@tevm/voltaire / primitives/BeaconBlockRoot

primitives/BeaconBlockRoot

Type Aliases

BeaconBlockRootType

BeaconBlockRootType = Uint8Array & object

Defined in: src/primitives/BeaconBlockRoot/BeaconBlockRootType.ts:13 BeaconBlockRoot type Represents a 32-byte beacon chain block root hash (EIP-4788). Available in the EVM via BLOCKHASH opcode for recent slots.

Type Declaration

[brand]

readonly [brand]: "BeaconBlockRoot"

length

length: 32

See

https://voltaire.tevm.sh/primitives/beacon-block-root for BeaconBlockRoot documentation
https://eips.ethereum.org/EIPS/eip-4788 for EIP-4788 specification

Since

0.0.0

Variables

BeaconBlockRoot

const BeaconBlockRoot: object

Defined in: src/primitives/BeaconBlockRoot/index.ts:12

Type Declaration

equals()

equals: (a, b) => boolean

Check if BeaconBlockRoot values are equal

Parameters

a

BeaconBlockRootType First root

b

BeaconBlockRootType Second root

Returns

boolean true if equal

See

https://voltaire.tevm.sh/primitives/beacon-block-root for BeaconBlockRoot documentation

Since

0.0.0

Throws

Example

import * as BeaconBlockRoot from './primitives/BeaconBlockRoot/index.js';
const a = BeaconBlockRoot.from('0x1234...');
const b = BeaconBlockRoot.from('0x1234...');
const result = BeaconBlockRoot.equals(a, b); // true

from()

from: (value) => BeaconBlockRootType

Create BeaconBlockRoot from string or bytes

Parameters

value

Hex string with optional 0x prefix or Uint8Array string | Uint8Array<ArrayBufferLike>

Returns

BeaconBlockRootType BeaconBlockRoot

See

https://voltaire.tevm.sh/primitives/beacon-block-root for BeaconBlockRoot documentation

Since

0.0.0

Throws

If input is invalid or wrong length

Example

import * as BeaconBlockRoot from './primitives/BeaconBlockRoot/index.js';
const root1 = BeaconBlockRoot.from('0x1234...');
const root2 = BeaconBlockRoot.from(new Uint8Array(32));

fromBytes()

fromBytes: (bytes) => BeaconBlockRootType

Create BeaconBlockRoot from Uint8Array

Parameters

bytes

Uint8Array<ArrayBufferLike> 32-byte Uint8Array

Returns

BeaconBlockRootType BeaconBlockRoot

See

https://voltaire.tevm.sh/primitives/beacon-block-root for BeaconBlockRoot documentation

Since

0.0.0

Throws

If bytes length is not 32

Example

import * as BeaconBlockRoot from './primitives/BeaconBlockRoot/index.js';
const root = BeaconBlockRoot.fromBytes(new Uint8Array(32));

fromHex()

fromHex: (hex) => BeaconBlockRootType

Create BeaconBlockRoot from hex string

Parameters

hex

string Hex string with optional 0x prefix

Returns

BeaconBlockRootType BeaconBlockRoot

See

https://voltaire.tevm.sh/primitives/beacon-block-root for BeaconBlockRoot documentation

Since

0.0.0

Throws

If hex string is invalid or wrong length

Example

import * as BeaconBlockRoot from './primitives/BeaconBlockRoot/index.js';
const root = BeaconBlockRoot.fromHex('0x1234...');

toHex()

toHex: (root) => string

Convert BeaconBlockRoot to hex string

Parameters

root

BeaconBlockRootType BeaconBlockRoot

Returns

string Hex string with 0x prefix

See

https://voltaire.tevm.sh/primitives/beacon-block-root for BeaconBlockRoot documentation

Since

0.0.0

Throws

Example

import * as BeaconBlockRoot from './primitives/BeaconBlockRoot/index.js';
const root = BeaconBlockRoot.from(new Uint8Array(32));
const hex = BeaconBlockRoot.toHex(root); // "0x0000..."

