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aofex.js
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'use strict';
// ---------------------------------------------------------------------------
const Exchange = require ('./base/Exchange');
const { ArgumentsRequired, ExchangeError, BadSymbol, InvalidOrder, PermissionDenied, InvalidAddress, AuthenticationError, InvalidNonce, BadRequest, InsufficientFunds, OrderNotFound } = require ('./base/errors');
const { TRUNCATE } = require ('./base/functions/number');
// ---------------------------------------------------------------------------
module.exports = class aofex extends Exchange {
describe () {
return this.deepExtend (super.describe (), {
'id': 'aofex',
'name': 'AOFEX',
'countries': [ 'GB' ],
'rateLimit': 1000,
'has': {
'fetchMarkets': true,
'fetchCurrencies': false,
'fetchOrderBook': true,
'fetchTrades': true,
'fetchTicker': true,
'fetchTickers': true,
'fetchOHLCV': true,
'fetchBalance': true,
'createOrder': true,
'cancelOrder': true,
'cancelAllOrders': true,
'fetchOpenOrders': true,
'fetchClosedOrders': true,
'fetchClosedOrder': true,
'fetchOrderTrades': true,
'fetchTradingFee': true,
},
'timeframes': {
'1m': '1min',
'5m': '5min',
'15m': '15min',
'30m': '30min',
'1h': '1hour',
'6h': '6hour',
'12h': '12hour',
'1d': '1day',
'1w': '1week',
},
'urls': {
'logo': 'https://user-images.githubusercontent.com/51840849/77670271-056d1080-6f97-11ea-9ac2-4268e9ed0c1f.jpg',
'api': {
'public': 'https://openapi.aofex.com/openApi',
'private': 'https://openapi.aofex.com/openApi',
},
'www': 'https://aofex.com',
'doc': 'https://aofex.zendesk.com/hc/en-us/sections/360005576574-API',
'fees': 'https://aofex.zendesk.com/hc/en-us/articles/360025814934-Fees-on-AOFEX',
'referral': 'https://aofex.com/#/register?key=9763840',
},
'api': {
'public': {
'get': [
'market/symbols',
'market/trade',
'market/depth',
'market/kline',
'market/precision',
'market/24kline',
'market/gears_depth',
'market/detail',
],
},
'private': {
'get': [
'entrust/currentList',
'entrust/historyList',
'entrust/rate',
'wallet/list',
'entrust/detail',
],
'post': [
'entrust/add',
'entrust/cancel',
],
},
},
'fees': {
'trading': {
'maker': 0.0019,
'taker': 0.002,
},
},
'exceptions': {
'exact': {
'20001': ExchangeError, // request failure
'20401': PermissionDenied, // no permission
'20500': ExchangeError, // system error
'20501': BadSymbol, // base symbol error
'20502': ExchangeError, // base currency error
'20503': ExchangeError, // base date error
'20504': InsufficientFunds, // account frozen balance insufficient error
'20505': BadRequest, // bad argument
'20506': AuthenticationError, // api signature not valid
'20507': ExchangeError, // gateway internal error
'20508': InvalidAddress, // ad ethereum addresss
'20509': InsufficientFunds, // order accountbalance error
'20510': InvalidOrder, // order limitorder price error
'20511': InvalidOrder, // order limitorder amount error
'20512': InvalidOrder, // order orderprice precision error
'20513': InvalidOrder, // order orderamount precision error
'20514': InvalidOrder, // order marketorder amount error
'20515': InvalidOrder, // order queryorder invalid
'20516': InvalidOrder, // order orderstate error
'20517': InvalidOrder, // order datelimit error
'50518': InvalidOrder, // order update error
'20519': InvalidNonce, // the nonce has been used
'20520': InvalidNonce, // nonce expires, please verify server time
'20521': BadRequest, // incomplete header parameters
'20522': ExchangeError, // not getting the current user
'20523': AuthenticationError, // please authenticate
