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A JavaScript / TypeScript / Python / C# / PHP cryptocurrency trading library with support for 100+ exchanges

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// ---------------------------------------------------------------------------- // PLEASE DO NOT EDIT THIS FILE, IT IS GENERATED AND WILL BE OVERWRITTEN: // https://github.com/ccxt/ccxt/blob/master/CONTRIBUTING.md#how-to-contribute-code // EDIT THE CORRESPONDENT .ts FILE INSTEAD // --------------------------------------------------------------------------- import apexRest from '../apex.js'; import { ArrayCache, ArrayCacheBySymbolById, ArrayCacheBySymbolBySide, ArrayCacheByTimestamp } from '../base/ws/Cache.js'; import { ArgumentsRequired, AuthenticationError, ExchangeError } from '../base/errors.js'; import { sha256 } from '../static_dependencies/noble-hashes/sha256.js'; // --------------------------------------------------------------------------- export default class apex extends apexRest { describe() { return this.deepExtend(super.describe(), { 'has': { 'ws': true, 'watchTicker': true, 'watchTickers': true, 'watchOrderBook': true, 'watchOrders': true, 'watchTrades': true, 'watchTradesForSymbols': false, 'watchPositions': true, 'watchMyTrades': true, 'watchBalance': false, 'watchOHLCV': true, }, 'urls': { 'logo': 'https://omni.apex.exchange/assets/logo_content-CY9uyFbz.svg', 'api': { 'ws': { 'public': 'wss://quote.omni.apex.exchange/realtime_public?v=2', 'private': 'wss://quote.omni.apex.exchange/realtime_private?v=2', }, }, 'test': { 'ws': { 'public': 'wss://qa-quote.omni.apex.exchange/realtime_public?v=2', 'private': 'wss://qa-quote.omni.apex.exchange/realtime_private?v=2', }, }, 'www': 'https://apex.exchange/', 'doc': 'https://api-docs.pro.apex.exchange', 'fees': 'https://apex-pro.gitbook.io/apex-pro/apex-omni-live-now/trading-perpetual-contracts/trading-fees', 'referral': 'https://omni.apex.exchange/trade', }, 'options': {}, 'streaming': { 'ping': this.ping, 'keepAlive': 18000, }, }); } /** * @method * @name apex#watchTrades * @description watches information on multiple trades made in a market * @see https://api-docs.pro.apex.exchange/#websocket-v3-for-omni-websocket-endpoint * @param {string} symbol unified market symbol of the market trades were made in * @param {int} [since] the earliest time in ms to fetch trades for * @param {int} [limit] the maximum number of trade structures to retrieve * @param {object} [params] extra parameters specific to the exchange API endpoint * @returns {object[]} a list of [trade structures]{@link https://docs.ccxt.com/#/?id=trade-structure} */ async watchTrades(symbol, since = undefined, limit = undefined, params = {}) { return await this.watchTradesForSymbols([symbol], since, limit, params); } /** * @method * @name apex#watchTradesForSymbols * @description get the list of most recent trades for a list of symbols * @see https://api-docs.pro.apex.exchange/#websocket-v3-for-omni-websocket-endpoint * @param {string[]} symbols unified symbol of the market to fetch trades for * @param {int} [since] timestamp in ms of the earliest trade to fetch * @param {int} [limit] the maximum amount of trades to fetch * @param {object} [params] extra parameters specific to the exchange API endpoint * @returns {object[]} a list of [trade structures]{@link https://docs.ccxt.com/#/?id=public-trades} */ async watchTradesForSymbols(symbols, since = undefined, limit = undefined, params = {}) { await this.loadMarkets(); symbols = this.marketSymbols(symbols); const symbolsLength = symbols.length; if (symbolsLength === 0) { throw new ArgumentsRequired(this.id + ' watchTradesForSymbols() requires a non-empty array of symbols'); } const timeStamp = this.milliseconds().toString(); const url = this.urls['api']['ws']['public'] + '&timestamp=' + timeStamp; const topics = []; const messageHashes = []; for (let i = 0; i < symbols.length; i++) { const symbol = symbols[i]; const market = this.market(symbol); const topic = 'recentlyTrade.H.' + market['id2']; topics.push(topic); const messageHash = 'trade:' + symbol; messageHashes.push(messageHash); } const trades = await this.watchTopics(url, messageHashes, topics, params); if (this.newUpdates) { const first = this.safeValue(trades, 