Log Coinbase buy transactions

coinbase-transaction-buy.js

require('dotenv').config();
const Client = require('coinbase').Client;
const {promisify} = require('util');
const {COINBASE_API_KEY, COINBASE_API_SECRET} = process.env;

const client = new Client({
  apiKey: COINBASE_API_KEY,
  apiSecret: COINBASE_API_SECRET
});

(async () => {
  const currency = 'ETH';
  const accounts = await promisify(client.getAccounts.bind(client))({});
  const account = accounts.find(account => (account.currency === currency));
  const transactions = await promisify(account.getBuys.bind(account))(null);
  transactions.forEach(transaction => {
    console.log(`[${transaction.created_at}] Bought "${transaction.amount.amount} ${transaction.amount.currency}" for "${transaction.total.amount} ${transaction.total.currency}".`);
  });
})();