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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.2;

import "contracts-starter/contracts/facets/DiamondLoupeFacet.sol";
import "contracts-starter/contracts/facets/DiamondCutFacet.sol";
import "contracts-starter/contracts/Diamond.sol";
import "contracts-starter/contracts/libraries/LibDiamond.sol";
import "@gnus.ai/contracts-upgradeable-diamond/utils/introspection/ERC165StorageUpgradeable.sol";
import "@gnus.ai/contracts-upgradeable-diamond/token/ERC1155/IERC1155Upgradeable.sol";
import "./GeniusOwnershipFacet.sol";

contract GeniusDiamond is Diamond, ERC165StorageUpgradeable {

    using LibDiamond for LibDiamond.DiamondStorage;

    constructor(address _contractOwner, address _diamondCutFacet) initializer payable
        Diamond(_contractOwner, _diamondCutFacet) {
        __ERC165Storage_init();
        // this is so that any contract deployment watchers will be able to check interfaces on deployment
        _registerInterface(type(IERC1155Upgradeable).interfaceId);
        _registerInterface(type(IERC165Upgradeable).interfaceId);
        _registerInterface(type(IDiamondCut).interfaceId);
        _registerInterface(type(IDiamondLoupe).interfaceId);
        InitializableStorage.layout()._initialized = false;
    }

    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return super.supportsInterface(interfaceId) ||
            LibDiamond.diamondStorage().supportedInterfaces[interfaceId];
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;


import { AccessControlEnumerableUpgradeable } from "./AccessControlEnumerableUpgradeable.sol";
import { EnumerableSetUpgradeable } from "../utils/structs/EnumerableSetUpgradeable.sol";

library AccessControlEnumerableStorage {

  struct Layout {

    mapping(bytes32 => EnumerableSetUpgradeable.AddressSet) _roleMembers;
  
  }
  
  bytes32 internal constant STORAGE_SLOT = keccak256('openzepplin.contracts.storage.AccessControlEnumerable');

  function layout() internal pure returns (Layout storage l) {
    bytes32 slot = STORAGE_SLOT;
    assembly {
      l.slot := slot
    }
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (access/AccessControlEnumerable.sol)

pragma solidity ^0.8.0;

import "./IAccessControlEnumerableUpgradeable.sol";
import "./AccessControlUpgradeable.sol";
import "../utils/structs/EnumerableSetUpgradeable.sol";
import { AccessControlEnumerableStorage } from "./AccessControlEnumerableStorage.sol";
import "../proxy/utils/Initializable.sol";

/**
 * @dev Extension of {AccessControl} that allows enumerating the members of each role.
 */
abstract contract AccessControlEnumerableUpgradeable is Initializable, IAccessControlEnumerableUpgradeable, AccessControlUpgradeable {
    using AccessControlEnumerableStorage for AccessControlEnumerableStorage.Layout;
    function __AccessControlEnumerable_init() internal onlyInitializing {
        __Context_init_unchained();
        __ERC165_init_unchained();
        __AccessControl_init_unchained();
        __AccessControlEnumerable_init_unchained();
    }

    function __AccessControlEnumerable_init_unchained() internal onlyInitializing {
    }
    using EnumerableSetUpgradeable for EnumerableSetUpgradeable.AddressSet;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControlEnumerableUpgradeable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
     * value between 0 and {getRoleMemberCount}, non-inclusive.
     *
     * Role bearers are not sorted in any particular way, and their ordering may
     * change at any point.
     *
     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
     * you perform all queries on the same block. See the following
     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
     * for more information.
     */
    function getRoleMember(bytes32 role, uint256 index) public view virtual override returns (address) {
        return AccessControlEnumerableStorage.layout()._roleMembers[role].at(index);
    }

    /**
     * @dev Returns the number of accounts that have `role`. Can be used
     * together with {getRoleMember} to enumerate all bearers of a role.
     */
    function getRoleMemberCount(bytes32 role) public view virtual override returns (uint256) {
        return AccessControlEnumerableStorage.layout()._roleMembers[role].length();
    }

    /**
     * @dev Overload {_grantRole} to track enumerable memberships
     */
    function _grantRole(bytes32 role, address account) internal virtual override {
        super._grantRole(role, account);
        AccessControlEnumerableStorage.layout()._roleMembers[role].add(account);
    }

    /**
     * @dev Overload {_revokeRole} to track enumerable memberships
     */
    function _revokeRole(bytes32 role, address account) internal virtual override {
        super._revokeRole(role, account);
        AccessControlEnumerableStorage.layout()._roleMembers[role].remove(account);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;


import { AccessControlUpgradeable } from "./AccessControlUpgradeable.sol";

library AccessControlStorage {

  struct Layout {

    mapping(bytes32 => AccessControlUpgradeable.RoleData) _roles;
  
  }
  
  bytes32 internal constant STORAGE_SLOT = keccak256('openzepplin.contracts.storage.AccessControl');

  function layout() internal pure returns (Layout storage l) {
    bytes32 slot = STORAGE_SLOT;
    assembly {
      l.slot := slot
    }
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (access/AccessControl.sol)

pragma solidity ^0.8.0;

import "./IAccessControlUpgradeable.sol";
import "../utils/ContextUpgradeable.sol";
import "../utils/StringsUpgradeable.sol";
import "../utils/introspection/ERC165Upgradeable.sol";
import { AccessControlStorage } from "./AccessControlStorage.sol";
import "../proxy/utils/Initializable.sol";

