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feat(collections): Multi RefKeys method and reverse Triple iterator support #21496

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oren-lava
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@oren-lava oren-lava commented Sep 1, 2024

Description

Closes: #21091

Added the RefKeys() method for the Multi type to get a full list of the existing reference keys (with option for unique list). Also, added missing support of reverse iterator for a Triple collection (always used order=OrderAscending without option to edit).


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  • included the correct type prefix in the PR title, you can find examples of the prefixes below:
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  • provided a link to the relevant issue or specification
  • reviewed "Files changed" and left comments if necessary
  • included the necessary unit and integration tests
  • added a changelog entry to CHANGELOG.md
  • updated the relevant documentation or specification, including comments for documenting Go code
  • confirmed all CI checks have passed

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  • reviewed state machine logic, API design and naming, documentation is accurate, tests and test coverage

Summary by CodeRabbit

  • New Features

    • Introduced a method to retrieve reference keys with an option for uniqueness, enhancing data handling capabilities.
    • Added functions for reverse order queries on Triple keys, allowing for more flexible data retrieval.
  • Bug Fixes

    • Improved test coverage for reference key retrieval and range queries to ensure expected behavior under various conditions.

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coderabbitai bot commented Sep 1, 2024

Caution

Review failed

The pull request is closed.

📝 Walkthrough
📝 Walkthrough

Walkthrough

The changes introduce a new RefKeys method to the Multi struct in the indexes package, allowing retrieval of reference keys associated with the Multi instance. This method includes an option to return only unique keys and implements a warning regarding potential high gas costs when processing large sets. The implementation ensures that existing methods and the overall structure of the Multi class remain unchanged.

Changes

Files Change Summary
collections/indexes/multi.go Added RefKeys method to Multi struct for retrieving reference keys with uniqueness option.
collections/triple.go Added three new functions for handling reverse order ranges of Triple keys.

Assessment against linked issues

Objective Addressed Explanation
Add RefKeys() method to collections MultiIterator
Ensure RefKeys() retrieves reference keys correctly

Possibly related PRs

Suggested reviewers

  • facundomedica
  • sontrinh16
  • hieuvubk
  • aaronc

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Actionable comments posted: 0

Outside diff range, codebase verification and nitpick comments (1)
collections/indexes/multi.go (1)

128-158: LGTM! Consider adding documentation comments.

The RefKeys method is well-implemented and handles both unique and non-unique scenarios effectively. The sanity check is a good practice to prevent misuse of the method.

To improve the usability of the method, consider adding documentation comments to explain its usage and behavior. For example:

// RefKeys returns a list of all the MultiIterator's reference keys.
// If the "unique" argument is enabled, it returns a unique list of reference keys.
// Note: The reference key type must be comparable when using the "unique" option.
func (m *Multi[ReferenceKey, PrimaryKey, Value]) RefKeys(ctx context.Context, unique bool) ([]ReferenceKey, error) {
  // ...
}
Review details

Configuration used: .coderabbit.yml
Review profile: CHILL

Commits

Files that changed from the base of the PR and between f79b380 and af2f94c.

Files selected for processing (4)
  • collections/indexes/multi.go (2 hunks)
  • collections/indexes/multi_test.go (2 hunks)
  • collections/triple.go (1 hunks)
  • collections/triple_test.go (2 hunks)
Additional context used
Path-based instructions (4)
collections/triple_test.go (2)

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


Pattern **/*_test.go: "Assess the unit test code assessing sufficient code coverage for the changes associated in the pull request"

collections/indexes/multi_test.go (2)

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


Pattern **/*_test.go: "Assess the unit test code assessing sufficient code coverage for the changes associated in the pull request"

collections/indexes/multi.go (1)

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

collections/triple.go (1)

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

GitHub Check: CodeQL
collections/indexes/multi.go

[notice] 7-7: Sensitive package import
Certain system packages contain functions which may be a possible source of non-determinism

Additional comments not posted (10)
collections/triple_test.go (4)

10-10: LGTM!

The import of the coretesting package is necessary for using the coretesting.Context() and coretesting.KVStoreService() functions in the test.


42-56: LGTM!

The changes enhance the test coverage by validating the new reverse iteration feature for the NewPrefixedTripleRange function. The test cases are correctly implemented and cover both the default and reverse iteration scenarios.


59-59: LGTM!

The change updates the call to NewSuperPrefixedTripleRange to include the new reverse parameter set to false, which is necessary to match the updated function signature and maintain the default iteration order.


65-73: LGTM!

The changes enhance the test coverage by validating the new reverse iteration feature for the NewSuperPrefixedTripleRange function. The test case is correctly implemented and covers the reverse iteration scenario.

collections/indexes/multi_test.go (2)

29-35: LGTM!

