From 3fb8b87a87fe1d6e7a11bf58cc6b316c83650b73 Mon Sep 17 00:00:00 2001
From: wit liu <765765346@qq.com>
Date: Sun, 4 Jan 2026 20:01:29 +0800
Subject: [PATCH] eth/filters: terminate pending tx subscription on error
 #32794 (#1901)

---
 eth/filters/api.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/eth/filters/api.go b/eth/filters/api.go
index e4e2246de6..2ec5ff62a2 100644
--- a/eth/filters/api.go
+++ b/eth/filters/api.go
@@ -141,6 +141,7 @@ func (api *FilterAPI) NewPendingTransactionFilter() rpc.ID {
 				api.filtersMu.Lock()
 				delete(api.filters, pendingTxSub.ID)
 				api.filtersMu.Unlock()
+				pendingTxSub.Unsubscribe()
 				return
 			}
 		}