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feat(x/mint): Mint issuance using epochs #20044

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@likhita-809 likhita-809 commented Apr 15, 2024

Description

Closes: #19952
Note: This work is referenced from osmosis


Author Checklist

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I have...

  • included the correct type prefix in the PR title
  • confirmed ! in the type prefix if API or client breaking change
  • targeted the correct branch (see PR Targeting)
  • 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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your handle next to the items reviewed if you only reviewed selected items.

I have...

  • confirmed the correct type prefix in the PR title
  • confirmed all author checklist items have been addressed
  • reviewed state machine logic, API design and naming, documentation is accurate, tests and test coverage

Summary by CodeRabbit

  • New Features
    • Added a new function GetEpochInfo to retrieve epoch information.
    • Included EpochsKeeper in ModuleInputs and ProvideModule function.
    • Updated BeginBlocker function in keeper/abci.go.
    • Updated initialization parameters and added epochsKeeper in tests.
    • Introduced a new field LastReductionEpoch in the Keeper struct.
    • Updated import paths and method signatures in expected_keepers_mocks.go.
    • Added EpochsKeeper interface with GetEpochInfo method in types/expected_keepers.go.

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coderabbitai bot commented Apr 15, 2024

Walkthrough

Walkthrough

The update involves transitioning the x/mint module from block-based to epoch-based issuance calculation. This shift enhances the predictability and consistency of token issuance by introducing epoch-based logic and migration functions.

Changes

File Path Change Summary
x/epochs/keeper/epoch.go Added a new function GetEpochInfo in the Keeper struct to retrieve epoch information by identifier.
x/mint/depinject.go Added EpochsKeeper to ModuleInputs struct and included it in the ProvideModule function.
x/mint/keeper/abci.go Updated BeginBlocker function signature to include a new parameter mintAtBeginBlock.
x/mint/keeper/genesis_test.go Updated initialization and parameters for genesisState.Minter, genesisState.Params, and SetupTest function.
x/mint/keeper/grpc_query_test.go Added a test to compare equality between epochProvisions.EpochProvisions and minter.EpochProvisions.
x/mint/keeper/keeper.go Added a new field LastReductionEpoch to Keeper struct and corresponding methods to manipulate this field.
x/mint/keeper/keeper_test.go Added epochsKeeper in IntegrationTestSuite SetupTest function.
x/mint/testutil/expected_keepers_mocks.go Updated import paths for types, introduced new alias types0, and modified method signatures accordingly.
x/mint/types/expected_keepers.go Added import for epochstypes and defined EpochsKeeper interface with GetEpochInfo method.

Assessment against linked issues

Objective Addressed Explanation
Migrate from block-based to epoch-based issuance in x/mint module. [#19952]
Implement mechanism to calculate issuance per epoch, considering inflation rate, duration, etc. [#19952]
Define on-chain timers for epochs to calculate token issuance. [#19952] The introduction of epoch-based logic is evident, but specific details about on-chain timers are not explicitly mentioned in the provided changes.
Set module hooks for specific epoch identifiers and executions. [#19952] While changes related to epoch-based logic are present, details about setting module hooks for specific epoch identifiers are not explicitly outlined.

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x/mint/keeper/hooks.go Fixed Show fixed Hide fixed
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overall code looks good

x/mint/proto/cosmos/mint/v1beta1/genesis.proto Outdated Show resolved Hide resolved
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api/cosmos/mint/v1beta1/query.pulsar.go Dismissed Show dismissed Hide dismissed
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@likhita-809 likhita-809 marked this pull request as ready for review April 23, 2024 12:51
@likhita-809 likhita-809 requested a review from a team as a code owner April 23, 2024 12:51

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Actionable comments posted: 0

Out of diff range and nitpick comments (2)
api/cosmos/mint/v1beta1/genesis.pulsar.go (2)

21-21: Add a comment describing the reduction_started_epoch field.

Adding a descriptive comment for the new field reduction_started_epoch will improve code readability and maintainability, especially for new developers or external contributors who might work with this codebase in the future.


602-606: Document the reduction_started_epoch field in the GenesisState struct.

Add comprehensive documentation for the reduction_started_epoch field in the GenesisState struct to clarify its purpose and usage. This documentation is crucial for developers and users of the SDK to understand the implications of this field.

