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Francois Klieber committed
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var Coingi = require('coingi');
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var moment = require('moment');
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var _ = require('lodash');
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var util = require('../core/util');
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var Errors = require('../core/error');
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var log = require('../core/log');
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var Trader = function (config) {
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_.bindAll(this);
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if (_.isObject(config)) {
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this.key = config.key;
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this.secret = config.secret;
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this.currency = config.currency.toUpperCase()
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this.asset = config.asset.toUpperCase();
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}
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this.pair = this.asset + "-" + this.currency;
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this.name = 'coingi';
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this.since = null;
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this.coingi = new Coingi(
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this.key,
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this.secret,
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{timeout: +moment.duration(60, 'seconds')}
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);
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}
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var retryCritical = {
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retries: 10,
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factor: 1.2,
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minTimeout: 1 * 1000,
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maxTimeout: 30 * 1000
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};
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var retryForever = {
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forever: true,
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factor: 1.2,
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minTimeout: 10,
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maxTimeout: 30
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};
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var recoverableErrors = new RegExp(/(SOCKETTIMEDOUT|TIMEDOUT|CONNRESET|CONNREFUSED|NOTFOUND|API:Invalid nonce|Service:Unavailable|Request timed out|Response code 520|Response code 504|Response code 502)/)
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Trader.prototype.processError = function (funcName, error) {
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if (!error)
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return undefined;
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if (!error.message.match(recoverableErrors)) {
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log.error(`[coingi.js] (${funcName}) returned an irrecoverable error: ${error.message}`);
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return new Errors.AbortError('[coingi.js] ' + error.message);
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}
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log.debug(`[coingi.js] (${funcName}) returned an error, retrying: ${error.message}`);
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return new Errors.RetryError('[coingi.js] ' + error.message);
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};
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Trader.prototype.handleResponse = function (funcName, callback) {
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return (error, body) => {
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if (!error) {
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if (_.isEmpty(body))
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error = new Error('NO DATA WAS RETURNED');
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else if (!_.isEmpty(body.error))
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error = new Error(body.error);
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}
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return callback(this.processError(funcName, error), body);
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}
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};
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/* PORTFOLIO MANAGER */
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Trader.prototype.getTicker = function (callback) {
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var setTicker = function (err, data) {
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if (err)
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return callback(err);
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var ticker = {
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ask: data.asks[0].price,
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bid: data.bids[0].price
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};
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callback(undefined, ticker);
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};
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let handler = (cb) => this.coingi.api('order-book', "/" + this.pair + "/1/1/1", this.handleResponse('getTicker', cb));
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util.retryCustom(retryForever, _.bind(handler, this), _.bind(setTicker, this));
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};
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Trader.prototype.getTrades = function (since, callback, ascending) {
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var startTs = since ? moment(since).valueOf() : null;
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var processResults = function (err, trades) {
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if (err) {
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return callback(err);
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}
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var parsedTrades = [];
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_.each(trades, function (trade) {
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// Even when you supply 'since' you can still get more trades than you asked for, it needs to be filtered
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if (_.isNull(startTs) || startTs < moment(trade.timestamp).valueOf()) {
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parsedTrades.push({
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type: trade.type === 0 ? "sell" : "buy",
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date: moment(trade.timestamp).unix(),
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amount: String(trade.amount),
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price: String(trade.price),
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tid: trade.timestamp
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});
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}
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}, this);
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if(ascending)
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callback(undefined, parsedTrades);
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else
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callback(undefined, parsedTrades.reverse());
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};
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var optionalSince = "";
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if (since) {
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optionalSince = "/" + startTs;
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}
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let handler = (cb) => this.coingi.api('transactions', "/" + this.pair + "/512" + optionalSince, this.handleResponse('getTrades', cb));
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util.retryCustom(retryForever, _.bind(handler, this), _.bind(processResults, this));
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};
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Trader.prototype.getPortfolio = function (callback) {
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var setBalance = function (err, data) {
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if (err)
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return callback(err);
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log.debug('[coingi.js] entering "setBalance" callback after coingi-api call, data:', data);
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const portfolio = [];
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for (var i = 0; i < data.length; i++) {
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portfolio.push({
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name: data[i].currency.name.toUpperCase(),
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amount: data[i].available
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});
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}
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return callback(undefined, portfolio);
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};
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let handler = (cb) => this.coingi.api('balance', {currencies: this.asset + "," + this.currency}, this.handleResponse('getPortfolio', cb));
