/
lifeline.go
58 lines (52 loc) · 1.83 KB
/
lifeline.go
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/*
* Copyright 2019 Insolar Technologies
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package index
import (
"bytes"
"github.com/insolar/insolar/core"
"github.com/insolar/insolar/ledger/storage/record"
"github.com/ugorji/go/codec"
)
// ObjectLifeline represents meta information for record object.
type ObjectLifeline struct {
LatestState *core.RecordID // Amend or activate record.
LatestStateApproved *core.RecordID // State approved by VM.
ChildPointer *core.RecordID // Meta record about child activation.
Parent core.RecordRef
Delegates map[core.RecordRef]core.RecordRef
State record.State
LatestUpdate core.PulseNumber
}
// EncodeObjectLifeline converts lifeline index into binary format.
func EncodeObjectLifeline(index *ObjectLifeline) ([]byte, error) {
var buf bytes.Buffer
enc := codec.NewEncoder(&buf, &codec.CborHandle{})
err := enc.Encode(index)
if err != nil {
return nil, err
}
return buf.Bytes(), nil
}
// DecodeObjectLifeline converts byte array into lifeline index struct.
func DecodeObjectLifeline(buf []byte) (*ObjectLifeline, error) {
dec := codec.NewDecoder(bytes.NewReader(buf), &codec.CborHandle{})
var index ObjectLifeline
err := dec.Decode(&index)
if err != nil {
return nil, err
}
return &index, nil
}