@madnai/ccxt
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A JavaScript / Python / PHP cryptocurrency trading library with support for 130+ exchanges
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JavaScript
'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ArgumentsRequired } = require ('./base/errors');
// ---------------------------------------------------------------------------
module.exports = class coss extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'coss',
'name': 'COSS',
'countries': [ 'SG', 'NL' ],
'rateLimit': 1000,
'version': 'v1',
'certified': false,
'urls': {
'logo': 'https://user-images.githubusercontent.com/51840849/87443313-008fa380-c5fe-11ea-8400-34d4749c7da5.jpg',
'api': {
'trade': 'https://trade.coss.io/c/api/v1',
'engine': 'https://engine.coss.io/api/v1',
'public': 'https://trade.coss.io/c/api/v1',
'web': 'https://trade.coss.io/c', // undocumented
'exchange': 'https://exchange.coss.io/api',
},
'www': 'https://www.coss.io',
'doc': 'https://api.coss.io/v1/spec',
'referral': 'https://www.coss.io/c/reg?r=OWCMHQVW2Q',
},
'has': {
'fetchTrades': true,
'fetchTicker': true,
'fetchTickers': true,
'fetchMarkets': true,
'fetchCurrencies': true,
'fetchBalance': true,
'fetchOrderBook': true,
'fetchOrder': true,
'fetchOrders': true,
'fetchOrderTrades': true,
'fetchClosedOrders': true,
'fetchOpenOrders': true,
'fetchOHLCV': true,
'createOrder': true,
'cancelOrder': true,
},
'timeframes': {
'1m': '1m',
'5m': '5m',
'15m': '15m',
'30m': '30m',
'1h': '1h',
'2h': '2h',
'4h': '4h',
'6h': '6h',
'12h': '12h',
'1d': '1d',
'1w': '1w',
},
'api': {
'exchange': {
'get': [
'getmarketsummaries',
],
},
'public': {
'get': [
'market-price',
'exchange-info',
],
},
'web': {
'get': [
'coins/getinfo/all', // undocumented
'order/symbols', // undocumented
'coins/get_base_list', // undocumented
],
},
'engine': {
'get': [
'dp',
'ht',
'cs',
],
},
'trade': {
'get': [
'ping',
'time',
'account/balances',
'account/details',
],
'post': [
'order/add',
'order/details',
'order/list/open',
'order/list/completed',
'order/list/all',
'order/trade-detail',
],
'delete': [
'order/cancel',
],
},
},
'fees': {
'trading': {
'tierBased': true,
'percentage': true,
'taker': 0.0025,
'maker': 0.0,
},
'funding': {
'tierBased': false,
'percentage': false,
'withdraw': {},
'deposit': {},
},
},
'commonCurrencies': {
'COS': 'COSS',
'COSS': 'COSS.io',
},
});
}
async fetchMarkets (params = {}) {
const response = await this.publicGetExchangeInfo (params);
//
// { timezone: "UTC",
// server_time: 1545171487108,
// rate_limits: [ { type: "REQUESTS",
// interval: "MINUTE",
// limit: 1000 } ],
// base_currencies: [ { currency_code: "BTC", minimum_total_order: "0.0001" },
// { currency_code: "USDT", minimum_total_order: "1" },
// { currency_code: "EUR", minimum_total_order: "1" } ],
// coins: [ { currency_code: "ADI",
// name: "Aditus",
// minimum_order_amount: "0.00000001" },
// ...
// { currency_code: "NPXSXEM",
// name: "PundiX-XEM",
// minimum_order_amount: "0.00000001" } ],
// symbols: [ { symbol: "ADI_BTC",
// amount_limit_decimal: 0,
// price_limit_decimal: 8,
// allow_trading: true },
// ...
