40 lines
1,021 B
JavaScript
40 lines
1,021 B
JavaScript
'use strict';
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var RateService = function($http) {
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this.isAvailable = false;
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this.SAT_TO_BTC = 1 / 1e8;
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var that = this;
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var backoff = 5;
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var retrieve = function() {
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$http({method: 'GET', url: 'https://bitpay.com/api/rates'}).
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success(function(data, status, headers, config) {
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var rates = {};
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data.forEach(function(element) {
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rates[element.code] = element.rate;
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});
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that.isAvailable = true;
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that.rates = rates;
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}).
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error(function(data, status, headers, config) {
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backoff *= 1.5;
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setTimeout(retrieve, backoff * 1000);
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});
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};
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retrieve();
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};
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RateService.prototype.toFiat = function(satoshis, code) {
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if (!this.isAvailable) {
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return 0;
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}
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return satoshis * this.SAT_TO_BTC * this.rates[code];
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};
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RateService.prototype.fromFiat = function(amount, code) {
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if (!this.isAvailable) {
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return 0;
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}
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return amount / this.rates[code] / this.SAT_TO_BTC;
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};
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angular.module('copayApp.services').service('rateService', RateService);
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