From 7d430448a9e74a3b41e1b914e02ac7473bcbbc65 Mon Sep 17 00:00:00 2001
From: Yongfeng LI <wliyongfeng@gmail.com>
Date: Tue, 17 Apr 2018 14:31:36 +0800
Subject: [PATCH] take place CompareTwoXpubs with  chainkd.IsXpubsEqual

---
 account/accounts.go               |  2 +-
 crypto/ed25519/chainkd/chainkd.go | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/account/accounts.go b/account/accounts.go
index b85cfd07..0a3a197d 100644
--- a/account/accounts.go
+++ b/account/accounts.go
@@ -277,7 +277,7 @@ func (m *Manager) ListCtrlProgramsByXpubs(ctx context.Context, xpubs []chainkd.X
 
 	var result []*CtrlProgram
 	for _, cp := range cps {
-		if cp.Address == "" || chainkd.CompareTwoXPubs(cp.XPubs, xpubs) != 0 {
+		if cp.Address == "" || chainkd.IsXpubsEqual(cp.XPubs, xpubs) {
 			continue
 		}
 		result = append(result, cp)
diff --git a/crypto/ed25519/chainkd/chainkd.go b/crypto/ed25519/chainkd/chainkd.go
index 23f6fc24..eebeef49 100644
--- a/crypto/ed25519/chainkd/chainkd.go
+++ b/crypto/ed25519/chainkd/chainkd.go
@@ -1,6 +1,7 @@
 package chainkd
 
 import (
+	"bytes"
 	"crypto/hmac"
 	"crypto/rand"
 	"crypto/sha512"
@@ -8,7 +9,6 @@ import (
 
 	"github.com/bytom/crypto/ed25519"
 	"github.com/bytom/crypto/ed25519/ecmath"
-	"bytes"
 )
 
 type (
@@ -18,15 +18,15 @@ type (
 	XPub [64]byte
 )
 
-// CompareTwoXPubs
-func CompareTwoXPubs(a, b []XPub) int {
+// IsXpubsEqual
+func IsXpubsEqual(a, b []XPub) bool {
 	for i, xpub := range a {
 		result := bytes.Compare(xpub[:], b[i][:])
 		if result != 0 {
-			return result
+			return false
 		}
 	}
-	return 0
+	return true
 }
 
 // NewXPrv takes a source of random bytes and produces a new XPrv.
-- 
2.11.0