// { symbol: "ETH_GUSD",
// amount_limit_decimal: 5,
// price_limit_decimal: 3,
// allow_trading: true } ] }
//
const result = [];
const markets = this.safeValue (response, 'symbols', []);
const baseCurrencies = this.safeValue (response, 'base_currencies', []);
const baseCurrenciesByIds = this.indexBy (baseCurrencies, 'currency_code');
const currencies = this.safeValue (response, 'coins', []);
const currenciesByIds = this.indexBy (currencies, 'currency_code');
for (let i = 0; i < markets.length; i++) {
const market = markets[i];
const marketId = market['symbol'];
const [ baseId, quoteId ] = marketId.split ('_');
const base = this.safeCurrencyCode (baseId);
const quote = this.safeCurrencyCode (quoteId);
const symbol = base + '/' + quote;
const precision = {
'amount': this.safeInteger (market, 'amount_limit_decimal'),
'price': this.safeInteger (market, 'price_limit_decimal'),
};
const active = this.safeValue (market, 'allow_trading', false);
const baseCurrency = this.safeValue (baseCurrenciesByIds, baseId, {});
const minCost = this.safeFloat (baseCurrency, 'minimum_total_order');
const currency = this.safeValue (currenciesByIds, baseId, {});
const defaultMinAmount = Math.pow (10, -precision['amount']);
const minAmount = this.safeFloat (currency, 'minimum_order_amount', defaultMinAmount);
result.push ({
'symbol': symbol,
'id': marketId,
'baseId': baseId,
'quoteId': quoteId,
'base': base,
'quote': quote,
'active': active,
'precision': precision,
'limits': {
'amount': {
'min': minAmount,
'max': undefined,
},
'price': {
'min': undefined,
'max': undefined,
},
'cost': {
'min': minCost,
'max': undefined,
},
},
'info': market,
});
}
return result;
}
async fetchCurrencies (params = {}) {
const response = await this.webGetCoinsGetinfoAll (params);
//
// [ { currency_code: "VET",
// name: "VeChain",
// buy_limit: 0,
// sell_limit: 0,
// usdt: 0,
// transaction_time_limit: 5,
// status: "trade",
// withdrawn_fee: "0.6",
// minimum_withdrawn_amount: "1.2",
// minimum_deposit_amount: "0.6",
// minimum_order_amount: "0.00000001",
// decimal_format: "0.########",
// token_type: null, // "erc", "eos", "stellar", "tron", "ripple"...
// buy_at: 0,
// sell_at: 0,
// min_rate: 0,
// max_rate: 0,
// allow_withdrawn: false,
// allow_deposit: false,
// explorer_website_mainnet_link: null,
// explorer_website_testnet_link: null,
// deposit_block_confirmation: "6",
// withdraw_block_confirmation: "0",
// icon_url: "https://s2.coinmarketcap.com/static/img/coins/32x32/3077.png",
// is_fiat: false,
// allow_sell: true,
// allow_buy: true }]
//
const result = {};
for (let i = 0; i < response.length; i++) {
const currency = response[i];
const currencyId = this.safeString (currency, 'currency_code');
const code = this.safeCurrencyCode (currencyId);
const name = this.safeString (currency, 'name');
const allowBuy = this.safeValue (currency, 'allow_buy');
const allowSell = this.safeValue (currency, 'allow_sell');
const allowWithdrawals = this.safeValue (currency, 'allow_withdrawn');
const allowDeposits = this.safeValue (currency, 'allow_deposit');
const active = allowBuy && allowSell && allowWithdrawals && allowDeposits;
const fee = this.safeFloat (currency, 'withdrawn_fee');
const type = this.safeString (currency, 'token_type');
//
// decimal_format can be anything...
//
// 0.########
// #.########
// 0.##
// '' (empty string)
// 0.000000
// null (undefined)
// 0.0000
// 0.###
//
const decimalFormat = this.safeString (currency, 'decimal_format');
let precision = 8;
if (decimalFormat !== undefined) {
const parts = decimalFormat.split ('.');
const numParts = parts.length; // transpiler workaround for array lengths
if (numParts > 1) {
if (parts[1].length > 1) {
precision = parts[1].length;
}
}
}
result[code] = {
'id': currencyId,
'code': code,
'info': currency,
'name': name,
'active': active,
'fee': fee,
'precision': precision,
'type': type,
'limits': {
'amount': {
'min': this.safeFloat (currency, 'minimum_order_amount'),
'max': undefined,
},
'withdraw': {
'min': this.safeFloat (currency, 'minimum_withdrawn_amount'),
'max': undefined,
},
},
};
}
return result;
}
async fetchBalance (params = {}) {
await this.loadMarkets ();
const response = await this.tradeGetAccountBalances (params);
//
// [ { currency_code: "ETH",
// address: "0x6820511d43111a941d3e187b9e36ec64af763bde", // deposit address
