From 86805e711c0b28208aeb4ba3e8599ef7967a53c6 Mon Sep 17 00:00:00 2001
From: Kevin Atkinson <k@kevina.org>
Date: Fri, 10 Aug 2018 00:13:49 -0400
Subject: [PATCH] Change field names in V1Builder to match Prefix.

---
 builder.go      | 12 ++++++------
 builder_test.go |  4 ++--
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/builder.go b/builder.go
index fec6590..af33aac 100644
--- a/builder.go
+++ b/builder.go
@@ -13,9 +13,9 @@ type Builder interface {
 type V0Builder struct{}
 
 type V1Builder struct {
-	Codec   uint64
-	HashFun uint64
-	HashLen int // HashLen <= 0 means the default length
+	Codec    uint64
+	MhType   uint64
+	MhLength int // MhLength <= 0 means the default length
 }
 
 func (p Prefix) GetCodec() uint64 {
@@ -49,15 +49,15 @@ func (p V0Builder) WithCodec(c uint64) Builder {
 	if c == DagProtobuf {
 		return p
 	}
-	return V1Builder{Codec: c, HashFun: mh.SHA2_256}
+	return V1Builder{Codec: c, MhType: mh.SHA2_256}
 }
 
 func (p V1Builder) Sum(data []byte) (*Cid, error) {
-	mhLen := p.HashLen
+	mhLen := p.MhLength
 	if mhLen <= 0 {
 		mhLen = -1
 	}
-	hash, err := mh.Sum(data, p.HashFun, mhLen)
+	hash, err := mh.Sum(data, p.MhType, mhLen)
 	if err != nil {
 		return nil, err
 	}
diff --git a/builder_test.go b/builder_test.go
index 82c3b1c..dc6f35c 100644
--- a/builder_test.go
+++ b/builder_test.go
@@ -35,7 +35,7 @@ func TestV1Builder(t *testing.T) {
 	data := []byte("this is some test content")
 
 	// Construct c1
-	format := V1Builder{Codec: DagCBOR, HashFun: mh.SHA2_256}
+	format := V1Builder{Codec: DagCBOR, MhType: mh.SHA2_256}
 	c1, err := format.Sum(data)
 	if err != nil {
 		t.Fatal(err)
@@ -69,7 +69,7 @@ func TestCodecChange(t *testing.T) {
 		testCodecChange(t, V0Builder{})
 	})
 	t.Run("V1Builder", func(t *testing.T) {
-		testCodecChange(t, V1Builder{Codec: DagProtobuf, HashFun: mh.SHA2_256})
+		testCodecChange(t, V1Builder{Codec: DagProtobuf, MhType: mh.SHA2_256})
 	})
 }