0); const tradeSymbol = this.safeString(first, 'symbol'); limit = trades.getLimit(tradeSymbol, limit); } return this.filterBySinceLimit(trades, since, limit, 'timestamp', true); } handleTrades(client, message) { // // { // "topic": "recentlyTrade.H.BTCUSDT", // "type": "snapshot", // "ts": 1672304486868, // "data": [ // { // "T": 1672304486865, // "s": "BTCUSDT", // "S": "Buy", // "v": "0.001", // "p": "16578.50", // "L": "PlusTick", // "i": "20f43950-d8dd-5b31-9112-a178eb6023af", // "BT": false // } // ] // } // const data = this.safeValue(message, 'data', {}); const topic = this.safeString(message, 'topic'); const trades = data; const parts = topic.split('.'); const marketId = this.safeString(parts, 2); const market = this.safeMarket(marketId, undefined, undefined); const symbol = market['symbol']; let stored = this.safeValue(this.trades, symbol); if (stored === undefined) { const limit = this.safeInteger(this.options, 'tradesLimit', 1000); stored = new ArrayCache(limit); this.trades[symbol] = stored; } for (let j = 0; j < trades.length; j++) { const parsed = this.parseWsTrade(trades[j], market); stored.append(parsed); } const messageHash = 'trade' + ':' + symbol; client.resolve(stored, messageHash); } parseWsTrade(trade, market = undefined) { // // public // { // "T": 1672304486865, // "s": "BTCUSDT", // "S": "Buy", // "v": "0.001", // "p": "16578.50", // "L": "PlusTick", // "i": "20f43950-d8dd-5b31-9112-a178eb6023af", // "BT": false // } // const id = this.safeStringN(trade, ['i', 'id', 'v']); const marketId = this.safeStringN(trade, ['s', 'symbol']); market = this.safeMarket(marketId, market, undefined); const symbol = market['symbol']; const timestamp = this.safeIntegerN(trade, ['t', 'T', 'createdAt']); const side = this.safeStringLowerN(trade, ['S', 'side']); const price = this.safeStringN(trade, ['p', 'price']); const amount = this.safeStringN(trade, ['q', 'v', 'size']); return this.safeTrade({ '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': undefined, 'fee': undefined, }, market); } /** * @method * @name apex#watchOrderBook * @description watches information on open orders with bid (buy) and ask (sell) prices, volumes and other data * @see https://api-docs.pro.apex.exchange/#websocket-v3-for-omni-websocket-endpoint * @param {string} symbol unified symbol of the market to fetch the order book for * @param {int} [limit] the maximum amount of order book entries to return. * @param {object} [params] extra parameters specific to the exchange API endpoint * @returns {object} A dictionary of [order book structures]{@link https://docs.ccxt.com/#/?id=order-book-structure} indexed by market symbols */ async watchOrderBook(symbol, limit = undefined, params = {}) { return await this.watchOrderBookForSymbols([symbol], limit, params); } /** * @method * @name apex#watchOrderBookForSymbols * @description watches information on open orders with bid (buy) and ask (sell) prices, volumes and other data * @see https://api-docs.pro.apex.exchange/#websocket-v3-for-omni-websocket-endpoint * @param {string[]} symbols unified array of symbols * @param {int} [limit] the maximum amount of order book entries to return. * @param {object} [params] extra parameters specific to the exchange API endpoint * @returns {object} A dictionary of [order book structures]{@link https://docs.ccxt.com/#/?id=order-book-structure} indexed by market symbols */ async watchOrderBookForSymbols(symbols, limit = undefined, params = {}) { await this.loadMarkets(); const symbolsLength = symbols.length; if (symbolsLength === 0) { throw new ArgumentsRequired(this.id + ' watchOrderBookForSymbols() requires a non-empty array of symbols'); } symbols = this.marketSymbols(symbols); const timeStamp = this.milliseconds().toString(); const url = this.urls['api']['ws']['public'] + '&timestamp=' + timeStamp; const topics = []; const messageHashes = []; for (let i = 0; i < symbols.length; i++) { const symbol = symbols[i]; const market = this.market(symbol); if (limit === undefined) { limit = 25; } const topic = 'orderBook' + limit.toString() + '.H.' + market['id2']; topics.push(topic); const messageHash = 'orderbook:' + symbol; messageHashes.push(messageHash); } const orderbook = await this.watchTopics(url, messageHashes, topics, params); return