Submission Details
Severity:
Unchecked Transfer Return Values
Summary
Several instances in the code do not check return values of ERC20 transfer and transferFrom calls. Both the Lender and Staking contracts are concerned.
Vulnerability Detail
Ignoring the return values from these methods can lead to unnoticed failed transfers. Failed transfers could lead to funds being stuck or not properly accounted for.
Impact
Potential loss of funds or belief that a transaction succeeded when it hasn't.
Tools Used
Slither
Recommendation
Implement SafeERC20 or ensure that the transfer/transferFrom return values are checked.
Prize pool breakdown
Total prize
20,000 USDC
nSLOC
70628 USDC / LOC
18,000 USDC
2,000 USDC
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