/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms. This is a lightweight version that doesn't allow enumerating role
 * members except through off-chain means by accessing the contract event logs. Some
 * applications may benefit from on-chain enumerability, for those cases see
 * {AccessControlEnumerable}.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it.
 */
abstract contract AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControlUpgradeable, ERC165Upgradeable {
    using AccessControlStorage for AccessControlStorage.Layout;
    function __AccessControl_init() internal onlyInitializing {
        __Context_init_unchained();
        __ERC165_init_unchained();
        __AccessControl_init_unchained();
    }

    function __AccessControl_init_unchained() internal onlyInitializing {
    }
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with a standardized message including the required role.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     *
     * _Available since v4.1._
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role);
        _;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControlUpgradeable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view virtual override returns (bool) {
        return AccessControlStorage.layout()._roles[role].members[account];
    }

    /**
     * @dev Revert with a standard message if `_msgSender()` is missing `role`.
     * Overriding this function changes the behavior of the {onlyRole} modifier.
     *
     * Format of the revert message is described in {_checkRole}.
     *
     * _Available since v4.6._
     */
    function _checkRole(bytes32 role) internal view virtual {
        _checkRole(role, _msgSender());
    }

    /**
     * @dev Revert with a standard message if `account` is missing `role`.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     */
    function _checkRole(bytes32 role, address account) internal view virtual {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        StringsUpgradeable.toHexString(uint160(account), 20),
                        " is missing role ",
                        StringsUpgradeable.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {
        return AccessControlStorage.layout()._roles[role].adminRole;
    }

    /**
     * @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) public virtual override onlyRole(getRoleAdmin(role)) {
        _grantRole(role, account);
    }

    /**
     * @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) public virtual override onlyRole(getRoleAdmin(role)) {
        _revokeRole(role, account);
    }

    /**
     * @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 revoked `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        require(account == _msgSender(), "AccessControl: can only renounce roles for self");

        _revokeRole(role, account);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event. Note that unlike {grantRole}, this function doesn't perform any
     * checks on the calling account.
     *
     * [WARNING]
     * ====
     * This function should only be called from the constructor when setting
     * up the initial roles for the system.
     *
     * Using this function in any other way is effectively circumventing the admin
     * system imposed by {AccessControl}.
     * ====
     *
     * NOTE: This function is deprecated in favor of {_grantRole}.
     */
    function _setupRole(bytes32 role, address account) internal virtual {
        _grantRole(role, account);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        bytes32 previousAdminRole = getRoleAdmin(role);
        AccessControlStorage.layout()._roles[role].adminRole = adminRole;
        emit RoleAdminChanged(role, previousAdminRole, adminRole);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * Internal function without access restriction.
     */
    function _grantRole(bytes32 role, address account) internal virtual {
        if (!hasRole(role, account)) {
            AccessControlStorage.layout()._roles[role].members[account] = true;
            emit RoleGranted(role, account, _msgSender());
        }
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * Internal function without access restriction.
     */
    function _revokeRole(bytes32 role, address account) internal virtual {
        if (hasRole(role, account)) {
            AccessControlStorage.layout()._roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControlEnumerable.sol)

pragma solidity ^0.8.0;

import "./IAccessControlUpgradeable.sol";

/**
 * @dev External interface of AccessControlEnumerable declared to support ERC165 detection.
 */
interface IAccessControlEnumerableUpgradeable is IAccessControlUpgradeable {
    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
     * value between 0 and {getRoleMemberCount}, non-inclusive.
     *
     * Role bearers are not sorted in any particular way, and their ordering may
     * change at any point.
     *
     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
     * you perform all queries on the same block. See the following
     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
     * for more information.
     */
    function getRoleMember(bytes32 role, uint256 index) external view returns (address);

    /**
     * @dev Returns the number of accounts that have `role`. Can be used
     * together with {getRoleMember} to enumerate all bearers of a role.
     */
    function getRoleMemberCount(bytes32 role) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControlUpgradeable {
    /**
     * @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.
     *
     * _Available since v3.1._
     */
    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, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    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 `account`.
     */
    function renounceRole(bytes32 role, address account) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.0;

import "../../utils/AddressUpgradeable.sol";
import { InitializableStorage } from "./InitializableStorage.sol";

