// SPDX-License-Identifier: MIT

/*

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*/

pragma solidity ^0.8.18;

/**
 * @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;
    }
}

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 amount) external returns (bool);
}

library SafeERC20 {
    using Address for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

/**
 * @dev String operations.
 */
library Strings {
    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);
    }
}

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @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 Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(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);
            }
        }
    }
}

abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}


/**
 * @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 IERC165 {
    /**
     * @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);
}


/**
 * @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 ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControl {
    /**
     * @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;
}
/**
 * @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 AccessControl is Context, IAccessControl, ERC165 {
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    mapping(bytes32 => RoleData) private _roles;

    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(IAccessControl).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 _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 ",
                        Strings.toHexString(uint160(account), 20),
                        " is missing role ",
                        Strings.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 _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);
        _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)) {
            _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)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }
}



/**
 * @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 IERC1155 is IERC165 {
    /**
     * @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 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;
}

/**
 * @dev _Available since v3.1._
 */
interface IERC1155Receiver is IERC165 {
    /**
     * @dev Handles the receipt of a single ERC1155 token type. This function is
     * called at the end of a `safeTransferFrom` after the balance has been updated.
     *
     * NOTE: To accept the transfer, this must return
     * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
     * (i.e. 0xf23a6e61, or its own function selector).
     *
     * @param operator The address which initiated the transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param id The ID of the token being transferred
     * @param value The amount of tokens being transferred
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
     */
    function onERC1155Received(
        address operator,
        address from,
        uint256 id,
        uint256 value,
        bytes calldata data
    ) external returns (bytes4);

    /**
     * @dev Handles the receipt of a multiple ERC1155 token types. This function
     * is called at the end of a `safeBatchTransferFrom` after the balances have
     * been updated.
     *
     * NOTE: To accept the transfer(s), this must return
     * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
     * (i.e. 0xbc197c81, or its own function selector).
     *
     * @param operator The address which initiated the batch transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param ids An array containing ids of each token being transferred (order and length must match values array)
     * @param values An array containing amounts of each token being transferred (order and length must match ids array)
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
     */
    function onERC1155BatchReceived(
        address operator,
        address from,
        uint256[] calldata ids,
        uint256[] calldata values,
        bytes calldata data
    ) external returns (bytes4);
}

interface IOrb {

function bridgeMint(address to, uint256 amount) external ;

function bridgeBurn(address from, uint256 amount) external ;

}

interface IMagicAssets {

function mintMagicAssets(address account, uint256 id, uint256 amount) external;

function mintMagicAssetsBanch(address account, uint256[] memory ids, uint256[] memory amounts) external;

function burnMagicAssetsBanch(address account, uint256[] memory ids, uint256[] memory amounts) external;
}

interface IElementalPhoenixes {

function mintPhoenix(address account, uint256 id, uint256 amount) external;

function mintPhoenixBanch(address account, uint256[] memory ids, uint256[] memory amounts) external;

function burnPhoenixBanch(address account, uint256[] memory ids, uint256[] memory amounts) external;
}

contract MagicverseBridge is AccessControl,ReentrancyGuard {
    bytes32 public constant BRIDGE_OPERATOR1 = keccak256("BRIDGE_OPERATOR1");
    bytes32 public constant BRIDGE_OPERATOR2 = keccak256("BRIDGE_OPERATOR2");
    bytes32 public constant BRIDGE_OPERATOR3 = keccak256("BRIDGE_OPERATOR3");
    using SafeERC20 for IERC20;
    IERC20 public Orb;
    IOrb public xOrb;
    IMagicAssets public MagicAssets;
    IERC1155 public MAssets;
    IElementalPhoenixes public ElementalPhoenixes;
    IERC1155 public EPhoenixes;
    uint256 public ChainFunds;

    struct TargetedChain {
     uint256 BridgeFee;
     uint256 MultiplierForOrb;
     uint256 MultiplierForNFT;
     uint256 MultiplierForFunds;
    }

