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reset.go
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reset.go
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/*
Copyright IBM Corp. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package kvledger
import (
"justledger/common/ledger/blkstorage/fsblkstorage"
"justledger/core/ledger/ledgerconfig"
)
// ResetAllKVLedgers resets all ledger to the genesis block.
func ResetAllKVLedgers() error {
logger.Info("Resetting all ledgers to genesis block")
ledgerDataFolder := ledgerconfig.GetRootPath()
logger.Infof("Ledger data folder from config = [%s]", ledgerDataFolder)
if err := dropDBs(); err != nil {
return err
}
if err := resetBlockStorage(); err != nil {
return err
}
logger.Info("Done!")
return nil
}
// LoadPreResetHeight returns the pre-reset height of all ledgers.
func LoadPreResetHeight() (map[string]uint64, error) {
blockstorePath := ledgerconfig.GetBlockStorePath()
logger.Infof("Loading prereset height from path [%s]", blockstorePath)
return fsblkstorage.LoadPreResetHeight(blockstorePath)
}
func ClearPreResetHeight() error {
blockstorePath := ledgerconfig.GetBlockStorePath()
logger.Infof("Clearing off prereset height files from path [%s]", blockstorePath)
return fsblkstorage.ClearPreResetHeight(blockstorePath)
}
func resetBlockStorage() error {
blockstorePath := ledgerconfig.GetBlockStorePath()
logger.Infof("Resetting BlockStore to genesis block at location [%s]", blockstorePath)
return fsblkstorage.ResetBlockStore(blockstorePath)
}