node.js trading library for Bitfloor and MtGox
The library is written using a typical node.js event/callback approach. See below for quick usage and the 'examples' directory for more detailed examples. All of the APIs described below are a work in progress and being actively developed. Suggestions are welcome.
##Install##
npm install git://github.com/bitfloor/trader.nodejs.git
##Market Data##
To receive market data all you have to do is use the book builder to create a book for the exchange you want. Level updates will emit events.
var book_builder = require('btctrader').books;
// we can ask the book builder to create a book of any supported type
// as long as the returned book object emits the right events it will work
var bitfloor_book = book_builder.build({
// common options
exchange: 'bitfloor', // bitfloor or mtgox
protocol: 'rest', // only 'rest' is supported for now
depth: 'L1', // only L1 is supported for now
// exchange specific
host: 'api.bitfloor.com',
product: 1,
});
// errors will be emitted to the typical error event
bitfloor_book.on('error', function(err) {
});
// the L1 book emits a 'changed' event when there is an update
book.on('changed', function(details) {
details.side; // 0 for BID, 1 for ASK
details.size; // amount
details.price; // price
});##Order Entry##
Setup to enter orders is very similar to the book builder. You initialize a trader for the given exchange. Below is an example for a basic REST based trader.
var trader_builder = require('btctrader').traders;
var trader = trader_builder.build({
exchange: 'bitfloor',
// exchange specific
protocol: 'rest',
host: 'api.bitfloor.com',
sec_key: ..., // your bitfloor sec key
api_key: ..., // your bitfloor api key
});
// send a new order to the exchange
var details = {
side: 0, // 0 for buy, 1 for sell
size: 0.0, // amount
price: 0.0, // price
product_id: 1, // exchange specific product id
}
trader.new_order(details, function(response) {
});
// cancel an order
var details = {
order_id: '', // exchange specified order id
product_id: 1, // exchange specific product id
}
trader.cancel_order = function(details, response) {
});
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