> For the complete documentation index, see [llms.txt](https://simsimbutdifferent.gitbook.io/prompt_web3/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://simsimbutdifferent.gitbook.io/prompt_web3/lesson-5/lesson-5-final-notes-and-project-repo.md).

# Lesson 5: Final notes & Project Repo

### Smart Contract Progress

* Use enums to keep track of different order states.
* Use structs for user and order information.
* use arrays to keep track of users orders.
* Use mappings to link users addresses to their profiles
* To continue to develop skills I have practiced so far, like using events and custom errors.

### Other progress

* I wanted to further develop my essay writing.
* Also enhance my social media skills using Ai.

### Deployments and Repositories

Smart contract address (Sepolia testnet) - [0x055D9f6F6366a1a82F49c22b6E3be5a6E56D4EC5](https://sepolia.etherscan.io/address/0x055D9f6F6366a1a82F49c22b6E3be5a6E56D4EC5)

Github Repo - <https://github.com/SimSimButDifferent/L5-SolidityOrderSystem>


---

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