From ac65a7cd87299b2096a3f231b5bde30def6f60d7 Mon Sep 17 00:00:00 2001
From: Csaba Kiraly <csaba.kiraly@gmail.com>
Date: Thu, 15 Jan 2026 13:56:17 +0100
Subject: [PATCH] eth/handler: fix blocking on stop

Signed-off-by: Csaba Kiraly <csaba.kiraly@gmail.com>
---
 eth/handler.go | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/eth/handler.go b/eth/handler.go
index 26c084c0ed..fc1c55776a 100644
--- a/eth/handler.go
+++ b/eth/handler.go
@@ -740,7 +740,17 @@ func (h *handler) txOnChainCacheLoop() {
 	//Subscribe to chain events to know when transactions are added to chain
 	headEventCh := make(chan core.ChainEvent, 10)
 	sub := h.chain.SubscribeChainEvent(headEventCh)
-	defer sub.Unsubscribe()
+	defer func() {
+		sub.Unsubscribe()
+		// drain channel
+		for {
+			select {
+			case <-headEventCh:
+			default:
+				return
+			}
+		}
+	}()
 
 	var oldHead *types.Header
 	for {
@@ -762,6 +772,8 @@ func (h *handler) txOnChainCacheLoop() {
 		// exit when the subscription ends
 		case <-sub.Err():
 			return
+		case <-h.quitSync:
+			return
 		}
 	}
 }