'20524': PermissionDenied, // btc account lockout
'20525': AuthenticationError, // get API Key error
'20526': PermissionDenied, // no query permission
'20527': PermissionDenied, // no deal permission
'20528': PermissionDenied, // no withdrawal permission
'20529': AuthenticationError, // API Key expired
'20530': PermissionDenied, // no permission
},
'broad': {
},
},
'options': {
'fetchBalance': {
'show_all': '0', // '1' to show zero balances
},
},
});
}
async fetchMarkets (params = {}) {
let markets = await this.publicGetMarketSymbols (params);
//
// {
// errno: 0,
// errmsg: 'success',
// result: [
// {
// id: 2,
// symbol: 'BTC-USDT',
// base_currency: 'BTC',
// quote_currency: 'USDT',
// min_size: 0.00008,
// max_size: 1300,
// min_price: 1000,
// max_price: 110000,
// maker_fee: 1,
// taker_fee: 1,
// isHot: null,
// isNew: null,
// crown: null
// },
// ]
// }
//
let precisions = await this.publicGetMarketPrecision ();
//
// {
// errno: 0,
// errmsg: 'success',
// result: {
// 'MANA-USDT': {
// amount: '2',
// minQuantity: '32',
// maxQuantity: '46000000',
// price: '4',
// minPrice: '0.003',
// maxPrice: '0.35'
// },
// }
// }
//
precisions = this.safeValue (precisions, 'result', {});
markets = this.safeValue (markets, 'result', []);
const result = [];
for (let i = 0; i < markets.length; i++) {
const market = markets[i];
const id = this.safeString (market, 'symbol');
const baseId = this.safeString (market, 'base_currency');
const quoteId = this.safeString (market, 'quote_currency');
const base = this.safeCurrencyCode (baseId);
const quote = this.safeCurrencyCode (quoteId);
const symbol = base + '/' + quote;
const numericId = this.safeInteger (market, 'id');
const precision = this.safeValue (precisions, id, {});
const makerFee = this.safeFloat (market, 'maker_fee');
const takerFee = this.safeFloat (market, 'taker_fee');
result.push ({
'id': id,
'numericId': numericId,
'symbol': symbol,
'baseId': baseId,
'quoteId': quoteId,
'base': base,
'quote': quote,
'active': undefined,
'maker': makerFee / 1000,
'taker': takerFee / 1000,
'precision': {
'amount': this.safeInteger (precision, 'amount'),
'price': this.safeInteger (precision, 'price'),
},
'limits': {
'amount': {
'min': this.safeFloat (market, 'min_size'),
'max': this.safeFloat (market, 'max_size'),
},
'price': {
'min': this.safeFloat (market, 'min_price'),
'max': this.safeFloat (market, 'max_price'),
},
'cost': {
'min': undefined,
'max': undefined,
},
},
'info': market,
});
}
return result;
}
parseOHLCV (ohlcv, market = undefined) {
//
// {
// id: 1584950100,
// amount: "329.196",
// count: 81,
// open: "0.021155",
// close: "0.021158",
// low: "0.021144",
// high: "0.021161",
// vol: "6.963557767"
// }
//
return [
this.safeTimestamp (ohlcv, 'id'),
this.safeFloat (ohlcv, 'open'),
this.safeFloat (ohlcv, 'high'),
this.safeFloat (ohlcv, 'low'),
this.safeFloat (ohlcv, 'close'),
this.safeFloat (ohlcv, 'amount'),
];
}
async fetchOHLCV (symbol, timeframe = '1m', since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
if (limit === undefined) {
limit = 150; // default 150, max 2000
}
const request = {
'symbol': market['id'],
'period': this.timeframes[timeframe],
'size': limit, // default 150, max 2000
};
const response = await this.publicGetMarketKline (this.extend (request, params));
//
// {
// errno: 0,
// errmsg: "success",
// result: {
// ts: 1584950139003,
// symbol: "ETH-BTC",
// period: "1min",
// data: [
// {
// id: 1584950100,
// amount: "329.196",
// count: 81,
// open: "0.021155",
// close: "0.021158",
// low: "0.021144",
