From 900f8f2f341824d1bf76c01c60246a00840c19d4 Mon Sep 17 00:00:00 2001
From: Timofey Luin <timofey.luin@gmail.com>
Date: Mon, 23 Sep 2024 14:38:36 +0200
Subject: [PATCH] add healthcheck endpoint

---
 prover/src/rpc.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/prover/src/rpc.rs b/prover/src/rpc.rs
index edc78bf..024a90a 100644
--- a/prover/src/rpc.rs
+++ b/prover/src/rpc.rs
@@ -3,6 +3,7 @@
 // SPDX-License-Identifier: LGPL-3.0-only
 
 use ark_std::{end_timer, start_timer};
+use axum::routing::get;
 use axum::{http::StatusCode, response::IntoResponse, routing::post, Router};
 use ethers::prelude::*;
 use jsonrpc_v2::{Data, RequestObject as JsonRpcRequestObject};
@@ -180,6 +181,12 @@ where
     )?)
 }
 
+// health check endopoint
+pub(crate) async fn health_check_handler(
+) -> &'static str {
+    "UP"
+}
+
 pub async fn run_rpc<S: eth_types::Spec>(
     port: usize,
     config_dir: impl AsRef<Path>,
@@ -202,6 +209,7 @@ where
     let rpc_server = Arc::new(jsonrpc_server::<S>(state));
     let router = Router::new()
         .route("/rpc", post(handler))
+        .route("/health", get(health_check_handler))
         .with_state(rpc_server);
 
     log::info!("Ready for RPC connections");