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unregistercr.go
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unregistercr.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"
"errors"
"io"
"github.com/elastos/Elastos.ELA/common"
"github.com/elastos/Elastos.ELA/crypto"
)
const UnregisterCRVersion byte = 0x00
type UnregisterCR struct {
CID common.Uint168
Signature []byte
}
func (a *UnregisterCR) Data(version byte) []byte {
buf := new(bytes.Buffer)
if err := a.Serialize(buf, version); err != nil {
return []byte{0}
}
return buf.Bytes()
}
func (a *UnregisterCR) Serialize(w io.Writer, version byte) error {
err := a.SerializeUnsigned(w, version)
if err != nil {
return err
}
err = common.WriteVarBytes(w, a.Signature)
if err != nil {
return errors.New("[UnregisterCR], Signature serialize failed")
}
return nil
}
func (a *UnregisterCR) SerializeUnsigned(w io.Writer, version byte) error {
if err := a.CID.Serialize(w); err != nil {
return errors.New("[UnregisterCR], CID serialize failed")
}
return nil
}
func (a *UnregisterCR) Deserialize(r io.Reader, version byte) error {
err := a.DeserializeUnsigned(r, version)
if err != nil {
return err
}
a.Signature, err = common.ReadVarBytes(r, crypto.MaxSignatureScriptLength, "signature")
if err != nil {
return errors.New("[UnregisterCR], signature deserialize failed")
}
return nil
}
func (a *UnregisterCR) DeserializeUnsigned(r io.Reader, version byte) error {
if err := a.CID.Deserialize(r); err != nil {
return errors.New("[UnregisterCR], CID deserialize failed")
}
return nil
}