From b52bb31b767a3e31266e6138e24f7226ebbd8882 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Felf=C3=B6ldi=20Zsolt?= <zsfelfoldi@gmail.com>
Date: Tue, 14 Aug 2018 22:59:18 +0200
Subject: [PATCH] p2p/discv5: add delay to refresh cycle when no seed nodes are
 found (#16994)

---
 p2p/discv5/net.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/p2p/discv5/net.go b/p2p/discv5/net.go
index 4c39c0553..b93c93d64 100644
--- a/p2p/discv5/net.go
+++ b/p2p/discv5/net.go
@@ -678,7 +678,7 @@ func (net *Network) refresh(done chan<- struct{}) {
 	}
 	if len(seeds) == 0 {
 		log.Trace("no seed nodes found")
-		close(done)
+		time.AfterFunc(time.Second*10, func() { close(done) })
 		return
 	}
 	for _, n := range seeds {