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To initialize the implementation contract, you can either invoke the
 * initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() initializer {}
 * ```
 * ====
 */
abstract contract Initializable {

    /**
     * @dev Modifier to protect an initializer function from being invoked twice.
     */
    modifier initializer() {
        // If the contract is initializing we ignore whether _initialized is set in order to support multiple
        // inheritance patterns, but we only do this in the context of a constructor, because in other contexts the
        // contract may have been reentered.
        require(InitializableStorage.layout()._initializing ? _isConstructor() : !InitializableStorage.layout()._initialized, "Initializable: contract is already initialized");

        bool isTopLevelCall = !InitializableStorage.layout()._initializing;
        if (isTopLevelCall) {
            InitializableStorage.layout()._initializing = true;
            InitializableStorage.layout()._initialized = true;
        }

        _;

        if (isTopLevelCall) {
            InitializableStorage.layout()._initializing = false;
        }
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} modifier, directly or indirectly.
     */
    modifier onlyInitializing() {
        require(InitializableStorage.layout()._initializing, "Initializable: contract is not initializing");
        _;
    }

    function _isConstructor() private view returns (bool) {
        return !AddressUpgradeable.isContract(address(this));
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;


import { Initializable } from "./Initializable.sol";

library InitializableStorage {

  struct Layout {
    /*
     * @dev Indicates that the contract has been initialized.
     */
    bool _initialized;

    /*
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool _initializing;
  
  }
  
  bytes32 internal constant STORAGE_SLOT = keccak256('openzepplin.contracts.storage.Initializable');

  function layout() internal pure returns (Layout storage l) {
    bytes32 slot = STORAGE_SLOT;
    assembly {
      l.slot := slot
    }
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165Upgradeable.sol";

/**
 * @dev Required interface of an ERC1155 compliant contract, as defined in the
 * https://eips.ethereum.org/EIPS/eip-1155[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155Upgradeable is IERC165Upgradeable {
    /**
     * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
     */
    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);

    /**
     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
     * transfers.
     */
    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] values
    );

    /**
     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
     * `approved`.
     */
    event ApprovalForAll(address indexed account, address indexed operator, bool approved);

    /**
     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
     *
     * If an {URI} event was emitted for `id`, the standard
     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
     * returned by {IERC1155MetadataURI-uri}.
     */
    event URI(string value, uint256 indexed id);

    /**
     * @dev Returns the amount of tokens of token type `id` owned by `account`.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) external view returns (uint256);

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
        external
        view
        returns (uint256[] memory);

    /**
     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
     *
     * Emits an {ApprovalForAll} event.
     *
     * Requirements:
     *
     * - `operator` cannot be the caller.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address account, address operator) external view returns (bool);

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) external;

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library AddressUpgradeable {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";

/**
 * @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 ContextUpgradeable is Initializable {
    function __Context_init() internal onlyInitializing {
        __Context_init_unchained();
    }

    function __Context_init_unchained() internal onlyInitializing {
    }
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;


import { ERC165StorageUpgradeable } from "./ERC165StorageUpgradeable.sol";

library ERC165StorageStorage {

  struct Layout {
    /*
     * @dev Mapping of interface ids to whether or not it's supported.
     */
    mapping(bytes4 => bool) _supportedInterfaces;
  
  }
  
  bytes32 internal constant STORAGE_SLOT = keccak256('openzepplin.contracts.storage.ERC165Storage');

  function layout() internal pure returns (Layout storage l) {
    bytes32 slot = STORAGE_SLOT;
    assembly {
      l.slot := slot
    }
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165Storage.sol)

pragma solidity ^0.8.0;

import "./ERC165Upgradeable.sol";
import { ERC165StorageStorage } from "./ERC165StorageStorage.sol";
import "../../proxy/utils/Initializable.sol";

/**
 * @dev Storage based implementation of the {IERC165} interface.
 *
 * Contracts may inherit from this and call {_registerInterface} to declare
 * their support of an interface.
 */
abstract contract ERC165StorageUpgradeable is Initializable, ERC165Upgradeable {
    using ERC165StorageStorage for ERC165StorageStorage.Layout;
    function __ERC165Storage_init() internal onlyInitializing {
        __ERC165_init_unchained();
        __ERC165Storage_init_unchained();
    }

    function __ERC165Storage_init_unchained() internal onlyInitializing {
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return super.supportsInterface(interfaceId) || ERC165StorageStorage.layout()._supportedInterfaces[interfaceId];
    }

    /**
     * @dev Registers the contract as an implementer of the interface defined by
     * `interfaceId`. Support of the actual ERC165 interface is automatic and
     * registering its interface id is not required.
     *
     * See {IERC165-supportsInterface}.
     *
     * Requirements:
     *
     * - `interfaceId` cannot be the ERC165 invalid interface (`0xffffffff`).
     */
    function _registerInterface(bytes4 interfaceId) internal virtual {
        require(interfaceId != 0xffffffff, "ERC165: invalid interface id");
        ERC165StorageStorage.layout()._supportedInterfaces[interfaceId] = true;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165Upgradeable is Initializable, IERC165Upgradeable {
    function __ERC165_init() internal onlyInitializing {
        __ERC165_init_unchained();
    }

    function __ERC165_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165Upgradeable).interfaceId;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165Upgradeable {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library StringsUpgradeable {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/structs/EnumerableSet.sol)