SIZE

const SIZE: 32 = 32

Defined in: src/primitives/BeaconBlockRoot/BeaconBlockRootType.ts:18

Functions

equals()

equals(a, b): boolean

Defined in: src/primitives/BeaconBlockRoot/equals.js:18 Check if BeaconBlockRoot values are equal

Parameters

a

BeaconBlockRootType First root

b

BeaconBlockRootType Second root

Returns

boolean true if equal

See

https://voltaire.tevm.sh/primitives/beacon-block-root for BeaconBlockRoot documentation

Since

0.0.0

Throws

Example

import * as BeaconBlockRoot from './primitives/BeaconBlockRoot/index.js';
const a = BeaconBlockRoot.from('0x1234...');
const b = BeaconBlockRoot.from('0x1234...');
const result = BeaconBlockRoot.equals(a, b); // true

from()

from(value): BeaconBlockRootType

Defined in: src/primitives/BeaconBlockRoot/from.js:19 Create BeaconBlockRoot from string or bytes

Parameters

value

Hex string with optional 0x prefix or Uint8Array string | Uint8Array<ArrayBufferLike>

Returns

BeaconBlockRootType BeaconBlockRoot

See

https://voltaire.tevm.sh/primitives/beacon-block-root for BeaconBlockRoot documentation

Since

0.0.0

Throws

If input is invalid or wrong length

Example

import * as BeaconBlockRoot from './primitives/BeaconBlockRoot/index.js';
const root1 = BeaconBlockRoot.from('0x1234...');
const root2 = BeaconBlockRoot.from(new Uint8Array(32));

fromBytes()

fromBytes(bytes): BeaconBlockRootType

Defined in: src/primitives/BeaconBlockRoot/fromBytes.js:17 Create BeaconBlockRoot from Uint8Array

Parameters

bytes

Uint8Array<ArrayBufferLike> 32-byte Uint8Array

Returns

BeaconBlockRootType BeaconBlockRoot

See

https://voltaire.tevm.sh/primitives/beacon-block-root for BeaconBlockRoot documentation

Since

0.0.0

Throws

If bytes length is not 32

Example

import * as BeaconBlockRoot from './primitives/BeaconBlockRoot/index.js';
const root = BeaconBlockRoot.fromBytes(new Uint8Array(32));

fromHex()

fromHex(hex): BeaconBlockRootType

Defined in: src/primitives/BeaconBlockRoot/fromHex.js:19 Create BeaconBlockRoot from hex string

Parameters

hex

string Hex string with optional 0x prefix

Returns

BeaconBlockRootType BeaconBlockRoot

See

https://voltaire.tevm.sh/primitives/beacon-block-root for BeaconBlockRoot documentation

Since

0.0.0

Throws

If hex string is invalid or wrong length

Example

import * as BeaconBlockRoot from './primitives/BeaconBlockRoot/index.js';
const root = BeaconBlockRoot.fromHex('0x1234...');

toHex()

toHex(root): string

Defined in: src/primitives/BeaconBlockRoot/toHex.js:18 Convert BeaconBlockRoot to hex string

Parameters

root

BeaconBlockRootType BeaconBlockRoot

Returns

string Hex string with 0x prefix

See

https://voltaire.tevm.sh/primitives/beacon-block-root for BeaconBlockRoot documentation

Since

0.0.0

Throws

Example

import * as BeaconBlockRoot from './primitives/BeaconBlockRoot/index.js';
const root = BeaconBlockRoot.from(new Uint8Array(32));
const hex = BeaconBlockRoot.toHex(root); // "0x0000..."

​primitives/BeaconBlockRoot

​Type Aliases

​BeaconBlockRootType

​Type Declaration

[brand]

length

​See

​Since

​Variables

​BeaconBlockRoot

​Type Declaration

equals()

Parameters

a

b

Returns

See

Since

Throws

Example

from()

Parameters

value

Returns

See

Since

Throws

Example

fromBytes()

Parameters

bytes

Returns

See

Since

Throws

Example

fromHex()

Parameters

hex

Returns

See

Since

Throws

Example

toHex()

Parameters

root

Returns

See

Since

Throws

Example

​SIZE

​Functions

​equals()

​Parameters

a

b

​Returns

​See

​Since

​Throws

​Example

​from()

​Parameters

value

​Returns

​See

​Since

​Throws

​Example

​fromBytes()

​Parameters

bytes

​Returns

​See

​Since

​Throws

​Example

​fromHex()

primitives/BeaconBlockRoot

Type Aliases

BeaconBlockRootType

Type Declaration

See

Since

Variables

BeaconBlockRoot

Type Declaration

SIZE

Functions

equals()

Parameters

Returns

See

Since

Throws

Example

from()

Parameters

Returns

See

Since

Throws

Example

fromBytes()

Parameters

Returns

See

Since

Throws

Example

fromHex()

Parameters

Returns

See

Since

Throws

Example

toHex()

Parameters

Returns

See

Since

Throws

Example