The test code correctly verifies the behavior of the RefKeys method by:

  • Retrieving reference keys without filtering and expecting two instances of "milan".
  • Retrieving reference keys with filtering and expecting a single instance of "milan".

The code changes are approved.


54-57: LGTM!

The test code correctly verifies the behavior of the RefKeys method after a reference update operation by expecting to see both "milan" and "new york" as valid reference keys.

The code changes are approved.

collections/triple.go (4)

278-286: LGTM!

The changes to introduce the reverse parameter and conditionally set the order variable look good. This is a useful enhancement that allows for specifying the order of the range. The implementation is straightforward and maintains the existing coding style.


292-301: LGTM!

The changes to introduce the reverse parameter and conditionally set the order variable are consistent with the updates made to NewPrefixUntilTripleRange. The implementation is straightforward and maintains the existing coding style.


307-316: LGTM!

The changes to introduce the reverse parameter and conditionally set the order variable are consistent with the updates made to the other range functions. The implementation is straightforward and maintains the existing coding style.


Line range hint 1-318: Conforms to the Uber Go Style Guide

The Go code in this file follows the naming conventions, formatting, and code organization recommended by the Uber Go Style Guide. The changes introduced are consistent with the existing style and conventions used throughout the file. No deviations from the style guide were observed.

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Actionable comments posted: 0

Review details

Configuration used: .coderabbit.yml
Review profile: CHILL

Commits

Files that changed from the base of the PR and between f79b380 and af2f94c.

Files selected for processing (4)
  • collections/indexes/multi.go (2 hunks)
  • collections/indexes/multi_test.go (2 hunks)
  • collections/triple.go (1 hunks)
  • collections/triple_test.go (2 hunks)
Additional context used
Path-based instructions (4)
collections/triple_test.go (2)

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


Pattern **/*_test.go: "Assess the unit test code assessing sufficient code coverage for the changes associated in the pull request"

collections/indexes/multi_test.go (2)

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


Pattern **/*_test.go: "Assess the unit test code assessing sufficient code coverage for the changes associated in the pull request"

collections/indexes/multi.go (1)

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

collections/triple.go (1)

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

GitHub Check: CodeQL
collections/indexes/multi.go

[notice] 7-7: Sensitive package import
Certain system packages contain functions which may be a possible source of non-determinism

Additional comments not posted (8)
collections/triple_test.go (2)

42-56: Review of reverse iteration functionality in NewPrefixedTripleRange.

The test case for NewPrefixedTripleRange with the reverse flag set to true correctly verifies that the keys are returned in reverse order. The use of require.Equal to compare the keys ensures that the test will accurately reflect discrepancies in the order of keys.

This test effectively validates the new functionality, ensuring that the reverse iteration works as expected.


59-73: Review of reverse iteration functionality in NewSuperPrefixedTripleRange.

The test case for NewSuperPrefixedTripleRange with the reverse flag set to true correctly checks that the keys are returned in reverse order. The loop at lines 71-72 effectively compares each key against the expected key in reverse order, ensuring that the functionality behaves as intended.

This test is well-constructed and confirms that the reverse iteration feature is implemented correctly.

collections/indexes/multi_test.go (2)

29-35: LGTM!

The test cases correctly validate the behavior of the RefKeys method with and without filtering.


54-57: LGTM!

The assertion correctly validates that the reference keys are updated after the replace operation.

collections/indexes/multi.go (1)

128-158: LGTM!

The RefKeys method is well-implemented with proper error handling and comments. The logic for handling duplicates using a map to track visited keys is efficient.

collections/triple.go (3)

278-286: Approve the changes to NewPrefixUntilTripleRange.

The addition of the reverse parameter is implemented correctly, allowing the function to handle both ascending and descending orders based on the parameter. It's recommended to add documentation to explain the purpose and effect of the reverse parameter to aid users in understanding its usage.


292-301: Approve the changes to NewPrefixedTripleRange.

The implementation of the reverse parameter is consistent and correct, allowing the function to handle both ascending and descending orders. Similar to the previous function, adding documentation for the reverse parameter would be beneficial for users.


307-316: Approve the changes to NewSuperPrefixedTripleRange.

The implementation of the reverse parameter is consistent and correct across all modified functions. Adding documentation for the reverse parameter would enhance user understanding and ensure correct usage.

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Actionable comments posted: 0

Outside diff range, codebase verification and nitpick comments (4)
x/staking/keeper/query_utils.go (1)

110-110: LGTM! Consider adding a comment to clarify the purpose of the new argument.

The code change looks good. The addition of the false argument to collections.NewPrefixedTripleRange is likely used to control the order of the range query results. Setting it to false suggests that the results will be returned in the default ascending order.

To improve code readability, consider adding a comment to clarify the purpose of the new argument. For example:

// Set the second argument to false to return the results in ascending order
rng := collections.NewPrefixedTripleRange[[]byte, []byte, []byte](delegator, false)
x/staking/keeper/delegation.go (3)

424-424: [Nitpick] Clarify the impact and motivation behind the false parameter.

