carboncreditsbacklog/divisaTraceback.js

66 lines
2.6 KiB
JavaScript
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2020-05-30 18:03:35 +00:00
const request = require('request-promise');
require('dotenv').config()
// Source: https://apiv2.bitcoinaverage.com/
const divisaTraceback = async(timestamp, divisa, amount) => {
let crypto = ['BTC', 'ETH', 'LTC']
let normal = ['USD', 'GBP', 'CNY', 'EUR'];
let opt = { method: 'GET', json: true };
let cryptoHeaders = {
'X-Testing': 'testing',
'x-ba-key': process.env.APIKEY
}
try {
if((Date.now() - 7776000000) <= (timestamp * 1000)) {
if(crypto.includes(divisa) || normal.includes(divisa)) {
if(amount > 0) {
opt.headers = cryptoHeaders;
let divisaTraceback = {};
if(crypto.includes(divisa)) {
divisaTraceback[crypto.splice(crypto.indexOf(divisa), 1)[0]] = Number(amount);
Object.assign(divisaTraceback, await requestIteration(normal, divisa, true, timestamp, amount));
Object.assign(divisaTraceback, await requestIteration(crypto, 'USD', false, timestamp, divisaTraceback['USD']));
}
else {
divisaTraceback[normal.splice(normal.indexOf(divisa), 1)[0]] = Number(amount);
Object.assign(divisaTraceback, await requestIteration(crypto, divisa, false, timestamp, amount));
Object.assign(divisaTraceback, await requestIteration(normal, 'BTC', true, timestamp, divisaTraceback['BTC']));
}
return(divisaTraceback);
} else return('The amount must be greater that 0');
} else return('Currency target invalid');
} else return('Date out of range')
} catch(e) {
return(e);
}
};
const requestIteration = async(set, divisa, flag, timestamp, amount) => {
let opt = {
method: 'GET',
json: true,
headers: {
'X-Testing': 'testing',
'x-ba-key': process.env.APIKEY
}
};
let res = {};
for (element in set) {
if(flag) {
opt.uri = `https://apiv2.bitcoinaverage.com/indices/global/history/${divisa}${set[element]}?at=${timestamp}&resolution=hour`;
let { average } = await request(opt);
res[set[element]] = average * amount;
}
else {
opt.uri = `https://apiv2.bitcoinaverage.com/indices/global/history/${set[element]}${divisa}?at=${timestamp}&resolution=hour`;
let { average } = await request(opt);
res[set[element]] = amount / average;
}
}
return res;
};
module.exports = divisaTraceback;