You're reading from Blockchain with Hyperledger Fabric Build decentralized applications using Hyperledger Fabric 2

Product type Paperback

Published in Nov 2020

Publisher Packt

ISBN-13 9781839218750

Length 756 pages

Edition 2nd Edition

Languages

Java

Tools

Blockchain

Concepts

Blockchain

Authors (7):

Salman A. Baset

Venkatraman Ramakrishna

Salman Baset

Anthony O'Dowd

Petr Novotny

Nitin Gaur

Luc Desrosiers

+3 more

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Table of Contents (18) Chapters

Preface

1. Blockchain – An Enterprise and Industry Perspective

2. Exploring Hyperledger Fabric FREE CHAPTER

3. Business Networks

4. Setting the Stage with a Business Scenario

5. Designing Smart Contract Transactions and Ledger Data Structures

6. Developing Smart Contracts

7. Developing Applications

8. Advanced Topics for Developing Smart Contracts and Applications

9. Network Operation and Distributed Application Building

10. Enterprise Design Patterns and Considerations

11. Agility in a Blockchain Network

12. Governance – A Necessary Evil of Regulated Industries

13. Life in a Blockchain Network

14. Hyperledger Fabric Security

15. Blockchain's Future, Protocol Commercialization, and Challenges Ahead

16. Another Book You May Enjoy

17. Index

Advanced smart contract packaging

The final section in this chapter is a short but important one—how to best exploit smart contract packaging. In Chapter 7, Developing Applications, we learned that packaging was a fairly straightforward activity, and in many cases it will be so.

However, when using private data, verify-style, insert-style, and transfer-style contracts, there are opportunities and traps of which we should be aware.

In summary, proper packaging of smart contracts can:

Allow different endorsement policies to be applied to the same smart contract
Ensure organizations only see the smart contract code they need to see
Minimize distribution of unnecessary code

As we saw in Chapter 6, Developing Smart Contracts, Fabric 2 has significantly improved smart contract packaging. The most important change is the introduction of a smart contract package (chaincode) definition. In most cases, there will be a one-to-one mapping between...