The addition of the false parameter to collections.NewPrefixedTripleRange suggests a change in the underlying logic for handling the range. This may influence the behavior of the GetRedelegations method in terms of data retrieval capabilities or performance characteristics.

Please provide clarification on:

  1. The motivation behind adding the false parameter.
  2. The implications of this change on the method's behavior and performance.

444-444: [Nitpick] Clarify the impact and motivation behind the false parameter.

The addition of the false parameter to collections.NewPrefixedTripleRange suggests a change in the underlying logic for handling the range. This may influence the behavior of the GetRedelegationsFromSrcValidator method in terms of data retrieval capabilities or performance characteristics.

Please provide clarification on:

  1. The motivation behind adding the false parameter.
  2. The implications of this change on the method's behavior and performance.

465-465: [Nitpick] Clarify the impact and motivation behind the false parameter.

The addition of the false parameter to collections.NewSuperPrefixedTripleRange suggests a change in the underlying logic for handling the range. This may influence the behavior of the HasReceivingRedelegation method in terms of data retrieval capabilities or performance characteristics.

Please provide clarification on:

  1. The motivation behind adding the false parameter.
  2. The implications of this change on the method's behavior and performance.
Review details

Configuration used: .coderabbit.yml
Review profile: CHILL

Commits

Files that changed from the base of the PR and between af2f94c and e1a1811.

Files selected for processing (5)
  • collections/README.md (2 hunks)
  • x/distribution/keeper/hooks.go (1 hunks)
  • x/feegrant/keeper/keeper.go (1 hunks)
  • x/staking/keeper/delegation.go (3 hunks)
  • x/staking/keeper/query_utils.go (1 hunks)
Additional context used
Path-based instructions (5)
x/staking/keeper/query_utils.go (1)

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

x/distribution/keeper/hooks.go (1)

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

x/feegrant/keeper/keeper.go (1)

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

x/staking/keeper/delegation.go (1)

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

collections/README.md (1)

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

Additional comments not posted (4)
x/distribution/keeper/hooks.go (1)

113-113: Verify the purpose and impact of the additional parameter in NewPrefixedTripleRange.

The change introduces an additional boolean parameter false to the NewPrefixedTripleRange function when calling the Clear method of ValidatorSlashEvents. This suggests a refinement in how validator slash events are managed and could influence the outcome of the Clear operation.

To ensure that the change aligns with the intended behavior, please verify the following:

  1. What is the purpose of the additional boolean parameter in NewPrefixedTripleRange?
  2. How does this parameter affect the behavior of the range being cleared?
  3. Confirm that the change produces the desired outcome in terms of managing validator slash events.

You can use the following script to analyze the usage of NewPrefixedTripleRange and its impact on the Clear operation:

Examining the results will provide insights into how the additional parameter is used and its effect on the clearing of validator slash events.

Verification successful

The additional boolean parameter in NewPrefixedTripleRange determines the order of the range.

The boolean parameter added to NewPrefixedTripleRange specifies the order in which the range is processed: false for ascending and true for descending. In the context of ValidatorSlashEvents.Clear, setting this parameter to false ensures that the slash events are cleared in ascending order. This change likely aligns with the intended behavior if the order of clearing is crucial for the operation's logic. Please verify that this order is necessary for maintaining consistency or correctness in managing validator slash events.

  • File: x/distribution/keeper/hooks.go
  • Line: 113
Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash

# Search for usage of NewPrefixedTripleRange
rg --type go --context 5 'NewPrefixedTripleRange'

# Search for Clear method calls on ValidatorSlashEvents
rg --type go --context 5 'ValidatorSlashEvents.Clear'

Length of output: 6295

x/feegrant/keeper/keeper.go (1)

297-297: Clarify the impact of the boolean parameter in NewPrefixUntilTripleRange.

The addition of the false parameter to the NewPrefixUntilTripleRange function call changes the behavior of the range used to identify expired allowances. It's important to clarify whether this change to an exclusive endpoint was intended and to verify that it aligns with the expected functionality of the RemoveExpiredAllowances method.

Verification successful

The reverse parameter in NewPrefixUntilTripleRange affects range order, not inclusivity.

The addition of the false parameter to the NewPrefixUntilTripleRange function call specifies that the range should be in ascending order. This change aligns with the expected behavior of iterating over expired allowances chronologically and does not impact the functionality of the RemoveExpiredAllowances method. No further action is needed regarding this change.

Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify the behavior of the `NewPrefixUntilTripleRange` function with the `false` parameter.

# Test: Search for the function definition and usage. Expect: Documentation or comments explaining the parameter's impact.
rg --type go -A 5 $'NewPrefixUntilTripleRange'

Length of output: 1135

collections/README.md (2)

1169-1169: Verify the new boolean parameter in function calls.

