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Solidity Programming Essentials

You're reading from Solidity Programming Essentials A beginner's guide to build smart contracts for Ethereum and blockchain

Product type Paperback

Published in Apr 2018

Publisher Packt

ISBN-13 9781788831383

Length 222 pages

Edition 1st Edition

Languages

Solidity

Tools

Blockchain

Concepts

Blockchain

Author (1):

Ritesh Modi

View More author details

Table of Contents (12) Chapters

Preface

1. Introduction to Blockchain, Ethereum, and Smart Contracts FREE CHAPTER

2. Installing Ethereum and Solidity

3. Introducing Solidity

4. Global Variables and Functions

5. Expressions and Control Structures

6. Writing Smart Contracts

7. Functions, Modifiers, and Fallbacks

8. Exceptions, Events, and Logging

9. Truffle Basics and Unit Testing

10. Debugging Contracts

11. Other Books You May Enjoy

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Contract composition

Solidity supports contract composition. Composition refers to combining multiple contracts or data types together to create complex data structures and contracts. We have already seen numerous examples of contract composition before. Refer to the code snippet for creating contracts using the new keyword shown earlier in this chapter. In this example, the client contract is composed of the HelloWorld contract. Here, HelloWorld is an independent contract and client is a dependent contract. client is a dependent contract because it is dependent on the HelloWorld contract for its completeness. It is a good practice to break down problems into multi-contract solutions and compose them together using contract composition.

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