Book Image

Ethereum Cookbook

By : Manoj P R
Book Image

Ethereum Cookbook

By: Manoj P R

Overview of this book

Ethereum and Blockchain will change the way software is built for business transactions. Most industries have been looking to leverage these new technologies to gain efficiencies and create new business models and opportunities. The Ethereum Cookbook covers various solutions such as setting up Ethereum, writing smart contracts, and creating tokens, among others. You’ll learn about the security vulnerabilities, along with other protocols of Ethereum. Once you have understood the basics, you’ll move on to exploring various design decisions and tips to make your application scalable and secure. In addition to this, you’ll work with various Ethereum packages such as Truffle, Web3, and Ganache. By the end of this book, you’ll have comprehensively grasped the Ethereum principles and ecosystem.
Table of Contents (13 chapters)

Asset tracking and movement

NFTs can be transferred just like regular ERC-20 tokens. The standard provides modified transfer and approve functions for token transfer and delegation tasks. It also includes the standard event logging facility so that asset tracking can be made easier.

In this recipe, you will learn how to implement asset movement and tracking functionality in the ERC-721 token created in the previous recipe. Token transfer functionality can be achieved by modifying the standard transfer method and asset tracking can be implemented with event filtering.

Getting ready

You need to have a working installation of Ethereum (geth, Parity, ganache, and so on) or the Remix IDE to test this recipe.

The contracts explained...