/// <summary>
/// Constructor to create a snapshot
/// </summary>
private RocksDbStore(
RocksDbStore rocksDbStore)
{
m_storeDirectory = rocksDbStore.m_storeDirectory;
m_defaults = rocksDbStore.m_defaults;
m_columns = rocksDbStore.m_columns;
m_store = rocksDbStore.m_store;
m_snapshot = m_store.CreateSnapshot();
m_readOptions = new ReadOptions().SetSnapshot(m_snapshot);
}
public Snapshot(Store store, RocksDb db)
{
this.store = store;
this.db = db;
this.snapshot = db.CreateSnapshot();
options = new ReadOptions();
options.SetFillCache(false);
options.SetSnapshot(snapshot);
}
public Snapshot(RocksDb db)
{
this.db = db;
this.snapshot = db.CreateSnapshot();
this.batch = new WriteBatch();
options = new ReadOptions();
options.SetFillCache(false);
options.SetSnapshot(snapshot);
}
public Snapshot(RocksDb db, ColumnFamilyHandle columnFamily)
{
this.db = db;
this.columnFamily = columnFamily;
snapshot = db.CreateSnapshot();
readOptions = new ReadOptions()
.SetSnapshot(snapshot)
.SetFillCache(false);
writeBatch = new WriteBatch();
}
public Snapshot(RocksDb db)
{
this.db = db;
snapshot = db.CreateSnapshot();
readOptions = new ReadOptions().SetSnapshot(snapshot).SetFillCache(false);
writeBatch = new WriteBatch();
Blocks = new DataCache<UInt256, BlockState>(db, BLOCK_FAMILY, readOptions, writeBatch);
Transactions = new DataCache<UInt256, TransactionState>(db, TX_FAMILY, readOptions, writeBatch);
Accounts = new DataCache<UInt160, AccountState>(db, ACCOUNT_FAMILY, readOptions, writeBatch);
UnspentCoins = new DataCache<UInt256, UnspentCoinState>(db, UNSPENT_COIN_FAMILY, readOptions, writeBatch);
SpentCoins = new DataCache<UInt256, SpentCoinState>(db, SPENT_COIN_FAMILY, readOptions, writeBatch);
Validators = new DataCache<ECPoint, ValidatorState>(db, VALIDATOR_FAMILY, readOptions, writeBatch);
Assets = new DataCache<UInt256, AssetState>(db, ASSET_FAMILY, readOptions, writeBatch);
Contracts = new DataCache<UInt160, ContractState>(db, CONTRACT_FAMILY, readOptions, writeBatch);
Storages = new DataCache<StorageKey, StorageItem>(db, STORAGE_FAMILY, readOptions, writeBatch);
HeaderHashList = new DataCache<UInt32Wrapper, HeaderHashList>(db, HEADER_HASH_LIST_FAMILY, readOptions, writeBatch);
ValidatorsCount = new MetaDataCache<ValidatorsCountState>(db, VALIDATORS_COUNT_KEY, readOptions, writeBatch);
BlockHashIndex = new MetaDataCache<HashIndexState>(db, CURRENT_BLOCK_KEY, readOptions, writeBatch);
HeaderHashIndex = new MetaDataCache<HashIndexState>(db, CURRENT_HEADER_KEY, readOptions, writeBatch);
}
private ReadOptions RocksDbSnapshot() => rocksDbReadOptions.SetSnapshot(database.CreateSnapshot());
