lamassu-server/lib/routes.js
2014-05-04 20:55:04 -04:00

102 lines
2.6 KiB
JavaScript

'use strict';
var _trader;
var _lamassuConfig;
var logger = require('./logger');
// 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) {
var rateRec = _trader.rate();
var balanceRec = _trader.balance;
var fingerprint = req.connection.getPeerCertificate().fingerprint;
logger.debug('poll request from: %s', fingerprint);
// `rateRec` and `balanceRec` are both objects, so there's no danger
// of misinterpreting rate or balance === 0 as 'Server initializing'.
if (!rateRec || !balanceRec) {
return res.json({err: 'Server initializing'});
}
var now = Date.now();
if (now - rateRec.timestamp > STALE_TICKER) {
return res.json({err: 'Stale ticker'});
}
if (now - balanceRec.timestamp > STALE_BALANCE) {
return res.json({err: 'Stale balance'});
}
var rate = rateRec.rate;
if (rate === null) return res.json({err: 'No rate available'});
var fiatBalance = _trader.fiatBalance(fingerprint);
if (fiatBalance === null) return res.json({err: 'No balance available'});
res.json({
err: null,
rate: rate * _trader.config.exchanges.settings.commission,
fiat: fiatBalance,
locale: _trader.config.brain.locale,
txLimit: parseInt(_trader.config.exchanges.settings.compliance.maximum.limit, 10)
});
};
var trade = function (req, res) {
var fingerprint = req.connection.getPeerCertificate().fingerprint;
_trader.trade(req.body, fingerprint);
res.json({err: null});
};
var send = function(req, res) {
var fingerprint = req.connection.getPeerCertificate().fingerprint;
_trader.sendBitcoins(fingerprint, req.body, function(err, txHash) {
res.json({
err: err && err.message,
txHash: txHash,
errType: err && err.name
});
});
};
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) {
return res.json(500, { err: err.message });
}
res.json(200);
}
);
};
exports.init = function(app, config, trader, authMiddleware) {
_lamassuConfig = config;
_trader = trader;
app.get('/poll', authMiddleware, poll);
app.post('/send', authMiddleware, send);
app.post('/trade', authMiddleware, trade);
app.post('/pair', pair);
return app;
};