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metaapi.cloud-sdk

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SDK for MetaApi, a professional cloud forex API which includes MetaTrader REST API and MetaTrader websocket API. Supports both MetaTrader 5 (MT5) and MetaTrader 4 (MT4). CopyFactory copy trading API included. (https://metaapi.cloud)

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"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); Object.defineProperty(exports, "default", { enumerable: true, get: function() { return MemoryHistoryStorage; } }); const _historyStorage = /*#__PURE__*/ _interop_require_default(require("./historyStorage")); const _index = /*#__PURE__*/ _interop_require_default(require("./historyDatabase/index")); const _binarysearchtree = require("binary-search-tree"); const _logger = /*#__PURE__*/ _interop_require_default(require("../logger")); function _interop_require_default(obj) { return obj && obj.__esModule ? obj : { default: obj }; } let MemoryHistoryStorage = class MemoryHistoryStorage extends _historyStorage.default { /** * Initializes the storage and loads required data from a persistent storage * @param {string} accountId account id * @param {string} [application] application. Default is MetaApi */ async initialize(accountId, application = "MetaApi") { await super.initialize(accountId, application); let { deals, historyOrders } = await this._historyDatabase.loadHistory(accountId, application); for (let deal of deals){ await this._addDeal(deal, true); } for (let historyOrder of historyOrders){ await this._addHistoryOrder(historyOrder, true); } } /** * Resets the storage. Intended for use in tests * @returns {Promise} promise when the history is removed */ async clear() { this._reset(); await this._historyDatabase.clear(this._accountId, this._application); } /** * Returns the time of the last history order record stored in the history storage * @param {Number} [instanceNumber] index of an account instance connected * @returns {Date} the time of the last history order record stored in the history storage */ lastHistoryOrderTime(instanceNumber) { return this._maxHistoryOrderTime; } /** * Returns the time of the last history deal record stored in the history storage * @param {Number} [instanceNumber] index of an account instance connected * @returns {Date} the time of the last history deal record stored in the history storage */ lastDealTime(instanceNumber) { return this._maxDealTime; } /** * Invoked when a new MetaTrader history order is added * @param {String} instanceIndex index of an account instance connected * @param {MetatraderOrder} historyOrder new MetaTrader history order */ async onHistoryOrderAdded(instanceIndex, historyOrder) { await this._addHistoryOrder(historyOrder); } /** * Invoked when a new MetaTrader history deal is added * @param {String} instanceIndex index of an account instance connected * @param {MetatraderDeal} deal new MetaTrader history deal */ async onDealAdded(instanceIndex, deal) { await this._addDeal(deal); } /** * Returns all deals * @returns {Array<MetatraderDeal>} all deals */ get deals() { return this.getDealsByTimeRange(new Date(0), new Date(8640000000000000)); } /** * Returns deals by ticket id * @param {string} id ticket id * @returns {Array<MetatraderDeal>} deals found */ getDealsByTicket(id) { let deals = Object.values(this._dealsByTicket[id] || {}); deals.sort(this._dealsComparator); return deals; } /** * Returns deals by position id * @param {string} positionId position id * @returns {Array<MetatraderDeal>} deals found */ getDealsByPosition(positionId) { let deals = Object.values(this._dealsByPosition[positionId] || {}); deals.sort(this._dealsComparator); return deals; } /** * Returns deals by time range * @param startTime start time, inclusive * @param endTime end time, inclusive * @returns {Array<MetatraderDeal>} deals found */ getDealsByTimeRange(startTime, endTime) { let deals = this._dealsByTime.betweenBounds({ $gte: { time: startTime, id: 0, entryType: "" }, $lte: { time: endTime, id: Number.MAX_VALUE, entryType: "" } }); return deals; } /** * Returns all history orders * @returns {Array<MetatraderOrder>} all history orders */ get historyOrders() { return this.getHistoryOrdersByTimeRange(new Date(0), new Date(8640000000000000)); } /** * Returns history orders by ticket id * @param {string} id ticket