From bb4278c5dfd3addc820ce81acd5a24607fc8d506 Mon Sep 17 00:00:00 2001
From: Oleg <97077423+RobotSail@users.noreply.github.com>
Date: Mon, 28 Nov 2022 12:37:02 -0500
Subject: [PATCH] new default option for when PSK is present

Signed-off-by: Oleg <97077423+RobotSail@users.noreply.github.com>
---
 defaults.go | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/defaults.go b/defaults.go
index c36c760ccc..b628d64379 100644
--- a/defaults.go
+++ b/defaults.go
@@ -45,6 +45,15 @@ var DefaultTransports = ChainOptions(
 	Transport(ws.New),
 )
 
+// DefaultPrivateTransports are the default libp2p transports when a PSK is supplied.
+//
+// Use this option when you want to *extend* the set of transports used by
+// libp2p instead of replacing them.
+var DefaultPrivateTransports = ChainOptions(
+	Transport(tcp.NewTCPTransport),
+	Transport(ws.New),
+)
+
 // DefaultPeerstore configures libp2p to use the default peerstore.
 var DefaultPeerstore Option = func(cfg *Config) error {
 	ps, err := pstoremem.NewPeerstore()
@@ -135,9 +144,13 @@ var defaults = []struct {
 		opt:      DefaultListenAddrs,
 	},
 	{
-		fallback: func(cfg *Config) bool { return cfg.Transports == nil },
+		fallback: func(cfg *Config) bool { return cfg.Transports == nil && cfg.PSK == nil },
 		opt:      DefaultTransports,
 	},
+	{
+		fallback: func(cfg *Config) bool { return cfg.Transports == nil && cfg.PSK != nil },
+		opt:      DefaultPrivateTransports,
+	},
 	{
 		fallback: func(cfg *Config) bool { return cfg.Muxers == nil },
 		opt:      DefaultMuxers,