339 lines
16 KiB
JavaScript
339 lines
16 KiB
JavaScript
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exports.newUserBot = function newUserBot(bot, logger, COMMONS, UTILITIES, fileStorage, STATUS_REPORT, EXCHANGE_API) {
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const FULL_LOG = true;
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const LOG_FILE_CONTENT = false;
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const GMT_SECONDS = ':00.000 GMT+0000';
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const GMT_MILI_SECONDS = '.000 GMT+0000';
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const MODULE_NAME = "User Bot";
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const TRADES_FOLDER_NAME = "Trades";
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thisObject = {
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initialize: initialize,
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start: start
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};
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let utilities = UTILITIES.newCloudUtilities(bot, logger)
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let statusDependencies
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const ONE_MINUTE = 60000
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const MAX_TRADES_PER_EXECUTION = 100000
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const symbol = bot.market.baseAsset + '/' + bot.market.quotedAsset
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const ccxt = require('ccxt')
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let allTrades = []
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let thisReport;
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let since
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let initialProcessTimestamp
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let beginingOfMarket
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let lastFileSaved
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return thisObject;
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function initialize(pStatusDependencies, pMonth, pYear, callBackFunction) {
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try {
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logger.fileName = MODULE_NAME;
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logger.initialize();
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statusDependencies = pStatusDependencies;
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callBackFunction(global.DEFAULT_OK_RESPONSE);
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} catch (err) {
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logger.write(MODULE_NAME, "[ERROR] initialize -> err = " + err.stack);
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callBackFunction(global.DEFAULT_FAIL_RESPONSE);
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}
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}
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function start(callBackFunction) {
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try {
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begin()
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async function begin() {
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getContextVariables()
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defineSince()
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await getTrades()
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await saveTrades()
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}
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function getContextVariables() {
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try {
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let reportKey;
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reportKey = "AAMasters" + "-" + "AACharly" + "-" + "Historic-Trades" + "-" + "dataSet.V1";
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if (FULL_LOG === true) { logger.write(MODULE_NAME, "[INFO] start -> getContextVariables -> reportKey = " + reportKey); }
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if (statusDependencies.statusReports.get(reportKey).status === "Status Report is corrupt.") {
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logger.write(MODULE_NAME, "[ERROR] start -> getContextVariables -> Can not continue because dependecy Status Report is corrupt. ");
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callBackFunction(global.DEFAULT_RETRY_RESPONSE);
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return;
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}
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thisReport = statusDependencies.statusReports.get(reportKey)
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if (thisReport.file.beginingOfMarket !== undefined) { // This means this is not the first time this process run.
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beginingOfMarket = new Date(thisReport.file.beginingOfMarket.year + "-" + thisReport.file.beginingOfMarket.month + "-" + thisReport.file.beginingOfMarket.days + " " + thisReport.file.beginingOfMarket.hours + ":" + thisReport.file.beginingOfMarket.minutes + GMT_SECONDS);
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lastFileSaved = new Date(thisReport.file.lastFileSaved.year + "-" + thisReport.file.lastFileSaved.month + "-" + thisReport.file.lastFileSaved.days + " " + thisReport.file.lastFileSaved.hours + ":" + thisReport.file.lastFileSaved.minutes + GMT_SECONDS);
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} else { // This means this is the first time this process run.
