1 files changed, 3 insertions, 1 deletions
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;