@tevm/voltaire

@tevm/voltaire / index / BrandedBytes

BrandedBytes

Classes

InvalidBytesFormatError

Defined in: src/primitives/Bytes/errors.js:13

Extends

Error

Constructors

Constructor

new InvalidBytesFormatError(message, details?): InvalidBytesFormatError

Defined in: src/primitives/Bytes/errors.js:18

Parameters

message

string

details?

any

Returns

InvalidBytesFormatError

Overrides

Error.constructor

Properties

details

details: any

Defined in: src/primitives/Bytes/errors.js:21

name

name: string

Defined in: src/primitives/Bytes/errors.js:20

Inherited from

Error.name

InvalidBytesLengthError

Defined in: src/primitives/Bytes/errors.js:1

Extends

Error

Constructors

Constructor

new InvalidBytesLengthError(message, details?): InvalidBytesLengthError

Defined in: src/primitives/Bytes/errors.js:6

Parameters

message

string

details?

any

Returns

InvalidBytesLengthError

Overrides

Error.constructor

Properties

details

details: any

Defined in: src/primitives/Bytes/errors.js:9

name

name: string

Defined in: src/primitives/Bytes/errors.js:8

Inherited from

Error.name

InvalidValueError

Defined in: src/primitives/Bytes/errors.js:25

Extends

Error

Constructors

Constructor

new InvalidValueError(message, details?): InvalidValueError

Defined in: src/primitives/Bytes/errors.js:30

Parameters

message

string

details?

any

Returns

InvalidValueError

Overrides

Error.constructor

Properties

details

details: any

Defined in: src/primitives/Bytes/errors.js:33

name

name: string

Defined in: src/primitives/Bytes/errors.js:32

Inherited from

Error.name

Variables

BytesType

const BytesType: object

Defined in: src/primitives/Bytes/Bytes.index.ts:59

Type Declaration

assert()

assert: (value) => BytesType

Assert that value is valid Bytes, throw if not

Parameters

value

unknown Value to check

Returns

BytesType The validated bytes

Throws

If value is not valid Bytes

Example

import * as Bytes from './primitives/Bytes/index.js';
const bytes = Bytes.assert(new Uint8Array([1, 2, 3])); // returns bytes
Bytes.assert("not bytes"); // throws Error

clone()

clone: (bytes) => BytesType

Clone Bytes

Parameters

bytes

BytesType Bytes to clone

Returns

BytesType Cloned Bytes

Example

const copy = Bytes.clone(bytes);

compare()

compare: (a, b) => number

Compare two Bytes (lexicographic)

Parameters

a

BytesType First Bytes

b

BytesType Second Bytes

Returns

number -1 if a < b, 0 if equal, 1 if a > b

Example

const cmp = Bytes.compare(bytes1, bytes2);

concat()

concat: (…arrays) => BytesType

Concatenate multiple Bytes

Parameters

arrays

…BytesType[] Bytes to concatenate

Returns

BytesType Concatenated Bytes

Example

const result = Bytes.concat(bytes1, bytes2, bytes3);

equals()

equals: (a, b) => boolean

Check if two Bytes are equal

Parameters

a

BytesType First Bytes

b

BytesType Second Bytes

Returns

boolean True if equal

Example

const equal = Bytes.equals(bytes1, bytes2);

from()

from: (value) => BytesType

Create Bytes from various input types (universal constructor)

Parameters

value

Uint8Array, hex string, UTF-8 string, or number array string | Uint8Array<ArrayBufferLike> | number[]

Returns

BytesType Bytes

Throws

If value type is unsupported or invalid

Example

const b1 = Bytes.from(new Uint8Array([0x01, 0x02]));
const b2 = Bytes.from("0x1234");
const b3 = Bytes.from("hello");
const b4 = Bytes.from([0x01, 0x02, 0x03]);

fromBigInt()

fromBigInt: (value, size?) => BytesType

Convert bigint to Bytes

Parameters

value

bigint BigInt to convert (must be non-negative)

size?

number Optional byte size (pads or throws if too small)

