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Blockchain Development for Finance Projects

You're reading from   Blockchain Development for Finance Projects Building next-generation financial applications using Ethereum, Hyperledger Fabric, and Stellar

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Product type Paperback
Published in Jan 2020
Publisher Packt
ISBN-13 9781838829094
Length 530 pages
Edition 1st Edition
Languages
Concepts
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Author (1):
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Ishan Roy Ishan Roy
Author Profile Icon Ishan Roy
Ishan Roy
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Toc

Table of Contents (17) Chapters Close

Preface 1. Section 1: Blockchain Payments and Remittances
2. Blockchain in Financial Services FREE CHAPTER 3. Building a Blockchain Wallet for Fungible and Non-Fungible Assets 4. Designing a Payment Gateway for Online Merchants 5. Corporate Remittances and Settlement 6. Enabling Cross-Border Remittances with Real-Time KYC/AML Verification 7. Section 2: Blockchain Workflows Using Smart Contracts
8. Building a Letter of Credit Workflow Module Using Smart Contracts 9. Section 3: Securing Digital Documents and Files Using Blockchain
10. Building a Tamper-Proof Document Storage System 11. Section 4: Decentralized Trading Exchanges Using Blockchain
12. Building a Decentralized Trading Exchange 13. Developing a Currency Trading Exchange for Market Making 14. Looking into the Future 15. Other Books You May Enjoy Appendix: Application Checklist

Building the merchant HD wallet

The merchant wallet interface is a simple React app that tracks all of the addresses generated from the merchant's wallet mnemonic and checks whether any payment has been made to them from a customer. It also does block confirmation, that is, for each transaction, it checks whether 40 blocks have been transacted since the transaction was recorded in the blockchain.

The wallet interface app consists of the following components:

  • Container.js: The Container component shown here holds the other components, toggles components display as per state changes, and passes down their props to the components after it receives them from app.js. It checks whether an account has been set in the state for retrieving transactions. If the account has been set, it renders the WalletTrans.js component; otherwise, it renders the WalletMain.js component:
render...
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