fix(unorderedtx): issues reported in audit #21467
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WalkthroughWalkthroughThe changes introduce enhancements to transaction management in the application, particularly for unordered transactions. Key updates include the addition of a Changes
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Actionable comments posted: 0
Outside diff range, codebase verification and nitpick comments (1)
UPGRADING.md (1)
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771-772: Remove the empty code block.The empty code block at the end of the file serves no purpose and should be removed to improve clarity and avoid confusion.
Remove the following lines:
-``` -Tools
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Files selected for processing (7)
- UPGRADING.md (1 hunks)
- baseapp/abci_utils.go (2 hunks)
- simapp/app.go (2 hunks)
- simapp/app_di.go (5 hunks)
- types/mempool/priority_nonce.go (2 hunks)
- types/mempool/sender_nonce.go (2 hunks)
- x/auth/ante/unorderedtx/manager.go (2 hunks)
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Path-based instructions (7)
x/auth/ante/unorderedtx/manager.go (1)
Pattern
**/*.go: Review the Golang code for conformity with the Uber Golang style guide, highlighting any deviations.types/mempool/sender_nonce.go (1)
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**/*.go: Review the Golang code for conformity with the Uber Golang style guide, highlighting any deviations.simapp/app_di.go (1)
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**/*.go: Review the Golang code for conformity with the Uber Golang style guide, highlighting any deviations.types/mempool/priority_nonce.go (1)
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**/*.go: Review the Golang code for conformity with the Uber Golang style guide, highlighting any deviations.baseapp/abci_utils.go (1)
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**/*.go: Review the Golang code for conformity with the Uber Golang style guide, highlighting any deviations.simapp/app.go (1)
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**/*.go: Review the Golang code for conformity with the Uber Golang style guide, highlighting any deviations.UPGRADING.md (1)
Pattern
**/*.md: "Assess the documentation for misspellings, grammatical errors, missing documentation and correctness"
Additional comments not posted (23)
x/auth/ante/unorderedtx/manager.go (2)
60-62: LGTM!The code changes are approved for the following reasons:
- Using
os.MkdirAllinstead ofos.Mkdirimproves robustness by allowing the creation of nested directories and ensuring the entire directory path is created if it doesn't exist.- Panicking with a formatted error message provides clearer feedback on potential issues during initialization.
190-191: LGTM!The code changes are approved. The updated comment for the
flushToFilemethod enhances clarity by specifying that it writes all unordered transactions, including those that are expired but not yet pruned.types/mempool/sender_nonce.go (2)
148-155: LGTM!The code segment correctly handles unordered transactions by using the gas limit as the nonce and includes appropriate error handling. It also conforms to the Uber Golang style guide.
239-246: LGTM!The code segment correctly handles unordered transactions by using the gas limit as the nonce during removal and includes appropriate error handling. It also conforms to the Uber Golang style guide.
simapp/app_di.go (4)
9-9: LGTM!The import of the
filepathpackage is approved.
39-39: LGTM!The import of the
flagspackage is approved.
56-56: LGTM!The import of the
castpackage is approved.
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275-344: Unordered Transaction Manager IntegrationThe changes introduce a robust integration of the unordered transaction manager into the
SimAppclass. Key aspects include:
- Instantiation and startup of the unordered transaction manager.
- Addition of the
Precommitermethod to execute the module manager's precommit logic and signal a new block to the unordered transaction manager.- Introduction of the
Closemethod to ensure proper shutdown of the application and the unordered transaction manager.The code follows best practices and adheres to the Uber Go Style Guide.
types/mempool/priority_nonce.go (2)
226-235: Looks good! The code correctly handles unordered transactions.The changes introduce a new conditional block to handle the case when a transaction is unordered. If the transaction implements the
sdk.TxWithUnorderedinterface andGetUnordered()returns true, the nonce is replaced with the gas limit obtained fromGetGasLimit(). Error handling is performed to return the error if retrieving the gas limit fails.The code follows the Uber Go Style Guide.
472-480: LGTM! The changes are consistent with theInsertmethod.The code segment introduces the same conditional block as in the
Insertmethod to handle unordered transactions. If the transaction is unordered, the nonce is replaced with the gas limit obtained fromGetGasLimit(). Error handling is performed to return the error if retrieving the gas limit fails.The code is consistent with the changes made in the
Insertmethod and follows the Uber Go Style Guide.baseapp/abci_utils.go (4)
295-296: New check introduced to identify unordered transactions.The code now checks if the transaction implements the
sdk.TxWithUnorderedinterface and callsGetUnordered()to determine its ordering status. This is a crucial change that affects the handling of these transactions in the subsequent logic.
