Custom Truffle web3 provider to support Infura authentication

Secure Infura project key:

Secure Infura project key

Install lib:

- For Http:
yarn add web3-providers-http
- For Ws:
yarn add web3-providers-ws

Example web3 provider configuration:

https://web3js.readthedocs.io/en/v1.7.4/web3-eth.html

// ====
// Http
// ====
const Web3HttpProvider = require('web3-providers-http');
const options = {
    keepAlive: true,
    withCredentials: false,
    timeout: 20000, // ms
    headers: [
        {
            name: 'Access-Control-Allow-Origin',
            value: '*'
        },
        {
            ...
        }
    ],
    agent: {
        http: http.Agent(...),
        baseUrl: ''
    }
};
const provider = new Web3HttpProvider('http://localhost:8545', options);
// ==========
// Websockets
// ==========
const Web3WsProvider = require('web3-providers-ws');
const options = {
    timeout: 30000, // ms
// Useful for credentialed urls, e.g…