    mapping(uint256=>TargetedChain) public TargetedChains;

    struct OrbTransaction {
     bool Executed;
     address payable requester;
     uint256 orbAmount;
     bool includeChainFunds;
    }
    
    mapping(bytes32 => OrbTransaction) public OrbTransactions;

    struct NFTMATransaction {  
    bool Executed;
    uint256 id0;
    uint256 id1;
    uint256 id2;
    uint256 id3;
    uint256 id4;
    uint256 id5;
    address payable requester;
    bool includeChainFunds;
    }
    
    mapping(bytes32 => NFTMATransaction) public NFTMATransactions;
    
    struct NFTEPTransaction {  
    bool Executed;
    uint256 id0;
    uint256 id1;
    address payable requester;
    bool includeChainFunds;
    }

    mapping(bytes32 => NFTEPTransaction) public NFTEPTransactions;

    receive() external payable {}
    
    function onERC1155Received(
        address operator,
        address from,
        uint256 id,
        uint256 value,
        bytes calldata data
    ) external returns (bytes4) {
        return bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"));
    }
   
    function onERC1155BatchReceived(
        address operator,
        address from,
        uint256[] calldata ids,
        uint256[] calldata values,
        bytes calldata data
    ) external returns (bytes4){
        return bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"));
    }

     event TransactionInitialized(
    uint256 indexed fromChain,
    uint Type,
    bytes32 TxHash,
    uint256 timestamp
    );


    event BridgeTokensRequested(
    uint256 targetChainId,
    address indexed to,
    uint256 orbAmount,
    bool FeefundsForChain,
    uint256 timestamp
  );

    event BridgeTokensExecuted(
    uint256 FromChain,
    address indexed to,
    uint256 orbAmount,
    uint256 coinAmount,
    uint256 timestamp
  );
    
    event BridgeMANFTRequested(
    uint256 targetChainId,
    address indexed to,
    uint256 [] ids,
    uint256 [] amounts,
    bool FeefundsForChain,
    uint256 timestamp
    );
    
    event BridgeEPNFTRequested(
    uint256 targetChainId,
    address indexed to,
    uint256 [] ids,
    uint256 [] amounts,
    bool FeefundsForChain,
    uint256 timestamp
    );

    event BridgeMANFTExecuted(
    uint256 FromChain,
    address indexed to,
    uint256 [] NFTid,
    uint256 [] amounts,
    uint256 coinAmount,
    uint256 timestamp
    );
    
    event BridgeEPNFTExecuted(
    uint256 FromChain,
    address indexed to,
    uint256 [] NFTid,
    uint256 [] amounts,
    uint256 coinAmount,
    uint256 timestamp
    );

    constructor (address _Orb,address _MagicAssets,address _ElementalPhoenixes) {
        MagicAssets = IMagicAssets(_MagicAssets);
        MAssets = IERC1155(_MagicAssets);
        ElementalPhoenixes = IElementalPhoenixes(_ElementalPhoenixes);
        EPhoenixes = IERC1155(_ElementalPhoenixes);
        Orb = IERC20(_Orb);
        xOrb = IOrb(_Orb);
        _grantRole(DEFAULT_ADMIN_ROLE, msg.sender);
        _grantRole(BRIDGE_OPERATOR3, msg.sender);
    }
    
     function addSupportedChain(uint256 _chainId,uint256 _BridgeFee,uint _MultiplierForOrb_x100,uint _MultiplierForNFT_x100,uint _MultiplierForFunds_x100) external onlyRole(DEFAULT_ADMIN_ROLE) {

      TargetedChains[_chainId] = TargetedChain(_BridgeFee,_MultiplierForOrb_x100,_MultiplierForNFT_x100,_MultiplierForFunds_x100);

