117 lines
3.2 KiB
JavaScript
117 lines
3.2 KiB
JavaScript
'use strict';
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var _trader;
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var _lamassuConfig;
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var logger = require('./logger');
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var ApiResponse = require('./api_response');
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// Make sure these are higher than polling interval
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// or there will be a lot of errors
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var STALE_TICKER = 180000;
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var STALE_BALANCE = 180000;
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var API_VERSION = 1;
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function prepareApi(req, res) {
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return ApiResponse.factory({
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response: res,
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targetVersion: req.body.version || 0,
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version: API_VERSION
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});
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}
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var poll = function(req, res) {
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var rateRec = _trader.rate();
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var balanceRec = _trader.balance;
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var fingerprint = req.connection.getPeerCertificate().fingerprint;
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var api = prepareApi(req, res);
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logger.debug('poll request from: %s', fingerprint);
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// `rateRec` and `balanceRec` are both objects, so there's no danger
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// of misinterpreting rate or balance === 0 as 'Server initializing'.
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if (!rateRec || !balanceRec) {
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return api.respond('Server initializing');
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}
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var now = Date.now();
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if (now - rateRec.timestamp > STALE_TICKER) {
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return api.respond('Stale ticker');
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}
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if (now - balanceRec.timestamp > STALE_BALANCE) {
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return api.respond('Stale balance');
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}
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var rate = rateRec.rate;
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if (rate === null) return api.respond('No rate available');
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var fiatBalance = _trader.fiatBalance(fingerprint);
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if (fiatBalance === null) return api.respond('No balance available');
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api.respond(null, {
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rate: rate * _trader.config.exchanges.settings.commission,
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fiat: fiatBalance,
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locale: _trader.config.brain.locale,
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txLimit: parseInt(_trader.config.exchanges.settings.compliance.maximum.limit, 10)
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});
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};
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var trade = function (req, res) {
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var fingerprint = req.connection.getPeerCertificate().fingerprint;
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var api = prepareApi(req, res);
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_trader.trade(req.body, fingerprint);
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api.respond();
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};
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var deviceEvent = function deviceEvent(req, res) {
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var fingerprint = req.connection.getPeerCertificate().fingerprint;
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var api = prepareApi(req, res);
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_trader.event(req.body, fingerprint);
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api.respond();
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};
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var idVerify = function idVerify(req, res) {
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var fingerprint = req.connection.getPeerCertificate().fingerprint;
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var api = prepareApi(req, res);
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_idVerifier.idVerify(req.body, fingerprint, function (err, idResult) {
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api.respond(err, idResult);
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});
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};
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var send = function(req, res) {
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var fingerprint = req.connection.getPeerCertificate().fingerprint;
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var api = prepareApi(req, res);
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_trader.sendBitcoins(fingerprint, req.body, function(err, txHash) {
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api.respond(err, {txHash: txHash});
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});
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};
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var pair = function(req, res) {
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var api = prepareApi(req, res);
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var token = req.body.token;
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var name = req.body.name;
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_lamassuConfig.pair(
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token,
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req.connection.getPeerCertificate().fingerprint,
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name,
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function(err) {
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if (err) return api.respond(err, null, 500);
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api.respond();
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}
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);
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};
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exports.init = function(app, config, trader, authMiddleware) {
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_lamassuConfig = config;
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_trader = trader;
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app.get('/poll', authMiddleware, poll);
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app.post('/send', authMiddleware, send);
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app.post('/trade', authMiddleware, trade);
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app.post('/event', authMiddleware, deviceEvent);
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app.post('/id_verify', authMiddleware, idVerify);
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app.post('/pair', pair);
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return app;
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};
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