55 lines
1.2 KiB
JavaScript
55 lines
1.2 KiB
JavaScript
const _ = require('lodash/fp')
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const axios = require('axios')
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const BN = require('../../../bn')
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function getBuyPrice (obj) {
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const currencyPair = obj.currencyPair
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return axios({
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method: 'get',
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url: `https://api.coinbase.com/v2/prices/${currencyPair}/buy`,
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headers: {'CB-Version': '2017-07-10'}
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})
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.then(r => r.data)
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}
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function getSellPrice (obj) {
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const currencyPair = obj.currencyPair
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return axios({
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method: 'get',
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url: `https://api.coinbase.com/v2/prices/${currencyPair}/sell`,
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headers: {'CB-Version': '2017-07-10'}
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})
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.then(r => r.data)
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}
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function ticker (account, fiatCode, cryptoCode) {
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return Promise.resolve()
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.then(() => {
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if (!_.includes(cryptoCode, ['BTC', 'ETH', 'LTC'])) {
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throw new Error('Unsupported crypto: ' + cryptoCode)
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}
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})
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.then(() => {
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const currencyPair = `${cryptoCode}-${fiatCode}`
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const promises = [
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getBuyPrice({currencyPair}),
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getSellPrice({currencyPair})
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]
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return Promise.all(promises)
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})
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.then(([buyPrice, sellPrice]) => ({
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rates: {
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ask: BN(buyPrice.data.amount),
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bid: BN(sellPrice.data.amount)
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}
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}))
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}
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module.exports = {
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ticker
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}
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