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Pad Uint256's SSZBytes to length 32 (#10889)

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Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
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terencechain 2022-06-15 21:29:32 -07:00 committed by GitHub
parent e81f3fed01
commit 69438583e5
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2 changed files with 3 additions and 2 deletions
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2
api/client/builder/types.go
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@ -63,7 +63,7 @@ func sszBytesToUint256(b []byte) Uint256 {
// SSZBytes creates an ssz-style (little-endian byte slice) representation of the Uint256 // SSZBytes creates an ssz-style (little-endian byte slice) representation of the Uint256
func (s Uint256) SSZBytes() []byte { func (s Uint256) SSZBytes() []byte {
return bytesutil.ReverseByteOrder(s.Int.Bytes()) return bytesutil.PadTo(bytesutil.ReverseByteOrder(s.Int.Bytes()), 32)
} }
var errUnmarshalUint256Failed = errors.New("unable to UnmarshalText into a Uint256 value") var errUnmarshalUint256Failed = errors.New("unable to UnmarshalText into a Uint256 value")

3
api/client/builder/types_test.go
View File

@ -694,9 +694,10 @@ func TestMarshalBlindedBeaconBlockBodyBellatrix(t *testing.T) {
} }
func TestRoundTripUint256(t *testing.T) { func TestRoundTripUint256(t *testing.T) {
vs := "452312848583266388373324160190187140051835877600158453279131187530910662656" vs := "4523128485832663883733241601901871400518358776001584532791311875309106626"
u := stringToUint256(vs) u := stringToUint256(vs)
sb := u.SSZBytes() sb := u.SSZBytes()
require.Equal(t, 32, len(sb))
uu := sszBytesToUint256(sb) uu := sszBytesToUint256(sb)
require.Equal(t, true, bytes.Equal(u.SSZBytes(), uu.SSZBytes())) require.Equal(t, true, bytes.Equal(u.SSZBytes(), uu.SSZBytes()))
require.Equal(t, vs, uu.String()) require.Equal(t, vs, uu.String())