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Building Blockchain Projects

You're reading from   Building Blockchain Projects Building decentralized Blockchain applications with Ethereum and Solidity

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Product type Paperback
Published in Apr 2017
Publisher Packt
ISBN-13 9781787122147
Length 266 pages
Edition 1st Edition
Languages
Concepts
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Author (1):
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Narayan Prusty Narayan Prusty
Author Profile Icon Narayan Prusty
Narayan Prusty
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Table of Contents (16) Chapters Close

Title Page
Credits
About the Author
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface
1. Understanding Decentralized Applications FREE CHAPTER 2. Understanding How Ethereum Works 3. Writing Smart Contracts 4. Getting Started with web3.js 5. Building a Wallet Service 6. Building a Smart Contract Deployment Platform 7. Building a Betting App 8. Building Enterprise Level Smart Contracts 9. Building a Consortium Blockchain

Introduction to LightWallet


LightWallet is an HD wallet that implements BIP32, BIP39, and BIP44. LightWallet provides APIs to create and sign transactions or encrypt and decrypt data using the addresses and keys generated using it.

LightWallet API is divided into four namespaces, that is, keystore, signing, encryption, and txutils. signing, encrpytion, and txutils provide APIs to sign transactions, asymmetric cryptography, and create transactions respectively, whereas a keystore namespace is used to create a keystore, generated seed, and so on. keystore is an object that holds the seed and keys encrypted. The keystore namespace implements transaction signer methods that requires signing the we3.eth.sendTransaction() calls if we are using Hooked-Web3-Provider. Therefore the keystore namespace can automatically create and sign transactions for the addresses that it can find in it. Actually, LightWallet is primarily intended to be a signing provider for the Hooked-Web3-Provider.

A keystore instance...

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