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)

Call to the unknown

DoS attacks are very common in Ethereum when a contract interacts with other addresses. These addresses can be either externally owned addresses or contracts. Performing validations based on these conditions can be very dangerous.

In this recipe, you will learn the pitfalls of interacting with other address and ways to avoid them. You will also learn about a design pattern that can help mitigate these issues, up to a certain point.

Getting ready

It's expected that you have a basic understanding of the Ethereum blockchain and solidity before stepping through this recipe.

The Remix IDE (https://remix.ethereum.org) can help you quickly test and deploy the contract. Also, you can use any Ethereum client...