historykvdb

package

v0.0.0-...-8b03266 Latest Latest Go to latest Published: Aug 14, 2022 License: Apache-2.0 Imports: 14 Imported by: 0

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type HistoryKvDB struct {
	// contains filtered or unexported fields
}

HistoryKvDB provider an implementation of `historydb.HistoryDB` This implementation provides a key-value based data model

func NewHistoryKvDB(chainId string, config *conf.HistoryDbConfig, db protocol.DBHandle,
	logger protocol.Logger) *HistoryKvDB

func (h *HistoryKvDB) Close()

Close is used to close database

func (h *HistoryKvDB) CommitBlock(blockInfo *serialization.BlockWithSerializedInfo, isCache bool) error

CommitBlock commits the block rwsets in an atomic operation

func (h *HistoryKvDB) GetAccountTxHistory(account []byte) (historydb.HistoryIterator, error)

GetAccountTxHistory AccountId+BlockHeight+ TxId

func (h *HistoryKvDB) GetContractTxHistory(contractName string) (historydb.HistoryIterator, error)

func (h *HistoryKvDB) GetHistoryForKey(contractName string, key []byte) (historydb.HistoryIterator, error)

func (h *HistoryKvDB) GetLastSavepoint() (uint64, error)

GetLastSavepoint returns the last block height

func (h *HistoryKvDB) InitGenesis(genesisBlock *serialization.BlockWithSerializedInfo) error