From fd0163aa113258e02fde8bbf965293907b104e6c Mon Sep 17 00:00:00 2001
From: Roland Bewick <roland.bewick@gmail.com>
Date: Mon, 18 Dec 2023 20:37:51 +0700
Subject: [PATCH] fix: only set preimage on transaction if Alby invoice is
 settled

---
 alby.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/alby.go b/alby.go
index 9558a730..7a0e0f9d 100644
--- a/alby.go
+++ b/alby.go
@@ -704,13 +704,17 @@ func albyInvoiceToTransaction(invoice *AlbyInvoice) *Nip47Transaction {
 	if description == "" {
 		description = invoice.Memo
 	}
+	var preimage string
+	if invoice.SettledAt != nil {
+		preimage = invoice.Preimage
+	}
 
 	return &Nip47Transaction{
 		Type:            invoice.Type,
 		Invoice:         invoice.PaymentRequest,
 		Description:     description,
 		DescriptionHash: invoice.DescriptionHash,
-		Preimage:        invoice.Preimage,
+		Preimage:        preimage,
 		PaymentHash:     invoice.PaymentHash,
 		Amount:          invoice.Amount * 1000,
 		FeesPaid:        0, // TODO: support fees