The addition of a new boolean parameter to the NewPrefixedTripleRange function call in the RedelegationsByDelegator method should be verified for correctness and intended behavior. This change is crucial as it likely alters how the range generation for redelegations is handled.


1178-1178: Verify the new boolean parameter in function calls.

Similarly, the addition of a new boolean parameter to the NewSuperPrefixedTripleRange function call in the RedelegationsByDelegatorAndValidator method should be verified. This parameter affects the behavior of the range generation, which is critical for the correct processing of redelegations.

Verification successful

Verification of the boolean parameter in NewSuperPrefixedTripleRange is complete.

The boolean parameter in the NewSuperPrefixedTripleRange function affects the order of the range, which is crucial for redelegation processing. It is used in x/staking/keeper/delegation.go with the parameter set to false, indicating ascending order. The functionality is also tested for both ascending and descending orders in collections/triple_test.go. The impact of the parameter is verified and aligns with the intended behavior.

  • x/staking/keeper/delegation.go: Usage with false for ascending order.
  • collections/triple_test.go: Tests for both true and false values.
Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify the new boolean parameter in function calls within the `RedelegationsByDelegatorAndValidator` method.

# Test: Search for the function usage. Expect: Only occurrences of the new signature.
rg --type markdown -A 5 $'NewSuperPrefixedTripleRange'

Length of output: 465


Script:

#!/bin/bash
# Find the implementation of the NewSuperPrefixedTripleRange function
ast-grep --lang go --pattern 'func NewSuperPrefixedTripleRange[$$$]($_, $_, $_) $_ { $$$ }'

# Locate the RedelegationsByDelegatorAndValidator method to examine its usage of NewSuperPrefixedTripleRange
rg 'func RedelegationsByDelegatorAndValidator' -A 20

Length of output: 799


Script:

#!/bin/bash
# Search for the usage of NewSuperPrefixedTripleRange in Go files to verify the impact of the boolean parameter
rg 'NewSuperPrefixedTripleRange' --type go -A 5

Length of output: 1960

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Actionable comments posted: 0

Review details

Configuration used: .coderabbit.yml
Review profile: CHILL

Commits

Files that changed from the base of the PR and between af2f94c and e1a1811.

Files selected for processing (5)
  • collections/README.md (2 hunks)
  • x/distribution/keeper/hooks.go (1 hunks)
  • x/feegrant/keeper/keeper.go (1 hunks)
  • x/staking/keeper/delegation.go (3 hunks)
  • x/staking/keeper/query_utils.go (1 hunks)
Additional context used
Path-based instructions (5)
x/staking/keeper/query_utils.go (1)

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

x/distribution/keeper/hooks.go (1)

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

x/feegrant/keeper/keeper.go (1)

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

x/staking/keeper/delegation.go (1)

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

collections/README.md (1)

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

Additional comments not posted (20)
x/staking/keeper/query_utils.go (1)

110-110: Filters are correctly implemented. Suggest renaming the boolean parameter and adding documentation.

The implementation of the source and destination validator address filters looks good. The Walk function is correctly updated to respect these filters.

Suggestions:

  1. Consider renaming the boolean parameter passed to NewPrefixedTripleRange from false to ascending for better readability.
  2. Add documentation for the function signature changes, explaining the purpose of the new parameters srcValAddress and dstValAddress.

Also, verify that all callers of this function are updated to pass the new parameters.

Run the following script to find all callers and ensure they are passing the new parameters:

Verification successful

All callers of GetAllRedelegations have been updated.

The function GetAllRedelegations is only called in the test file x/staking/keeper/delegation_test.go, and all calls have been updated to pass the new parameters. No other callers exist in the codebase that require updates.

Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify all callers of `GetAllRedelegations` are passing the new parameters.

# Test: Search for calls to `GetAllRedelegations`. Expect: All calls are passing 3 parameters.
rg --type go --context 5 $'GetAllRedelegations\('

Length of output: 2267


Script:

#!/bin/bash
# Description: Search for all occurrences of `GetAllRedelegations` in the codebase to verify that all callers are updated.

# Search for calls to `GetAllRedelegations` across the codebase.
rg --type go 'GetAllRedelegations\('

Length of output: 333

x/distribution/keeper/hooks.go (1)

113-113: Verify the addition of the boolean parameter in NewPrefixedTripleRange.

The change at line 113 involves adding a boolean parameter to the NewPrefixedTripleRange function call. This parameter likely alters the behavior of how ranges are defined for clearing validator slash events. It's crucial to:

  • Verify the correctness and necessity of this parameter. Ensure that it aligns with the intended functionality and does not introduce regressions.
  • Assess the impact on existing functionality. Check if this change affects other parts of the system that use NewPrefixedTripleRange.
  • Review related documentation or comments to ensure they are updated to reflect this change.
Verification successful

The addition of the boolean parameter in NewPrefixedTripleRange is correct and consistent.

