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fix: audit #107

Merged
merged 6 commits into from
Sep 19, 2024
Merged

fix: audit #107

merged 6 commits into from
Sep 19, 2024

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beer-1
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@beer-1 beer-1 commented Sep 10, 2024

Description

Closes: #XXXX


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  • confirmed ! in the type prefix if API or client breaking change
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  • reviewed "Files changed" and left comments if necessary
  • included the necessary unit and integration tests
  • updated the relevant documentation or specification, including comments for documenting Go code
  • confirmed all CI checks have passed

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  • 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

    • Enhanced account management by preventing unnecessary account creation during token deposits.
    • Improved validator management with additional checks for consensus address associations.
    • Refined validation logic for token withdrawal and deposit requests, ensuring only valid amounts and addresses are accepted.
  • Bug Fixes

    • Optimized deposit handling logic for clearer event logging and better error management.
  • Tests

    • Expanded test coverage for token deposit processes, ensuring accurate event attribute validation in success and failure scenarios.
  • Chores

    • Removed obsolete event constants related to hook success and reason, simplifying event handling logic.

@beer-1 beer-1 self-assigned this Sep 10, 2024
@beer-1 beer-1 requested a review from a team as a code owner September 10, 2024 08:49
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coderabbitai bot commented Sep 10, 2024

Walkthrough

The pull request introduces several modifications across multiple files in the x/opchild module. Key changes include enhanced account creation logic in the safeDepositToken function, additional validator management steps in the ChangeExecutor method, improved event handling in the FinalizeTokenDeposit function, and refined validation criteria in the MsgInitiateTokenWithdrawal struct. New tests have been added to ensure the correctness of these functionalities, while some constants related to hook events have been removed, indicating a shift in event handling.

Changes

Files Change Summary
x/opchild/keeper/deposit.go Modified safeDepositToken to check for existing accounts before creation, improving efficiency.
x/opchild/keeper/executor_change.go Added a call to SetValidatorByConsAddr after SetValidator in ChangeExecutor method to enhance validator management.
x/opchild/keeper/executor_change_test.go Introduced Test_ExecuteChangePlan to validate OPChildKeeper functionality for executing validator change plans.
x/opchild/keeper/msg_server.go Renamed variables in FinalizeTokenDeposit for clarity and improved deposit handling logic, separating deposit success from hook execution.
x/opchild/keeper/msg_server_test.go Added checks in tests to validate event attributes related to deposit success and failure scenarios.
x/opchild/keeper/val_state_change.go Simplified ApplyAndReturnValidatorSetUpdates by replacing maximum validator retrieval with a call to get all validators.
x/opchild/types/events.go Removed AttributeKeyHookSuccess and AttributeKeyHookReason constants, indicating a change in event handling logic.
x/opchild/types/tx.go Modified validation logic in MsgInitiateTokenWithdrawal to ensure the Amount must be greater than zero and simplified address validation in MsgFinalizeTokenDeposit.
x/ophost/keeper/msg_server_test.go Changed parameters in Test_InitiateTokenDeposit to reflect a new context for message initiation.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant MsgServer
    participant Keeper
    participant EventLogger

    User->>MsgServer: Initiate Token Deposit
    MsgServer->>Keeper: FinalizeTokenDeposit
    Keeper-->>MsgServer: Deposit Success
    MsgServer->>EventLogger: Log Deposit Event
    alt Hook Execution
        MsgServer->>Keeper: Execute Hook
        Keeper-->>MsgServer: Hook Success
        MsgServer->>EventLogger: Log Hook Event
    else Hook Failure
        MsgServer->>EventLogger: Log Hook Failure
    end
Loading

🐇 "In the meadow, changes bloom,
With deposits and hooks, we make room.
Validators dance, events take flight,
In the code, everything feels right.
Hooray for updates, let’s cheer and play,
For a brighter tomorrow, hip-hip-hooray!" 🌼


Recent review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between e9f4748 and fb22529.

Files selected for processing (2)
  • x/opchild/types/tx.go (2 hunks)
  • x/ophost/keeper/msg_server_test.go (1 hunks)
Additional comments not posted (3)
x/opchild/types/tx.go (2)

174-174: Improved validation logic for withdrawal amount.

The change in the condition for validating the Amount field enhances the robustness of the validation logic. By checking if the amount is invalid or not positive, it ensures that only positive amounts are accepted for token withdrawals, thereby preventing potential issues with negative values.


254-255: Verify the impact of stricter address validation.