id * @returns {Array<MetatraderOrder>} history orders found */ getHistoryOrdersByTicket(id) { let historyOrders = Object.values(this._historyOrdersByTicket[id] || {}); historyOrders.sort(this._historyOrdersComparator); return historyOrders; } /** * Returns history orders by position id * @param {string} positionId position id * @returns {Array<MetatraderOrder>} history orders found */ getHistoryOrdersByPosition(positionId) { let historyOrders = Object.values(this._historyOrdersByPosition[positionId] || {}); historyOrders.sort(this._historyOrdersComparator); return historyOrders; } /** * Returns history orders by time range * @param startTime start time, inclusive * @param endTime end time, inclusive * @returns {Array<MetatraderOrder>} hisotry orders found */ getHistoryOrdersByTimeRange(startTime, endTime) { let historyOrders = this._historyOrdersByTime.betweenBounds({ $gte: { doneTime: startTime, id: 0, type: "", state: "" }, $lte: { doneTime: endTime, id: Number.MAX_VALUE, type: "", state: "" } }); return historyOrders; } /** * Invoked when a synchronization of history deals on a MetaTrader account have finished to indicate progress of an * initial terminal state synchronization * @param {String} instanceIndex index of an account instance connected * @param {String} synchronizationId synchronization request id * @return {Promise} promise which resolves when the asynchronous event is processed */ async onDealsSynchronized(instanceIndex, synchronizationId) { await this._flushDatabase(); await super.onDealsSynchronized(instanceIndex, synchronizationId); } _reset() { this._orderSynchronizationFinished = {}; this._dealSynchronizationFinished = {}; this._dealsByTicket = {}; this._dealsByPosition = {}; this._historyOrdersByTicket = {}; this._historyOrdersByPosition = {}; // eslint-disable-next-line complexity this._historyOrdersComparator = (o1, o2)=>{ let timeDiff = (o1.doneTime || new Date(0)).getTime() - (o2.doneTime || new Date(0)).getTime(); if (timeDiff === 0) { let idDiff = o1.id - o2.id; if (idDiff === 0) { if (o1.type > o2.type) { return 1; } else if (o1.type < o2.type) { return -1; } else { if (o1.state > o2.state) { return 1; } else if (o1.state < o2.state) { return -1; } else { return 0; } } } else { return idDiff; } } else { return timeDiff; } }; this._historyOrdersByTime = new _binarysearchtree.AVLTree({ compareKeys: this._historyOrdersComparator }); this._dealsComparator = (d1, d2)=>{ let timeDiff = (d1.time || new Date(0)).getTime() - (d2.time || new Date(0)).getTime(); if (timeDiff === 0) { let idDiff = d1.id - d2.id; if (idDiff === 0) { if (d1.entryType > d2.entryType) { return 1; } else if (d1.entryType < d2.entryType) { return -1; } else { return 0; } } else { return idDiff; } } else { return timeDiff; } }; this._dealsByTime = new _binarysearchtree.AVLTree({ compareKeys: this._dealsComparator }); this._maxHistoryOrderTime = new Date(0); this._maxDealTime = new Date(0); this._newHistoryOrders = []; this._newDeals = []; clearTimeout(this._flushTimeout); delete this._flushTimeout; } // eslint-disable-next-line complexity async _addDeal(deal, existing) { let key = this._getDealKey(deal); this._dealsByTicket[deal.id] = this._dealsByTicket[deal.id] || {}; let newDeal = !existing && !this._dealsByTicket[deal.id][key]; this._dealsByTicket[deal.id][key] = deal; if (deal.positionId) { this._dealsByPosition[deal.positionId] = this._dealsByPosition[deal.positionId] || {}; this._dealsByPosition[deal.positionId][key] = deal; } this._dealsByTime.delete(deal); this._dealsByTime.insert(deal, deal); if (deal.time && (!this._maxDealTime || this._maxDealTime.getTime() < deal.time.getTime())) { this._maxDealTime = deal.time; } if (newDeal) { this._newDeals.push(deal); clearTimeout(this._flushTimeout); this._flushTimeout = setTimeout(this._flushDatabase.bind(this), 5000); } } _getDealKey(deal) { return (deal.time || new Date(0)).toISOString() + ":" + deal.id + ":" + deal.entryType; } // eslint-disable-next-line complexity async _addHistoryOrder(historyOrder, existing) { let key = this._getHistoryOrderKey(historyOrder); this._historyOrdersByTicket[historyOrder.id] = this._historyOrdersByTicket[historyOrder.id] || {}; let newHistoryOrder = !existing && !this._historyOrdersByTicket[historyOrder.id][key]; this._historyOrdersByTicket[historyOrder.id][key] = historyOrder; if (historyOrder.positionId) { this._historyOrdersByPosition[historyOrder.positionId] = this._historyOrdersByPosition[historyOrder.positionId] || {}; this._historyOrdersByPosition[historyOrder.positionId][key] = historyOrder; } this._historyOrdersByTime.delete(historyOrder); this._historyOrdersByTime.insert(historyOrder, historyOrder); if (historyOrder.doneTime && (!this._maxHistoryOrderTime || this._maxHistoryOrderTime.getTime() < historyOrder.doneTime.getTime())) { this._maxHistoryOrderTime = historyOrder.doneTime; } if (newHistoryOrder) { this._newHistoryOrders.push(historyOrder); clearTimeout(this._flushTimeout); this._flushTimeout = setTimeout(this._flushDatabase.bind(this), 5000); } } _getHistoryOrderKey(historyOrder) { return (historyOrder.doneTime || new Date(0)).toISOString() + ":" + historyOrder.id + ":" + historyOrder.type + ":" + historyOrder.state; } async _flushDatabase() { if (this._flushPromise) { await this._flushPromise; } if (this._flushRunning) { return; } this._flushRunning = true; let resolve; this._flushPromise = new Promise((res)=>resolve = res); try { await this._historyDatabase.flush(this._accountId, this._application, this._newHistoryOrders, this._newDeals); this._newHistoryOrders = []; this._newDeals = []; this._logger.debug(`${this._accountId}: flushed history db`); } catch (err) { this._logger.warn(`${this._accountId}: error flushing history db`, err); this._flushTimeout = setTimeout(this._flushDatabase.bind(this), 15000); } finally{ resolve(); this._flushRunning = false; } } /** * Constructs the in-memory history store instance */ constructor(){ super(); this._historyDatabase = _index.default.getInstance(); this._reset(); this._logger = _logger.default.getLogger("MemoryHistoryStorage"); } }; //# sourceMappingURL=data:application/json;base64,{"version":3,"sources":["<anon>"],"sourcesContent":["'use strict';\n\nimport HistoryStorage from './historyStorage';\nimport HistoryDatabase from './historyDatabase/index';\nimport { AVLTree } from 'binary-search-tree';\nimport LoggerManager from '../logger';\n\n/**\n * History storage which stores MetaTrader history in RAM\n */\nexport default class MemoryHistoryStorage extends HistoryStorage {\n\n  /**\n   * Constructs the in-memory history store instance\n   */\n  constructor() {\n    super();\n    this._historyDatabase = HistoryDatabase.getInstance();\n    this._reset();\n    this._logger = LoggerManager.getLogger('MemoryHistoryStorage');\n  }\n\n  /**\n   * Initializes the storage and loads required data from a persistent storage\n   * @param {string} accountId account id\n   * @param {string} [application] application. Default is MetaApi\n   */\n  async initialize(accountId, application = 'MetaApi') {\n    await super.initialize(accountId, application);\n    let {deals, historyOrders} = await this._historyDatabase.loadHistory(accountId, application);\n    for (let deal of deals) {\n      await this._addDeal(deal, true);\n    }\n    for (let historyOrder of historyOrders) {\n      await this._addHistoryOrder(historyOrder, true);\n    }\n  }\n\n  /**\n   * Resets the storage. Intended for use in tests\n   * @returns {Promise} promise when the history is removed\n   */\n  async clear() {\n    this._reset();\n    await this._historyDatabase.clear(this._accountId, this._application);\n  }\n\n  /**\n   * Returns the time of the last history order record stored in the history storage\n   * @param {Number} [instanceNumber] index of an account instance connected\n   * @returns {Date} the time of the last history order record stored in the history storage\n   */\n  lastHistoryOrderTime(instanceNumber) {\n    return this._maxHistoryOrderTime;\n  }\n\n  /**\n   * Returns the time of the last history deal record stored in the history storage\n   * @param {Number} [instanceNumber] index of an account instance connected\n   * @returns {Date} the time of the last history deal record stored in the history storage\n   */\n  lastDealTime(instanceNumber) {\n    return this._maxDealTime;\n  }\n\n  /**\n   * Invoked when a new MetaTrader history order is added\n   * @param {String} instanceIndex index of an account instance connected\n   * @param {MetatraderOrder} historyOrder new MetaTrader history order\n   */\n  async onHistoryOrderAdded(instanceIndex, historyOrder) {\n    await this._addHistoryOrder(historyOrder);\n  }\n\n  /**\n   * Invoked when a new MetaTrader history deal is