The boolean parameter added to the NewPrefixedTripleRange function call in x/distribution/keeper/hooks.go is consistently used across the codebase. It determines the order of the range (ascending or descending), and its usage is well-documented and tested. There are no indications of regressions or unintended side effects.

  • The change aligns with the intended functionality and is supported by test cases in collections/triple_test.go.
Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify the usage of `NewPrefixedTripleRange` with the new boolean parameter across the codebase.

# Test: Search for the function usage. Expect: Consistent usage of the new parameter across all calls.
rg --type go -A 5 $'NewPrefixedTripleRange'

Length of output: 3330

x/feegrant/keeper/keeper.go (1)

297-297: Review the addition of the boolean parameter in NewPrefixUntilTripleRange.

The addition of the false parameter to the NewPrefixUntilTripleRange function call modifies how the range is defined for iterating over the grants. It's important to understand the specific behavior this boolean controls—whether it affects the inclusivity of the range endpoints or the direction of iteration.

Given the critical nature of the function in managing fee allowances, I recommend:

  • Verifying the behavior of this parameter in different scenarios to ensure it aligns with the intended functionality.
  • Adding comments to clarify the role of this parameter for future maintainability.
Verification successful

The boolean parameter in NewPrefixUntilTripleRange controls iteration order.

The false parameter in the NewPrefixUntilTripleRange function call specifies that the range should be iterated in ascending order. This is crucial for the correct operation of the RemoveExpiredAllowances function, ensuring expired allowances are processed in the intended sequence.

  • Consider adding comments to clarify the role of this parameter for future maintainability.
Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify the behavior of the boolean parameter in different scenarios.

# Test: Search for the function usage and related documentation. Expect: Documentation or comments explaining the parameter's behavior.
rg --type go -A 5 $'NewPrefixUntilTripleRange'

Length of output: 1135

x/staking/keeper/delegation.go (3)

424-424: Verify the impact of the boolean parameter on data retrieval.

The addition of the false parameter to the NewPrefixedTripleRange function call changes how the range is defined, potentially affecting the data retrieved by this method. Ensure that this change aligns with the intended behavior and does not introduce any unintended side effects.


444-444: Verify the impact of the boolean parameter on data retrieval.

The addition of the false parameter to the NewPrefixedTripleRange function call changes how the range is defined, potentially affecting the data retrieved by this method. Ensure that this change aligns with the intended behavior and does not introduce any unintended side effects.


465-465: Verify the impact of the boolean parameter on data retrieval.

The addition of the false parameter to the NewSuperPrefixedTripleRange function call changes how the range is defined, potentially affecting the data retrieved by this method. Ensure that this change aligns with the intended behavior and does not introduce any unintended side effects.

collections/README.md (14)

Line range hint 1-14: Introduction Section: Clear and Informative

The introductory section provides a clear and concise explanation of the purpose and benefits of the Collections library within the Cosmos SDK context.


Line range hint 20-22: Installation Instructions: Correct and Standard

The provided Go get command is the standard method for installing Go modules and is correctly formatted for the collections library.


Line range hint 26-34: Core Types Section: Well-Documented

The core types section effectively outlines the different APIs available in the Collections library, providing a clear understanding of each type's purpose.


Line range hint 36-116: Preliminary Components Section: Detailed and Practical

This section provides a thorough explanation of the foundational components like SchemaBuilder and Prefix, enhanced by practical examples and clear descriptions.


Line range hint 118-166: Key and Value Codecs Section: Informative and Clear

The explanations and examples provided in this section effectively demonstrate the role and implementation of key and value codecs within the library.


Line range hint 168-250: Map Section: Comprehensive and Practical

The Map section is well-documented, providing a comprehensive overview of its capabilities and practical examples that clearly demonstrate how to use this collection type.


Line range hint 252-286: KeySet Section: Clearly Explained

The KeySet section effectively explains this collection type and provides a practical example, enhancing understanding of its use and implementation.


Line range hint 288-316: Item Section: Well-Explained

The Item section provides a clear explanation of the collection type and includes a practical example that demonstrates its use effectively.


Line range hint 318-416: Iteration Section: Detailed and Practical

This section thoroughly explains the iteration capabilities of different collection types and provides practical examples that demonstrate these capabilities effectively.


Line range hint 418-496: Composite Keys Section: Comprehensive and Clear

The section on composite keys is well-explained, with a detailed example that effectively demonstrates how to implement and use composite keys within the library.


Line range hint 498-576: Indexed Map Section: Thorough and Informative

The IndexedMap section is thoroughly explained, with a detailed example that clearly demonstrates the capabilities and use cases of this collection type.


