resolvers.js

import Nomics from 'nomics'

const nomics = new Nomics({
  apiKey: process.env.API_KEY
})

const resolvers = {
  Query: {
    getCoins: async (_, args) => {
      // fetches all coins from nomics
      const coins = await nomics.currenciesTicker()

      // let's only return the top 30
      return coins.slice(0, 30)
    },

    getCoinDetails: async (_, args) => {
      const { coinid, interval } = args

      // fetch coin from nomics for specified interval
      const fetchCoinDetails = await nomics.currenciesTicker({
        ids: [`${coinid}`.toUpperCase()],
        interval: [`${interval}`]
      })

      return fetchCoinDetails[0][`${interval}`]
    }
  }
}

export default resolvers