uint256 balanceBeforeTransfer = ERC20(auctionParams.baseToken).balanceOf(address(this));

SafeTransferLib.safeTransferFrom(
    ERC20(auctionParams.baseToken), msg.sender, address(this), auctionParams.totalBaseAmount
);

uint256 balanceAfterTransfer = ERC20(auctionParams.baseToken).balanceOf(address(this));
if (balanceAfterTransfer - balanceBeforeTransfer != auctionParams.totalBaseAmount) {
    revert UnexpectedBalanceChange();
}
SafeTransferLib.safeTransferFrom(ERC20(a.params.quoteToken), msg.sender, address(this), quoteAmount);
