Db

Type Parameters

• TKey extends Uint8Array | string | number = Uint8Array

• TValue extends Uint8Array | string | DbObject = Uint8Array

Methods

batch()

batch(opStack): Promise<void>

Performs a batch operation on db.

Parameters

• opStack: BatchDbOp<TKey, TValue>[]

A stack of levelup operations

Returns

Promise<void>

Defined in

node_modules/.pnpm/@ethereumjs+util@9.1.0/node_modules/@ethereumjs/util/dist/esm/db.d.ts:52

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del()

del(key, opts?): Promise<void>

Removes a raw value in the underlying db.

Parameters

• key: TKey

• opts?: EncodingOpts

Returns

Promise<void>

Defined in

node_modules/.pnpm/@ethereumjs+util@9.1.0/node_modules/@ethereumjs/util/dist/esm/db.d.ts:47

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get()

get(key, opts?): Promise<undefined | TValue>

Retrieves a raw value from db.

Parameters

• key: TKey

• opts?: EncodingOpts

Returns

Promise<undefined | TValue>

A Promise that resolves to Uint8Array if a value is found or undefined if no value is found.

Defined in

node_modules/.pnpm/@ethereumjs+util@9.1.0/node_modules/@ethereumjs/util/dist/esm/db.d.ts:36

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open()

open(): Promise<void>

Opens the database — if applicable

Returns

Promise<void>

Defined in

node_modules/.pnpm/@ethereumjs+util@9.1.0/node_modules/@ethereumjs/util/dist/esm/db.d.ts:61

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put()

put(key, val, opts?): Promise<void>

Writes a value directly to db.

Parameters

• key: TKey

The key as a TValue

• val: TValue

• opts?: EncodingOpts

Returns

Promise<void>

Defined in

node_modules/.pnpm/@ethereumjs+util@9.1.0/node_modules/@ethereumjs/util/dist/esm/db.d.ts:42

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shallowCopy()

shallowCopy(): Db<TKey, TValue>

Returns a copy of the DB instance, with a reference to the same underlying db instance.

Returns

Db<TKey, TValue>

Defined in

node_modules/.pnpm/@ethereumjs+util@9.1.0/node_modules/@ethereumjs/util/dist/esm/db.d.ts:57