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Web3 and Solidity in Truffle

This chapter will introduce you to web3, and its related APIs and uses in Truffle. You will gain an understanding of the fundamentals of web3 and how it is used in Truffle to connect to and help develop blockchain and/or smart contract-based applications. Moreover, this chapter will give you a brief refresher about Solidity, including functions, data types, visibility specifiers, and events.

Specifically, you will:

Learn and understand the reasons for the use of web3 in an isolated environment in Truffle
Learn and understand the reasons for the use of web3 in Truffle
Learn and understand the use of various types of functions and data types in Solidity
Learn and understand when and why events are used
Learn and understand how to use the appropriate type and visibility specifier when defining a function

...

Key benefits

Build your first Ethereum Dapp with Truffle: the most popular Ethereum development framework

Build, compile, and deploy smart contracts in your development environment

Embrace Blockchains and utilize it to create new generation of secured and scalable apps

Description

Truffle is a world-class development environment, testing framework and asset pipeline for Ethereum, aiming to make life as an Ethereum developer easier. If you are a web developer wanting to try your hand at developing Dapps with Truffle, then this is the book for you. This book will teach you to write smart contracts and build Dapps with Truffle. You will begin with covering the basics of Truffle, briefly explaining how it integrates Solidity and Web3, in orderto start building a mini decentralized application. Also, you will dive into migration, testing and integrating Truffle with the use of popular JavaScript frameworks. Lastly, you will ship your decentralized application and package it into a product. Moreover, you will go through the best practices in Truffle,so as to increase your proficiency in building Dapps with Truffle. By the end of the book, you will be able to write smart contracts and build decentralized applications with Truffle on Ethereum blockchains.

What you will learn

Understand the fundamentals of Truffle and Web3

Build a decentralized application with Truffle, while choosing the correct Ethereum client

Connect your Dapp to Ethereum clients including Geth, Parity, and Ganache

Migrate and test your Dapp with the correct networks such as Ropsten and Rinkeby

Package a decentralized application into a user-friendly product by integrating Truffle with JavaScript frameworks such as Angular, React and Vue

Explore tools including Ethereum Package Manager, the Registrar and browser wallets, and exploit third-party smart contract libraries.

Evaluate the common migration pitfalls and how to mitigate them

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