crypto-wallet-address-validator

0.2.1 • Public • Published

crypto-wallet-address-validator

Simple wallet address validator for validating Bitcoin and other altcoins addresses in Node.js and browser.

Forked from ivands/crypto-address-validator

I forked it to include the new Litecoin address prefix format and to add bitcoin cash support, file size is 4.0 kB (minifed and gzipped).

Installation

Node

npm install crypto-wallet-address-validator

Browser

<script src="wallet-address-validator.min.js"></script>

Using bower

bower install crypto-wallet-address-validator

API

validate (address [, currency = 'bitcoin'[, networkType = 'prod']])
Parameters
  • address - Wallet address to validate.
  • currency - Optional. Currency name or symbol, e.g. 'bitcoin' (default), 'litecoin' or 'LTC'
  • networkType - Optional. Use 'prod' (default) to enforce standard address, 'testnet' to enforce testnet address and 'both' to enforce nothing.

Returns true if the address (string) is a valid wallet address for the crypto currency specified, see below for supported currencies.

getAddressType (address)
Parameters
  • address - Wallet address.

Returns address type (as 2 character hex string) if valid base58 address, otherwise null.

Supported crypto currencies

  • Bitcoin/BTC, 'bitcoin' or 'BTC'
  • Bcash/BCH, 'bcash' or 'BCH'
  • Litecoin/LTC, 'litecoin' or 'LTC'
  • Peercoin/PPCoin/PPC, 'peercoin' or 'PPC'
  • Dogecoin/DOGE, 'dogecoin' or 'DOGE'
  • BeaverCoin/BVC, 'beavercoin' or 'BVC'
  • Freicoin/FRC, 'freicoin' or 'FRC'
  • Protoshares/PTS, 'protoshares' or 'PTS'
  • Megacoin/MEC, 'megacoin' or 'MEC'
  • Primecoin/XPM, 'primecoin' or 'XPM'
  • Auroracoin/AUR, 'auroracoin' or 'AUR'
  • Namecoin/NMC, 'namecoin' or 'NMC'

Usage example

Node

var WAValidator = require('wallet-address-validator');
 
var valid = WAValidator.validate('1KFzzGtDdnq5hrwxXGjwVnKzRbvf8WVxck', 'BTC');
if(valid)
    console.log('This is a valid address');
else
    console.log('Address INVALID');
 
// This will log 'This is a valid address' to the console.
var WAValidator = require('wallet-address-validator');
 
var valid = WAValidator.validate('1KFzzGtDdnq5hrwxXGjwVnKzRbvf8WVxck', 'litecoin', 'testnet');
if(valid)
      console.log('This is a valid address');
else
      console.log('Address INVALID');
 
// As this is a invalid litecoin address 'Address INVALID' will be logged to console.

Browser

<script src="wallet-address-validator.min.js"></script>
// WAValidator is exposed as a global (window.WAValidator)
var valid = WAValidator.validate('1KFzzGtDdnq5hrwxXGjwVnKzRbvf8WVxck', 'bitcoin');
if(valid)
    alert('This is a valid address');
else
    alert('Address INVALID');
 
// This should show a pop up with text 'This is a valid address'.

Package Sidebar

Install

npm i crypto-wallet-address-validator

Weekly Downloads

31

Version

0.2.1

License

MIT

Last publish

Collaborators

  • coinflux