pragma solidity ^0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 */
library EnumerableSetUpgradeable {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping(bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            if (lastIndex != toDeleteIndex) {
                bytes32 lastvalue = set._values[lastIndex];

                // Move the last value to the index where the value to delete is
                set._values[toDeleteIndex] = lastvalue;
                // Update the index for the moved value
                set._indexes[lastvalue] = valueIndex; // Replace lastvalue's index to valueIndex
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        return _values(set._inner);
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        assembly {
            result := store
        }

        return result;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/******************************************************************************\
* Author: Nick Mudge <[email protected]> (https://twitter.com/mudgen)
* EIP-2535 Diamonds: https://eips.ethereum.org/EIPS/eip-2535
*
* Implementation of a diamond.
/******************************************************************************/

import { LibDiamond } from "./libraries/LibDiamond.sol";
import { IDiamondCut } from "./interfaces/IDiamondCut.sol";

contract Diamond {    

    constructor(address _contractOwner, address _diamondCutFacet) payable {        
        LibDiamond.setContractOwner(_contractOwner);

        // Add the diamondCut external function from the diamondCutFacet
        IDiamondCut.FacetCut[] memory cut = new IDiamondCut.FacetCut[](1);
        bytes4[] memory functionSelectors = new bytes4[](1);
        functionSelectors[0] = IDiamondCut.diamondCut.selector;
        cut[0] = IDiamondCut.FacetCut({
            facetAddress: _diamondCutFacet, 
            action: IDiamondCut.FacetCutAction.Add, 
            functionSelectors: functionSelectors
        });
        LibDiamond.diamondCut(cut, address(0), "");        
    }

    // Find facet for function that is called and execute the
    // function if a facet is found and return any value.
    fallback() external payable {
        LibDiamond.DiamondStorage storage ds;
        bytes32 position = LibDiamond.DIAMOND_STORAGE_POSITION;
        // get diamond storage
        assembly {
            ds.slot := position
        }
        // get facet from function selector
        address facet = address(bytes20(ds.facets[msg.sig]));
        require(facet != address(0), "Diamond: Function does not exist");
        // Execute external function from facet using delegatecall and return any value.
        assembly {
            // copy function selector and any arguments
            calldatacopy(0, 0, calldatasize())
            // execute function call using the facet
            let result := delegatecall(gas(), facet, 0, calldatasize(), 0, 0)
            // get any return value
            returndatacopy(0, 0, returndatasize())
            // return any return value or error back to the caller
            switch result
                case 0 {
                    revert(0, returndatasize())
                }
                default {
                    return(0, returndatasize())
                }
        }
    }

    receive() external payable {}
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/******************************************************************************\
* Author: Nick Mudge <[email protected]> (https://twitter.com/mudgen)
* EIP-2535 Diamonds: https://eips.ethereum.org/EIPS/eip-2535
/******************************************************************************/

import { IDiamondCut } from "../interfaces/IDiamondCut.sol";
import { LibDiamond } from "../libraries/LibDiamond.sol";

// Remember to add the loupe functions from DiamondLoupeFacet to the diamond.
// The loupe functions are required by the EIP2535 Diamonds standard

contract DiamondCutFacet is IDiamondCut {
    /// @notice Add/replace/remove any number of functions and optionally execute
    ///         a function with delegatecall
    /// @param _diamondCut Contains the facet addresses and function selectors
    /// @param _init The address of the contract or facet to execute _calldata
    /// @param _calldata A function call, including function selector and arguments
    ///                  _calldata is executed with delegatecall on _init
    function diamondCut(
        FacetCut[] calldata _diamondCut,
        address _init,
        bytes calldata _calldata
    ) external override {
        LibDiamond.enforceIsContractOwner();
        LibDiamond.DiamondStorage storage ds = LibDiamond.diamondStorage();
        uint256 originalSelectorCount = ds.selectorCount;
        uint256 selectorCount = originalSelectorCount;
        bytes32 selectorSlot;
        // Check if last selector slot is not full
        // "selectorCount & 7" is a gas efficient modulo by eight "selectorCount % 8" 
        if (selectorCount & 7 > 0) {
            // get last selectorSlot
            // "selectorCount >> 3" is a gas efficient division by 8 "selectorCount / 8"
            selectorSlot = ds.selectorSlots[selectorCount >> 3];
        }
        // loop through diamond cut
        for (uint256 facetIndex; facetIndex < _diamondCut.length; ) {
            (selectorCount, selectorSlot) = LibDiamond.addReplaceRemoveFacetSelectors(
                selectorCount,
                selectorSlot,
                _diamondCut[facetIndex].facetAddress,
                _diamondCut[facetIndex].action,
                _diamondCut[facetIndex].functionSelectors
            );

            unchecked {
                facetIndex++;
            }
        }
        if (selectorCount != originalSelectorCount) {
            ds.selectorCount = uint16(selectorCount);
        }
        // If last selector slot is not full
        // "selectorCount & 7" is a gas efficient modulo by eight "selectorCount % 8" 
        if (selectorCount & 7 > 0) {
            // "selectorCount >> 3" is a gas efficient division by 8 "selectorCount / 8"
            ds.selectorSlots[selectorCount >> 3] = selectorSlot;
        }
        emit DiamondCut(_diamondCut, _init, _calldata);
        LibDiamond.initializeDiamondCut(_init, _calldata);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/******************************************************************************\
* Author: Nick Mudge <[email protected]> (https://twitter.com/mudgen)
* EIP-2535 Diamonds: https://eips.ethereum.org/EIPS/eip-2535
/******************************************************************************/

import { LibDiamond } from  "../libraries/LibDiamond.sol";
import { IDiamondLoupe } from "../interfaces/IDiamondLoupe.sol";
import { IERC165 } from "../interfaces/IERC165.sol";

// The functions in DiamondLoupeFacet MUST be added to a diamond.
// The EIP-2535 Diamond standard requires these functions

contract DiamondLoupeFacet is IDiamondLoupe, IERC165 {