// high: "0.021161",
// vol: "6.963557767"
// },
// {
// id: 1584950040,
// amount: "513.265",
// count: 151,
// open: "0.021165",
// close: "0.021155",
// low: "0.021151",
// high: "0.02118",
// vol: "10.862806573"
// },
// ]
// }
// }
//
const result = this.safeValue (response, 'result', {});
const data = this.safeValue (result, 'data', []);
return this.parseOHLCVs (data, market, since, limit);
}
async fetchBalance (params = {}) {
await this.loadMarkets ();
const options = this.safeValue (this.options, 'fetchBalance', {});
const showAll = this.safeValue (options, 'show_all', '0');
const request = {
// 'currency': 'BTC',
'show_all': showAll, // required to show zero balances
};
const response = await this.privateGetWalletList (this.extend (request, params));
//
// {
// "errno": 0,
// "errmsg": "success",
// "result": [
// { "available": "0", "frozen": "0", "currency": "BTC" }
// ]
// }
//
const result = { 'info': response };
const balances = this.safeValue (response, 'result', []);
for (let i = 0; i < balances.length; i++) {
const balance = balances[i];
const currencyId = this.safeString (balance, 'currency');
const code = this.safeCurrencyCode (currencyId);
const account = this.account ();
account['free'] = this.safeFloat (balance, 'available');
account['used'] = this.safeFloat (balance, 'frozen');
result[code] = account;
}
return this.parseBalance (result);
}
async fetchTradingFee (symbol, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'symbol': market['id'],
};
const response = await this.privateGetEntrustRate (this.extend (request, params));
//
// {
// "errno":0,
// "errmsg":"success",
// "result": {
// "toFee":"0.002","fromFee":"0.002"
// }
// }
//
const result = this.safeValue (response, 'result', {});
return {
'info': response,
'symbol': symbol,
'maker': this.safeFloat (result, 'fromFee'),
'taker': this.safeFloat (result, 'toFee'),
};
}
async fetchOrderBook (symbol, limit = undefined, params = {}) {
await this.loadMarkets ();
const request = {
'symbol': this.marketId (symbol),
};
const response = await this.publicGetMarketDepth (this.extend (request, params));
//
// {
// errno: 0,
// errmsg: "success",
// result: {
// buyType: 1,
// sellType: 1,
// ts: 1584950701050,
// symbol: "ETH-BTC",
// asks: [
// ["0.021227", "0.182"],
// ["0.021249", "0.035"],
// ["0.021253", "0.058"],
// ],
// bids: [
// ["0.021207", "0.039"],
// ["0.021203", "0.051"],
// ["0.02117", "2.326"],
// ]
// }
// }
//
const result = this.safeValue (response, 'result', {});
const timestamp = this.safeInteger (result, 'ts');
return this.parseOrderBook (result, timestamp);
}
parseTicker (ticker, market = undefined) {
//
// fetchTicker
//
// {
// id: 1584890087,
// amount: '150032.919',
// count: 134538,
// open: '0.021394',
// close: '0.021177',
// low: '0.021053',
// high: '0.021595',
// vol: '3201.72451442'
// }
//
const timestamp = this.safeTimestamp (ticker, 'id');
let symbol = undefined;
if (market) {
symbol = market['symbol'];
}
const open = this.safeFloat (ticker, 'open');
const last = this.safeFloat (ticker, 'close');
let change = undefined;
if (symbol !== undefined) {
change = parseFloat (this.priceToPrecision (symbol, last - open));
} else {
change = last - open;
}
const average = this.sum (last, open) / 2;
const percentage = change / open * 100;
const baseVolume = this.safeFloat (ticker, 'amount');
const quoteVolume = this.safeFloat (ticker, 'vol');
let vwap = undefined;
if (quoteVolume !== undefined) {
if (baseVolume !== undefined) {
if (baseVolume > 0) {
vwap = parseFloat (this.priceToPrecision (symbol, quoteVolume / baseVolume));
