@avalanche-sdk/client/src/utils/common.ts

A TypeScript SDK for interacting with the Avalanche network through JSON-RPC APIs. This SDK provides a comprehensive set of tools to interact with all Avalanche chains (P-Chain, X-Chain, C-Chain) and various APIs, including wallet functionality for transa

import { utils } from "@avalabs/avalanchejs";
import { Hex } from "viem";

/**
 *  Encodes a hex string (0x...) into CB58.
 *
 * @param hex - The hex string to encode.
 * @returns The CB58 encoded string.
 *
 * @example
 * ```ts
 * import { hexToCB58 } from "@avalanche-sdk/client/utils";
 *
 * const cb58 = hexToCB58("0x1234567890abcdef");
 * ```
 */
export function hexToCB58(hex: Hex): string {
  return utils.base58.encode(utils.hexToBuffer(hex));
}

/**
 *  Decodes a CB58 string into a hex string (0x...).
 *
 * @param cb58 - The CB58 string to decode.
 * @returns The hex string.
 *
 * @example
 * ```ts
 * import { CB58ToHex } from "@avalanche-sdk/client/utils";
 *
 * const hex = CB58ToHex("AhhdUnShjkljhSDSSHJl...");
 * ```
 */
export function CB58ToHex(cb58: string): Hex {
  return utils.bufferToHex(utils.base58.decode(cb58)) as Hex;
}