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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 eacd0e1 and 5e1d9aa.
Files selected for processing (3)
  • api/cosmos/mint/v1beta1/mint.pulsar.go (33 hunks)
  • simapp/app.go (1 hunks)
  • tests/e2e/mint/grpc.go (1 hunks)
Files not summarized due to errors (1)
  • api/cosmos/mint/v1beta1/mint.pulsar.go: Error: Message exceeds token limit
Files skipped from review as they are similar to previous changes (2)
  • simapp/app.go
  • tests/e2e/mint/grpc.go
Additional Context Used
Path-based Instructions (1)
api/cosmos/mint/v1beta1/mint.pulsar.go (1)

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

Additional comments not posted (13)
api/cosmos/mint/v1beta1/mint.pulsar.go (13)

22-22: Added field descriptor for epoch_provisions in the Minter struct.


30-30: Initialized field descriptor for epoch_provisions in the Minter struct.


110-115: Added handling for the epoch_provisions field in the Range method of fastReflection_Minter. This ensures the field is considered during reflection-based operations.


135-136: Added check for the presence of the epoch_provisions field in the Has method of fastReflection_Minter.


157-158: Added clearing functionality for the epoch_provisions field in the Clear method of fastReflection_Minter.


181-183: Added getter for the epoch_provisions field in the Get method of fastReflection_Minter.


208-209: Added setter for the epoch_provisions field in the Set method of fastReflection_Minter.


234-235: Confirmed that the epoch_provisions field is not mutable in the Mutable method of fastReflection_Minter.


253-254: Added functionality to create a new field for epoch_provisions in the NewField method of fastReflection_Minter.


332-335: Added size calculation for the epoch_provisions field in the ProtoMethods method of fastReflection_Minter.


365-371: Added marshaling functionality for the epoch_provisions field in the ProtoMethods method of fastReflection_Minter.


499-530: Added unmarshaling functionality for the epoch_provisions field in the ProtoMethods method of fastReflection_Minter.


Line range hint 1670-1713: Added the epoch_provisions field to the Minter struct to represent rewards for the current epoch.

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Actionable comments posted: 0

Out of diff range and nitpick comments (3)
api/cosmos/mint/v1beta1/mint.pulsar.go (1)

22-22: Add a comment describing the purpose of fd_Minter_epoch_provisions.

It's good practice to add a descriptive comment for exported variables to improve code readability and maintainability.

api/cosmos/mint/v1beta1/query.pulsar.go (2)

3250-3250: Ensure the Inflation field description is clear and detailed.

Consider adding a more descriptive comment for the Inflation field in the QueryInflationResponse struct to explain what the inflation value represents and how it is used.


3382-3382: Clarify the epoch_provisions field in the documentation.

The epoch_provisions field in QueryEpochProvisionsResponse could benefit from a detailed comment explaining its purpose and usage within the system.

Review Details

Configuration used: .coderabbit.yml
Review profile: CHILL

Commits Files that changed from the base of the PR and between 5e1d9aa and b29298a.
Files ignored due to path filters (3)
  • x/mint/types/genesis.pb.go is excluded by !**/*.pb.go
  • x/mint/types/mint.pb.go is excluded by !**/*.pb.go
  • x/mint/types/query.pb.go is excluded by !**/*.pb.go
Files selected for processing (6)
  • api/cosmos/mint/v1beta1/genesis.pulsar.go (15 hunks)
  • api/cosmos/mint/v1beta1/mint.pulsar.go (29 hunks)
  • api/cosmos/mint/v1beta1/query.pulsar.go (45 hunks)
  • x/mint/proto/cosmos/mint/v1beta1/genesis.proto (1 hunks)
  • x/mint/proto/cosmos/mint/v1beta1/mint.proto (2 hunks)
  • x/mint/proto/cosmos/mint/v1beta1/query.proto (3 hunks)
Files not summarized due to errors (2)
  • api/cosmos/mint/v1beta1/mint.pulsar.go: Error: Message exceeds token limit
  • api/cosmos/mint/v1beta1/query.pulsar.go: Error: Message exceeds token limit
Files skipped from review as they are similar to previous changes (4)
  • api/cosmos/mint/v1beta1/genesis.pulsar.go
  • x/mint/proto/cosmos/mint/v1beta1/genesis.proto
  • x/mint/proto/cosmos/mint/v1beta1/mint.proto
  • x/mint/proto/cosmos/mint/v1beta1/query.proto
Additional Context Used
Path-based Instructions (2)
api/cosmos/mint/v1beta1/mint.pulsar.go (1)

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

api/cosmos/mint/v1beta1/query.pulsar.go (1)

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

Additional comments not posted (12)
api/cosmos/mint/v1beta1/mint.pulsar.go (11)

30-30: Ensure initialization of fd_Minter_epoch_provisions is thread-safe.

Verification successful

The review comment raised concerns about the thread safety of the initialization of fd_Minter_epoch_provisions. The provided script output shows two main points of interaction with fd_Minter_epoch_provisions:

  1. Initialization in the init() function: The variable fd_Minter_epoch_provisions is initialized within the init() function. This function is automatically executed by Go when the package is initialized, and it is guaranteed by the Go runtime to be executed only once in a single-threaded context before any other part of the package is accessed. This ensures that the initialization of fd_Minter_epoch_provisions is thread-safe.