    // Diamond Loupe Functions
    ////////////////////////////////////////////////////////////////////
    /// These functions are expected to be called frequently by tools.
    //
    // struct Facet {
    //     address facetAddress;
    //     bytes4[] functionSelectors;
    // }
    /// @notice Gets all facets and their selectors.
    /// @return facets_ Facet
    function facets() external override view returns (Facet[] memory facets_) {
        LibDiamond.DiamondStorage storage ds = LibDiamond.diamondStorage();
        facets_ = new Facet[](ds.selectorCount);
        uint16[] memory numFacetSelectors = new uint16[](ds.selectorCount);
        uint256 numFacets;
        uint256 selectorIndex;
        // loop through function selectors
        for (uint256 slotIndex; selectorIndex < ds.selectorCount; slotIndex++) {
            bytes32 slot = ds.selectorSlots[slotIndex];
            for (uint256 selectorSlotIndex; selectorSlotIndex < 8; selectorSlotIndex++) {
                selectorIndex++;
                if (selectorIndex > ds.selectorCount) {
                    break;
                }
                // " << 5 is the same as multiplying by 32 ( * 32)
                bytes4 selector = bytes4(slot << (selectorSlotIndex << 5));
                address facetAddress_ = address(bytes20(ds.facets[selector]));
                bool continueLoop;
                for (uint256 facetIndex; facetIndex < numFacets; facetIndex++) {
                    if (facets_[facetIndex].facetAddress == facetAddress_) {
                        facets_[facetIndex].functionSelectors[numFacetSelectors[facetIndex]] = selector;
                        // probably will never have more than 256 functions from one facet contract
                        require(numFacetSelectors[facetIndex] < 255);
                        numFacetSelectors[facetIndex]++;
                        continueLoop = true;
                        break;
                    }
                }
                if (continueLoop) {
                    continue;
                }
                facets_[numFacets].facetAddress = facetAddress_;
                facets_[numFacets].functionSelectors = new bytes4[](ds.selectorCount);
                facets_[numFacets].functionSelectors[0] = selector;
                numFacetSelectors[numFacets] = 1;
                numFacets++;
            }
        }
        for (uint256 facetIndex; facetIndex < numFacets; facetIndex++) {
            uint256 numSelectors = numFacetSelectors[facetIndex];
            bytes4[] memory selectors = facets_[facetIndex].functionSelectors;
            // setting the number of selectors
            assembly {
                mstore(selectors, numSelectors)
            }
        }
        // setting the number of facets
        assembly {
            mstore(facets_, numFacets)
        }
    }

    /// @notice Gets all the function selectors supported by a specific facet.
    /// @param _facet The facet address.
    /// @return _facetFunctionSelectors The selectors associated with a facet address.
    function facetFunctionSelectors(address _facet) external override view returns (bytes4[] memory _facetFunctionSelectors) {
        LibDiamond.DiamondStorage storage ds = LibDiamond.diamondStorage();
        uint256 numSelectors;
        _facetFunctionSelectors = new bytes4[](ds.selectorCount);
        uint256 selectorIndex;
        // loop through function selectors
        for (uint256 slotIndex; selectorIndex < ds.selectorCount; slotIndex++) {
            bytes32 slot = ds.selectorSlots[slotIndex];
            for (uint256 selectorSlotIndex; selectorSlotIndex < 8; selectorSlotIndex++) {
                selectorIndex++;
                if (selectorIndex > ds.selectorCount) {
                    break;
                }
                // " << 5 is the same as multiplying by 32 ( * 32)
                bytes4 selector = bytes4(slot << (selectorSlotIndex << 5));
                address facet = address(bytes20(ds.facets[selector]));
                if (_facet == facet) {
                    _facetFunctionSelectors[numSelectors] = selector;
                    numSelectors++;
                }
            }
        }
        // Set the number of selectors in the array
        assembly {
            mstore(_facetFunctionSelectors, numSelectors)
        }
    }

    /// @notice Get all the facet addresses used by a diamond.
    /// @return facetAddresses_
    function facetAddresses() external override view returns (address[] memory facetAddresses_) {
        LibDiamond.DiamondStorage storage ds = LibDiamond.diamondStorage();
        facetAddresses_ = new address[](ds.selectorCount);
        uint256 numFacets;
        uint256 selectorIndex;
        // loop through function selectors
        for (uint256 slotIndex; selectorIndex < ds.selectorCount; slotIndex++) {
            bytes32 slot = ds.selectorSlots[slotIndex];
            for (uint256 selectorSlotIndex; selectorSlotIndex < 8; selectorSlotIndex++) {
                selectorIndex++;
                if (selectorIndex > ds.selectorCount) {
                    break;
                }
                // " << 5 is the same as multiplying by 32 ( * 32)
                bytes4 selector = bytes4(slot << (selectorSlotIndex << 5));
                address facetAddress_ = address(bytes20(ds.facets[selector]));
                bool continueLoop;
                for (uint256 facetIndex; facetIndex < numFacets; facetIndex++) {
                    if (facetAddress_ == facetAddresses_[facetIndex]) {
                        continueLoop = true;
                        break;
                    }
                }
                if (continueLoop) {                    
                    continue;
                }
                facetAddresses_[numFacets] = facetAddress_;
                numFacets++;
            }
        }
        // Set the number of facet addresses in the array
        assembly {
            mstore(facetAddresses_, numFacets)
        }
    }

    /// @notice Gets the facet that supports the given selector.
    /// @dev If facet is not found return address(0).
    /// @param _functionSelector The function selector.
    /// @return facetAddress_ The facet address.
    function facetAddress(bytes4 _functionSelector) external override view returns (address facetAddress_) {
        LibDiamond.DiamondStorage storage ds = LibDiamond.diamondStorage();
        facetAddress_ = address(bytes20(ds.facets[_functionSelector]));
    }

    // This implements ERC-165.
    function supportsInterface(bytes4 _interfaceId) external override view returns (bool) {
        LibDiamond.DiamondStorage storage ds = LibDiamond.diamondStorage();
        return ds.supportedInterfaces[_interfaceId];
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/******************************************************************************\
* Author: Nick Mudge <[email protected]> (https://twitter.com/mudgen)
* EIP-2535 Diamonds: https://eips.ethereum.org/EIPS/eip-2535
