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)

Interacting with Ethereum using JSON-RPC

You can completely avoid using web3.js and interact with your Ethereum node using JSON-RPC. It is a stateless, lightweight RPC protocol. Etherum JSON-RPC exposes various APIs that can be used within the same process, over sockets, over HTTP, or in various message passing environments.

These APIs are commonly used to interact with blockchain where JavaScript is not supported. In this recipe, you will learn to communicate with Ethereum using various JSON-RPC commands.

Getting ready

You need to have a fully functioning Ethereum node to test these APIs. By default, both geth and Parity expose port 8545 for JSON-RPC. Some examples are given in JavaScript, but you can use any programming...