Add health endpoint

crates/fake-rpc/src/lib.rs

@@ -90,10 +90,10 @@ async fn rpc(
                 anvil.advance().await.unwrap();
             }
 
-            anvil.reference_anvil.lock().await
+            anvil.main_anvil.lock().await
         }
         "eth_getTransactionReceipt" => anvil.main_anvil.lock().await,
-        "eth_getTransactionByHash" => anvil.reference_anvil.lock().await,
+        "eth_getTransactionByHash" => anvil.main_anvil.lock().await,
         _ => anvil.main_anvil.lock().await,
     };
 

src/server.rs

@@ -95,6 +95,7 @@ pub async fn spawn_server(
 
     let router = Router::new()
         .nest("/1", v1_routes)
+        .route("/health", get(routes::health))
         .layer(tower_http::trace::TraceLayer::new_for_http())
         .layer(axum::middleware::from_fn(middleware::log_response));
 

src/server/routes.rs

@@ -1,3 +1,9 @@
+use hyper::StatusCode;
+
 pub mod network;
 pub mod relayer;
 pub mod transaction;
+
+pub async fn health() -> StatusCode {
+    StatusCode::OK
+}