}
}
}
return {
'symbol': symbol,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'high': this.safeFloat (ticker, 'high'),
'low': this.safeFloat (ticker, 'low'),
'bid': undefined,
'bidVolume': undefined,
'ask': undefined,
'askVolume': undefined,
'vwap': vwap,
'open': open,
'close': last,
'last': last,
'previousClose': undefined,
'change': change,
'percentage': percentage,
'average': average,
'baseVolume': baseVolume,
'quoteVolume': quoteVolume,
'info': ticker,
};
}
async fetchTickers (symbols = undefined, params = {}) {
await this.loadMarkets ();
const request = {};
if (symbols !== undefined) {
const ids = this.marketIds (symbols);
request['symbol'] = ids.join (',');
}
const response = await this.publicGetMarket24kline (this.extend (request, params));
//
// {
// errno: 0,
// errmsg: "success",
// result: [
// {
// symbol: "HB-AQ",
// data: {
// id: 1584893403,
// amount: "4753751.243400354852648809",
// count: 4724,
// open: "6.3497",
// close: "6.3318",
// low: "6.011",
// high: "6.5",
// vol: "29538384.7873528796542891343493"
// }
// },
// ]
// }
//
const tickers = this.safeValue (response, 'result', []);
const result = {};
for (let i = 0; i < tickers.length; i++) {
const marketId = this.safeString (tickers[i], 'symbol');
let market = undefined;
let symbol = marketId;
if (marketId !== undefined) {
if (marketId in this.markets_by_id) {
market = this.markets_by_id[marketId];
symbol = market['symbol'];
} else {
const [ baseId, quoteId ] = marketId.split ('-');
const base = this.safeCurrencyCode (baseId);
const quote = this.safeCurrencyCode (quoteId);
symbol = base + '/' + quote;
}
}
const data = this.safeValue (tickers[i], 'data', {});
const ticker = this.parseTicker (data, market);
ticker['symbol'] = symbol;
result[symbol] = ticker;
}
return this.filterByArray (result, 'symbol', symbols);
}
async fetchTicker (symbol, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const request = {
'symbol': market['id'],
};
const response = await this.publicGetMarketDetail (this.extend (request, params));
//
// {
// errno: 0,
// errmsg: 'success',
// result: {
// id: 1584890087,
// amount: '150032.919',
// count: 134538,
// open: '0.021394',
// close: '0.021177',
// low: '0.021053',
// high: '0.021595',
// vol: '3201.72451442'
// }
// }
//
const result = this.safeValue (response, 'result', {});
return this.parseTicker (result, market);
}
parseTrade (trade, market = undefined) {
//
// fetchTrades (public)
//
// {
// id: 1584948803298490,
// amount: "2.737",
// price: "0.021209",
// direction: "sell",
// ts: 1584948803
// }
//
// fetchOrder trades
//
// {
// "id":null,
// "ctime":"2020-03-23 20:07:17",
// "price":"123.9",
// "number":"0.010688626311541565",
// "total_price":"1.324320799999999903",
// "fee":"0.000021377252623083"
// }
//
const id = this.safeString (trade, 'id');
const ctime = this.parse8601 (this.safeString (trade, 'ctime'));
const timestamp = this.safeTimestamp (trade, 'ts', ctime) - 28800000; // 8 hours, adjust to UTC;
let symbol = undefined;
if ((symbol === undefined) && (market !== undefined)) {
symbol = market['symbol'];
}
const side = this.safeString (trade, 'direction');
const price = this.safeFloat (trade, 'price');
const amount = this.safeFloat2 (trade, 'amount', 'number');
let cost = this.safeFloat (trade, 'total_price');
if ((cost === undefined) && (price !== undefined) && (amount !== undefined)) {
cost = price * amount;
}
const feeCost = this.safeFloat (trade, 'fee');
let fee = undefined;
if (feeCost !== undefined) {
let feeCurrencyCode = undefined;
