{
    "Function": "_buyBasePreview",
    "File": "contracts/yieldspace/Pool.sol",
    "Parent Contracts": [
        "contracts/utils/access/Ownable.sol",
        "contracts/utils/token/ERC20Permit.sol",
        "contracts/interfaces/yieldspace/IPool.sol",
        "contracts/interfaces/external/IERC2612.sol",
        "contracts/utils/token/ERC20.sol",
        "contracts/interfaces/external/IERC20Metadata.sol",
        "contracts/interfaces/external/IERC20.sol"
    ],
    "High-Level Calls": [
        "YieldMath"
    ],
    "Internal Calls": [
        "beforeMaturity"
    ],
    "Library Calls": [
        "fyTokenInForBaseOut"
    ],
    "Low-Level Calls": [],
    "Code": "function _buyBasePreview(\n        uint128 tokenOut,\n        uint112 baseBalance,\n        uint112 fyTokenBalance\n    )\n        private view\n        beforeMaturity\n        returns(uint128)\n    {\n        (int128 _k, int128 _g2) = (k2, g2);\n        return YieldMath.fyTokenInForBaseOut(\n            baseBalance,\n            fyTokenBalance,\n            tokenOut,\n            maturity - uint32(block.timestamp),             // This can't be called after maturity\n            _k,\n            _g2\n        );\n    }"
}