From 8c0e4c92c6114c04d3b461ee4c42177e60f65c0f Mon Sep 17 00:00:00 2001
From: Zsolt Felfoldi <zsfelfoldi@gmail.com>
Date: Fri, 15 Jun 2018 13:54:15 +0200
Subject: [PATCH] p2p/discv5: add delay to refresh cycle when no seed nodes are
 found

---
 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 9b0bd0c80a..5a45a39acd 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 {