From d86ee1817cfb94993a5db6fec55a2c5b007d4277 Mon Sep 17 00:00:00 2001
From: boufni95 <boufni95@gmail.com>
Date: Mon, 10 Jun 2024 22:54:30 +0200
Subject: [PATCH] fix

---
 src/services/main/paymentManager.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/services/main/paymentManager.ts b/src/services/main/paymentManager.ts
index 3a8e37c7..34ec5a22 100644
--- a/src/services/main/paymentManager.ts
+++ b/src/services/main/paymentManager.ts
@@ -164,6 +164,10 @@ export default class {
         const isAppUserPayment = userId !== linkedApplication.owner.user_id
         const serviceFee = this.getServiceFee(Types.UserOperationType.OUTGOING_INVOICE, payAmount, isAppUserPayment)
         const internalInvoice = await this.storage.paymentStorage.GetInvoiceOwner(req.invoice)
+        const invoiceAlreadyPaid = await this.storage.paymentStorage.GetPaymentOwner(req.invoice)
+        if (invoiceAlreadyPaid || (internalInvoice && internalInvoice.paid_at_unix > 0)) {
+            throw new Error("this invoice was already paid")
+        }
         let paymentInfo = { preimage: "", amtPaid: 0, networkFee: 0, serialId: 0 }
         if (internalInvoice) {
             paymentInfo = await this.PayInternalInvoice(userId, internalInvoice, { payAmount, serviceFee }, linkedApplication)