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beginingOfMarket = new Date()
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}
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} catch (err) {
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logger.write(MODULE_NAME, "[ERROR] start -> getContextVariables -> err = " + err.stack);
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if (err.message === "Cannot read property 'file' of undefined") {
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logger.write(MODULE_NAME, "[HINT] start -> getContextVariables -> Check the bot Status Dependencies. ");
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logger.write(MODULE_NAME, "[HINT] start -> getContextVariables -> Dependencies loaded -> keys = " + JSON.stringify(statusDependencies.keys));
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}
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callBackFunction(global.DEFAULT_FAIL_RESPONSE);
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}
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}
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function defineSince() {
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let uiStartDate = new Date(bot.uiStartDate)
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if (uiStartDate.valueOf() < beginingOfMarket.valueOf()) {
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since = (new Date(bot.uiStartDate)).valueOf()
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initialProcessTimestamp = since
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beginingOfMarket = new Date(uiStartDate.valueOf())
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} else {
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since = lastFileSaved.valueOf()
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initialProcessTimestamp = lastFileSaved.valueOf()
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}
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}
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async function getTrades() {
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let lastTradeKey = ''
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const limit = 1000
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const exchangeId = bot.exchange.toLowerCase()
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const exchangeClass = ccxt[exchangeId]
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const exchange = new exchangeClass({
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'timeout': 30000,
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'enableRateLimit': true//,
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//verbose: true
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})
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try {
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while (since < exchange.milliseconds()) {
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/* Reporting we are doing well */
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let processingDate = new Date(since)
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processingDate = processingDate.getUTCFullYear() + '-' + utilities.pad(processingDate.getUTCMonth() + 1, 2) + '-' + utilities.pad(processingDate.getUTCDate(), 2);
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if (FULL_LOG === true) { logger.write(MODULE_NAME, "[INFO] start -> getTrades -> Fetching Trades @ " + processingDate + "-> exchange = " + bot.exchange + " -> symbol = " + symbol + " -> since = " + since + " -> limit = " + limit ) }
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console.log("Charly -> " + MODULE_NAME + " -> start -> getTrades -> Fetching Trades from " + bot.exchange + " " + symbol + " @ " + processingDate)
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bot.processHeartBeat("Fetching " + bot.exchange + " " + symbol + " @ " + processingDate) // tell the world we are alive and doing well
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/* Fetching the trades from the exchange.*/
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const trades = await exchange.fetchTrades(symbol, since, limit)
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if (trades.length > 1 && allTrades.length < MAX_TRADES_PER_EXECUTION) {
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since = trades[trades.length - 1]['timestamp']
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for (let i = 0; i < trades.length; i++) {
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let trade = trades[i]
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let tradeKey = trade.timestamp + '-' + trade.side + '-' + trade.price.toFixed(16) + '-' + trade.amount.toFixed(16)
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if (tradeKey !== lastTradeKey) {
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allTrades.push([trade.timestamp, trade.side, trade.price, trade.amount])
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}
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lastTradeKey = tradeKey
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}
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} else {
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break
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}
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}
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} catch (err) {
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logger.write(MODULE_NAME, "[ERROR] start -> getTrades -> err = " + err.stack);
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callBackFunction(global.DEFAULT_FAIL_RESPONSE);
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}
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}
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async function saveTrades() {
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try {
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let fileContent = '['
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let previousRecordMinute = Math.trunc((initialProcessTimestamp - ONE_MINUTE) / ONE_MINUTE)
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let currentRecordMinute
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let needSeparator = false
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let error
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let separator
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let heartBeatCounter = 0
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let i = -1
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controlLoop()
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function loop() {
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let filesToCreate = 0
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let filesCreated = 0
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let record = allTrades[i]
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let trade = {
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timestamp: record[0],
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side: record[1],
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price: record[2],
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amount: record[3]
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}
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/* Reporting we are doing well */
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heartBeatCounter--
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if (heartBeatCounter <= 0) {
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heartBeatCounter = 1000
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let processingDate = new Date(trade.timestamp)
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processingDate = processingDate.getUTCFullYear() + '-' + utilities.pad(processingDate.getUTCMonth() + 1, 2) + '-' + utilities.pad(processingDate.getUTCDate(), 2);
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if (FULL_LOG === true) { logger.write(MODULE_NAME, "[INFO] start -> saveTrades -> Saving Trades @ " + processingDate + " -> i = " + i + " -> total = " + allTrades.length) }
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console.log("Charly -> " + MODULE_NAME + " -> start -> saveTrades -> Saving Trades from " + bot.exchange + " " + symbol + " @ " + processingDate)
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bot.processHeartBeat("Saving " + bot.exchange + " " + symbol + " @ " + processingDate) // tell the world we are alive and doing well
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}
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/* Saving the trades in Files*/
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currentRecordMinute = Math.trunc(trade.timestamp / ONE_MINUTE)
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if (
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currentRecordMinute !== previousRecordMinute
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) {
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/* There are no more trades at this minute or it is the last trade, so we save the file.*/
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saveFile()
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}
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if (needSeparator === false) {
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needSeparator = true;
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separator = '';
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} else {
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separator = ',';
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}
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/* Add the trade to the file content.*/