if (market !== undefined) {
if (side === 'buy') {
feeCurrencyCode = market['base'];
} else if (side === 'sell') {
feeCurrencyCode = market['quote'];
}
}
fee = {
'cost': feeCost,
'currency': feeCurrencyCode,
};
}
return {
'id': id,
'info': trade,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'symbol': symbol,
'order': undefined,
'type': undefined,
'side': side,
'takerOrMaker': undefined,
'price': price,
'amount': amount,
'cost': cost,
'fee': fee,
};
}
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.publicGetMarketTrade (this.extend (request, params));
//
// {
// errno: 0,
// errmsg: "success",
// result: {
// symbol: "ETH-BTC",
// ts: 1584948805439,
// data: [
// {
// id: 1584948803300883,
// amount: "0.583",
// price: "0.021209",
// direction: "buy",
// ts: 1584948803
// },
// {
// id: 1584948803298490,
// amount: "2.737",
// price: "0.021209",
// direction: "sell",
// ts: 1584948803
// },
// ]
// }
// }
//
const result = this.safeValue (response, 'result', {});
const data = this.safeValue (result, 'data', []);
return this.parseTrades (data, market, since, limit);
}
parseOrderStatus (status) {
const statuses = {
'1': 'open',
'2': 'open', // partially filled
'3': 'closed',
'4': 'canceled', // canceling
'5': 'canceled', // partially canceled
'6': 'canceled',
};
return this.safeString (statuses, status, status);
}
parseOrder (order, market = undefined) {
//
// createOrder
//
// { order_sn: 'BM7442641584965237751ZMAKJ5' }
//
// fetchOpenOrders, fetchClosedOrders
//
// {
// "order_sn": "BL74426415849672087836G48N1",
// "symbol": "ETH-USDT",
// "ctime": "2020-03-23 20:40:08",
// "type": 2,
// "side": "buy",
// "price": "90", // undefined for market orders
// "number": "0.1",
// "total_price": "9.0", // 0 for market orders
// "deal_number": null,
// "deal_price": null,
// "status": 1,
// }
//
// fetchOrder
//
// {
// order_sn: 'BM7442641584965237751ZMAKJ5',
// symbol: 'ETH-USDT',
// ctime: '2020-03-23 20:07:17',
// type: 1,
// side: 'buy',
// price: '0',
// number: '10',
// total_price: '0',
// deal_number: '0.080718626311541565',
// deal_price: '123.890000000000000000',
// status: 3,
// // the trades field is injected by fetchOrder
// trades: [
// {
// id: null,
// ctime: '2020-03-23 20:07:17',
// price: '123.9',
// number: '0.010688626311541565',
// total_price: '1.324320799999999903',
// fee: '0.000021377252623083'
// }
// ]
// }
//
const id = this.safeString (order, 'order_sn');
const orderStatus = this.safeString (order, 'status');
const status = this.parseOrderStatus (orderStatus);
let symbol = undefined;
const marketId = this.safeString (order, 'symbol');
let base = undefined;
let quote = undefined;
if (marketId !== undefined) {
if (marketId in this.markets_by_id) {
market = this.markets_by_id[marketId];
} else {
const [ baseId, quoteId ] = marketId.split ('-');
base = this.safeCurrencyCode (baseId);
quote = this.safeCurrencyCode (quoteId);
symbol = base + '/' + quote;
}
}
if ((symbol === undefined) && (market !== undefined)) {
symbol = market['symbol'];
base = market['base'];
quote = market['quote'];
}
let timestamp = this.parse8601 (this.safeString (order, 'ctime'));
if (timestamp !== undefined) {
timestamp -= 28800000; // 8 hours, adjust to UTC
}
const orderType = this.safeString (order, 'type');
const type = (orderType === '2') ? 'limit' : 'market';
const side = this.safeString (order, 'side');
// const amount = this.safeFloat (order, 'number');
// const price = this.safeFloat (order, 'price');
let cost = undefined;
let price = undefined;
let amount = undefined;
