63 lines
2.0 KiB
JavaScript
63 lines
2.0 KiB
JavaScript
import axios from 'axios';
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import bityConfig from 'config/bity';
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// https://stackoverflow.com/questions/9828684/how-to-get-all-arguments-of-a-callback-function
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export function combineAndUpper() {
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const args = [];
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let newString = '';
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for (let i = 0; i < arguments.length; ++i) args[i] = arguments[i];
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args.forEach(each => {
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newString = newString.concat(each.toUpperCase());
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});
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return newString;
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}
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export default class Bity {
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findRateFromBityRateList(rateObjects, pairName) {
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return rateObjects.find(x => x.pair === pairName);
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}
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_getRate(bityRates, origin, destination) {
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const pairName = combineAndUpper(origin, destination);
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const rateObjects = bityRates.data.objects;
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return this.findRateFromBityRateList(rateObjects, pairName);
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}
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/**
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* Gives you multiple rates from Bitys API without making multiple API calls
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* @param arrayOfOriginAndDestinationDicts - [{origin: 'BTC', destination: 'ETH'}, {origin: 'BTC', destination: 'REP}]
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*/
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getMultipleRates(arrayOfOriginAndDestinationDicts) {
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const mappedRates = {};
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return this.requestAllRates().then(bityRates => {
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arrayOfOriginAndDestinationDicts.forEach(each => {
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const origin = each.origin;
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const destination = each.destination;
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const pairName = combineAndUpper(origin, destination);
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const rate = this._getRate(bityRates, origin, destination);
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mappedRates[pairName] = parseFloat(rate.rate_we_sell);
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});
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return mappedRates;
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});
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// TODO - catch errors
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}
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getAllRates() {
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const mappedRates = {};
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return this.requestAllRates().then(bityRates => {
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bityRates.data.objects.forEach(each => {
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const pairName = each.pair;
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mappedRates[pairName] = parseFloat(each.rate_we_sell);
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});
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return mappedRates;
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});
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// TODO - catch errors
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}
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requestAllRates() {
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const path = '/v1/rate2/';
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const bityURL = bityConfig.bityAPI + path;
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return axios.get(bityURL);
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}
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}
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