Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | 33x 33x 33x 33x 9003x 431x 8572x 5524x 3048x 3048x 8995x 8995x 8290x 1045x 7245x 2x 5x 50x 36x 14x 4x 2390x 626x 8x 186x 17x 3x | import { Binary, Types } from 'cafe-utility'
const DECODER = new TextDecoder()
const ENCODER = new TextEncoder()
export class Bytes {
protected readonly bytes: Uint8Array
public readonly length: number
constructor(bytes: Uint8Array | ArrayBuffer | string | Bytes, byteLength?: number | number[]) {
if (bytes instanceof Bytes) {
this.bytes = bytes.bytes
} else if (typeof bytes === 'string') {
this.bytes = Binary.hexToUint8Array(Types.asHexString(bytes, { name: 'Bytes#constructor(bytes)' }))
} else Iif (bytes instanceof ArrayBuffer) {
this.bytes = new Uint8Array(bytes)
} else {
this.bytes = bytes
}
this.length = this.bytes.length
if (byteLength) {
if (Array.isArray(byteLength)) {
Iif (!byteLength.includes(this.length)) {
throw new Error(
`Bytes#checkByteLength: bytes length is ${this.length} but expected ${byteLength.join(' or ')}`,
)
}
} else Iif (this.length !== byteLength) {
throw new Error(`Bytes#checkByteLength: bytes length is ${this.length} but expected ${byteLength}`)
}
}
}
static keccak256(bytes: Uint8Array | ArrayBuffer | string | Bytes): Bytes {
return new Bytes(Binary.keccak256(new Bytes(bytes).toUint8Array()))
}
static fromUtf8(utf8: string): Bytes {
return new Bytes(ENCODER.encode(utf8))
}
static fromSlice(bytes: Uint8Array, start: number, length?: number): Bytes {
if (length === undefined) {
return new Bytes(bytes.slice(start))
}
return new Bytes(bytes.slice(start, start + length))
}
offset(index: number): Uint8Array {
return new Uint8Array(this.bytes.slice(index))
}
public toUint8Array(): Uint8Array {
return new Uint8Array(this.bytes)
}
public toHex(): string {
return Binary.uint8ArrayToHex(this.bytes)
}
public toBase64(): string {
return Binary.uint8ArrayToBase64(this.bytes)
}
public toBase32(): string {
return Binary.uint8ArrayToBase32(this.bytes)
}
public toString(): string {
return this.toHex()
}
public toUtf8(): string {
return DECODER.decode(this.bytes)
}
public toJSON(): unknown {
return JSON.parse(this.toUtf8())
}
public equals(other: Bytes | Uint8Array | string): boolean {
return this.toHex() === new Bytes(other).toHex()
}
}
|