Start the refactor

lib/protocol/atm-api.js

@@ -0,0 +1,116 @@
+'use strict';
+
+var api = exports.api = require('./api/api');
+var _config;
+var _lamassuConfig;
+var _commission;
+
+// Make sure these are higher than polling interval
+// or there will be a lot of errors
+var STALE_TICKER  = 180000;
+var STALE_BALANCE = 180000;
+
+Error.prototype.toJSON = function () {
+  var self = this;
+  var ret = {};
+  Object.getOwnPropertyNames(self).forEach(function (key) {
+    ret[key] = self[key];
+  });
+  return ret;
+};
+
+var poll = function(req, res) {
+  if (req.device.unpair) {
+    return res.json({
+      unpair: true
+    });
+  }
+
+  var rateRec = api.ticker.rate(req.params.currency);
+  var satoshiBalanceRec = api.balance.balance();
+
+  if (rateRec === null || satoshiBalanceRec === null)
+    return res.json({err: 'Server initializing'});
+  if (Date.now() - rateRec.timestamp > STALE_TICKER)
+    return res.json({err: 'Stale ticker'});
+  if (Date.now() - rateRec.timestamp > STALE_BALANCE)
+    return res.json({err: 'Stale balance'});
+
+  var rate = rateRec.rate;
+
+  res.json({
+    err: null,
+    rate: rate * _commission,
+    fiat: api.fiatBalance(rate, satoshiBalanceRec, 0, 0),
+    currency: req.params.currency,
+    txLimit: parseInt(_config.exchanges.settings.compliance.maximum.limit, 10)
+  });
+};
+
+// TODO need to add in a UID for this trade
+var trade = function(req, res) {
+  api.trade.trade(req.body.fiat, req.body.satoshis, req.body.currency, function(err) {
+    res.json({err: err});
+  });
+};
+
+var send = function(req, res) {
+  var fingerprint = req.connection.getPeerCertificate().fingerprint;
+  api.send.sendBitcoins(fingerprint, req.body, function(err, txHash) {
+    res.json({err: err, txHash: txHash});
+  });
+};
+
+var configurations = function(req, res) {
+  res.json({
+    err: _config.exchanges && _config.exchanges.settings ? null : new Error('Settings Not Found!'),
+    results: _config.exchanges.settings
+  });
+};
+
+var pair = function(req, res) {
+  var token = req.body.token;
+  var name = req.body.name;
+
+  _lamassuConfig.pair(
+    token,
+    req.connection.getPeerCertificate().fingerprint,
+    name,
+    function(err) {
+      if (err) res.json(500, { err: err.message });
+      else res.json(200);
+    }
+  );
+};
+
+exports.init = function(app, config, lamassuConfig, authMiddleware) {
+  _config = config;
+  _lamassuConfig = lamassuConfig;
+  
+  api.init(_config.exchanges);
+
+  _commission = _config.exchanges.settings.commission;
+
+  exports._tradeExchange = api._tradeExchange;
+  exports._transferExchange = api._transferExchange;
+
+  app.get('/poll/:currency', authMiddleware, poll);
+  app.get('/config', authMiddleware, configurations);
+  app.post('/trade', authMiddleware, trade);
+  app.post('/send', authMiddleware, send);
+  app.post('/pair', pair);
+
+  lamassuConfig.on('configUpdate', function () {
+    _lamassuConfig.load(function(err, config) {
+      if (err) {
+        return console.error('Error while reloading config');
+      }
+
+      _config = config;
+      api.init(_config.exchanges);
+      console.log('Config reloaded');
+    });
+  });
+
+  return app;
+};