Returns

BytesType Bytes

Throws

If value is negative or doesn’t fit in size

Example

import * as Bytes from './primitives/Bytes/index.js';
Bytes.fromBigInt(255n);      // Uint8Array([0xff])
Bytes.fromBigInt(255n, 2);   // Uint8Array([0x00, 0xff])
Bytes.fromBigInt(0x1234n);   // Uint8Array([0x12, 0x34])

fromHex()

fromHex: (hex) => BytesType

Create Bytes from hex string

Parameters

hex

string Hex string with 0x prefix

Returns

BytesType Bytes

Throws

If hex string is invalid

Example

const bytes = Bytes.fromHex("0x1234");
// Uint8Array([0x12, 0x34])

fromNumber()

fromNumber: (value, size?) => BytesType

Convert number to Bytes

Parameters

value

number Number to convert (must be safe integer, non-negative)

size?

number Optional byte size (pads or throws if too small)

Returns

BytesType Bytes

Throws

If value is negative, not an integer, or exceeds MAX_SAFE_INTEGER

Example

import * as Bytes from './primitives/Bytes/index.js';
Bytes.fromNumber(255);     // Uint8Array([0xff])
Bytes.fromNumber(255, 2);  // Uint8Array([0x00, 0xff])
Bytes.fromNumber(0x1234);  // Uint8Array([0x12, 0x34])

fromString()

fromString: (str) => BytesType

Create Bytes from UTF-8 string

Parameters

str

string UTF-8 string

Returns

BytesType Bytes

Example

const bytes = Bytes.fromString("hello");
// Uint8Array([0x68, 0x65, 0x6c, 0x6c, 0x6f])

isBytes()

isBytes: (value) => value is BytesType

Check if value is a valid Bytes (Uint8Array)

Parameters

value

unknown Value to check

Returns

value is BytesType True if value is Uint8Array

Example

import * as Bytes from './primitives/Bytes/index.js';
Bytes.isBytes(new Uint8Array([1, 2, 3])); // true
Bytes.isBytes([1, 2, 3]);                  // false
Bytes.isBytes("0x1234");                   // false

isEmpty()

isEmpty: (bytes) => boolean

Check if Bytes is empty

Parameters

bytes

BytesType Bytes to check

Returns

boolean True if empty

Example

const empty = Bytes.isEmpty(bytes);

padLeft()

padLeft: (bytes, targetSize) => BytesType

Pad Bytes on the left (start) with zeros to target size

Parameters

bytes

BytesType Bytes to pad

targetSize

number Target size in bytes

Returns

BytesType Padded bytes

Throws

If bytes exceeds target size

Example

import * as Bytes from './primitives/Bytes/index.js';
Bytes.padLeft(new Uint8Array([0x12, 0x34]), 4); // Uint8Array([0x00, 0x00, 0x12, 0x34])

padRight()

padRight: (bytes, targetSize) => BytesType

Pad Bytes on the right (end) with zeros to target size

Parameters

bytes

BytesType Bytes to pad

targetSize

number Target size in bytes

Returns

BytesType Padded bytes

Throws

If bytes exceeds target size

Example

import * as Bytes from './primitives/Bytes/index.js';
Bytes.padRight(new Uint8Array([0x12, 0x34]), 4); // Uint8Array([0x12, 0x34, 0x00, 0x00])

random()

random: (size) => BytesType

Generate random Bytes of specified size

Parameters

size

number Number of random bytes to generate

Returns

BytesType Random bytes

Example

import * as Bytes from './primitives/Bytes/index.js';
const random32 = Bytes.random(32); // 32 random bytes
const random16 = Bytes.random(16); // 16 random bytes

size()

size: (bytes) => number

Get size of Bytes

Parameters

bytes

BytesType Bytes

Returns

number Size in bytes

Example

const size = Bytes.size(bytes);

slice()

slice: (bytes, start, end?) => BytesType

Slice Bytes

Parameters

bytes

BytesType Bytes to slice

start

number Start index

end?

number End index (optional)

Returns

BytesType Sliced Bytes

Example

const slice = Bytes.slice(bytes, 0, 4);

toBigInt()

toBigInt: (bytes) => bigint

Convert Bytes to bigint

Parameters

bytes

BytesType Bytes to convert

Returns

bigint BigInt value

Example

import * as Bytes from './primitives/Bytes/index.js';
Bytes.toBigInt(new Uint8Array([0xff]));       // 255n
Bytes.toBigInt(new Uint8Array([0x12, 0x34])); // 4660n

toHex()

toHex: (bytes) => HexType

Convert Bytes to hex string

Parameters

bytes

BytesType Bytes to convert

Returns

HexType Hex string with 0x prefix

Example

const hex = Bytes.toHex(bytes);
// "0x1234"