orderbook.limit(); } async watchTopics(url, messageHashes, topics, params = {}) { const request = { 'op': 'subscribe', 'args': topics, }; const message = this.extend(request, params); return await this.watchMultiple(url, messageHashes, message, messageHashes); } handleOrderBook(client, message) { // // { // "topic": "orderbook25.H.BTCUSDT", // "type": "snapshot", // "ts": 1672304484978, // "data": { // "s": "BTCUSDT", // "b": [ // ..., // [ // "16493.50", // "0.006" // ], // [ // "16493.00", // "0.100" // ] // ], // "a": [ // [ // "16611.00", // "0.029" // ], // [ // "16612.00", // "0.213" // ], // ], // "u": 18521288, // "seq": 7961638724 // } // } // const type = this.safeString(message, 'type'); const isSnapshot = (type === 'snapshot'); const data = this.safeDict(message, 'data', {}); const marketId = this.safeString(data, 's'); const market = this.safeMarket(marketId, undefined, undefined); const symbol = market['symbol']; const timestamp = this.safeIntegerProduct(message, 'ts', 0.001); if (!(symbol in this.orderbooks)) { this.orderbooks[symbol] = this.orderBook(); } const orderbook = this.orderbooks[symbol]; if (isSnapshot) { const snapshot = this.parseOrderBook(data, symbol, timestamp, 'b', 'a'); orderbook.reset(snapshot); } else { const asks = this.safeList(data, 'a', []); const bids = this.safeList(data, 'b', []); this.handleDeltas(orderbook['asks'], asks); this.handleDeltas(orderbook['bids'], bids); orderbook['timestamp'] = timestamp; orderbook['datetime'] = this.iso8601(timestamp); } const messageHash = 'orderbook' + ':' + symbol; this.orderbooks[symbol] = orderbook; client.resolve(orderbook, messageHash); } handleDelta(bookside, delta) { const bidAsk = this.parseBidAsk(delta, 0, 1); bookside.storeArray(bidAsk); } handleDeltas(bookside, deltas) { for (let i = 0; i < deltas.length; i++) { this.handleDelta(bookside, deltas[i]); } } /** * @method * @name apex#watchTicker * @description watches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market * @see https://api-docs.pro.apex.exchange/#websocket-v3-for-omni-websocket-endpoint * @param {string} symbol unified symbol of the market to fetch the ticker for * @param {object} [params] extra parameters specific to the exchange API endpoint * @returns {object} a [ticker structure]{@link https://docs.ccxt.com/#/?id=ticker-structure} */ async watchTicker(symbol, params = {}) { await this.loadMarkets(); const market = this.market(symbol); symbol = market['symbol']; const timeStamp = this.milliseconds().toString(); const url = this.urls['api']['ws']['public'] + '&timestamp=' + timeStamp; const messageHash = 'ticker:' + symbol; const topic = 'instrumentInfo' + '.H.' + market['id2']; const topics = [topic]; return await this.watchTopics(url, [messageHash], topics, params); } /** * @method * @name apex#watchTickers * @description watches a price ticker, a statistical calculation with the information calculated over the past 24 hours for all markets of a specific list * @see https://api-docs.pro.apex.exchange/#websocket-v3-for-omni-websocket-endpoint * @param {string[]} symbols unified symbol of the market to fetch the ticker for * @param {object} [params] extra parameters specific to the exchange API endpoint * @returns {object} a [ticker structure]{@link https://docs.ccxt.com/#/?id=ticker-structure} */ async watchTickers(symbols = undefined, params = {}) { await this.loadMarkets(); symbols = this.marketSymbols(symbols, undefined, false); const messageHashes = []; const timeStamp = this.milliseconds().toString(); const url = this.urls['api']['ws']['public'] + '&timestamp=' + timeStamp; const topics = []; for (let i = 0; i < symbols.length; i++) { const symbol = symbols[i]; const market = this.market(symbol); const topic = 'instrumentInfo' + '.H.' + market['id2']; topics.push(topic); const messageHash = 'ticker:' + symbol; messageHashes.push(messageHash); } const ticker = await this.watchTopics(url, messageHashes, topics, params); if (this.newUpdates) { const result = {}; result[ticker['symbol']] = ticker; return result; } return this.filterByArray(this.tickers, 'symbol', symbols); } handleTicker(client, message) { // "topic":"instrumentInfo.H.BTCUSDT", // "type":"snapshot", // "data":{ // "symbol":"BTCUSDT", // "lastPrice":"21572.5", // "price24hPcnt":"-0.0194318181818182", // "highPrice24h":"25306.5", // "lowPrice24h":"17001.5", // "turnover24h":"1334891.4545", // "volume24h":"64.896", // "nextFundingTime":"2022-08-26T08:00:00Z", // "oraclePrice":"21412.060000000002752512", // "indexPrice":"21409.82", // "openInterest":"49.598", // "tradeCount":"0", // "fundingRate":"0.0000125", // "predictedFundingRate":"0.0000125" // }, // "cs":44939063, // "ts":1661500091955487 // } const topic = this.safeString(message, 'topic', ''); const updateType = this.safeString(message, 'type', ''); const data = this.safeDict(message, 'data', {}); let symbol = undefined; let parsed = undefined; if ((updateType === 'snapshot')) { parsed = this.parseTicker(data); symbol = parsed['symbol']; } else if (updateType === 'delta') { const topicParts = topic.split('.'); const topicLength = topicParts.length; const marketId = this.safeString(topicParts, topicLength - 1); const market = this.safeMarket(marketId, undefined, undefined); symbol = market['symbol']; const ticker = this.safeDict(this.tickers, symbol, {}); const rawTicker = this.safeDict(ticker, 'info', {}); const merged = this.extend(rawTicker, data); parsed = this.parseTicker(merged); } const timestamp = this.safeIntegerProduct(message, 'ts', 0.001); parsed['timestamp'] = timestamp; parsed['datetime'] = this.iso8601(timestamp); this.tickers[symbol] = parsed; const messageHash = 'ticker:' + symbol; client.resolve(this.tickers[symbol], messageHash); } /** * @method * @name apex#watchOHLCV * @description watches historical candlestick data containing the open, high, low, and close price, and the volume of a market * @see https://api-docs.pro.apex.exchange/#websocket-v3-for-omni-websocket-endpoint * @param {string} symbol unified symbol of the market to fetch OHLCV data for * @param {string} timeframe the length of time each candle represents * @param {int} [since] timestamp in ms of the earliest candle to fetch * @param {int} [limit] the maximum amount of candles to fetch * @param {object} [params] extra parameters specific to the exchange API endpoint * @returns {int[][]} A list of candles ordered as timestamp, open, high, low, close, volume */ async watchOHLCV(symbol, timeframe = '1m', since = undefined, limit = undefined, params = {}) { params['callerMethodName'] = 'watchOHLCV'; const result = await this.watchOHLCVForSymbols([[symbol, timeframe]], since, limit, params); return result[symbol][timeframe]; } /** * @method * @name apex#watchOHLCVForSymbols * @description watches historical candlestick data containing the open, high, low, and close price, and the volume of a market * @see https://api-docs.pro.apex.exchange/#websocket-v3-for-omni-websocket-endpoint * @param {string[][]} symbolsAndTimeframes array of arrays containing unified symbols and timeframes to fetch OHLCV data for, example [['BTC/USDT', '1m'], ['LTC/USDT', '5m']] * @param {int} [since] timestamp in ms of the earliest candle to fetch * @param {int} [limit] the maximum amount of candles to fetch * @param {object} [params] extra parameters specific to the exchange API endpoint * @returns {object} A list of candles ordered as timestamp, open, high, low, close, volume */ async watchOHLCVForSymbols(symbolsAndTimeframes, since = undefined, limit = undefined, params = {}) { await this.loadMarkets(); const timeStamp = this.milliseconds().toString(); const url = this.urls['api']['ws']['public'] + '&timestamp=' + timeStamp; const rawHashes = []; const messageHashes = []; for (let i = 0; i < symbolsAndTimeframes.length; i++) { const data = symbolsAndTimeframes[i]; let symbolString = this.safeString(data, 0); const market = this.market(symbolString); symbolString = market['id2']; const unfiedTimeframe = this.safeString(data, 1, '1'); const timeframeId = this.safeString(this.timeframes, unfiedTimeframe, unfiedTimeframe); rawHashes.push('candle.' + timeframeId + '.' + symbolString); messageHashes.push('ohlcv::' + symbolString + '::' + unfiedTimeframe); } const [symbol, timeframe, stored] = await this.watchTopics(url, messageHashes, rawHashes, params); if (this.newUpdates) { limit = stored.getLimit(symbol, limit); } const filtered = this.filterBySinceLimit(stored, since, limit, 0, true); return