  2. Usage in a conditional block: The variable is used within a conditional block to check if a function f should be executed with fd_Minter_epoch_provisions and a value derived from x.EpochProvisions. This usage does not involve modification of the fd_Minter_epoch_provisions itself, but rather reads its value.

Given this information, the initialization of fd_Minter_epoch_provisions is thread-safe due to the nature of the init() function in Go. The usage of the variable elsewhere in the code does not affect its initialization safety.

Therefore, the initialization of fd_Minter_epoch_provisions is confirmed to be thread-safe as per the Go language's execution guarantees for the init() function.


Thread-Safe Initialization Confirmed

The initialization of fd_Minter_epoch_provisions within the init() function is thread-safe, as this function is executed in a single-threaded context by the Go runtime. No further action is required regarding the thread safety of this initialization.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Check for potential data races during the initialization of `fd_Minter_epoch_provisions`.

# Test: Search for concurrent writes or reads to `fd_Minter_epoch_provisions` during initialization.
rg --type go 'fd_Minter_epoch_provisions' --context 5

Length of output: 2087


110-115: Ensure that EpochProvisions is properly handled in all relevant methods.

Verification successful

The review comment suggests verifying that EpochProvisions is properly handled in all relevant methods across the codebase. The provided script searches for occurrences of EpochProvisions in Go files and provides context around each occurrence.

From the script output, it's evident that EpochProvisions is used in various contexts including simulation settings, query handlers, and parameter settings. It appears in function definitions, struct definitions, and method implementations, indicating that it is a well-integrated part of the system.

Here are some specific observations:

  • EpochProvisions is used in the GenEpochProvisions function to generate random values, which suggests it's part of simulation or testing scenarios.
  • It is part of the Minter struct and is used in methods like ValidateMinter and NextEpochProvisions, which handle its validation and computation for the next epoch.
  • It is also part of the Params struct as GenesisEpochProvisions, indicating its use in configuration or initialization contexts.
  • The QueryEpochProvisions method in various files suggests that it is exposed via an API, allowing external queries.

Given the widespread and consistent usage of EpochProvisions across different parts of the codebase, including its presence in critical functions and structs, it seems to be properly handled. However, without specific criteria for what "proper handling" entails (e.g., specific business logic or constraints), this assessment is based on the integration and usage consistency observed in the provided script outputs.

Based on this analysis, it appears that the handling of EpochProvisions aligns with its usage in various parts of the system, from initialization and configuration to runtime operations and API exposure.

Final response:

The handling of EpochProvisions across the codebase appears consistent and integrated into various system components, including simulation, validation, parameter configuration, and API exposure. This suggests that EpochProvisions is properly managed in all relevant methods as per the current implementation details provided.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify that `EpochProvisions` is correctly utilized in all methods where it's relevant.

# Test: Search for the usage of `EpochProvisions` in the codebase to ensure it's correctly handled.
rg --type go 'EpochProvisions' --context 5

Length of output: 148561


135-136: Confirm that the Has method correctly identifies the population status of EpochProvisions.

Verification successful

The review comment asks to confirm that the Has method correctly identifies the population status of EpochProvisions in the file api/cosmos/mint/v1beta1/mint.pulsar.go. The provided script output shows the relevant code snippets where EpochProvisions is checked within the Has method.

From the output, we can see that the Has method for EpochProvisions is implemented as follows in the mint.pulsar.go file:

if x.EpochProvisions != "" {
    return x.EpochProvisions != ""
}

This implementation checks if the EpochProvisions string is not empty and returns true if it is not empty, which correctly identifies whether EpochProvisions is populated.

Given this information, it appears that the Has method is implemented correctly as it properly checks the population status of EpochProvisions by verifying that the string is not empty. Therefore, the review comment is consistent with the codebase.


Verification of EpochProvisions Handling in Has Method

The Has method implementation for EpochProvisions in mint.pulsar.go correctly checks if the field is populated by evaluating whether the string is not empty. This aligns with the expected functionality of a Has method in determining the presence of data in a field.

  • File: api/cosmos/mint/v1beta1/mint.pulsar.go
  • Method Implementation: Returns true if EpochProvisions is not an empty string, correctly indicating that the field is populated.
Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Ensure the `Has` method for `EpochProvisions` is correctly implemented.

# Test: Check the implementation of the `Has` method for handling `EpochProvisions`.
rg --type go 'Has' --context 10 | grep 'EpochProvisions'

Length of output: 2878


157-158: Review the Clear method for EpochProvisions to ensure it correctly clears the field.

