altcoin-address

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altcoin-address

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Useful library for validation of Bitcoin, Litecoin and other cryptocoin addresses

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# altcoin-address [![Build Status](https://secure.travis-ci.org/ryanralph/altcoin-address.png)](http://travis-ci.org/ryanralph/altcoin-address)
Functions for working with altcoin addresses, forked from [DefunctZombie](https://github.com/defunctzombie/bitcoin-address).

## API

### validate (address [, type])

> returns true if the address (string) is a valid altcoin address for the type specified
>
> if no options are specified it defaults to bitcoin

### get_address_type (address)

> returns address type if valid base58 address, otherwise null

### Address types

* Bitcoin/BTC  (bitcoin)
* Litecoin/LTC  (litecoin)
* Peercoin/PPCoin/PPC  (peercoin)
* Dogecoin/DOGE (dogecoin)
* BeaverCoin/BVC (beavercoin)
* Freicoin/FRC  (freicoin)
* Protoshares/PTS  (protoshares)
* Megacoin/MEC  (megacoin)
* Primecoin/XPM  (primecoin)
* Auroracoin/AUR (auroracoin)
* Namecoin/NMC (namecoin)

I intend to update this to include more currencies in the future. If you would like a new currency added quickly please send a pull request including tests.

> This will work for both BIP-0016 P2SH addresses and regular addresses.
>
> To check the validity of a testnet address for any of the listed coins just append 'Testnet'

### Example

```javascript
var altcoin = require('altcoin-address');

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

//This should return that 'This is a valid address'
```

```javascript
var altcoin = require('altcoin-address');

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

//As this is a invalid litecoin address response will be 'Address INVALID'
```

###Donations

If you've found this useful feel free to send me a tip
> BTC 1E3s7YjGVWrnhxTYkjkBKtTX3c673CCm3w

###Ports to other languages

Ruby: https://bitbucket.org/noveltylab/crypto-address

altcoin-address

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