this.createOHLCVObject(symbol, timeframe, filtered); } handleOHLCV(client, message) { // // { // "topic": "candle.5.BTCUSDT", // "data": [ // { // "start": 1672324800000, // "end": 1672325099999, // "interval": "5", // "open": "16649.5", // "close": "16677", // "high": "16677", // "low": "16608", // "volume": "2.081", // "turnover": "34666.4005", // "confirm": false, // "timestamp": 1672324988882 // } // ], // "ts": 1672324988882, // "type": "snapshot" // } // const data = this.safeValue(message, 'data', {}); const topic = this.safeString(message, 'topic'); const topicParts = topic.split('.'); const topicLength = topicParts.length; const timeframeId = this.safeString(topicParts, 1); const timeframe = this.findTimeframe(timeframeId); const marketId = this.safeString(topicParts, topicLength - 1); const isSpot = client.url.indexOf('spot') > -1; const marketType = isSpot ? 'spot' : 'contract'; const market = this.safeMarket(marketId, undefined, undefined, marketType); const symbol = market['symbol']; const ohlcvsByTimeframe = this.safeValue(this.ohlcvs, symbol); if (ohlcvsByTimeframe === undefined) { this.ohlcvs[symbol] = {}; } if (this.safeValue(ohlcvsByTimeframe, timeframe) === undefined) { const limit = this.safeInteger(this.options, 'OHLCVLimit', 1000); this.ohlcvs[symbol][timeframe] = new ArrayCacheByTimestamp(limit); } const stored = this.ohlcvs[symbol][timeframe]; for (let i = 0; i < data.length; i++) { const parsed = this.parseWsOHLCV(data[i]); stored.append(parsed); } const messageHash = 'ohlcv::' + symbol + '::' + timeframe; const resolveData = [symbol, timeframe, stored]; client.resolve(resolveData, messageHash); } parseWsOHLCV(ohlcv, market = undefined) { // // { // "start": 1670363160000, // "end": 1670363219999, // "interval": "1", // "open": "16987.5", // "close": "16987.5", // "high": "16988", // "low": "16987.5", // "volume": "23.511", // "turnover": "399396.344", // "confirm": false, // "timestamp": 1670363219614 // } // return [ this.safeInteger(ohlcv, 'start'), this.safeNumber(ohlcv, 'open'), this.safeNumber(ohlcv, 'high'), this.safeNumber(ohlcv, 'low'), this.safeNumber(ohlcv, 'close'), this.safeNumber2(ohlcv, 'volume', 'turnover'), ]; } /** * @method * @name apex#watchMyTrades * @description watches information on multiple trades made by the user * @see https://api-docs.pro.apex.exchange/#private-websocket * @param {string} symbol unified market symbol of the market orders were made in * @param {int} [since] the earliest time in ms to fetch orders for * @param {int} [limit] the maximum number of order structures to retrieve * @param {object} [params] extra parameters specific to the exchange API endpoint * @param {boolean} [params.unifiedMargin] use unified margin account * @returns {object[]} a list of [order structures]{@link https://docs.ccxt.com/#/?id=order-structure} */ async watchMyTrades(symbol = undefined, since = undefined, limit = undefined, params = {}) { let messageHash = 'myTrades'; await this.loadMarkets(); if (symbol !== undefined) { symbol = this.symbol(symbol); messageHash += ':' + symbol; } const timeStamp = this.milliseconds().toString(); const url = this.urls['api']['ws']['private'] + '&timestamp=' + timeStamp; await this.authenticate(url); const trades = await this.watchTopics(url, [messageHash], ['myTrades'], params); if (this.newUpdates) { limit = trades.getLimit(symbol, limit); } return this.filterBySymbolSinceLimit(trades, symbol, since, limit, true); } /** * @method * @name apex#watchPositions * @see https://api-docs.pro.apex.exchange/#private-websocket * @description watch all open positions * @param {string[]} [symbols] list of unified market symbols * @param {int} [since] the earliest time in ms to fetch positions for * @param {int} [limit] the maximum number of positions to retrieve * @param {object} params extra parameters specific to the exchange API endpoint * @returns {object[]} a list of [position structure]{@link https://docs.ccxt.com/en/latest/manual.html#position-structure} */ async watchPositions(symbols = undefined, since = undefined, limit = undefined, params = {}) { await this.loadMarkets(); let messageHash = ''; if (!this.isEmpty(symbols)) { symbols = this.marketSymbols(symbols); messageHash = '::' + symbols.join(','); } const timeStamp = this.milliseconds().toString(); const url = this.urls['api']['ws']['private'] + '&timestamp=' + timeStamp; messageHash = 'positions' + messageHash; const client = this.client(url); await this.authenticate(url); this.setPositionsCache(client, symbols); const cache = this.positions; if (cache === undefined) { const snapshot = await client.future('fetchPositionsSnapshot'); return this.filterBySymbolsSinceLimit(snapshot, symbols, since, limit, true); } const topics = ['positions']; const newPositions = await this.watchTopics(url, [messageHash], topics, params); if (this.newUpdates) { return newPositions; } return this.filterBySymbolsSinceLimit(cache, symbols, since, limit, true); } /** * @method * @name apex#watchOrders * @description watches information on multiple orders made by the user * @see https://api-docs.pro.apex.exchange/#private-websocket * @param {string} symbol unified market symbol of the market orders were made in * @param {int} [since] the earliest time in ms to fetch orders for * @param {int} [limit] the maximum number of order structures to retrieve * @param {object} [params] extra parameters specific to the exchange API endpoint * @returns {object[]} a list of [order structures]{@link https://docs.ccxt.com/#/?id=order-structure} */ async watchOrders(symbol = undefined, since = undefined, limit = undefined, params = {}) { await this.loadMarkets(); let messageHash = 'orders'; if (symbol !== undefined) { symbol = this.symbol(symbol); messageHash += ':' + symbol; } const timeStamp = this.milliseconds().toString(); const url = this.urls['api']['ws']['private'] + '&timestamp=' + timeStamp; await this.authenticate(url); const topics = ['orders']; const orders = await this.watchTopics(url, [messageHash], topics, params); if (this.newUpdates) { limit = orders.getLimit(symbol, limit); } return this.filterBySymbolSinceLimit(orders, symbol, since, limit, true); } handleMyTrades(client, lists) { // [ // { // "symbol":"ETH-USDT", // "side":"BUY", // "orderId":"2048046080", // "fee":"0.625000", // "liquidity":"TAKER", // "accountId":"1024000", // "createdAt":1652185521361, // "isOpen":true, // "size":"0.500", // "price":"2500.0", // "quoteAmount":"1250.0000", // "id":"2048000182272", // "updatedAt":1652185678345 // } // ] if (this.myTrades === undefined) { const limit = this.safeInteger(this.options, 'tradesLimit', 1000); this.myTrades = new ArrayCacheBySymbolById(limit); } const trades = this.myTrades; const symbols = {}; for (let i = 0; i < lists.length; i++) { const rawTrade = lists[i]; let parsed = undefined; parsed = this.parseWsTrade(rawTrade); const symbol = parsed['symbol']; symbols[symbol] = true; trades.append(parsed); } const keys = Object.keys(symbols); for (let i = 0; i < keys.length; i++) { const currentMessageHash = 'myTrades:' + keys[i]; client.resolve(trades, currentMessageHash); } // non-symbol specific const messageHash = 'myTrades'; client.resolve(trades, messageHash); } handleOrder(client, lists) { // [ // { // "symbol":"ETH-USDT", // "cumSuccessFillFee":"0.625000", // "trailingPercent":"0", // "type":"LIMIT", // "unfillableAt":1654779600000, // "isDeleverage":false, // "createdAt":1652185521339, // "price":"2500.0", // "cumSuccessFillValue":"0", // "id":"2048046080", // "cancelReason":"", // "timeInForce":1, // "updatedAt":1652185521392, // "limitFee":"0.625000", // "side":"BUY", // "clientOrderId":"522843990", // "triggerPrice":"", // "expiresAt":1654779600000, // "cumSuccessFillSize":"0", // "accountId":"1024000", // "size":"0.500", // "reduceOnly":false, // "isLiquidate":false, // "remainingSize":"0.000", // "status":"PENDING" // } // ] if (this.orders === undefined) { const limit = this.safeInteger(this.options, 'ordersLimit', 1000); this.orders = new ArrayCacheBySymbolById(limit); } const orders = this.orders; const symbols = {}; for (let i = 0; i < lists.length; i++) { let parsed = undefined; parsed = this.parseOrder(lists[i]); const symbol = parsed['symbol']; symbols[symbol] = true; orders.append(parsed); } const symbolsArray = Object.keys(symbols); for (let i = 0; i < symbolsArray.length; i++) { const currentMessageHash = 'orders:' + symbolsArray[i]; client.resolve(orders, currentMessageHash); } const messageHash = 'orders'; client.resolve(orders, messageHash); } setPositionsCache(client, symbols = undefined) { if (this.positions !