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 Building Full Stack DeFi Applications

You're reading from   Building Full Stack DeFi Applications A practical guide to creating your own decentralized finance projects on blockchain

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Product type Paperback
Published in Mar 2024
Publisher Packt
ISBN-13 9781837634118
Length 490 pages
Edition 1st Edition
Languages
Concepts
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Author (1):
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Samuel Zhou Samuel Zhou
Author Profile Icon Samuel Zhou
Samuel Zhou
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Toc

Table of Contents (21) Chapters Close

Preface 1. Part 1: Introduction to DeFi Application Development
2. Chapter 1: Introduction to DeFi FREE CHAPTER 3. Chapter 2: Getting Started with DeFi Application Development 4. Chapter 3: Interacting with Smart Contracts and DeFi Wallets in the Frontend 5. Part 2: Design and Implementation of a DeFi Application for Trading Cryptos
6. Chapter 4: Introduction to Decentralized Exchanges 7. Chapter 5: Building Crypto-Trading Smart Contracts 8. Chapter 6: Implementing a Liquidity Management Frontend with Web3 9. Chapter 7: Implementing a Token-Swapping Frontend with Web3 10. Chapter 8: Working with Native Tokens 11. Part 3: Building a DeFi Application for Staking and Yield Farming
12. Chapter 9: Building Smart Contracts for Staking and Farming 13. Chapter 10: Implementing a Frontend for Staking and Farming 14. Part 4: Building a Crypto Loan App for Lending and Borrowing
15. Chapter 11: An Introduction to Crypto Loans 16. Chapter 12: Implementing an Asset Pool Smart Contract for a Crypto Loan 17. Chapter 13: Implementing a Price Oracle for Crypto Loans 18. Chapter 14: Implementing the Crypto Loan Frontend with Web3 19. Index 20. Other Books You May Enjoy

Implementing the code to manage the asset pools

In Chapter 11, An Introduction to Crypto Loans we learned that the asset pool smart contract maintains multiple asset pools. In this section, we will explain how the AssetPool smart contract manages these asset pools.

Pool status

We already know that an asset pool is a pool that holds an ERC20 token. The asset pool also has a life cycle. For example, the prices of some tokens may become very volatile or some tokens may be improper to be served as collaterals in a crypto loan. Therefore, we should have an approach to deactivate the assets for crypto loans. So, there could be several statuses for each asset pool that form the life cycle of the asset pool.

In the AssetPool smart contract, we will introduce three statuses:

  • Inactive: This means that the pool is initialized but inactive for the user to take any actions with this pool. The inactive status means the owner needs to safely configure the pool or shut down the pool...
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