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fileContent = fileContent + separator + '[' + trade.timestamp + ',"' + trade.side + '",' + trade.price + ',' + trade.amount + ']';
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if (i === allTrades.length) {
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/* This is the last trade, so we save the file.*/
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saveFile()
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/* It might happen that there are several minutes after the last trade without trades. We need to record empty files for them.*/
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if (allTrades.length < MAX_TRADES_PER_EXECUTION) {
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let currentTimeMinute = Math.trunc((new Date()).valueOf() / ONE_MINUTE)
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if (currentTimeMinute - currentRecordMinute > 1) {
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createMissingEmptyFiles(currentRecordMinute, currentTimeMinute)
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}
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}
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return
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}
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previousRecordMinute = currentRecordMinute
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if (error) {
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callBackFunction(error);
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return;
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}
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if (filesToCreate === 0) {
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controlLoop()
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}
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function saveFile() {
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fileContent = fileContent + ']'
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if (currentRecordMinute - previousRecordMinute > 1) {
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createMissingEmptyFiles(previousRecordMinute, currentRecordMinute)
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}
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let fileName = bot.market.baseAsset + '_' + bot.market.quotedAsset + '.json'
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filesToCreate++
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fileStorage.createTextFile(bot.dataMine, getFilePath(currentRecordMinute * ONE_MINUTE) + '/' + fileName, fileContent + '\n', onFileCreated);
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fileContent = '['
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needSeparator = false
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}
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function createMissingEmptyFiles(begin, end) {
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for (let j = begin + 1; j < end; j++) {
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let fileName = bot.market.baseAsset + '_' + bot.market.quotedAsset + '.json'
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filesToCreate++
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fileStorage.createTextFile(bot.dataMine, getFilePath(j * ONE_MINUTE) + '/' + fileName, "[]" + '\n', onFileCreated);
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}
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}
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function onFileCreated(err) {
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if (err.result !== global.DEFAULT_OK_RESPONSE.result) {
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logger.write(MODULE_NAME, "[ERROR] start -> tradesReadyToBeSaved -> onFileBCreated -> err = " + JSON.stringify(err));
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error = err // This allows the loop to be breaked.
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return;
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}
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filesCreated++
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lastFileSaved = new Date((currentRecordMinute * ONE_MINUTE))
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if (filesCreated === filesToCreate) {
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controlLoop()
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}
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}
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function getFilePath(timestamp) {
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let datetime = new Date(timestamp)
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let dateForPath = datetime.getUTCFullYear() + '/' +
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utilities.pad(datetime.getUTCMonth() + 1, 2) + '/' +
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utilities.pad(datetime.getUTCDate(), 2) + '/' +
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utilities.pad(datetime.getUTCHours(), 2) + '/' +
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utilities.pad(datetime.getUTCMinutes(), 2)
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let filePath = bot.filePathRoot + "/Output/" + TRADES_FOLDER_NAME + '/' + dateForPath;
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return filePath
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}
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}
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function controlLoop() {
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i++
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if (i < allTrades.length) {
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loop()
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} else {
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writeStatusReport()
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}
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}
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} catch (err) {
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logger.write(MODULE_NAME, "[ERROR] start -> saveTrades -> err = " + err.stack);
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callBackFunction(global.DEFAULT_FAIL_RESPONSE);
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}
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}
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function writeStatusReport() {
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try {
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if (lastFileSaved === undefined) {return}
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thisReport.file = {
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lastFileSaved: {
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year: lastFileSaved.getUTCFullYear(),
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month: (lastFileSaved.getUTCMonth() + 1),
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days: lastFileSaved.getUTCDate(),
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hours: lastFileSaved.getUTCHours(),
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minutes: lastFileSaved.getUTCMinutes()
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},
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beginingOfMarket: {
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year: beginingOfMarket.getUTCFullYear(),
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month: (beginingOfMarket.getUTCMonth() + 1),
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days: beginingOfMarket.getUTCDate(),
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hours: beginingOfMarket.getUTCHours(),
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minutes: beginingOfMarket.getUTCMinutes()
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},
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completeHistory: true
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};
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thisReport.save(onSaved);
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function onSaved(err) {
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if (err.result !== global.DEFAULT_OK_RESPONSE.result) {
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logger.write(MODULE_NAME, "[ERROR] start -> writeStatusReport -> onSaved -> err = " + err.stack);
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callBackFunction(err);
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return;
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}
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callBackFunction(global.DEFAULT_OK_RESPONSE);
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}
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} catch (err) {
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logger.write(MODULE_NAME, "[ERROR] start -> writeStatusReport -> err = " + err.stack);
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callBackFunction(global.DEFAULT_FAIL_RESPONSE);
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}
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}
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} catch (err) {
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logger.write(MODULE_NAME, "[ERROR] start -> err = " + err.stack);
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callBackFunction(global.DEFAULT_FAIL_RESPONSE);
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}
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}
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};
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