66 lines
2.6 KiB
JavaScript
66 lines
2.6 KiB
JavaScript
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const request = require('request-promise');
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require('dotenv').config()
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// Source: https://apiv2.bitcoinaverage.com/
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const divisaTraceback = async(timestamp, divisa, amount) => {
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let crypto = ['BTC', 'ETH', 'LTC']
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let normal = ['USD', 'GBP', 'CNY', 'EUR'];
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let opt = { method: 'GET', json: true };
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let cryptoHeaders = {
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'X-Testing': 'testing',
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'x-ba-key': process.env.APIKEY
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}
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try {
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if((Date.now() - 7776000000) <= (timestamp * 1000)) {
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if(crypto.includes(divisa) || normal.includes(divisa)) {
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if(amount > 0) {
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opt.headers = cryptoHeaders;
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let divisaTraceback = {};
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if(crypto.includes(divisa)) {
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divisaTraceback[crypto.splice(crypto.indexOf(divisa), 1)[0]] = Number(amount);
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Object.assign(divisaTraceback, await requestIteration(normal, divisa, true, timestamp, amount));
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Object.assign(divisaTraceback, await requestIteration(crypto, 'USD', false, timestamp, divisaTraceback['USD']));
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}
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else {
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divisaTraceback[normal.splice(normal.indexOf(divisa), 1)[0]] = Number(amount);
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Object.assign(divisaTraceback, await requestIteration(crypto, divisa, false, timestamp, amount));
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Object.assign(divisaTraceback, await requestIteration(normal, 'BTC', true, timestamp, divisaTraceback['BTC']));
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}
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return(divisaTraceback);
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} else return('The amount must be greater that 0');
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} else return('Currency target invalid');
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} else return('Date out of range')
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} catch(e) {
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return(e);
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}
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};
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const requestIteration = async(set, divisa, flag, timestamp, amount) => {
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let opt = {
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method: 'GET',
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json: true,
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headers: {
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'X-Testing': 'testing',
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'x-ba-key': process.env.APIKEY
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}
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};
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let res = {};
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for (element in set) {
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if(flag) {
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opt.uri = `https://apiv2.bitcoinaverage.com/indices/global/history/${divisa}${set[element]}?at=${timestamp}&resolution=hour`;
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let { average } = await request(opt);
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res[set[element]] = average * amount;
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}
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else {
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opt.uri = `https://apiv2.bitcoinaverage.com/indices/global/history/${set[element]}${divisa}?at=${timestamp}&resolution=hour`;
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let { average } = await request(opt);
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res[set[element]] = amount / average;
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}
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}
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return res;
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};
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module.exports = divisaTraceback;
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