toNumber()

toNumber: (bytes) => number

Convert Bytes to number

Parameters

bytes

BytesType Bytes to convert

Returns

number Number value

Throws

If value exceeds MAX_SAFE_INTEGER

Example

import * as Bytes from './primitives/Bytes/index.js';
Bytes.toNumber(new Uint8Array([0xff]));       // 255
Bytes.toNumber(new Uint8Array([0x12, 0x34])); // 4660

toString()

toString: (bytes) => string

Convert Bytes to UTF-8 string

Parameters

bytes

BytesType Bytes to convert

Returns

string UTF-8 string

Example

const str = Bytes.toString(bytes);
// "hello"

trimLeft()

trimLeft: (bytes) => BytesType

Trim leading zeros from Bytes

Parameters

bytes

BytesType Bytes to trim

Returns

BytesType Trimmed bytes

Example

import * as Bytes from './primitives/Bytes/index.js';
Bytes.trimLeft(new Uint8Array([0x00, 0x00, 0x12, 0x34])); // Uint8Array([0x12, 0x34])
Bytes.trimLeft(new Uint8Array([0x00, 0x00, 0x00]));       // Uint8Array([])

trimRight()

trimRight: (bytes) => BytesType

Trim trailing zeros from Bytes

Parameters

bytes

BytesType Bytes to trim

Returns

BytesType Trimmed bytes

Example

import * as Bytes from './primitives/Bytes/index.js';
Bytes.trimRight(new Uint8Array([0x12, 0x34, 0x00, 0x00])); // Uint8Array([0x12, 0x34])
Bytes.trimRight(new Uint8Array([0x00, 0x00, 0x00]));       // Uint8Array([])

zero()

zero: (size) => BytesType

Create zero Bytes of specified size

Parameters

size

number Size in bytes

Returns

BytesType Zero Bytes

Example

const zeros = Bytes.zero(32);

Functions

assert()

assert(value): BytesType

Defined in: src/primitives/Bytes/assert.js:17 Assert that value is valid Bytes, throw if not

Parameters

value

unknown Value to check

Returns

BytesType The validated bytes

Throws

If value is not valid Bytes

Example

import * as Bytes from './primitives/Bytes/index.js';
const bytes = Bytes.assert(new Uint8Array([1, 2, 3])); // returns bytes
Bytes.assert("not bytes"); // throws Error

clone()

clone(bytes): BytesType

Defined in: src/primitives/Bytes/clone.js:12 Clone Bytes

Parameters

bytes

BytesType Bytes to clone

Returns

BytesType Cloned Bytes

Example

const copy = Bytes.clone(bytes);

compare()

compare(a, b): number

Defined in: src/primitives/Bytes/compare.js:13 Compare two Bytes (lexicographic)

Parameters

a

BytesType First Bytes

b

BytesType Second Bytes

Returns

number -1 if a < b, 0 if equal, 1 if a > b

Example

const cmp = Bytes.compare(bytes1, bytes2);

concat()

concat(…arrays): BytesType

Defined in: src/primitives/Bytes/concat.js:12 Concatenate multiple Bytes

Parameters

arrays

…BytesType[] Bytes to concatenate

Returns

BytesType Concatenated Bytes

Example

const result = Bytes.concat(bytes1, bytes2, bytes3);

equals()

equals(a, b): boolean

Defined in: src/primitives/Bytes/equals.js:13 Check if two Bytes are equal

Parameters

a

BytesType First Bytes

b

BytesType Second Bytes

Returns

boolean True if equal

Example

const equal = Bytes.equals(bytes1, bytes2);

from()

from(value): BytesType

Defined in: src/primitives/Bytes/from.js:20 Create Bytes from various input types (universal constructor)

Parameters

value

Uint8Array, hex string, UTF-8 string, or number array string | Uint8Array<ArrayBufferLike> | number[]

Returns

BytesType Bytes

Throws

If value type is unsupported or invalid

Example

const b1 = Bytes.from(new Uint8Array([0x01, 0x02]));
const b2 = Bytes.from("0x1234");
const b3 = Bytes.from("hello");
const b4 = Bytes.from([0x01, 0x02, 0x03]);

fromBigInt()

fromBigInt(value, size?): BytesType

Defined in: src/primitives/Bytes/fromBigInt.js:17 Convert bigint to Bytes

Parameters

value

bigint BigInt to convert (must be non-negative)

size?

