deepdivedylan

Querying Rospten with NodeJS

1. Create a new work directory: mkdir rospten-nodejs
2. Use that directory: cd rospten-nodejs
3. Install web3 library: npm install web3
4. Save the following code to get-balance.js:

let infuraKey = "INFURA API KEY";
let metamaskWallet = "METAMASK WALLET";

deepdivedylan

Keybase proof

I hereby claim:

• I am deepdivedylan on github.
• I am deepdivedylan (https://keybase.io/deepdivedylan) on keybase.
• I have a public key ASDbt-TOZNFsu3hEZqyOu84xpm9c19qIspx2qltSKFSh4Qo

To claim this, I am signing this object:

deepdivedylan

<?php
/**
 * validates an image upload
 *
 * @param string $inputName index name in the $_FILES super global
 * @param array $acceptedTypes accepted file types, defaults to JPEG and PNG
 * @return resource valid image when image is detected as valid
 * @throws InvalidArgumentException if the image is not valid
 **/
function validateImage(string $inputName, array $acceptedTypes = ["image/jpeg", "image/png"]) {