// total: "0.20399125",
// available: "0.20399125",
// in_order: "0",
// memo: null }, // tag, if any
// { currency_code: "ICX",
// address: "",
// total: "0",
// available: "0",
// in_order: "0",
// memo: null } ]
//
const result = {};
for (let i = 0; i < response.length; i++) {
const balance = response[i];
const currencyId = this.safeString (balance, 'currency_code');
const code = this.safeCurrencyCode (currencyId);
const total = this.safeFloat (balance, 'total');
const used = this.safeFloat (balance, 'in_order');
const free = this.safeFloat (balance, 'available');
result[code] = {
'total': total,
'used': used,
'free': free,
};
}
return this.parseBalance (result);
}
parseOHLCV (ohlcv, market = undefined) {
//
// [
// 1545138960000,
// "0.02705000",
// "0.02705000",
// "0.02705000",
// "0.02705000",
// "0.00000000"
// ]
//
return [
this.safeInteger (ohlcv, 0), // timestamp
this.safeFloat (ohlcv, 1), // Open
this.safeFloat (ohlcv, 2), // High
this.safeFloat (ohlcv, 3), // Low
this.safeFloat (ohlcv, 4), // Close
this.safeFloat (ohlcv, 5), // base Volume
];
}
async fetchOHLCV (symbol, timeframe = '1m', since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'symbol': market['id'],
'tt': this.timeframes[timeframe],
};
const response = await this.engineGetCs (this.extend (request, params));
//
// {
// tt: "1m",
// symbol: "ETH_BTC",
// nextTime: 1545138960000,
// series: [
// [
// 1545138960000,
// "0.02705000",
// "0.02705000",
// "0.02705000",
// "0.02705000",
// "0.00000000"
// ],
// ],
// limit: 500
// }
//
const series = this.safeValue (response, 'series', []);
return this.parseOHLCVs (series, market, timeframe, since, limit);
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
await this.loadMarkets ();
const marketId = this.marketId (symbol);
const request = { 'symbol': marketId };
// limit argument is not supported on COSS's end
const response = await this.engineGetDp (this.extend (request, params));
//
// { symbol: "COSS_ETH",
// asks: [ ["0.00065200", "214.15000000"],
// ["0.00065300", "645.45000000"],
// ...
// ["0.00076400", "380.00000000"],
// ["0.00076900", "25.00000000"] ],
// limit: 100,
// bids: [ ["0.00065100", "666.99000000"],
// ["0.00065000", "1171.93000000"],
// ...
// ["0.00037700", "3300.00000000"],
// ["0.00037600", "2010.82000000"] ],
// time: 1545180569354 }
//
const timestamp = this.safeInteger (response, 'time');
return this.parseOrderBook (response, timestamp);
}
parseTicker (ticker, market = undefined) {
//
// { MarketName: "COSS-ETH",
// High: 0.00066,
// Low: 0.000628,
// BaseVolume: 131.09652674,
// Last: 0.000636,
// TimeStamp: "2018-12-19T05:16:41.369Z",
// Volume: 206126.6143710692,
// Ask: "0.00063600",
// Bid: "0.00063400",
// PrevDay: 0.000636 }
//
const timestamp = this.parse8601 (this.safeString (ticker, 'TimeStamp'));
let marketId = this.safeString (ticker, 'MarketName');
if (marketId !== undefined) {
marketId = marketId.replace ('-', '_');
}
const symbol = this.safeSymbol (marketId, market, '_');
const previous = this.safeFloat (ticker, 'PrevDay');
const last = this.safeFloat (ticker, 'Last');
let change = undefined;
let percentage = undefined;
if (last !== undefined) {
if (previous !== undefined) {
change = last - previous;
if (previous > 0) {
percentage = (change / previous) * 100;
}
}
}
return {
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': this.safeFloat (ticker, 'High'),
'low': this.safeFloat (ticker, 'Low'),
'bid': this.safeFloat (ticker, 'Bid'),
'bidVolume': undefined,
'ask': this.safeFloat (ticker, 'Ask'),
'askVolume': undefined,
'vwap': undefined,
'open': previous,
'close': last,
'last': last,
'previousClose': undefined,
'change': change,
'percentage': percentage,
'average': undefined,
'baseVolume': this.safeFloat (ticker, 'Volume'),
'quoteVolume': this.safeFloat (ticker, 'BaseVolume'),
'info': ticker,
};
}
async fetchTickers (symbols = undefined, params = {}) {
await this.loadMarkets ();
const response = await this.exchangeGetGetmarketsummaries (params);
//
// { success: true,
// message: "",
// result: [ { MarketName: "COSS-ETH",
// High: 0.00066,
// Low: 0.000628,
// BaseVolume: 131.09652674,
// Last: 0.000636,
// TimeStamp: "2018-12-19T05:16:41.369Z",
// Volume: 206126.6143710692,
// Ask: "0.00063600",
// Bid: "0.00063400",
// PrevDay: 0.000636 },
// ...
