49 lines
1.8 KiB
JavaScript
49 lines
1.8 KiB
JavaScript
const axios = require('axios');
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const config = require('../utils/load_config.js')();
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const { truncate_number } = require('../utils/truncate_number.js');
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module.exports = {
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parseCurrencies: async () => {
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const promises = config['currency']['crypto'].map(fromCurrency => {
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return config['currency']['crypto'].map(convCurrency => {
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if (fromCurrency === convCurrency) return Promise.resolve(null);
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const coinmarketcap = config['currency']['services']['coinmarketcap'];
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return axios.get(
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coinmarketcap['base_url'],
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{
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params: {
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symbol: fromCurrency,
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convert: convCurrency,
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},
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headers: {
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'X-CMC_PRO_API_KEY': coinmarketcap['api_key'],
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}
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}
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)
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.then((res) => {
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const data = res.data.data[fromCurrency].quote[convCurrency];
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const truncatedPriceStr = truncate_number(data.price, 3);
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const rate = parseFloat(truncatedPriceStr);
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return {
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from_currency: fromCurrency,
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conv_currency: convCurrency,
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rate: rate,
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date: new Date(data['last_updated']).toISOString().substring(0, 10),
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};
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})
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.catch((err) => {
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console.error(err);
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return null;
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});
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});
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});
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const flattenedPromises = promises.flat();
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const results = await Promise.all(flattenedPromises);
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return results.filter(result => result !== null);
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}
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};
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