joeuhren
104 lines
3.9 KiB
JavaScript
104 lines
3.9 KiB
JavaScript
var request = require('request');
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var base_url = 'https://altmarkets.io/api/v2/';
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function get_summary(coin, exchange, cb) {
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var req_url = base_url + 'tickers/' + coin.toLowerCase() + exchange.toLowerCase();
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var summary = {};
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request({uri: req_url, json: true}, function (error, response, body) {
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if (error) {
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return cb(error, null);
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} else {
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if (body.error) {
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return cb(body.error, null);
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} else {
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summary['bid'] = parseFloat(body['ticker']['buy']).toFixed(8);
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summary['ask'] = parseFloat(body['ticker']['sell']).toFixed(8);
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summary['volume'] = parseFloat(body['ticker']['vol']).toFixed(8);
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summary['volume_btc'] = parseFloat(body['ticker']['quotevol']).toFixed(8);
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summary['high'] = parseFloat(body['ticker']['high']).toFixed(8);
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summary['low'] = parseFloat(body['ticker']['low']).toFixed(8);
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summary['last'] = parseFloat(body['ticker']['last']).toFixed(8);
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request({ uri: base_url + 'k?market=' + coin.toLowerCase() + "" + exchange.toLowerCase() + '&period=1&time_to=' + (Math.round(Date.now()/1000)-(60*60*24)) + '&limit=1', json: true }, function (error, response, body) {
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if (error) {
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return cb(error, null);
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} else {
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if (body.error) {
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return cb(body.error, null);
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} else {
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var prevlast = body[0][4];
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summary['change'] = -(100-(((1/prevlast)*summary['last'])*100));
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return cb(null, summary);
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}
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}
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});
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}
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}
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});
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}
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function get_trades(coin, exchange, cb) {
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var req_url = base_url + "trades?market=" + coin.toLowerCase() + "" + exchange.toLowerCase() + "&limit=50&order_by=desc";
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request({uri: req_url, json: true}, function (error, response, body) {
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if (body.error) {
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return cb(body.error, null);
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} else {
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return cb (null, body);
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}
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});
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}
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function get_orders(coin, exchange, cb) {
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var req_url = base_url + 'depth?market=' + coin.toLowerCase() + exchange.toLowerCase();
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request({uri: req_url, json: true}, function (error, response, body) {
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if (body.error) {
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return cb(body.error, [], [])
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} else {
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var orders = body;
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var buys = [];
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var sells = [];
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if (orders['bids'].length > 0){
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for (var i = 0; i < orders['bids'].length; i++) {
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var order = {
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amount: parseFloat(orders.bids[i][1]).toFixed(8),
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price: parseFloat(orders.bids[i][0]).toFixed(8),
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// total: parseFloat(orders.bids[i].Total).toFixed(8)
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// Necessary because API will return 0.00 for small volume transactions
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total: (parseFloat(orders.bids[i][1]).toFixed(8) * parseFloat(orders.bids[i][0])).toFixed(8)
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}
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buys.push(order);
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}
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} else {}
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if (orders['asks'].length > 0) {
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for (var x = 0; x < orders['asks'].length; x++) {
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var order = {
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amount: parseFloat(orders.asks[x][1]).toFixed(8),
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price: parseFloat(orders.asks[x][0]).toFixed(8),
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// total: parseFloat(orders.asks[x].Total).toFixed(8)
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// Necessary because API will return 0.00 for small volume transactions
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total: (parseFloat(orders.asks[x][1]).toFixed(8) * parseFloat(orders.asks[x][0])).toFixed(8)
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}
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sells.push(order);
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}
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} else {}
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return cb(null, buys, sells);
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}
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});
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}
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module.exports = {
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get_data: function(coin, exchange, cb) {
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var error = null;
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get_orders(coin, exchange, function(err, buys, sells) {
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if (err) { error = err; }
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get_trades(coin, exchange, function(err, trades) {
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if (err) { error = err; }
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get_summary(coin, exchange, function(err, stats) {
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if (err) { error = err; }
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return cb(error, {buys: buys, sells: sells, chartdata: [], trades: trades, stats: stats});
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});
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});
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});
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}
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};
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