolutions.nl>
Date: Thu, 12 Oct 2023 15:53:15 +0200
Subject: [PATCH] qml: update invoice.canPay on channel state changes

This re-evaluates invoice.canPay when channels get connected/disconnected (enables/disables Pay button)
---
 electrum/gui/qml/qeinvoice.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/electrum/gui/qml/qeinvoice.py b/electrum/gui/qml/qeinvoice.py
index d29e26271..9ef5ae804 100644
--- a/electrum/gui/qml/qeinvoice.py
+++ b/electrum/gui/qml/qeinvoice.py
@@ -91,6 +91,11 @@ class QEInvoice(QObject, QtEventListener):
             self.determine_can_pay()
             self.statusChanged.emit()
 
+    @event_listener
+    def on_event_channel(self, wallet, channel):
+        if self._wallet and wallet == self._wallet.wallet:
+            self.determine_can_pay()
+
     walletChanged = pyqtSignal()
     @pyqtProperty(QEWallet, notify=walletChanged)
     def wallet(self):