From c956bcb13c287baf1d4ae1b2c9ae83d43423d67f Mon Sep 17 00:00:00 2001
From: Taylor Gerring <taylor.gerring@gmail.com>
Date: Wed, 25 Mar 2015 12:08:48 +0100
Subject: [PATCH] Move version to const and expose via Version()

---
 whisper/whisper.go | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/whisper/whisper.go b/whisper/whisper.go
index dbd4fc85fd..1d019aea5e 100644
--- a/whisper/whisper.go
+++ b/whisper/whisper.go
@@ -16,8 +16,9 @@ import (
 )
 
 const (
-	statusMsg    = 0x0
-	envelopesMsg = 0x01
+	statusMsg      = 0x0
+	envelopesMsg   = 0x01
+	whisperVersion = 0x02
 )
 
 type MessageEvent struct {
@@ -56,7 +57,7 @@ func New() *Whisper {
 	// p2p whisper sub protocol handler
 	whisper.protocol = p2p.Protocol{
 		Name:    "shh",
-		Version: 2,
+		Version: uint(whisperVersion),
 		Length:  2,
 		Run:     whisper.msgHandler,
 	}
@@ -64,6 +65,10 @@ func New() *Whisper {
 	return whisper
 }
 
+func (self *Whisper) Version() uint {
+	return self.protocol.Version
+}
+
 func (self *Whisper) Start() {
 	wlogger.Infoln("Whisper started")
 	go self.update()