Installation

``
npm install uint128
`

Usage

`js
const { Int128, UInt128 } = require('uint128');

const encodedUInt128 = UInt128.encodeBE(1000000000000000000000000000000n);
console.log(encodedUInt128, UInt128.decodeBE(encodedUInt128))

const encodedInt128 = Int128.encodeBE(-1000000000000000000000000000000n);
console.log(encodedInt128, Int128.decodeBE(encodedInt128))
``

Classes

Int128

$3

Encodes a 128 bit integer as Big Endian Buffer.

| Param | Type | Description |
| ------ | ------------------- | ----------------- |
| int | BigInt | Integer to encode |

$3

Decodes a Big Endian Buffer into a 128 bit integer

| Param | Type | Description |
| ------ | -------------------- | ------------------- |
| buffer | Buffer | Buffer to decode |
| offset | Integer | Offset to decode at |

$3

Encodes a 128 bit integer as Little Endian Buffer.

| Param | Type | Description |
| ------ | ------------------- | ----------------- |
| int | BigInt | Integer to encode |

$3

Decodes a Little Endian Buffer into a 128 bit integer

| Param | Type | Description |
| ------ | -------------------- | ------------------- |
| buffer | Buffer | Buffer to decode |
| offset | Integer | Offset to decode at |

UInt128

$3

Encodes a 128 bit unsigned integer as Big Endian Buffer.

| Param | Type | Description |
| ------ | ------------------- | ----------------- |
| int | BigInt | Integer to encode |

$3

Decodes a Big Endian Buffer into a 128 bit unsigned integer

| Param | Type | Description |
| ------ | -------------------- | ------------------- |
| buffer | Buffer | Buffer to decode |
| offset | Integer | Offset to decode at |

$3

Encodes a 128 bit unsigned integer as Little Endian Buffer.

| Param | Type | Description |
| ------ | ------------------- | ----------------- |
| int | BigInt | Integer to encode |

$3

Decodes a Little Endian Buffer into a 128 bit unsigned integer

| Param | Type | Description |
| ------ | -------------------- | ------------------- |
| buffer | Buffer | Buffer to decode |
| offset | Integer | Offset to decode at |