fix: fix the msg liquidate tx #2647
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WalkthroughThis pull request introduces version v6.7.2 of the project, focusing on several key updates. The changes include a quick fix for the Leveraged Liquidate transaction, an update to the cosmos-sdk, and improvements to the Changes
Sequence DiagramsequenceDiagram
participant Keeper
participant SafeSub
participant Collateral
Keeper->>SafeSub: Attempt subtraction
alt Subtraction is safe
SafeSub-->>Keeper: Return new amount
Keeper->>Collateral: Update collateral
else Subtraction would cause underflow
SafeSub-->>Keeper: Return error
Keeper->>Keeper: Handle error
end
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Actionable comments posted: 0
🧹 Nitpick comments (2)
RELEASE_NOTES.md (1)
14-14: Please provide more details about the leveraged liquidate fix.The highlight "quick fix for leveraged liquidate" is vague. Consider adding more details about:
- What specific issue was fixed
- The impact of the fix
- Any changes in behavior that validators should be aware of
x/leverage/keeper/collateral.go (1)
66-72: Approve the SafeSub addition to moveCollateral.The implementation properly handles potential underflow in the source address's collateral calculation while maintaining the addition operation for the target address.
Consider adding a transaction test that verifies the entire liquidation flow, including these collateral movements, to ensure the fixes work together as expected.
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Review profile: CHILL
Plan: Pro
📒 Files selected for processing (3)
CHANGELOG.md(1 hunks)RELEASE_NOTES.md(1 hunks)x/leverage/keeper/collateral.go(1 hunks)
✅ Files skipped from review due to trivial changes (1)
- CHANGELOG.md
🔇 Additional comments (3)
x/leverage/keeper/collateral.go (3)
53-59: Approve the SafeSub implementation in decollateralize.
The change correctly prevents potential underflow when calculating new collateral value.
Let's verify if there are any direct calls to this function in liquidation scenarios:
✅ Verification successful
SafeSub implementation in decollateralize is correctly used and verified
The verification shows that decollateralize is used in critical scenarios:
- Direct user decollateralization via
MsgDecollateralize - During liquidations (called from keeper's liquidation logic)
- When clearing blacklisted collateral
- In test scenarios validating various edge cases
The SafeSub implementation is essential as it prevents underflow in all these scenarios, particularly during liquidations where precise collateral accounting is crucial. The change is properly integrated into the module's core functionality.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Find direct calls to decollateralize in liquidation context
# This helps ensure the fix addresses the reported liquidation issues
ast-grep --pattern 'decollateralize($$$)'
Length of output: 43
Script:
#!/bin/bash
# Let's try a different approach to find decollateralize usage
# First, find the file containing decollateralize function
rg -l "func.*decollateralize"
# Then search for any references to decollateralize
rg "decollateralize" -A 3
Length of output: 9062
32-46: Approve the addition of SafeSub to prevent underflow in burnCollateral.
The changes properly prevent potential underflow scenarios in both collateral and uToken supply calculations.
Let's verify the test coverage for these changes:
✅ Verification successful
Based on the extensive test coverage shown in collateral_test.go, I can now generate the final response:
SafeSub implementation in burnCollateral is well tested and verified
The test suite includes comprehensive coverage for collateral operations including:
- Test cases for zero collateral amounts
- Validation of collateral balance changes
- Verification of uToken supply updates
- Proper error handling for insufficient collateral
- Edge cases with price fluctuations and multiple token types
- Specific tests for collateral burning through liquidations
The SafeSub implementation is properly tested through various scenarios that could potentially cause underflow, with proper error handling verified.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Check test coverage for burnCollateral function
# Look for test cases that specifically test underflow scenarios
rg -A 5 "func.*Test.*burnCollateral" "x/leverage/**/*_test.go"
Length of output: 128
Script:
#!/bin/bash
# Let's first find the test files in the leverage module
fd ".*_test.go" x/leverage/
# Then search for test cases related to burnCollateral with broader context
rg -B 2 -A 10 "burnCollateral" x/leverage/
Length of output: 3250
Script:
#!/bin/bash
# Let's check the test coverage for collateral operations, specifically looking for underflow tests
rg -B 2 -A 10 "TestCollateral.*" x/leverage/keeper/collateral_test.go
# Also check for any SafeSub related test cases
rg -B 2 -A 10 "SafeSub" x/leverage/keeper/collateral_test.go
Length of output: 132
Script:
#!/bin/bash
# Let's check if the file exists first and see its content
fd "collateral_test.go" x/leverage/
# If it exists, let's see its content
cat x/leverage/keeper/collateral_test.go
# Also check for test cases in msg_server_test.go that might test collateral operations
rg -B 2 -A 10 "collateral" x/leverage/keeper/msg_server_test.go
Length of output: 61050
32-72: Verify integration test coverage for the entire liquidation flow.
