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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/ox/_esm/core
Просмотр файла: Base58.js
import * as Bytes from './Bytes.js';
import * as Hex from './Hex.js';
import * as internal from './internal/base58.js';
/**
* Encodes a {@link ox#Bytes.Bytes} to a Base58-encoded string.
*
* @example
* ```ts twoslash
* import { Base58, Bytes } from 'ox'
*
* const value = Base58.fromBytes(Bytes.fromString('Hello World!'))
* // @log: '2NEpo7TZRRrLZSi2U'
* ```
*
* @param value - The byte array to encode.
* @returns The Base58 encoded string.
*/
export function fromBytes(value) {
return internal.from(value);
}
/**
* Encodes a {@link ox#Hex.Hex} to a Base58-encoded string.
*
* @example
* ```ts twoslash
* import { Base58, Hex } from 'ox'
*
* const value = Base58.fromHex(Hex.fromString('Hello World!'))
* // @log: '2NEpo7TZRRrLZSi2U'
* ```
*
* @param value - The byte array to encode.
* @returns The Base58 encoded string.
*/
export function fromHex(value) {
return internal.from(value);
}
/**
* Encodes a string to a Base58-encoded string.
*
* @example
* ```ts twoslash
* import { Base58 } from 'ox'
*
* const value = Base58.fromString('Hello World!')
* // @log: '2NEpo7TZRRrLZSi2U'
* ```
*
* @param value - The string to encode.
* @returns The Base58 encoded string.
*/
export function fromString(value) {
return internal.from(Bytes.fromString(value));
}
/**
* Decodes a Base58-encoded string to a {@link ox#Bytes.Bytes}.
*
* @example
* ```ts twoslash
* import { Base58 } from 'ox'
*
* const value = Base58.toBytes('2NEpo7TZRRrLZSi2U')
* // @log: Uint8Array [ 72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100, 33 ]
* ```
*
* @param value - The Base58 encoded string.
* @returns The decoded byte array.
*/
export function toBytes(value) {
return Bytes.fromHex(toHex(value));
}
/**
* Decodes a Base58-encoded string to {@link ox#Hex.Hex}.
*
* @example
* ```ts twoslash
* import { Base58 } from 'ox'
*
* const value = Base58.toHex('2NEpo7TZRRrLZSi2U')
* // @log: '0x48656c6c6f20576f726c6421'
* ```
*
* @param value - The Base58 encoded string.
* @returns The decoded hex string.
*/
export function toHex(value) {
let integer = BigInt(0);
let pad = 0;
let checkPad = true;
for (let i = 0; i < value.length; i++) {
const char = value[i];
// check for leading 1s
if (checkPad && char === '1')
pad++;
else
checkPad = false;
// check for invalid characters
if (typeof internal.alphabetToInteger[char] !== 'bigint')
throw new Error('invalid base58 character: ' + char);
integer = integer * 58n;
integer = integer + internal.alphabetToInteger[char];
}
if (!pad)
return `0x${integer.toString(16)}`;
return `0x${'0'.repeat(pad * 2)}${integer.toString(16)}`;
}
/**
* Decodes a Base58-encoded string to a string.
*
* @example
* ```ts twoslash
* import { Base58 } from 'ox'
*
* const value = Base58.toString('2NEpo7TZRRrLZSi2U')
* // @log: 'Hello World!'
* ```
*
* @param value - The Base58 encoded string.
* @returns The decoded string.
*/
export function toString(value) {
return Hex.toString(toHex(value));
}
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