{
    "Function": "getSwapOut",
    "File": "src/LBRouter.sol",
    "Parent Contracts": [
        "src/interfaces/ILBRouter.sol"
    ],
    "High-Level Calls": [
        "SwapHelper",
        "ILBPair",
        "ILBPair",
        "ILBPair",
        "FeeHelper",
        "ILBPair"
    ],
    "Internal Calls": [
        "revert LBRouter__TooMuchTokensIn(uint256)",
        "revert LBRouter__BinReserveOverflows(uint256)"
    ],
    "Library Calls": [
        "updateVariableFeeParameters",
        "getAmounts"
    ],
    "Low-Level Calls": [],
    "Code": "function getSwapOut(\n        ILBPair _LBPair,\n        uint256 _amountIn,\n        bool _swapForY\n    ) external view override returns (uint256 amountOut, uint256 feesIn) {\n        (, , uint256 _activeId) = _LBPair.getReservesAndId();\n\n        FeeHelper.FeeParameters memory _fp = _LBPair.feeParameters();\n        _fp.updateVariableFeeParameters(_activeId);\n        ILBPair.Bin memory _bin;\n\n        // Performs the actual swap, bin per bin\n        // It uses the findFirstNonEmptyBinId function to make sure the bin we're currently looking at\n        // has liquidity in it.\n        while (true) {\n            {\n                (uint256 _reserveX, uint256 _reserveY) = _LBPair.getBin(uint24(_activeId));\n                _bin = ILBPair.Bin(uint112(_reserveX), uint112(_reserveY), 0, 0);\n            }\n            if (_bin.reserveX != 0 || _bin.reserveY != 0) {\n                (uint256 _amountInToBin, uint256 _amountOutOfBin, FeeHelper.FeesDistribution memory _fees) = _bin\n                    .getAmounts(_fp, _activeId, _swapForY, _amountIn);\n\n                if (_amountInToBin > type(uint112).max) revert LBRouter__BinReserveOverflows(_activeId);\n\n                _amountIn -= _amountInToBin + _fees.total;\n                feesIn += _fees.total;\n                amountOut += _amountOutOfBin;\n            }\n\n            if (_amountIn != 0) {\n                _activeId = _LBPair.findFirstNonEmptyBinId(uint24(_activeId), _swapForY);\n            } else {\n                break;\n            }\n        }\n        if (_amountIn != 0) revert LBRouter__TooMuchTokensIn(_amountIn);\n    }"
}