Bloom
A simple Bloom filter implementation originally from ethereumjs
Constructors
new Bloom()
new Bloom(
bitvector?):Bloom
Represents a Bloom filter.
Parameters
• bitvector?: Uint8Array
Returns
Throws
If the byte size of the bitvector is not 256.
Source
packages/utils/src/Bloom.ts:21
Properties
bitvector
bitvector:
Uint8Array
Source
packages/utils/src/Bloom.ts:15
Methods
add()
add(
e):void
Adds an element to a bit vector of a 64 byte bloom filter.
Parameters
• e: Uint8Array
The element to add
Returns
void
Throws
Source
packages/utils/src/Bloom.ts:35
check()
check(
e):boolean
Checks if an element is in the bloom.
Parameters
• e: Uint8Array
The element to check
Returns
boolean
Throws
Source
packages/utils/src/Bloom.ts:53
multiCheck()
multiCheck(
topics):boolean
Checks if multiple topics are in a bloom.
Parameters
• topics: Uint8Array[]
Returns
boolean
true if every topic is in the bloom
Throws
Source
packages/utils/src/Bloom.ts:78
or()
or(
bloom):void
Bitwise or blooms together.
Parameters
• bloom: Bloom
Returns
void
Throws
Source
packages/utils/src/Bloom.ts:86