The removal of the special condition for the "hook" address means that all addresses, including "hook," will now undergo the same validation process using StringToBytes. This change could lead to stricter validation of addresses, potentially rejecting previously accepted values.

Please ensure that this stricter validation aligns with the intended behavior and does not break any existing functionality that relied on the special treatment of the "hook" address.

To verify the impact of this change, run the following script:

Verification successful

Removal of "hook" special condition is a safe improvement

The change to remove the special condition for the "hook" address in MsgFinalizeTokenDeposit.Validate appears to be a safe improvement:

  1. No other occurrences of "hook" as a special address were found in the codebase.
  2. The new implementation applies consistent validation to all addresses, improving security and consistency.
  3. No other parts of the codebase seem to rely on the special "hook" condition.

This change aligns with best practices for address validation without breaking existing functionality.

Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify if the "hook" address is used in the codebase and if it aligns with the new validation logic.

# Test 1: Search for occurrences of the "hook" address in the codebase.
# Expect: No occurrences of "hook" being used as a special address.
rg --type go '"hook"' 

# Test 2: Search for usage of `MsgFinalizeTokenDeposit` in the codebase.
# Expect: All occurrences should pass the new validation logic.
rg --type go -A 5 'MsgFinalizeTokenDeposit'

Length of output: 85331

x/ophost/keeper/msg_server_test.go (1)

166-166: Verify if the InitiateTokenDeposit function and other related code have been updated to handle the "l2_addr" argument correctly.

The change in the argument name from "hook" to "l2_addr" is fine in the test. However, please ensure that the InitiateTokenDeposit function in the msg_server.go file and any other related code have been updated to handle the "l2_addr" argument correctly. Inconsistent updates could lead to issues in token deposit handling.

Run the following script to verify the usage of "l2_addr" argument:


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codecov bot commented Sep 10, 2024

Codecov Report

Attention: Patch coverage is 60.52632% with 15 lines in your changes missing coverage. Please review.

Project coverage is 48.50%. Comparing base (f952aa4) to head (fb22529).
Report is 3 commits behind head on main.

Files with missing lines Patch % Lines
x/opchild/keeper/msg_server.go 66.66% 6 Missing and 3 partials ⚠️
x/opchild/keeper/executor_change.go 0.00% 2 Missing and 1 partial ⚠️
x/opchild/types/tx.go 0.00% 1 Missing and 2 partials ⚠️
Additional details and impacted files

Impacted file tree graph

@@            Coverage Diff             @@
##             main     #107      +/-   ##
==========================================
+ Coverage   47.89%   48.50%   +0.61%     
==========================================
  Files          57       57              
  Lines        4270     4284      +14     
==========================================
+ Hits         2045     2078      +33     
+ Misses       1798     1771      -27     
- Partials      427      435       +8     
Files with missing lines Coverage Δ
x/opchild/keeper/deposit.go 63.23% <100.00%> (+0.54%) ⬆️
x/opchild/keeper/val_state_change.go 53.75% <100.00%> (+1.36%) ⬆️
x/opchild/keeper/executor_change.go 40.98% <0.00%> (+13.39%) ⬆️
x/opchild/types/tx.go 55.37% <0.00%> (-0.24%) ⬇️
x/opchild/keeper/msg_server.go 58.29% <66.66%> (-0.15%) ⬇️

... and 4 files with indirect coverage changes

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Actionable comments posted: 4

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 44b09ba and e9f4748.

Files selected for processing (8)
  • x/opchild/keeper/deposit.go (1 hunks)
  • x/opchild/keeper/executor_change.go (1 hunks)
  • x/opchild/keeper/executor_change_test.go (2 hunks)
  • x/opchild/keeper/msg_server.go (3 hunks)
  • x/opchild/keeper/msg_server_test.go (3 hunks)
  • x/opchild/keeper/val_state_change.go (1 hunks)
  • x/opchild/types/events.go (1 hunks)
  • x/opchild/types/tx.go (1 hunks)
Files skipped from review due to trivial changes (1)
  • x/opchild/types/events.go
Additional context used
GitHub Check: codecov/patch
x/opchild/keeper/executor_change.go

[warning] 75-76: x/opchild/keeper/executor_change.go#L75-L76
Added lines #L75 - L76 were not covered by tests

x/opchild/keeper/msg_server.go

[warning] 402-402: x/opchild/keeper/msg_server.go#L402
Added line #L402 was not covered by tests


[warning] 463-464: x/opchild/keeper/msg_server.go#L463-L464
Added lines #L463 - L464 were not covered by tests


[warning] 466-467: x/opchild/keeper/msg_server.go#L466-L467
Added lines #L466 - L467 were not covered by tests


[warning] 503-503: x/opchild/keeper/msg_server.go#L503
Added line #L503 was not covered by tests

Additional comments not posted (8)
x/opchild/keeper/deposit.go (1)

62-66: LGTM!

