feat(rpc): add getHeader by number+hash (#2701)

gakonst · Feb 12, 2024 · b249da3 · b249da3
1 parent 40eaa41
commit b249da3
Show file tree

Hide file tree

Showing 2 changed files with 25 additions and 0 deletions.
diff --git a/ethers-providers/src/middleware.rs b/ethers-providers/src/middleware.rs
@@ -148,6 +148,14 @@ pub trait Middleware: Sync + Send + Debug {
         self.inner().get_block_number().await.map_err(MiddlewareError::from_err)
     }
 
+    /// Get the block header by number or hash
+    async fn get_header<T: Into<BlockId> + Send + Sync>(
+        &self,
+        block_hash_or_number: T,
+    ) -> Result<Option<Block<Transaction>>, Self::Error> {
+        self.inner().get_header(block_hash_or_number).await.map_err(MiddlewareError::from_err)
+    }
+
     /// Sends the transaction to the entire Ethereum network and returns the
     /// transaction's hash. This will consume gas from the account that signed
     /// the transaction. This call will fail if no signer is available, and the

diff --git a/ethers-providers/src/rpc/provider.rs b/ethers-providers/src/rpc/provider.rs
@@ -338,6 +338,23 @@ impl<P: JsonRpcClient> Middleware for Provider<P> {
         self.get_block_gen(block_hash_or_number.into(), false).await
     }
 
+    async fn get_header<T: Into<BlockId> + Send + Sync>(
+        &self,
+        block_hash_or_number: T,
+    ) -> Result<Option<Block<Transaction>>, Self::Error> {
+        let id = block_hash_or_number.into();
+        Ok(match id {
+            BlockId::Number(num) => {
+                let num = utils::serialize(&num);
+                self.request("eth_getHeaderByNumber", [num]).await?
+            }
+            BlockId::Hash(hash) => {
+                let hash = utils::serialize(&hash);
+                self.request("eth_getHeaderByHash", [hash]).await?
+            }
+        })
+    }
+
     async fn get_block_with_txs<T: Into<BlockId> + Send + Sync>(
         &self,
         block_hash_or_number: T,