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ledger_data_remover.go
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ledger_data_remover.go
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/*
Copyright hechain. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package kvledger
import (
"github.com/hechain20/hechain/common/ledger/blkstorage"
"github.com/hechain20/hechain/core/ledger/confighistory"
"github.com/hechain20/hechain/core/ledger/kvledger/bookkeeping"
"github.com/hechain20/hechain/core/ledger/kvledger/history"
"github.com/hechain20/hechain/core/ledger/kvledger/txmgmt/privacyenabledstate"
"github.com/hechain20/hechain/core/ledger/pvtdatastorage"
)
type ledgerDataRemover struct {
blkStoreProvider *blkstorage.BlockStoreProvider
statedbProvider *privacyenabledstate.DBProvider
configHistoryMgr *confighistory.Mgr
bookkeepingProvider *bookkeeping.Provider
historydbProvider *history.DBProvider
pvtdataStoreProvider *pvtdatastorage.Provider
}
// Drop drops channel-specific data from all the ledger DBs, which includes
// stateDB, configHistoryDB, bookkeeperDB, historyDB, pvtdataStore, block index and blocks directory.
// This function can be called multiple times for the same ledgerID. It is not an error if the ledger
// does not exist. The data consistency and concurrency control will be handled outside of this function.
func (r *ledgerDataRemover) Drop(ledgerID string) error {
logger.Infow("Dropping ledger data", "channel", ledgerID)
var err error
if err = r.statedbProvider.Drop(ledgerID); err != nil {
logger.Errorw("failed to drop ledger data from stateDB", "channel", ledgerID, "error", err)
return err
}
if err = r.configHistoryMgr.Drop(ledgerID); err != nil {
logger.Errorw("failed to drop ledger data from configHistoryDB", "channel", ledgerID, "error", err)
return err
}
if err := r.bookkeepingProvider.Drop(ledgerID); err != nil {
logger.Errorw("failed to drop ledger data from bookkeepingDB", "channel", ledgerID, "error", err)
return err
}
if r.historydbProvider != nil {
if err = r.historydbProvider.Drop(ledgerID); err != nil {
logger.Errorw("failed to drop ledger data from historyDB", "channel", ledgerID, "error", err)
return err
}
}
if err = r.pvtdataStoreProvider.Drop(ledgerID); err != nil {
logger.Errorw("failed to drop ledger data from pvtdataStore", "channel", ledgerID, "error", err)
return err
}
if err = r.blkStoreProvider.Drop(ledgerID); err != nil {
logger.Errorw("failed to drop ledger data from blockstore", "channel", ledgerID, "error", err)
return err
}
return nil
}