/******************************************************************************/

interface IDiamondCut {
    enum FacetCutAction {Add, Replace, Remove}
    // Add=0, Replace=1, Remove=2

    struct FacetCut {
        address facetAddress;
        FacetCutAction action;
        bytes4[] functionSelectors;
    }

    /// @notice Add/replace/remove any number of functions and optionally execute
    ///         a function with delegatecall
    /// @param _diamondCut Contains the facet addresses and function selectors
    /// @param _init The address of the contract or facet to execute _calldata
    /// @param _calldata A function call, including function selector and arguments
    ///                  _calldata is executed with delegatecall on _init
    function diamondCut(
        FacetCut[] calldata _diamondCut,
        address _init,
        bytes calldata _calldata
    ) external;

    event DiamondCut(FacetCut[] _diamondCut, address _init, bytes _calldata);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/******************************************************************************\
* Author: Nick Mudge <[email protected]> (https://twitter.com/mudgen)
* EIP-2535 Diamonds: https://eips.ethereum.org/EIPS/eip-2535
/******************************************************************************/

// A loupe is a small magnifying glass used to look at diamonds.
// These functions look at diamonds
interface IDiamondLoupe {
    /// These functions are expected to be called frequently
    /// by tools.

    struct Facet {
        address facetAddress;
        bytes4[] functionSelectors;
    }

    /// @notice Gets all facet addresses and their four byte function selectors.
    /// @return facets_ Facet
    function facets() external view returns (Facet[] memory facets_);

    /// @notice Gets all the function selectors supported by a specific facet.
    /// @param _facet The facet address.
    /// @return facetFunctionSelectors_
    function facetFunctionSelectors(address _facet) external view returns (bytes4[] memory facetFunctionSelectors_);

    /// @notice Get all the facet addresses used by a diamond.
    /// @return facetAddresses_
    function facetAddresses() external view returns (address[] memory facetAddresses_);

    /// @notice Gets the facet that supports the given selector.
    /// @dev If facet is not found return address(0).
    /// @param _functionSelector The function selector.
    /// @return facetAddress_ The facet address.
    function facetAddress(bytes4 _functionSelector) external view returns (address facetAddress_);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IERC165 {
    /// @notice Query if a contract implements an interface
    /// @param interfaceId The interface identifier, as specified in ERC-165
    /// @dev Interface identification is specified in ERC-165. This function
    ///  uses less than 30,000 gas.
    /// @return `true` if the contract implements `interfaceID` and
    ///  `interfaceID` is not 0xffffffff, `false` otherwise
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/// @title ERC-173 Contract Ownership Standard
///  Note: the ERC-165 identifier for this interface is 0x7f5828d0
/* is ERC165 */
interface IERC173 {
    /// @dev This emits when ownership of a contract changes.
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /// @notice Get the address of the owner
    /// @return owner_ The address of the owner.
    function owner() external view returns (address owner_);

    /// @notice Set the address of the new owner of the contract
    /// @dev Set _newOwner to address(0) to renounce any ownership.
    /// @param _newOwner The address of the new owner of the contract
    function transferOwnership(address _newOwner) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/******************************************************************************\
* Author: Nick Mudge <[email protected]> (https://twitter.com/mudgen)
* EIP-2535 Diamonds: https://eips.ethereum.org/EIPS/eip-2535
/******************************************************************************/
import { IDiamondCut } from "../interfaces/IDiamondCut.sol";

// Remember to add the loupe functions from DiamondLoupeFacet to the diamond.
// The loupe functions are required by the EIP2535 Diamonds standard

error InitializationFunctionReverted(address _initializationContractAddress, bytes _calldata);

library LibDiamond {
    bytes32 constant DIAMOND_STORAGE_POSITION = keccak256("diamond.standard.diamond.storage");

    struct DiamondStorage {
        // maps function selectors to the facets that execute the functions.
        // and maps the selectors to their position in the selectorSlots array.
        // func selector => address facet, selector position
        mapping(bytes4 => bytes32) facets;
        // array of slots of function selectors.
        // each slot holds 8 function selectors.
        mapping(uint256 => bytes32) selectorSlots;
        // The number of function selectors in selectorSlots
        uint16 selectorCount;
        // Used to query if a contract implements an interface.
        // Used to implement ERC-165.
        mapping(bytes4 => bool) supportedInterfaces;
        // owner of the contract
        address contractOwner;
    }

    function diamondStorage() internal pure returns (DiamondStorage storage ds) {
        bytes32 position = DIAMOND_STORAGE_POSITION;
        assembly {
            ds.slot := position
        }
    }

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

    function setContractOwner(address _newOwner) internal {
        DiamondStorage storage ds = diamondStorage();
        address previousOwner = ds.contractOwner;
        ds.contractOwner = _newOwner;
        emit OwnershipTransferred(previousOwner, _newOwner);
    }

    function contractOwner() internal view returns (address contractOwner_) {
        contractOwner_ = diamondStorage().contractOwner;
    }

    function enforceIsContractOwner() internal view {
        require(msg.sender == diamondStorage().contractOwner, "LibDiamond: Must be contract owner");
    }

    event DiamondCut(IDiamondCut.FacetCut[] _diamondCut, address _init, bytes _calldata);

    bytes32 constant CLEAR_ADDRESS_MASK = bytes32(uint256(0xffffffffffffffffffffffff));
    bytes32 constant CLEAR_SELECTOR_MASK = bytes32(uint256(0xffffffff << 224));

    // Internal function version of diamondCut
    // This code is almost the same as the external diamondCut,
    // except it is using 'Facet[] memory _diamondCut' instead of
    // 'Facet[] calldata _diamondCut'.
    // The code is duplicated to prevent copying calldata to memory which
    // causes an error for a two dimensional array.
    function diamondCut(
        IDiamondCut.FacetCut[] memory _diamondCut,
        address _init,
        bytes memory _calldata
    ) internal {
        DiamondStorage storage ds = diamondStorage();
        uint256 originalSelectorCount = ds.selectorCount;
