Class StateStore

Hierarchy

StateStore

Index

Constructors

Properties

_cache _db _latestSnapshotId _prefix _snapshot

Methods

_ensureCache _getKey createSnapshot del finalize get getStore getWithSchema has iterate iterateWithSchema restoreSnapshot set setWithSchema

Constructors

constructor

new StateStore(db: DatabaseReader, prefix?: Buffer, cache?: CacheDB): StateStore
Parameters
- db: DatabaseReader
- Optional prefix: Buffer
- Optional cache: CacheDB
Returns StateStore
- Defined in elements/lisk-chain/src/state_store/state_store.ts:43

Properties

`Private` _cache

_cache: CacheDB

`Private` `Readonly` _db

_db: DatabaseReader

`Private` _latestSnapshotId

_latestSnapshotId: number

`Private` `Readonly` _prefix

_prefix: Buffer

`Private` _snapshot

_snapshot: undefined | CacheDB

Methods

`Private` _ensureCache

_ensureCache(prefixedKey: Buffer): Promise<boolean>
Parameters
- prefixedKey: Buffer
Returns Promise<boolean>
- Defined in elements/lisk-chain/src/state_store/state_store.ts:254

`Private` _getKey

_getKey(key: Buffer): Buffer
Parameters
- key: Buffer
Returns Buffer
- Defined in elements/lisk-chain/src/state_store/state_store.ts:267

createSnapshot

createSnapshot(): number
Returns number
- Defined in elements/lisk-chain/src/state_store/state_store.ts:225

del

del(key: Buffer): Promise<void>
Parameters
- key: Buffer
Returns Promise<void>
- Defined in elements/lisk-chain/src/state_store/state_store.ts:136

finalize

finalize(batch: DatabaseWriter): StateDiff
Parameters
- batch: DatabaseWriter
Returns StateDiff
- Defined in elements/lisk-chain/src/state_store/state_store.ts:250

get

get(key: Buffer): Promise<Buffer>
Parameters
- key: Buffer
Returns Promise<Buffer>
- Defined in elements/lisk-chain/src/state_store/state_store.ts:69

getStore

getStore(storePrefix: Buffer, subStorePrefix: number | Buffer): StateStore
Parameters
- storePrefix: Buffer
- subStorePrefix: number | Buffer
Returns StateStore
- Defined in elements/lisk-chain/src/state_store/state_store.ts:51

getWithSchema

getWithSchema<T>(key: Buffer, schema: Schema): Promise<T>
Type Parameters
- T
Parameters
- key: Buffer
- schema: Schema
Returns Promise<T>
- Defined in elements/lisk-chain/src/state_store/state_store.ts:91

has

has(key: Buffer): Promise<boolean>
Parameters
- key: Buffer
Returns Promise<boolean>
- Defined in elements/lisk-chain/src/state_store/state_store.ts:96

iterate

iterate(options: IterateOptions): Promise<KeyValue[]>
Parameters
- options: IterateOptions
Returns Promise<KeyValue[]>
- Defined in elements/lisk-chain/src/state_store/state_store.ts:144

iterateWithSchema

iterateWithSchema<T>(options: IterateOptions, schema: Schema): Promise<DecodedKeyValue<T>[]>
Type Parameters
- T
Parameters
- options: IterateOptions
- schema: Schema
Returns Promise<DecodedKeyValue<T>[]>
- Defined in elements/lisk-chain/src/state_store/state_store.ts:213

restoreSnapshot

restoreSnapshot(id: number): void
Parameters
- id: number
Returns void
- Defined in elements/lisk-chain/src/state_store/state_store.ts:237

set

set(key: Buffer, value: Buffer): Promise<void>
Parameters
- key: Buffer
- value: Buffer
Returns Promise<void>
- Defined in elements/lisk-chain/src/state_store/state_store.ts:108

setWithSchema

setWithSchema(key: Buffer, value: object, schema: Schema): Promise<void>
Parameters
- key: Buffer
- value: object
- schema: Schema
Returns Promise<void>
- Defined in elements/lisk-chain/src/state_store/state_store.ts:126

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