@abcpros/bitcore-wallet-service/ts_build/lib/currencyrate.js

A service for Mutisig HD Bitcoin Wallets

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.CurrencyRateService = void 0;
var async = __importStar(require("async"));
var lodash_1 = __importDefault(require("lodash"));
var request = __importStar(require("request"));
var storage_1 = require("./storage");
var config = require('../config');
var $ = require('preconditions').singleton();
var Common = require('./common');
var Defaults = Common.Defaults;
var Constants = Common.Constants;
var logger_1 = __importDefault(require("./logger"));
var CurrencyRateService = (function () {
    function CurrencyRateService() {
        this.apiKey = '';
    }
    CurrencyRateService.prototype.init = function (opts, cb) {
        var _this = this;
        opts = opts || {};
        this.request = opts.request || request;
        this.apiKey = opts.apiKey || opts.currencyRateServiceOpts.apiKey;
        this.apiUrl = opts.apiUrl || opts.currencyRateServiceOpts.apiUrl;
        async.parallel([
            function (done) {
                if (opts.storage) {
                    _this.storage = opts.storage;
                    done();
                }
                else {
                    _this.storage = new storage_1.Storage();
                    _this.storage.connect(opts.storageOpts, done);
                }
            }
        ], function (err) {
            if (err) {
                logger_1.default.error(err);
            }
            return cb(err);
        });
    };
    CurrencyRateService.prototype.startCron = function (opts, cb) {
        var _this = this;
        opts = opts || {};
        var interval = opts.currencyRateServiceOpts.fetchInterval || Defaults.FIAT_RATE_FETCH_INTERVAL;
        if (interval) {
            this._fetch();
            setInterval(function () {
                _this._fetch();
            }, interval * 60 * 1000);
        }
        return cb();
    };
    CurrencyRateService.prototype._fetch = function (cb) {
        var _this = this;
        cb = cb || function () { };
        this._retrieve(function (err, res) {
            if (err) {
                logger_1.default.warn('Error retrieving data', err);
            }
            if (!!res && res.length > 0) {
                _this.storage.storeCurrencyRate(res, function (err) {
                    if (err) {
                        logger_1.default.warn('Error storing data', err);
                    }
                });
            }
        });
    };
    CurrencyRateService.prototype._retrieve = function (cb) {
        var _this = this;
        logger_1.default.debug('Fetching data for currency rate ');
        var params = {
            apikey: this.apiKey
        };
        this.request.get({
            url: this.apiUrl,
            qs: params,
            useQuerystring: true,
            json: true
        }, function (err, res, body) {
            if (err || !body) {
                return cb(err);
            }
            logger_1.default.debug('Data for currency rate fetched successfully');
            try {
                var rates = _this.convertRates(body.data);
                return cb(null, rates);
            }
            catch (e) {
                return cb(e);
            }
        });
    };
    CurrencyRateService.prototype.convertRates = function (raw) {
        return lodash_1.default.compact(Object.keys(raw).map(function (key) {
            if (!raw[key])
                return null;
            return {
                code: key,
                value: +raw[key].value
            };
        }));
    };
    return CurrencyRateService;
}());
exports.CurrencyRateService = CurrencyRateService;
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