cryptoo

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Set up your own bitcoin payment system the easy way(with 4 APIs).

cryptoo 최신버젼 다운로드

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// repository documentation

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## Cryptoo

Set up your own bitcoin payment system the easy way(with 4 APIs).

## Install

```
npm install cryptoo
```

## Usage

```js
const Cryptoo = require('cryptoo');

// Create a cryptoo instance
// Start syncing blockchain data
const cryptoo = new Cryptoo({
  secret: 'sample-secret-e34dc9dff1b8b04c2b678ff7bb1dd02181bfe31b045f77',
});

// Get recovery phrase to backup your HD wallet
cryptoo.getRecoveryPhrase();

// Generate address to receive coins(shoud be recorded for looking up later)
cryptoo.createAddress();

// Fires when an unconfirmed transaction is received to your address
cryptoo.on('unconfirmedTx', ({ address, txHash, value }) => {
  console.log(`saw tx ${value} for ${address}`);
});

// Fires when a transaction to your address has one confirmation
cryptoo.on('confirmedTx', ({ address, txHash, value }) => {
  console.log(`received ${value} for ${address}`);
});
```

## Configuration

```js
new Cryptoo({
  // default 'main', can also be 'testnet'
  network: 'main',
  // default '~/.bcoin', where to store blockchain and wallet data
  chainDataFolder: '~/.bcoin',
  // default: null, secret is used to protect your wallet api, so that if you open port 8332 accedently, other people wll not be able to access you wallet
  secret: 'v8ZgxMBicQKsPd1jmUQY2WBfrmK4tVMfAiSCh6xZXVMcNoDoyjLDRKe',
  // default: false, wether to show bcoin log in console, useful for debuging
  logBcoinLogInConsole: false,
});
```

## Real-life examples

- [Cryptoo landing page with bitcoin donation](https://getcryptoo.com); [[source code]](https://github.com/getcryptoo/cryptoo-example)
- TO BE ADDED

## How does cryptoo work

All the major functionlites of Cryptoo is provided by [bcoin](https://github.com/bcoin-org/bcoin), Cryptoo is a simple wrapper over [bcoin](https://github.com/bcoin-org/bcoin), exposing necessary apis to provide an easier api interface for user to build a payment system. It's about 160 lines of code.

Bcoin is able to start and mantain bitcoin [SPV node](https://bitcoin.org/en/operating-modes-guide#simplified-payment-verification-spv)(light weight node) and also [HD wallet](https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki)(able to derive unlimited addresses from a seed key(recovery phrase))

When `Cryptoo` instance is created, it will start an SPV node and prepare an HD wallet for you.

Depend on your network enviroment, it might take one to severial hours to sync the blockchain data, the blockchain data and wallet info will be stored in `chainDataFolder` you configure.
## About Security

1. **Close 8332 port**: for now cryptoo is a wrapper on bcoin, and bcoin will start an http server listening on this port for accessing wallet data, it's recommand to disable 8332 port for external access.
2. **Define a complex api-key**: if you are not able to close 8332 port, you should define a complex api-key

## Access your bitcoins

As the wallet provided is an HD wallet, once you get the recovery phrase by invoking the `getRecoveryPhrase()` API. You can access you wallet by importing it to any wallet support bip44

### Recommend HD wallets
- [Mycelium](https://wallet.mycelium.com/)
- [Copay](https://copay.io/)(not able to recover wallet from phrase for testnet)

## Roadmap

- cryptoo-eth

### Useful tools
- faucet testnet bitcoin: http://bitcoinfaucet.uo1.net/send.php

cryptoo

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