mediumLogic errorEVM-Solidity
LoopFi: `PositionAction.decreaseLever()` fails to consider the loan fee in Flashlender when calculating `loanAmount`, as a result, the functionality will not work when `protocolFee != 0`
- Payout
- $0
- Protocol
- LoopFi
- Disclosed
- Feb 17, 2025
- Source
- code4rena
LoopFi's leverage-decrease flow mis-sizes the flash-loan principal because it uses the fee-inclusive swap output as the borrow principal instead of subtracting the flash lender's protocol fee. The same error repeats in the onCreditFlashLoan callback, which red …
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References
- https://github.com/code-423n4/2024-07-loopfi-findings/issues/191
- https://github.com/code-423n4/2024-07-loopfi-findings
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