| 1 | var request = require("request"),
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| 2 | crypto = require("crypto"),
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| 3 | querystring = require("querystring");
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| 4 |
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| 5 | var BTCE = function(apiKey, secret) {
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| 6 | var self = this;
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| 7 | self.url = "https://btc-e.com/tapi";
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| 8 | self.publicApiUrl = "https://btc-e.com/api/2/";
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| 9 | self.apiKey = apiKey;
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| 10 | self.secret = secret;
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| 11 |
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| 12 | self.makeRequest = function(method, params, callback) {
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| 13 | var queryString,
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| 14 | sign,
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| 15 | headers;
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| 16 |
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| 17 | params.nonce = Math.round((new Date()).getTime()/1000);
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| 18 | params.method = method;
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| 19 | queryString = querystring.stringify(params);
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| 20 |
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| 21 | sign = crypto.createHmac("sha512", self.secret).update(new Buffer(queryString)).digest('hex').toString();
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| 22 | headers = {
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| 23 | 'Sign': sign,
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| 24 | 'Key': self.apiKey
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| 25 | };
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| 26 |
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| 27 | request({ url: self.url, method: "POST", form: params, headers: headers }, function(err, response, body) {
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| 28 | var result = JSON.parse(body);
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| 29 | if(result.success === 0) {
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| 30 | callback(result.error);
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| 31 | return;
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| 32 | }
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| 33 |
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| 34 | callback(false, result['return']);
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| 35 | });
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| 36 | };
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| 37 |
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| 38 | self.makePublicApiRequest = function(pair, method, callback) {
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| 39 | request({ url: self.publicApiUrl + pair + '/' + method }, function(err, response, body) {
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| 40 | var result = JSON.parse(body);
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| 41 |
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| 42 | if (result.error) {
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| 43 | callback(result.error);
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| 44 | return;
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| 45 | }
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| 46 |
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| 47 | callback(false, result);
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| 48 | });
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| 49 | };
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| 50 |
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| 51 | self.getInfo = function(callback) {
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| 52 | self.makeRequest('getInfo', {}, callback);
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| 53 | };
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| 54 |
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| 55 | self.transHistory = function(params, callback) {
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| 56 | self.makeRequest('TransHistory', params, callback);
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| 57 | };
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| 58 |
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| 59 | self.tradeHistory = function(params, callback) {
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| 60 | self.makeRequest('TradeHistory', params, callback);
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| 61 | };
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| 62 |
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| 63 | self.orderList = function(params, callback) {
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| 64 | self.makeRequest('OrderList', params, callback);
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| 65 | };
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| 66 |
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| 67 | self.trade = function(pair, type, rate, amount, callback) {
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| 68 | self.makeRequest('Trade', {
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| 69 | 'pair': pair,
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| 70 | 'type': type,
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| 71 | 'rate': rate,
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| 72 | 'amount': amount
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| 73 | }, callback);
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| 74 | };
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| 75 |
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| 76 | self.cancelOrder = function(orderId, callback) {
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| 77 | self.makeRequest('CancelOrder', {'order_id': orderId}, callback);
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| 78 | };
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| 79 |
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| 80 | self.ticker = function(pair, callback) {
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| 81 | self.makePublicApiRequest(pair, 'ticker', callback);
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| 82 | };
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| 83 |
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| 84 | self.trades = function(pair, callback) {
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| 85 | self.makePublicApiRequest(pair, 'trades', callback);
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| 86 | };
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| 87 |
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| 88 | self.depth = function(pair, callback) {
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| 89 | self.makePublicApiRequest(pair, 'depth', callback);
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| 90 | };
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| 91 | };
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| 92 |
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| 93 | module.exports = BTCE;
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