298-328: Conditional handling of unordered and ordered transactions.The code introduces a conditional flow based on the transaction's ordering status:
- For unordered transactions, the sequence validation is bypassed entirely.
- For ordered transactions, the existing sequence validation logic is followed, checking the sequence against previously seen signers.
This change simplifies the processing of unordered transactions by avoiding unnecessary sequence checks, while maintaining the existing validation for ordered transactions.
346-360: Selective sequence update for ordered transactions.The code now updates the sender's sequence only for ordered transactions. This change ensures that unordered transactions do not affect the sequence tracking, maintaining consistency in the processing logic.
Additionally, the code checks if a new transaction has been added to the selected transactions before updating the sequence. This helps prevent unnecessary updates and maintains the integrity of the sequence tracking.
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295-360: Conformity with Uber Golang style guide.The changed code segments follow the Uber Golang style guide in terms of naming conventions, formatting, and code structure. No deviations from the style guide were observed.
simapp/app.go (3)
601-601: LGTM!The code changes are approved.
703-709: LGTM!The code changes are approved.
601-601: Skipped duplicate code segment.This code segment is a duplicate and has already been reviewed.
UPGRADING.md (6)
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1-4: Section "Upgrading Cosmos SDK" looks good.The section provides a clear introduction to the purpose of the upgrade guide.
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6-296: Section "[Unreleased]" is well-structured with detailed instructions.The section provides upgrade instructions for an unreleased version of the Cosmos SDK. It is well-organized with clear subsections covering various components like BaseApp, Protobuf, Modules, etc. The instructions seem to be detailed and cover different aspects of the upgrade process.
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298-510: Section "[v0.47.x]" provides comprehensive upgrade instructions.The section offers detailed upgrade instructions for version v0.47.x of the Cosmos SDK. It covers important topics such as migration to CometBFT, simulation, gRPC, AppModule interface changes, and updates to various modules. The instructions provide clear guidance on the necessary modifications for a successful upgrade.
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512-729: Section "[v0.46.x]" provides detailed and well-organized upgrade instructions.The section offers comprehensive upgrade instructions for version v0.46.x of the Cosmos SDK. It covers a wide range of topics, including Go API changes, introduction of new packages, keyring refactoring, IAVL upgrade, and module-specific changes. The instructions are well-structured and provide clear guidance for developers to successfully upgrade to v0.46.x.
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731-769: Section "Protobuf" provides clear instructions on changes.The section offers clear guidance on the changes related to protobuf in the Cosmos SDK. It informs developers about the removal of the
third_party/protofolder and the adoption ofbuffor managing proto files. Additionally, it provides instructions on how to extend Cosmos message protobufs withcosmos.msg.v1.signer. The section is well-written and helps developers understand and adapt to the protobuf changes in the SDK.Tools
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1-772: Overall assessment: Comprehensive and well-structured upgrade guide.The UPGRADING.md file provides comprehensive upgrade instructions for different versions of the Cosmos SDK. The instructions are well-structured, detailed, and cover various aspects of the upgrade process, including changes to BaseApp, Protobuf, modules, and more. The file is generally well-written and easy to follow, making it a valuable resource for developers upgrading their Cosmos SDK-based projects. With a few minor improvements, such as removing the empty code block at the end, this file effectively serves its purpose as a clear and comprehensive upgrade guide.
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simapp/app_di.go
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| @@ -268,6 +272,16 @@ func NewSimApp( | |||
| // return app.App.InitChainer(ctx, req) | |||
| // }) | |||
|
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|||
| // create, start, and load the unordered tx manager | |||
There was a problem hiding this comment.
This should be deleted, runtime has it.
simapp/app_di.go
Outdated
| app.UnorderedTxManager.OnNewBlock(ctx.BlockTime()) | ||
| } | ||
|
|
||
| // Close implements the Application interface and closes all necessary application |
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Ditto, should be deleted, runtime abstracts it
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ah, didn't realize it was there already
simapp/app_di.go
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| @@ -312,6 +326,23 @@ func (app *SimApp) setCustomAnteHandler() { | |||
| app.SetAnteHandler(anteHandler) | |||
| } | |||
|
|
|||
| func (app *SimApp) Precommiter(ctx sdk.Context) { | |||
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Can we have runtime have this?
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EDIT: thinking about it, I don't think we should use this.
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Actionable comments posted: 2
Outside diff range, codebase verification and nitpick comments (2)
runtime/app.go (1)
176-178: Methods are implemented, butBlockTimeis deprecated.The
OnNewBlockmethod forUnorderedTxManageris correctly implemented, ensuring that the code changes inruntime/app.goare valid. However, theBlockTimemethod in theContexttype is marked as deprecated. It is advisable to consider using an alternative method if available to avoid potential issues with deprecated functionality.
