https://github.com/code-423n4/2024-07-reserve/blob/3f133997e186465f4904553b0f8e86ecb7bbacbf/contracts/plugins/trading/DutchTrade.sol#L260
DutchTrade.bidWithCallback allows for bidding with a callback hook that allows the bidder to swap the bought tokens for the sold tokens.
After the callback exits, the function checks that enough tokens are provided:
However, if extra tokens are given, the function does not return the extras to the caller. Consider adding a check to return extra tokens if any are provided
