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You're reading from  Building Full Stack DeFi Applications

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Published inMar 2024
PublisherPackt
ISBN-139781837634118
Edition1st Edition
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Samuel Zhou
Samuel Zhou
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Samuel Zhou

Samuel Zhou has over 15 years of software engineering experience in top high tech companies including being a blockchain developer as his hobby since 2018. In 2022, Samuel turned his enthusiasm on blockchain technology into a business by founding TiFi, which is a silicon valley based startup that builds e-Commerce platform on blockchain and brings blockchain to everyday life. Over there he has created TiFi Token that offers token rebates so people can get cash back when spending the token. Also he has built TiFi Bank which is a DeFi application that offers crypto saving, lending, trading, staking and liquidity management features. Samuel holds a Master Degree and a Bachelor Degree in Computer Science.
Read more about Samuel Zhou

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Summary

In this chapter, you learned how to implement smart contracts for crypto trading on DEXs. The smart contracts implemented in this chapter provides basic features including liquidity provisioning, liquidity removal, and swapping (buying and selling an ERC20 token with another ERC20 token). We also walked you through the reward calculation for an AMM-based DEX, and covered how to implement reward calculation formulas using Solidity code. At the end of this chapter, we used the Hardhat console to verify the functions we have implemented in this chapter.

There are three main components for a typical DEX using the CPMM mechanisms: token pairs, pair factories, and AMM routers. AMM routers are a type of smart contract designed to interact with all off-chain activities.

As mentioned previously, the DEX features implemented in this chapter form a foundation that we will enrich by adding more features in future chapters. In the next chapter, we will create a UI

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Building Full Stack DeFi Applications
Published in: Mar 2024Publisher: PacktISBN-13: 9781837634118

Author (1)

author image
Samuel Zhou

Samuel Zhou has over 15 years of software engineering experience in top high tech companies including being a blockchain developer as his hobby since 2018. In 2022, Samuel turned his enthusiasm on blockchain technology into a business by founding TiFi, which is a silicon valley based startup that builds e-Commerce platform on blockchain and brings blockchain to everyday life. Over there he has created TiFi Token that offers token rebates so people can get cash back when spending the token. Also he has built TiFi Bank which is a DeFi application that offers crypto saving, lending, trading, staking and liquidity management features. Samuel holds a Master Degree and a Bachelor Degree in Computer Science.
Read more about Samuel Zhou