      }
     
     function updateChainMultipliers (uint256 chainId,uint _MultiplierForOrb_x100,uint _MultiplierForNFT_x100,uint _MultiplierForFunds_x100) external onlyRole(BRIDGE_OPERATOR3) {
      TargetedChain storage targetedChain = TargetedChains[chainId];    
      targetedChain.MultiplierForOrb = _MultiplierForOrb_x100;
      targetedChain.MultiplierForNFT = _MultiplierForNFT_x100;
      targetedChain.MultiplierForFunds = _MultiplierForFunds_x100;

  } 

     function updateChainFundFees(uint256  _ChainFunds) external onlyRole(BRIDGE_OPERATOR3) {
        ChainFunds = _ChainFunds;
     }

     function updateChainFees(uint256 chainId,uint256  _ChainFee) external onlyRole(BRIDGE_OPERATOR3) {
      TargetedChain storage targetedChain = TargetedChains[chainId];    
      targetedChain.BridgeFee = _ChainFee;
      
  }
    

    function BridgeTokens (uint256 _targetChainId,address _requester, uint256 _orbAmount, bool _includeChainFunds) nonReentrant payable external {
        require(Orb.balanceOf(msg.sender)>=_orbAmount);
        TargetedChain memory targetedChain = TargetedChains[_targetChainId];
        require(targetedChain.BridgeFee>0 && targetedChain.MultiplierForOrb>0,"chain Not Supported");
        uint256 TotalFees = targetedChain.BridgeFee*targetedChain.MultiplierForOrb/100;
        if (_includeChainFunds) {
            require(targetedChain.MultiplierForFunds>0);
            TotalFees = TotalFees + (targetedChain.BridgeFee*targetedChain.MultiplierForFunds/100);
        }
        require(msg.value >= TotalFees, "not enough fee funds");
 
        xOrb.bridgeBurn(msg.sender, _orbAmount);
        emit BridgeTokensRequested(_targetChainId, _requester,_orbAmount,_includeChainFunds,block.timestamp);
    }
    
    function Initialize_TokenTransaction (uint256 _FromChain, bytes32 TxHash, address payable _requester, uint256 _orbAmount, bool _includeChainFunds)  onlyRole(BRIDGE_OPERATOR1) nonReentrant external {
          OrbTransaction storage orbTransaction = OrbTransactions[TxHash];
          require(!orbTransaction.Executed);
          orbTransaction.requester = _requester;
          orbTransaction.orbAmount = _orbAmount;
          orbTransaction.includeChainFunds = _includeChainFunds;
          emit TransactionInitialized(_FromChain,1,TxHash,block.timestamp);
    }
        
    function Finalize_TokenTransaction (uint256 _FromChain, bytes32 TxHash, address payable _requester, uint256 _orbAmount, bool _includeChainFunds) onlyRole(BRIDGE_OPERATOR2) nonReentrant external {
       OrbTransaction storage orbTransaction = OrbTransactions[TxHash];
       require(   
       !orbTransaction.Executed &&
       orbTransaction.requester == _requester && 
       orbTransaction.orbAmount == _orbAmount && 
       orbTransaction.includeChainFunds == _includeChainFunds
       );

       orbTransaction.Executed = true;
       
       xOrb.bridgeMint(_requester, _orbAmount);
       
       uint256 coinAmount;
       if(_includeChainFunds){
         coinAmount = ChainFunds;
        _requester.transfer(ChainFunds);
       }

       emit BridgeTokensExecuted(_FromChain, _requester, _orbAmount, coinAmount, block.timestamp);