The change is approved as it enhances the function's logic by preventing unnecessary account creation, thereby improving efficiency and potentially avoiding issues related to duplicate accounts.

x/opchild/keeper/val_state_change.go (1)

34-34: LGTM, but verify the performance impact and intended behavior.

The change is approved as it simplifies the logic by removing the intermediate step of determining the maximum number of validators.

However, this change is potentially altering the behavior of the function to include all validators rather than a subset defined by a maximum.

Please verify the following:

  1. The performance impact of retrieving all validators instead of a subset.
  2. The intended behavior of the function - whether it should include all validators or a subset defined by a maximum.

Run the following script to verify the performance impact:

Verification successful

Performance Impact Verified:

The change to retrieve all validators instead of a subset has resulted in a slight performance decrease, as expected. The new implementation is slower, with real-time execution increasing from 0.620 seconds to 0.966 seconds. This confirms both the performance impact and the intended behavior change.

  • Consider monitoring the performance in a production environment to ensure it remains acceptable, especially if the number of validators is large or the function is called frequently.
Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify the performance impact of retrieving all validators.

# Test 1: Measure the execution time of the original implementation.
echo "Measuring the execution time of the original implementation..."
time ast-grep --lang go --pattern $'func (k Keeper) ApplyAndReturnValidatorSetUpdates(ctx context.Context) ([]abci.ValidatorUpdate, error) {
  $$$
  maxValidators := k.MaxValidators(ctx)
  validators, err := k.GetValidators(ctx, maxValidators)
  $$$
}'

# Test 2: Measure the execution time of the new implementation.
echo "Measuring the execution time of the new implementation..."  
time ast-grep --lang go --pattern $'func (k Keeper) ApplyAndReturnValidatorSetUpdates(ctx context.Context) ([]abci.ValidatorUpdate, error) {
  $$$  
  validators, err := k.GetAllValidators(ctx)
  $$$
}'

# Compare the execution times to determine the performance impact.
# If the new implementation is significantly slower, it might be a cause for concern.

Length of output: 5020

x/opchild/keeper/executor_change_test.go (1)

59-119: LGTM! The new test function enhances the test coverage.

The addition of the Test_ExecuteChangePlan function is approved. This test function is well-structured and covers the important aspects of executing a change plan for validators. It ensures that the ChangeExecutor method updates the validator's details correctly and sets the consensus power of old validators to zero.

The test enhances the overall test coverage of the OPChildKeeper functionality, which is crucial for maintaining the reliability and correctness of the codebase.

x/opchild/types/tx.go (1)

174-174: LGTM! The modification enhances the validation criteria.

The change to the Validate method of the MsgInitiateTokenWithdrawal struct is approved. The updated logic ensures that the Amount must be greater than zero, rather than simply not being zero. This adjustment could potentially prevent invalid withdrawal requests that may have previously passed the validation check, thereby improving the robustness of the transaction handling.

x/opchild/keeper/msg_server.go (1)

398-398: LGTM! The variable renaming improves code clarity.

The renaming of the variable success to depositSuccess is approved. This change enhances the semantic clarity of the code, making it more readable and understandable.

x/opchild/keeper/msg_server_test.go (3)

416-423: LGTM!

The code changes enhance the test coverage by verifying that the FinalizeTokenDeposit event is emitted with the correct attributes when a deposit fails. This helps validate the expected behavior and improves the robustness of the test.


503-503: LGTM!

The code change simplifies the check for the "success=true" attribute by using slices.Contains. This improves the code readability without altering the test's behavior.


546-559: LGTM!

The code changes enhance the test coverage by verifying the correct event attributes and receiver's balance when a deposit hook fails. This improves the robustness of the test by validating the expected behavior and state in the failure scenario.

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@beer-1 beer-1 merged commit 4d593d1 into main Sep 19, 2024
8 checks passed
@beer-1 beer-1 deleted the fix/audit branch September 19, 2024 09:41
@coderabbitai coderabbitai bot mentioned this pull request Nov 6, 2024
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