OnNewBlockis defined indocs/architecture/adr-070-unordered-transactions.md.BlockTimeis defined intypes/context.goand is deprecated.Analysis chain
Conditional check and method call in
PreBlockerare appropriate.The addition of a conditional check for
UnorderedTxManagerbeing non-null and the subsequent call toOnNewBlockaligns with the PR's objectives to enhance transaction management for unordered transactions. This change is crucial for managing transactions that are processed in an unordered manner and helps ensure robustness in transaction processing.However, it's important to verify that the
OnNewBlockmethod is properly implemented and thatctx.BlockTime()is a valid and error-free method call. Additionally, ensure that there are no potential null pointer exceptions or race conditions introduced with this change.Run the following script to verify the method
OnNewBlockandctx.BlockTime():Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the method `OnNewBlock` and `ctx.BlockTime()`. # Test: Search for the method `OnNewBlock` and `ctx.BlockTime()`. Expect: Proper definitions and no errors. ast-grep --lang go --pattern $'func (UnorderedTxManager) OnNewBlock($_) { $$$ }' ast-grep --lang go --pattern $'func (Context) BlockTime() $_ { $$$ }'Length of output: 152
Script:
#!/bin/bash # Search for the definition of the UnorderedTxManager type and its methods ast-grep --lang go --pattern $'type UnorderedTxManager struct { $$$ }' rg 'func \(.*UnorderedTxManager.*\) OnNewBlock' -A 5 # Search for the definition of the Context type and its methods ast-grep --lang go --pattern $'type Context struct { $$$ }' rg 'func \(.*Context.*\) BlockTime' -A 5Length of output: 7077
UPGRADING.md (1)
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1-287: Documentation Review: Clarity and CompletenessThe documentation provides a detailed guide on upgrading the Cosmos SDK, which is essential for developers to adapt their applications to the latest changes. It covers new features, deprecated features, and breaking changes comprehensively.
However, to enhance clarity and ensure developers fully understand the implications of these changes, consider the following improvements:
- Provide examples for complex upgrades or migrations, especially when introducing new concepts or significant changes to existing functionalities.
- Include a section on common pitfalls or issues that developers might encounter during the upgrade process and suggest possible solutions.
Enhancing the documentation with practical examples and troubleshooting tips would make it more actionable and user-friendly, reducing the potential for errors during the upgrade process.
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Files selected for processing (3)
- UPGRADING.md (1 hunks)
- runtime/app.go (1 hunks)
- x/auth/ante/unordered_test.go (2 hunks)
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Path-based instructions (3)
x/auth/ante/unordered_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"runtime/app.go (1)
Pattern
**/*.go: Review the Golang code for conformity with the Uber Golang style guide, highlighting any deviations.UPGRADING.md (1)
Pattern
**/*.md: "Assess the documentation for misspellings, grammatical errors, missing documentation and correctness"
GitHub Check: tests (02)
x/auth/ante/unordered_test.go
[failure] 11-11:
cannot find module providing package cosmossdk.io/x/auth/ante: import lookup disabled by -mod=readonly
Additional comments not posted (2)
x/auth/ante/unordered_test.go (2)
144-144: Approved function signature change.The change from
*testing.Ttotesting.TBin the function signature ofgenUnorderedTxenhances flexibility by allowing it to be used with both testing types. This is a positive change for test maintainability and usability.
20-20: Test functions are well-implemented.The test functions in this file are well-structured and provide comprehensive coverage for the scenarios involving unordered transactions. The use of the
requirepackage for assertions is appropriate and follows best practices in Go testing.Also applies to: 30-30, 40-40, 50-50, 60-60, 70-70
x/auth/ante/unordered_test.go
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| "cosmossdk.io/x/auth/ante" | ||
| "cosmossdk.io/x/auth/ante/unorderedtx" |
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Resolve import path issue.
The static analysis tool reports an issue with the import path cosmossdk.io/x/auth/ante, indicating that the module providing this package cannot be found. This could be due to a misconfiguration in the module setup or an incorrect import path. Please verify the module configuration and ensure that the import path is correct.
Tools
GitHub Check: tests (02)
[failure] 11-11:
cannot find module providing package cosmossdk.io/x/auth/ante: import lookup disabled by -mod=readonly
| func (app *SimApp) PreBlocker(ctx sdk.Context, req *abci.RequestFinalizeBlock) (*sdk.ResponsePreBlock, error) { | ||
| app.UnorderedTxManager.OnNewBlock(ctx.BlockTime()) | ||
| return app.ModuleManager.PreBlock(ctx, req) | ||
| } |
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Review: Integration of Unordered Transaction Manager in PreBlocker()
The integration of the unordered transaction manager within the PreBlocker() method is crucial for handling unordered transactions effectively. The method now calls OnNewBlock() on the unordered transaction manager, which is a significant change to ensure that the manager is notified upon each new block. This allows the manager to process transactions that do not require a specific order.
