{
    "Function": "_withdraw",
    "File": "contracts/mock/MockdYdXSoloMargin.sol",
    "Parent Contracts": [
        "contracts/interfaces/dYdXSoloMargin.sol"
    ],
    "High-Level Calls": [
        "SafeMath",
        "SafeERC20"
    ],
    "Internal Calls": [
        "to128",
        "require(bool,string)",
        "require(bool,string)",
        "require(bool,string)"
    ],
    "Library Calls": [
        "sub",
        "safeTransfer"
    ],
    "Low-Level Calls": [],
    "Code": "function _withdraw(\n        Actions.WithdrawArgs memory args\n    )\n        private\n    {\n        require(\n            msg.sender == args.account.owner,\n            \"Not valid operator\"\n        );\n        require(args.amount.value <= balances[args.account.owner][args.market], \"!balance\");\n        require(!args.amount.sign, \"should receive negative amount\");\n        IERC20(tokens[args.market]).safeTransfer(args.to, args.amount.value);\n\n        uint128 newBalance = to128(SafeMath.sub(balances[args.account.owner][args.market], args.amount.value));\n        balances[args.account.owner][args.market] = newBalance;\n    }"
}