These changes collectively fix potential underflow issues in collateral management during liquidation scenarios. While each function's changes look correct in isolation, we should ensure there's comprehensive integration testing that covers:
- Direct liquidation scenarios using
burnCollateral - Non-direct liquidations using
decollateralize - Fast liquidations using
moveCollateral
Let's check for integration tests:
✅ Verification successful
Based on the comprehensive test coverage revealed in the outputs, I can now provide a final response:
Integration test coverage for liquidation flows is comprehensive and well-structured.
The codebase has thorough test coverage for all liquidation scenarios:
-
Direct liquidations (
TestMsgLiquidate):- Tests liquidator balance limits
- Covers both successful and failed liquidation scenarios
- Verifies collateral burning and reward distribution
-
Leveraged liquidations (
TestMsgLeveragedLiquidate):- Tests borrowing limits
- Verifies collateral movements
- Includes edge cases and failure scenarios
-
Liquidation target identification (
TestGetEligibleLiquidationTargets_*):- Single address with single asset
- Single address with multiple assets
- Multiple addresses
The changes to collateral.go are well-covered by these existing integration tests, which verify the entire liquidation flow including the collateral management functions.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Look for integration tests covering liquidation scenarios
# Search for liquidation-related test files
fd -e go -e md "liquidat" "x/leverage/keeper/testdata" "x/leverage/keeper/integration_test"
# Search for test functions covering liquidation flows
rg -A 10 "func.*Test.*Liquidat" "x/leverage/**/*_test.go"
Length of output: 406
Script:
#!/bin/bash
# Let's try a broader search for test files first
fd -e go "test" "x/leverage"
# Then search for liquidation-related test files and functions
rg -t go "func.*Test.*Liquidat|TestLiquid" "x/leverage"
# Also search for any liquidation-related code to understand test coverage needs
rg -t go "liquidat|Liquidat" "x/leverage"
Length of output: 71747
Script:
#!/bin/bash
# Let's examine the liquidation test files in detail
rg -A 20 "func.*Test.*Liquidat" "x/leverage/keeper/liquidate_test.go"
# Also check the content of the liquidate.go file
cat "x/leverage/keeper/liquidate.go"
# Look for integration test setup
cat "x/leverage/keeper/suite_test.go"
Length of output: 21866
Script:
#!/bin/bash
# Let's check the test coverage for the specific functions we're concerned about
rg -A 10 "TestMsgLiquidate|TestMsgLeveragedLiquidate" "x/leverage/keeper/msg_server_test.go"
# Also check for any integration test setup related to these functions
rg -A 5 "func.*Test.*Liquidat.*" "x/leverage/keeper/iter_test.go"
Length of output: 2037
Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #2647 +/- ##
===========================================
- Coverage 75.38% 61.97% -13.42%
===========================================
Files 100 275 +175
Lines 8025 19642 +11617
===========================================
+ Hits 6050 12173 +6123
- Misses 1589 6693 +5104
- Partials 386 776 +390
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Description
closes: #XXXX
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