However, the documentation should clarify what specific errors might trigger the panic and under what conditions. This would help developers understand the potential risks and how to mitigate them.
Consider adding more detailed error handling documentation to clarify under what conditions the panic is triggered and how to handle these errors gracefully.
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- simapp/app.go (1 hunks)
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simapp/app.go (1)
Pattern
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simapp/app.go (1)
689-689: Review of the new line inPreBlockermethod.The addition of
app.UnorderedTxManager.OnNewBlock(ctx.BlockTime())in thePreBlockermethod is a critical update. This line ensures that the unordered transaction manager is updated with the current block time, which is essential for managing transactions that are not ordered. This change aligns with the PR's objective to enhance transaction management, particularly for unordered transactions.The integration of this line appears to be correctly placed within the
PreBlockermethod, ensuring that the transaction manager's state is updated before any other pre-block processing occurs. This is crucial for maintaining the integrity and order of transactions within the block.Code Quality and Best Practices:
- The code change is minimal and directly addresses the issue highlighted by the audit, making it an efficient solution.
- The use of
ctx.BlockTime()to fetch the current block time is appropriate and ensures that the transaction manager has the most accurate and up-to-date information.Potential Improvements:
- While the current change is sufficient for the immediate needs, future enhancements could include error handling around the
OnNewBlockmethod to manage any exceptions that might occur during the block time update process.Conclusion:
- The change is well-integrated and crucial for the functionality it aims to improve. It adheres to the best practices of minimal and direct code modifications to address specific issues.
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Files selected for processing (2)
- x/auth/ante/unorderedtx/manager.go (3 hunks)
- x/auth/ante/unorderedtx/snapshotter.go (1 hunks)
Files skipped from review as they are similar to previous changes (1)
- x/auth/ante/unorderedtx/manager.go
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x/auth/ante/unorderedtx/snapshotter.go (1)
Pattern
**/*.go: Review the Golang code for conformity with the Uber Golang style guide, highlighting any deviations.
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x/auth/ante/unorderedtx/snapshotter.go (1)
84-86: Consider the implications of including potentially expired transactions.The change to include transactions with a non-zero timestamp simplifies the condition but shifts the responsibility of filtering out expired transactions to the purge loop. This could potentially increase the load on the purge loop and affect system performance.
Ensure that the purge loop is robust enough to handle potentially increased volumes of expired transactions efficiently. It may also be beneficial to add metrics or logging around this behavior to monitor its impact.
|
Looks like this one is still failing: https://github.com/cosmos/cosmos-sdk/actions/runs/10793278686/job/29934994553?pr=21467 |
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Outside diff range and nitpick comments (1)
x/auth/ante/unorderedtx/snapshotter_test.go (1)
42-55: LGTM! The changes enhance the clarity and functionality of the test.The updated comments provide a clear explanation of the expected behavior when restoring with a timestamp greater than the timeout. The use of a specific timestamp value in the
RestoreExtensiontest simplifies the test and ensures consistent behavior across test runs.The size verification after the restoration ensures that the expected number of transactions is being handled correctly. The sequence of operations that starts the transaction manager, waits for the background purge loop to execute, and checks the size of the transaction manager after a delay verifies that the transactions are being purged as expected.
Suggestions for further improvement:
Consider adding a test case that specifically verifies the behavior when restoring with a timestamp less than the timeout. This would complement the existing test case and provide more comprehensive coverage of the restoration functionality.
To improve the readability of the test, consider extracting the sequence of operations related to starting the transaction manager and waiting for the background purge loop into a separate helper function. This would make the main test function more concise and easier to understand.
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Files selected for processing (2)
- x/auth/ante/unorderedtx/manager.go (5 hunks)
- x/auth/ante/unorderedtx/snapshotter_test.go (1 hunks)
Files skipped from review as they are similar to previous changes (1)
- x/auth/ante/unorderedtx/manager.go
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x/auth/ante/unorderedtx/snapshotter_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"
(cherry picked from commit e9eaefa)
Description
This PR aims to fix some concerns raised by an external auditor.
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Summary by CodeRabbit
New Features
Precommitermethod to enhance transaction management.Closemethod to ensure proper shutdown of application resources.PreBlockermethod to notify the unordered transaction manager of new blocks.Bug Fixes
Documentation