Verification successful

The output from the executed script provides information about the implementation of the Clear method for EpochProvisions in the mint.pulsar.go file. The relevant lines show that the EpochProvisions field is being set to an empty string as a means of clearing it:

api/cosmos/mint/v1beta1/mint.pulsar.go-		x.EpochProvisions = ""

This line is part of the Clear method implementation for the EpochProvisions field, indicating that the method is designed to reset this field to an empty string. This is a typical pattern for clearing fields in many programming contexts, especially when dealing with strings in data structures.

Given this information, it appears that the Clear method for EpochProvisions is implemented as expected, setting the field to an empty string to denote that it has been cleared. There is no indication of any malfunction or incorrect implementation in the provided script output.

Therefore, the review comment concerning the verification of the Clear method for EpochProvisions has been addressed, and the implementation aligns with typical practices for clearing fields.

Final Response:

The Clear method for EpochProvisions in mint.pulsar.go correctly clears the field by setting it to an empty string. This is a standard approach for handling such operations in Go.

  • File: api/cosmos/mint/v1beta1/mint.pulsar.go
  • Method: Clear
Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify the correct functionality of the `Clear` method for `EpochProvisions`.

# Test: Examine the `Clear` method implementation for `EpochProvisions`.
rg --type go 'Clear' --context 10 | grep 'EpochProvisions'

Length of output: 2345


181-183: Check the Get method implementation for EpochProvisions to ensure it returns the correct default values when unpopulated.


208-209: Ensure that the Set method for EpochProvisions correctly handles value setting.

Verification successful

The review comment requested verification of the Set method for EpochProvisions in the api/cosmos/mint/v1beta1/mint.pulsar.go file, specifically to ensure it correctly handles value setting.

From the script output, we can observe the following relevant lines in api/cosmos/mint/v1beta1/mint.pulsar.go:

api/cosmos/mint/v1beta1/mint.pulsar.go-		value := x.EpochProvisions
api/cosmos/mint/v1beta1/mint.pulsar.go-		x.EpochProvisions = value.Interface().(string)

These lines indicate that the Set method is indeed setting the EpochProvisions field by casting the interface value to a string. This matches the expected behavior described in the review comment, which is to handle the value setting correctly.

Given this information, it appears that the Set method for EpochProvisions is implemented as expected, and the review comment's concern seems to be addressed correctly in the code.

Therefore, the verification can be concluded with the following response:


The Set method for EpochProvisions in api/cosmos/mint/v1beta1/mint.pulsar.go correctly handles the value setting as per the implementation observed in the provided script output. No issues found regarding this functionality.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify that the `Set` method correctly assigns values to `EpochProvisions`.

# Test: Check the `Set` method implementation for `EpochProvisions`.
rg --type go 'Set' --context 10 | grep 'EpochProvisions'

Length of output: 3911


234-235: Confirm that the Mutable method correctly reports the immutability of EpochProvisions.

Verification successful

The review comment requested verification of whether the Mutable method correctly reports the immutability of EpochProvisions in the cosmos.mint.v1beta1.Minter class. The provided shell script output shows relevant code snippets from the mint.pulsar.go and query.pulsar.go files.

From the output, we can observe the following:

  • The Mutable method in query.pulsar.go explicitly states that the epoch_provisions field of the cosmos.mint.v1beta1.QueryEpochProvisionsResponse message is not mutable. This is confirmed by the panic statement: panic(fmt.Errorf("field epoch_provisions of message cosmos.mint.v1beta1.QueryEpochProvisionsResponse is not mutable")).

This directly addresses the concern raised in the review comment about the immutability of the EpochProvisions field. The code explicitly handles and reports the immutability of this field, which aligns with the expected behavior mentioned in the review comment.

Therefore, the verification confirms that the Mutable method behaves as expected in reporting the immutability of the EpochProvisions field.


Immutable Field Handling Confirmed

The Mutable method in the cosmos.mint.v1beta1 codebase correctly identifies and reports the immutability of the EpochProvisions field. This is explicitly handled in the query.pulsar.go file, ensuring that any attempts to modify this field will result in a clear error message.

  • Location: api/cosmos/mint/v1beta1/query.pulsar.go
Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Ensure the `Mutable` method accurately reflects the immutability of `EpochProvisions`.

# Test: Review the `Mutable` method for `EpochProvisions` to confirm it behaves as expected.
rg --type go 'Mutable' --context 10 | grep 'EpochProvisions'

Length of output: 4048


253-254: Check the NewField method for EpochProvisions to ensure it returns a correct new value.

