{
    "Function": "liquidate",
    "File": "contracts/collateral/OverlayV1OVLCollateral.sol",
    "Parent Contracts": [
        "node_modules/@openzeppelin/contracts/token/ERC1155/extensions/ERC1155Supply.sol",
        "node_modules/@openzeppelin/contracts/token/ERC1155/ERC1155.sol",
        "node_modules/@openzeppelin/contracts/interfaces/draft-IERC6093.sol",
        "node_modules/@openzeppelin/contracts/token/ERC1155/extensions/IERC1155MetadataURI.sol",
        "node_modules/@openzeppelin/contracts/token/ERC1155/IERC1155.sol",
        "node_modules/@openzeppelin/contracts/utils/introspection/ERC165.sol",
        "node_modules/@openzeppelin/contracts/utils/introspection/IERC165.sol",
        "node_modules/@openzeppelin/contracts/utils/Context.sol"
    ],
    "High-Level Calls": [
        "FixedPoint",
        "Position",
        "IOverlayV1Market",
        "IOverlayV1Market",
        "IOverlayTokenNew",
        "Position"
    ],
    "Internal Calls": [
        "require(bool,string)",
        "require(bool,string)"
    ],
    "Library Calls": [
        "isLiquidatable",
        "oi",
        "mulUp"
    ],
    "Low-Level Calls": [],
    "Code": "function liquidate (\n        uint256 _positionId,\n        address _rewardsTo\n    ) external {\n\n        Position.Info storage pos = positions[_positionId];\n\n        require(0 < pos.oiShares, \"OVLV1:liquidated\");\n\n        bool _isLong = pos.isLong;\n\n        (   uint _oi,\n            uint _oiShares,\n            uint _priceFrame ) = IOverlayV1Market(pos.market)\n                .exitData(\n                    _isLong,\n                    pos.pricePoint\n                );\n\n        MarketInfo memory _marketInfo = marketInfo[pos.market];\n\n        require(pos.isLiquidatable(\n            _oi,\n            _oiShares,\n            _priceFrame,\n            _marketInfo.marginMaintenance\n        ), \"OVLV1:!liquidatable\");\n\n        uint _value = pos.value(_oi, _oiShares, _priceFrame);\n\n        IOverlayV1Market(pos.market).exitOI(\n            _isLong,\n            pos.oi(_oi, _oiShares),\n            pos.oiShares,\n            0,\n            pos.cost - _value\n        );\n\n        // TODO: which is better on gas\n        pos.oiShares = 0;\n        pos.debt = 0;\n        // positions[positionId].oiShares = 0;\n\n        uint _toReward = _value.mulUp(_marketInfo.marginRewardRate);\n\n        liquidations += _value - _toReward;\n\n        emit Liquidate(\n            _positionId,\n            _oi,\n            _toReward,\n            _rewardsTo\n        );\n\n        // ovl.burn(address(this), pos.cost - _value);\n        ovl.transferBurn(_rewardsTo, _toReward, pos.cost - _value);\n\n    }"
}