From e76df4d0dca96f4e6a4b167e5a389feaf1137a7c Mon Sep 17 00:00:00 2001
From: Wodann <Wodann@users.noreply.github.com>
Date: Sat, 28 Jan 2023 12:27:36 -0300
Subject: [PATCH] improvement: implement BlockHash for Arc<BlockHashRef>

---
 crates/primitives/src/db/components/block_hash.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/crates/primitives/src/db/components/block_hash.rs b/crates/primitives/src/db/components/block_hash.rs
index 55c7dd1919..131c63e792 100644
--- a/crates/primitives/src/db/components/block_hash.rs
+++ b/crates/primitives/src/db/components/block_hash.rs
@@ -30,3 +30,16 @@ where
         BlockHashRef::block_hash(*self, number)
     }
 }
+
+#[cfg(feature = "std")]
+impl<T> BlockHash for std::sync::Arc<T>
+where
+    T: BlockHashRef,
+{
+    type Error = <T as BlockHashRef>::Error;
+
+    fn block_hash(&mut self, number: U256) -> Result<B256, Self::Error> {
+        use std::ops::Deref;
+        self.deref().block_hash(number)
+    }
+}