Nodejs Programming Tutorials, Guides & Best Practices

If you're building any kind of real API, this knowledge will serve you well.

Have questions or want a follow-up tutorial? Leave a comment or reach out—we’d love to help.

• crypto.randomBytes:
• Library: crypto.randomBytes is part of Node.js’s built-in crypto module. It requires no additional dependencies and is readily available in any Node.js environment.
• Usage: The function takes a single argument specifying the number of bytes to generate and returns a Buffer object containing the random bytes.
• Example:

    const crypto = require('crypto');
    const randomBytes = crypto.randomBytes(32);
    console.log(randomBytes.toString('hex')); // Prints a 32-byte random hex string

To begin working with BigNumber, you need to import it from ethers.js:

const { BigNumber, utils } = require('ethers');

Solutions:

• Install Build Tools:
• For Windows, install Windows Build Tools by running:

npm install pm2@latest -g

pm2 start app.js