ethereumjs-monorepo

@ethereumjs/vm

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@ethereumjs/vm / Bloom

Class: Bloom

Defined in: vm/src/bloom/index.ts:9

2048-bit Ethereum bloom filter used in block headers and transaction receipts.

Constructors

Constructor

new Bloom(bitvector?, common?): Bloom

Defined in: vm/src/bloom/index.ts:16

Represents a Bloom filter.

Parameters

bitvector?

Uint8Array<ArrayBufferLike>

common?

Common

Returns

Bloom

Properties

bitvector

bitvector: Uint8Array

Defined in: vm/src/bloom/index.ts:10

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keccakFunction

keccakFunction: (msg) => Uint8Array

Defined in: vm/src/bloom/index.ts:11

Parameters

msg

Uint8Array

Returns

Uint8Array

Methods

add()

add(e): void

Defined in: vm/src/bloom/index.ts:34

Adds a 20-byte log topic or address entry to the bloom filter.

Parameters

e

Uint8Array

Returns

void

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check()

check(e): boolean

Defined in: vm/src/bloom/index.ts:51

Checks if an element is in the bloom.

Parameters

e

Uint8Array

The element to check

Returns

boolean

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multiCheck()

multiCheck(topics): boolean

Defined in: vm/src/bloom/index.ts:70

Returns true when every topic is present in the bloom.

Parameters

topics

Uint8Array<ArrayBufferLike>[]

Returns

boolean

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or()

or(bloom): void

Defined in: vm/src/bloom/index.ts:77

Bitwise or blooms together.

Parameters

bloom

Bloom

Returns

void