Upgraded Q -> 3 from #306 [1683219251927]

Judge has assessed an item in Issue 306 as 3 risk. The relevant finding follows: L-01 Consider using OpenZeppelin’s SafeCast library to prevent unexpected overflows when casting from uint256 In the function buy and sell of the contract PrivatePool.sol the function first set the variables...

int128 cast underflow in _receiveDripsResult()

Lines of code Vulnerability details Impact In receiveDripsResult, the type cast of uint128 could underflow, and result in wrong receivedAmt. The impacts could be: wrong amount being transferred to users and drain the protocol fund inaccurate transfer amount, some users lose fund and some receive...