Verification successful

The output from the executed script provides information about the NewField method implementations related to EpochProvisions in the query.pulsar.go file. However, the review comment specifically pertains to the mint.pulsar.go file and the handling of EpochProvisions in a switch case, which is not covered by the script output.

The script output shows the NewField method for both QueryEpochProvisionsRequest and QueryEpochProvisionsResponse in the query.pulsar.go file, but it does not provide any information about the mint.pulsar.go file or the specific switch case mentioned in the review comment.

Given this, the script did not verify the correct part of the codebase as per the review comment. To properly address the review comment, we need to inspect the NewField method or similar logic in the mint.pulsar.go file, specifically how it handles the EpochProvisions field.

To proceed, I will generate a new script to inspect the relevant parts of the mint.pulsar.go file.


The provided script output from mint.pulsar.go shows the handling of the EpochProvisions field within the Minter struct. Specifically, it details how the EpochProvisions field is managed in various methods such as Get, Set, Has, and Clear. Each of these methods correctly handles the EpochProvisions field according to its intended functionality:

  • The Get method returns the value of EpochProvisions.
  • The Set method updates the value of EpochProvisions.
  • The Has method checks if EpochProvisions is not an empty string.
  • The Clear method sets EpochProvisions to an empty string.

This confirms that the EpochProvisions field is appropriately managed in the Minter struct within the mint.pulsar.go file. The review comment asked to check the NewField method for EpochProvisions to ensure it returns a correct new value. The script output shows that the NewField method returns a string value of EpochProvisions when it is not empty, which aligns with the expected behavior for handling this field.

Based on this analysis, the handling of the EpochProvisions field in the mint.pulsar.go file is verified to be correct as per the review comment's concern.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify that the `NewField` method for `EpochProvisions` returns the appropriate new value.

# Test: Inspect the `NewField` method implementation for `EpochProvisions`.
rg --type go 'NewField' --context 10 | grep 'EpochProvisions'

Length of output: 2218



Script:

#!/bin/bash
# Description: Verify the handling of `EpochProvisions` in the `mint.pulsar.go` file.

# Test: Inspect the handling of `EpochProvisions` in the `mint.pulsar.go` file.
rg --type go 'EpochProvisions' api/cosmos/mint/v1beta1/mint.pulsar.go --context 10

Length of output: 17445


332-335: Review the size calculation for EpochProvisions to ensure it is included correctly.

Verification successful

The review comment concerns the accuracy of the size calculation for EpochProvisions in the api/cosmos/mint/v1beta1/mint.pulsar.go file. The provided script output shows various instances where EpochProvisions is involved in size calculations across different files in the codebase.

From the output, it's evident that EpochProvisions is treated as a field that has its own Size() method, which is used to calculate its size for serialization purposes. This method is called in several places, indicating a standardized approach to handling the size calculation of this field.

In the specific file and lines in question (api/cosmos/mint/v1beta1/mint.pulsar.go), the size calculation is done by first determining the length of EpochProvisions and then using this length in the size calculation formula. This approach is consistent with the usage seen in other parts of the codebase, such as x/mint/types/mint.pb.go.

Given this consistency and the presence of a dedicated Size() method for EpochProvisions, it appears that the size calculation for EpochProvisions in the mentioned file and lines is implemented correctly and in line with the rest of the codebase.

Therefore, the review comment seems to be addressed adequately in the code.


Size Calculation for EpochProvisions Verified

The size calculation for EpochProvisions in api/cosmos/mint/v1beta1/mint.pulsar.go appears to be implemented correctly and is consistent with other parts of the codebase where EpochProvisions is involved.

  • File: api/cosmos/mint/v1beta1/mint.pulsar.go
  • Method: Using len(x.EpochProvisions) for size calculation.
Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Confirm that the size calculation for `EpochProvisions` is accurate.

# Test: Check the size calculation method for the inclusion of `EpochProvisions`.
rg --type go 'Size' --context 10 | grep 'EpochProvisions'

Length of output: 6796


365-371: Ensure the marshaling of EpochProvisions is correctly implemented.

Verification successful

The output from the executed script provides several references to the handling of EpochProvisions in various parts of the codebase, particularly in marshaling and unmarshaling operations. The references include both QueryEpochProvisionsRequest and QueryEpochProvisionsResponse types, indicating that EpochProvisions is indeed being marshaled and unmarshaled in these contexts.

From the output, it is evident that the marshaling of EpochProvisions is implemented in multiple files and methods, such as MarshalTo, MarshalToSizedBuffer, and directly within the query.pulsar.go file. The specific lines from api/cosmos/mint/v1beta1/query.pulsar.go show the process of copying EpochProvisions into dAtA, encoding its length, and setting a protocol buffer field tag, which aligns with typical protocol buffer marshaling patterns in Go.

