Submission Details
Severity:
unstakeETH for stETH doesn't check if the `WithdrawalQueue` is paused
Summary
unstake function from BridgeSteth.sol should check the paused state of the WithdrawalQueue.
Vulnerability Details
A paused WithdrawalQueue will cause transactions to fail, unnecessarily wasting the gas of the users who attempt to unstake their tokens.
Impact
Wasted gas + bad user experience.
Tools Used
Manual review
Recommendations
Create a modifier that reverts the unstake function from BridgeSteth.sol if the WithdrawalQueue is paused.
Prize pool breakdown
Total prize
55,000 USDC
nSLOC
3,36516 USDC / LOC
50,000 USDC
5,000 USDC
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