feat: add canonical_headers_range (#1795)

Co-authored-by: Georgios Konstantopoulos <me@gakonst.com>

crates/revm/src/database.rs

@@ -63,6 +63,7 @@ impl<DB: StateProvider> DatabaseRef for State<DB> {
     }
 
     fn block_hash(&self, number: U256) -> Result<H256, Self::Error> {
-        Ok(self.0.block_hash(number)?.unwrap_or_default())
+        // Note: this unwrap is potentially unsafe
+        Ok(self.0.block_hash(number.try_into().unwrap())?.unwrap_or_default())
     }
 }