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util.retryCustom(retryForever, _.bind(handler, this), _.bind(setBalance, this));
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};
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// Base fee is 0.2%
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Trader.prototype.getFee = function (callback) {
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const fee = 0.2;
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callback(undefined, fee / 100);
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};
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Trader.prototype.addOrder = function (tradeType, amount, price, callback) {
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log.debug('[coingi.js] (add-order)', tradeType.toUpperCase(), amount, this.asset, '@', price, this.currency);
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var setOrder = function (err, data) {
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if (err)
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return callback(err);
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var uuid = data.result;
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log.debug('[coingi.js] (addOrder) added order with uuid:', uuid);
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callback(undefined, uuid);
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};
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let reqData = {
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currencyPair: this.pair,
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type: tradeType.toLowerCase() === "sell" ? 0 : 1,
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price: price,
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volume: amount.toString()
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};
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let handler = (cb) => this.coingi.api('add-order', reqData, this.handleResponse('addOrder', cb));
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util.retryCustom(retryCritical, _.bind(handler, this), _.bind(setOrder, this));
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};
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Trader.prototype.getOrder = function (orderId, callback) {
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var getOrder = function (err, order) {
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if (err)
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return callback(err);
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if (order !== null) {
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const price = parseFloat(order.price);
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const amount = parseFloat(order.baseAmount);
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const date = moment.unix(order.timestamp);
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callback(undefined, {price, amount, date});
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} else {
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log.error("Error! Order ID '" + orderId + "' couldn't be found in the result of get order!");
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}
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};
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let reqData = {ordeId: orderId};
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let handler = (cb) => this.coingi.api('get-order', reqData, this.handleResponse('getOrder', cb));
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util.retryCustom(retryCritical, _.bind(handler, this), _.bind(getOrder, this));
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}
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Trader.prototype.buy = function (amount, price, callback) {
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this.addOrder('buy', amount, price, callback);
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};
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Trader.prototype.sell = function (amount, price, callback) {
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this.addOrder('sell', amount, price, callback);
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};
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Trader.prototype.checkOrder = function (orderId, callback) {
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var check = function (err, order) {
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if (err)
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return callback(err);
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if (order === null) {
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log.error("Error! Order ID '" + orderId + "' couldn't be found in the result of get order!");
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}
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// returns true when the order has been filled (processed in full), false otherwise
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callback(undefined, order !== null && order.status === 2);
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};
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let reqData = {orderId: orderId};
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let handler = (cb) => this.coingi.api('get-order', reqData, this.handleResponse('checkOrder', cb));
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util.retryCustom(retryCritical, _.bind(handler, this), _.bind(check, this));
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};
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Trader.prototype.cancelOrder = function (order, callback) {
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let reqData = {orderId: order};
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let handler = (cb) => this.coingi.api('cancel-order', reqData, this.handleResponse('cancelOrder', cb));
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util.retryCustom(retryForever, _.bind(handler, this), callback);
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};
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Trader.getCapabilities = function () {
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return {
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name: 'Coingi',
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slug: 'coingi',
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currencies: ['EUR', 'USD', 'BTC'],
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assets: ['BTC', 'DASH', 'DOGE', 'EUR', 'LTC', 'NMC', 'PPC', 'VTC'],
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markets: [
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// Tradeable against BTC
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{pair: ['USD', 'BTC'], minimalOrder: {amount: 0.00001, unit: 'asset'}, precision: 8},
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{pair: ['EUR', 'BTC'], minimalOrder: {amount: 0.00001, unit: 'asset'}, precision: 8},
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// Tradeable against DASH
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{pair: ['BTC', 'DASH'], minimalOrder: {amount: 0.00001, unit: 'asset'}, precision: 8},
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// Tradeable against DOGE
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{pair: ['BTC', 'DOGE'], minimalOrder: {amount: 0.00001, unit: 'asset'}, precision: 8},
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{pair: ['USD', 'DOGE'], minimalOrder: {amount: 0.00001, unit: 'asset'}, precision: 8},
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// Tradeable against EUR
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{pair: ['USD', 'EUR'], minimalOrder: {amount: 0.01, unit: 'asset'}, precision: 2},
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// Tradeable against LTC
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{pair: ['BTC', 'LTC'], minimalOrder: {amount: 0.00001, unit: 'asset'}, precision: 8},
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{pair: ['EUR', 'LTC'], minimalOrder: {amount: 0.00001, unit: 'asset'}, precision: 8},
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{pair: ['USD', 'LTC'], minimalOrder: {amount: 0.00001, unit: 'asset'}, precision: 8},
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// Tradeable against NMC
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{pair: ['BTC', 'NMC'], minimalOrder: {amount: 0.00001, unit: 'asset'}, precision: 8},
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// Tradeable against PPC
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{pair: ['USD', 'PPC'], minimalOrder: {amount: 0.00001, unit: 'asset'}, precision: 8},
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{pair: ['EUR', 'PPC'], minimalOrder: {amount: 0.00001, unit: 'asset'}, precision: 8},
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{pair: ['BTC', 'PPC'], minimalOrder: {amount: 0.00001, unit: 'asset'}, precision: 8},
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// Tradeable against VTC
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{pair: ['BTC', 'VTC'], minimalOrder: {amount: 0.00001, unit: 'asset'}, precision: 8}
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],
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requires: ['key', 'secret'],
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providesHistory: 'date',
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providesFullHistory: true,
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exchangeMaxHistoryAge: 30,
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tid: 'date',
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tradable: true
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};
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}
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module.exports = Trader;
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