Given this information, it appears that the marshaling of EpochProvisions as shown in the snippet from api/cosmos/mint/v1beta1/mint.pulsar.go is consistent with other marshaling implementations in the codebase. Therefore, the implementation in the provided snippet seems to be correctly handling the EpochProvisions.

Conclusion:
The marshaling of EpochProvisions in the provided code snippet is implemented correctly and is consistent with other parts of the codebase that handle similar data structures.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify the correct marshaling behavior for `EpochProvisions`.

# Test: Examine the marshaling function to ensure `EpochProvisions` is handled properly.
rg --type go 'Marshal' --context 10 | grep 'EpochProvisions'

Length of output: 5928


499-530: Check the unmarshaling logic for EpochProvisions to ensure it correctly parses the field.

Verification successful

The output from the executed script provides several references to the unmarshaling logic related to EpochProvisions across different files in the codebase. Specifically, it shows the handling of this field in various contexts, including error handling for incorrect wire types and the actual assignment of the field's value from the byte slice dAtA.

From the output, we can observe:

  • The unmarshaling logic checks for the correct wire type and handles potential errors like integer overflow, unexpected EOF, and invalid length.
  • The actual value for EpochProvisions is extracted from the byte slice and converted to a string, which is then assigned to the respective struct field.

This aligns with the snippet provided in the review comment, where similar checks and assignments are performed. The logic appears to be consistent across different parts of the codebase where EpochProvisions is handled, suggesting that the unmarshaling process for this field is implemented correctly.

Given this information, it seems that the unmarshaling logic for EpochProvisions is correctly parsing the field as per the requirements and consistent error handling patterns observed in the codebase.

Conclusion:
The unmarshaling logic for EpochProvisions in the provided code snippet is implemented correctly and is consistent with other parts of the codebase handling similar data.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Confirm that the unmarshaling logic for `EpochProvisions` is correctly implemented.

# Test: Inspect the unmarshaling function for correct parsing of `EpochProvisions`.
rg --type go 'Unmarshal' --context 10 | grep 'EpochProvisions'

Length of output: 5372

api/cosmos/mint/v1beta1/query.pulsar.go (1)

3462-3502: Verify the correctness of HTTP paths in service annotations.

Check that the HTTP paths specified in the service annotations correctly map to the intended handlers. This is crucial for ensuring that the API behaves as expected when accessed over HTTP.

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Actionable comments posted: 5

Out of diff range and nitpick comments (1)
x/mint/README.md (1)

Line range hint 129-129: Separate the adverb "however" for grammatical correctness.

- The maximum rate change possible is defined to be 13% per year, however, the annual inflation is capped as between 7% and 20%.
+ The maximum rate change possible is defined to be 13% per year; however, the annual inflation is capped as between 7% and 20%.
Review Details

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Review profile: CHILL

Commits Files that changed from the base of the PR and between b29298a and c6da896.
Files ignored due to path filters (2)
  • x/mint/types/genesis.pb.go is excluded by !**/*.pb.go
  • x/mint/types/mint.pb.go is excluded by !**/*.pb.go
Files selected for processing (9)
  • api/cosmos/mint/v1beta1/genesis.pulsar.go (15 hunks)
  • api/cosmos/mint/v1beta1/mint.pulsar.go (29 hunks)
  • simapp/app.go (1 hunks)
  • tests/e2e/mint/grpc.go (2 hunks)
  • x/mint/README.md (10 hunks)
  • x/mint/migrations/v4/migrate_test.go (1 hunks)
  • x/mint/module.go (3 hunks)
  • x/mint/proto/cosmos/mint/v1beta1/genesis.proto (2 hunks)
  • x/mint/proto/cosmos/mint/v1beta1/mint.proto (2 hunks)
Files not summarized due to errors (1)
  • api/cosmos/mint/v1beta1/mint.pulsar.go: Error: Message exceeds token limit
Files skipped from review as they are similar to previous changes (6)
  • api/cosmos/mint/v1beta1/genesis.pulsar.go
  • simapp/app.go
  • tests/e2e/mint/grpc.go
  • x/mint/module.go
  • x/mint/proto/cosmos/mint/v1beta1/genesis.proto
  • x/mint/proto/cosmos/mint/v1beta1/mint.proto
Additional Context Used
LanguageTool (4)
x/mint/README.md (4)

Near line 70: This verb may not be in the correct form. Consider using a different form for this context.
Context: ...ion of the MaxSupply parameter allows controlling the maximum supply of tokens minted by ...


Near line 110: You might be missing the article “the” here.
Context: ...by external modules. NOTE: Only one of BeginBlock or BeginEpoch hooks should be enabled f...


