{
    "Function": "slitherConstructorConstantVariables",
    "File": "src/kuma-protocol/MCAGRateFeed.sol",
    "Parent Contracts": [
        "lib/openzeppelin-contracts/contracts/proxy/utils/Initializable.sol",
        "lib/openzeppelin-contracts/contracts/proxy/utils/UUPSUpgradeable.sol",
        "lib/openzeppelin-contracts/contracts/proxy/ERC1967/ERC1967Upgrade.sol",
        "lib/openzeppelin-contracts/contracts/interfaces/draft-IERC1822.sol",
        "src/kuma-protocol/interfaces/IMCAGRateFeed.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "contract MCAGRateFeed is IMCAGRateFeed, UUPSUpgradeable, Initializable {\n    uint256 private constant _MIN_RATE_COUPON = WadRayMath.RAY;\n    uint8 private constant _DECIMALS = 27;\n\n    IAccessControl private _accessController;\n\n    mapping(bytes32 => MCAGAggregatorInterface) private _oracles;\n\n    modifier onlyManager() {\n        if (!_accessController.hasRole(Roles.KUMA_MANAGER_ROLE, msg.sender)) {\n            revert Errors.ACCESS_CONTROL_ACCOUNT_IS_MISSING_ROLE(msg.sender, Roles.KUMA_MANAGER_ROLE);\n        }\n        _;\n    }\n\n    constructor() initializer {}\n\n    /**\n     * @param accessController KUMA DAO AccessController.\n     */\n    function initialize(IAccessControl accessController) external override initializer {\n        if (address(accessController) == address(0)) {\n            revert Errors.CANNOT_SET_TO_ADDRESS_ZERO();\n        }\n        _accessController = accessController;\n\n        emit AccessControllerSet(address(accessController));\n    }\n\n    /**\n     * @notice Set an MCAGAggregator for a specific risk category.\n     * @dev There is no need for staleness check as central bank rate is rarely updated.\n     * @param currency Currency of the bond - example : USD\n     * @param country Treasury issuer - example : US\n     * @param term Lifetime of the bond ie maturity in seconds - issuance date - example : 10  * years\n     */\n    function setOracle(bytes4 currency, bytes4 country, uint64 term, MCAGAggregatorInterface oracle)\n        external\n        override\n        onlyManager\n    {\n        if (currency == bytes4(0) || country == bytes4(0) || term == 0) {\n            revert Errors.WRONG_RISK_CATEGORY();\n        }\n        if (address(oracle) == address(0)) {\n            revert Errors.CANNOT_SET_TO_ADDRESS_ZERO();\n        }\n\n        bytes32 riskCategory = keccak256(abi.encode(currency, country, term));\n        _oracles[riskCategory] = oracle;\n\n        emit OracleSet(address(oracle), currency, country, term);\n    }\n\n    function getAccessController() external view override returns (IAccessControl) {\n        return _accessController;\n    }\n\n    /**\n     * @param riskCategory Unique risk category identifier computed with keccack256(abi.encode(currency, country, term))\n     * @return rate Oracle rate in 27 decimals.\n     */\n    function getRate(bytes32 riskCategory) external view override returns (uint256) {\n        MCAGAggregatorInterface oracle = _oracles[riskCategory];\n        (, int256 answer,,,) = oracle.latestRoundData();\n\n        if (answer < 0) {\n            return _MIN_RATE_COUPON;\n        }\n\n        uint256 rate = uint256(answer);\n        uint8 oracleDecimal = oracle.decimals();\n\n        if (_DECIMALS < oracleDecimal) {\n            rate = uint256(answer) / (10 ** (oracleDecimal - _DECIMALS));\n        } else if (_DECIMALS > oracleDecimal) {\n            rate = uint256(answer) * 10 ** (_DECIMALS - oracleDecimal);\n        }\n\n        if (rate < _MIN_RATE_COUPON) {\n            return _MIN_RATE_COUPON;\n        }\n\n        return rate;\n    }\n\n    /**\n     * @param riskCategory Unique risk category identifier computed with keccack256(abi.encode(currency, country, term))\n     * @return MCAGAggregator for a specific risk category.\n     */\n    function getOracle(bytes32 riskCategory) external view override returns (MCAGAggregatorInterface) {\n        return _oracles[riskCategory];\n    }\n\n    /**\n     * @return Minimum acceptable rate.\n     */\n    function minRateCoupon() external pure override returns (uint256) {\n        return _MIN_RATE_COUPON;\n    }\n\n    /**\n     * @return Number of decimals used to get its user representation.\n     */\n    function decimals() external pure override returns (uint8) {\n        return _DECIMALS;\n    }\n\n    function _authorizeUpgrade(address newImplementation) internal override onlyManager {}\n}"
}