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feat(collections): add HasCollections interface #20537

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@aaronc aaronc commented Jun 4, 2024

Description

Defines a mechanism by which modules using collections can expose their schema to indexers (see #20532).


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Summary by CodeRabbit

  • New Features
    • Introduced a new interface to enhance the indexing capabilities for modules within the Cosmos SDK.

@aaronc aaronc marked this pull request as ready for review June 4, 2024 15:18
@aaronc aaronc requested a review from a team as a code owner June 4, 2024 15:18
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Walkthrough

The recent update introduces the HasCollections interface to the Cosmos SDK, enhancing module indexing capabilities. This interface mandates that modules implement the CollectionsSchema() method, which returns the schema for collections used by the module. This change standardizes how modules define and manage their collection schemas.

Changes

File Change Summary
collections/CHANGELOG.md Added a summary of the HasCollections interface for indexing modules, linked to PR #20537.
collections/schema.go Introduced the HasCollections interface, which requires a CollectionsSchema() method.

Sequence Diagram(s) (Beta)

sequenceDiagram
    participant Module
    participant HasCollections
    participant CollectionSchema
    
    Module->>HasCollections: Implements HasCollections interface
    HasCollections->>Module: Requires CollectionsSchema() method
    Module->>CollectionSchema: Returns collection schema via CollectionsSchema()
Loading

This diagram illustrates the interaction where a module implements the HasCollections interface and provides its collection schema through the CollectionsSchema() method.


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@aaronc aaronc requested a review from testinginprod June 4, 2024 15:18
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Actionable comments posted: 1

Review details

Configuration used: .coderabbit.yml
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 6ea50ef and 1e634b0.

Files selected for processing (2)
  • collections/CHANGELOG.md (1 hunks)
  • collections/schema.go (1 hunks)
Additional context used
Path-based instructions (2)
collections/CHANGELOG.md (1)

Pattern **/*.md: "Assess the documentation for misspellings, grammatical errors, missing documentation and correctness"

collections/schema.go (1)

Pattern **/*.go: Review the Golang code for conformity with the Uber Golang style guide, highlighting any deviations.

LanguageTool
collections/CHANGELOG.md

[uncategorized] ~37-~37: Possible missing comma found. (AI_HYDRA_LEO_MISSING_COMMA)
Context: ...sic wrapping of the standard Map methods but is not iterable. * [#17656](https://git...


[uncategorized] ~73-~73: Possible missing comma found. (AI_HYDRA_LEO_MISSING_COMMA)
Context: ...s/cosmos-sdk/pull/16127) In the Walk method the call back function being passed is ...

golangci-lint
collections/schema.go

130-130: undefined: Collection (typecheck)


131-131: undefined: Collection (typecheck)


86-86: undefined: Collection (typecheck)


287-287: undefined: Collection (typecheck)


295-295: undefined: Collection (typecheck)


27-27: undefined: Collection (typecheck)


28-28: undefined: Collection (typecheck)


159-159: undefined: Collection (typecheck)


160-160: undefined: Collection (typecheck)


296-296: undefined: Collection (typecheck)

Additional comments not posted (1)
collections/CHANGELOG.md (1)

40-40: The changelog entry is clear and follows the established format. However, consider adding a comma after "methods" for better readability.

- ...Map methods but is not iterable.
+ ...Map methods, but is not iterable.

Likely invalid or redundant comment.

Comment on lines +303 to +311
// HasCollections is an interface that should be implemented by modules that
// use collections so that their state can be indexed.
//
// Normally any module type implementing this should also implement appmodule.AppModule
// or an earlier version of the AppModule interface.
type HasCollections interface {
// CollectionsSchema returns the schema for the collections used by the module.
CollectionsSchema() Schema
}
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The HasCollections interface is well-defined and aligns with the PR's objectives. Ensure that the Collection type is defined or imported correctly, as it is referenced throughout the file but not defined in the provided code.

+ import "path/to/collection"

Committable suggestion was skipped due to low confidence.

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LGTM

Let's document it in the readme though

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+1 for docs updates

@aaronc aaronc marked this pull request as draft June 6, 2024 12:30
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aaronc commented Jun 6, 2024

Let's keep this in draft until the implementation is more fleshed out. Thanks for taking a look everyone!

@aaronc aaronc mentioned this pull request Jun 13, 2024
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aaronc commented Jun 13, 2024

@aaronc aaronc closed this Jun 13, 2024
@julienrbrt julienrbrt deleted the aaronc/collections-expose-schema branch June 17, 2024 09:00
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4 participants