added\n   * @param {String} instanceIndex index of an account instance connected\n   * @param {MetatraderDeal} deal new MetaTrader history deal\n   */\n  async onDealAdded(instanceIndex, deal) {\n    await this._addDeal(deal);\n  }\n\n  /**\n   * Returns all deals\n   * @returns {Array<MetatraderDeal>} all deals\n   */\n  get deals() {\n    return this.getDealsByTimeRange(new Date(0), new Date(8640000000000000));\n  }\n\n  /**\n   * Returns deals by ticket id\n   * @param {string} id ticket id\n   * @returns {Array<MetatraderDeal>} deals found\n   */\n  getDealsByTicket(id) {\n    let deals = Object.values(this._dealsByTicket[id] || {});\n    deals.sort(this._dealsComparator);\n    return deals;\n  }\n\n  /**\n   * Returns deals by position id\n   * @param {string} positionId position id\n   * @returns {Array<MetatraderDeal>} deals found\n   */\n  getDealsByPosition(positionId) {\n    let deals = Object.values(this._dealsByPosition[positionId] || {});\n    deals.sort(this._dealsComparator);\n    return deals;\n  }\n\n  /**\n   * Returns deals by time range\n   * @param startTime start time, inclusive\n   * @param endTime end time, inclusive\n   * @returns {Array<MetatraderDeal>} deals found\n   */\n  getDealsByTimeRange(startTime, endTime) {\n    let deals = this._dealsByTime.betweenBounds({\n      $gte: {time: startTime, id: 0, entryType: ''},\n      $lte: {time: endTime, id: Number.MAX_VALUE, entryType: ''}\n    });\n    return deals;\n  }\n\n  /**\n   * Returns all history orders\n   * @returns {Array<MetatraderOrder>} all history orders\n   */\n  get historyOrders() {\n    return this.getHistoryOrdersByTimeRange(new Date(0), new Date(8640000000000000));\n  }\n\n  /**\n   * Returns history orders by ticket id\n   * @param {string} id ticket id\n   * @returns {Array<MetatraderOrder>} history orders found\n   */\n  getHistoryOrdersByTicket(id) {\n    let historyOrders = Object.values(this._historyOrdersByTicket[id] || {});\n    historyOrders.sort(this._historyOrdersComparator);\n    return historyOrders;\n  }\n\n  /**\n   * Returns history orders by position id\n   * @param {string} positionId position id\n   * @returns {Array<MetatraderOrder>} history orders found\n   */\n  getHistoryOrdersByPosition(positionId) {\n    let historyOrders = Object.values(this._historyOrdersByPosition[positionId] || {});\n    historyOrders.sort(this._historyOrdersComparator);\n    return historyOrders;\n  }\n\n  /**\n   * Returns history orders by time range\n   * @param startTime start time, inclusive\n   * @param endTime end time, inclusive\n   * @returns {Array<MetatraderOrder>} hisotry orders found\n   */\n  getHistoryOrdersByTimeRange(startTime, endTime) {\n    let historyOrders = this._historyOrdersByTime.betweenBounds({\n      $gte: {doneTime: startTime, id: 0, type: '', state: ''},\n      $lte: {doneTime: endTime, id: Number.MAX_VALUE, type: '', state: ''}\n    });\n    return historyOrders;\n  }\n\n  /**\n   * Invoked when a synchronization of history deals on a MetaTrader account have finished to indicate progress of an\n   * initial terminal state synchronization\n   * @param {String} instanceIndex index of an account instance connected\n   * @param {String} synchronizationId synchronization request id\n   * @return {Promise} promise which resolves when the asynchronous event is processed\n   */\n  async onDealsSynchronized(instanceIndex, synchronizationId) {\n    await this._flushDatabase();\n    await super.onDealsSynchronized(instanceIndex, synchronizationId);\n  }\n\n  _reset() {\n    this._orderSynchronizationFinished = {};\n    this._dealSynchronizationFinished = {};\n    this._dealsByTicket = {};\n    this._dealsByPosition = {};\n    this._historyOrdersByTicket = {};\n    this._historyOrdersByPosition = {};\n    // eslint-disable-next-line complexity\n    this._historyOrdersComparator = (o1, o2) => {\n      let timeDiff = (o1.doneTime || new Date(0)).getTime() - (o2.doneTime || new Date(0)).getTime();\n      if (timeDiff === 0) {\n        let idDiff = o1.id - o2.id;\n        if (idDiff === 0) {\n          if (o1.type > o2.type) {\n            return 1;\n          } else if (o1.type < o2.type) {\n            return -1;\n          } else {\n            if (o1.state > o2.state) {\n              return 1;\n            } else if (o1.state < o2.state) {\n              return -1;\n            } else {\n              