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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

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Product type Paperback
Published in Apr 2018
Publisher Packt
ISBN-13 9781788831383
Length 222 pages
Edition 1st Edition
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Author (1):
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Ritesh Modi Ritesh Modi
Author Profile Icon Ritesh Modi
Ritesh Modi
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Table of Contents (12) Chapters Close

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

Structure of a contract

The primary purpose of Solidity is to write smart contracts for Ethereum. Smart contracts are the basic unit of deployment and execution for EVMs. Although multiple chapters later in this book are dedicated to writing and developing smart contracts, the basic structure of smart contracts is discussed in this chapter. 

Technically, smart contracts are composed of two constructs—variables and functions. There are multiple facets to both variables and functions and that is again something that will be discussed throughout this book. This section is about describing the general structure of a smart contract using the Solidity language.

A contract consists of the following multiple constructs:

  • State variables
  • Structure definitions
  • Modifier definitions
  • Event declarations
  • Enumeration definitions
  • Function definitions

A typical contract consists of...

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