{
    "Function": "_beforeTokenTransfer",
    "File": "src/LBPair.sol",
    "Parent Contracts": [
        "src/interfaces/ILBPair.sol",
        "src/libraries/ReentrancyGuardUpgradeable.sol",
        "src/LBToken.sol",
        "src/interfaces/ILBToken.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [
        "balanceOf",
        "_cacheFees",
        "_cacheFees",
        "balanceOf",
        "_beforeTokenTransfer"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function _beforeTokenTransfer(\n        address _from,\n        address _to,\n        uint256 _id,\n        uint256 _amount\n    ) internal override(LBToken) {\n        unchecked {\n            super._beforeTokenTransfer(_from, _to, _id, _amount);\n\n            Bin memory _bin = _bins[_id];\n\n            if (_from != _to) {\n                if (_from != address(0) && _from != address(this)) {\n                    uint256 _balanceFrom = balanceOf(_from, _id);\n\n                    _cacheFees(_bin, _from, _id, _balanceFrom, _balanceFrom - _amount);\n                }\n\n                if (_to != address(0) && _to != address(this)) {\n                    uint256 _balanceTo = balanceOf(_to, _id);\n\n                    _cacheFees(_bin, _to, _id, _balanceTo, _balanceTo + _amount);\n                }\n            }\n        }\n    }"
}