let average = undefined;
const number = this.safeFloat (order, 'number');
const totalPrice = this.safeFloat (order, 'total_price');
if (type === 'limit') {
amount = number;
price = this.safeFloat (order, 'price');
} else {
average = this.safeFloat (order, 'deal_price');
if (side === 'buy') {
amount = this.safeFloat (order, 'deal_number');
} else {
amount = number;
}
}
let fee = undefined;
let trades = undefined;
let filled = undefined;
let feeCost = undefined;
let remaining = undefined;
let lastTradeTimestamp = undefined;
// all orders except new orders and canceled orders
if ((orderStatus !== '1') && (orderStatus !== '6')) {
const rawTrades = this.safeValue (order, 'trades');
if (rawTrades !== undefined) {
for (let i = 0; i < rawTrades.length; i++) {
rawTrades[i]['direction'] = side;
}
trades = this.parseTrades (rawTrades, market, undefined, undefined, {
'symbol': market['symbol'],
'order': id,
'side': side,
'type': type,
});
const tradesLength = trades.length;
if (tradesLength > 0) {
const firstTrade = trades[0];
feeCost = firstTrade['fee']['cost'];
lastTradeTimestamp = firstTrade['timestamp'];
filled = firstTrade['amount'];
cost = firstTrade['cost'];
for (let i = 1; i < trades.length; i++) {
const trade = trades[i];
feeCost = this.sum (feeCost, trade['fee']['cost']);
filled = this.sum (filled, trade['amount']);
cost = this.sum (cost, trade['cost']);
lastTradeTimestamp = Math.max (lastTradeTimestamp, trade['timestamp']);
}
if (amount !== undefined) {
filled = Math.min (amount, filled);
}
if (filled > 0) {
average = cost / filled;
}
}
if (feeCost !== undefined) {
const feeCurrencyCode = (side === 'buy') ? base : quote;
fee = {
'cost': feeCost,
'currency': feeCurrencyCode,
};
}
}
} else {
filled = 0;
cost = 0;
}
if (cost === undefined) {
if (type === 'limit') {
cost = totalPrice;
} else if (side === 'buy') {
cost = number;
}
}
if (filled === undefined) {
if ((type === 'limit') && (orderStatus === '3')) {
filled = amount;
}
}
if (filled !== undefined) {
if (amount !== undefined) {
remaining = Math.max (amount - filled, 0);
}
}
return {
'info': order,
'id': id,
'clientOrderId': undefined,
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'lastTradeTimestamp': lastTradeTimestamp,
'status': status,
'symbol': symbol,
'type': type,
'side': side,
'price': price,
'cost': cost,
'average': average,
'amount': amount,
'filled': filled,
'remaining': remaining,
'trades': trades,
'fee': fee,
};
}
async fetchClosedOrder (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
const request = {
'order_sn': id,
};
const response = await this.privateGetEntrustDetail (this.extend (request, params));
//
// {
// "errno": 0,
// "errmsg": "success",
// "result": {
// "trades": [
// {
// "id":null,
// "ctime":"2020-03-23 20:07:17",
// "price":"123.9",
// "number":"0.010688626311541565",
// "total_price":"1.324320799999999903",
// "fee":"0.000021377252623083"
// },
// ],
// "entrust":{
// "order_sn":"BM7442641584965237751ZMAKJ5",
// "symbol":"ETH-USDT",
// "ctime":"2020-03-23 20:07:17",
// "type":1,
// "side":"buy",
// "price":"0",
// "number":"10",
// "total_price":"0",
// "deal_number":"0.080718626311541565",
// "deal_price":"123.890000000000000000",
// "status":3
// }
// }
// }
//
const result = this.safeValue (response, 'result', {});
const trades = this.safeValue (result, 'trades', []);
const order = this.safeValue (result, 'entrust', {});
order['trades'] = trades;
return this.parseOrder (order);
}
async fetchOrderTrades (id, symbol = undefined, since = undefined, limit = undefined, params = {}) {
