From 49315045a0b0e450a6877712e84577f5b11a7703 Mon Sep 17 00:00:00 2001
From: Alexey Kuznetsov <axet@me.com>
Date: Sun, 24 Jul 2016 20:26:30 +0300
Subject: [PATCH] it is actually sha1 hash size

---
 torrent.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/torrent.go b/torrent.go
index 147c3a98..eefee14c 100644
--- a/torrent.go
+++ b/torrent.go
@@ -2,6 +2,7 @@ package torrent
 
 import (
 	"container/heap"
+	"crypto/sha1"
 	"errors"
 	"fmt"
 	"io"
@@ -202,8 +203,8 @@ func (t *Torrent) metadataSize() int {
 }
 
 func infoPieceHashes(info *metainfo.Info) (ret []string) {
-	for i := 0; i < len(info.Pieces); i += 20 {
-		ret = append(ret, string(info.Pieces[i:i+20]))
+	for i := 0; i < len(info.Pieces); i += sha1.Size {
+		ret = append(ret, string(info.Pieces[i:i+sha1.Size]))
 	}
 	return
 }
-- 
2.48.1