First Flight #3: Thunder Loan

Summary

Vulnerability Details

Location:

Potential vulnerable to readonly-reentrancy function (if read in other function) ThunderLoanUpgraded.isCurrentlyFlashLoaning(IERC20) (src/upgradedProtocol/ThunderLoanUpgraded.sol#266-268):
State variables read that were written after the external call(s):

• ThunderLoanUpgraded.s_currentlyFlashLoaning (src/upgradedProtocol/ThunderLoanUpgraded.sol#99) was read at s_currentlyFlashLoaning[token] (src/upgradedProtocol/ThunderLoanUpgraded.sol#267)
  This variable was written at (after external call):

• s_currentlyFlashLoaning[token] = true (src/upgradedProtocol/ThunderLoanUpgraded.sol#196)

• s_currentlyFlashLoaning[token] = false (src/upgradedProtocol/ThunderLoanUpgraded.sol#214)

Impact

Tools Used

Audit Wizard (Slither)

Recommendations

Check original reentrancy