Table of Contents
About the Author
About the Technical Reviewer
Preface
Chapter 1: Introduction to Blockchain
1.1 Motivation and Basic Definitions
1.2 Encryption
1.2.1 Functions
1.2.2 Symmetric-Key Algorithm
1.2.3 Asymmetric-Key Algorithm
1.3 Hashing
1.4 Smart Contracts
1.5 Bitcoin
1.6 Example Workflows
1.7 Summary
Chapter 2: Racket Programming Language
2.1 Introduction to Lisp
2.1.1 Data Structures and Recursion
2.1.2 Languages and Syntax
2.2 Configuration and Installation
2.3 Introduction to Racket
2.3.1 Primitive Types
2.3.2 Lists, Evaluation, and Quotes
2.3.3 Dotted Pairs
2.3.4 Adding Definitions
2.3.5 Procedures and Functions
2.3.6 Conditional Procedures
2.3.7 Recursive Procedures
2.3.8 Procedures That Return Procedures
2.3.9 General Higher-Order Procedures
2.3.10 Packages
2.3.11 Scope
2.3.12 Mutation
2.3.13 Structures
2.3.14 Threads
2.4 Creating an Executable
2.5 Summary
Chapter 3: Blockchain Implementation
3.1 The wallet.rkt File
3.2 The block.rkt File
3.2.1 Construction
3.2.2 Hashing and Verification
3.2.3 Hashcash Algorithm
3.3 The utils.rkt File
3.4 Transactions
3.4.1 The transaction-io.rkt File
3.4.2 The transaction.rkt File
3.4.2.1 Digital Signatures
3.4.2.2 Processing Transactions
3.5 The blockchain.rkt File
3.5.1 Initialization
3.5.2 Rewards
3.5.3 Adding a Transaction
3.5.4 Verification
3.6 Integrating Components
3.6.1 The main-helper.rkt File
3.6.2 The main.rkt File
3.7 Summary
Chapter 4: Extending the Blockchain
4.1 Smart Contracts Implementation
4.1.1 The smart-contracts.rkt File
4.1.2 Updating Existing Code
4.2 Peer-to-Peer Implementation
4.2.1 The peer-to-peer.rkt File
4.2.1.1 Peer Context Structure
4.2.1.2 Generic Handler
4.2.1.3 Server Implementation
4.2.1.4 Client Implementation
4.2.1.5 Integrating Parts Together
4.2.2 Updating Existing Code
4.2.3 The main-p2p.rkt File
4.3 Summary
Conclusion
Further Readings
Appendix A:
Macros
Hygienic Macros
Index