From 00f094c37e17e2a0d3ec10b2b4d733b0f10417bd Mon Sep 17 00:00:00 2001
From: Nathan <Nathan.l@nodereal.io>
Date: Tue, 18 Jun 2024 15:53:05 +0800
Subject: [PATCH] core/forkchoice: improve stability when inturn block not
 generated (#2451)

---
 core/forkchoice.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/forkchoice.go b/core/forkchoice.go
index c42ed24d6..3be956068 100644
--- a/core/forkchoice.go
+++ b/core/forkchoice.go
@@ -114,7 +114,9 @@ func (f *ForkChoice) ReorgNeeded(current *types.Header, extern *types.Header) (b
 		if f.preserve != nil {
 			currentPreserve, externPreserve = f.preserve(current), f.preserve(extern)
 		}
-		reorg = !currentPreserve && (externPreserve || f.rand.Float64() < 0.5)
+		reorg = !currentPreserve && (externPreserve ||
+			extern.Time < current.Time ||
+			extern.Time == current.Time && f.rand.Float64() < 0.5)
 	}
 	return reorg, nil
 }