number Optional byte size (pads or throws if too small)

Returns

BytesType Bytes

Throws

If value is negative or doesn’t fit in size

Example

import * as Bytes from './primitives/Bytes/index.js';
Bytes.fromBigInt(255n);      // Uint8Array([0xff])
Bytes.fromBigInt(255n, 2);   // Uint8Array([0x00, 0xff])
Bytes.fromBigInt(0x1234n);   // Uint8Array([0x12, 0x34])

fromHex()

fromHex(hex): BytesType

Defined in: src/primitives/Bytes/fromHex.js:16 Create Bytes from hex string

Parameters

hex

string Hex string with 0x prefix

Returns

BytesType Bytes

Throws

If hex string is invalid

Example

const bytes = Bytes.fromHex("0x1234");
// Uint8Array([0x12, 0x34])

fromNumber()

fromNumber(value, size?): BytesType

Defined in: src/primitives/Bytes/fromNumber.js:17 Convert number to Bytes

Parameters

value

number Number to convert (must be safe integer, non-negative)

size?

number Optional byte size (pads or throws if too small)

Returns

BytesType Bytes

Throws

If value is negative, not an integer, or exceeds MAX_SAFE_INTEGER

Example

import * as Bytes from './primitives/Bytes/index.js';
Bytes.fromNumber(255);     // Uint8Array([0xff])
Bytes.fromNumber(255, 2);  // Uint8Array([0x00, 0xff])
Bytes.fromNumber(0x1234);  // Uint8Array([0x12, 0x34])

fromString()

fromString(str): BytesType

Defined in: src/primitives/Bytes/fromString.js:13 Create Bytes from UTF-8 string

Parameters

str

string UTF-8 string

Returns

BytesType Bytes

Example

const bytes = Bytes.fromString("hello");
// Uint8Array([0x68, 0x65, 0x6c, 0x6c, 0x6f])

isBytes()

isBytes(value): value is BytesType

Defined in: src/primitives/Bytes/isBytes.js:15 Check if value is a valid Bytes (Uint8Array)

Parameters

value

unknown Value to check

Returns

value is BytesType True if value is Uint8Array

Example

import * as Bytes from './primitives/Bytes/index.js';
Bytes.isBytes(new Uint8Array([1, 2, 3])); // true
Bytes.isBytes([1, 2, 3]);                  // false
Bytes.isBytes("0x1234");                   // false

isEmpty()

isEmpty(bytes): boolean

Defined in: src/primitives/Bytes/isEmpty.js:12 Check if Bytes is empty

Parameters

bytes

BytesType Bytes to check

Returns

boolean True if empty

Example

const empty = Bytes.isEmpty(bytes);

padLeft()

padLeft(bytes, targetSize): BytesType

Defined in: src/primitives/Bytes/padLeft.js:15 Pad Bytes on the left (start) with zeros to target size

Parameters

bytes

BytesType Bytes to pad

targetSize

number Target size in bytes

Returns

BytesType Padded bytes

Throws

If bytes exceeds target size

Example

import * as Bytes from './primitives/Bytes/index.js';
Bytes.padLeft(new Uint8Array([0x12, 0x34]), 4); // Uint8Array([0x00, 0x00, 0x12, 0x34])

padRight()

padRight(bytes, targetSize): BytesType

Defined in: src/primitives/Bytes/padRight.js:15 Pad Bytes on the right (end) with zeros to target size

Parameters

bytes

BytesType Bytes to pad

targetSize

number Target size in bytes

Returns

BytesType Padded bytes

Throws

If bytes exceeds target size

Example

import * as Bytes from './primitives/Bytes/index.js';
Bytes.padRight(new Uint8Array([0x12, 0x34]), 4); // Uint8Array([0x12, 0x34, 0x00, 0x00])

random()

random(size): BytesType

Defined in: src/primitives/Bytes/random.js:14 Generate random Bytes of specified size

Parameters

size

number Number of random bytes to generate

Returns

BytesType Random bytes

Example

import * as Bytes from './primitives/Bytes/index.js';
const random32 = Bytes.random(32); // 32 random bytes
const random16 = Bytes.random(16); // 16 random bytes

size()

size(bytes): number

Defined in: src/primitives/Bytes/size.js:12 Get size of Bytes

Parameters

bytes

BytesType Bytes

Returns

number Size in bytes

Example

const size = Bytes.size(bytes);

slice()

slice(bytes, start, end?): BytesType

Defined in: src/primitives/Bytes/slice.js:14 Slice Bytes

Parameters

bytes

BytesType Bytes to slice

start

number Start index

end?

