Improve 🍴 Fork Tests #503
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Improve 🍴 Fork Tests #503
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bowd
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## Description As I told some of you at dinner, I've had a bad case of insomnia over the last week. This PR resulted from a couple of late night coding sessions and the incessant need to make things nicer in our repos. It's a big PR but 𝚫code is negative so 🤷 . What happens in this mondo-PR: 1. All `celo` contracts are removed form the repo and replaced with the `@celo/contracts` NPM package. With a small caveat. 2. All `interfaces` are made to work with `0.8` and cover more of the contract functions. 3. All `tests` contracts are updated to `0.8` and use `deployCode` helpers to deploy lower-version contracts, and the use the interfaces to interact with them. 4. ~We make use of this foundry-rs/foundry#8668 to improve compile time.~ 5. Update `solhint` and `prettier` to a recent version and fix/ignore all issues. 6. Fix solc compiler warnings. 7. Fix/ignore slither > informational warnings. 8. Slight Refactor of ForkTests to make them better to work with. 9. Restructuring of the tests folder. #### `@celo/contracts` The only caveat of using the `@celo/contracts` package is that `UsingRegistry.sol` in there needs to import things from `mento-core` and I didn't manage to get it working ok with remappings, so I kept a copy of `UsingRegistry.sol` in `contracts/common`. It's only used in `swap/Reserve.sol` and when we remove it from there we can completely kill `common`. #### The foundry WIP PR A better solution was found here #502, which removes the need for `via-ir` completely. ~The reason it takes so long to compile our code is because we need `via-ir` for `Airgrab.sol` and `StableTokenV2.sol`, and `via-ir` is super slow. But with the compiler restrictions implemented in foundry-rs/foundry#8668 we can have multiple compiler profile settings for subgraphs of the source-graph, which compile in parallel with different settings.~ ~You can easily install that version of foundry locally, (you have to have rust installed tho):~ ``` foundryup -P 8668 ``` ~With this version of foundry and the settings in `foundry.toml`, if you're not working in a part of the source graph that contains `Airgrab.sol` or `StableTokenV2.sol`, compilation will happen without `via-ir` and will be super snappy. However if you do touch that source graph it will still take noticeably long. Right now on my machine full clean compilation takes 80seconds. It used to take >3minutes.~ #### ForkTest Refactoring Our fork tests can get a bit heavy because they're running test assertions for all the exchanges in a single test call. I've refactor it a bit and split out exchange assertions into their own tests contracts that need to be manually created when new exchanges are deployed. There's a chain-level assertion on the number of exchanges that helps us catch this and keep them up to date. This work was continued here #503 for a much cleaner solution. ### Other changes > _Describe any minor or "drive-by" changes here._ no minor changes here, no :)) ### Tested Tested? Tested! ### Related issues Fixes the issues in my head. ### Backwards compatibility What even is that? ### Documentation Holy Bible --------- Co-authored-by: Bayological <6872903+bayological@users.noreply.github.com> Co-authored-by: chapati <philip.paetz@me.com> Co-authored-by: philbow61 <80156619+philbow61@users.noreply.github.com>
philbow61
approved these changes
Aug 27, 2024
baroooo
approved these changes
Aug 27, 2024
Co-authored-by: philbow61 <80156619+philbow61@users.noreply.github.com>
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Description
Another branch PR on THE BIG ONE. This is a long-overdue cleanup and improvement of our fork tests structure. These tests are important and we will want to maintain and grow them, but the structure they were in made this very hard. They were also terribly brittle and fleaky.
The new structure I'm proposing aims to tackle two main issues:
Note for reviewers:
99% of the code inside of the functions is just copied from the old structure so I wouldn't do a full review of everything, I would focus on the structure itself. I did make some small tweaks to improve flakiness, for example skipping some of the tests when the limits prevent them, which I think is a fair thing to do, as long as the tests run periodically.
Other changes
I added a CI job for running fork-tests daily on
develop.Tested
Yeah, they are, after all, tests.
Related issues
N/A
Backwards compatibility
N/A
Documentation
N/A