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Mastering Ethereum

You're reading from   Mastering Ethereum Implement advanced blockchain applications using Ethereum-supported tools, services, and protocols

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Product type Paperback
Published in Apr 2019
Publisher Packt
ISBN-13 9781789531374
Length 490 pages
Edition 1st Edition
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Author (1):
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Merunas Grincalaitis Merunas Grincalaitis
Author Profile Icon Merunas Grincalaitis
Merunas Grincalaitis
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Toc

Table of Contents (17) Chapters Close

Preface 1. Section 1: Blockchain - Ethereum Refresher FREE CHAPTER
2. Blockchain Architecture 3. Ethereum Ecosystems 4. Ethereum Assets 5. Section 2: Decentralized Application Development Workflow
6. Mastering Smart Contracts 7. Mastering dApps 8. Tools, Frameworks, Components, and Services 9. Deployment on Testnet 10. Various dApps Integrations 11. Decentralized Exchanges Workflow 12. Section 3: Ethereum Implementations
13. Machine Learning on the Ethereum Blockchain 14. Creating a Blockchain-based Social Media Platform 15. Creating a Blockchain-Based E-Commerce Marketplace 16. Other Books You May Enjoy

Finishing the dApp

To complete the dApp, we have to modify the React code to integrate the smart contract changes while also making sense of the way we receive the information from the blockchain using the right methods to display that data properly. Before this, make sure that your contracts are deployed to ropsten , as shown in the previous steps.

Setting up the contract instance

Because we are using webpack, we have access to all the files inside the source folder from the React files, which means that we can get the deployed smart contract ABI and the deployed contract address, as well as the required parameters to create a contract instance. This is shown in the following code:

import React from 'react'
import...
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