stripe-middleware-3a.js

// your-billing-package

const stripe = require('stripe')('sk_test_token');
const hooks = require('promised-hooks');

const { notify } = require('some-notification-package');

async function processPayement(amount, source, description, currency) {
    return new Promise((resolve, reject) => {
        let charge;
        try {
            charge = await stripe.charges.create({
                amount,
                source,
                description,
                currency
            });
        } catch(e) {
            // Error handling
            // Might want to retry under certain conditions
            reject(e);
        }

        try {
            notify('New payement received', { amount, source, description });
        } catch(e) {
            // Silently fail
        }

        resolve(charge);
    });
}

const api = {
  processPayement
};

// Add hook functionalities to the api
hooks.wrap(api);

module.exports = api;