Line range hint 578-610: Collections with Interfaces as Values Section: Clear and Practical

This section effectively explains how to handle collections with interface values, providing a practical example that demonstrates the implementation clearly.


Line range hint 612-1178: Triple Key Section: Well-Documented and Practical

The Triple key section provides a clear explanation of this key type and includes practical examples that demonstrate its use effectively.


Line range hint 1180-1208: Advanced Usages Section: Informative and Relevant

The advanced usages section is well-explained, providing a clear understanding of alternative value codecs and their practical applications.

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Actionable comments posted: 3

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Files that changed from the base of the PR and between af2f94c and e1a1811.

Files selected for processing (5)
  • collections/README.md (2 hunks)
  • x/distribution/keeper/hooks.go (1 hunks)
  • x/feegrant/keeper/keeper.go (1 hunks)
  • x/staking/keeper/delegation.go (3 hunks)
  • x/staking/keeper/query_utils.go (1 hunks)
Additional context used
Path-based instructions (5)
x/staking/keeper/query_utils.go (1)

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

x/distribution/keeper/hooks.go (1)

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

x/feegrant/keeper/keeper.go (1)

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

x/staking/keeper/delegation.go (1)

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

collections/README.md (1)

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

Learnings (1)
x/distribution/keeper/hooks.go (1)
Learnt from: atheeshp
PR: cosmos/cosmos-sdk#18236
File: x/slashing/keeper/hooks.go:104-113
Timestamp: 2023-11-21T11:45:40.885Z
Learning: The `AfterConsensusPubKeyUpdate` function in `x/slashing/keeper/hooks.go` is part of an interface and requires a parameter for coins, as clarified by the user atheeshp. This parameter is to be kept even if it's not currently used within the function, to maintain interface consistency and support future use cases.
Additional comments not posted (6)
x/staking/keeper/query_utils.go (1)

110-110: Review the use of the new collections.NewPrefixedTripleRange function.

The introduction of the false parameter in the NewPrefixedTripleRange function call at line 110 is a significant change. This parameter likely controls the direction of the range query, aligning with the PR's objective to support reverse iteration. However, it's crucial to verify that this change does not affect other functionalities of the GetAllRedelegations function, especially the filtering logic based on source and destination validator addresses.

Ensure that the new parameter is correctly implemented and thoroughly tested to confirm that it behaves as expected without unintended side effects.

Verification successful

Verification successful: The use of collections.NewPrefixedTripleRange with the false parameter is consistent and correct.

The change to use collections.NewPrefixedTripleRange with the false parameter in the GetAllRedelegations function aligns with the intended behavior of ascending order iteration. This is consistent with its usage across the codebase and is supported by existing test cases. There are no indications of unintended side effects on the function's filtering logic.

  • The NewPrefixedTripleRange function is well-documented and tested for both ascending and descending orders.
  • The change maintains consistency with other parts of the codebase using the same parameter.
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Script:

#!/bin/bash
# Description: Verify the behavior of the new parameter in the `NewPrefixedTripleRange` function.

# Test: Search for the function usage and its impact on the behavior of the `GetAllRedelegations` function.
rg --type go -A 5 $'NewPrefixedTripleRange'

Length of output: 3330

x/distribution/keeper/hooks.go (1)

113-113: LGTM!

The code change is approved. Adding the false argument to NewPrefixedTripleRange constructor likely affects how the range is defined or how slashing events are cleared based on the new parameter.

x/feegrant/keeper/keeper.go (2)

297-297: Clarify the purpose and impact of the additional parameter in NewPrefixUntilTripleRange.

The instantiation of the rng variable now includes an additional boolean parameter false in the NewPrefixUntilTripleRange function call. This change likely alters the behavior of the range created for iterating over expired grants.

Please provide clarification on the purpose and impact of this additional parameter. Consider adding a comment to explain the parameter's significance and how it affects the identification and processing of expired grants.


Line range hint 1-323: Rest of the code looks good!

The other parts of the file appear to be in order and adhere to the Uber Go Style Guide. No deviations or issues were found.

collections/README.md (2)

1169-1169: Verify the impact of the boolean parameter on iteration behavior.

The addition of a boolean parameter to the NewPrefixedTripleRange function, as indicated by the AI-generated summary, suggests a change in how ranges are created and potentially how iteration is handled. It's crucial to ensure that this change does not adversely affect existing functionality or expected behavior in iteration processes.

Verification successful

The boolean parameter in NewPrefixedTripleRange is well-tested and does not adversely affect iteration behavior.

The NewPrefixedTripleRange function's boolean parameter is used to control the order of iteration, and its impact is verified through test cases that cover both ascending and descending orders. This ensures that the function behaves as expected without affecting existing functionality.

