Cryo Explorer Ethereum Mainnet

// Copyright (c) 2025 Merge Layers Inc.
//
// This source code is licensed under the Business Source License 1.1
// (the "License"); you may not use this file except in compliance with the
// License. You may obtain a copy of the License at
//
//     https://github.com/malda-protocol/malda-lending/blob/main/LICENSE-BSL
//
// See the License for the specific language governing permissions and
// limitations under the License.
//
// This file contains code derived from or inspired by Compound V2,
// originally licensed under the BSD 3-Clause License. See LICENSE-COMPOUND-V2
// for original license terms and attributions.

// SPDX-License-Identifier: BSL-1.1
pragma solidity =0.8.28;

/*
 _____ _____ __    ____  _____ 
|     |  _  |  |  |    \|  _  |
| | | |     |  |__|  |  |     |
|_|_|_|__|__|_____|____/|__|__|   
*/

import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";

import {IRoles} from "./interfaces/IRoles.sol";

contract Roles is Ownable, IRoles {
    // ----------- STORAGE ------------

    mapping(address => mapping(bytes32 => bool)) private _roles;

    bytes32 public constant REBALANCER = keccak256("REBALANCER");
    bytes32 public constant PAUSE_MANAGER = keccak256("PAUSE_MANAGER");
    bytes32 public constant REBALANCER_EOA = keccak256("REBALANCER_EOA");
    bytes32 public constant GUARDIAN_PAUSE = keccak256("GUARDIAN_PAUSE");
    bytes32 public constant CHAINS_MANAGER = keccak256("CHAINS_MANAGER");
    bytes32 public constant PROOF_FORWARDER = keccak256("PROOF_FORWARDER");
    bytes32 public constant PROOF_BATCH_FORWARDER = keccak256("PROOF_BATCH_FORWARDER");
    bytes32 public constant SEQUENCER = keccak256("SEQUENCER");
    bytes32 public constant GUARDIAN_BRIDGE = keccak256("GUARDIAN_BRIDGE");
    bytes32 public constant GUARDIAN_ORACLE = keccak256("GUARDIAN_ORACLE");
    bytes32 public constant GUARDIAN_RESERVE = keccak256("GUARDIAN_RESERVE");
    bytes32 public constant GUARDIAN_BORROW_CAP = keccak256("GUARDIAN_BORROW_CAP");
    bytes32 public constant GUARDIAN_SUPPLY_CAP = keccak256("GUARDIAN_SUPPLY_CAP");
    bytes32 public constant GUARDIAN_BLACKLIST = keccak256("GUARDIAN_BLACKLIST");

    /**
     * @notice emitted when role is set
     */
    event Allowed(address indexed _contract, bytes32 indexed _role, bool _allowed);

    constructor(address _owner) Ownable(_owner) {}

    // ----------- VIEW ------------
    function isAllowedFor(address _contract, bytes32 _role) external view override returns (bool) {
        return _roles[_contract][_role];
    }

    // ----------- OWNER ------------
    /**
     * @notice Abiltity to allow a contract for a role or not
     * @param _contract the contract's address.
     * @param _role the bytes32 role.
     * @param _allowed the new status.
     */
    function allowFor(address _contract, bytes32 _role, bool _allowed) external onlyOwner {
        require(_contract != address(0) && _role != bytes32(0), Roles_InputNotValid());
        _roles[_contract][_role] = _allowed;
        emit Allowed(_contract, _role, _allowed);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is set to the address provided by the deployer. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// Copyright (c) 2025 Merge Layers Inc.
//
// This source code is licensed under the Business Source License 1.1
// (the "License"); you may not use this file except in compliance with the
// License. You may obtain a copy of the License at
//
//     https://github.com/malda-protocol/malda-lending/blob/main/LICENSE-BSL
//
// See the License for the specific language governing permissions and
// limitations under the License.
//
// This file contains code derived from or inspired by Compound V2,
// originally licensed under the BSD 3-Clause License. See LICENSE-COMPOUND-V2
// for original license terms and attributions.

// SPDX-License-Identifier: BSL-1.1
pragma solidity =0.8.28;

/*
 _____ _____ __    ____  _____ 
|     |  _  |  |  |    \|  _  |
| | | |     |  |__|  |  |     |
|_|_|_|__|__|_____|____/|__|__|   
*/

interface IRoles {
    error Roles_InputNotValid();

    /**
     * @notice Returns REBALANCER role
     */
    function REBALANCER() external view returns (bytes32);

    /**
     * @notice Returns REBALANCER_EOA role
     */
    function REBALANCER_EOA() external view returns (bytes32);

    /**
     * @notice Returns GUARDIAN_PAUSE role
     */
    function GUARDIAN_PAUSE() external view returns (bytes32);

    /**
     * @notice Returns GUARDIAN_BRIDGE role
     */
    function GUARDIAN_BRIDGE() external view returns (bytes32);

    /**
     * @notice Returns GUARDIAN_BORROW_CAP role
     */
    function GUARDIAN_BORROW_CAP() external view returns (bytes32);

    /**
     * @notice Returns GUARDIAN_SUPPLY_CAP role
     */
    function GUARDIAN_SUPPLY_CAP() external view returns (bytes32);

    /**
     * @notice Returns GUARDIAN_RESERVE role
     */
    function GUARDIAN_RESERVE() external view returns (bytes32);

    /**
     * @notice Returns PROOF_FORWARDER role
     */
    function PROOF_FORWARDER() external view returns (bytes32);

    /**
     * @notice Returns PROOF_BATCH_FORWARDER role
     */
    function PROOF_BATCH_FORWARDER() external view returns (bytes32);

    /**
     * @notice Returns SEQUENCER role
     */
    function SEQUENCER() external view returns (bytes32);

    /**
     * @notice Returns PAUSE_MANAGER role
     */
    function PAUSE_MANAGER() external view returns (bytes32);

    /**
     * @notice Returns CHAINS_MANAGER role
     */
    function CHAINS_MANAGER() external view returns (bytes32);

    /**
     * @notice Returns GUARDIAN_ORACLE role
     */
    function GUARDIAN_ORACLE() external view returns (bytes32);
    
    /**
     * @notice Returns GUARDIAN_BLACKLIST role
     */
    function GUARDIAN_BLACKLIST() external view returns (bytes32);

    /**
     * @notice Returns allowance status for a contract and a role
     * @param _contract the contract address
     * @param _role the bytes32 role
     */
    function isAllowedFor(address _contract, bytes32 _role) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}