        uint256 selectorCount = originalSelectorCount;
        bytes32 selectorSlot;
        // Check if last selector slot is not full
        // "selectorCount & 7" is a gas efficient modulo by eight "selectorCount % 8" 
        if (selectorCount & 7 > 0) {
            // get last selectorSlot
            // "selectorSlot >> 3" is a gas efficient division by 8 "selectorSlot / 8"
            selectorSlot = ds.selectorSlots[selectorCount >> 3];
        }
        // loop through diamond cut
        for (uint256 facetIndex; facetIndex < _diamondCut.length; ) {
            (selectorCount, selectorSlot) = addReplaceRemoveFacetSelectors(
                selectorCount,
                selectorSlot,
                _diamondCut[facetIndex].facetAddress,
                _diamondCut[facetIndex].action,
                _diamondCut[facetIndex].functionSelectors
            );

            unchecked {
                facetIndex++;
            }
        }
        if (selectorCount != originalSelectorCount) {
            ds.selectorCount = uint16(selectorCount);
        }
        // If last selector slot is not full
        // "selectorCount & 7" is a gas efficient modulo by eight "selectorCount % 8" 
        if (selectorCount & 7 > 0) {
            // "selectorSlot >> 3" is a gas efficient division by 8 "selectorSlot / 8"
            ds.selectorSlots[selectorCount >> 3] = selectorSlot;
        }
        emit DiamondCut(_diamondCut, _init, _calldata);
        initializeDiamondCut(_init, _calldata);
    }

    function addReplaceRemoveFacetSelectors(
        uint256 _selectorCount,
        bytes32 _selectorSlot,
        address _newFacetAddress,
        IDiamondCut.FacetCutAction _action,
        bytes4[] memory _selectors
    ) internal returns (uint256, bytes32) {
        DiamondStorage storage ds = diamondStorage();
        require(_selectors.length > 0, "LibDiamondCut: No selectors in facet to cut");
        if (_action == IDiamondCut.FacetCutAction.Add) {
            enforceHasContractCode(_newFacetAddress, "LibDiamondCut: Add facet has no code");
            for (uint256 selectorIndex; selectorIndex < _selectors.length; ) {
                bytes4 selector = _selectors[selectorIndex];
                bytes32 oldFacet = ds.facets[selector];
                require(address(bytes20(oldFacet)) == address(0), "LibDiamondCut: Can't add function that already exists");
                // add facet for selector
                ds.facets[selector] = bytes20(_newFacetAddress) | bytes32(_selectorCount);
                // "_selectorCount & 7" is a gas efficient modulo by eight "_selectorCount % 8" 
                // " << 5 is the same as multiplying by 32 ( * 32)
                uint256 selectorInSlotPosition = (_selectorCount & 7) << 5;
                // clear selector position in slot and add selector
                _selectorSlot = (_selectorSlot & ~(CLEAR_SELECTOR_MASK >> selectorInSlotPosition)) | (bytes32(selector) >> selectorInSlotPosition);
                // if slot is full then write it to storage
                if (selectorInSlotPosition == 224) {
                    // "_selectorSlot >> 3" is a gas efficient division by 8 "_selectorSlot / 8"
                    ds.selectorSlots[_selectorCount >> 3] = _selectorSlot;
                    _selectorSlot = 0;
                }
                _selectorCount++;

                unchecked {
                    selectorIndex++;
                }
            }
        } else if (_action == IDiamondCut.FacetCutAction.Replace) {
            enforceHasContractCode(_newFacetAddress, "LibDiamondCut: Replace facet has no code");
            for (uint256 selectorIndex; selectorIndex < _selectors.length; ) {
                bytes4 selector = _selectors[selectorIndex];
                bytes32 oldFacet = ds.facets[selector];
                address oldFacetAddress = address(bytes20(oldFacet));
                // only useful if immutable functions exist
                require(oldFacetAddress != address(this), "LibDiamondCut: Can't replace immutable function");
                require(oldFacetAddress != _newFacetAddress, "LibDiamondCut: Can't replace function with same function");
                require(oldFacetAddress != address(0), "LibDiamondCut: Can't replace function that doesn't exist");
                // replace old facet address
                ds.facets[selector] = (oldFacet & CLEAR_ADDRESS_MASK) | bytes20(_newFacetAddress);

                unchecked {
                    selectorIndex++;
                }
            }
        } else if (_action == IDiamondCut.FacetCutAction.Remove) {
            require(_newFacetAddress == address(0), "LibDiamondCut: Remove facet address must be address(0)");
            // "_selectorCount >> 3" is a gas efficient division by 8 "_selectorCount / 8"
            uint256 selectorSlotCount = _selectorCount >> 3;
            // "_selectorCount & 7" is a gas efficient modulo by eight "_selectorCount % 8" 
            uint256 selectorInSlotIndex = _selectorCount & 7;
            for (uint256 selectorIndex; selectorIndex < _selectors.length; ) {
                if (selectorInSlotIndex == 0) {
                    // get last selectorSlot
                    selectorSlotCount--;
                    _selectorSlot = ds.selectorSlots[selectorSlotCount];
                    selectorInSlotIndex = 7;
                } else {
                    selectorInSlotIndex--;
                }
                bytes4 lastSelector;
                uint256 oldSelectorsSlotCount;
                uint256 oldSelectorInSlotPosition;
                // adding a block here prevents stack too deep error
                {
                    bytes4 selector = _selectors[selectorIndex];
                    bytes32 oldFacet = ds.facets[selector];
                    require(address(bytes20(oldFacet)) != address(0), "LibDiamondCut: Can't remove function that doesn't exist");
                    // only useful if immutable functions exist
                    require(address(bytes20(oldFacet)) != address(this), "LibDiamondCut: Can't remove immutable function");
                    // replace selector with last selector in ds.facets
                    // gets the last selector
                    // " << 5 is the same as multiplying by 32 ( * 32)
                    lastSelector = bytes4(_selectorSlot << (selectorInSlotIndex << 5));
                    if (lastSelector != selector) {
                        // update last selector slot position info
                        ds.facets[lastSelector] = (oldFacet & CLEAR_ADDRESS_MASK) | bytes20(ds.facets[lastSelector]);
                    }
                    delete ds.facets[selector];
                    uint256 oldSelectorCount = uint16(uint256(oldFacet));
                    // "oldSelectorCount >> 3" is a gas efficient division by 8 "oldSelectorCount / 8"
                    oldSelectorsSlotCount = oldSelectorCount >> 3;
                    // "oldSelectorCount & 7" is a gas efficient modulo by eight "oldSelectorCount % 8" 
