From bb9fa5c2f73bef7007c9f3abb2cea6243635c2d5 Mon Sep 17 00:00:00 2001
From: Eval EXEC <execvy@gmail.com>
Date: Tue, 15 Oct 2024 11:13:56 +0800
Subject: [PATCH] remove empty by_out_point entry

Signed-off-by: Eval EXEC <execvy@gmail.com>
---
 tx-pool/src/component/orphan.rs | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/tx-pool/src/component/orphan.rs b/tx-pool/src/component/orphan.rs
index d73132bc81..ee92918bae 100644
--- a/tx-pool/src/component/orphan.rs
+++ b/tx-pool/src/component/orphan.rs
@@ -75,9 +75,13 @@ impl OrphanPool {
         self.entries.remove(id).map(|entry| {
             debug!("remove orphan tx {}", entry.tx.hash());
             for out_point in entry.tx.input_pts_iter() {
-                self.by_out_point
-                    .get_mut(&out_point)
-                    .map(|set| set.remove(id));
+                if let Some(ids_set) = self.by_out_point.get_mut(&out_point) {
+                    ids_set.remove(id);
+
+                    if ids_set.is_empty() {
+                        self.by_out_point.remove(&out_point);
+                    }
+                }
             }
             entry
         })