@gorbchain-xyz/chaindecode/dist/src/utils/base58.js

GorbchainSDK V1.3+ - Complete Solana development toolkit with advanced cryptography, messaging, and collaboration features. Build secure applications with blockchain, DeFi, and end-to-end encryption.

// Minimal browser-safe base58 encode/decode utilities
export function base58ToBytes(b58) {
    const ALPHABET = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz';
    const BASE = 58;
    const bytes = [0];
    for (let i = 0; i < b58.length; i++) {
        const c = b58[i];
        const val = ALPHABET.indexOf(c);
        if (val < 0)
            throw new Error('Invalid base58 char');
        let carry = val;
        for (let j = 0; j < bytes.length; ++j) {
            carry += bytes[j] * BASE;
            bytes[j] = carry & 0xff;
            carry >>= 8;
        }
        while (carry) {
            bytes.push(carry & 0xff);
            carry >>= 8;
        }
    }
    for (let k = 0; k < b58.length && b58[k] === '1'; ++k)
        bytes.push(0);
    return new Uint8Array(bytes.reverse());
}
export function bytesToBase58(bytes) {
    const ALPHABET = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz';
    const digits = [0];
    for (let i = 0; i < bytes.length; ++i) {
        let carry = bytes[i];
        for (let j = 0; j < digits.length; ++j) {
            carry += digits[j] << 8;
            digits[j] = carry % 58;
            carry = (carry / 58) | 0;
        }
        while (carry) {
            digits.push(carry % 58);
            carry = (carry / 58) | 0;
        }
    }
    let result = '';
    for (let k = 0; k < bytes.length && bytes[k] === 0; ++k)
        result += '1';
    for (let q = digits.length - 1; q >= 0; --q)
        result += ALPHABET[digits[q]];
    return result;
}
export function decodeWithEncoding(data) {
    try {
        const bytes = base58ToBytes(data);
        return { bytes, encoding: 'base58' };
    }
    catch (_e) {
        try {
            const bytes = Uint8Array.from(atob(data), c => c.charCodeAt(0));
            return { bytes, encoding: 'base64' };
        }
        catch (_e2) {
            return { bytes: null, encoding: 'unknown' };
        }
    }
}