0

Explore Products

Best Sellers

New Releases

Books

Videos

Audiobooks

Free Learning

Ethereum Cookbook

You're reading from Ethereum Cookbook Over 100 recipes covering Ethereum-based tokens, games, wallets, smart contracts, protocols, and Dapps

Product type Paperback

Published in Aug 2018

Publisher Packt

ISBN-13 9781789133998

Length 404 pages

Edition 1st Edition

Languages

Solidity

Tools

Ethereum

Concepts

Cryptocurrency

Author (1):

Manoj P R

View More author details

Table of Contents (13) Chapters

Preface

1. Getting Started

2. Smart Contract Development FREE CHAPTER

3. Interacting with the Contract

4. The Truffle Suite

5. Tokens and ICOs

6. Games and DAOs

7. Advanced Solidity

8. Smart Contract Security

9. Design Decisions

10. Other Protocols and Applications

11. Miscellaneous

12. Other Books You May Enjoy

Leave a review - let other readers know what you think

Reading data from smart contracts

The best way to interact with your contract from your application is by using web3.js. This library offers plenty of feature sets that you will need while building a DApp. In this recipe, you will learn to read data from the deployed smart contract.

Getting ready

You need to have web3.js installed on your application to use these methods. Ensure that your Ethereum node is running. You can also use Ganache to create a development node.

How to do it...

In order to read data from smart contracts, we will have to perform these steps:

Create...

The rest of the chapter is locked

Register for a free Packt account to unlock a world of extra content!

A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.

Unlock this book and the full library FREE for 7 days

Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of

Start free trial

Renews at £16.99/month. Cancel anytime

Authors (1)

Manoj P R

Manoj P R

Manoj P R is a tech-savvy person who has been working with distributed ledger technology for more than three years. His passion for the latest technology trends in the market has made him an avid learner and contributor in this space. He specializes in Ethereum, JavaScript, and Go. A self-taught programmer, Manoj started his programming career as a freelancer during his early academic life. He has developed many scalable enterprise blockchain solutions for various clients across the globe. He is currently associated with Conduent Labs as a Blockchain SME. He loves solving real-life problems using technology and is a lively contributor towards open source projects. Apart from work, Manoj likes traveling and writing.

See other products by Manoj P R

Other recommended products

Related to this chapter

Mastering Blockchain Programming with Solidity

Mastering Blockchain Programming with Solidity

With this book, you will learn to write production-ready smart contracts for the Ethereum blockchain. Finally, with the help of comprehensive examples, you will learn how to add security to smart contracts and then delve into the various security considerations that must be paid attention to.

Aug 2019 16h 12m

Mastering Blockchain Programming with Solidity

Mastering Blockchain Programming with Solidity

With this book, you will learn to write production-ready smart contracts for the Ethereum blockchain. Finally, with the help of comprehensive examples, you will learn how to add security to smart contracts and then delve into the various security considerations that must be paid attention to.

Aug 2019 16h 12m

Mastering Blockchain Programming with Solidity

Mastering Blockchain Programming with Solidity

With this book, you will learn to write production-ready smart contracts for the Ethereum blockchain. Finally, with the help of comprehensive examples, you will learn how to add security to smart contracts and then delve into the various security considerations that must be paid attention to.

Aug 2019 16h 12m

Mastering Blockchain Programming with Solidity

Mastering Blockchain Programming with Solidity

With this book, you will learn to write production-ready smart contracts for the Ethereum blockchain. Finally, with the help of comprehensive examples, you will learn how to add security to smart contracts and then delve into the various security considerations that must be paid attention to.

Aug 2019 16h 12m

Mastering Blockchain Programming with Solidity

Mastering Blockchain Programming with Solidity

With this book, you will learn to write production-ready smart contracts for the Ethereum blockchain. Finally, with the help of comprehensive examples, you will learn how to add security to smart contracts and then delve into the various security considerations that must be paid attention to.

Aug 2019 16h 12m

Mastering Blockchain Programming with Solidity

Mastering Blockchain Programming with Solidity

With this book, you will learn to write production-ready smart contracts for the Ethereum blockchain. Finally, with the help of comprehensive examples, you will learn how to add security to smart contracts and then delve into the various security considerations that must be paid attention to.

Aug 2019 16h 12m

Mastering Blockchain Programming with Solidity

Mastering Blockchain Programming with Solidity

With this book, you will learn to write production-ready smart contracts for the Ethereum blockchain. Finally, with the help of comprehensive examples, you will learn how to add security to smart contracts and then delve into the various security considerations that must be paid attention to.

Aug 2019 16h 12m

Mastering Blockchain Programming with Solidity

Mastering Blockchain Programming with Solidity

With this book, you will learn to write production-ready smart contracts for the Ethereum blockchain. Finally, with the help of comprehensive examples, you will learn how to add security to smart contracts and then delve into the various security considerations that must be paid attention to.

Aug 2019 16h 12m

Truffle Quick Start Guide

Truffle Quick Start Guide

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 hands at developing Dapps with Truffle then this is the ideal book. This book will teach you to write smart contracts and build Dapps with Truffle.

