From 712bab2c64f4e89909d378d735219a04aeefe453 Mon Sep 17 00:00:00 2001
From: vyzo <vyzo@hackzen.org>
Date: Mon, 2 Mar 2020 20:51:51 +0200
Subject: [PATCH] remove peers with negative score from fanout

---
 gossipsub.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/gossipsub.go b/gossipsub.go
index 4699978..4ebe85d 100644
--- a/gossipsub.go
+++ b/gossipsub.go
@@ -737,10 +737,11 @@ func (gs *GossipSubRouter) heartbeat() {
 
 	// maintain our fanout for topics we are publishing but we have not joined
 	for topic, peers := range gs.fanout {
-		// check whether our peers are still in the topic
+		// check whether our peers are still in the topic and don't have a negative score
 		for p := range peers {
 			_, ok := gs.p.topics[topic][p]
-			if !ok {
+			score := gs.score.Score(p)
+			if !ok || score < 0 {
 				delete(peers, p)
 			}
 		}