// { MarketName: "XLM-BTC",
// High: 0.0000309,
// Low: 0.0000309,
// BaseVolume: 0,
// Last: 0.0000309,
// TimeStamp: "2018-12-19T02:00:02.145Z",
// Volume: 0,
// Ask: "0.00003300",
// Bid: "0.00003090",
// PrevDay: 0.0000309 } ],
// volumes: [ { CoinName: "ETH", Volume: 668.1928095999999 }, // these are overall exchange volumes
// { CoinName: "USD", Volume: 9942.58480324 },
// { CoinName: "BTC", Volume: 43.749184570000004 },
// { CoinName: "COSS", Volume: 909909.26644574 },
// { CoinName: "EUR", Volume: 0 },
// { CoinName: "TUSD", Volume: 2613.3395026999997 },
// { CoinName: "USDT", Volume: 1017152.07416519 },
// { CoinName: "GUSD", Volume: 1.80438 },
// { CoinName: "XRP", Volume: 15.95508 },
// { CoinName: "GBP", Volume: 0 },
// { CoinName: "USDC", Volume: 0 } ],
// t: 1545196604371 }
//
const tickers = this.safeValue (response, 'result', []);
const result = {};
for (let i = 0; i < tickers.length; i++) {
const ticker = this.parseTicker (tickers[i]);
const symbol = ticker['symbol'];
result[symbol] = ticker;
}
return this.filterByArray (result, 'symbol', symbols);
}
async fetchTicker (symbol, params = {}) {
const tickers = await this.fetchTickers ([ symbol ], params);
return tickers[symbol];
}
async fetchTrades (symbol, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'symbol': market['id'],
};
const response = await this.engineGetHt (this.extend (request, params));
//
// { symbol: "COSS_ETH",
// limit: 100,
// history: [ { id: 481321,
// price: "0.00065100",
// qty: "272.92000000",
// isBuyerMaker: false,
// time: 1545180845019 },
// { id: 481322,
// price: "0.00065200",
// qty: "1.90000000",
// isBuyerMaker: true,
// time: 1545180847535 },
// ...
// { id: 481420,
// price: "0.00065300",
// qty: "2.00000000",
// isBuyerMaker: true,
// time: 1545181167702 } ],
// time: 1545181171274 }
//
return this.parseTrades (response['history'], market, since, limit);
}
parseTradeFee (fee) {
if (fee === undefined) {
return fee;
}
const parts = fee.split (' ');
const numParts = parts.length;
const cost = parts[0];
let code = undefined;
if (numParts > 1) {
code = this.safeCurrencyCode (parts[1]);
}
return {
'cost': cost,
'currency': code,
};
}
parseTrade (trade, market = undefined) {
//
// fetchTrades (public)
//
// { id: 481322,
// price: "0.00065200",
// qty: "1.90000000",
// isBuyerMaker: true,
// time: 1545180847535 }
//
// fetchOrderTrades (private)
//
// [ { hex_id: null,
// symbol: "COSS_ETH",
// order_id: "ad6f6b47-3def-4add-a5d5-2549a9df1593",
// order_side: "BUY",
// price: "0.00065900",
// quantity: "10",
// fee: "0.00700000 COSS",
// additional_fee: "0.00000461 ETH",
// total: "0.00659000 ETH",
// timestamp: 1545152356075 } ]
//
const id = this.safeString (trade, 'id');
const timestamp = this.safeInteger (trade, 'time');
const orderId = this.safeString (trade, 'order_id');
const side = this.safeStringLower (trade, 'order_side');
const marketId = this.safeString (trade, 'symbol');
const symbol = this.safeSymbol (marketId, market, '_');
let cost = undefined;
const price = this.safeFloat (trade, 'price');
const amount = this.safeFloat2 (trade, 'qty', 'quantity');
if (amount !== undefined) {
if (price !== undefined) {
cost = price * amount;
}
}
const result = {
'id': id,
'info': trade,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': symbol,
'order': orderId,
'type': undefined,
'side': side,
'takerOrMaker': undefined,
'price': price,
'amount': amount,
'cost': cost,
'fee': undefined,
};
const fee = this.parseTradeFee (this.safeString (trade, 'fee'));
if (fee !== undefined) {
const additionalFee = this.parseTradeFee (this.safeString (trade, 'additional_fee'));
if (additionalFee === undefined) {
result['fee'] = fee;
} else {
result['fees'] = [
fee,
additionalFee,
];
}
}
return result;
}
async fetchOrdersByType (type, symbol = undefined, since = undefined, limit = undefined, params = {}) {
