Buttercoin Node SDK Client

Official Node Client of the Buttercoin API. Buttercoin is a trading platform that makes buying and selling bitcoin easy.

Getting Started

Use npm to install

npm install buttercoinsdk-node

Examples

Initialization

Setting	Property Name	Description
Public Key	publicKey	Your Buttercoin API Public Key
Secret Key	secretKey	Your Buttercoin API Secret Key
Environment	environment	Your development environment (default: 'production', set to 'sandbox' to test with testnet bitcoins)
API Version	version	The API Version. Currently used to version the API URL and Service Description

// Configure Buttercoin instance.  Only apiKey and apiSecret are required.

// The environment parameter defaults to the 'production' environment.

// The version parameter defaults to the latest version as of this release, 'v1'

var client = require('buttercoinsdk-node')('<api_key>', '<api_secret>', '<environment>', '<version>');

Tips

A note on the timestamp param sent to all client methods: This param must always be increasing, and within 5 minutes of Buttercoin server times (GMT). This is to prevent replay attacks on your data.

Because of this, if you need your API calls to run in a certain order, you must chain together callbacks to ensure synchronous responses to your requests.

var timestamp = new Date().getTime();

Additionally, for convenience, if you don't include the timestamp parameter, it will default to the current timestamp.

client.getKey(function (err, key) {
  // do something amazing!
});

Get Data

Key Permissions
Returns array of permissions associated with this key

client.getKey(new Date().getTime(), function (err, key) {
  console.log("key err", err);
  console.log("key", key);
});

Balances
Returns array of balances for this account

client.getBalances(new Date().getTime(), function (err, balances) {
  console.log("balances err", err);
  console.log("balances", balances);
});

Deposit Address
Returns bitcoin address string to deposit your funds into the Buttercoin platform

client.getDepositAddress(new Date().getTime(), function (err, address) {
  console.log("address err", err);
  console.log("address", address);
});

Get Orders
Returns array of JSON Objects containing information about buy and sell orders

Name	Param	Description
Status	status	enum: ['opened', 'partial-filled', 'filled', 'canceled']
Side	side	enum: ['buy', 'sell']
Order Type	orderType	enum: ['market', 'limit']
Date Min	dateMin	format: ISO-8601, e.g. '2014-05-06T13:15:30Z'
Date Max	dateMax	format: ISO-8601, e.g. '2014-05-06T13:15:30Z'

// query for multiple orders
var orderParams = { side: 'sell' };
// the query parameter is optional and can be omitted for convenience to search all orders
client.getOrders(orderParams, new Date().getTime(), function (err, orders) {
  console.log("orders err", err);
  console.log("orders", orders);
});

// single order by id
var orderId = '<order_id>';

client.getOrderById(orderId, new Date().getTime(), function (err, orders) {
  console.log("order err", err);
  console.log("single order", orders);
});

// single order by url
var url = '<url>';

client.getOrderByUrl(url, new Date().getTime(), function (err, orders) {
  console.log("order err", err);
  console.log("single order", orders);
});

Get Transactions
Returns array of JSON Objects containing information about deposit and withdraw action

Name	Param	Description
Status	status	enum: ['pending', 'processing', 'funded', 'canceled', 'failed']
Transaction Type	transactionType	enum: ['deposit', 'withdrawal']
Date Min	dateMin	format: ISO-8601, e.g. '2014-05-06T13:15:30Z'
Date Max	dateMax	format: ISO-8601, e.g. '2014-05-06T13:15:30Z'

// query for multiple transactions
var trxnParams = {};
// the query parameter is optional and can be omitted for convenience to search all trxns
client.getTransactions(trxnParams, new Date().getTime(), function (err, orders) {
  console.log("trxn err", err);
  console.log("trxn", orders);
});

// single transaction by id
var trxnId = '53a22ce164f23e7301a4fee5';

client.getTransaction(trxnId, new Date().getTime(), function (err, transaction) {
  console.log("single trxn err", err);
  console.log("single trxn", transaction);
});

