From cb34bbee7e380080eeea0d19bca34fdde16940d7 Mon Sep 17 00:00:00 2001
From: Sander van Grieken <sander@outrightsolutions.nl>
Date: Thu, 21 Dec 2023 13:29:37 +0100
Subject: [PATCH] qml: don't enable save button for already saved invoices

---
 electrum/gui/qml/qeinvoice.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/electrum/gui/qml/qeinvoice.py b/electrum/gui/qml/qeinvoice.py
index 700c65f3d..5c8794869 100644
--- a/electrum/gui/qml/qeinvoice.py
+++ b/electrum/gui/qml/qeinvoice.py
@@ -337,14 +337,17 @@ class QEInvoice(QObject, QtEventListener):
         self.canPay = False
         self.canSave = False
 
+        if self.invoiceType == QEInvoice.Type.Invalid:
+            return
+
         if not self.amountOverride.isEmpty:
             amount = self.amountOverride
         else:
             amount = self.amount
 
-        self.canSave = True
+        self.canSave = not bool(self._wallet.wallet.get_invoice(self._effectiveInvoice.get_id()))
 
-        if amount.isEmpty and self.status == PR_UNPAID: # unspecified amount
+        if amount.isEmpty and self.status == PR_UNPAID:  # unspecified amount
             return
 
         if self.invoiceType == QEInvoice.Type.LightningInvoice: