From 16dee973bc790a5befc53d1f81eff4d1d6a077d9 Mon Sep 17 00:00:00 2001
From: Federica <fedemoletta@hotmail.com>
Date: Wed, 7 Feb 2024 10:47:59 -0300
Subject: [PATCH] Impl from_hex_string for ClassHash

---
 src/utils.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/utils.rs b/src/utils.rs
index 2fc4f167c..03a18cd49 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -79,6 +79,12 @@ impl PartialEq<[u8; 32]> for ClassHash {
     }
 }
 
+impl ClassHash {
+    pub fn from_hex_string(hex_string: String) -> Option<Self> {
+        Some(Self(hex::decode(hex_string).ok()?.try_into().ok()?))
+    }
+}
+
 pub type CompiledClassHash = ClassHash;
 
 #[cfg(feature = "cairo-native")]