Book Image

Solidity Programming Essentials

Book Image

Solidity Programming Essentials

Overview of this book

Solidity is a contract-oriented language whose syntax is highly influenced by JavaScript, and is designed to compile code for the Ethereum Virtual Machine. Solidity Programming Essentials will be your guide to understanding Solidity programming to build smart contracts for Ethereum and blockchain from ground-up. We begin with a brief run-through of blockchain, Ethereum, and their most important concepts or components. You will learn how to install all the necessary tools to write, test, and debug Solidity contracts on Ethereum. Then, you will explore the layout of a Solidity source file and work with the different data types. The next set of recipes will help you work with operators, control structures, and data structures while building your smart contracts. We take you through function calls, return types, function modifers, and recipes in object-oriented programming with Solidity. Learn all you can on event logging and exception handling, as well as testing and debugging smart contracts. By the end of this book, you will be able to write, deploy, and test smart contracts in Ethereum. This book will bring forth the essence of writing contracts using Solidity and also help you develop Solidity skills in no time.
Table of Contents (17 chapters)
Title Page
Copyright and Credits
Packt Upsell
Contributors
Preface
Index

Truffle


Truffle is an accelerator that helps increase the speed of development, deployment and testing, and increases developer productivity. It is built specifically for Ethereum-based contract and application development. The latest Truffle version is 4. It is a node runtime-based framework that can help implement DevOps, continuous integration, continuous delivery, and continuous deployment with ease.

Installing Truffle is quite simple— a prerequisite for installing Truffle is Node.js, as it is deployed as a node package.

Truffle can be installed by executing the following npm command from the command line:

$ npm install -g truffle

Here npm refers to node package manager and the -g switch signifies installation at global scope. The following screenshot shows the installation of Truffle on Windows Server 2016. The command is the same for Linux distribution as well:

Running truffle --version shows the current version and all commands available with Truffle as shown in the following screenshot...