Class LevelStore<V>

Store based on leveldb

Implements

Type Parameters

Hierarchy

LevelStore

Implements

Store<V>

Index

Constructors

constructor

new LevelStore<V>(db: Level<string, any>, eltTyp: Provable<V>, smtName: string): LevelStore<V>
Creates an instance of LevelStore.

Memberof
LevelStore
Type Parameters
- V
Parameters
- db: Level<string, any>
- eltTyp: Provable<V>
- smtName: string
Returns LevelStore<V>
- Defined in src/lib/store/level_store.ts:47

Properties

`Protected` db

db: Level<string, any>

`Protected` eltTyp

eltTyp: Provable<V>

`Protected` leavesSubLevel

leavesSubLevel: AbstractSublevel<Level<string, any>, string | Buffer | Uint8Array, string, string>

`Protected` nodesSubLevel

nodesSubLevel: AbstractSublevel<Level<string, any>, string | Buffer | Uint8Array, string, string>

`Protected` operationCache

operationCache: (AbstractBatchPutOperation<Level<string, any>, string, any> | AbstractBatchDelOperation<Level<string, any>, string>)[]

Methods

clear

clear(): Promise<void>
Clear the store.

Returns
{Promise}

Memberof
LevelStore

Returns Promise<void>
Implementation of Store.clear
- Defined in src/lib/store/level_store.ts:224

clearPrepareOperationCache

clearPrepareOperationCache(): void
Clear all prepare operation cache.

Memberof
LevelStore

Returns void
Implementation of Store.clearPrepareOperationCache
- Defined in src/lib/store/level_store.ts:60

commit

commit(): Promise<void>
Use the commit() method to actually submit all prepare changes.

Returns
{Promise}

Memberof
LevelStore

Returns Promise<void>
Implementation of Store.commit
- Defined in src/lib/store/level_store.ts:210

getNodes

getNodes(key: Field): Promise<Field[]>
Get nodes for a key. Error is thrown when a key that does not exist is being accessed.

Returns
{Promise<Field[]>}

Memberof
LevelStore
Parameters
- key: Field
Returns Promise<Field[]>
Implementation of Store.getNodes
- Defined in src/lib/store/level_store.ts:97

getRoot

getRoot(): Promise<Field>
Get the tree root. Error is thrown when the root does not exist.

Returns
{Promise}

Memberof
LevelStore

Returns Promise<Field>
Implementation of Store.getRoot
- Defined in src/lib/store/level_store.ts:70

getValue

getValue(path: Field): Promise<V>
Get the value for a key. Error is thrown when a key that does not exist is being accessed.

Returns
{Promise}

Memberof
LevelStore
Parameters
- path: Field
Returns Promise<V>
Implementation of Store.getValue
- Defined in src/lib/store/level_store.ts:153

getValuesMap

getValuesMap(): Promise<Map<string, V>>
Get values map, key is Field.toString().

Returns
{Promise<Map<string, V>>}

Memberof
LevelStore

Returns Promise<Map<string, V>>
Implementation of Store.getValuesMap
- Defined in src/lib/store/level_store.ts:235

prepareDelNodes

prepareDelNodes(key: Field): void
Prepare delete nodes for a key. Use the commit() method to actually submit changes.

Memberof
LevelStore
Parameters
- key: Field
Returns void
Implementation of Store.prepareDelNodes
- Defined in src/lib/store/level_store.ts:124

prepareDelValue

prepareDelValue(path: Field): void
Prepare delete the value for a key. Use the commit() method to actually submit changes.

Memberof
LevelStore
Parameters
- path: Field
Returns void
Implementation of Store.prepareDelValue
- Defined in src/lib/store/level_store.ts:196

preparePutNodes

preparePutNodes(key: Field, value: Field[]): void
Prepare put nodes for a key. Use the commit() method to actually submit changes.

Memberof
LevelStore
Parameters
- key: Field
- value: Field[]
Returns void
Implementation of Store.preparePutNodes
- Defined in src/lib/store/level_store.ts:109

preparePutValue

preparePutValue(path: Field, value: V): void
Prepare put the value for a key. Use the commit() method to actually submit changes.

Memberof
LevelStore
Parameters
- path: Field
- value: V
Returns void
Implementation of Store.preparePutValue
- Defined in src/lib/store/level_store.ts:180

prepareUpdateRoot

prepareUpdateRoot(root: Field): void
Prepare update the root. Use the commit() method to actually submit changes.

Memberof
LevelStore
Parameters
- root: Field
Returns void
Implementation of Store.prepareUpdateRoot
- Defined in src/lib/store/level_store.ts:81

`Protected` strToValue

strToValue(valueStr: string, eltTyp: Provable<V>): V
Protected
Convert value string to a value of FieldElements type.

Returns
{V}

Memberof
LevelStore
Parameters
- valueStr: string
- eltTyp: Provable<V>
Returns V
- Defined in src/lib/store/level_store.ts:141

`Protected` valueToStr

valueToStr(value: V): string
Protected
Serialize the value of the FieldElements type into a string

Returns
{string}

Memberof
LevelStore
Parameters
- value: V
Returns string
- Defined in src/lib/store/level_store.ts:167

Class LevelStore<V>

Implements

Type Parameters

V

Hierarchy

Implements

Index

Constructors

Properties

Methods

Constructors

constructor

Memberof

Type Parameters

V

Parameters

db: Level<string, any>

eltTyp: Provable<V>

smtName: string

Returns LevelStore<V>

Properties

Protected db

Protected eltTyp

Protected leavesSubLevel

Protected nodesSubLevel

Protected operationCache

Methods

clear

Returns

Memberof

Returns Promise<void>

clearPrepareOperationCache

Memberof

Returns void

commit

Returns

Memberof

Returns Promise<void>

getNodes

Returns

Memberof

Parameters

key: Field

Returns Promise<Field[]>

getRoot

Returns

Memberof

Returns Promise<Field>

getValue

Returns

Memberof

Parameters

path: Field

Returns Promise<V>

getValuesMap

Returns

Memberof

Returns Promise<Map<string, V>>

prepareDelNodes

Memberof

Parameters

key: Field

Returns void

prepareDelValue

Memberof

Parameters

path: Field

Returns void

preparePutNodes

Memberof

Parameters

key: Field

value: Field[]

Returns void

preparePutValue

Memberof

Parameters

path: Field

value: V

Returns void

`Protected` db

`Protected` eltTyp

`Protected` leavesSubLevel

`Protected` nodesSubLevel

`Protected` operationCache

`Protected` strToValue

`Protected` valueToStr