From 2e263956e30b39773a3195a597bab037bccc0b66 Mon Sep 17 00:00:00 2001
From: Lee Bousfield <ljbousfield@gmail.com>
Date: Wed, 3 Aug 2022 19:35:39 -0500
Subject: [PATCH] Forward health check from sequencer if applicable

---
 arbnode/sequencer.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arbnode/sequencer.go b/arbnode/sequencer.go
index d0dab862f6..3fceab8ce9 100644
--- a/arbnode/sequencer.go
+++ b/arbnode/sequencer.go
@@ -125,6 +125,13 @@ func (s *Sequencer) postTxFilter(state *arbosState.ArbosState, tx *types.Transac
 }
 
 func (s *Sequencer) CheckHealth(ctx context.Context) error {
+	s.forwarderMutex.Lock()
+	forwarder := s.forwarder
+	s.forwarderMutex.Unlock()
+	if forwarder != nil {
+		return forwarder.CheckHealth(ctx)
+	}
+
 	if s.txStreamer.coordinator != nil && !s.txStreamer.coordinator.CurrentlyChosen() {
 		return ErrNoSequencer
 	}