docs(app/module): README

[rootulp]

Closes #3230 by adding an extremely basic README. Also included a few refactors that I made while re-reading the contents of the app/module directory. Can revert any if reviewers push back.

[coderabbitai]

Walkthrough

Walkthrough

The recent changes in the codebase primarily involve renaming variables and updating method calls to improve clarity and consistency. Specifically, the mm variable has been renamed to manager across multiple files, and the genesis export method call has been updated. Additionally, new documentation has been added to the app/module directory, including a README to explain the module manager and configurator functionalities. Test functions have also been updated to reflect these changes.

Changes

Files	Change Summary
app/app.go	Renamed mm to manager and bApp to baseApp; added MsgGateKeeper to App struct.
app/export.go	Updated method call from app.mm.ExportGenesis to app.manager.ExportGenesis.
app/module/README.md	Added README documentation for app/module.
app/module/configurator.go	Implemented module.Configurator interface and updated comments.
app/module/configurator_test.go	Renamed and restructured test functions; added imports and updated logic within TestConfigurator.
app/module/manager.go	Renamed variables and updated comments for clarity in Manager struct and NewManager function.
app/modules.go	Renamed mm to manager in various function calls and assignments.

Assessment against linked issues

Objective (Issue #)	Addressed	Explanation
Write docs for app/module (#3230)	✅
Clarify variable names and improve code readability (#3230)	✅

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Recent Review Details

Configuration used: .coderabbit.yaml
Review profile: CHILL

Commits

Files that changed from the base of the PR and between d444b8f and b557a2b.

Files selected for processing (7)

• app/app.go (9 hunks)
• app/export.go (1 hunks)
• app/module/README.md (1 hunks)
• app/module/configurator.go (2 hunks)
• app/module/configurator_test.go (1 hunks)
• app/module/manager.go (4 hunks)
• app/modules.go (4 hunks)

Files skipped from review due to trivial changes (1)

• app/module/README.md

Additional comments not posted (19)

app/module/configurator.go (3)

14-14: The comment added to the Configurator struct is clear and provides a good explanation of its purpose.

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64-64: The QueryServer method implementation is correct and straightforward.

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69-69: The RegisterMigration method correctly handles the registration of migration handlers with appropriate validation checks.

app/module/configurator_test.go (3)

16-19: The new imports are necessary for the added tests and are correctly included.

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23-56: The TestConfigurator function is well-structured and effectively tests the registration of accepted messages.

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59-106: The "register migration" test case correctly verifies the migration registration and execution.

app/export.go (1)

38-38: The update to use app.manager instead of app.mm is consistent with the renaming and correctly reflects the new variable name.

app/modules.go (3)

96-96: The update to use app.manager instead of app.mm in the setupModuleManager function is consistent with the renaming and correctly reflects the new variable name.

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201-201: The update to use app.manager instead of app.mm in the setModuleOrder function is consistent with the renaming and correctly reflects the new variable name.

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227-227: The update to use app.manager instead of app.mm in the setModuleOrder function is consistent with the renaming and correctly reflects the new variable name.

app/module/manager.go (3)

16-21: The comment added to the Manager struct is clear and provides a good explanation of its purpose.

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44-44: The update to use versionedModules instead of moduleMap in the NewManager function is consistent with the renaming and correctly reflects the new variable name.

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58-64: The update to use versionedModules instead of moduleMap in the NewManager function is consistent with the renaming and correctly reflects the new variable name.

app/app.go (6)

164-170: Renaming mm to manager and adding a comment for MsgGateKeeper improves code clarity and maintainability. Good job!

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193-196: Renaming bApp to baseApp enhances readability by using a more descriptive variable name. Nice improvement!

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396-398: Renaming mm to manager in the setupModuleManager function improves clarity. Well done!

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447-447: Renaming mm to manager in the BeginBlocker function enhances readability. Good change!

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452-452: Renaming mm to manager in the EndBlocker function improves code clarity. Nice work!

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502-502: Renaming mm to manager in the migrateModules function enhances readability. Good job!

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[rach-id]

I like this

[ninabarbakadze]

nice one