From b1aff8d752e4cf0a3bc47ab2c5e0d90ac38013c0 Mon Sep 17 00:00:00 2001
From: vyzo <vyzo@hackzen.org>
Date: Sun, 8 Mar 2020 01:54:40 +0200
Subject: [PATCH] add nil check in Score function

necessary for when the score is not specified in gossipsub router.
---
 score.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/score.go b/score.go
index 6c56e88..a8f222b 100644
--- a/score.go
+++ b/score.go
@@ -138,6 +138,10 @@ func (ps *peerScore) Start(gs *GossipSubRouter) {
 }
 
 func (ps *peerScore) Score(p peer.ID) float64 {
+	if ps == nil {
+		return 0
+	}
+
 	ps.Lock()
 	defer ps.Unlock()