Class LevelStore<V>

Store based on leveldb

LevelStore

Implements

Type Parameters

Implements

Store<V>

Constructors

constructor

new LevelStore<V>(db, eltTyp, smtName): LevelStore<V>
Creates an instance of LevelStore.
Type Parameters
- V
Parameters
- db: Level<string, any>
- eltTyp: Provable<V>
- smtName: string
Returns LevelStore<V>
Memberof
LevelStore
- 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<void>
{Promise}

Memberof
LevelStore
Implementation of Store.clear
- Defined in src/lib/store/level_store.ts:224

clearPrepareOperationCache

clearPrepareOperationCache(): void
Clear all prepare operation cache.

Returns void
Memberof
LevelStore
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<void>
{Promise}

Memberof
LevelStore
Implementation of Store.commit
- Defined in src/lib/store/level_store.ts:210

getNodes

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

Memberof
LevelStore
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<Field>
{Promise}

Memberof
LevelStore
Implementation of Store.getRoot
- Defined in src/lib/store/level_store.ts:70

getValue

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

Memberof
LevelStore
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>>
{Promise<Map<string, V>>}

Memberof
LevelStore
Implementation of Store.getValuesMap
- Defined in src/lib/store/level_store.ts:235

prepareDelNodes

prepareDelNodes(key): void
Prepare delete nodes for a key. Use the commit() method to actually submit changes.
Parameters
- key: Field
Returns void
Memberof
LevelStore
Implementation of Store.prepareDelNodes
- Defined in src/lib/store/level_store.ts:124

prepareDelValue

prepareDelValue(path): void
Prepare delete the value for a key. Use the commit() method to actually submit changes.
Parameters
- path: Field
Returns void
Memberof
LevelStore
Implementation of Store.prepareDelValue
- Defined in src/lib/store/level_store.ts:196

preparePutNodes

preparePutNodes(key, value): void
Prepare put nodes for a key. Use the commit() method to actually submit changes.
Parameters
- key: Field
- value: Field[]
Returns void
Memberof
LevelStore
Implementation of Store.preparePutNodes
- Defined in src/lib/store/level_store.ts:109

preparePutValue

preparePutValue(path, value): void
Prepare put the value for a key. Use the commit() method to actually submit changes.
Parameters
- path: Field
- value: V
Returns void
Memberof
LevelStore
Implementation of Store.preparePutValue
- Defined in src/lib/store/level_store.ts:180

prepareUpdateRoot

prepareUpdateRoot(root): void
Prepare update the root. Use the commit() method to actually submit changes.
Parameters
- root: Field
Returns void
Memberof
LevelStore
Implementation of Store.prepareUpdateRoot
- Defined in src/lib/store/level_store.ts:81

`Protected` strToValue

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

Memberof
LevelStore
- Defined in src/lib/store/level_store.ts:141

`Protected` valueToStr

valueToStr(value): string
Protected
Serialize the value of the FieldElements type into a string
Parameters
- value: V
Returns string
{string}

Memberof
LevelStore
- Defined in src/lib/store/level_store.ts:167

Class LevelStore<V>

Implements

Type Parameters

Implements

Index

Constructors

Properties

Methods

Constructors

constructor

Type Parameters

Parameters

Returns LevelStore<V>

Memberof

Properties

Protected db

Protected eltTyp

Protected leavesSubLevel

Protected nodesSubLevel

Protected operationCache

Methods

clear

Returns Promise<void>

Memberof

clearPrepareOperationCache

Returns void

Memberof

commit

Returns Promise<void>

Memberof

getNodes

Parameters

Returns Promise<Field[]>

Memberof

getRoot

Returns Promise<Field>

Memberof

getValue

Parameters

Returns Promise<V>

Memberof

getValuesMap

Returns Promise<Map<string, V>>

Memberof

prepareDelNodes

Parameters

Returns void

Memberof

prepareDelValue

Parameters

Returns void

Memberof

preparePutNodes

Parameters

Returns void

Memberof

preparePutValue

Parameters

Returns void

Memberof

prepareUpdateRoot

Parameters

Returns void

Memberof

Protected strToValue

Parameters

Returns V

Memberof

Protected valueToStr

Parameters

Returns string

Memberof

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`Protected` db

`Protected` eltTyp

`Protected` leavesSubLevel

`Protected` nodesSubLevel

`Protected` operationCache

`Protected` strToValue

`Protected` valueToStr