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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 (18) Chapters

Title Page

Copyright and Credits

Packt Upsell

Contributors

Preface

1. Getting Started FREE CHAPTER

2. Smart Contract Development

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

1. Other Books You May Enjoy

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Index

Asset tracking and movement

NFTs can be transferred just like regular ERC-20 tokens. The standard provides modified transfer and approve functions for token transfer and delegation tasks. It also includes the standard event logging facility so that asset tracking can be made easier.

In this recipe, you will learn how to implement asset movement and tracking functionality in the ERC-721 token created in the previous recipe. Token transfer functionality can be achieved by modifying the standard transfer method and asset tracking can be implemented with event filtering.

Getting ready

You need to have a working installation of Ethereum (geth, Parity, ganache, and so on) or the Remix IDE to test this recipe.

The contracts explained in this recipe extend the basic ERC-721 token created in the previous recipe. It is recommended to read through it before stepping through this recipe.

How to do it…

Create a new contract that inherits the BasicERC721 contract created in the previous recipe. This removes...

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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.

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