{
    "Function": "addMarginFor",
    "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": [
        "SafeERC20",
        "SafeCast"
    ],
    "Internal Calls": [
        "_msgSender",
        "_blockTimestamp",
        "whenNotPaused",
        "require(bool,string)",
        "_msgSender",
        "_transferInVusd"
    ],
    "Library Calls": [
        "safeTransferFrom",
        "toInt256"
    ],
    "Low-Level Calls": [],
    "Code": "function addMarginFor(uint idx, uint amount, address to) override public whenNotPaused {\n        require(amount > 0, \"Add non-zero margin\");\n        // will revert for idx >= supportedCollateral.length\n        if (idx == VUSD_IDX) {\n            _transferInVusd(_msgSender(), amount);\n        } else {\n            supportedCollateral[idx].token.safeTransferFrom(_msgSender(), address(this), amount);\n        }\n        margin[idx][to] += amount.toInt256();\n        emit MarginAdded(to, idx, amount, _blockTimestamp());\n    }"
}