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Add auto-gzip contracts in cli when uploading #19
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,38 @@ | ||
package utils | ||
|
||
import ( | ||
"bytes" | ||
"compress/gzip" | ||
) | ||
|
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var ( | ||
gzipIdent = []byte("\x1F\x8B\x08") | ||
wasmIdent = []byte("\x00\x61\x73\x6D") | ||
) | ||
|
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// IsGzip returns checks if the file contents are gzip compressed | ||
func IsGzip(input []byte) bool { | ||
return bytes.Equal(input[:3], gzipIdent) | ||
} | ||
|
||
// IsWasm checks if the file contents are of wasm binary | ||
func IsWasm(input []byte) bool { | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Thanks for the cleanup, so simple |
||
return bytes.Equal(input[:4], wasmIdent) | ||
} | ||
|
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// GzipIt compresses the input ([]byte) | ||
func GzipIt(input []byte) ([]byte, error) { | ||
// Create gzip writer. | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Nice |
||
var b bytes.Buffer | ||
w := gzip.NewWriter(&b) | ||
_, err := w.Write(input) | ||
if err != nil { | ||
return nil, err | ||
} | ||
err = w.Close() // You must close this first to flush the bytes to the buffer. | ||
if err != nil { | ||
return nil, err | ||
} | ||
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return b.Bytes(), nil | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,64 @@ | ||
package utils | ||
|
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import ( | ||
"github.com/stretchr/testify/require" | ||
"io/ioutil" | ||
"testing" | ||
) | ||
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func GetTestData() ([]byte, []byte, []byte, error){ | ||
wasmCode, err := ioutil.ReadFile("../../internal/keeper/testdata/contract.wasm") | ||
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if err != nil { | ||
return nil, nil, nil, err | ||
} | ||
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gzipData, err := GzipIt(wasmCode) | ||
if err != nil { | ||
return nil, nil, nil, err | ||
} | ||
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someRandomStr := []byte("hello world") | ||
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return wasmCode, someRandomStr, gzipData, nil | ||
} | ||
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func TestIsWasm (t *testing.T) { | ||
wasmCode, someRandomStr, gzipData, err := GetTestData() | ||
require.NoError(t, err) | ||
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t.Log("should return false for some random string data") | ||
require.False(t, IsWasm(someRandomStr)) | ||
t.Log("should return false for gzip data") | ||
require.False(t, IsWasm(gzipData)) | ||
t.Log("should return true for exact wasm") | ||
require.True(t, IsWasm(wasmCode)) | ||
} | ||
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func TestIsGzip (t *testing.T) { | ||
wasmCode, someRandomStr, gzipData, err := GetTestData() | ||
require.NoError(t, err) | ||
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require.False(t, IsGzip(wasmCode)) | ||
require.False(t, IsGzip(someRandomStr)) | ||
require.True(t, IsGzip(gzipData)) | ||
} | ||
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func TestGzipIt (t *testing.T) { | ||
wasmCode, someRandomStr, _, err := GetTestData() | ||
originalGzipData := []byte{31, 139, 8, 0, 0, 0, 0, 0, 0, 255, 202, 72, 205, 201, 201, 87, 40, 207, 47, 202, 73, 1, | ||
4, 0, 0, 255, 255, 133, 17, 74, 13, 11, 0, 0, 0} | ||
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require.NoError(t, err) | ||
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t.Log("gzip wasm with no error") | ||
_, err = GzipIt(wasmCode) | ||
require.NoError(t, err) | ||
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t.Log("gzip of a string should return exact gzip data") | ||
strToGzip, err := GzipIt(someRandomStr) | ||
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require.True(t, IsGzip(strToGzip)) | ||
require.NoError(t, err) | ||
require.Equal(t, originalGzipData, strToGzip) | ||
} |
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Nice