From 053db6c4d155b42bfdd5bb27530ec27dd4421e26 Mon Sep 17 00:00:00 2001
From: Adam Soltys <adam@coinos.io>
Date: Sun, 22 Dec 2024 23:36:54 -0800
Subject: check for duplicate offers

---
 lib/invoices.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/invoices.ts b/lib/invoices.ts
index f89266e2..0957231a 100644
--- a/lib/invoices.ts
+++ b/lib/invoices.ts
@@ -90,9 +90,11 @@ export const generate = async ({ invoice, user }) => {
     const r = await ln.offer({
       amount: amount ? `${amount + tip}sat` : "any",
       label: id,
-      description: id,
+      description: memo || id,
     });
 
+    if (await g(`invoice:${r.offer_id}`)) fail("Duplicate offer exists");
+
     hash = r.bolt12;
     text = r.bolt12;
 
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