const axios = require('axios')
const _ = require('lodash')
async function endpoint(request, response) {
let currency = 'XLM'
if (request && response && request.url)
currency = _.last(request.url.split('/')).toUpperCase()
if (!currency)
return response.end('Please append currency symbol to url')
try {
const exchanges = await axios.get('https://api.nomics.com/v1/exchange-markets/prices', {
params: {
key: "2018-08-demo-dont-deploy-6eb4ce24acd11f08",
currency
}
}).then(({data}) => data)
const prices = await axios.get('https://api.nomics.com/v1/prices', {
params: {
key: "2018-08-demo-dont-deploy-6eb4ce24acd11f08"
}
}).then(({data}) => data)
const rates = await axios.get('https://api.nomics.com/v1/exchange-rates', {
params: {
key: "2018-08-demo-dont-deploy-6eb4ce24acd11f08"
}
}).then(({data}) => data)
const usd_price_map = _
.chain(exchanges)
.map((exchange) => {
let price = _.find(prices, {currency: exchange.quote})
if (!price)
price = _.find(rates, {currency: exchange.quote})
if (price) return {
exchange: exchange.exchange,
currency: exchange.quote,
price_usd: exchange.price_quote * (price.price || price.rate)
}
else return exchange.quote
})
.orderBy('price_usd', 'desc')
// .groupBy('exchange')
.value()
if (request && response)
response.end(JSON.stringify(usd_price_map))
else
console.log(usd_price_map)
} catch(err) {
throw err
}
}
endpoint()
exports.endpoint = endpoint
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