    }
    
    function BridgeMANFT (uint256 _targetChainId,address _requester, uint256 [] memory _ids,uint256 [] memory _idAmounts,bool _includeChainFunds) nonReentrant payable external {
        TargetedChain memory targetedChain = TargetedChains[_targetChainId];
        require(targetedChain.BridgeFee>0 && targetedChain.MultiplierForNFT>0,"chain Not Supported");
        uint256 TotalFees = targetedChain.BridgeFee*targetedChain.MultiplierForNFT/100;
       
        for (uint i=0;i<_ids.length;i++){
            require(_idAmounts[i]>0);    
            require(MAssets.balanceOf(msg.sender,_ids[i]) >= _idAmounts[i]);
              if (i>0){   
                TotalFees = TotalFees + ((targetedChain.BridgeFee*targetedChain.MultiplierForNFT/100)/4);
              }
            }    
        if (_includeChainFunds) {
            require(targetedChain.MultiplierForFunds>0);
            TotalFees = TotalFees + (targetedChain.BridgeFee*targetedChain.MultiplierForFunds/100);
           } 
        require(msg.value >= TotalFees, "not enough fee funds");
        MagicAssets.burnMagicAssetsBanch(msg.sender,_ids,_idAmounts);

        emit BridgeMANFTRequested(_targetChainId, _requester, _ids, _idAmounts, _includeChainFunds, block.timestamp);
        }
    
     function Initialize_MANFTTransaction (uint256 _FromChain,bytes32 TxHash, address payable _requester, uint256 [] memory _ids,uint256 [] memory _idamounts,bool _includeChainFunds)  onlyRole(BRIDGE_OPERATOR1) nonReentrant external {
          NFTMATransaction storage nftTransaction = NFTMATransactions[TxHash];
          require(!nftTransaction.Executed);
          nftTransaction.requester = _requester;
          nftTransaction.includeChainFunds = _includeChainFunds;
          require(_ids.length == _idamounts.length);
          for (uint i = 0; i<_ids.length; i++){

            require(_ids[i]<6);

           _ids[i] == 0 ? nftTransaction.id0 = _idamounts[i] :
           _ids[i] == 1 ? nftTransaction.id1 = _idamounts[i] :
           _ids[i] == 2 ? nftTransaction.id2 = _idamounts[i] :
           _ids[i] == 3 ? nftTransaction.id3 = _idamounts[i] :
           _ids[i] == 4 ? nftTransaction.id4 = _idamounts[i] :
            nftTransaction.id5 = _idamounts[i];

          }

          emit TransactionInitialized(_FromChain,2,TxHash,block.timestamp);
    }

    function Finalize_MANFTTransaction (uint _FromChain,bytes32 TxHash, address payable _requester, uint256 [] memory _ids,uint256 [] memory _idAmounts,bool _includeChainFunds) onlyRole(BRIDGE_OPERATOR2) nonReentrant external {
       NFTMATransaction storage nftTransaction = NFTMATransactions[TxHash];
       require(   
       !nftTransaction.Executed &&
       nftTransaction.requester == _requester && 
       nftTransaction.includeChainFunds == _includeChainFunds
       );
       
       for (uint i = 0; i<_ids.length; i++){

         require(_ids[i]<6);

        _ids[i] == 0 ? require(nftTransaction.id0 == _idAmounts[i]) :
        _ids[i] == 1 ? require(nftTransaction.id1 == _idAmounts[i]) :
        _ids[i] == 2 ? require(nftTransaction.id2 == _idAmounts[i]) :
        _ids[i] == 3 ? require(nftTransaction.id3 == _idAmounts[i]) :
        _ids[i] == 4 ? require(nftTransaction.id4 == _idAmounts[i]) :
        require(nftTransaction.id5 == _idAmounts[i]);  

       }

       nftTransaction.Executed = true;
        
       MagicAssets.mintMagicAssetsBanch(_requester, _ids,_idAmounts);
 
       uint256 coinAmount;

       if(_includeChainFunds){
         coinAmount = ChainFunds;
        _requester.transfer(ChainFunds);
       }

       emit BridgeMANFTExecuted(_FromChain, _requester, _ids, _idAmounts, coinAmount, block.timestamp);

