From 30929cf1902ad4ba9cea76ea02187a4dcb3abec6 Mon Sep 17 00:00:00 2001
From: Evan Forbes <42654277+evan-forbes@users.noreply.github.com>
Date: Fri, 3 Jun 2022 09:22:38 -0500
Subject: [PATCH] p2p: pass maxConns for MaxPeers during node setup (#8684)

* pass maxConns for MaxPeers
* add upgrade connections to max connections for max peers
* change the formula to calculate max peers
---
 node/setup.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/node/setup.go b/node/setup.go
index 8089ea466..51a048249 100644
--- a/node/setup.go
+++ b/node/setup.go
@@ -223,11 +223,13 @@ func createPeerManager(
 		maxConns = 64
 	}
 
+	maxUpgradeConns := uint16(4)
+
 	options := p2p.PeerManagerOptions{
 		SelfAddress:            selfAddr,
 		MaxConnected:           maxConns,
-		MaxConnectedUpgrade:    4,
-		MaxPeers:               1000,
+		MaxConnectedUpgrade:    maxUpgradeConns,
+		MaxPeers:               maxUpgradeConns + 2*maxConns,
 		MinRetryTime:           250 * time.Millisecond,
 		MaxRetryTime:           30 * time.Minute,
 		MaxRetryTimePersistent: 5 * time.Minute,