From 40d4df53afad72810206eb8f5fcc537562561488 Mon Sep 17 00:00:00 2001
From: Augustus Chang <augustus.chang@smartcontract.com>
Date: Fri, 13 Dec 2024 15:50:57 -0500
Subject: [PATCH] add 0 check for link token v2

---
 contracts/src/libraries/upgrades/utils.cairo |  1 +
 contracts/src/tests/test_link_token.cairo    | 12 ++++++++++++
 2 files changed, 13 insertions(+)

diff --git a/contracts/src/libraries/upgrades/utils.cairo b/contracts/src/libraries/upgrades/utils.cairo
index e69de29bb..8b1378917 100644
--- a/contracts/src/libraries/upgrades/utils.cairo
+++ b/contracts/src/libraries/upgrades/utils.cairo
@@ -0,0 +1 @@
+
diff --git a/contracts/src/tests/test_link_token.cairo b/contracts/src/tests/test_link_token.cairo
index 418230c92..e03f5d7f6 100644
--- a/contracts/src/tests/test_link_token.cairo
+++ b/contracts/src/tests/test_link_token.cairo
@@ -195,6 +195,18 @@ fn test_set_minter_already() {
     Minter::set_minter(ref state, minter);
 }
 
+#[test]
+#[should_panic(expected: ('minter is 0',))]
+fn test_set_minter_zero() {
+    let sender = setup();
+    let mut state = STATE();
+
+    let minter = contract_address_const::<111>();
+    LinkToken::constructor(ref state, 0, 0, 0, 0, Zeroable::zero(), minter, sender, 0);
+
+    Minter::set_minter(ref state, Zeroable::zero());
+}
+
 #[test]
 fn test_set_minter_success() {
     let sender = setup();