From 9d250aef37077a4ae17edcbf04048a182989fe16 Mon Sep 17 00:00:00 2001
From: vyzo <vyzo@hackzen.org>
Date: Sun, 26 Aug 2018 13:40:11 +0300
Subject: [PATCH] option to enable message signing

---
 pubsub.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pubsub.go b/pubsub.go
index fd89dc9..c1e5cc4 100644
--- a/pubsub.go
+++ b/pubsub.go
@@ -190,6 +190,13 @@ func WithValidateThrottle(n int) Option {
 	}
 }
 
+func WithMessageSigning() Option {
+	return func(p *PubSub) error {
+		p.signKey = p.host.Peerstore().PrivKey(p.host.ID())
+		return nil
+	}
+}
+
 // processLoop handles all inputs arriving on the channels
 func (p *PubSub) processLoop(ctx context.Context) {
 	defer func() {