if (symbol === undefined) {
throw new ArgumentsRequired (this.id + ' fetchOrders requires a symbol argument');
}
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
// 'from_id': 'b2a2d379-f9b6-418b-9414-cbf8330b20d1', // string (uuid), fetchOrders (all orders) only
// 'page': 0, // different pagination in fetchOpenOrders and fetchClosedOrders
// 'limit': 50, // optional, max = default = 50
'symbol': market['id'], // required
};
if (limit !== undefined) {
request['limit'] = limit; // max = default = 50
}
const method = 'tradePostOrderList' + type;
const response = await this[method] (this.extend (request, params));
//
// fetchOrders, fetchClosedOrders
//
// [ { hex_id: "5c192784330fe51149f556bb",
// order_id: "5e46e1b1-93d5-4656-9b43-a5635b08eae9",
// account_id: "a0c20128-b9e0-484e-9bc8-b8bb86340e5b",
// order_symbol: "COSS_ETH",
// order_side: "BUY",
// status: "filled",
// createTime: 1545152388019,
// type: "limit",
// timeMatching: 0,
// order_price: "0.00065900",
// order_size: "10",
// executed: "10",
// stop_price: "0.00000000",
// avg: "0.00065900",
// total: "0.00659000 ETH" } ]
//
// fetchOpenOrders
//
// {
// "total": 2,
// "list": [
// {
// "order_id": "9e5ae4dd-3369-401d-81f5-dff985e1c4ty",
// "account_id": "9e5ae4dd-3369-401d-81f5-dff985e1c4a6",
// "order_symbol": "eth-btc",
// "order_side": "BUY",
// "status": "OPEN",
// "createTime": 1538114348750,
// "type": "limit",
// "order_price": "0.12345678",
// "order_size": "10.12345678",
// "executed": "0",
// "stop_price": "02.12345678",
// "avg": "1.12345678",
// "total": "2.12345678"
// }
// ]
// }
//
// the following code is to handle the above difference in response formats
let orders = undefined;
if (Array.isArray (response)) {
orders = response;
} else {
orders = this.safeValue (response, 'list', []);
}
return this.parseOrders (orders, market, since, limit);
}
async fetchOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
return await this.fetchOrdersByType ('All', symbol, since, limit, params);
}
async fetchClosedOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
return await this.fetchOrdersByType ('Completed', symbol, since, limit, params);
}
async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
return await this.fetchOrdersByType ('Open', symbol, since, limit, params);
}
async fetchOrder (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
const request = {
'order_id': id,
};
const response = await this.tradePostOrderDetails (this.extend (request, params));
return this.parseOrder (response);
}
async fetchOrderTrades (id, symbol = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
let market = undefined;
if (symbol !== undefined) {
market = this.market (symbol);
}
const request = {
'order_id': id,
};
const response = await this.tradePostOrderTradeDetail (this.extend (request, params));
//
// [ { hex_id: null,
// symbol: "COSS_ETH",
// order_id: "ad6f6b47-3def-4add-a5d5-2549a9df1593",
// order_side: "BUY",
// price: "0.00065900",
// quantity: "10",
// fee: "0.00700000 COSS",
// additional_fee: "0.00000461 ETH",
// total: "0.00659000 ETH",
// timestamp: 1545152356075 } ]
//
return this.parseTrades (response, market, since, limit);
}
parseOrderStatus (status) {
if (status === undefined) {
return status;
}
const statuses = {
'OPEN': 'open',
'CANCELLED': 'canceled',
'FILLED': 'closed',
'PARTIAL_FILL': 'closed',
'CANCELLING': 'open',
};
return this.safeString (statuses, status.toUpperCase (), status);
}
parseOrder (order, market = undefined) {
//
// { hex_id: "5c192784330fe51149f556bb", // missing in fetchOpenOrders
// order_id: "5e46e1b1-93d5-4656-9b43-a5635b08eae9",
// account_id: "a0c20128-b9e0-484e-9bc8-b8bb86340e5b",
// order_symbol: "COSS_ETH", // coss-eth in docs
// order_side: "BUY",
// status: "filled",