    }
    
    function BridgeEPNFT (uint256 _targetChainId,address _requester, uint256 [] memory _ids,uint256 [] memory _idAmounts,bool _includeChainFunds) nonReentrant payable external {
        TargetedChain memory targetedChain = TargetedChains[_targetChainId];
        require(targetedChain.BridgeFee>0 && targetedChain.MultiplierForNFT>0,"chain Not Supported");
        uint256 TotalFees = targetedChain.BridgeFee*targetedChain.MultiplierForNFT/100;
        
        for (uint i=0;i<_ids.length;i++){
            require(_idAmounts[i]>0);    
            require(EPhoenixes.balanceOf(msg.sender,_ids[i]) >= _idAmounts[i]);
            if (i>0){   
                  TotalFees = TotalFees + ((targetedChain.BridgeFee*targetedChain.MultiplierForNFT/100)/4);
            }
            }    
        if (_includeChainFunds) {
            require(targetedChain.MultiplierForFunds>0);
            TotalFees = TotalFees + (targetedChain.BridgeFee*targetedChain.MultiplierForFunds/100);
        } 
        require(msg.value >= TotalFees, "not enough fee funds");
        ElementalPhoenixes.burnPhoenixBanch(msg.sender,_ids,_idAmounts);

        emit BridgeEPNFTRequested(_targetChainId, _requester, _ids, _idAmounts, _includeChainFunds, block.timestamp);
        }

    function Initialize_EPNFTTransaction (uint256 _FromChain, bytes32 TxHash, address payable _requester, uint256 [] memory _ids,uint256 [] memory _idamounts,bool _includeChainFunds)  onlyRole(BRIDGE_OPERATOR1) nonReentrant external {
          NFTEPTransaction storage nftTransaction = NFTEPTransactions[TxHash];
          require(!nftTransaction.Executed);
          nftTransaction.requester = _requester;
          nftTransaction.includeChainFunds = _includeChainFunds;
          require(_ids.length == _idamounts.length);
          for (uint i = 0; i<_ids.length; i++){

           require(_ids[i]<2);   

           _ids[i] == 0 ? nftTransaction.id0 = _idamounts[i] :
           nftTransaction.id1 = _idamounts[i];

          }

          emit TransactionInitialized(_FromChain,3,TxHash,block.timestamp);
    }

    function Finalize_EPNFTTransaction (uint _FromChain, bytes32 TxHash, address payable _requester, uint256 [] memory _ids,uint256 [] memory _idAmounts,bool _includeChainFunds) onlyRole(BRIDGE_OPERATOR2) nonReentrant external {
       NFTEPTransaction storage nftTransaction = NFTEPTransactions[TxHash];
       require(   
       !nftTransaction.Executed &&
       nftTransaction.requester == _requester && 
       nftTransaction.includeChainFunds == _includeChainFunds
       );
       
       for (uint i = 0; i<_ids.length; i++){
        
         require(_ids[i]<2);  

        _ids[i] == 0 ? require(nftTransaction.id0 == _idAmounts[i]) :
        require(nftTransaction.id1 == _idAmounts[i]);

       }

       nftTransaction.Executed = true;
 
       ElementalPhoenixes.mintPhoenixBanch(_requester, _ids,_idAmounts);

       uint256 coinAmount;

       if(_includeChainFunds){
         coinAmount = ChainFunds;
        _requester.transfer(ChainFunds);
       }

       emit BridgeEPNFTExecuted(_FromChain, _requester, _ids, _idAmounts, coinAmount, block.timestamp);

    }   

    function withdrawCurrency(uint256 Amount) public payable onlyRole(DEFAULT_ADMIN_ROLE) {
       address payable admin = payable(msg.sender);
       admin.transfer(Amount);
    } 
    
    function withdrawRandomToken(address random_Token_Address, uint256 _amount) external onlyRole(DEFAULT_ADMIN_ROLE) {
      require(random_Token_Address != address(Orb), "Can not remove native token");
      IERC20(random_Token_Address).transfer(msg.sender, _amount);
    }
    
}

{
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  },
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}