// single transaction by url
var url = 'https://api.buttercoin.com/v1/transactions/53e539aa64f23ec123931c11';

client.getTransaction(url, new Date().getTime(), function (err, transaction) {
  console.log("single trxn err", err);
  console.log("single trxn", transaction);
});

Unauthenticated Requests

Get Order Book
Return an array of current orders in the Buttercoin order book

client.getOrderbook(function (err, orderBook) {
  console.log("order book err", err);
  console.log("order book", orderBook);
});

Get Ticker
Return the current bid, ask, and last sell prices on the Buttercoin platform

client.getTicker(function (err, ticker) {
  console.log("ticker err", err);
  console.log("ticker", ticker);
});

Create New Actions

Create Order

Valid order params include:

Name	Param	Description
Instrument	instrument	enum: ['BTC_USD, USD_BTC']
Side	side	enum: ['buy', 'sell'], required true
Order Type	orderType	enum: ['limit', 'market'], required true
Price	price	string, required false
Quantity	quantity	string, required false

// create a JSON object with the following params
var order = {
  instrument: "BTC_USD",
  orderAction: "buy",
  orderType: "limit",
  price: "700.00"
  quantity: "5"
};

client.createOrder(order, new Date().getTime(), function (err, order) {
  console.log("create order err", err);
  console.log("create order", order);
});

Create Transaction

Deposit transaction params include:

Name	Param	Description
Method	method	enum: ['wire'], required true
Currency	currency	enum: ['USD'], required true
Amount	amount	string, required true

// create deposit
var trxnObj = {
  method: "wire",
  currency: "USD",
  amount: "5002"
};

client.createDeposit(trxnObj, new Date().getTime(), function (err, trxn) {
  console.log("create trxn err", err);
  console.log("create trxn", trxn);
});

Withdrawal transaction params include:

Name	Param	Description
Method	method	enum: ['check'], required true
Currency	currency	enum: ['USD'], required true
Amount	amount	string, required true

// create withdrawal
var trxnObj = {
  method: "check",
  currency: "USD",
  amount: "100"
};

client.createWithdrawal(trxnObj, new Date().getTime(), function (err, trxn) {
  console.log("create trxn err", err);
  console.log("create trxn", trxn);
});

Send bitcoin transaction params include:

Name	Param	Description
Currency	currency	['USD'], required true
Amount	amount	string, required true
Destination	destination	address to which to send currency string, required true

// send bitcoins to an address
var trxnObj = {
  currency: "BTC",
  amount: "100.231231",
  destination: "<bitcoin_address>"
};

client.sendBitcoin(trxnObj, new Date().getTime(), function (err, trxn) {
  console.log("create trxn err", err);
  console.log("create trxn", trxn);
});

Cancel Actions

All successful cancel calls to the API return a response status of 204 with a human readable success message

Cancel Order
Cancel a pending buy or sell order

client.cancelOrder(orderId, new Date().getTime(), function (err, msg) {
  console.log("cancel order err", err);
  console.log("cancel order", msg);
});

Cancel Transaction
Cancel a pending deposit or withdraw action

client.cancelTransaction(trxnId, new Date().getTime(), function (err, msg) {
  console.log("cancel trxn err", err);
  console.log("cancel trxn", msg);
});

Further Reading

Buttercoin - Website
Buttercoin API Docs

Contributing

This is an open source project and we love involvement from the community! Hit us up with pull requests and issues.

The aim is to take your great ideas and make everyone's experience using Buttercoin even more powerful. The more contributions the better!

Release History

0.0.1

• First release.

0.0.2

• Added support for unauthenticated requests
• Fixed README format and accuracy

0.0.3

• Fixed issue with orderbook returning null

0.0.4

• Fixed issue with self not defined

0.0.7

• Made timestamp an optional parameter (will default to current timestamp)
• Made getOrders and getTransactions query params optional

0.0.8

• Changed test env to sandbox.buttercoin.com

License

Licensed under the MIT license.