// createTime: 1545152388019,
// type: "limit",
// timeMatching: 0, // missing in fetchOpenOrders
// order_price: "0.00065900",
// order_size: "10",
// executed: "10",
// stop_price: "0.00000000",
// avg: "0.00065900",
// total: "0.00659000 ETH" }
//
const id = this.safeString (order, 'order_id');
let marketId = this.safeString (order, 'order_symbol');
if (marketId !== undefined) {
marketId = marketId.replace ('-', '_');
}
const symbol = this.safeSymbol (marketId, market, '_');
const timestamp = this.safeInteger (order, 'createTime');
const status = this.parseOrderStatus (this.safeString (order, 'status'));
const price = this.safeFloat (order, 'order_price');
const filled = this.safeFloat (order, 'executed');
const type = this.safeString (order, 'type');
const amount = this.safeFloat (order, 'order_size');
let remaining = undefined;
if (amount !== undefined) {
if (filled !== undefined) {
remaining = amount - filled;
}
}
const average = this.safeFloat (order, 'avg');
const side = this.safeStringLower (order, 'order_side');
const cost = this.safeFloat (order, 'total');
const fee = undefined;
const trades = undefined;
return {
'info': order,
'id': id,
'clientOrderId': undefined,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'lastTradeTimestamp': undefined,
'symbol': symbol,
'type': type,
'side': side,
'price': price,
'amount': amount,
'cost': cost,
'average': average,
'filled': filled,
'remaining': remaining,
'status': status,
'fee': fee,
'trades': trades,
};
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'order_symbol': market['id'],
'order_size': this.amountToPrecision (symbol, amount),
'order_side': side.toUpperCase (),
'type': type,
};
if (price !== undefined) {
request['order_price'] = this.priceToPrecision (symbol, price);
}
const response = await this.tradePostOrderAdd (this.extend (request, params));
//
// {
// "order_id": "9e5ae4dd-3369-401d-81f5-dff985e1c4ty",
// "account_id": "9e5ae4dd-3369-401d-81f5-dff985e1c4a6",
// "order_symbol": "eth-btc",
// "order_side": "BUY",
// "status": "OPEN",
// "createTime": 1538114348750,
// "type": "limit",
// "order_price": "0.12345678",
// "order_size": "10.12345678",
// "executed": "0",
// "stop_price": "02.12345678",
// "avg": "1.12345678",
// "total": "2.12345678"
// }
//
return this.parseOrder (response, market);
}
async cancelOrder (id, symbol = undefined, params = {}) {
if (symbol === undefined) {
throw new ArgumentsRequired (this.id + ' cancelOrder requires a symbol argument');
}
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'order_id': id,
'order_symbol': market['id'],
};
const response = await this.tradeDeleteOrderCancel (this.extend (request, params));
//
// { order_symbol: "COSS_ETH",
// order_id: "30f2d698-39a0-4b9f-a3a6-a179542373bd",
// order_size: 0,
// account_id: "a0c20128-b9e0-484e-9bc8-b8bb86340e5b",
// timestamp: 1545202728814,
// recvWindow: null }
//
return this.parseOrder (response);
}
nonce () {
return this.milliseconds ();
}
sign (path, api = 'public', method = 'GET', params = {}, headers = undefined, body = undefined) {
let url = this.urls['api'][api] + '/' + path;
if (api === 'trade') {
this.checkRequiredCredentials ();
const timestamp = this.nonce ();
const query = this.extend ({
'timestamp': timestamp, // required (int64)
// 'recvWindow': 10000, // optional (int32)
}, params);
let request = undefined;
if (method === 'GET') {
request = this.urlencode (query);
url += '?' + request;
} else {
request = this.json (query);
body = request;
}
headers = {
'Signature': this.hmac (this.encode (request), this.encode (this.secret)),
'Authorization': this.apiKey,
'X-Requested-With': 'XMLHttpRequest',
};
} else {
if (Object.keys (params).length) {
url += '?' + this.urlencode (params);
}
}
return { 'url': url, 'method': method, 'body': body, 'headers': headers };
}
};