== undefined) { return; } const messageHash = 'fetchPositionsSnapshot'; if (!(messageHash in client.futures)) { client.future(messageHash); this.spawn(this.loadPositionsSnapshot, client, messageHash); } } async loadPositionsSnapshot(client, messageHash) { // as only one ws channel gives positions for all types, for snapshot must load all positions const fetchFunctions = [ this.fetchPositions(undefined), ]; const promises = await Promise.all(fetchFunctions); this.positions = new ArrayCacheBySymbolBySide(); const cache = this.positions; for (let i = 0; i < promises.length; i++) { const positions = promises[i]; for (let ii = 0; ii < positions.length; ii++) { const position = positions[ii]; cache.append(position); } } // don't remove the future from the .futures cache const future = client.futures[messageHash]; future.resolve(cache); client.resolve(cache, 'positions'); } handlePositions(client, lists) { // // [ // { // "symbol":"ETH-USDT", // "exitPrice":"0", // "side":"LONG", // "maxSize":"2820.000", // "sumOpen":"1.820", // "sumClose":"0.000", // "netFunding":"0.000000", // "entryPrice":"2500.000000000000000000", // "accountId":"1024000", // "createdAt":1652179377769, // "size":"1.820", // "realizedPnl":"0", // "closedAt":1652185521392, // "updatedAt":1652185521392 // } // ] // // each account is connected to a different endpoint // and has exactly one subscriptionhash which is the account type if (this.positions === undefined) { this.positions = new ArrayCacheBySymbolBySide(); } const cache = this.positions; const newPositions = []; for (let i = 0; i < lists.length; i++) { const rawPosition = lists[i]; const position = this.parsePosition(rawPosition); const side = this.safeString(position, 'side'); // hacky solution to handle closing positions // without crashing, we should handle this properly later newPositions.push(position); if (side === undefined || side === '') { // closing update, adding both sides to "reset" both sides // since we don't know which side is being closed position['side'] = 'long'; cache.append(position); position['side'] = 'short'; cache.append(position); position['side'] = undefined; } else { // regular update cache.append(position); } } const messageHashes = this.findMessageHashes(client, 'positions::'); for (let i = 0; i < messageHashes.length; i++) { const messageHash = messageHashes[i]; const parts = messageHash.split('::'); const symbolsString = parts[1]; const symbols = symbolsString.split(','); const positions = this.filterByArray(newPositions, 'symbol', symbols, false); if (!this.isEmpty(positions)) { client.resolve(positions, messageHash); } } client.resolve(newPositions, 'positions'); } async authenticate(url, params = {}) { this.checkRequiredCredentials(); const timestamp = this.milliseconds().toString(); const request_path = '/ws/accounts'; const http_method = 'GET'; const messageString = (timestamp + http_method + request_path); const signature = this.hmac(this.encode(messageString), this.encode(this.stringToBase64(this.secret)), sha256, 'base64'); const messageHash = 'authenticated'; const client = this.client(url); const future = client.future(messageHash); const authenticated = this.safeValue(client.subscriptions, messageHash); if (authenticated === undefined) { // auth sign const request = { 'type': 'login', 'topics': ['ws_zk_accounts_v3'], 'httpMethod': http_method, 'requestPath': request_path, 'apiKey': this.apiKey, 'passphrase': this.password, 'timestamp': timestamp, 'signature': signature, }; const message = { 'op': 'login', 'args': [JSON.stringify(request)], }; this.watch(url, messageHash, message, messageHash); } return await future; } handleErrorMessage(client, message) { // // { // "success": false, // "ret_msg": "error:invalid op", // "conn_id": "5e079fdd-9c7f-404d-9dbf-969d650838b5", // "request": { op: '', args: null } // } // // auth error // // { // "success": false, // "ret_msg": "error:USVC1111", // "conn_id": "e73770fb-a0dc-45bd-8028-140e20958090", // "request": { // "op": "auth", // "args": [ // "9rFT6uR4uz9Imkw4Wx", // "1653405853543", // "542e71bd85597b4db0290f0ce2d13ed1fd4bb5df3188716c1e9cc69a879f7889" // ] // } // // { code: '-10009', desc: "Invalid period!" } // // { // "reqId":"1", // "retCode":170131, // "retMsg":"Insufficient balance.", // "op":"order.create", // "data":{ // // }, // "header":{ // "X-Bapi-Limit":"20", // "X-Bapi-Limit-Status":"19", // "X-Bapi-Limit-Reset-Timestamp":"1714236608944", // "Traceid":"3d7168a137bf32a947b7e5e6a575ac7f", // "Timenow":"1714236608946" // }, // "connId":"cojifin88smerbj9t560-406" // } // const code = this.safeStringN(message, ['code', 'ret_code', 'retCode']); try { if (code !