52 lines
1.6 KiB
JavaScript
52 lines
1.6 KiB
JavaScript
let http = require('http');
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let btcCache = {};
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exports.doBTC = function(req, res) {
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console.log('Bitcoin request');
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function btcQuery(callback, r) {
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var req = r;
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var options = {
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host: 'api.coindesk.com',
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// port: 80,
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path: '/v1/bpi/currentprice.json',
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// method: 'GET',
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headers: {
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/* 'Content-Type': 'application/json',
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'Content-Length': Buffer.byteLength(data)*/
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}
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};
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try {
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http.request(options).on('response', function(response) {
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var data = '';
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response.on('data', function(chunk) {
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data += chunk;
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});
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response.on('end', function() {
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callback(JSON.parse(data), r);
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});
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response.on('error', function(e) {
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console.error(e);
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});
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}).end();
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} catch (e) {
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console.error(e);
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}
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}
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let now = new Date();
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if (now - GLOBAL.lastcheck > (59000 )) {
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btcQuery(function(a) {
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// console.log(a);
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console.log('Got btc data.');
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btcCache = a;
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GLOBAL.lastcheck = now;
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res.setHeader('Content-Type', 'application/json');
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res.end(JSON.stringify(btcCache));
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}, res);
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} else {
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console.log('Using cache');
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res.setHeader('Content-Type', 'application/json');
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res.end(JSON.stringify(btcCache));
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}
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};
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