Summary

Incorrect erc20 interface for LoveToken and Soulmate

Vulnerability Details

ILoveToken (src/interface/ILoveToken.sol#4-18) has incorrect ERC20 function interface:ILoveToken.approve(address,uint256) (src/interface/ILoveToken.sol#7)

ILoveToken (src/interface/ILoveToken.sol#4-18) has incorrect ERC20 function interface:ILoveToken.transfer(address,uint256) (src/interface/ILoveToken.sol#9)

ILoveToken (src/interface/ILoveToken.sol#4-18) has incorrect ERC20 function interface:ILoveToken.transferFrom(address,address,uint256) (src/interface/ILoveToken.sol#11)

ISoulmate (src/interface/ISoulmate.sol#4-33) has incorrect ERC20 function interface:ISoulmate.transferFrom(address,address,uint256) (src/interface/ISoulmate.sol#17)

Impact

A contract compiled with Solidity > 0.4.22 interacting with these functions will fail to execute them, as the return value is missing.

Tools Used

Slither

Recommendations

Set the appropriate return values and types for the defined ERC20 functions.