number

Utility methods to convert to and from number values

numberFromBuffer

Creates a Number value from a Buffer object. (alias of bufferToNumber)

numberFromBuffer (value?: Buffer): number

Creates a Number value from a Buffer object. (alias of hexToNumber)

numberFromHex (value?: Hex): number

Creates a Buffer object from a number.

numberToBuffer (value?: number): Buffer

null/undefined/NaN inputs returns an empty Buffer result. number input values return the actual bytes value converted to a Buffer.

import { numberToBuffer } from '@polkadot/util';

const buffer = numberToBuffer(0x1234); // => Buffer.from([0x12, 0x34])

Creates a hex value from a number.

numberToHex (value?: number): string

null/undefined/NaN inputs returns an empty 0x result. number input values return the actual bytes value converted to a hex.

import { numberToHex } from '@polkadot/util';

const hex = numberToHex(0x1234); // => '0x1234'