You're reading from The Essential Guide to Web3 Develop, deploy, and manage distributed applications on the Ethereum network

Product type Paperback

Published in Nov 2023

Publisher Packt

ISBN-13 9781801813471

Length 366 pages

Edition 1st Edition

Tools

Ethereum

Concepts

Blockchain

Author (1):

Vijay Krishnan

View More author details

Table of Contents (25) Chapters

Preface

1. Part 1 – Introduction to Web3 FREE CHAPTER

2. Chapter 1: Fundamentals of Blockchain and Web3

3. Chapter 2: Getting Started With Ethereum

4. Chapter 3: Your First Ethereum Transaction

5. Part 2 – All about Smart Contracts

6. Chapter 4: Introduction to Smart Contracts

7. Chapter 5: Creating and Deploying Your First Smart Contract

8. Chapter 6: Smart Contract Security and Access Controls

9. Part 3 – Writing Your DApps for Web3

10. Chapter 7: Developer Tools and Libraries for Web3 Development

11. Chapter 8: Writing and Testing Your First dApp on Web3

12. Part 4 – Fungible Tokens

13. Chapter 9: Introduction to Tokenization

14. Chapter 10: Creating Your First Token

15. Part 5 – Non-Fungible Tokens

16. Chapter 11: Non-Fungible Token Standards

17. Chapter 12: Creating Your First Non-Fungible Token

18. Part 6 – Web3 Advanced Topics

19. Chapter 13: Understanding Oracles

20. Chapter 14: Zero-Knowledge Proofs and Zero-Knowledge EVMs

21. Chapter 15: L2 Networks and Rollups

22. Chapter 16: Decentralized Autonomous Organizations – Overview

23. Index

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Running a Chainlink node

There are several ways to run a Chainlink node. In this section, we will look at two ways to become an operator.

Running nodes are always complex and resource-oriented tasks. The architecture of an oracle can vary depending on the specific implementation and use case, but an oracle can be broken down into several key components:

Data source: The data source is where the oracle retrieves the external data that it will provide to the smart contract. This can include web APIs, databases, IoT devices, and more.
Data integration: This part handles integrating the data from the data source into the oracle. This can include parsing the data, formatting it, and making it suitable for the smart contract to consume.
Data validation: This part handles confirming the data provided by the data source. This can include checking the integrity and authenticity of the data and ensuring that it is fit for purpose.
Data submission: This part handles sending...