number End index (optional)

Returns

BytesType Sliced Bytes

Example

const slice = Bytes.slice(bytes, 0, 4);

toBigInt()

toBigInt(bytes): bigint

Defined in: src/primitives/Bytes/toBigInt.js:14 Convert Bytes to bigint

Parameters

bytes

BytesType Bytes to convert

Returns

bigint BigInt value

Example

import * as Bytes from './primitives/Bytes/index.js';
Bytes.toBigInt(new Uint8Array([0xff]));       // 255n
Bytes.toBigInt(new Uint8Array([0x12, 0x34])); // 4660n

toHex()

toHex(bytes): HexType

Defined in: src/primitives/Bytes/toHex.js:13 Convert Bytes to hex string

Parameters

bytes

BytesType Bytes to convert

Returns

HexType Hex string with 0x prefix

Example

const hex = Bytes.toHex(bytes);
// "0x1234"

toNumber()

toNumber(bytes): number

Defined in: src/primitives/Bytes/toNumber.js:15 Convert Bytes to number

Parameters

bytes

BytesType Bytes to convert

Returns

number Number value

Throws

If value exceeds MAX_SAFE_INTEGER

Example

import * as Bytes from './primitives/Bytes/index.js';
Bytes.toNumber(new Uint8Array([0xff]));       // 255
Bytes.toNumber(new Uint8Array([0x12, 0x34])); // 4660

toString()

toString(bytes): string

Defined in: src/primitives/Bytes/toString.js:14 Convert Bytes to UTF-8 string

Parameters

bytes

BytesType Bytes to convert

Returns

string UTF-8 string

Example

const str = Bytes.toString(bytes);
// "hello"

trimLeft()

trimLeft(bytes): BytesType

Defined in: src/primitives/Bytes/trimLeft.js:14 Trim leading zeros from Bytes

Parameters

bytes

BytesType Bytes to trim

Returns

BytesType Trimmed bytes

Example

import * as Bytes from './primitives/Bytes/index.js';
Bytes.trimLeft(new Uint8Array([0x00, 0x00, 0x12, 0x34])); // Uint8Array([0x12, 0x34])
Bytes.trimLeft(new Uint8Array([0x00, 0x00, 0x00]));       // Uint8Array([])

trimRight()

trimRight(bytes): BytesType

Defined in: src/primitives/Bytes/trimRight.js:14 Trim trailing zeros from Bytes

Parameters

bytes

BytesType Bytes to trim

Returns

BytesType Trimmed bytes

Example

import * as Bytes from './primitives/Bytes/index.js';
Bytes.trimRight(new Uint8Array([0x12, 0x34, 0x00, 0x00])); // Uint8Array([0x12, 0x34])
Bytes.trimRight(new Uint8Array([0x00, 0x00, 0x00]));       // Uint8Array([])

zero()

zero(size): BytesType

Defined in: src/primitives/Bytes/zero.js:12 Create zero Bytes of specified size

Parameters

size

number Size in bytes

Returns

BytesType Zero Bytes

Example

const zeros = Bytes.zero(32);

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​BrandedBytes

​Classes

​InvalidBytesFormatError

​Extends

​Constructors

Constructor

Parameters

message

details?

Returns

Overrides

​Properties

details

name

Inherited from

​InvalidBytesLengthError

​Extends

​Constructors

Constructor

Parameters

message

details?

Returns

Overrides

​Properties

details

name

Inherited from

​InvalidValueError

​Extends

​Constructors

Constructor

Parameters

message

details?

Returns

Overrides

​Properties

details

name

Inherited from

​Variables

​BytesType

​Type Declaration

assert()

Parameters

value

Returns

Throws

Example

clone()

Parameters

bytes

Returns

Example

compare()

Parameters

a

b

Returns

Example

concat()

Parameters

arrays

BrandedBytes

Classes

InvalidBytesFormatError

Extends

Constructors

Properties

InvalidBytesLengthError

Extends

Constructors

Properties

InvalidValueError

Extends

Constructors

Properties

Variables

BytesType

Type Declaration