const response = await this.fetchClosedOrder (id, symbol, params);
return this.safeValue (response, 'trades', []);
}
async fetchOrdersWithMethod (method, symbol = undefined, since = undefined, limit = undefined, params = {}) {
await this.loadMarkets ();
const request = {
// 'from': 'BM7442641584965237751ZMAKJ5', // query start order_sn
'direct': 'prev', // next
};
let market = undefined;
if (symbol !== undefined) {
market = this.market (symbol);
request['symbol'] = market['id'];
}
if (limit !== undefined) {
request['limit'] = limit; // default 20, max 100
}
const response = await this[method] (this.extend (request, params));
//
// {
// "errno": 0,
// "errmsg": "success",
// "result": [
// {
// "order_sn": "BL74426415849672087836G48N1",
// "symbol": "ETH-USDT",
// "ctime": "2020-03-23 20:40:08",
// "type": 2,
// "side": "buy",
// "price": "90",
// "number": "0.1",
// "total_price": "9.0",
// "deal_number": null,
// "deal_price": null,
// "status": 1,
// }
// ]
// }
//
const result = this.safeValue (response, 'result', []);
return this.parseOrders (result, market, since, limit);
}
async fetchOpenOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
return await this.fetchOrdersWithMethod ('privateGetEntrustCurrentList', symbol, since, limit, params);
}
async fetchClosedOrders (symbol = undefined, since = undefined, limit = undefined, params = {}) {
return await this.fetchOrdersWithMethod ('privateGetEntrustHistoryList', symbol, since, limit, params);
}
async createOrder (symbol, type, side, amount, price = undefined, params = {}) {
await this.loadMarkets ();
const market = this.market (symbol);
const orderType = side + '-' + type;
const request = {
'symbol': market['id'],
'type': orderType,
};
if (type === 'limit') {
request['amount'] = this.amountToPrecision (symbol, amount);
request['price'] = this.priceToPrecision (symbol, price);
} else if (type === 'market') {
// for market buy it requires the amount of quote currency to spend
if (side === 'buy') {
const createMarketBuyOrderRequiresPrice = this.safeValue (this.options, 'createMarketBuyOrderRequiresPrice', true);
let cost = amount;
if (createMarketBuyOrderRequiresPrice) {
if (price !== undefined) {
cost = amount * price;
} else {
throw new InvalidOrder (this.id + " createOrder() requires the price argument with market buy orders to calculate total order cost (amount to spend), where cost = amount * price. Supply a price argument to createOrder() call if you want the cost to be calculated for you from price and amount, or, alternatively, add .options['createMarketBuyOrderRequiresPrice'] = false and supply the total cost value in the 'amount' argument");
}
}
const precision = market['precision']['price'];
request['amount'] = this.decimalToPrecision (cost, TRUNCATE, precision, this.precisionMode);
} else {
request['amount'] = this.amountToPrecision (symbol, amount);
}
}
const response = await this.privatePostEntrustAdd (this.extend (request, params));
//
// {
// errno: 0,
// errmsg: 'success',
// result: { order_sn: 'BM7442641584965237751ZMAKJ5' }
// }
//
const result = this.safeValue (response, 'result', {});
const order = this.parseOrder (result, market);
const timestamp = this.milliseconds ();
return this.extend (order, {
'timestamp': timestamp,
'datetime': this.iso8601 (timestamp),
'amount': amount,
'price': price,
'type': type,
'side': side,
});
}
async cancelOrder (id, symbol = undefined, params = {}) {
await this.loadMarkets ();
const request = {
'order_ids': id,
};
const response = await this.privatePostEntrustCancel (this.extend (request, params));
//
// {