Submission Details
Severity:
Using `SafeTransfer` and `SafeTransferFrom`
Summary
This is the Transfer and TransferFrom problem when using IERC20(). And some ERC20 token such USDT does not return the true/false.So please use SafeTransfer and SafeTransferFrom
Vulnerability Details
https://github.com/Cyfrin/2023-07-foundry-defi-stablecoin/blob/main/src/DSCEngine.sol#L157
https://github.com/Cyfrin/2023-07-foundry-defi-stablecoin/blob/main/src/DSCEngine.sol#L287
Impact
And some ERC20 token such USDT does not return the true/false.
Tools Used
vs code
Recommendations
Using SafeTransfer and SafeTransferFrom
Prize pool breakdown
Total prize
15,000 USDC
nSLOC
23664 USDC / LOC
14,000 USDC
1,000 USDC
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