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Solidity Programming Essentials. - Second Edition

You're reading from Solidity Programming Essentials. - Second Edition

Product type Book

Published in Jun 2022

Publisher Packt

ISBN-13 9781803231181

Pages 412 pages

Edition 2nd Edition

Languages

Concepts

Author (1):

Ritesh Modi

Table of Contents (21) Chapters

Preface

1. Part 1: The Fundamentals of Solidity and Ethereum

2. Chapter 1: An Introduction to Blockchain, Ethereum, and Smart Contracts

3. Chapter 2: Installing Ethereum and Solidity

4. Chapter 3: Introducing Solidity

5. Chapter 4: Global Variables and Functions

6. Chapter 5: Expressions and Control Structures

7. Part 2: Writing Robust Smart Contracts

8. Chapter 6: Writing Smart Contracts

9. Chapter 7: Solidity Functions, Modifiers, and Fallbacks

10. Chapter 8: Exceptions, Events, and Logging

11. Chapter 9: Basics of Truffle and Unit Testing

12. Chapter 10: Debugging Contracts

13. Part 3: Advanced Smart Contracts

14. Chapter 11: Assembly Programming

15. Chapter 12: Upgradable Smart Contracts

16. Chapter 13: Writing Secure Contracts

17. Chapter 14: Writing Token Contracts

18. Chapter 15: Solidity Design Patterns

19. Assessments

20. Other Books You May Enjoy

Installing the web3 framework

The web3 library is an open source JavaScript library that can be used to connect to Ethereum nodes from the same or a remote computer. It allows IPC as well as an RPC to connect to Ethereum nodes. web3 is a client-side library and can be used alongside a web page and query, and can submit transactions to Ethereum nodes. It can be installed using npm as a node module like the Solidity compiler. Let's take a look at the following steps to install the web3 JavaScript library:

The command used to install web3 is as follows:
```
npm install web3
```

The preceding command generates the following output:

Figure 2.17 – Installing the web3 JavaScript framework

After web3 is installed, it can be used using the Node.js REPL. From Command Prompt, enter the Node.js workspace by executing the node command, as shown in the following screenshot:

Figure 2.18 – Starting a node session...

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Authors (1)

Ritesh Modi

Ritesh Modi is a technologist with more than 18 years of experience. He holds a master's degree in science in AI/ML from LJMU. He has been recognized as a Microsoft Regional Director for his contributions to building tech communities, products, and services. He has published more than 10 tech books in the past and is a cloud architect, speaker, and leader who is popular for his contributions to data centers, Azure, Kubernetes, blockchain, cognitive services, DevOps, AI, and automation.

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