From 4209216696cb100f511ee04ac2c190b91f6c7fd4 Mon Sep 17 00:00:00 2001
From: Matt Joiner <anacrolix@gmail.com>
Date: Wed, 2 Oct 2013 20:12:05 +1000
Subject: [PATCH] BEP20

---
 client.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/client.go b/client.go
index 0a190925..f2d76215 100644
--- a/client.go
+++ b/client.go
@@ -21,6 +21,7 @@ const (
 	PieceHash   = crypto.SHA1
 	maxRequests = 10
 	chunkSize   = 0x4000 // 16KiB
+	BEP20       = "-GT0000-"
 )
 
 type InfoHash [20]byte
@@ -273,7 +274,8 @@ func NewClient(dataDir string) *client {
 		torrentFinished: make(chan InfoHash),
 		actorTask:       make(chan func()),
 	}
-	_, err := rand.Read(c.PeerId[:])
+	o := copy(c.PeerId[:], BEP20)
+	_, err := rand.Read(c.PeerId[o:])
 	if err != nil {
 		panic("error generating peer id")
 	}
-- 
2.48.1