Back4App Parse Braintree Cloud Code

main.js

/* FINAL FINAL FINAL*/
// UPLOAD THIS CODE IN your BACK4APP CLOUD CONSOLE.
//LAST UPDATED 30.12.2020

// Requiring npm module
const braintree = require("braintree");

// Initializing gateway
const gateway = new braintree.BraintreeGateway({
    environment: braintree.Environment.Sandbox,
    merchantId: "YOUR_MERCHANT_ID_HERE",
    publicKey: "YOUR_PUBLIC_KEY_HERE",
    privateKey: "YOUR_PRIVATE_KEY_HERE"
});

// Function for client-token
Parse.Cloud.define("generateToken", async(request) => {
    //Getting id from request parameter
    return gateway.clientToken.generate({}).then(res => {
        // pass clientToken to your front-end
        console.log(res.clientToken);
        return res.clientToken.toString();
    }, err => {
        //return any errors back to the client
        return err
    });
});

// Function for checkout
Parse.Cloud.define("checkout", async(request) => {
    const firstName = request.params.firstName; //optional
    const lastName = request.params.lastName; //optional
    return gateway.transaction.sale({
        amount: request.params.amount,
        paymentMethodNonce: "fake-valid-no-billing-address-nonce",
        billing: {
            // this billing part is optional. Can be ommitted.
            firstName: firstName,
            lastName: lastName,
        },
        options: {
            submitForSettlement: true
        }
    }).then((result) => {
        // return result back to client 
        if (result.success === true) {
            console.log(result);
            return result.transaction.id;
        } else {
            //return any errors back to the client
            console.log(result);
            return result.message;
        }
    }, (error) => {
        console.log(error);
    });
});