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authortv <tv@nomic.retiolum>2013-11-07 13:07:25 +0100
committertv <tv@nomic.retiolum>2013-11-07 13:07:25 +0100
commit03d7962c7346cb5aa09466c763a2010d89eb7d45 (patch)
treecf0feaf3a6d8fb077ba5672aaeeb58ef14a980ff /gold/bitcoinwisdom/ticker.js
parentea8a9e3f3637eb2cd6f1781afe20d9f0c4090fed (diff)
bitcoinwisdom ticker: initial commit
Diffstat (limited to 'gold/bitcoinwisdom/ticker.js')
-rw-r--r--gold/bitcoinwisdom/ticker.js84
1 files changed, 84 insertions, 0 deletions
diff --git a/gold/bitcoinwisdom/ticker.js b/gold/bitcoinwisdom/ticker.js
new file mode 100644
index 00000000..95861229
--- /dev/null
+++ b/gold/bitcoinwisdom/ticker.js
@@ -0,0 +1,84 @@
+var http = require('http');
+var beeper = require('./beep.js').create_beeper();
+
+setInterval(get_ticker, 1000);
+
+function get_ticker () {
+ http.get('http://s1.bitcoinwisdom.com:8080/ticker', ticker_response_handler);
+}
+
+function ticker_response_handler (res) {
+ var data = '';
+ res.on('data', function (chunk) {
+ data += chunk;
+ });
+ res.on('end', function () {
+ try {
+ data = JSON.parse(data);
+ } catch (err) {
+ return console.log('Error:', err);
+ }
+ ticker_data_handler(data);
+ });
+}
+
+var last_data = {
+ btceltcbtc: {
+ last: 0, // price
+ date: 0,
+ tid: 0,
+ },
+}
+
+function ticker_data_handler (data) {
+ //console.log(data)
+
+ var ticker = data.btceltcbtc
+ var last_ticker = last_data.btceltcbtc
+
+ if (ticker.date !== last_ticker.date) {
+
+ var diff = ticker.last - last_ticker.last;
+
+ var lag = data.now - ticker.date;
+
+ freq = (2000 + 1000000 * diff) | 0;
+
+ var out = [
+ format_date(data.now) + '+' + pad_left(lag, 2, '0'),
+ 'btceltcbtc',
+ '[' + diff_color(diff) + 'm' + ticker.last + '',
+ lag,
+ freq,
+ ];
+
+ console.log(out.join(' '));
+
+ beeper.beep(freq, 10);
+ }
+
+ last_data.btceltcbtc = data.btceltcbtc;
+}
+
+function diff_color (diff) {
+ if (diff < 0) {
+ return '31;1';
+ } else if (diff > 0) {
+ return '32;1';
+ } else {
+ return '33;1';
+ }
+}
+
+function format_date (unix) {
+ return (new Date(unix * 1000)).toISOString()
+ .replace(/\.000Z$/, 'Z')
+}
+
+function pad_left (obj, num, char) {
+ var str = obj.toString();
+ while (str.length < num) {
+ str += char;
+ }
+ return str;
+}