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// SPDX-License-Identifier: BUSL-1.1

pragma solidity 0.8.25;

import "../interfaces/utils/IOracle.sol";

contract Oracle is IOracle {
    /// @inheritdoc IOracle
    bytes32 public constant SET_VALUE_ROLE = keccak256("ORACLE:SET_VALUE_ROLE");
    /// @inheritdoc IOracle
    bytes32 public constant SET_MAX_AGE_ROLE = keccak256("ORACLE:SET_MAX_AGE_ROLE");

    /// @inheritdoc IOracle
    address public immutable core;
    /// @inheritdoc IOracle
    uint256 public value;
    /// @inheritdoc IOracle
    uint256 public lastUpdated;
    /// @inheritdoc IOracle
    uint256 public maxAge;

    constructor(address core_, uint256 initialValue_, uint256 initialMaxAge_) {
        core = core_;
        value = initialValue_;
        lastUpdated = block.timestamp;
        maxAge = initialMaxAge_;
    }

    modifier onlyRole(bytes32 role) {
        if (!IAccessControl(core).hasRole(role, msg.sender)) {
            revert("Oracle: forbidden");
        }
        _;
    }

    /// @inheritdoc IOracle
    function getValue() public view returns (uint256) {
        if (lastUpdated + maxAge < block.timestamp) {
            revert("Oracle: stale value");
        }
        return value;
    }

    /// @inheritdoc IOracle
    function setMaxAge(uint256 maxAge_) external onlyRole(SET_MAX_AGE_ROLE) {
        maxAge = maxAge_;
        emit MaxAgeSet(maxAge_);
    }

    /// @inheritdoc IOracle
    function setValue(uint256 value_) external onlyRole(SET_VALUE_ROLE) {
        value = value_;
        uint256 timestamp = block.timestamp;
        lastUpdated = timestamp;
        emit ValueSet(value_, timestamp);
    }
}

// SPDX-License-Identifier: BUSL-1.1

pragma solidity 0.8.25;

import "@openzeppelin/contracts/access/IAccessControl.sol";

/**
 * @title IOracle
 * @dev Interface for the Oracle contract, responsible for providing and managing asset price data.
 *
 * The Oracle contract implements role-based access control for setting and modifying asset values,
 * ensuring only authorized addresses can update the price or adjust the maximum data age.
 */
interface IOracle {
    /**
     * @notice Role identifier for setting the asset value.
     */
    function SET_VALUE_ROLE() external view returns (bytes32);

    /**
     * @notice Role identifier for setting the maximum allowable data age.
     */
    function SET_MAX_AGE_ROLE() external view returns (bytes32);

    /**
     * @notice Returns the address of the core contract with administrative control.
     */
    function core() external view returns (address);

    /**
     * @notice Returns the current stored value (asset price or data).
     */
    function value() external view returns (uint256);

    /**
     * @notice Returns the timestamp of the last update to the asset value.
     */
    function lastUpdated() external view returns (uint256);

    /**
     * @notice Returns the maximum allowed age (in seconds) before data is considered stale.
     */
    function maxAge() external view returns (uint256);

    /**
     * @notice Returns the current asset value if the data is valid and not stale.
     * @dev Reverts if the data is older than the `maxAge` threshold.
     */
    function getValue() external view returns (uint256);

    /**
     * @notice Updates the maximum allowable data age for the Oracle contract.
     * @dev Can only be called by an address with the `ORACLE:SET_MAX_AGE_ROLE`.
     * @param maxAge_ The new maximum age in seconds.
     */
    function setMaxAge(uint256 maxAge_) external;

    /**
     * @notice Updates the stored asset value.
     * @dev Can only be called by an address with the `ORACLE:SET_VALUE_ROLE`.
     * @param value_ The new asset value.
     */
    function setValue(uint256 value_) external;

    /**
     * @notice Emitted when the maximum data age is updated.
     * @param maxAge The new maximum age value in seconds.
     */
    event MaxAgeSet(uint256 indexed maxAge);

    /**
     * @notice Emitted when the asset value is updated.
     * @param value The new asset value.
     * @param timestamp The timestamp when the value was updated.
     */
    event ValueSet(uint256 indexed value, uint256 indexed timestamp);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (access/IAccessControl.sol)

pragma solidity ^0.8.20;

/**
 * @dev External interface of AccessControl declared to support ERC-165 detection.
 */
interface IAccessControl {
    /**
     * @dev The `account` is missing a role.
     */
    error AccessControlUnauthorizedAccount(address account, bytes32 neededRole);

    /**
     * @dev The caller of a function is not the expected one.
     *
     * NOTE: Don't confuse with {AccessControlUnauthorizedAccount}.
     */
    error AccessControlBadConfirmation();

    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call. This account bears the admin role (for the granted role).
     * Expected in cases where the role was granted using the internal {AccessControl-_grantRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `callerConfirmation`.
     */
    function renounceRole(bytes32 role, address callerConfirmation) external;
}

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  "optimizer": {
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  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
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  "evmVersion": "shanghai",
  "viaIR": false,
  "libraries": {}
}

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00000000000000000000000024dd1eabead7b3cb07b7d162439ec0a4eec703df0000000000000000000000000000000000000000000000000de0b6b3a76400000000000000000000000000000000000000000000000000000000000000127500

-----Decoded View---------------
Arg [0] : core_ (address): 0x24dD1eaBEad7b3cB07b7d162439ec0A4EEC703DF
Arg [1] : initialValue_ (uint256): 1000000000000000000
Arg [2] : initialMaxAge_ (uint256): 1209600

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 00000000000000000000000024dd1eabead7b3cb07b7d162439ec0a4eec703df
Arg [1] : 0000000000000000000000000000000000000000000000000de0b6b3a7640000
Arg [2] : 0000000000000000000000000000000000000000000000000000000000127500