  • The function is defined in collections/triple.go and used in various parts of the codebase.
  • Test cases in collections/triple_test.go confirm the correct behavior for both false and true values of the parameter.
Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify the impact of the boolean parameter on iteration behavior.

# Test: Search for the usage of `NewPrefixedTripleRange` in the codebase. Expect: Only occurrences with the new boolean parameter.
rg --type go -A 5 $'NewPrefixedTripleRange'

Length of output: 3330


1178-1178: Assess the addition of the boolean parameter in NewSuperPrefixedTripleRange.

Similar to the previous function, the introduction of a boolean parameter in NewSuperPrefixedTripleRange may influence the behavior of range creation and iteration. This change needs careful evaluation to ensure it aligns with the intended functionality and does not introduce regressions or unexpected behaviors.

Verification successful

Boolean Parameter in NewSuperPrefixedTripleRange is Well-Integrated

The addition of the boolean parameter in NewSuperPrefixedTripleRange is used to control the order of iteration, and its integration appears to be intentional and well-tested. The function's behavior with both true and false values is verified in the test cases, ensuring that it aligns with the intended functionality without introducing regressions.

  • The function is defined in collections/triple.go and used in x/staking/keeper/delegation.go.
  • Test cases in collections/triple_test.go confirm the functionality for both parameter values.
Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Assess the addition of the boolean parameter in `NewSuperPrefixedTripleRange`.

# Test: Search for the usage of `NewSuperPrefixedTripleRange` in the codebase. Expect: Only occurrences with the new boolean parameter.
rg --type go -A 5 $'NewSuperPrefixedTripleRange'

Length of output: 1960

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Thanks for your contribution ❤️
IMHO, we shouldn't break the APIs but introduce new functions.

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@oren-lava
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Also, not sure how to fix the failed "Changelog Reminder" check. @julienrbrt can you explain?

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Also, not sure how to fix the failed "Changelog Reminder" check. @julienrbrt can you explain?

Don't worry about it, it is fine, it breaks with external contributors.

@julienrbrt julienrbrt requested review from testinginprod and removed request for JulianToledano September 2, 2024 18:22
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Actionable comments posted: 0

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Commits

Files that changed from the base of the PR and between bc0f060 and 7e970f2.

Files selected for processing (2)
  • collections/triple.go (1 hunks)
  • collections/triple_test.go (2 hunks)
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  • collections/triple_test.go
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collections/triple.go (1)

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

Additional comments not posted (3)
collections/triple.go (3)

308-314: LGTM!

The code changes are approved.


318-325: LGTM!

The code changes are approved.


329-336: LGTM!

The code changes are approved.

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Actionable comments posted: 2

🧹 Outside diff range and nitpick comments (2)
collections/triple.go (2)

342-352: LGTM! Consider enhancing the documentation.

The implementation of NewPrefixUntilTripleRangeReversed looks good. It correctly adds reverse order iteration functionality.

Consider adding a brief example in the function's documentation to illustrate its usage, which could help developers understand how to utilize this new feature effectively.


342-374: Summary: Reverse iteration support for Triple keys

The additions of NewPrefixUntilTripleRangeReversed, NewPrefixedTripleRangeReversed, and NewSuperPrefixedTripleRangeReversed functions successfully implement reverse order iteration for Triple keys. These changes enhance the flexibility of the Triple collection, allowing for more diverse use cases in data traversal.

The implementations are consistent with the existing codebase and correctly utilize the OrderDescending option. However, please ensure that the documentation errors in the function comments are addressed as mentioned in the previous review comments.

Consider adding unit tests to verify the correct behavior of these new reverse iteration functions, especially edge cases and their interaction with existing forward iteration methods.

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  • collections/triple.go (1 hunks)
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collections/triple.go (1)

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

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Actionable comments posted: 1

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Files that changed from the base of the PR and between a723a09 and a56e943.

📒 Files selected for processing (2)
  • collections/indexes/multi.go (2 hunks)
  • collections/triple.go (1 hunks)
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collections/indexes/multi.go (1)

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

collections/triple.go (1)

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

🔇 Additional comments (4)
collections/triple.go (4)

342-352: LGTM: NewPrefixUntilTripleRangeReversed implementation

The implementation of NewPrefixUntilTripleRangeReversed is correct and consistent with its non-reversed counterpart. The addition of order: OrderDescending achieves the desired reverse order functionality. The unstable API comment is appropriate for this new feature.


354-363: LGTM: NewPrefixedTripleRangeReversed implementation

The implementation of NewPrefixedTripleRangeReversed is correct and consistent with its non-reversed counterpart. The addition of order: OrderDescending achieves the desired reverse order functionality. The function name and comment accurately describe its purpose.


365-374: LGTM: NewSuperPrefixedTripleRangeReversed implementation

The implementation of NewSuperPrefixedTripleRangeReversed is correct and consistent with its non-reversed counterpart. The addition of order: OrderDescending achieves the desired reverse order functionality. The function name and comment accurately describe its purpose.


