Staking: Attacker can stake very few tokens for others to increase the lock time of others' tokens.

Lines of code Vulnerability details Impact In the stake function of the Staking contract, anyone can stake tokens for others. And each time a token is staked, the lock time of all tokens is increased. This allows an attacker to stake few tokens for others to increase the lock time of others'...

ERC20 return values not checked (2)

Handle cmichel Vulnerability details The ERC20.transfer, ERC20.transferFrom, ERC20.approve functions return a boolean value indicating success. This parameter needs to be checked for success. Also, some tokens like USDT don't correctly implement the EIP20 standard and their transfer/transferFrom...