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storage_item.go
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/
storage_item.go
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/*
* Copyright (C) 2018 The ontology Authors
* This file is part of The ontology library.
*
* The ontology is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The ontology is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with The ontology. If not, see <http://www.gnu.org/licenses/>.
*/
package states
import (
"bytes"
"io"
"github.com/ontio/ontology/common/serialization"
"github.com/ontio/ontology/errors"
)
type StorageItem struct {
StateBase
Value []byte
}
func (this *StorageItem) Serialize(w io.Writer) error {
this.StateBase.Serialize(w)
serialization.WriteVarBytes(w, this.Value)
return nil
}
func (this *StorageItem) Deserialize(r io.Reader) error {
err := this.StateBase.Deserialize(r)
if err != nil {
return errors.NewDetailErr(err, errors.ErrNoCode, "[StorageItem], StateBase Deserialize failed.")
}
value, err := serialization.ReadVarBytes(r)
if err != nil {
return errors.NewDetailErr(err, errors.ErrNoCode, "[StorageItem], Value Deserialize failed.")
}
this.Value = value
return nil
}
func (storageItem *StorageItem) ToArray() []byte {
b := new(bytes.Buffer)
storageItem.Serialize(b)
return b.Bytes()
}