{
    "Function": "removeMargin",
    "File": "contracts/Trading.sol",
    "Parent Contracts": [
        "contracts/interfaces/ITrading.sol",
        "contracts/utils/MetaContext.sol",
        "node_modules/@openzeppelin/contracts/access/Ownable.sol",
        "node_modules/@openzeppelin/contracts/utils/Context.sol"
    ],
    "High-Level Calls": [
        "IPosition",
        "IPosition",
        "TradingLibrary",
        "ITradingExtension",
        "IPairsContract"
    ],
    "Internal Calls": [
        "_checkVault",
        "revert LiqThreshold()",
        "_validateProxy",
        "_handleWithdraw",
        "_checkOwner",
        "revert(string)",
        "revert()"
    ],
    "Library Calls": [
        "pnl"
    ],
    "Low-Level Calls": [],
    "Code": "function removeMargin(\n        uint256 _id,\n        address _stableVault,\n        address _outputToken,\n        uint256 _removeMargin,\n        PriceData calldata _priceData,\n        bytes calldata _signature,\n        address _trader\n    )\n        external\n    {\n        _validateProxy(_trader);\n        _checkOwner(_id, _trader);\n        _checkVault(_stableVault, _outputToken);\n        IPosition.Trade memory _trade = position.trades(_id);\n        if (_trade.orderType != 0) revert(); //IsLimit\n        IPairsContract.Asset memory asset = pairsContract.idToAsset(_trade.asset);\n        uint256 _newMargin = _trade.margin - _removeMargin;\n        uint256 _newLeverage = _trade.margin * _trade.leverage / _newMargin;\n        if (_newLeverage > asset.maxLeverage) revert(\"!lev\");\n        (uint _assetPrice,) = tradingExtension.getVerifiedPrice(_trade.asset, _priceData, _signature, 0);\n        (,int256 _payout) = TradingLibrary.pnl(_trade.direction, _assetPrice, _trade.price, _newMargin, _newLeverage, _trade.accInterest);\n        unchecked {\n            if (_payout <= int256(_newMargin*(DIVISION_CONSTANT-liqPercent)/DIVISION_CONSTANT)) revert LiqThreshold();\n        }\n        position.modifyMargin(_trade.id, _newMargin, _newLeverage);\n        _handleWithdraw(_trade, _stableVault, _outputToken, _removeMargin);\n        emit MarginModified(_trade.id, _newMargin, _newLeverage, false, _trader);\n    }"
}