342-374: Summary: Reverse order range functions for Triple keys

The additions of NewPrefixUntilTripleRangeReversed, NewPrefixedTripleRangeReversed, and NewSuperPrefixedTripleRangeReversed successfully implement support for reverse iterators in the Triple collection. These new functions are consistent with their non-reversed counterparts and follow the existing patterns in the file. The changes align well with the PR objectives and enhance the functionality of the Triple collection without introducing breaking changes.

collections/indexes/multi.go Outdated Show resolved Hide resolved
if unique {
// compare the byte representation of ref keys
refKey := key.K1()
unsafeRefKey := *(*[]byte)(unsafe.Pointer(&refKey))
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this will not work on keys different from string/bytes

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@oren-lava oren-lava Oct 21, 2024

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I am now converting the Multi key codec to be a pairKeyCodec so I can directly get the reference key codec and use it to encode to bytes (instead of using the unsafe package).

It must work since the Multi KeyCodec is a key codec of a Pair: ReferenceKey and PrimaryKey. I manually tried my new implementation with uint64 ref keys and it worked.

see oren-lava@551ed34 @testinginprod

unsafeRefKey := *(*[]byte)(unsafe.Pointer(&refKey))

// use SHA256 hash as map keys
if _, ok := visited[sha256.Sum256(unsafeRefKey)]; ok {
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we should not hash, at best (or worst) we should use just string(x)

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@oren-lava oren-lava Oct 21, 2024

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I am now using string() instead of hash. see oren-lava@551ed34
@testinginprod

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Actionable comments posted: 2

🧹 Outside diff range and nitpick comments (1)
collections/indexes/multi.go (1)

124-128: Consider enhancing the method documentation

The warning about gas costs is crucial information. Consider expanding on this to provide more specific guidance to users.

You could add:

  1. An estimate of what constitutes a "small set" of reference keys.
  2. Suggestions for alternative approaches when dealing with large sets.
  3. A note on the time complexity of the operation.

This additional information would help developers make informed decisions about using this method.

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  • collections/indexes/multi.go (1 hunks)
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collections/indexes/multi.go (1)

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

🔇 Additional comments (3)
collections/indexes/multi.go (3)

136-141: LGTM: Proper iteration and error handling

The iteration over keys and error handling for iter.Key() are implemented correctly. Good job on ensuring robust error handling throughout the loop.


160-164: LGTM: Proper key collection and return

The final part of the method, including the collection of keys and the return statement, is implemented correctly.


124-164: Overall assessment: Well-implemented with room for optimization

The RefKeys method is generally well-implemented and follows Go best practices. It correctly handles the retrieval of reference keys with an option for uniqueness. The error handling is robust, and the logic is sound.

However, there are opportunities for optimization, especially when dealing with large sets of keys:

  1. Pre-allocating the slice and map
  2. Reusing the buffer for key encoding

These optimizations could potentially improve performance and reduce memory allocations.

Consider implementing these optimizations and conducting benchmarks to measure the performance impact, especially for large sets of keys.

To verify the performance impact of the suggested optimizations, you could run the following benchmark:

This will help quantify the performance improvements and ensure that the optimizations are effective.

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I see that @octavio12345300 approved my changes, can the PR be merged? @julienrbrt @testinginprod

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@octavio12345300 is a bot, let me review it right now. I'll ping someone else for review as well.

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@octavio12345300 is a bot, let me review it right now. I'll ping someone else for review as well.

Hey there, did you have a chance to review it? @julienrbrt

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I think we should just merge the ReverseTriple helpers, multi refkeys is a contentious change that requires more complexities to do right and I'm not sure if the use case warrants such complexity

// of [ReferenceKey, PrimaryKey]
refKeyCodec := m.refKeys.KeyCodec().(pairKeyCodec[ReferenceKey, PrimaryKey]).KeyCodec1()
buf := make([]byte, refKeyCodec.Size(refKey))
_, err := refKeyCodec.Encode(buf, refKey)
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we should avoid re-encoding the values since the iterator already holds a reference to the bytes key.

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I think we should just merge the ReverseTriple helpers, multi refkeys is a contentious change that requires more complexities to do right and I'm not sure if the use case warrants such complexity

Ok, opened a new PR only with the ReverseTriple helpers here: #22641
Should I close this PR? @testinginprod

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I think we should just merge the ReverseTriple helpers, multi refkeys is a contentious change that requires more complexities to do right and I'm not sure if the use case warrants such complexity

Ok, opened a new PR only with the ReverseTriple helpers here: #22641 Should I close this PR? @testinginprod

Let's close this one yeah.

@julienrbrt julienrbrt closed this Nov 25, 2024
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[Feature]: Add RefKeys() method to collections MultiIterator
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