Near line 113: A determiner appears to be missing. Consider inserting it.
Context: ...nting. ### Inflation rate calculation Inflation rate is calculated using an "inflation ...


Near line 129: The word “however” is an adverb that can’t be used like a conjunction, and therefore needs to be separated from the sentence.
Context: ...e possible is defined to be 13% per year, however, the annual inflation is capped as betwe...

Path-based Instructions (3)
x/mint/migrations/v4/migrate_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"

x/mint/README.md (1)

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

api/cosmos/mint/v1beta1/mint.pulsar.go (1)

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

Additional comments not posted (13)
api/cosmos/mint/v1beta1/mint.pulsar.go (13)

22-22: Addition of fd_Minter_epoch_provisions field descriptor.


30-30: Initialization of fd_Minter_epoch_provisions in the init function.


110-115: Handling of EpochProvisions in the Range method of fastReflection_Minter.


135-136: Check for the presence of EpochProvisions in the Has method.


157-158: Clearing of EpochProvisions in the Clear method.


181-183: Retrieval of EpochProvisions value in the Get method.


208-209: Setting of EpochProvisions value in the Set method.


234-235: Attempt to mutate EpochProvisions in the Mutable method correctly triggers a panic since the field is not mutable.


253-254: Proper handling of NewField for EpochProvisions to return a default string value.


332-335: Correct calculation of size for EpochProvisions in the ProtoMethods size function.


365-371: Proper marshaling of EpochProvisions in the ProtoMethods marshal function.


499-530: Correct handling of EpochProvisions in the ProtoMethods unmarshal function, including error handling for wire types and length.


Line range hint 1665-1708: Addition of EpochProvisions field in the Minter struct and its getter method.

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Actionable comments posted: 0

Out of diff range and nitpick comments (1)
x/mint/README.md (1)

Line range hint 10-26: Correct the indentation of the unordered list items for better readability.

-    * [State](#state)
-        * [Minter](#minter)
-        * [Params](#params)
-    * [LastReductionEpoch](#lastreductionepoch)
-    * [Begin Epoch](#begin-epoch)
-        * [NextEpochProvisions](#nextepochprovisions)
-        * [EpochProvision](#epochprovision)
+  * [State](#state)
+    * [Minter](#minter)
+    * [Params](#params)
+  * [LastReductionEpoch](#lastreductionepoch)
+  * [Begin Epoch](#begin-epoch)
+    * [NextEpochProvisions](#nextepochprovisions)
+    * [EpochProvision](#epochprovision)
Review Details

Configuration used: .coderabbit.yml
Review profile: CHILL

Commits Files that changed from the base of the PR and between c6da896 and 5fda275.
Files selected for processing (2)
  • x/mint/README.md (10 hunks)
  • x/mint/keeper/migrator.go (2 hunks)
Additional Context Used
LanguageTool (2)
x/mint/README.md (2)

Near line 128: Possible missing preposition found.
Context: ...e desired ratio (67%). The maximum rate change possible is defined to be 13% per year,...


Near line 129: The word “however” is an adverb that can’t be used like a conjunction, and therefore needs to be separated from the sentence.
Context: ...e possible is defined to be 13% per year, however, the annual inflation is capped as betwe...

Path-based Instructions (2)
x/mint/keeper/migrator.go (1)

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

x/mint/README.md (1)

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

Additional comments not posted (3)
x/mint/keeper/migrator.go (2)

Line range hint 39-48: LGTM! The migration logic for Migrate2to3 correctly initializes and sets the new MaxSupply parameter.


51-66: LGTM! The migration logic for Migrate3to4 correctly handles the LastReductionEpoch parameter, ensuring it is initialized and stored properly.

x/mint/README.md (1)

12-15: LGTM! The documentation updates correctly reflect the new epoch-based minting system.

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Actionable comments posted: 0

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Review profile: CHILL

Commits Files that changed from the base of the PR and between 5fda275 and fcdfa28.
Files selected for processing (1)
  • x/mint/keeper/migrator.go (2 hunks)
Files skipped from review as they are similar to previous changes (1)
  • x/mint/keeper/migrator.go

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Commits Files that changed from the base of the PR and between fcdfa28 and 963c1b5.
Files selected for processing (1)
  • x/mint/keeper/hooks.go (1 hunks)
Files skipped from review as they are similar to previous changes (1)
  • x/mint/keeper/hooks.go

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Configuration used: .coderabbit.yml
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Commits Files that changed from the base of the PR and between 963c1b5 and 44bdc27.
Files ignored due to path filters (2)
  • x/mint/go.mod is excluded by !**/*.mod
  • x/mint/go.sum is excluded by !**/*.sum
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  • simapp/app.go (1 hunks)
Files skipped from review as they are similar to previous changes (1)
  • simapp/app.go

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Actionable comments posted: 0

Out of diff range and nitpick comments (5)
x/mint/types/expected_keepers.go (1)

37-40: Add documentation for the EpochsKeeper interface and its method.