== undefined && code !== '0') { const feedback = this.id + ' ' + this.json(message); this.throwExactlyMatchedException(this.exceptions['exact'], code, feedback); const msg = this.safeString2(message, 'retMsg', 'ret_msg'); this.throwBroadlyMatchedException(this.exceptions['broad'], msg, feedback); throw new ExchangeError(feedback); } const success = this.safeValue(message, 'success'); if (success !== undefined && !success) { const ret_msg = this.safeString(message, 'ret_msg'); const request = this.safeValue(message, 'request', {}); const op = this.safeString(request, 'op'); if (op === 'auth') { throw new AuthenticationError('Authentication failed: ' + ret_msg); } else { throw new ExchangeError(this.id + ' ' + ret_msg); } } return false; } catch (error) { if (error instanceof AuthenticationError) { const messageHash = 'authenticated'; client.reject(error, messageHash); if (messageHash in client.subscriptions) { delete client.subscriptions[messageHash]; } } else { const messageHash = this.safeString(message, 'reqId'); client.reject(error, messageHash); } return true; } } handleMessage(client, message) { if (this.handleErrorMessage(client, message)) { return; } const topic = this.safeString2(message, 'topic', 'op', ''); const methods = { 'ws_zk_accounts_v3': this.handleAccount, 'orderBook': this.handleOrderBook, 'depth': this.handleOrderBook, 'candle': this.handleOHLCV, 'kline': this.handleOHLCV, 'ticker': this.handleTicker, 'instrumentInfo': this.handleTicker, 'trade': this.handleTrades, 'recentlyTrade': this.handleTrades, 'pong': this.handlePong, 'auth': this.handleAuthenticate, }; const exacMethod = this.safeValue(methods, topic); if (exacMethod !== undefined) { exacMethod.call(this, client, message); return; } const keys = Object.keys(methods); for (let i = 0; i < keys.length; i++) { const key = keys[i]; if (topic.indexOf(keys[i]) >= 0) { const method = methods[key]; method.call(this, client, message); return; } } // unified auth acknowledgement const type = this.safeString(message, 'type'); if (type === 'AUTH_RESP') { this.handleAuthenticate(client, message); } } ping(client) { const timeStamp = this.milliseconds().toString(); return { 'args': [timeStamp], 'op': 'ping', }; } handlePong(client, message) { // // { // "success": true, // "ret_msg": "pong", // "conn_id": "db3158a0-8960-44b9-a9de-ac350ee13158", // "request": { op: "ping", args: null } // } // // { pong: 1653296711335 } // client.lastPong = this.safeInteger(message, 'pong'); return message; } handleAccount(client, message) { const contents = this.safeDict(message, 'contents', {}); const fills = this.safeList(contents, 'fills', []); if (fills !== undefined) { this.handleMyTrades(client, fills); } const positions = this.safeList(contents, 'positions', []); if (positions !== undefined) { this.handlePositions(client, positions); } const orders = this.safeList(contents, 'orders', []); if (orders !== undefined) { this.handleOrder(client, orders); } } handleAuthenticate(client, message) { // // { // "success": true, // "ret_msg": '', // "op": "auth", // "conn_id": "ce3dpomvha7dha97tvp0-2xh" // } // const success = this.safeValue(message, 'success'); const code = this.safeInteger(message, 'retCode'); const messageHash = 'authenticated'; if (success || code === 0) { const future = this.safeValue(client.futures, messageHash); future.resolve(true); } else { const error = new AuthenticationError(this.id + ' ' + this.json(message)); client.reject(error, messageHash); if (messageHash in client.subscriptions) { delete client.subscriptions[messageHash]; } } return message; } handleSubscriptionStatus(client, message) { // // { // "topic": "kline", // "event": "sub", // "params": { // "symbol": "LTCUSDT", // "binary": "false", // "klineType": "1m", // "symbolName": "LTCUSDT" // }, // "code": "0", // "msg": "Success" // } // return message; } }