feat: make engine API metered methods and utilities public (#17460)

crates/rpc/rpc-engine-api/src/engine_api.rs

@@ -147,7 +147,7 @@ where
     }
 
     /// Metered version of `new_payload_v1`.
-    async fn new_payload_v1_metered(
+    pub async fn new_payload_v1_metered(
         &self,
         payload: PayloadT::ExecutionData,
     ) -> EngineApiResult<PayloadStatus> {
@@ -271,6 +271,11 @@ where
         self.inner.metrics.new_payload_response.update_response_metrics(&res, gas_used, elapsed);
         Ok(res?)
     }
+
+    /// Returns whether the engine accepts execution requests hash.
+    pub fn accept_execution_requests_hash(&self) -> bool {
+        self.inner.accept_execution_requests_hash
+    }
 }
 
 impl<Provider, EngineT, Pool, Validator, ChainSpec>
@@ -754,7 +759,8 @@ where
             .map_err(|err| EngineApiError::Internal(Box::new(err)))
     }
 
-    fn get_blobs_v1_metered(
+    /// Metered version of `get_blobs_v1`.
+    pub fn get_blobs_v1_metered(
         &self,
         versioned_hashes: Vec<B256>,
     ) -> EngineApiResult<Vec<Option<BlobAndProofV1>>> {
@@ -788,7 +794,8 @@ where
             .map_err(|err| EngineApiError::Internal(Box::new(err)))
     }
 
-    fn get_blobs_v2_metered(
+    /// Metered version of `get_blobs_v2`.
+    pub fn get_blobs_v2_metered(
         &self,
         versioned_hashes: Vec<B256>,
     ) -> EngineApiResult<Option<Vec<BlobAndProofV2>>> {