merkle add test; add Makefile; update README

Author: outprog

.gitignore

@@ -1,2 +1,3 @@
 main.go
-test-keyfile.json
+test-keyfile.json
+.DS_Store

Makefile

@@ -0,0 +1,2 @@
+test:
+	sh ./test.sh

README.md

@@ -74,3 +74,11 @@ func main() {
 	fmt.Println(id, stat, err) // {{id}}, Pending, nil
 }
 ```
+
+### Development
+
+#### Test
+
+```
+make test
+```

go.mod

@@ -6,5 +6,5 @@ require github.com/stretchr/testify v1.6.1
 
 require (
 	github.com/everFinance/gojwk v1.0.0
-	github.com/shopspring/decimal v1.2.0 // indirect
+	github.com/shopspring/decimal v1.2.0
 )

test.sh

@@ -0,0 +1,10 @@
+#! /bin/bash
+
+for i in $(find . -iname "*_test.go" -exec dirname {} \; | uniq)
+do
+    go test -race -cover $i;
+    if [ $? != 0 ]
+    then
+      return 1
+    fi
+done

utils/merkle.go

@@ -2,9 +2,10 @@ package utils
 
 import (
 	"crypto/sha256"
-	"github.com/shopspring/decimal"
 	"math"
 	"math/big"
+
+	"github.com/shopspring/decimal"
 )
 
 const (

utils/merkle_test.go

@@ -1,6 +1,7 @@
 package utils
 
 import (
+	"io/ioutil"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -9,6 +10,11 @@ import (
 func TestGenerateChunks(t *testing.T) {
 	data, _ := Base64Decode("NzcyNg")
 	assert.Equal(t, "z3rQGxyiqdQuOh2dxDst176oOKmW3S9MwQNTEh4DK1U", Base64Encode(GenerateChunks(data).DataRoot))
+
+	data, err := ioutil.ReadFile("./testfile/1mb.bin")
+	assert.NoError(t, err)
+	chunks := GenerateChunks(data)
+	assert.Equal(t, "o1tTTjbC7hIZN6KbUUYjlkQoDl2k8VXNuBDcGIs52Hc", Base64Encode(chunks.DataRoot))
 }
 
 func TestChunkData(t *testing.T) {