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schema.go
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schema.go
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// Copyright 2022 Piprate Limited
//
// 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 local
import (
"github.com/piprate/metalocker/utils"
"go.etcd.io/bbolt"
)
const (
// root buckets
BlocksKey = "blocks"
BlockCompositionsKey = "block_composition"
RecordsKey = "records"
RecordStatesKey = "record_states"
ControlsKey = "controls"
UnconfirmedRecordsKey = "unconfirmed_records"
DataAssetStatesKey = "data_asset_states"
HeadsKey = "heads"
// control variables
TopBlockNumberKey = "top_block_number"
CurrentSessionIDKey = "current_session_id"
)
var (
buckets = []string{BlocksKey, BlockCompositionsKey, RecordsKey, RecordStatesKey, ControlsKey,
UnconfirmedRecordsKey, DataAssetStatesKey, HeadsKey}
)
func InstallLedgerSchema(bc *utils.BoltClient) error {
err := bc.DB.Update(func(tx *bbolt.Tx) error {
for _, bucket := range buckets {
_, err := tx.CreateBucketIfNotExists([]byte(bucket))
if err != nil {
return err
}
}
return nil
})
if err != nil {
return err
}
return nil
}