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updateversion.go
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/
updateversion.go
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// Copyright (c) 2017-2019 The Elastos Foundation
// Use of this source code is governed by an MIT
// license that can be found in the LICENSE file.
//
package payload
import (
"bytes"
"io"
"github.com/elastos/Elastos.ELA/common"
)
const UpdateVersionVersion byte = 0x00
type UpdateVersion struct {
StartHeight uint32
EndHeight uint32
}
func (u *UpdateVersion) Data(version byte) []byte {
buf := new(bytes.Buffer)
if err := u.Serialize(buf, version); err != nil {
return []byte{0}
}
return buf.Bytes()
}
func (u *UpdateVersion) Serialize(w io.Writer, version byte) error {
if err := common.WriteUint32(w, u.StartHeight); err != nil {
return err
}
if err := common.WriteUint32(w, u.EndHeight); err != nil {
return err
}
return nil
}
func (u *UpdateVersion) Deserialize(r io.Reader, version byte) (err error) {
if u.StartHeight, err = common.ReadUint32(r); err != nil {
return err
}
if u.EndHeight, err = common.ReadUint32(r); err != nil {
return err
}
return nil
}