To maintain consistency and clarity, consider adding comments to describe the EpochsKeeper interface and its GetEpochInfo method.

x/mint/depinject.go (1)

37-37: Add documentation for the EpochsKeeper field in ModuleInputs.

To maintain consistency and clarity, consider adding comments to describe the EpochsKeeper field in the ModuleInputs struct.

x/mint/keeper/keeper_test.go (1)

53-53: Add documentation for the epochsKeeper field in IntegrationTestSuite.

To maintain consistency and clarity, consider adding comments to describe the epochsKeeper field in the IntegrationTestSuite struct.

x/mint/keeper/genesis_test.go (1)

57-57: Add documentation for the epochsKeeper field in GenesisTestSuite.

To maintain consistency and clarity, consider adding comments to describe the epochsKeeper field in the GenesisTestSuite struct.

x/mint/testutil/expected_keepers_mocks.go (1)

227-263: Add documentation for the MockEpochsKeeper struct and its methods.

To maintain consistency and clarity, consider adding comments to describe the MockEpochsKeeper struct and its GetEpochInfo method.

Review Details

Configuration used: .coderabbit.yml
Review profile: CHILL

Commits Files that changed from the base of the PR and between 44bdc27 and 3a7479b.
Files selected for processing (9)
  • x/epochs/keeper/epoch.go (1 hunks)
  • x/mint/depinject.go (2 hunks)
  • x/mint/keeper/abci.go (1 hunks)
  • x/mint/keeper/genesis_test.go (2 hunks)
  • x/mint/keeper/grpc_query_test.go (3 hunks)
  • x/mint/keeper/keeper.go (4 hunks)
  • x/mint/keeper/keeper_test.go (2 hunks)
  • x/mint/testutil/expected_keepers_mocks.go (9 hunks)
  • x/mint/types/expected_keepers.go (2 hunks)
Files skipped from review as they are similar to previous changes (2)
  • x/mint/keeper/grpc_query_test.go
  • x/mint/keeper/keeper.go
Additional Context Used
Path-based Instructions (7)
x/mint/types/expected_keepers.go (1)

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

x/mint/depinject.go (1)

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

x/epochs/keeper/epoch.go (1)

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

x/mint/keeper/keeper_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"

x/mint/keeper/genesis_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"

x/mint/keeper/abci.go (1)

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

x/mint/testutil/expected_keepers_mocks.go (1)

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

Additional comments not posted (7)
x/mint/depinject.go (1)

71-71: Ensure proper error handling for the EpochsKeeper initialization.

Verify that the EpochsKeeper is correctly initialized and handled in all relevant parts of the codebase.

x/epochs/keeper/epoch.go (1)

10-18: Ensure proper error handling and logging for the GetEpochInfo method.

Consider adding logging for error cases to aid in debugging and monitoring.

x/mint/keeper/keeper_test.go (1)

64-64: Ensure proper error handling for the epochsKeeper initialization.

Verify that the epochsKeeper is correctly initialized and handled in all relevant parts of the test suite.

x/mint/keeper/genesis_test.go (2)

62-62: Ensure proper error handling for the epochsKeeper initialization.

Verify that the epochsKeeper is correctly initialized and handled in all relevant parts of the test suite.


Line range hint 67-82: Ensure comprehensive test coverage for the new genesis parameters.

Verify that the new genesis parameters related to epochs are thoroughly tested, including edge cases and error scenarios.

x/mint/keeper/abci.go (2)

14-18: Ensure proper error handling and logging for the BeginBlocker2 function.

Consider adding logging for error cases to aid in debugging and monitoring.


40-126: Ensure proper error handling and logging for the BeginBlocker function.

Consider adding logging for error cases to aid in debugging and monitoring.

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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 3a7479b and a9fbc33.
Files selected for processing (4)
  • x/mint/keeper/abci.go (1 hunks)
  • x/mint/keeper/genesis_test.go (2 hunks)
  • x/mint/keeper/grpc_query_test.go (1 hunks)
  • x/mint/keeper/keeper.go (3 hunks)
Files skipped from review as they are similar to previous changes (4)
  • x/mint/keeper/abci.go
  • x/mint/keeper/genesis_test.go
  • x/mint/keeper/grpc_query_test.go
  • x/mint/keeper/keeper.go

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x/mint: Migrate away from blocks influencing issuance to use epochs
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