From 20fbd66c90d42053f5edfe3f02d3ef4df4263c57 Mon Sep 17 00:00:00 2001
From: vyzo <vyzo@hackzen.org>
Date: Thu, 27 Aug 2020 21:12:38 +0300
Subject: [PATCH] tweak some pubsub parameters

- increase Bootstapp prune backoff to 5min from the default 1min
- reduce opportunistic graft threshold to 3.5 to account for low peer scores
---
 node/modules/lp2p/pubsub.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/node/modules/lp2p/pubsub.go b/node/modules/lp2p/pubsub.go
index f847cf7ad..c7fb5123a 100644
--- a/node/modules/lp2p/pubsub.go
+++ b/node/modules/lp2p/pubsub.go
@@ -235,7 +235,7 @@ func GossipSub(in GossipIn) (service *pubsub.PubSub, err error) {
 				PublishThreshold:            -1000,
 				GraylistThreshold:           -2500,
 				AcceptPXThreshold:           1000,
-				OpportunisticGraftThreshold: 5,
+				OpportunisticGraftThreshold: 3.5,
 			},
 		),
 		pubsub.WithPeerScoreInspect(in.Sk.Update, 10*time.Second),
@@ -251,6 +251,7 @@ func GossipSub(in GossipIn) (service *pubsub.PubSub, err error) {
 		pubsub.GossipSubDout = 0
 		pubsub.GossipSubDlazy = 1024
 		pubsub.GossipSubGossipFactor = 0.5
+		pubsub.GossipSubPruneBackoff = 5 * time.Minute
 		// turn on PX
 		options = append(options, pubsub.WithPeerExchange(true))
 	}