return 0;\n            }\n          }\n        } else {\n          return idDiff;\n        }\n      } else {\n        return timeDiff;\n      }\n    };\n    this._historyOrdersByTime = new AVLTree({compareKeys: this._historyOrdersComparator});\n    this._dealsComparator = (d1, d2) => {\n      let timeDiff = (d1.time || new Date(0)).getTime() - (d2.time || new Date(0)).getTime();\n      if (timeDiff === 0) {\n        let idDiff = d1.id - d2.id;\n        if (idDiff === 0) {\n          if (d1.entryType > d2.entryType) {\n            return 1;\n          } else if (d1.entryType < d2.entryType) {\n            return -1;\n          } else {\n            return 0;\n          }\n        } else {\n          return idDiff;\n        }\n      } else {\n        return timeDiff;\n      }\n    };\n    this._dealsByTime = new AVLTree({compareKeys: this._dealsComparator});\n    this._maxHistoryOrderTime = new Date(0);\n    this._maxDealTime = new Date(0);\n    this._newHistoryOrders = [];\n    this._newDeals = [];\n    clearTimeout(this._flushTimeout);\n    delete this._flushTimeout;\n  }\n\n  // eslint-disable-next-line complexity\n  async _addDeal(deal, existing) {\n    let key = this._getDealKey(deal);\n    this._dealsByTicket[deal.id] = this._dealsByTicket[deal.id] || {};\n    let newDeal = !existing && !this._dealsByTicket[deal.id][key];\n    this._dealsByTicket[deal.id][key] = deal;\n    if (deal.positionId) {\n      this._dealsByPosition[deal.positionId] = this._dealsByPosition[deal.positionId] || {};\n      this._dealsByPosition[deal.positionId][key] = deal;\n    }\n    this._dealsByTime.delete(deal);\n    this._dealsByTime.insert(deal, deal);\n    if (deal.time && (!this._maxDealTime || this._maxDealTime.getTime() < deal.time.getTime())) {\n      this._maxDealTime = deal.time;\n    }\n    if (newDeal) {\n      this._newDeals.push(deal);\n      clearTimeout(this._flushTimeout);\n      this._flushTimeout = setTimeout(this._flushDatabase.bind(this), 5000);\n    }\n  }\n\n  _getDealKey(deal) {\n    return (deal.time || new Date(0)).toISOString() + ':' + deal.id + ':' + deal.entryType;\n  }\n\n  // eslint-disable-next-line complexity\n  async _addHistoryOrder(historyOrder, existing) {\n    let key = this._getHistoryOrderKey(historyOrder);\n    this._historyOrdersByTicket[historyOrder.id] = this._historyOrdersByTicket[historyOrder.id] || {};\n    let newHistoryOrder = !existing && !this._historyOrdersByTicket[historyOrder.id][key];\n    this._historyOrdersByTicket[historyOrder.id][key] = historyOrder;\n    if (historyOrder.positionId) {\n      this._historyOrdersByPosition[historyOrder.positionId] = this._historyOrdersByPosition[historyOrder.positionId] ||\n        {};\n      this._historyOrdersByPosition[historyOrder.positionId][key] = historyOrder;\n    }\n    this._historyOrdersByTime.delete(historyOrder);\n    this._historyOrdersByTime.insert(historyOrder, historyOrder);\n    if (historyOrder.doneTime && (!this._maxHistoryOrderTime ||\n        this._maxHistoryOrderTime.getTime() < historyOrder.doneTime.getTime())) {\n      this._maxHistoryOrderTime = historyOrder.doneTime;\n    }\n    if (newHistoryOrder) {\n      this._newHistoryOrders.push(historyOrder);\n      clearTimeout(this._flushTimeout);\n      this._flushTimeout = setTimeout(this._flushDatabase.bind(this), 5000);\n    }\n  }\n\n  _getHistoryOrderKey(historyOrder) {\n    return (historyOrder.doneTime || new Date(0)).toISOString() + ':' + historyOrder.id + ':' +\n      historyOrder.type + ':' + historyOrder.state;\n  }\n\n  async _flushDatabase() {\n    if (this._flushPromise) {\n      await this._flushPromise;\n    }\n    if (this._flushRunning) {\n      return;\n    }\n    this._flushRunning = true;\n    let resolve;\n    this._flushPromise = new Promise(res => resolve = res);\n    try {\n      await this._historyDatabase.flush(this._accountId, this._application, this._newHistoryOrders, this._newDeals);\n      this._newHistoryOrders = [];\n      this._newDeals = [];\n      this._logger.debug(`${this._accountId}: flushed history db`);\n    } catch (err) {\n      this._logger.warn(`${this._accountId}: error flushing history db`, err);\n      this._flushTimeout = setTimeout(this._flushDatabase.bind(this), 15000);\n    } finally {\n      resolve();\n      this._flushRunning = false;\n    }\n  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