From 640bd8346526d1a5fb6f0230281d4026ebd10a8b Mon Sep 17 00:00:00 2001
From: Yahtoo Ma <yahtoo.ma@gmail.com>
Date: Mon, 5 Aug 2019 10:10:24 +0800
Subject: [PATCH] Del expired banned peers when add peer

---
 p2p/security/blacklist.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/p2p/security/blacklist.go b/p2p/security/blacklist.go
index 8f5682a8..951d659b 100644
--- a/p2p/security/blacklist.go
+++ b/p2p/security/blacklist.go
@@ -38,6 +38,13 @@ func (bl *Blacklist) AddPeer(ip string) error {
 	bl.mtx.Lock()
 	defer bl.mtx.Unlock()
 
+	// delete expired banned peers
+	for peer, banEnd := range bl.peers {
+		if time.Now().Before(banEnd) {
+			delete(bl.peers, peer)
+		}
+	}
+	// add banned peer
 	bl.peers[ip] = time.Now().Add(defaultBanDuration)
 	dataJSON, err := json.Marshal(bl.peers)
 	if err != nil {
-- 
2.11.0