{
    "Function": "_addCollateral",
    "File": "contracts/MarginAccount.sol",
    "Parent Contracts": [
        "contracts/legos/HubbleBase.sol",
        "node_modules/@openzeppelin/contracts/metatx/ERC2771Context.sol",
        "node_modules/@openzeppelin/contracts/security/Pausable.sol",
        "node_modules/@openzeppelin/contracts/utils/Context.sol",
        "contracts/legos/Governable.sol",
        "node_modules/@openzeppelin/contracts/proxy/utils/Initializable.sol",
        "contracts/legos/Governable.sol",
        "contracts/Interfaces.sol"
    ],
    "High-Level Calls": [
        "ERC20Detailed"
    ],
    "Internal Calls": [
        "require(bool,string)",
        "require(bool,string)"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function _addCollateral(address _coin, uint _weight) internal {\n        require(_weight <= PRECISION, \"weight > 1e6\");\n\n        Collateral[] memory _collaterals = supportedCollateral;\n        for (uint i = 0; i < _collaterals.length; i++) {\n            require(address(_collaterals[i].token) != _coin, \"collateral exists\");\n        }\n        supportedCollateral.push(\n            Collateral({\n                token: IERC20(_coin),\n                weight: _weight,\n                decimals: ERC20Detailed(_coin).decimals() // will fail if .decimals() is not defined on the contract\n            })\n        );\n    }"
}