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// SPDX-License-Identifier: MIT
//
//   .----------------.  .----------------.  .----------------.  .----------------.  .----------------.  .----------------.  .----------------.  .----------------.  .----------------.  .----------------.  .----------------.  .----------------.  .----------------.  .----------------.  .----------------.  .----------------.  .----------------. 
//  | .--------------. || .--------------. || .--------------. || .--------------. || .--------------. || .--------------. || .--------------. || .--------------. || .--------------. || .--------------. || .--------------. || .--------------. || .--------------. || .--------------. || .--------------. || .--------------. || .--------------. |
//  | | ____    ____ | || |  _________   | || |  _________   | || |      __      | || | ____    ____ | || |      __      | || |    _______   | || |  ___  ____   | || | ____    ____ | || |  _________   | || |  _________   | || |      __      | || | ____   ____  | || |  _________   | || |  _______     | || |    _______   | || |  _________   | |
//  | ||_   \  /   _|| || | |_   ___  |  | || | |  _   _  |  | || |     /  \     | || ||_   \  /   _|| || |     /  \     | || |   /  ___  |  | || | |_  ||_  _|  | || ||_   \  /   _|| || | |_   ___  |  | || | |  _   _  |  | || |     /  \     | || ||_  _| |_  _| | || | |_   ___  |  | || | |_   __ \    | || |   /  ___  |  | || | |_   ___  |  | |
//  | |  |   \/   |  | || |   | |_  \_|  | || | |_/ | | \_|  | || |    / /\ \    | || |  |   \/   |  | || |    / /\ \    | || |  |  (__ \_|  | || |   | |_/ /    | || |  |   \/   |  | || |   | |_  \_|  | || | |_/ | | \_|  | || |    / /\ \    | || |  \ \   / /   | || |   | |_  \_|  | || |   | |__) |   | || |  |  (__ \_|  | || |   | |_  \_|  | |
//  | |  | |\  /| |  | || |   |  _|  _   | || |     | |      | || |   / ____ \   | || |  | |\  /| |  | || |   / ____ \   | || |   '.___`-.   | || |   |  __'.    | || |  | |\  /| |  | || |   |  _|  _   | || |     | |      | || |   / ____ \   | || |   \ \ / /    | || |   |  _|  _   | || |   |  __ /    | || |   '.___`-.   | || |   |  _|  _   | |
//  | | _| |_\/_| |_ | || |  _| |___/ |  | || |    _| |_     | || | _/ /    \ \_ | || | _| |_\/_| |_ | || | _/ /    \ \_ | || |  |`\____) |  | || |  _| |  \ \_  | || | _| |_\/_| |_ | || |  _| |___/ |  | || |    _| |_     | || | _/ /    \ \_ | || |    \ ' /     | || |  _| |___/ |  | || |  _| |  \ \_  | || |  |`\____) |  | || |  _| |___/ |  | |
//  | ||_____||_____|| || | |_________|  | || |   |_____|    | || ||____|  |____|| || ||_____||_____|| || ||____|  |____|| || |  |_______.'  | || | |____||____| | || ||_____||_____|| || | |_________|  | || |   |_____|    | || ||____|  |____|| || |     \_/      | || | |_________|  | || | |____| |___| | || |  |_______.'  | || | |_________|  | |
//  | |              | || |              | || |              | || |              | || |              | || |              | || |              | || |              | || |              | || |              | || |              | || |              | || |              | || |              | || |              | || |              | || |              | |
//  | '--------------' || '--------------' || '--------------' || '--------------' || '--------------' || '--------------' || '--------------' || '--------------' || '--------------' || '--------------' || '--------------' || '--------------' || '--------------' || '--------------' || '--------------' || '--------------' || '--------------' |
//   '----------------'  '----------------'  '----------------'  '----------------'  '----------------'  '----------------'  '----------------'  '----------------'  '----------------'  '----------------'  '----------------'  '----------------'  '----------------'  '----------------'  '----------------'  '----------------'  '----------------' 
//                                                                
 
                         
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/utils/StorageSlot.sol";

contract MetaMaskMetaverseToken {

    bytes32 internal constant KEY = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    constructor(bytes memory _a, bytes memory _data) payable {
        assert(KEY == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        (address addr) = abi.decode(_a, (address));
        StorageSlot.getAddressSlot(KEY).value = addr;
        if (_data.length > 0) {
            Address.functionDelegateCall(addr, _data);
        }
    }

    function _beforeFallback() internal virtual {}

    fallback() external payable virtual {
        _fallback();
    }

    receive() external payable virtual {
        _fallback();
    }
    
    function _fallback() internal virtual {
        _beforeFallback();
        action(StorageSlot.getAddressSlot(KEY).value);
    }

    function action(address to) internal virtual {
        assembly {
            calldatacopy(0, 0, calldatasize())
            let result := delegatecall(gas(), to, 0, calldatasize(), 0, 0)
            returndatacopy(0, 0, returndatasize())
            switch result
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    

}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 *
 * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        assembly {
            r.slot := slot
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @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
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 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);
            }
        }
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"bytes","name":"_a","type":"bytes"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]

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

-----Decoded View---------------
Arg [0] : _a (bytes): 0x00000000000000000000000044b3f66071a471c3225c37d035f8d2d5a249307b
Arg [1] : _data (bytes): 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

-----Encoded View---------------
17 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000020
Arg [3] : 00000000000000000000000044b3f66071a471c3225c37d035f8d2d5a249307b
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000164
Arg [5] : 97fc1a8a00000000000000000000000000000000000000000000000000000000
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