                    // " << 5 is the same as multiplying by 32 ( * 32)
                    oldSelectorInSlotPosition = (oldSelectorCount & 7) << 5;
                }
                if (oldSelectorsSlotCount != selectorSlotCount) {
                    bytes32 oldSelectorSlot = ds.selectorSlots[oldSelectorsSlotCount];
                    // clears the selector we are deleting and puts the last selector in its place.
                    oldSelectorSlot =
                        (oldSelectorSlot & ~(CLEAR_SELECTOR_MASK >> oldSelectorInSlotPosition)) |
                        (bytes32(lastSelector) >> oldSelectorInSlotPosition);
                    // update storage with the modified slot
                    ds.selectorSlots[oldSelectorsSlotCount] = oldSelectorSlot;
                } else {
                    // clears the selector we are deleting and puts the last selector in its place.
                    _selectorSlot =
                        (_selectorSlot & ~(CLEAR_SELECTOR_MASK >> oldSelectorInSlotPosition)) |
                        (bytes32(lastSelector) >> oldSelectorInSlotPosition);
                }
                if (selectorInSlotIndex == 0) {
                    delete ds.selectorSlots[selectorSlotCount];
                    _selectorSlot = 0;
                }

                unchecked {
                    selectorIndex++;
                }
            }
            _selectorCount = selectorSlotCount * 8 + selectorInSlotIndex;
        } else {
            revert("LibDiamondCut: Incorrect FacetCutAction");
        }
        return (_selectorCount, _selectorSlot);
    }

    function initializeDiamondCut(address _init, bytes memory _calldata) internal {
        if (_init == address(0)) {
            return;
        }
        enforceHasContractCode(_init, "LibDiamondCut: _init address has no code");        
        (bool success, bytes memory error) = _init.delegatecall(_calldata);
        if (!success) {
            if (error.length > 0) {
                // bubble up error
                /// @solidity memory-safe-assembly
                assembly {
                    let returndata_size := mload(error)
                    revert(add(32, error), returndata_size)
                }
            } else {
                revert InitializationFunctionReverted(_init, _calldata);
            }
        }
    }

    function enforceHasContractCode(address _contract, string memory _errorMessage) internal view {
        uint256 contractSize;
        assembly {
            contractSize := extcodesize(_contract)
        }
        require(contractSize > 0, _errorMessage);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.2;

import "@gnus.ai/contracts-upgradeable-diamond/access/AccessControlEnumerableUpgradeable.sol";
import "@gnus.ai/contracts-upgradeable-diamond/proxy/utils/Initializable.sol";
import "contracts-starter/contracts/libraries/LibDiamond.sol";

abstract contract GeniusAccessControl is Initializable, AccessControlEnumerableUpgradeable {

    bytes32 constant public UPGRADER_ROLE = keccak256("UPGRADER_ROLE");

    function __GeniusAccessControl_init() internal onlyInitializing onlySuperAdminRole {
        __AccessControlEnumerable_init_unchained();
        __GeniusAccessControl_init_unchained();
    }

    function __GeniusAccessControl_init_unchained() onlyInitializing internal {
        address superAdmin = _msgSender();
        _grantRole(DEFAULT_ADMIN_ROLE, superAdmin);
        _grantRole(UPGRADER_ROLE, superAdmin);
    }

    function renounceRole(bytes32 role, address account) public override(IAccessControlUpgradeable) {
        require(!(hasRole(DEFAULT_ADMIN_ROLE, account) && (LibDiamond.diamondStorage().contractOwner == account)), "Cannot renounce superAdmin from Admin Role");
        super.renounceRole(role, account);
    }

    function revokeRole(bytes32 role, address account) public override(IAccessControlUpgradeable) {
        require(!(hasRole(DEFAULT_ADMIN_ROLE, account) && (LibDiamond.diamondStorage().contractOwner == account)), "Cannot revoke superAdmin from Admin Role");
        super.revokeRole(role, account);
    }

    modifier onlySuperAdminRole {
        require(LibDiamond.diamondStorage().contractOwner == msg.sender, "Only SuperAdmin allowed");
        _;
    }


}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import { LibDiamond } from "contracts-starter/contracts/libraries/LibDiamond.sol";
import { IERC173 } from "contracts-starter/contracts/interfaces/IERC173.sol";
import "./GeniusAccessControl.sol";
import "./GNUSConstants.sol";

contract GeniusOwnershipFacet is IERC173, GeniusAccessControl {
    function transferOwnership(address _newOwner) external override {
        LibDiamond.enforceIsContractOwner();
        LibDiamond.setContractOwner(_newOwner);
        _grantRole(DEFAULT_ADMIN_ROLE, _newOwner);
        _grantRole(UPGRADER_ROLE, _newOwner);
        if (msg.sender != _newOwner) {
            _revokeRole(DEFAULT_ADMIN_ROLE, msg.sender);
            _revokeRole(UPGRADER_ROLE, msg.sender);
        }
    }

    function owner() external override view returns (address owner_) {
        owner_ = LibDiamond.contractOwner();
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.2;

// Reserve Currency/Token Name
string constant GNUS_NAME = "Genius Tokens";
// Reserve Currency/Token Symbol
string constant GNUS_SYMBOL = "GNUS";
uint256 constant GNUS_DECIMALS = 10 ** 18;
uint256 constant GNUS_MAX_SUPPLY = 50000000 * GNUS_DECIMALS;  // 50 million tokens
string constant GNUS_URI = "https://nft.gnus.ai/{id}";
uint256 constant GNUS_TOKEN_ID = 0;

uint128 constant MAX_UINT128 = uint128(0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);
uint256 constant PARENT_MASK = uint256(MAX_UINT128) << 128; // the token type mask in the upper 128 bits
uint256 constant CHILD_MASK = MAX_UINT128; // the non-fungible index mask in the lower 128
address constant ETHER = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;

{
  "optimizer": {
    "enabled": true,
    "runs": 1000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

[{"inputs":[{"internalType":"address","name":"_contractOwner","type":"address"},{"internalType":"address","name":"_diamondCutFacet","type":"address"}],"stateMutability":"payable","type":"constructor"},{"inputs":[{"internalType":"address","name":"_initializationContractAddress","type":"address"},{"internalType":"bytes","name":"_calldata","type":"bytes"}],"name":"InitializationFunctionReverted","type":"error"},{"stateMutability":"payable","type":"fallback"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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-----Decoded View---------------
Arg [0] : _contractOwner (address): 0x910bAa33DeB0D614Aa9d80e38b7f0BF87549c2fC
Arg [1] : _diamondCutFacet (address): 0x5e5443C23Fa2B5A69F6B1A174A2D9E67AbA2117a

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000910baa33deb0d614aa9d80e38b7f0bf87549c2fc
Arg [1] : 0000000000000000000000005e5443c23fa2b5a69f6b1a174a2d9e67aba2117a