Book Image

Blockchain with Hyperledger Fabric - Second Edition

By : Nitin Gaur, Anthony O'Dowd, Petr Novotny, Luc Desrosiers, Venkatraman Ramakrishna, Salman A. Baset
Book Image

Blockchain with Hyperledger Fabric - Second Edition

By: Nitin Gaur, Anthony O'Dowd, Petr Novotny, Luc Desrosiers, Venkatraman Ramakrishna, Salman A. Baset

Overview of this book

Blockchain with Hyperledger Fabric - Second Edition is a refreshed and extended version of the successful book on practical Hyperledger Fabric blockchain development. This edition includes many new chapters, alongside comprehensive updates and additions to the existing ones. Entirely reworked for Hyperledger Fabric version 2, this edition will bring you right up to date with the latest in blockchain. Using a real-world Trade Finance and Logistics example, with working code available on GitHub, you’ll really understand both how and why Hyperledger Fabric can be used to maximum effect. This book is your comprehensive guide and reference to explore and build blockchain networks using Hyperledger Fabric version 2. This edition of the book begins by outlining the evolution of blockchain, including an overview of relevant blockchain technologies. Starting from first principles, you’ll learn how to design and operate a permissioned blockchain network based on Hyperledger Fabric version 2. You will learn how to configure the main architectural components of a permissioned blockchain network including Peers, Orderers, Certificate Authorities, Channels, and Policies. You’ll then learn how to design, develop, package, and deploy smart contracts, and how they are subsequently used by applications. This edition also contains chapters on DevOps, blockchain governance, and security, making this your go-to book for Hyperledger Fabric version 2.
Table of Contents (18 chapters)
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Chapter 6, Developing Smart Contracts, gave us a solid understanding of the main structures that a Hyperledger Fabric smart contract developer needs to understand:

  • Multi-party transaction
  • Ledger
  • Smart contract
  • Endorsement policy

Let's look at an example set of applications interacting with these components within a Hyperledger Fabric infrastructure:

Figure 7.2: An example of a two-organization Hyperledger Fabric network where applications interact on behalf of participants

While Figure 7.2 might seem a little complex, its structure will become more familiar and simpler as we examine it throughout the chapter.

In this example, we can see a set of six applications (App1-App6) in two organizations, acting on behalf of their organization's participants. These applications interact with a set of network Hyperledger Fabric infrastructure components that provide the ledgers, smart contracts, and network channels...