Submission Details
Severity:
Interface ILoveToken has incorrect ERC20 function interface
Summary
Interface ILoveToken.sol has ERC20 function interface.
Vulnerability Details
The contract LoveToken.sol inherits the ERC20 standard token contract from solmate, which for the functions of approve, transferand transferFrom returns a boolindicating the success of the call, this return value is not present in ILoveToken.sol .
Impact
Interacting with LoveTokenthrough ILoveTokenwill neglect return values.
Tools Used
Slither
Recommendations
Update the ILoveToken to reflect the correct functions.
interface ILoveToken {
function decimals() external returns (uint8);
- function approve(address to, uint256 amount) external;
- function transfer(address to, uint256 amount) external;
- function transferFrom(address from, address to, uint256 amount) external;
+ function approve(address to, uint256 amount) external returns(bool);
+ function transfer(address to, uint256 amount) external returns (bool);
+ function transferFrom(address from, address to, uint256 amount) external returns (bool);
...
Rewards breakdown
nSLOC
233This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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