lamassu-server/lib/routes.js
2014-04-18 17:46:05 +03:00

96 lines
2.3 KiB
JavaScript

'use strict';
var _trader;
var _lamassuConfig;
// 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 = _trader.rate(req.params.currency);
var satoshiBalanceRec = _trader.balance;
// `rateRec` and `satoshiBalanceRec` are both objects, so there's no danger
// of misinterpreting rate or balance === 0 as 'Server initializing'.
if (!rateRec || !satoshiBalanceRec) {
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 * _trader.config.exchanges.settings.commission,
fiat: _trader.fiatBalance(0, 0),
currency: req.params.currency,
txLimit: parseInt(_trader.config.exchanges.settings.compliance.maximum.limit, 10)
});
};
var trade = function (req, res) {
_trader.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;
_trader.sendBitcoins(fingerprint, req.body, function(err, txHash) {
res.json({err: err, txHash: txHash});
});
};
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/:currency', authMiddleware, poll);
app.post('/send', authMiddleware, send);
app.post('/trade', authMiddleware, trade);
app.post('/pair', pair);
return app;
};