Jun 2018 5h 40m

Ethereum Projects for Beginners

Ethereum Projects for Beginners

Ethereum enables the development of efficient, smart contracts that contain code. These smart contracts interact with other smart contracts to make decisions, store data, and send Ether to others. This book begins with an introduction to Ethereum and then a detailed step-by-step process required to building advanced Ethereum Projects.

Jul 2018 3h 32m

Solidity Programming Essentials

Solidity Programming Essentials

Solidity is a new contract-oriented programming language popular for creating smart contracts and distributed applications. Writing smart contracts targeting Ethereum and other blockchain platforms is an emerging skill. This book will enable you to write robust, secure, object-oriented contracts that extend blockchain with business functionality.

Apr 2018 7h 24m

Solidity Programming Essentials

Solidity Programming Essentials

Solidity is a new contract-oriented programming language popular for creating smart contracts and distributed applications. Writing smart contracts targeting Ethereum and other blockchain platforms is an emerging skill. This book will enable you to write robust, secure, object-oriented contracts that extend blockchain with business functionality.

Apr 2018 7h 24m

Personalised recommendations for you

Based on your interests and search pattern

Modern Computer Vision with PyTorch

Modern Computer Vision with PyTorch

This book provides a hands-on approach to solving over 30 prominent real-world computer vision problems using PyTorch 2.x on actual datasets. Here you'll learn to build a neural network from scratch and optimize hyperparameters, perform image classification, multi-object detection, segmentation, and more. You'll also explore facial expression manipulation and combining CV with NLP and RL techniques, build generative AI applications, and take your model to production on AWS. By the end of this book, you'll master modern NN architectures and confidently solve real-world CV problems.

Jun 2024 24h 52m

Modern Computer Vision with PyTorch

Modern Computer Vision with PyTorch

This book provides a hands-on approach to solving over 30 prominent real-world computer vision problems using PyTorch 2.x on actual datasets. Here you'll learn to build a neural network from scratch and optimize hyperparameters, perform image classification, multi-object detection, segmentation, and more. You'll also explore facial expression manipulation and combining CV with NLP and RL techniques, build generative AI applications, and take your model to production on AWS. By the end of this book, you'll master modern NN architectures and confidently solve real-world CV problems.

Jun 2024 24h 52m

Data Governance Handbook

Data Governance Handbook

This book provides a highly focused view of real business outcomes powered by data governance, that resonate with non-data executives such as CFOs and CEOs. You'll also find useful insights into how to implement data governance initiatives.

May 2024 13h 8m

Data Engineering with Databricks Cookbook

Data Engineering with Databricks Cookbook

This book shows you how to use Apache Spark, Delta Lake, and Databricks to build data pipelines, manage and transform data, optimize performance, and more. Additionally, you'll implement DataOps and DevOps practices, and orchestrate data workflows.

May 2024 14h 36m

Azure Data Engineer Associate Certification Guide

Azure Data Engineer Associate Certification Guide

Unlock the power of Azure data engineering with this certification guide, elevating your skills in data processing, storage, and security with the help of practical insights, hands-on exercises, and the latest advancements.

May 2024 18h 16m

Microsoft Power BI Cookbook

Microsoft Power BI Cookbook

Microsoft Power BI is the most sought-after platform for BI professionals' visualization needs. Explore the latest Power BI features, future AI enhancements, and integration with other Power Platform tools via new recipes in this updated edition.

Jul 2024 19h 56m

Python Data Cleaning Cookbook

Python Data Cleaning Cookbook

The book shows you how to clean, wrangle, and view data from multiple perspectives, including dataset and column attributes. You will cover common and not-so-common challenges that are faced while cleaning messy data for complex situations and learn to manipulate data to get it down to a form that can be useful for making the right decisions.

May 2024 16h 12m

Microsoft Azure AI Fundamentals AI-900 Exam Guide

Microsoft Azure AI Fundamentals AI-900 Exam Guide

This AI-900 study guide will help you prepare and practice for the certification exam. You'll delve into AI workloads, ML principles, computer vision, NLP, knowledge mining, and generative AI using Azure cloud services.

May 2024 9h 36m

Using Stable Diffusion with Python

Using Stable Diffusion with Python

This book shows you how to use Python to control Stable Diffusion and generate high-quality images. In addition to covering the basic usage of the diffusers package, the book provides solutions for extending the package for more advanced purposes.

Jun 2024 11h 44m

Getting Started with DuckDB

Getting Started with DuckDB

This hands-on book teaches you to analyze large datasets with blazing speed and ease. You will learn how to use DuckDB to quickly load, query, transform, analyze, and visualize data effectively through a series of practical examples.

Jun 2024 12h 44m

Databricks Certified Associate Developer for Apache Spark Using Python

Databricks Certified Associate Developer for Apache Spark Using Python

This guide gets you ready for certification with expert-backed content, key exam concepts, and topic reviews. Additionally, you'll be able to make the most of Apache Spark 3.0 to modernize workloads and more using specific tools and techniques.