From 74ce9b3067f7a6261a92c6fc45ed544f8bfaa166 Mon Sep 17 00:00:00 2001
From: elweyn <heine.hannes@gmail.com>
Date: Thu, 29 Jun 2023 12:09:42 +0200
Subject: [PATCH] Create a semafore lock for transaction links.

---
 backend/src/util/TRANSACTION_LINK_LOCK.ts | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 backend/src/util/TRANSACTION_LINK_LOCK.ts

diff --git a/backend/src/util/TRANSACTION_LINK_LOCK.ts b/backend/src/util/TRANSACTION_LINK_LOCK.ts
new file mode 100644
index 000000000..8058d9a81
--- /dev/null
+++ b/backend/src/util/TRANSACTION_LINK_LOCK.ts
@@ -0,0 +1,4 @@
+import { Semaphore } from 'await-semaphore'
+
+const CONCURRENT_TRANSACTIONS = 1
+export const TRANSACTION_LINK_LOCK = new Semaphore(CONCURRENT_TRANSACTIONS)