A typescript library for validation bitcoin and most of altcoins address.

🏠 Homepage

Prerequisites

• node >=8.9

Install

yarn

Usage

yarn doc

Run tests

yarn test

Supported crypto currencies

• Bitcoin/BTC
• Bitcoin Cash/BCH
• Ethereum/ETH
• Litecoin/LTC
• Ripple/XRP
• Stellar Lumens/XLM
• Cardano/ADA
• Tron/TRX
• Monero/XMR
• IOTA
• Dash/DASH
• Cosmos/ATOM
• NEO
• Dogecoin/DOGE
• Zcash/ZEC
• NEM/XEM
• V Systems/VSYS
• Decred/DCR
• Qtum/QTUM
• Nano/NANO
• Bytom/BTM

API

/**
 * Checks if the given string is an address
 *
 * @param {string} address
 * @param {string} coin
 * @returns {boolean}
 */
function isValid(address: string, coin: string): boolean;

/**
 * Use regex to pre-check the address is a legal address type.
 *
 * @param {string} address
 * @param {string} coin
 * @returns {boolean}
 */
function preCheck(address: string, coin: string): boolean;

/**
 * Get the checker
 *
 * @param {string} coin
 * @returns {IChecker}
 */
function cryptoChecker(coin: string): IChecker;

interface IChecker {
  isValid(address: string): boolean;
  preCheck(address: string): boolean;
}

Examples

Typescript

import { isValid } from 'cryptocurrency-address-checker';

const valid: boolean = isValid('1KFzzGtDdnq5hrwxXGjwVnKzRbvf8WVxck', 'BTC');
if (valid) {
  console.log('This is a valid address');
} else {
  console.log('Address INVALID');
}

Javascript

import { isValid, preCheck } from 'cryptocurrency-address-checker';

var valid = isValid('1KFzzGtDdnq5hrwxXGjwVnKzRbvf8WVxck', 'BTC');
if (valid) console.log('This is a valid BTC address');
else console.log('BTC Address INVALID');

var valid = preCheck('Xx4dYKgz3Zcv6kheaqog3fynaKWjbahb6b', 'dash');
if (valid) console.log('This is a valid DASH address');
else console.log('DASH Address INVALID');

Browser

<script src="cryptocurrency-address-checker.min.js"></script>

// CAChecker is exposed as a global (window.CAChecker)
var valid = CAChecker.validate('1KFzzGtDdnq5hrwxXGjwVnKzRbvf8WVxck', 'bitcoin');
if (valid) console.log('This is a valid address');
else console.log('Address INVALID');

🤝 Contributing

Contributions, issues and feature requests are welcome!Feel free to check issues page.

Show your support

Give a ⭐️ if this project helped you!

📝 License

Copyright © 2019 jxiaox. This project is MIT licensed.