From 32e31b240dbfe9c98f6f7bfba9f76b878a3dc728 Mon Sep 17 00:00:00 2001
From: Roman Krasiuk <rokrassyuk@gmail.com>
Date: Mon, 6 Mar 2023 23:18:51 +0200
Subject: [PATCH] perf(provider): remove redundant lookup (#1650)

---
 crates/storage/provider/src/providers/mod.rs | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/crates/storage/provider/src/providers/mod.rs b/crates/storage/provider/src/providers/mod.rs
index 8ea781b06f..19801249ef 100644
--- a/crates/storage/provider/src/providers/mod.rs
+++ b/crates/storage/provider/src/providers/mod.rs
@@ -62,11 +62,7 @@ impl<DB: Database> HeaderProvider for ShareableDatabase<DB> {
     }
 
     fn header_by_number(&self, num: BlockNumber) -> Result<Option<Header>> {
-        if let Some(hash) = self.db.view(|tx| tx.get::<tables::CanonicalHeaders>(num))?? {
-            self.header(&hash)
-        } else {
-            Ok(None)
-        }
+        Ok(self.db.view(|tx| tx.get::<tables::Headers>(num))??)
     }
 
     fn header_td(&self, hash: &BlockHash) -> Result<Option<U256>> {